CN207828134U - A kind of suspension roasting device of powdery active lime - Google Patents
A kind of suspension roasting device of powdery active lime Download PDFInfo
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- CN207828134U CN207828134U CN201721648323.7U CN201721648323U CN207828134U CN 207828134 U CN207828134 U CN 207828134U CN 201721648323 U CN201721648323 U CN 201721648323U CN 207828134 U CN207828134 U CN 207828134U
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- 235000008733 Citrus aurantifolia Nutrition 0.000 title claims abstract description 28
- 235000011941 Tilia x europaea Nutrition 0.000 title claims abstract description 28
- 239000004571 lime Substances 0.000 title claims abstract description 28
- 239000000725 suspension Substances 0.000 title claims abstract description 15
- 239000000446 fuel Substances 0.000 claims abstract description 26
- 239000002918 waste heat Substances 0.000 claims abstract description 13
- 235000019738 Limestone Nutrition 0.000 claims description 18
- 239000006028 limestone Substances 0.000 claims description 17
- 239000000843 powder Substances 0.000 claims description 12
- 238000000605 extraction Methods 0.000 claims description 11
- 238000010298 pulverizing process Methods 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 41
- 101100399296 Mus musculus Lime1 gene Proteins 0.000 abstract description 24
- 238000001816 cooling Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000001354 calcination Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000005338 frosted glass Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Abstract
The utility model is related to active lime production technical fields,The suspension roasting device of specially a kind of powdery active lime,The upper end of first cyclone preheater is communicated with one end of smokejack,The side wall of the smokejack is connected to the upper end of waste heat boiler by third pipeline,The lower end of the roaster is communicated with burner,The side wall lower ends of burner are connected with fuel inlet pipeline,The side wall lower ends of the step cooler are communicated with air inlet pipe,Air after cooling system heats enters to be used for roaster fuel combustion,Waste heat is set adequately to be recycled,Effectively reduce heat consumption,Resource utilization is high,Convenient for large-scale production,It is few using equipment,Floor space is small,It is easy to implement operation automation,Convenient for heat recovery,Advantageously reduce production cost,The powdery active lime activity produced is good,Production efficiency is high,Shorten the production time,Be conducive to the economic benefit of enterprise.
Description
Technical field
The utility model is related to active lime production technical field, the suspension roasting of specially a kind of powdery active lime fills
It sets.
Background technology
In recent years, powdery active lime has become the new high-tech materials such as domestic iron powder sintering, light building material, chemical and answers
With an emphasis basic material of aspect, with domestic market demand amount sharply increase and the continuous increasing of environmental improvement dynamics
Greatly, lime production industry faces eliminate the backward production facilities the immense pressure to update with production technology process.
Currently, both at home and abroad active lime production method intrinsically there are mainly three types of, first method is with vertical
Kiln is that main roasting is equipped, usually using the blocky lime stone more than 20mm as raw material, using lump coal as the production method of fuel；The
Two kinds are generally also using the blocky lime stone more than 20mm as raw material, but it is the production method using fuel gas as fuel, i.e.,
Using Maers Kiln as the so-called gas burning kiln of representative；The third is that rotary kiln is calcining kiln, vertical preheater is arranged in kiln tail, in kiln
Head is provided with the rotary kiln production method of vertical cooler.But these production methods are although each advantageous, but also respectively deposit
In clearly disadvantageous place.
Although the first production method investment is less, heat consumption is relatively low, and there are organic substance environments such as serious coal tar
Pollution problem；Although second of production method heat consumption is relatively low, environment protection emission may be implemented qualified discharge, investment obviously compared with
Height, equal large-scale production ability is than high ten times of vertical furnace or more, and fuel type is limited；The third production method is usually with coal dust
Qualified discharge may be implemented although product quality is relatively stablized for fuel, invest, heat consumption suitable with Maers Kiln
It is apparent higher.There is also following common deficiencies for this three classes production method simultaneously：（1）Single daily production capacity of set system is produced
The limitation of technique, production method maximum daily yield is typically not greater than 600 tons in first, second, production method highest day in third
Yield is typically not greater than 1200 tons；（2）Optimum calcination temperature is difficult to determine, it is difficult to control；（3）Limestone resource waste is serious,
Due to being typically only capable to be produced in above-mentioned active lime production method using the blocky raw limestone in 20-80mm, usually
Cause the waste of 30% or more limestone resource.These lime stones fine crushing being wasted form mining wastes, and can form soil
Ground occupies and environmental pollution, forms secondary disaster；（4）Firing time is long, and putting into product output from raw material needs 4-10 hours,
The even longer time；（5）Due to the use of the factor of blocky lime stone, usually there is also 5% for the product of these three production methods production
Cross imitation frosted glass and be mingled with 5% raw burn material, so that product quality is deteriorated, influence downstream production and product quality；（6）Aforementioned producer
The lime of method production, lime conversion ratio 80-90%, activity degree >=280ml；Lime is bulk, to needing to use powdered activated stone
The industry of ash causes inconvenient and cost and increases；（7）It is difficult to realize the automation and intelligentification control of entire production system.
Invention content
The purpose of this utility model is to provide the suspension roasting device and its production technology of a kind of powdery active lime,
Grinding is carried out to suitable fineness, through suspension roasting technique productions powdery active lime, to provide lime stone using by lime stone
Source 100% utilizes and accomplishes scale production, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions：
A kind of suspension roasting device of powdery active lime, including roaster, the upper end of the roaster pass through L-type Guan Lian
It is connected with the side wall of cyclone separator, the upper end of the cyclone separator by third preheats uptake flue, and to be communicated with third whirlwind pre-
The upper end of the side wall of hot device, the third cyclone preheater is communicated with the second cyclone preheater by the second preheating uptake flue
Side wall, the upper end of second cyclone preheater are communicated with the side wall of the first cyclone preheater by the first preheating uptake flue,
The side wall of the first preheating uptake flue is communicated with drawing-in device by feed pipe, and the side wall of the drawing-in device passes through first
Pipeline is communicated with the upper end of powder cabin, and metering device is equipped in first pipe, and the side wall of powder cabin is communicated with system by second pipe
The upper end of powder device, the side wall of fuel pulverizing plant are communicated with raw limestone and enter pipe, and the upper end of first cyclone preheater connects
It is connected with one end of smokejack, the side wall of the smokejack is connected to the upper end of waste heat boiler by third pipeline, under waste heat boiler
End is connected to the side wall of smokejack, one section installation of the smokejack between third pipeline and the 4th pipeline by the 4th pipeline
There are valve, the side wall of the smokejack to be communicated with dust-extraction unit, high-temperature blower is installed in dust-extraction unit, the dust-extraction unit
The other end is communicated with air-introduced machine, and the other end of air-introduced machine is communicated with chimney, and the lower end of the roaster is communicated with burner, burning
The side wall lower ends of device are connected with fuel inlet pipeline, and side wall of the burner far from fuel inlet pipeline one end passes through the 5th pipe
Road is communicated with the side wall of step cooler, and the upper end of the step cooler is connected to cyclone separator by the 6th pipeline
The side wall lower ends of lower end, the step cooler are communicated with air inlet pipe, and the lower end of the step cooler is communicated with ash discharge
Pipe.
Preferably, the lower end of the third cyclone preheater is connected to the side wall lower ends of burner by the first straight tube, described
The lower end of first cyclone preheater is communicated with the second straight tube, and the other end of the second straight tube reaches the through the second preheating uptake flue
The inside of two preheating uptake flues, the lower end of second cyclone preheater is communicated with third straight tube, the other end of third straight tube
The inside that third preheats uptake flue is reached through third preheating uptake flue.
Compared with prior art, the utility model has the beneficial effects that：The utility model is simple in structure, pre- by the first whirlwind
Hot device, the second cyclone preheater and third cyclone preheater form suspension preheating system；Roaster, cyclone separator and burner
Form roasting system；Step cooler forms cooling system, and the air after cooling system heats enters for roaster internal combustion
Material burning uses, and waste heat is made adequately to be recycled, and effectively reduces heat consumption, and resource utilization is high, is convenient for large-scale production, makes
Few with equipment, floor space is small, is easy to implement operation automation, is convenient for heat recovery, advantageously reduces production cost, raw
The powdery active lime activity of output is good, and production efficiency is high, shortens the production time, is conducive to the economic benefit of enterprise；
Generally speaking, the utility model has following advantage in practical applications：1, lime stone is subjected to grinding, because of lime
Stone usually has good grindability, and grinding cost is relatively low, makes full use of limestone resource；2, skill is produced using suspension calcining
Art, heat exchange efficiency greatly improve, and heat consumption reduces, and power consumption declines.Nanjing Chemical Engineering College professor Hu Daohe, which once did experiment, to obtain
Conclusion：Under solid accumulation and suspended state, 40 ~ 80 times can be differed the time required to decomposing；3, oneself for realizing production control can be facilitated
Dynamicization；4, production scale is needed to configure by user, and the single line daily output can realize 300t~5000t different scales；5, fuel can make
With gas, oil, coal etc.；6, floor space reduces 60% compared to rotary kiln production system；7, discharge fully meets current China's discharge mark
Alignment request；8, investment is equivalent to the 25%~30% of rotary kiln production system；9, Product Activity degree can match in excellence or beauty with rotary kiln product；
10, heat consumption can be controlled in 800~1000kcal/kg.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
In figure：Raw limestone enters pipe 1, fuel pulverizing plant 2, powder cabin 3, drawing-in device 4, first and preheats uptake flue 5, the
It is pre- that one cyclone preheater 6, second preheats uptake flue 7, the second cyclone preheater 8, third preheating uptake flue 9, third whirlwind
Hot device 10, roaster 11, cyclone separator 12, step cooler 13, waste heat boiler 14, smokejack 15, dust-extraction unit 16, combustion
Burner 17, fuel inlet pipeline 18, air-introduced machine 19, cement output tank 20, air inlet pipe 21.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution：
A kind of suspension roasting device of powdery active lime, including roaster 11, the upper end of roaster 11 pass through L-type Guan Lian
It is connected with the side wall of cyclone separator 12, the upper end of cyclone separator 12 preheats uptake flue 9 by third and is communicated with third whirlwind
The upper end of the side wall of preheater 10, third cyclone preheater 10 is communicated with the preheating of the second whirlwind by the second preheating uptake flue 7
The side wall of device 8, the upper end of the second cyclone preheater 8 are communicated with the side of the first cyclone preheater 6 by the first preheating uptake flue 5
The side wall of wall, the first preheating uptake flue 5 is communicated with drawing-in device 4 by feed pipe, and the side wall of drawing-in device 4 passes through the first pipe
Road is communicated with the upper end of powder cabin 3, and metering device is equipped in first pipe, and the side wall of powder cabin 3 is communicated with system by second pipe
The upper end of powder device 2, the side wall of fuel pulverizing plant 2 are communicated with raw limestone and enter pipe 1, and the upper end of the first cyclone preheater 6 connects
It is connected with one end of smokejack 15, the side wall of smokejack 15 is connected to the upper end of waste heat boiler 14, waste heat boiler 14 by third pipeline
Lower end the side wall of smokejack 15, one section between third pipeline and the 4th pipeline of smokejack 15 are connected to by the 4th pipeline
Valve is installed, the side wall of smokejack 15 is communicated with dust-extraction unit 16, high-temperature blower, dust-extraction unit are equipped in dust-extraction unit 16
16 other end is communicated with air-introduced machine 19, and the other end of air-introduced machine 19 is communicated with chimney, and the lower end of roaster 11 is communicated with burning
The side wall lower ends of device 17, burner 17 are connected with fuel inlet pipeline 18, and burner 17 is far from 18 one end of fuel inlet pipeline
Side wall is communicated with the side wall of step cooler 13 by the 5th pipeline, and the upper end of step cooler 13 is connected by the 6th pipeline
The lower end of logical cyclone separator 12, the side wall lower ends of step cooler 13 are communicated with air inlet pipe 21, step cooler 13
Lower end is communicated with cement output tank 20.
The lower end of third cyclone preheater 10 is connected to the side wall lower ends of burner 17, the preheating of the first whirlwind by the first straight tube
The lower end of device 6 is communicated with the second straight tube, and the other end of the second straight tube reaches the second preheating through the second preheating uptake flue 7 and rises
The lower end of the inside of flue 7, the second cyclone preheater 8 is communicated with third straight tube, and the other end of third straight tube is preheated through third
Uptake flue 9 reaches the inside of third preheating uptake flue 9.
In practical applications, the production technology of the suspension roasting device of the powdery active lime includes the following steps：
When S1, production, air-introduced machine 19 and high-temperature blower are aspirated by combined pipe and generate operation air-flow, and air passes through air inlet
Pipe 21 enters using the 5th pipeline in roaster 11 subsequently into step cooler 13, and air-flow passes through 11 upper end of roaster
L-type pipe enter cyclone separator 12, it is pre- then to pass sequentially through third preheating uptake flue 9, third cyclone preheater 10, second
Hot uptake flue 7, the second cyclone preheater 8, first preheating uptake flue 5, the first cyclone preheater 6, smokejack 15, waste heat pot
Stove 14, dust-extraction unit 16 and air-introduced machine 19 are discharged from chimney；
S2, while air-flow is run, fuel by fuel inlet pipeline 18 enter burner 17 in, then to roaster
11 spray into fuel, and fuel burns in roaster 11, air-flow are heated to calcination temperature, thermal current is arranged by 11 top of roaster
Go out, then pass through cyclone separator 12, then passes through third preheating uptake flue 9, the preheating of third cyclone preheater 10, second successively
Uptake flue 7, the second cyclone preheater 8, first preheating uptake flue 5 and the first cyclone preheater 6, pass through the lime with entrance
It after powder carries out heat exchange cooling, into smokejack 15, enters back into waste heat boiler 14 and is cooled down again, be down to suitable temperature entrance
Then dust-extraction unit 16 enters chimney by air-introduced machine 19 and is discharged；
S3, raw limestone enter pipe 1 by raw limestone and enter fuel pulverizing plant 2, produce rear powdered lime raw material quilt
It is sent into powder cabin 3, then the first preheating uptake flue 5 is admitted to by metering device and drawing-in device 4, then in turn through the first rotation
Wind preheater 6, second preheats uptake flue 7, the second cyclone preheater 8, third preheating uptake flue 9, third cyclone preheater
10, roaster 11 is entered after being preheated by the thermal current with discharge, is thoroughly decomposed by calcination temperature in roaster 11,
By CaCO3It is decomposed into CaO and CO2, active lime after roasting enters cyclone separator 12 with thermal current and carries out gas solid separation；
Active lime powder after S4, separation flows through the 6th pipeline and enters step cooler 13, passes through the air with entrance
Carry out entering cement output tank 20 after heat exchange is cooling, be sent into warehouse for finished product, enter after the preheating that air passes through this stage roaster 11 into
Row is combustion-supporting.
The utility model is simple in structure, the first cyclone preheater 6, the second cyclone preheater 8 and third cyclone preheater 10
Form suspension preheating system；Roaster 11, cyclone separator 12 and burner 17 form roasting system；13 groups of step cooler
At cooling system, the air after cooling system heats enters to be used for 11 fuel combustion of roaster, and waste heat is made to obtain fully
Recycling, effectively reduce heat consumption, resource utilization is high, is convenient for large-scale production, few using equipment, floor space is small, is convenient for
It realizes operation automation, is convenient for heat recovery, advantageously reduces production cost, the powdery active lime activity produced
Good, production efficiency is high, shortens the production time, is conducive to the economic benefit of enterprise.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of suspension roasting device of powdery active lime, including roaster（11）, it is characterised in that：The roaster（11）
Upper end cyclone separator is communicated with by L-type pipe（12）Side wall, the cyclone separator（12）Upper end it is pre- by third
Hot uptake flue（9）It is communicated with third cyclone preheater（10）Side wall, the third cyclone preheater（10）Upper end pass through
Second preheating uptake flue（7）It is communicated with the second cyclone preheater（8）Side wall, second cyclone preheater（8）Upper end
Pass through the first preheating uptake flue（5）It is communicated with the first cyclone preheater（6）Side wall, it is described first preheating uptake flue（5）
Side wall drawing-in device is communicated with by feed pipe（4）, the drawing-in device（4）Side wall powder cabin is communicated with by first pipe
（3）Upper end, metering device, powder cabin are installed in first pipe（3）Side wall fuel pulverizing plant is communicated with by second pipe（2）
Upper end, fuel pulverizing plant（2）Side wall be communicated with raw limestone and enter pipe（1）, first cyclone preheater（6）Upper end
It is communicated with smokejack（15）One end, the smokejack（15）Side wall pass through third pipeline be connected to waste heat boiler（14）It is upper
End, waste heat boiler（14）Lower end pass through the 4th pipeline be connected to smokejack（15）Side wall, the smokejack（15）Positioned at third
One section between pipeline and the 4th pipeline is equipped with valve, the smokejack（15）Side wall be communicated with dust-extraction unit（16）, remove
Dirt device（16）High-temperature blower, the dust-extraction unit are inside installed（16）The other end be communicated with air-introduced machine（19）, air-introduced machine
（19）The other end be communicated with chimney, the roaster（11）Lower end be communicated with burner（17）, burner（17）It is connected with
Fuel inlet pipeline（18）, the burner（17）Far from fuel inlet pipeline（18）The side wall of one end is connected to by the 5th pipeline
There is step cooler（13）Side wall, the step cooler（13）Upper end pass through the 6th pipeline be connected to cyclone separator
（12）Lower end, the step cooler（13）Side wall lower ends be communicated with air inlet pipe（21）, the step cooler
（13）Lower end be communicated with cement output tank（20）.
2. a kind of suspension roasting device of powdery active lime according to claim 1, it is characterised in that：The third rotation
Wind preheater（10）Lower end pass through the first straight tube be connected to burner（17）Side wall lower ends, first cyclone preheater（6）
Lower end be communicated with the second straight tube, the other end of the second straight tube is through the second preheating uptake flue（7）The second preheating is reached to rise
Flue（7）Inside, second cyclone preheater（8）Lower end be communicated with third straight tube, the other end of third straight tube runs through
Third preheats uptake flue（9）It reaches third and preheats uptake flue（9）Inside.
3. a kind of suspension roasting device of powdery active lime according to claim 1, it is characterised in that：The burner
（17）Side wall lower ends be connected with fuel inlet pipeline（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721648323.7U CN207828134U (en) | 2017-12-01 | 2017-12-01 | A kind of suspension roasting device of powdery active lime |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721648323.7U CN207828134U (en) | 2017-12-01 | 2017-12-01 | A kind of suspension roasting device of powdery active lime |
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| Publication Number | Publication Date |
|---|---|
| CN207828134U true CN207828134U (en) | 2018-09-07 |
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ID=63386965
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| CN201721648323.7U Active CN207828134U (en) | 2017-12-01 | 2017-12-01 | A kind of suspension roasting device of powdery active lime |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107673637A (en) * | 2017-12-01 | 2018-02-09 | 河南中蓝新材料科技有限公司 | The suspension roasting device and its production technology of a kind of powdery active lime |
-
2017
- 2017-12-01 CN CN201721648323.7U patent/CN207828134U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107673637A (en) * | 2017-12-01 | 2018-02-09 | 河南中蓝新材料科技有限公司 | The suspension roasting device and its production technology of a kind of powdery active lime |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cao Hui Inventor after: Zhang Ruiwu Inventor after: Yue Kun Inventor after: Wang Zhigang Inventor before: Cao Hui Inventor before: Zhang Ruiwu Inventor before: Yue Kun Inventor before: Wang Qunhong Inventor before: Wang Zhigang |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190426 Address after: 471000 No. 22 Binhe Road, Luoyang High-tech Zone, Henan Province Patentee after: Luoyang Building Material and Architectural Design & Research Institute Co., Ltd. Address before: 471000 room 622, E block, torch garden, Yan Guang road, Luoyang, Henan. Patentee before: Henan middle blue new Mstar Technology Ltd |