CN101382381A - Rectifying multi-chamber calcining vertical kiln - Google Patents
Rectifying multi-chamber calcining vertical kiln Download PDFInfo
- Publication number
- CN101382381A CN101382381A CNA200810228188XA CN200810228188A CN101382381A CN 101382381 A CN101382381 A CN 101382381A CN A200810228188X A CNA200810228188X A CN A200810228188XA CN 200810228188 A CN200810228188 A CN 200810228188A CN 101382381 A CN101382381 A CN 101382381A
- Authority
- CN
- China
- Prior art keywords
- section
- independent
- calcining
- chamber
- therewith
- 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.)
- Pending
Links
Images
Landscapes
- Furnace Details (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The invention relates to the technical field of a shaft kiln which is roasted by lime, calcined dolomite and bauxite, in particular to a rectifying multi-chamber roasting shaft kiln, comprising a shaft kiln shell, a feed pipe, a warm-air pipe, an exhaust duct, a discharge mechanism, a centralized equalized bin, a plurality of independent feed pipes, a plurality of independent calcining compartments, a centralized multipoint cooling heat exchanger, a central combustion chamber and an air-feeding device. The independent calcining compartment consists of a pre-heating section provided with a smoke exhaust pipe, a decompostion section, an external flue used for revolving flow of flue gas, a curing section and a discharging device; the upper part of the decomposition section is provided with an X-typed material channel, the center of the top part of the independent feed pipe is provided with a feeder, and the independent feed pipe is externally provided with a rod valve and internally provided with a special-shaped cover type distributing controller. The decomposition section is provided with the warm-air pipe which is used for the feeding and discharging of the flue gas and provided with an inverted-V shape section, and the central combustion chamber adopts a multiple flow section spraying burner with low NOx and low temperature. The rectifying multi-chamber roasting shaft kiln solves the reasonable thermal regulation of the whole process of the shaft kiln and ensures the reasonable heat exchanging; and the quality of the product is uniform and guaranteed.
Description
Technical field
The present invention relates to lime, forge shaft furnace technical field white, the bauxite calcining, particularly relate to a kind of rectifying multi-chamber calcining vertical kiln.
Background technology
The thermal characteristics of lime calcining shows, calcining initial stage lime stone, forge white, bauxite and decompose and need to absorb a large amount of heat, along with lime stone, forge progressively decomposition white, bauxite, the corresponding reduction of the heat of required absorption, and must significantly reducing in order to avoid the material burning at calcining ending heat absorption rate.This comparatively desirable heating cycle is not possessing in the shaft furnace usually, and it is reasonably to help heat exchange that the omnidistance adverse current mode of heating of traditional shaft furnace has only under preheating section and the cooling section state.The initial stage caloric receptivity is big, ending requires to have a narrow range of temperature and reduce heat absorption in order to avoid burning and calcining section has, and this is just needing high-temperature flue gas that material following current heating is just met technology mechanism.
Summary of the invention
The objective of the invention is to be to provide a kind of equal feed bin of concentrating, the rectifying multi-chamber calcining vertical kiln that is provided with independent calcining compartment of a plurality of independent calcining compartment combinations.
The objective of the invention is to realize by following technical proposals.
Rectifying multi-chamber calcining vertical kiln of the present invention, comprise shaft furnace shell, feed pipe, warm-air pipe, exhaust duct, discharging mechanism, it is characterized in that comprising that is concentrated an equal feed bin, the a plurality of independent feed pipe that concentrated therewith equal feed bin is connected, the a plurality of independent calcining compartment that a plurality of therewith independent feed pipes are connected, a concentrated multi-point cooling heat exchanger being connected through funnel of the discharging opening of a plurality of independent calcining compartments therewith, a central combustion chamber that is connected by a plurality of therewith independent calcining compartments in thermal chimney road, the air-supply arrangement that is connected of central combustion chamber therewith.
Described independent calcining compartment is by the preheating section that is provided with smoke exhaust pipe that is connected with described independent feed pipe, the decomposition section that is connected of preheating section therewith, the flue gas that is located at this decomposition section streams uses external flue, decompose the maintenance section that section is connected therewith, be located at the device for discharging of this maintenance section bottom, this maintenance section is connected with described concentrated multi-point cooling heat exchanger through funnel.
Described decomposition section top is provided with X type material channel, the X type passage of this X type passage for being made up of contraction section-trunnion section-expansion segment.
Described independent feed pipe is positioned at independent calcining compartment center of top and is provided with feeder, and independent feed pipe is provided with excellent valve outdoor, and independent feed pipe is provided with special-shaped bell-type cloth control device indoor.
Described device for discharging adopts the frequency and the adjustable horizontal material-pulling device of rise of bottom large tracts of land discharging.
Enter and discharge warm-air pipe at the described flue gas that is provided with the ∧ tee section in the section that decomposes, in described preheating section, be provided with the ∧ tee section flue gas enter warm-air pipe.
Described central combustion chamber adopts low NO
x, low temperature multithread thigh atomizer burner.
The smoke exhaust pipe of described each independent calcining compartment is connected with a smoke evacuation house steward.
Adopt rectifying multi-chamber calcining vertical kiln of the present invention, material is heated with cooling procedure and is: preheating section is the adverse current heating, decomposes section and is the following current heating, and cooling section is the adverse current cooling.Solved the reasonable thermal regulation of shaft furnace whole process.Guaranteed that heat exchange is reasonable, uniform in quality and obtained guarantee.
The independent calcining compartment that the present invention adopts has independent feeding, smoke evacuation and device for discharging, and the heat engineering state single chamber is controlled, and exhaust gas temperature is controlled, and the autonomous system air quantity is adjustable, and is provided with X type material channel in decomposing section.
A described central combustion chamber, a concentrated cooler scheme.Simplify the structure.Material is heated evenly, and flue gas streams uses the external flue water conservancy diversion.Avoid material directly to contact and adapt to pluralities of fuel with flame.Flue-gas temperature control guarantees that the flue gas of optimal temperature enters the kiln thorax flexibly.
A described center calcining compartment has the ability of suitable pluralities of fuel.
Top of the present invention is provided with concentrates the equal feed bin that uses.Distribute to each chamber with passage, guarantee respectively to manage material feeding evenly not segregation and sealing.
The present invention adopts the flat material of resisting of bottom large tracts of land, guarantees the whole no dead band that evenly descends of material.
The present invention adopts the stock column sealing of top, chamber.
The present invention adopts low NO
x, low temperature multithread section atomizer burner, the control flame temperature reduces NO between 1150 ℃～1250 ℃ and excess air
xFormation and discharging.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Further specify the specific embodiment of the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, rectifying multi-chamber calcining vertical kiln of the present invention, comprise shaft furnace shell 2, feed pipe, warm-air pipe, exhaust duct, discharging mechanism 9, it is characterized in that comprising that is concentrated an equal feed bin 1, the a plurality of independent feed pipe 7 that concentrated therewith equal feed bin 1 is connected, the a plurality of independent calcining compartment 2 that a plurality of therewith independent feed pipes 7 are connected, the concentrated multi-point cooling heat exchanger 5 that the discharging opening of a plurality of therewith independent calcining compartments 2 is connected through funnel 13, a central combustion chamber 4 that is connected by a plurality of therewith independent calcining compartments 2 in thermal chimney road, the air-supply arrangement that is connected of central combustion chamber 4 therewith.
Described a plurality of independent calcining compartment 2 is by the preheating section that is provided with smoke exhaust pipe 83 that is connected with described independent feed pipe 7, the decomposition section 6 that is connected of preheating section 3 therewith, being located at this flue gas that decomposes section 6 streams with external flue 12, decompose the section 6 maintenance sections that are connected therewith, be located at the device for discharging 9 of this maintenance section bottom, this maintenance section is connected with described concentrated multi-point cooling heat exchanger 5.
Described decomposition section 6 tops are provided with X type material channel 10, the X type passage of this X type path 10 for being made up of contraction section-trunnion section-expansion segment.
Described independent feed pipe 7 is distributed in independent calcining compartment 2 center of top, and independent feed pipe is provided with excellent valve outdoor, and independent feed pipe is provided with special-shaped bell-type cloth control device 11 indoor.
Described device for discharging 9 adopts the frequency and the adjustable horizontal material-pulling device of rise of bottom large tracts of land discharging, and material is pushed central funnel 13.
Enter and discharge warm-air pipe at the described flue gas that is provided with the ∧ tee section in the section 6 that decomposes, in described preheating section, be provided with the ∧ tee section flue gas enter warm-air pipe.
Described central combustion chamber 4 adopts low NO
x, low temperature multithread thigh atomizer burner.
The smoke exhaust pipe 8 of described each independent calcining compartment is connected with a smoke evacuation house steward.
The present invention adopts one to concentrate equal feed bin 1, shaft furnace shell 2, a plurality of independent calcining compartment 3 combinations, 4, one concentrated multi-point cooling heat exchanger 5 schemes in combustion chamber, center.Simplify the structure.Material is heated evenly, and flue gas streams with external flue 14 water conservancy diversion.
The independent calcining compartment that the present invention adopts has independent feed pipe 7, smoke exhaust pipe 8 and device for discharging 9, and the heat engineering state single chamber is controlled, and exhaust gas temperature is controlled, and the autonomous system air quantity is adjustable, and is provided with X type material channel 10 on decomposition section top.
The independent feed pipe 7 of the independent calcining compartment that the present invention adopts is provided with excellent valve outdoor, and indoor to be provided with the control stock column even, prevents the special-shaped material controlling cover of segregation.Spout is positioned at top, chamber central authorities.
Top of the present invention is provided with concentrates the equal feed bin 1 that uses.Distribute to each chamber with independent feed pipe 7 through the abnormity cover, guarantee each evenly not segregation of chamber material feeding.
The present invention adopts bottom large tracts of land discharging, is to be finished by frequency and the adjustable horizontal material-pulling device 9 of rise, guarantees the whole no dead band that evenly descends of material.
The present invention adopts the stock column sealing of top, chamber.
The present invention adopts central combustion chamber 4.Avoid material directly to contact and adapt to pluralities of fuel with flame.Flue-gas temperature control guarantees that the flue gas of optimal temperature enters the kiln thorax flexibly.
The present invention's section of decomposition flue gas enter and the flue gas of discharge and preheating section enters and 12 measures of ∧ tee section warm-air pipe are all adopted in the centre.
The present invention adopts low NO
x, low temperature multithread thigh atomizer burner, the control flame temperature reduces NO between 1150 ℃～1250 ℃ and excess air
xFormation and discharging.
The smoke evacuation of each chamber smoke exhaust pipe of the present invention all concentrates on house steward and focuses on.
Claims (8)
1, a kind of rectifying multi-chamber calcining vertical kiln, comprise shaft furnace shell, feed pipe, warm-air pipe, exhaust duct, discharging mechanism, it is characterized in that comprising that is concentrated an equal feed bin, the a plurality of independent feed pipe that concentrated therewith equal feed bin is connected, the a plurality of independent calcining compartment that a plurality of therewith independent feed pipes are connected, a concentrated multi-point cooling heat exchanger being connected through funnel of the discharging opening of a plurality of independent calcining compartments therewith, a central combustion chamber that is connected by a plurality of therewith independent calcining compartments in thermal chimney road, the air-supply arrangement that is connected of central combustion chamber therewith.
2, rectifying multi-chamber calcining vertical kiln according to claim 1, it is characterized in that described independent calcining compartment is by the preheating section that is provided with smoke exhaust pipe that is connected with described independent feed pipe, the decomposition section that is connected of preheating section therewith, the flue gas that is located at this decomposition section streams uses external flue, decompose the maintenance section that section is connected therewith, be located at the device for discharging of this maintenance section bottom, this maintenance section is connected through funnel with described concentrated multi-point cooling heat exchanger.
3, rectifying multi-chamber calcining vertical kiln according to claim 1 is characterized in that described decomposition section top is provided with X type material channel, the X type passage of this X type passage for being made up of contraction section-trunnion section-expansion segment.
4, rectifying multi-chamber calcining vertical kiln according to claim 1 is characterized in that described independent feed pipe is distributed in independent calcining compartment center of top, and independent feed pipe is provided with excellent valve outdoor, and independent feed pipe is provided with special-shaped bell-type cloth control device indoor.
5, rectifying multi-chamber calcining vertical kiln according to claim 2 is characterized in that described device for discharging adopts the frequency and the adjustable horizontal material-pulling device of rise of bottom large tracts of land discharging.
6, rectifying multi-chamber calcining vertical kiln according to claim 2 is characterized in that entering and discharge warm-air pipe at the described flue gas that is provided with the ∧ tee section in the section that decomposes, in described preheating section, be provided with the ∧ tee section flue gas enter warm-air pipe.
7, rectifying multi-chamber calcining vertical kiln according to claim 1 is characterized in that described central combustion chamber adopts low NO
x, low temperature multithread thigh atomizer burner.
8, rectifying multi-chamber calcining vertical kiln according to claim 2 is characterized in that the smoke exhaust pipe of described each independent calcining compartment is connected with a smoke evacuation house steward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810228188XA CN101382381A (en) | 2008-10-21 | 2008-10-21 | Rectifying multi-chamber calcining vertical kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810228188XA CN101382381A (en) | 2008-10-21 | 2008-10-21 | Rectifying multi-chamber calcining vertical kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101382381A true CN101382381A (en) | 2009-03-11 |
Family
ID=40462348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200810228188XA Pending CN101382381A (en) | 2008-10-21 | 2008-10-21 | Rectifying multi-chamber calcining vertical kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101382381A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052826A (en) * | 2010-12-23 | 2011-05-11 | 马全才 | Energy-efficient shaft kiln |
| CN102374769A (en) * | 2011-09-30 | 2012-03-14 | 鞍山市华杰建材技术开发有限公司 | Calcinating shaft kiln comprehensively utilizing heat energy unit temperature field |
| CN106045346B (en) * | 2016-08-10 | 2018-11-16 | 李鑫 | A kind of porous internal combustion type shaft furnace |
| CN108818886A (en) * | 2018-07-16 | 2018-11-16 | 西南科技大学 | Travertine prefabricated component preparation facilities |
-
2008
- 2008-10-21 CN CNA200810228188XA patent/CN101382381A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052826A (en) * | 2010-12-23 | 2011-05-11 | 马全才 | Energy-efficient shaft kiln |
| CN102374769A (en) * | 2011-09-30 | 2012-03-14 | 鞍山市华杰建材技术开发有限公司 | Calcinating shaft kiln comprehensively utilizing heat energy unit temperature field |
| CN106045346B (en) * | 2016-08-10 | 2018-11-16 | 李鑫 | A kind of porous internal combustion type shaft furnace |
| CN108818886A (en) * | 2018-07-16 | 2018-11-16 | 西南科技大学 | Travertine prefabricated component preparation facilities |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102875036B (en) | Heat storage type lime rotary kiln | |
| CN102517042B (en) | Method for heating coke oven capable of controlling multistage combustion | |
| CN104058606B (en) | Oxygen-enriched combusting produces the method and apparatus of lime | |
| CN101863627B (en) | Double-beam lime kiln | |
| CN101857383A (en) | Beam limekiln | |
| CN113267053B (en) | System and method for producing cement clinker by using full-oxygen combustion circulation preheating | |
| CN102268266A (en) | Controllable multi-section-combustion heating molded coke oven | |
| CN106440811B (en) | A kind of sintering ignition device and ignition method | |
| CN102001837A (en) | Method and device for calcining materials by using low calorific value fuel | |
| CN101382381A (en) | Rectifying multi-chamber calcining vertical kiln | |
| CN111908811B (en) | Double-hearth kiln burning low-calorific-value fuel | |
| CN202116492U (en) | Controllable multi-section combustion heating type coke oven | |
| CN101984319A (en) | Energy-saving and efficiency-improvement double-temperature-field rotary kiln system | |
| CN201293539Y (en) | Rectifying multi-chamber calcining vertical kiln | |
| CN102031125A (en) | Coking method and coke oven for efficiently recycling heat of exhaust gas | |
| CN201155919Y (en) | Cement rotary kiln using coal gas as fuel | |
| CN203947032U (en) | Oxygen-enriched combusting is produced the device of lime | |
| CN201885553U (en) | Energy-saving efficiency-improving rotary kiln with double temperature fields | |
| CN202253765U (en) | Efficient clean-type coal circulatory combustion direct gasification oven | |
| CN106352324B (en) | A kind of biomass combustion furnace | |
| CN102351442B (en) | Method for material calcination and limekiln device | |
| CN204401072U (en) | Continous way bar plate heating stove | |
| CN203403121U (en) | Device for achieving high blast temperature by virtue of low calorific value coal gas and high temperature combustion-supporting air | |
| CN109851239A (en) | A kind of premixed combustion having central gas flow channel and concurrent-countercurrent Bidirectional heating limekiln | |
| CN205119778U (en) | Two roof beam shaft kilns of external burning heat accumulation formula |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090311 |