CN202149683U - Sleeve type gas-burning shaft kiln - Google Patents
Sleeve type gas-burning shaft kiln Download PDFInfo
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- CN202149683U CN202149683U CN201120194903U CN201120194903U CN202149683U CN 202149683 U CN202149683 U CN 202149683U CN 201120194903 U CN201120194903 U CN 201120194903U CN 201120194903 U CN201120194903 U CN 201120194903U CN 202149683 U CN202149683 U CN 202149683U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
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Abstract
The utility model discloses a sleeve type gas-burning shaft kiln, an annular furnace chamber is arranged outside an inner sleeve body and an outer sleeve body in surrounding mode in a kiln body, and the inner sleeve body and the outer sleeve body are sleeved together. A plurality of air vents communicated with the annular furnace chamber and an inner cavity of the inner sleeve body are arranged on a sleeve wall of the inner sleeve body. A preheating area, a calcination area and a cooling area are arranged on the annular furnace chamber from the top to the bottom sequentially. A barrel-shaped furnace shell is further covered on the periphery of the outer sleeve body. A peripheral air channel is arranged between the inner wall face of the barrel-shaped shell and the outer wall face of the outer sleeve body. Air vents communicating the annular furnace chamber and the peripheral air channel are distributed on the sleeve wall of the outer sleeve body. Radial partition structures for driving air flow in the kiln body to penetrate through the annular furnace chamber to enter the inner cavity of the inner sleeve body and the periphery air channel alternatively and rise in spiral mode are distributed in stagger mode along the axial direction of the kiln body in the inner cavity of the inner sleeve body and the peripheral air channel. The middle of the inner cavity of the inner sleeve body is divided into a calcination chamber corresponding to the calcination area in the annular furnace chamber through two layers of radial partition structures arranged in stagger mode along the axial direction of the kiln body. A high-temperature gas transmission pipe or a fuel transmission pipe is communicated with the calcination chamber.
Description
Technical field
The utility model belongs to the high-temperature calcination production technical field of materials such as lime, magnesium metal, and definite saying so relates to a kind of vertical type calcining kiln.
Background technology
Along with the development of metallurgical industry, improving constantly of calcining technology and technology makes China have higher requirement to the quality of slag former-lime main in magnesium metal, the STEELMAKING PRODUCTION.Existing calcining kiln mainly contains earth kiln, rotary kiln and shaft kiln.Earth kiln production efficiency is low, pollution is big, and the lime impurity content of its production is big, active low, and its product is mainly used in building field, and use at present has been under an embargo; And the rotary kiln device volume is bigger, and floor space is bigger, and it is higher to consume energy.Shaft kiln is claimed shaft furnace again, and the eighties in last century, shaft kiln is little with its floor space, power consumption is low and can use the characteristics of fuel of lower heating value to be used widely in China.Shaft kiln is divided into traditional shaft kiln and sleeve kiln again; The tradition shaft kiln is because the calcining zone volume is bigger; Thereby to the requirement for restriction of the granularity of raw material higher (being limited in 70～150 mm scopes), being above standard to influence the gas permeability in the kiln, causes the inside and outside temperature of calcining zone unbalanced; Burning occurs or give birth to and burn phenomenon, make its unstable product quality.
If existing sleeve kiln owner is by the Beckenbach kiln of German Ka Er Beckenbach in utility model; This Beckenbach kiln is introduced China the nineties; The kiln body of this kiln is processed two concentric cylindrical shells by steel plate and shaped steel weldering, and the outside of inner sleeve and outer sleeve liner are built by laying bricks or stones with basic brick, high-alumina brick and clay brick respectively.Inner core divides upper and lower two independent sectors, and top is last inner core, and the bottom is following inner core.Inner core forms the cylindrical steel plate case by double-decker up and down, and the chuck between the two-layered steel plates is sent into air and cooled off continuously to prevent its high temperature deformation.Inner core and urceolus arranged concentric form an annular space, and lime stone is just calcined in this annular region.The lime that adopts this Beckenbach kiln sleeve kiln to produce has porosity height, big, the active high characteristics of surface area; But all there is the comparatively shortcoming of difficulty of complex structure, manufacturing cost height and installation and maintenance in existing sleeve kiln; Make that the business capital input of this sleeve kiln of use is bigger; And this sleeve kiln need use many typhoons machine respectively its inner core to be cooled off, the spraying cycle air is provided for burning and extracts waste gas in the kiln out, makes that the flow and the pressure of the interior gas of this sleeve kiln are bigger; It is had relatively high expectations to the requirement of material and workman's operation; Heat exhaustion is higher, causes its production cost higher relatively, and applying of sleeve kiln caused obstacle.
Chinese patent open file CN101195520A discloses a kind of vertical continuous calcination lime burner; It comprises columnar kiln body; The top of kiln body is provided with closes the wind feed arrangement, and the top of kiln intracoelomic cavity is provided with distribution device, and the furnace chamber of distribution device below is provided with preheating zone, calcining zone and cooling zone successively; The discharging opening below of cooling zone is provided with continuous drawing mechanism; The top of kiln body also is provided with exhaust opening, also is axially arranged with the hot blast air-out passage that extends to the preheating zone at the middle part of kiln intracoelomic cavity, and this hot blast air-out passage is separated into circulus with the furnace chamber in the kiln body; Radially offer some passages on the conduit wall of hot blast air-out passage, and be equipped with the radially bocca of flame on the kiln body sidewall of calcining zone being positioned at.This vertical continuous calcination lime burner is greatly simplified with respect to the structure of Beckenbach sleeve kiln, but this vertical continuous calcination lime burner can only the bigger block stone material of machining shape volume, and for volume less powdery or graininess stone material; Then can't calcine; Otherwise powdery or graininess stone material can get into the hot blast air-out passage by the passage from hot blast air-out passage owing to the flame interaction that sprays in the bocca, cause the waste of big content of starting materials, and; In the lime burning process; If the excessive whereabouts of causing vapour lock to stop raw material easily of the combustion-gas flow that sprays in the bocca can't produce the limekiln continuously, reduce the production efficiency in limekiln; Can cause near the living burning of the part material of hot blast access way outer wall if the air-flow of torch firing is less, influence product quality; Simultaneously; Because pulverizing jet transverse injection flame; Make in the annular furnace chamber near the outer material of pulverizing jet and unbalanced near the temperature between the internal layer material of hot blast access way; Outer material receives thermal-flame to calcine easy burning, and the internal layer material receives flame to influence the less easy burning of giving birth to, and influences the steady quality of product.
The utility model content
The purpose of the utility model is: a kind of telescopic gas-burned vertical limekiln that can be used for calcining the stone material raw material of different sizes or shape is provided.
The technical scheme of the telescopic gas-burned vertical limekiln of the utility model is: a kind of telescopic gas-burned vertical limekiln; Comprise the kiln body; The bottom of kiln body is provided with air inlet; The top is provided with exhaust opening; Be arranged with annular furnace chamber through suit inner barrel and outer cylinder body together in the said kiln body; Offer the passage of annular furnace chamber of some connections and inner barrel inner chamber on the barrel of inner barrel, said annular furnace chamber is provided with preheating zone, calcining zone and cooling zone from top to bottom successively, is respectively equipped with charging aperture and discharging opening at the top/bottom part of annular furnace chamber; Also be covered with a tubular furnace shell in said outer cylinder body periphery; Be arranged with peripheral airway between the internal face of this tubular furnace shell and the outside wall surface of outer cylinder body, be laid with the passage that is communicated with annular furnace chamber and peripheral airway on the barrel of outer cylinder body, in said inner barrel inner chamber and peripheral airway along the kiln axon to alternate be laid staggeredly to be useful on order about in the kiln body air-flow and pass that annular furnace chamber alternately gets into inner barrel inner chamber and peripheral airway, the radially partition-type structures of the rising of turning back; Described inner barrel inner chamber middle part through along the kiln axon to the two layers of radial partition-type structures that is provided with at interval at a distance from be provided with annular furnace chamber in the corresponding calcining compartment of calcining zone, be communicated with high-temperature gas appendix or combustion gas appendix in this calcining compartment.
Said air inlet is opened in the bottom of furnace shell; Described radially partition-type structures mainly is located at the peripheral airway bottom by middle part, the said cooling zone of correspondence radial loop and radially is located at the 5th dividing plate that radial loop is located in the peripheral airway in the middle part of radially separated the 4th dividing plate and the corresponding said preheating zone of being located in the inner barrel inner chamber in the 3rd dividing plate in the peripheral airway, corresponding said preheating zone and calcining zone junction and forms at a distance from being located at the second partition in the inner barrel inner chamber, corresponding said calcining zone middle part radial loop near first dividing plate at air inlet place, corresponding said cooling zone and calcining zone junction; Bottom at furnace shell is provided with air inlet, and the top of furnace shell is provided with exhaust opening.
Mainly by forming to the horizontal segment that installs the vertical segment that is fixed on the second partition and laterally be installed on kiln body bottom along the kiln axon, the upper end of vertical segment extend in the said calcining compartment for described high-temperature gas appendix or combustion gas appendix.
Top at said inner barrel inner chamber also is provided with heat exchanger; Heat exchanger is mainly by the air collecting chamber on top and some the composition along the axially extended heat exchanger tube of kiln body that is inserted into the air collecting chamber bottom; Each heat exchanger tube installs and is fixed on said the 4th dividing plate, on air collecting chamber, is provided with the air inlet pipe that is communicated with ambient atmosphere.
The barrel of described inside and outside cylindrical shell mainly by the refractory brick with through hole successively bond constitute, the through hole on each refractory brick is tilted to respectively to being arranged in the corresponding outer aperture extension of peripheral airway or inner barrel inner chamber by the inner orifice that is arranged in annular furnace chamber.
Described each refractory brick be arranged on the internal face of annular furnace chamber respectively along the kiln body radially convex with fin, surround annular with the fin on each refractory brick of one deck, thereby in annular furnace chamber, form the choking coil that axially spaced-apart ring is from top to bottom established.
Discharging opening bottom at said annular furnace chamber also is provided with funnel shaped drawing mechanism.
Said fuel charge device comprises and is installed in the charge pipe that is positioned on the kiln body of calcining zone top, is provided with reinforced auger in the charge pipe, on the furnace shell outer wall on charge pipe top, is equipped with coal bunker, and the bottom of coal bunker is provided with the feed opening that is communicated with charge pipe.
Also be provided with the material distributing cone that cooperates with annular furnace top of chamber annular charging aperture at the top of said inner barrel.
The shaft furnace of the utility model is simple in structure; It forms three layers of tube-in-tube structure through furnace shell and inside and outside cylindrical shell, adopts autonomous burning of fuel and negative pressure inlet mode, has cancelled the torch firing device; Reduced the wind speed of air-flow in the kiln body calcining zone; Guarantee the even whereabouts of lime stone raw material and fuel, thereby realized the calcining of powdery or granular minor diameter lime stone raw material, avoided the waste of raw material; Simultaneously, the shaft furnace of the utility model utilizes the self-emptying of the deadweight realization product of material, through high-temperature gas appendix or continual high-temperature gas or the fuel gas in calcining compartment, carried of combustion gas appendix; The heat that high-temperature gas or fuel gas produce in the calcining compartment internal combustion enters into the calcining zone of annular furnace chamber the lime stone raw material is calcined through the passage on the inner tube wall, control the temperature in the body of heater through the high-temperature gas of control entering calcining compartment or the conveying capacity of fuel gas, prevents burning or gives birth to the burning phenomenon; It has simplified the operation in limekiln, reduces the construction cost in limekiln, and control is simple, convenient; Be convenient to product quality is managed; And it utilizes along the axial alternate radially partition-type structures that is laid staggeredly in peripheral airway and inner barrel inner chamber in the kiln body, makes the gas rising of in the kiln body, turning back; Can make on the one hand that fuel obtains enough air-breathings in the calcining; Improve efficiency of combustion, guarantee in the annular furnace chamber uniformity of temperature everywhere, preventing further that giving birth to from appearring in the lime stone raw material burns phenomenon; The heat that can utilize calcining to produce is on the other hand fully realized raw material and preheating of air synchronously; Heat utilization efficiency is high, thereby has reduced the consumption of fuel, has good energy-saving effect.
Description of drawings
Fig. 1 is the structural representation of the telescopic gas-burned vertical limekiln specific embodiment of the utility model.
The specific embodiment
The specific embodiment of the telescopic gas-burned vertical limekiln of the utility model is as shown in Figure 1; The kiln body of this shaft furnace is mainly formed with inner barrel 3 with the coaxial outer cylinder body 2 that is made up of refractory material in the furnace shell 1 that is set in by being installed in the tubular furnace shell 1 that is made up of insulation material on the pedestal 14; Inner barrel 3, outer cylinder body 2 and three layers of sleeve kiln structure of furnace shell 1 common formation; Wherein, Inner barrel 3 and outer cylinder body 2 mainly by refractory brick successively bond constitute; The inner chamber of inner barrel 3 forms axially extended hollow pipeline 6; Form axially extended annular furnace chamber 5 between inner barrel 3 and the outer cylinder body 2, between furnace shell 1 and outer cylinder body 2, surround the peripheral airway 4 of axially extended annular, on the barrel of inner barrel 3 and outer cylinder body 2, offer some be used to the be communicated with hollow pipeline 6 of inner barrel and the passages of annular furnace chamber 5 and annular furnace chamber 5 and peripheral airway 4 respectively; In the present embodiment; Each passage is made up of the through hole of offering on the refractory brick, and the through hole on the refractory brick is tilted to respectively to being arranged in peripheral airway 4 or inner barrel hollow pipeline 6 corresponding outer apertures are extended, with the through hole inflow peripheral airway 4 or hollow pipeline 6 of powder raw material from refractory brick that prevents to be fallen by annular furnace chamber 5 top fed mouths by the inner orifice that is arranged in annular furnace chamber 5.Simultaneously; Be arranged at each refractory brick on the internal face of annular furnace chamber 5 respectively along the kiln body radially convex with fin, surround annular with the fin on each refractory brick of one deck, thereby in annular furnace chamber 5, form the choking coil that axially spaced-apart ring is from top to bottom established; Make in the process that the lime stone raw material falls by deadweight in annular furnace chamber 5; The falling speed that the ectonexine of lime stone raw material slows down after stopped by choking coil, and the lime stone feed rate at center is constant, thus the lime stone raw material is produced mixing effect; It is balanced more that the lime stone raw material is heated in annular furnace chamber, improves the quality of production of lime.
Annular furnace chamber 5 from top to bottom successively be provided with preheating zone, calcining zone and cooling zone; Be provided with air inlet 12 in the bottom of furnace shell 1; Top at furnace shell 1 is provided with exhaust opening; Exhaust opening is provided with smoke discharging pipe 18, in the lime burning process, can utilize the fresh cold air that is got into by air inlet 12 fully for guaranteeing the kiln body, the utility model in the hollow pipeline 6 that peripheral airway 4 and inner barrel 3 surround along the axial alternate staggered radially partition-type structures that is laid with of kiln body.In the present embodiment, this radially partition-type structures mainly be located near first in the peripheral airway 4 of this air inlet 12 and radially be located on radial loop in the middle part of the preheating zone of the 4th dividing plate 11 and corresponding annular furnace chamber 5 in inner barrel 3 hollow pipelines 6 and be located at the 5th interior dividing plate 7 of peripheral airway 4 in cooling zone and the calcining zone junction of dividing plate 9, the corresponding annular furnace chamber 5 calcining zone middle part radial loop that is located on the second partition 10 in inner barrel 3 hollow pipelines 6, corresponding annular furnace chamber 5 preheating zone and the calcining zone junction of being located at the 3rd dividing plate 8 in the peripheral airway 4, corresponding annular furnace chamber 5 by middle part, the cooling zone of the annular furnace chamber 5 of correspondence.Wherein, The middle part that second partition 10, the 4th dividing plate 11 and the barrel of inner barrel 3 are engaged in hollow pipeline 6 is at a distance from setting out the calcining compartment corresponding with the calcining zone of annular furnace chamber 5; On second partition 10, install and be fixed with an appendix; Mainly by forming to the horizontal segment 21 that installs the vertical segment 13 that is fixed on the second partition 10 and laterally be installed on kiln body bottom along the kiln axon, the upper end of vertical segment 13 extend in the calcining compartment this appendix.High-temperature gas or fuel gas that this appendix produces in can delivery industry producing; High-temperature gas can directly get into annular furnace chamber through the passage on the inner tube wall lime stone raw material is calcined; Fuel gas can burn earlier in calcining compartment; The high-temperature gas that burning back produces gets into annular furnace chamber through the passage on the inner tube wall again the lime stone raw material is calcined, if desired, can also be in calcining compartment the mounting points firearm.
Top at the hollow pipeline 6 of inner barrel 3 also is provided with heat exchanger; This heat exchanger mainly by the air collecting chamber 17 that is arranged on material distributing cone 19 belows and be inserted into air collecting chamber 17 bottoms along the kiln axon to forming to the some heat exchanger tubes 22 that extend below; Be connected with on the air collecting chamber 17 and pass the air inlet pipe 16 that inside and outside cylindrical shell 2,3 and furnace shell 1 are communicated with ambient atmosphere, the bottom plug-in mounting of each heat exchanger tube 22 is fixed on the 4th dividing plate 11.
With the fuel gas is example; This shaft furnace is in calcination process; The powdery of minor diameter or granular lime stone raw material get into through the charging aperture 20 of material distributing cone 19 from annular furnace chamber 5 tops through the top of feed mechanism from the kiln body; Fuel gas such as calcium carbide tail gas, coal gas or natural gas are sent in the calcining compartment of the hollow pipeline 6 in the inner barrel 3 through appendix; Fuel gas burns in calcining compartment, and the heat that burning produces gets into through the passage on inner barrel 3 barrels in the calcining zone of annular furnace chamber 5 the lime stone raw material that enters into annular furnace chamber 5 is carried out high-temperature calcination.In the time of calcining; Because the hot gas that burning produces gets into the preheating zone that enters into the kiln body in the peripheral airway 4 and along peripheral airway 4 risings through the passage on outer cylinder body 2 barrels; In calcining compartment, form negative pressure, the fresh air that the air inlet pipe 16 through kiln body top will be rich in oxygen is drawn in the calcining compartment combustion-supporting through air collecting chamber 17 and heat exchanger tube 22.The hot gas that rises is stopped by the 5th dividing plate 7 in peripheral airway; Thereby passing passage on outer cylinder body 2 barrels enters into annular furnace chamber 5 the lime stone raw material that is arranged in the preheating zone is carried out preheating; To strengthen the decomposition of lime stone raw material; Improve the quality of production of lime; The lime stone raw material is carried out hot gas after the preheating behind the passage that passes on inner barrel 3 barrels, enter into hollow pipeline 6 tops and contact with heat exchanger tube 22 again, after-heat and heat exchanger tube 22 are carried out heat exchange will from heat exchanger tube 22, carry out preheating by the fresh air of process.Last residual air is discharged in the atmosphere through smoke discharging pipe 18.
In the time of calcining; The fresh air of another part is inhaled into from the air inlet 12 of furnace shell 1 bottom; The fresh air that is got into by furnace shell 1 bottom air inlet mouth 12 at first gets in the cooling zone of kiln body bottom, in the cooling zone, is cooperated by first dividing plate 9 in the peripheral airway 4 and the second partition 10 in the hollow pipeline 6; Make fresh air pass annular furnace chamber 5 through the passage on the barrel of inside and outside cylindrical shell 2,3 earlier and enter into the hollow pipeline 6 that is arranged in second partition 10 belows; And then pass annular furnace chamber 5 through the passage on inside and outside cylindrical shell 2,3 barrels and enter into the peripheral airway 4 between first dividing plate 9 and the 3rd dividing plate 8, fresh air passes that the high-temperature material after the calcining cools off in 5 pairs of annular furnace chambers 5 of annular furnace chamber for twice, thereby has improved the cooling effectiveness of high-temperature material; And high-temperature material is when being cooled; It has carried out synchronous preheating to fresh air, and calcining back residual waste heat on material is reused once more, thereby has improved the heat utilization ratio of this shaft furnace.Air after the preheating upwards enters into calcining zone in peripheral airway 4; Because stopping of the 3rd dividing plate 8; Make air pass annular furnace chamber 5 through the passage on the inside and outside cylindrical shell 2,3 again and enter into the fresh air that calcining compartment and kiln body top air inlet pipe 16 get into and mix, for the combustion gas in the calcining compartment provides combustion-supporting fully.
The telescopic gas-burned vertical limekiln of the utility model simple in structure only needs once igniting or directly feeds high-temperature gas can realize long-term continuous production, operation and convenient management; The kiln body adopts the negative pressure inlet mode, and environmental-protecting performance is higher; And the air-flow wind speed in the kiln body is little, thereby can realize that the scope of application is wide, adaptive capacity is strong to the calcining of the stone material of different sizes and shape; And the heat that can make full use of the calcining generation in process of production carries out synchronous preheating to raw material and air, improves heat utilization efficiency, reduces the consumption of fuel; The fund input of the utility model is little, product quality is high, the production continuity is strong, production efficiency is high, production cost of products is low, and alternative existing calcining kiln is promoted the use of in calcining production fields such as lime, magnesium metal.
The utility model is not limited to the foregoing description; Those skilled in the art be easy to expect other air intake mode according to the description of the foregoing description and be arranged on peripheral airway and the inner barrel hollow pipeline in radially partition-type structures; For example: air inlet can be arranged on inner barrel hollow pipeline bottom, thereby can cancel above-mentioned first dividing plate in the peripheral airway that is arranged at; It can also set up other dividing plate on the basis of the foregoing description, increase the modes such as the number of times of turning back of air-flow, no matter how its structure or shape change, it is all within the protection domain of the utility model.
Claims (9)
1. telescopic gas-burned vertical limekiln; Comprise the kiln body; The bottom of kiln body is provided with air inlet, and the top is provided with exhaust opening, is arranged with annular furnace chamber through suit inner barrel and outer cylinder body together in the said kiln body; Offer the passage of annular furnace chamber of some connections and inner barrel inner chamber on the barrel of inner barrel; Said annular furnace chamber is provided with preheating zone, calcining zone and cooling zone from top to bottom successively, is respectively equipped with charging aperture and discharging opening at the top/bottom part of annular furnace chamber, it is characterized in that; Also be covered with a tubular furnace shell in said outer cylinder body periphery; Be arranged with peripheral airway between the internal face of this tubular furnace shell and the outside wall surface of outer cylinder body, be laid with the passage that is communicated with annular furnace chamber and peripheral airway on the barrel of outer cylinder body, in said inner barrel inner chamber and peripheral airway along the kiln axon to alternate be laid staggeredly to be useful on order about in the kiln body air-flow and pass that annular furnace chamber alternately gets into inner barrel inner chamber and peripheral airway, the radially partition-type structures of the rising of turning back; Described inner barrel inner chamber middle part through along the kiln axon to the two layers of radial partition-type structures that is provided with at interval at a distance from be provided with annular furnace chamber in the corresponding calcining compartment of calcining zone, be communicated with high-temperature gas appendix or combustion gas appendix in this calcining compartment.
2. telescopic gas-burned vertical limekiln according to claim 1; It is characterized in that; Said air inlet is opened in the bottom of furnace shell; Described radially partition-type structures mainly is located at the peripheral airway bottom by middle part, the said cooling zone of correspondence radial loop and radially is located at the 5th dividing plate that radial loop is located in the peripheral airway in the middle part of radially separated the 4th dividing plate and the corresponding said preheating zone of being located in the inner barrel inner chamber in the 3rd dividing plate in the peripheral airway, corresponding said preheating zone and calcining zone junction and forms at a distance from being located at the second partition in the inner barrel inner chamber, corresponding said calcining zone middle part radial loop near first dividing plate at air inlet place, corresponding said cooling zone and calcining zone junction; Bottom at furnace shell is provided with air inlet, and the top of furnace shell is provided with exhaust opening.
3. telescopic gas-burned vertical limekiln according to claim 2; It is characterized in that; Mainly by forming to the horizontal segment that installs the vertical segment that is fixed on the second partition and laterally be installed on kiln body bottom along the kiln axon, the upper end of vertical segment extend in the said calcining compartment for described high-temperature gas appendix or combustion gas appendix.
4. according to claim 2 or 3 described telescopic gas-burned vertical limekilns; It is characterized in that; Top at said inner barrel inner chamber also is provided with heat exchanger; Mainly by the air collecting chamber and some the composition along the axially extended heat exchanger tube of kiln body that is inserted into the air collecting chamber bottom on top, each heat exchanger tube installs and is fixed on said the 4th dividing plate heat exchanger, on air collecting chamber, is provided with the air inlet pipe that is communicated with ambient atmosphere.
5. telescopic gas-burned vertical limekiln according to claim 1; It is characterized in that; The barrel of described inside and outside cylindrical shell mainly by the refractory brick with through hole successively bond constitute, the through hole on each refractory brick is tilted to respectively to being arranged in the corresponding outer aperture extension of peripheral airway or inner barrel inner chamber by the inner orifice that is arranged in annular furnace chamber.
6. telescopic gas-burned vertical limekiln according to claim 5; It is characterized in that; Described each refractory brick is arranged on the internal face of annular furnace chamber respectively and radially convexes with fin along the kiln body; Fin with on each refractory brick of one deck surrounds annular, thereby in annular furnace chamber, forms the choking coil that axially spaced-apart ring is from top to bottom established.
7. telescopic gas-burned vertical limekiln according to claim 1 is characterized in that, also is provided with funnel shaped drawing mechanism in the discharging opening bottom of said annular furnace chamber.
8. telescopic gas-burned vertical limekiln according to claim 1; It is characterized in that; Said fuel charge device comprises and is installed in the charge pipe that is positioned on the kiln body of calcining zone top; Be provided with reinforced auger in the charge pipe, on the furnace shell outer wall on charge pipe top, be equipped with coal bunker, the bottom of coal bunker is provided with the feed opening that is communicated with charge pipe.
9. telescopic gas-burned vertical limekiln according to claim 1 is characterized in that, also is provided with the material distributing cone that cooperates with annular furnace top of chamber annular charging aperture at the top of said inner barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120194903U CN202149683U (en) | 2011-06-10 | 2011-06-10 | Sleeve type gas-burning shaft kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120194903U CN202149683U (en) | 2011-06-10 | 2011-06-10 | Sleeve type gas-burning shaft kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202149683U true CN202149683U (en) | 2012-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120194903U Expired - Lifetime CN202149683U (en) | 2011-06-10 | 2011-06-10 | Sleeve type gas-burning shaft kiln |
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| Country | Link |
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| CN (1) | CN202149683U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288022A (en) * | 2011-06-10 | 2011-12-21 | 河南省德耀机械制造有限公司 | Sleeve-type gas-burning shaft kiln |
| CN108190852A (en) * | 2017-12-21 | 2018-06-22 | 湖南顶立科技有限公司 | A kind of multistage vertical type continuous carbonization furnace |
-
2011
- 2011-06-10 CN CN201120194903U patent/CN202149683U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288022A (en) * | 2011-06-10 | 2011-12-21 | 河南省德耀机械制造有限公司 | Sleeve-type gas-burning shaft kiln |
| CN108190852A (en) * | 2017-12-21 | 2018-06-22 | 湖南顶立科技有限公司 | A kind of multistage vertical type continuous carbonization furnace |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HENAN DEYAO ENERGY SAVING TECHNOLOGY CO., LTD. Free format text: FORMER NAME: HENAN DEYAO MACHINERY + ENGINEERING CO.,LTD. |
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| CP03 | Change of name, title or address |
Address after: 453003 torch garden, hi tech Zone, Henan, Xinxiang Patentee after: Henan Deyao Energy-Saving Technology Co., Ltd. Address before: 453003 torch garden, hi tech Zone, Hongqi District, Henan, Xinxiang Patentee before: Henan Deyao Mechinery Building Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 453003 torch garden, hi tech Zone, Henan, Xinxiang Patentee after: Henan Deyao energy Polytron Technologies Inc Address before: 453003 torch garden, hi tech Zone, Henan, Xinxiang Patentee before: Henan Deyao Energy-Saving Technology Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120222 |