CN202390322U - Lime kiln with hot-air circulation function - Google Patents
Lime kiln with hot-air circulation function Download PDFInfo
- Publication number
- CN202390322U CN202390322U CN2011204868481U CN201120486848U CN202390322U CN 202390322 U CN202390322 U CN 202390322U CN 2011204868481 U CN2011204868481 U CN 2011204868481U CN 201120486848 U CN201120486848 U CN 201120486848U CN 202390322 U CN202390322 U CN 202390322U
- Authority
- CN
- China
- Prior art keywords
- kiln
- temperature control
- chamber
- lime
- hot air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
Landscapes
- Furnace Details (AREA)
Abstract
一种热风循环石灰窑炉，包括炉体、锥形炉排、自动上料机、窑顶布料机、窑底自动卸灰机和与窑顶出烟管连通的脱硫除尘器连通管；炉体内由上而下依次设有倒锥台形预热室、圆柱体型辐射燃烧室和锥台形石灰冷却室；窑顶出烟管内设排烟温控传感器；预热室设有料位器；辐射燃烧室内壁的上、中、下三个部位分别设有安装燃料喷管的台阶凸起；辐射燃烧室内壁的上、下部位设有燃烧温控传感器；锥形炉排的下面设有与鼓风机连接的进风管，石灰冷却室的上部设有连通引风机进风口的热风出口，引风机的出风口通过热气喷管与燃料喷管连通；所述控传感器分别通过导线与电机连接。本实用新型解决了料位、炉温不便控制，热能综合利用差的技术问题。
A hot air circulation lime kiln, including a furnace body, a conical grate, an automatic feeder, a kiln roof distribution machine, an automatic ash unloader at the kiln bottom, and a connecting pipe for a desulfurization and dust collector connected to the kiln top smoke outlet pipe; the furnace body From top to bottom, there are an inverted cone-shaped preheating chamber, a cylindrical radiation combustion chamber and a cone-shaped lime cooling chamber; a smoke exhaust temperature control sensor is installed in the smoke outlet pipe on the kiln top; a material level device is installed in the preheating chamber; The upper, middle and lower parts of the furnace are respectively provided with step protrusions for installing fuel nozzles; the upper and lower parts of the inner wall of the radiant combustion chamber are provided with combustion temperature control sensors; The air duct, the upper part of the lime cooling chamber is provided with a hot air outlet connected to the air inlet of the induced draft fan, and the air outlet of the induced draft fan is communicated with the fuel nozzle through the hot gas nozzle; the control sensors are respectively connected with the motor through wires. The utility model solves the technical problems of inconvenient control of material level and furnace temperature and poor comprehensive utilization of heat energy.
Description
Technical field
The utility model belongs to the lime burner furnace technical field, is specifically related to a kind of hot air circulation lime shaft kiln stove.
Background technology
The limestone kiln of prior art comprises at the bottom of body of heater, automatic charging machine, kiln top material distributing machine, the kiln automatic ash-discharging machine and ejects the desulfurizing dust-collector pipe that smoke pipe is communicated with kiln.The lime burner furnace of this structure exists that material level inconvenience control, furnace temperature can not effectively be controlled, the technical problem of heat integration poor performance.
Application number is 201020140039.0 one Chinese patent application, and it discloses a kind of limestone kiln shaft furnace, and it only is the state when in kiln, being provided with tripper and having improved the kiln discharging, but material level, furnace temperature etc. is not control effectively.
Application number is the one Chinese patent application of 200710054579.X, and it discloses a kind of stepped active lime shaft kiln, and horizontal bench is set in zone of combustion, and movable push bar is set on step, with this counter-rotating that promotes Wingdale, has improved quality.
Above-mentioned limestone kiln is all less than effectively solving material level, Control for Kiln Temperature and the low problem of heat energy utilization rate.
Summary of the invention
The purpose of the utility model is to solve to have in the prior art that material level inconvenience control, furnace temperature can not effectively be controlled, the technical problem of heat integration poor performance, a kind of hot air circulation lime burner furnace of energy-saving and environmental protection is provided, to remedy the deficiency of prior art.
To achieve these goals, the technical scheme of the utility model employing is following:
A kind of hot air circulation lime burner furnace comprises that automatic ash-discharging machine at the bottom of body of heater, automatic charging machine, kiln top material distributing machine, the kiln, kiln eject smoke pipe, and ejects the desulfurizing dust-collector pipe that smoke pipe is communicated with kiln, at the bottom of the kiln automatic ash-discharging machine above be provided with cone-shaped grates; It is characterized in that, be provided with inversed taper platform shape preheating chamber, cylinder bodily form radiant and taper type lime cooling room in the body of heater from top to bottom successively; Said kiln ejects and is provided with the smoke evacuation temperature control sensor in the smoke pipe; The top of said preheating chamber is provided with level detector; Three positions, the upper, middle and lower of said radiant inwall are respectively equipped with step-like convexity, are respectively equipped with fuel nozzle on three step boss; The upper and lower position of said radiant inwall is respectively equipped with the burning temperature control sensor; Be provided with the blast pipe that is connected with gas blower below the said cone-shaped grates; The top of said lime cooling room is provided with hot-blast outlet; Said hot-blast outlet is communicated with the blast inlet of the induced draft fan of body of heater outside, and the air outlet of induced draft fan is communicated with fuel nozzle through the hot gas jet pipe; Said smoke evacuation temperature control sensor, burning temperature control sensor are connected with the motor that gas blower links to each other through lead respectively.
Said fuel nozzle is connected with Coal powder spray machine or natural gas line.
The preheating chamber periphery of said upper of furnace body is provided with thermal insulation layer, and thermal insulation layer is provided with breather hole.
The utility model reasonable in design is convenient to automated operation, has solved prior art and has had that material level inconvenience control, furnace temperature can not effectively be controlled, the technical problem of heat integration poor performance.
The utility model compared with prior art has following useful effect:
(1) through level detector control inlet amount, when material level reaches predetermined height, automatic charging machine will stop charging automatically.
(2) through the fuel nozzle protruding and that be provided with respectively of the set inside in the combustion chamber, step-like convexity can improve the utilization ratio of fuel effectively; In addition, repeat to be incorporated in the combustion chamber, can make full use of the waste heat of flue gas through warm air with the lime cooling room.
(3) through smoke evacuation temperature control sensor and burning temperature control sensor are set, can monitor funnel temperature and combustion case, be convenient to the control of whole process flow.
Description of drawings
Accompanying drawing 1 is the one-piece construction synoptic diagram of the utility model.
Accompanying drawing 2 is floor map of travelling belt of the automatic charging machine of the utility model.
Automatic ash-discharging machine 14, kiln top material distributing machine 15, desulfurizing dust-collector pipe 16, pipe 17, smoke evacuation temperature control sensor 18, level detector among the figure 1, at the bottom of the automatic charging machine 2, body of heater 3, preheating chamber 4, radiant 5, fuel nozzle 6, hot gas jet pipe 7, burning temperature control sensor 8, lime cooling room 9, hot-blast outlet 10, induced draft fan 11, cone-shaped grates 12, blast pipe 13, kiln
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
According to Fig. 1, the utility model comprises at the bottom of body of heater 2, automatic charging machine 1, kiln top material distributing machine 14, the kiln automatic ash-discharging machine 13 and ejects the desulfurizing dust-collector pipe 15 that smoke pipe 16 is communicated with kiln, at the bottom of the kiln automatic ash-discharging machine 13 above be provided with cone-shaped grates 11; From top to bottom be provided with inversed taper platform shape preheating chamber 3, cylinder type radiant 4 and taper type lime cooling room 8 in the body of heater 2 successively; Said kiln ejects and establishes smoke evacuation temperature control sensor 17 in the smoke pipe 16; The top of said preheating chamber 3 is provided with level detector 18; Three positions, the upper, middle and lower of said radiant 4 inwalls are respectively equipped with the step convexity, are respectively equipped with fuel nozzle 5 on three step boss; The upper and lower position of said radiant 4 inwalls is respectively equipped with burning temperature control sensor 7; Be provided with the blast pipe 12 that is connected with gas blower below the said cone-shaped grates 11, the top of said lime cooling room 8 is provided with the hot-blast outlet 9 that is communicated with outer induced draft fan 10 blast inlets of body of heater, and the air outlet of induced draft fan 10 is communicated with fuel nozzle 5 through hot gas jet pipe 6; Said smoke evacuation temperature control sensor 17, burning temperature control sensor 7 are connected with the motor that gas blower links to each other through lead respectively; Said fuel nozzle 5 is connected with Coal powder spray machine or natural gas line.
The utility model is provided with level detector 18 on the top of preheating chamber 3, can control inlet amount automatically, and when material level reaches predetermined height, automatic charging machine will stop charging automatically; In kiln ejects smoke pipe, establish the smoke evacuation temperature control sensor, can grasp the outflow temperature of flue gas at any time, avoid the waste of heat; The material distributing machine that the kiln top of the utility model is provided with can be carried out cloth uniformly; To guarantee the abundant burning of Wingdale; In addition, three lowering speeds that convexity can be slowed down Wingdale of combustion chamber suitably increase the mixing time with fuel; Can improve efficiency of combustion greatly, guarantee the steady quality of product; Be respectively equipped with burning temperature control sensor 7 at the upper and lower position of radiant 4 inwalls and can in time grasp the calcining temperature in the radiant 4, so that burning is controlled; Be provided with the hot-blast outlet 9 that is communicated with induced draft fan 10 blast inlets outside the body of heater on the top of lime cooling room 8, can the hot gas cycle in the stove be used, make full use of the waste heat of flue gas, further reach energy saving purposes.
In addition, the preheating chamber periphery of upper of furnace body is provided with thermal insulation layer, and thermal insulation layer is provided with breather hole, can play the exhaust dampproof effect.
Although preceding text specify the utility model, the utility model is not limited to this, and those skilled in the art of the present technique can carry out the modification on the various forms according to the principle of work of the utility model.Therefore, all modifications of being done according to the utility model principle all are to be understood that to falling into the protection domain of the utility model.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204868481U CN202390322U (en) | 2011-11-28 | 2011-11-28 | Lime kiln with hot-air circulation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204868481U CN202390322U (en) | 2011-11-28 | 2011-11-28 | Lime kiln with hot-air circulation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202390322U true CN202390322U (en) | 2012-08-22 |
Family
ID=46665260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204868481U Expired - Lifetime CN202390322U (en) | 2011-11-28 | 2011-11-28 | Lime kiln with hot-air circulation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202390322U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491654A (en) * | 2011-11-28 | 2012-06-13 | 付金华 | Hot-air circulation lime kiln |
| CN104446020A (en) * | 2014-12-05 | 2015-03-25 | 石树修 | Smokeless lime kiln capable of continuously adding comburents by means of furnace fireguard combustion |
| WO2018192267A1 (en) * | 2017-04-17 | 2018-10-25 | 王长春 | Lime kiln device for fully recovering co2 |
| CN111592242A (en) * | 2020-06-01 | 2020-08-28 | 大石桥市宝鼎耐火材料有限公司 | High-yield environment-friendly automatic dead-burned magnesia shaft kiln and production method thereof |
-
2011
- 2011-11-28 CN CN2011204868481U patent/CN202390322U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491654A (en) * | 2011-11-28 | 2012-06-13 | 付金华 | Hot-air circulation lime kiln |
| CN104446020A (en) * | 2014-12-05 | 2015-03-25 | 石树修 | Smokeless lime kiln capable of continuously adding comburents by means of furnace fireguard combustion |
| WO2018192267A1 (en) * | 2017-04-17 | 2018-10-25 | 王长春 | Lime kiln device for fully recovering co2 |
| CN111592242A (en) * | 2020-06-01 | 2020-08-28 | 大石桥市宝鼎耐火材料有限公司 | High-yield environment-friendly automatic dead-burned magnesia shaft kiln and production method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104019541A (en) | Environment-friendly gasification counter-flow combustion hot-blast stove | |
| CN202390322U (en) | Lime kiln with hot-air circulation function | |
| CN102491654B (en) | Hot-air circulation lime kiln | |
| CN202947312U (en) | Metal hot-blast stove | |
| CN201411419Y (en) | Exhaust flue gas waste heat-recovering energy-saving environment-friendly lime kiln | |
| CN201279454Y (en) | Eddying-flow flash subdivision furnace suitable for fine subdivision of material into powder and gas product | |
| CN201387217Y (en) | a drying oven | |
| CN204388350U (en) | The hot blast stove system of a kind of hot-blast stove and formation thereof | |
| CN203848665U (en) | Biomass smelting furnace | |
| CN203908001U (en) | Biomass fuel hot-air boiler | |
| CN104729079A (en) | Hot air furnace | |
| CN204963181U (en) | Heat exchange boiler | |
| CN205535967U (en) | Biomass burning device | |
| CN102095254A (en) | Organic heat carrier boiler of fluidized bed, with low cost, environment protection, energy saving and emission reduction | |
| CN106316166A (en) | Energy-saving and environment-friendly lime kiln for recycling waste heat of smoke | |
| CN203949159U (en) | A kind of biomass fuel combustion system | |
| CN201660563U (en) | Pulverized coal gasification lime kiln shaft furnace | |
| CN201514032U (en) | Normal-pressure hot-water boiler using biomass straw briquette fuel for combustion | |
| CN205825066U (en) | A kind of industrial coal powder boiler furnace bottom deashing device | |
| CN206609150U (en) | A kind of paint line elevated furnace special hot air stove | |
| CN204986978U (en) | Energy -concerving and environment -protective fuel -fired furnace | |
| CN202024473U (en) | Environment-friendly, energy-saving and emission-reduction fluidized bed organic heat carrier boiler with low cost | |
| CN203810879U (en) | Diffusion type coal injection burning furnace of drying machine | |
| CN102878671A (en) | Broken branch sawdust particle direct-combustion type hot-blast furnace | |
| CN203475276U (en) | Pipeline type blade heat transfer stirring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120822 Effective date of abandoning: 20130605 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120822 Effective date of abandoning: 20130605 |
|
| RGAV | Abandon patent right to avoid regrant |