CN201593023U - Energy-saving and environment-friendly automatic lime shaft kiln - Google Patents
Energy-saving and environment-friendly automatic lime shaft kiln Download PDFInfo
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- CN201593023U CN201593023U CN2009202808775U CN200920280877U CN201593023U CN 201593023 U CN201593023 U CN 201593023U CN 2009202808775 U CN2009202808775 U CN 2009202808775U CN 200920280877 U CN200920280877 U CN 200920280877U CN 201593023 U CN201593023 U CN 201593023U
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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 an energy-saving and environment-friendly automatic lime shaft kiln comprising a kiln body, an automatic feeder, a kiln roof distributing machine, an automatic kiln bottom lime unloading machine, and a de-sulfur dust collector communicated with a kiln roof smoke outlet pipe, wherein a preheating chamber, a radiation combustion chamber and a high-temperature firebox are arranged sequentially from top to bottom in the kiln body, an open-close type distributing device is arranged between the preheating chamber and the radiation combustion chamber, an annular large caliber reclaiming heat pipe with pipe orifices at the two ends being respectively communicated with the bottom of the preheating chamber and the upper part of the high-temperature firebox is arranged outside the radiation combustion chamber, a coal injection machine is arranged outside the radiation combustion chamber and the high-temperature firebox, a spray nozzle of the coal injection machine is communicated with the radiation combustion chamber, and an induced draft pipe of the coal injection machine is communicated with the high-temperature firebox. With reasonable structural design and convenient automatic operation, the utility model alters the multi-fuel coal combustion mode in a traditional shaft kiln, thereby solving the technical problems of multi-fuel coal combustion, low heating value utilization ratio, heavy flue gas and dust contamination, high labor intensity, poor product quality, low degree of mechanization, and high cost of products.
Description
Technical field the utility model belongs to energy-conserving and environment-protective lime burner furnace technical field, is specifically related to a kind of energy-conserving and environment-protective automatization lime shaft kiln.
The energy-conserving and environment-protective limestone kiln of background technology prior art comprises at the bottom of kiln body, automatic charging machine, kiln top material distributing machine, the kiln automatic ash-discharging machine and ejects the desulfurizing dust-collector that smoke pipe is communicated with kiln.The lime burner furnace of this structure all adopts the coal charge multifuel combustion, and utilization rate of heat value is low, and flue gas and dust pollution are serious, and labour intensity is big, poor product quality, and mechanization degree is low, and the product cost height can't reach the energy-saving and emission-reduction requirement of the market requirement and national industrial policies.The reasonable use of fuel has simultaneously become the main examination emphasis of production unit, and the thermo-efficiency of furnace equipment directly influences the comprehensive utilization of heat energy.
The summary of the invention the purpose of this utility model be solve that prior art exists that coal charge multifuel combustion, utilization rate of heat value are low, flue gas and dust pollution is serious, labour intensity big, poor product quality, mechanization degree is low, product cost is high technical problem, provide a kind of energy-conserving and environment-protective automatization lime shaft kiln, to remedy the deficiencies in the prior art.
For achieving the above object, the utility model energy-conserving and environment-protective automatization lime shaft kiln comprises at the bottom of kiln body, automatic charging machine, kiln top material distributing machine, the kiln automatic ash-discharging machine and ejects the desulfurizing dust-collector that smoke pipe is communicated with kiln; Its main points are from top to bottom to be provided with preheating chamber, radiant, high-temperature burner hearth in the kiln body successively, be provided with the open-close type distributor between preheating chamber and the radiant, the outside of radiant is provided with the two ends mouth of pipe and reclaims heat pipe with the annular heavy caliber that the top of the bottom of preheating chamber and high-temperature burner hearth is communicated with respectively, the outside of radiant and high-temperature burner hearth is provided with the coal powder injection machine, the nozzle of coal powder injection machine is communicated with radiant, and the induced exhaust of coal powder injection machine is communicated with high-temperature burner hearth.
For the reasonable utilization that the even preheating of material that makes in the preheating chamber improves heat energy, the bottom of said preheating chamber is provided with the donut cross wind-distributing pipe.
Described material distributing machine, open-close type distributor, automatic ash-discharging machine adopt air cylinder driven respectively, and action fast accurately puts in place.
Described coal powder injection machine can utilize blast furnace waste gas, Sweet natural gas, coal dust and coal gas to mix the torch firing of thing in kiln.
The utility model reasonable in design, be convenient to automated operation, changed coal charge in traditional shaft furnace multifuel combustion mode, solved that prior art exists that coal charge multifuel combustion, utilization rate of heat value are low, flue gas and dust pollution is serious, labour intensity big, poor product quality, mechanization degree is low, product cost is high technical problem.
Appended drawings is the utility model structural representation.
Among the figure 1, automatic charging machine 2, kiln top material distributing machine 3, preheating chamber 4, donut cross wind-distributing pipe 5, open-close type distributor 6, desulfurizing dust-collector 7, annular heavy caliber reclaim automatic ash-discharging machine 11 at the bottom of heat pipe 8, radiant 9, high-temperature burner hearth 10, the kiln, coal powder injection machine
Embodiment with reference to the accompanying drawings, the utility model comprises at the bottom of kiln body, automatic charging machine 1, kiln top material distributing machine 2, the kiln automatic ash-discharging machine 10 and ejects the desulfurizing dust-collector 6 that smoke pipe is communicated with kiln; From top to bottom be provided with preheating chamber 3, radiant 8, high-temperature burner hearth 9 in the kiln body successively, be provided with open-close type distributor 5 between preheating chamber 3 and the radiant 8, the outside of radiant 8 is provided with the two ends mouth of pipe and reclaims heat pipe 7 with the annular heavy caliber that the top of the bottom of preheating chamber and high-temperature burner hearth is communicated with respectively, the outside of radiant and high-temperature burner hearth is provided with coal powder injection machine 11, the suction pipe of coal powder injection machine 11 is communicated with radiant 8, and the blast pipe of coal powder injection machine 11 is communicated with high-temperature burner hearth 9; The bottom of preheating chamber 3 is provided with donut cross wind-distributing pipe 4.
Principle of work of the present utility model: building stones are through automatic charging machine 1, kiln top material distributing machine 2, preheating chamber 3, open-close type distributor 5, radiant 8 enters high-temperature burner hearth 9, after treating that high-temperature burner hearth 9 has advanced material, close open-close type distributor 5, and then carry building stones to be stored in the preheating chamber 3, after treating that preheating chamber 3 has advanced material, close kiln top material distributing machine 2 again, open the coal powder injection of in high-temperature burner hearth 9, lighting a fire of coal powder injection machine, burned flame enters 9 pairs of building stones of high-temperature burner hearth and carries out roasting, do not have the flue gas of perfect combustion and burnt grain to enter radiant 8 and carry out secondary combustion again, make fuel fully burning in radiant.Clean-burning hot gas enters 3 pairs of building stones of preheating chamber from annular heavy caliber recovery heat pipe 7 and carries out preheating, and the smoke pipe through the kiln top enters desulfurizing dust-collector 6 again, further desulfurization and dedusting.Roasting finishes, and by radially cloth air cooling of the gas blower at the bottom of the kiln, cooling is after automatic ash-discharging machine 10 unloads ash.Carrying out next round operation, so circulation then.
The utility model changes over the direction of motion of high-temperature furnace gas identical with the material movement direction, forms the following current heating, makes high-temperature material be in the heated condition of continous-stable, and it is long to be heated the material temperature duration, helps the decomposition of Wingdale and burns till quality.Segmentation preheating, heating have improved thermal zone heating-surface area, strengthened should the zone temperature homogeneity, material that all should the zone is in the isothermal environment simultaneously heats.This kiln is provided with the High Temperature Furnaces Heating Apparatus hall, when heat to the processing requirement temperature and be in thermal steady state after, be in the condition of high temperature in the stove hall always, furnace body temperature around the stove is given thermal zone material with a large amount of radiation heat transfer, strengthened heating efficiency, adopt pulverized coal combustor, coal dust is burning rapidly in the High Temperature Furnaces Heating Apparatus hall, volatilization powder that forms and burnt grain carry out secondary combustion again, make fuel abundant in the combustion chamber internal combustion, can not form tobacco (fugitive constituent) and black smoke pollutents such as (fixed carbon and carbon blacks), reach the fume emission requirement of ideal country.The annular heavy caliber reclaims heat pipe, impels the discharging of furnace gas unobstructed, has guaranteed the furnace gas discharging homogeneity along the stove cross section simultaneously, and the branch that has improved gas stream in the stove has reduced the resistance of gas stream in the stove, and the waste heat of gas is absorbed.
Complete each point operation of kiln all adopts air cylinder driven, and action fast accurately puts in place.The material loading of kiln, blanking are gone into stove and are given thermal zone feed, and bottom discharge all adopts the pneumatics operation, by time relay control, have reduced personnel's operation link, have improved production efficiency.
The furnace roof flue gas is handled through desulfurizing dust-collector through after recycling preheating again, reaches discharging standards.
The utility model is named and is energy saving and environment friendly FJC shaft furnace.
Claims (3)
1. energy-conserving and environment-protective automatization lime shaft kiln comprises at the bottom of kiln body, automatic charging machine, kiln top material distributing machine, the kiln automatic ash-discharging machine and ejects the desulfurizing dust-collector that smoke pipe is communicated with kiln; It is characterized in that from top to bottom being provided with successively in the kiln body preheating chamber, radiant, high-temperature burner hearth, be provided with the open-close type distributor between preheating chamber and the radiant, the outside of radiant is provided with the two ends mouth of pipe and reclaims heat pipe with the annular heavy caliber that the top of the bottom of preheating chamber and high-temperature burner hearth is communicated with respectively, the outside of radiant and high-temperature burner hearth is provided with the coal powder injection machine, the nozzle of coal powder injection machine is communicated with radiant, and the induced exhaust of coal powder injection machine is communicated with high-temperature burner hearth.
2. energy-conserving and environment-protective automatization lime shaft kiln according to claim 1 is characterized in that the bottom of said preheating chamber is provided with the donut cross wind-distributing pipe.
3. energy-conserving and environment-protective automatization lime shaft kiln according to claim 1 is characterized in that said material distributing machine, open-close type distributor, automatic ash-discharging machine are respectively by air cylinder driven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202808775U CN201593023U (en) | 2009-12-15 | 2009-12-15 | Energy-saving and environment-friendly automatic lime shaft kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202808775U CN201593023U (en) | 2009-12-15 | 2009-12-15 | Energy-saving and environment-friendly automatic lime shaft kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201593023U true CN201593023U (en) | 2010-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202808775U Expired - Fee Related CN201593023U (en) | 2009-12-15 | 2009-12-15 | Energy-saving and environment-friendly automatic lime shaft kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201593023U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102276172A (en) * | 2011-07-02 | 2011-12-14 | 员苏让 | Full automatic calcining limekiln with coal gas as heat source |
| CN102092967B (en) * | 2009-12-15 | 2012-12-26 | 陈巨军 | Energy-saving and environmentally-friendly automatic lime shaft kiln |
| CN103145352A (en) * | 2013-03-06 | 2013-06-12 | 付金华 | Environment-friendly program-controlled automatic vertical type gas-lime kiln |
| CN103760846A (en) * | 2013-12-30 | 2014-04-30 | 石嘴山市华岳化工有限公司 | Automatic control system for environment-friendly and energy-saving co-firing lime shaft kiln |
| CN108793781A (en) * | 2018-07-24 | 2018-11-13 | 陈文武 | A kind of energy-saving and environment-friendly twin furnace lime burner furnace |
-
2009
- 2009-12-15 CN CN2009202808775U patent/CN201593023U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092967B (en) * | 2009-12-15 | 2012-12-26 | 陈巨军 | Energy-saving and environmentally-friendly automatic lime shaft kiln |
| CN102276172A (en) * | 2011-07-02 | 2011-12-14 | 员苏让 | Full automatic calcining limekiln with coal gas as heat source |
| CN103145352A (en) * | 2013-03-06 | 2013-06-12 | 付金华 | Environment-friendly program-controlled automatic vertical type gas-lime kiln |
| CN103760846A (en) * | 2013-12-30 | 2014-04-30 | 石嘴山市华岳化工有限公司 | Automatic control system for environment-friendly and energy-saving co-firing lime shaft kiln |
| CN108793781A (en) * | 2018-07-24 | 2018-11-13 | 陈文武 | A kind of energy-saving and environment-friendly twin furnace lime burner furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20121215 |