CN218931987U - Improved double-beam lime kiln - Google Patents
Improved double-beam lime kiln Download PDFInfo
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- CN218931987U CN218931987U CN202320147616.6U CN202320147616U CN218931987U CN 218931987 U CN218931987 U CN 218931987U CN 202320147616 U CN202320147616 U CN 202320147616U CN 218931987 U CN218931987 U CN 218931987U
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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 improved double-beam lime kiln, which belongs to the technical field of industrial kilns and comprises a kiln body transformed from an existing mixed kiln, wherein a distributing device connected with a feeding system is arranged at the top of the kiln body to realize uniform distribution; the inner cavity of the kiln body is divided into a preheating zone, a calcining zone and a cooling zone from top to bottom, the top of the preheating zone is connected with a flue gas emission system, the calcining zone is provided with a combustion system, and a combustion beam of the combustion system is connected with the cooling system; the middle lower part of the kiln body is connected with an air supply system, and the bottom of the kiln body is provided with an ash discharging system. By reforming the kiln body on the basis of the existing mixed firing kiln, the investment is saved by utilizing the existing resources, and the economic benefit of enterprises is increased; the burning system is added through the calcining zone of the kiln body, and the cooling system plays a role in cooling the burning beam; the top and the bottom of the kiln body are provided with a smoke discharge system and an ash discharge system, so that lime is safely and stably calcined.
Description
Technical Field
The utility model belongs to the technical field of industrial kilns, and particularly relates to an improved double-beam lime kiln.
Background
Along with the increasing importance of economic development transformation and ecological civilization construction in China, the green development brings higher requirements on the production of lime industry, especially on the production capacity, energy conservation, consumption reduction, environmental protection, automatic control and other aspects of the process and equipment of the mixed-combustion mechanical lime shaft kiln. The mixed-burning mechanical lime shaft kiln is used as one of the main kiln types in the current domestic lime industry, solid coal is used as fuel in the existing mixed-burning kiln, a feeding system mixes certain coal particles into a feeding trolley filled with limestone, and a winch drives the mixture of coal and limestone to be poured into the lime kiln for calcination. The fuel used for producing lime in the way is single, the heat consumption of unit product is higher than that of a double-beam kiln, and the pollutant discharged after combustion hardly reaches the index of environmental protection requirement.
Disclosure of Invention
The utility model aims to provide an improved double-beam lime kiln, which aims to solve the technical problems that the fuel ratio of the existing mixed-combustion kiln is single, the heat consumption of unit products is high, and the pollutant emission after combustion is difficult to reach the environmental protection requirement.
In order to solve the technical problems, the utility model adopts the following technical scheme:
an improved double-beam lime kiln comprises a kiln body transformed from an existing mixed-combustion kiln, wherein the top of the kiln body is provided with a distributing device connected with a feeding system; the inner cavity of the kiln body is sequentially divided into a preheating zone, a calcining zone and a cooling zone from top to bottom, the top of the preheating zone is connected with a flue gas emission system, the calcining zone is provided with a combustion system, and a combustion beam of the combustion system is connected with the cooling system; the middle part and the lower part of the kiln body are connected with an air supply system, and the bottom of the kiln body is provided with an ash discharging system.
Preferably, the combustion system comprises a fuel main pipe, a fuel branch pipe, a plurality of combustion beams and a plurality of peripheral burners, wherein the fuel main pipe is connected with the burners on the plurality of combustion beams through the fuel branch pipe and is used for conveying fuel into the combustion beams; the plurality of combustion beams are divided into an upper layer and a lower layer which are arranged on the side wall of the kiln body in parallel, and a plurality of peripheral burners are symmetrically arranged on two sides of the lower layer of combustion beams.
Preferably, the inner sections of the preheating zone and the cooling zone are circular, the inner section of the calcining zone is rectangular, and the four sides of the calcining zone are arc-shaped outwards protruding parts; the burning beams are arranged along the width direction of the calcining zone, and a plurality of peripheral burning nozzles are symmetrically arranged on the side walls of the kiln body at the two short sides of the calcining zone.
Preferably, the number of the combustion beams is 5, the arrangement mode of the 5 combustion beams is that the number of the upper layer is 3, the number of the lower layer is 2, and the horizontal projection of the upper layer and the lower layer of the combustion beams are uniformly distributed at equal intervals.
Preferably, the combustion beam is of a rectangular jacket structure with a burner arranged inside, heat conduction oil in the jacket is connected with a cooling system, the cooling system comprises a heat conduction oil pipeline, a heat conduction oil pump set and a radiator, the heat conduction oil pump set and the radiator are arranged on the heat conduction oil pipeline, and two ends of the heat conduction oil pipeline are respectively communicated with an inlet and an outlet of the jacket.
Preferably, the air supply system comprises a primary fan, a primary air main pipe, a primary air branch pipe and a secondary fan, wherein an air outlet of the primary fan is connected with the primary air main pipe, and the primary air main pipe is connected with peripheral burners and burners on a plurality of combustion beams through the primary air branch pipe and is used for conveying air into the kiln body and the combustion beams; and an air outlet of the secondary air blower is arranged at the bottom of the kiln body.
Preferably, the ash discharging system comprises a screw cone ash discharging machine, a star-shaped discharge valve and an ash discharging belt conveyor, wherein the star-shaped discharge valve is arranged at the outlet of the screw cone ash discharging machine and above the feeding end of the ash discharging belt conveyor; the secondary air blower is connected with the bottom of the screw cone ash discharging machine through a secondary air pipe and is used for enabling air provided by the secondary air blower to pass through the cooling belt to cool high-temperature lime and supplement combustion supporting in the calcining belt after temperature rising.
Preferably, the material distributing device is a material cup sealing rotary material distributing device; the feeding system is arranged on one side of the kiln body and is used for lifting limestone from the ground to an inlet of the distributing device.
Preferably, the feeding system comprises a winch, a feeding trolley, a weighing hopper and a steel frame inclined bridge, wherein the weighing hopper is used for weighing the material in the feeding trolley, the winch is arranged on one side of the steel frame inclined bridge, and the steel wire rope of the winch drags the feeding trolley to ascend to an inlet of the material distributing device along the steel frame inclined bridge.
Preferably, the flue gas emission system comprises a flue gas exhaust pipeline, a bag-type dust remover arranged on the flue gas exhaust pipeline, a flue gas exhaust fan and a chimney.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in: compared with the prior art, the kiln body is transformed on the basis of the existing mixed firing kiln, so that the existing resources can be fully utilized, the construction investment is saved, and the economic benefit of enterprises is increased; the uniform distribution is realized by installing a distribution device at the top of the kiln body; adding a combustion system in a calcining zone of the kiln body, connecting a combustion beam of the combustion system with a cooling system, and improving the service life of the combustion beam; and the top and bottom of the kiln body are provided with a flue gas discharge system and an ash discharge system, and meanwhile, the middle lower part of the kiln body is provided with an air supply system to provide combustion air, so that the pressure in the kiln is higher than that outside the kiln, and the safe and stable lime calcination is realized by reasonably controlling the combustion air, the fuel supply amount and the smoke exhaust. The utility model can enrich fuel types, reduce energy consumption, improve product quality, reduce equipment investment, prolong technical life and increase economic benefit.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic structural view of an improved double beam lime kiln according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
in the figure: 001-a distributing device; 002-kiln body; 003-primary air main pipe; 004-primary air branch pipe;
005-combustion beam; 006-peripheral burners; 007-fuel manifold; 008-a main fuel pipe;
009-cone ash extractor; 010-a primary fan; 011-a secondary fan;
012-fume duct; 013-a bag-type dust remover; 014—smoke exhaust fan; 015—chimney; 016-a heat-conducting oil pipeline; 017 is a heat conducting oil pump group; 018—a heat sink; 019-a feeding system.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the improved double-beam lime kiln provided by the utility model comprises a kiln body 002 transformed from the existing mixed-firing kiln, wherein the top of the kiln body 002 is provided with a distributing device 001 connected with a feeding system 019; the inner cavity of the kiln body 002 is sequentially divided into a preheating zone, a calcining zone and a cooling zone from top to bottom, the top of the preheating zone is connected with a flue gas emission system, the calcining zone is provided with a combustion system, and a combustion beam 005 of the combustion system is connected with the cooling system; the middle part and the lower part of the kiln body 002 are connected with an air supply system, and the bottom of the kiln body 002 is provided with an ash discharging system.
In one embodiment of the present utility model, as shown in fig. 1-3, the combustion system includes a main fuel pipe 008, a fuel branch pipe 007, a plurality of combustion beams 005 and a plurality of peripheral burners 006, wherein the main fuel pipe 008 is connected to the burners on the plurality of combustion beams 005 through the fuel branch pipe 007 for delivering fuel into the combustion beams 005; the plurality of combustion beams 005 are arranged on the side wall of the kiln body 002 in parallel in an upper layer and a lower layer, and a plurality of peripheral burners 006 are symmetrically arranged on the two sides of the lower layer of the combustion beams 005. The range that adopts this structure can realize the multiple spot heat supply covers the whole cross section of lime kiln, guarantees the heat supply even through adjusting the distribution ratio of each nozzle, guarantees combustion efficiency through adjusting the air-fuel ratio to the low overburn rate and the high activity degree of lime have been guaranteed. The combustion system with the structure can not only use solid coal dust as fuel, but also can select gas, liquid and other energy sources with certain heat value to calcine lime.
As a preferable structure, as shown in fig. 2 and 3, the inner sections of the preheating zone and the cooling zone are circular, the inner section of the calcining zone is rectangular, and the four sides of the calcining zone are arc-shaped at the outward protruding position; the burning beams 005 are arranged along the width direction of the calcining zone, and a plurality of peripheral burning nozzles 006 are symmetrically arranged on the side walls of the kiln body 002 at the two short sides of the calcining zone. In this embodiment, the number of the combustion beams 005 is 5, the arrangement mode of the 5 combustion beams 005 is that the number of the upper layer is 3 and the number of the lower layer is 2, and the horizontal projection of the upper layer and the lower layer of the combustion beams 005 are uniformly distributed at equal intervals. Of course, the number of combustion beams can be specifically designed according to actual production.
Further optimizing the above-mentioned technical scheme, the burning beam 005 is the rectangle jacket structure of built-in nozzle, the conduction oil links to each other with cooling system in the jacket, cooling system includes conduction oil pipe 016, conduction oil pump group 017 and radiator 018 all set up on the conduction oil pipe 016, the both ends of conduction oil pipe 016 communicate with the exit of jacket respectively. Because the burning beam 005 is always in the high temperature lime calcination environment of about 1000 ℃, besides the heat-resistant material adopted by the material, the burning beam 005 is also cooled by the heat-conducting medium, and the heat-conducting oil in the heat-conducting oil pump group 017 and the heat pipe radiator 018 can be utilized to cool the burning beam, so that the service life of the burning beam is prolonged.
In one embodiment of the present utility model, as shown in fig. 1, the air supply system includes a primary air blower 010, a primary air main pipe 003, a primary air branch pipe 004 and a secondary air blower 011, wherein an air outlet of the primary air blower 010 is connected with the primary air main pipe 003, and the primary air main pipe 003 is connected with the peripheral burner 006 and the burners on the plurality of combustion beams 005 through the primary air branch pipe 004, and is used for conveying air into the kiln body 002 and the combustion beams 005; an air outlet of the secondary air fan 011 is arranged at the bottom of the kiln body 002. During specific operation, a plurality of oil immersed canvases prepared in advance are thrown into the kiln from an overhaul port at the top of the kiln body 002 after being ignited, whether the oil immersed canvases burn normally or not is observed a little, and if the oil immersed canvases do not go out, the primary air fan 010 is started at low frequency and a fuel supplier is informed to provide fuel gas. Combustion-supporting air is provided by a primary fan 010 and enters a combustion beam 005 and a peripheral burner 006 through a primary air main pipe 003 and a primary air branch pipe 004, and fuel enters the combustion beam 005 and the peripheral burner 006 through a fuel main pipe 008 and a fuel branch pipe 007. Under the flame of the combustion canvas in the kiln, the fuel sprayed by each combustion Liang Shaozui 005 and the peripheral burner 006 starts to burn, under the condition that the flame of the combustion beam 005 is normal and the discharge of the screw cone ash discharger 009 is stable, the secondary air blower 011 is started, the air provided by the secondary air blower moves upwards from the screw cone ash discharger 009 to pass through the high-temperature lime of the cooling belt and cool the lime, and the air after the temperature rise continues to move upwards to the calcination belt and supplements the combustion air required by the combustion of the fuel gas sprayed by the combustion beam 005. Under the driving pressure of the secondary air blower 011, the gas generated by decomposing the gas and limestone after combustion in the kiln uniformly rises and moves upwards, and the low-temperature limestone reaches a preheating zone and is heated, enters a bag-type dust remover 013 through a smoke exhaust pipeline 012, and is discharged to the outside through a smoke exhaust fan 014 and a chimney 015.
When the ash discharging system is specifically designed, the ash discharging system comprises a screw cone ash discharging machine 009, a star-shaped discharge valve and an ash discharging belt machine (not shown in the figure), wherein the star-shaped discharge valve is arranged above the outlet of the screw cone ash discharging machine 009 and the feeding end of the ash discharging belt machine; the secondary air blower 011 is connected with the bottom of the screw cone ash discharge machine 009 through a secondary air pipe, and is used for enabling air provided by the secondary air blower 011 to pass through a cooling belt to cool high-temperature lime and supplement combustion supporting in a calcining belt after temperature rising. Limestone sequentially passes through a preheating zone, a calcining zone and a cooling zone in the kiln body 002 from top to bottom, is burned into active lime, and finally is discharged out of the kiln body 002 through a screw cone ash discharger 009.
In a specific embodiment of the present utility model, as shown in fig. 1, the material distributing device 001 adopts a material cup sealing rotary material distributing device, and the material distributing device belongs to the prior art and is not described herein again; the feeding system 019 is arranged at one side of the kiln body 002 and is used for lifting limestone from the ground to the inlet of the distributing device 1. Wherein, charging system 019 comprises hoist engine 1, material loading dolly 2, hopper 3, steelframe inclined bridge 4 weigh, hopper 3 is used for loading the weighing to material loading dolly 2, hoist engine 1 sets up in one side of steelframe inclined bridge 4, drags material loading dolly 2 along steelframe inclined bridge 4 to the import of distributing device 1 through hoist engine 1's wire rope 5. The steel frame inclined bridge comprises a bracket for supporting the steel wire rope and a guide rail frame for sliding the feeding trolley. After the weighing hopper is used for loading materials into the feeding trolley, the winch is started to pull the feeding trolley to lift to the inlet of the distributing device along the steel frame inclined bridge, so that limestone feeding operation is completed.
In one embodiment of the present utility model, as shown in fig. 1, the flue gas exhaust system includes a flue gas duct 012, and a bag-type dust remover 013, a flue gas fan 014 and a chimney 015 which are disposed on the flue gas duct 012. And purifying the discharged flue gas by adopting a bag-type dust remover to realize standard discharge.
The following is a specific example of the present utility model:
the method comprises the steps that a positive pressure double-beam lime kiln is rebuilt by a mixed kiln, a fireproof heat-insulating layer of a kiln body 002 is built for a second time, the cross section of a calcination zone in the middle part is rebuilt into a quasi-rectangle, a primary air system consisting of a primary air fan 010, a primary air main pipe 003 and a primary air branch pipe 004 is newly added on the original system of the mixed kiln, a secondary air pipeline is the original system of the mixed kiln, a part of combustion air required by combustion in the combustion beam 005 is provided by the primary air fan, the missing part is supplemented by the secondary air fan, the secondary air drives the atmosphere in the kiln to move upwards as a whole, and the inside of the kiln is positive pressure; the original system of the mixed combustion kiln is newly provided with a combustion system consisting of a main fuel pipe 008, a branch fuel pipe 007, a fuel beam 005 and peripheral burners, and a smoke exhaust system consisting of a smoke exhaust pipeline 012, a bag-type dust remover 013, a smoke exhaust fan 014 and a chimney 015. In addition, the existing screw cone ash discharging machine is modified, and through installing the deviation preventing guard plate at the corresponding position of the edge of the existing screw cone ash discharging machine, the condition that the material in the kiln falls uniformly in the cross section range of the whole kiln body can be met, and the secondary air flow moves upwards smoothly.
Meanwhile, an existing automatic control system and a monitoring system of the electric instrument are modified according to the requirements of the systems, and safe production is guaranteed.
The application process of the modified double-beam lime kiln is as follows:
limestone is filled from the screw cone ash extractor 009 at the bottom of the kiln body 002 to a position about 300mm below the bottom surface of the lower combustion beam 005, and feeding is suspended at this time. After a plurality of oil immersed canvases prepared in advance are ignited, the oil immersed canvases are thrown into the kiln from an overhaul port at the top of the kiln body 002, whether the oil immersed canvases burn normally or not is observed a little, and if the oil immersed canvases do not go out, the primary fan 010 is started at low frequency and a fuel supplier is informed to provide fuel gas. Combustion-supporting air is provided by a primary fan 010 and enters a combustion beam 005 and a peripheral burner 006 through a primary air main pipe 003 and a primary air branch pipe 004, and fuel enters the combustion beam 005 and the peripheral burner 006 through a fuel main pipe 008 and a fuel branch pipe 007. Under the flame of the canvas in the kiln, the fuel sprayed by each combustion beam burner and the peripheral burner starts to burn, and after all the burners are confirmed to be ignited, the limestone is continuously filled above a preheating zone of the kiln body 002, and in the process, a small amount of material is discharged to the outside of the kiln by the screw cone ash discharger 009 according to the set time.
Under the conditions that the flame of the combustion beam 005 is normal and the discharge of the screw cone ash discharger 009 is stable, the secondary air blower 011 is started, air provided by the secondary air blower 011 moves upwards from the screw cone ash discharger 009 to pass through the high-temperature lime of the cooling zone and cool the high-temperature lime, and the air after the temperature rise continues to move upwards to the calcining zone and supplements combustion air required by the combustion of fuel gas sprayed by the combustion beam 005. Under the driving pressure of the secondary air blower 011, the gas generated by decomposing the gas and limestone after combustion in the kiln uniformly rises and moves upwards, and the low-temperature limestone reaches a preheating zone and is heated, enters the bag-type dust remover 013 through a smoke exhaust pipeline 012 and is discharged to the outside through a smoke exhaust fan 014 and a chimney 015.
Limestone sequentially passes through a preheating zone, a calcining zone and a cooling zone in the kiln body 002 from top to bottom, is burned into active lime, and finally is discharged out of the kiln body 002 through a screw cone ash discharger 009.
In summary, the pressure in the kiln is higher than that of the kiln outside, the pressure in the traditional double-beam kiln is generally slightly negative, the lime calcination environment in the kiln is positive pressure, and the installation positions of all the equipment on the kiln body 002 are ensured to be sealed completely, so that the phenomena of flaming and air leakage do not occur; the safety and stability of the calcined lime are ensured by reasonably controlling the primary air, the secondary air, the fuel supply amount and the smoke exhaust fan. The utility model is transformed from the mixed kiln into the double-beam lime kiln, realizes the effect of producing active lime by calcining limestone in the double-beam kiln, enriches fuel types, can reduce energy consumption, improve product quality, reduce equipment investment, prolong the technical life and increase economic benefit. The utility model is especially suitable for reconstruction on the basis of the existing mixed-firing mechanical lime shaft kiln, can fully utilize the existing resources, saves construction investment and increases the economic benefit of enterprises.
In the foregoing description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed above.
Claims (10)
1. An improved double-beam lime kiln which is characterized in that: the kiln comprises a kiln body reformed by an existing mixed firing kiln, wherein a material distributing device connected with a material feeding system is arranged at the top of the kiln body; the inner cavity of the kiln body is sequentially divided into a preheating zone, a calcining zone and a cooling zone from top to bottom, the top of the preheating zone is connected with a flue gas emission system, the calcining zone is provided with a combustion system, and a combustion beam of the combustion system is connected with the cooling system; the middle part and the lower part of the kiln body are connected with an air supply system, and the bottom of the kiln body is provided with an ash discharging system.
2. An improved double beam lime kiln according to claim 1, wherein: the combustion system comprises a fuel main pipe, a fuel branch pipe, a plurality of combustion beams and a plurality of peripheral burners, wherein the fuel main pipe is connected with the burners on the plurality of combustion beams through the fuel branch pipe and is used for conveying fuel into the combustion beams; the plurality of combustion beams are divided into an upper layer and a lower layer which are arranged on the side wall of the kiln body in parallel, and a plurality of peripheral burners are symmetrically arranged on two sides of the lower layer of combustion beams.
3. An improved double beam lime kiln according to claim 2, wherein: the inner sections of the preheating zone and the cooling zone are circular, the inner section of the calcining zone is rectangular, and the four sides of the calcining zone are arc-shaped outwards protruding parts; the burning beams are arranged along the width direction of the calcining zone, and a plurality of peripheral burning nozzles are symmetrically arranged on the side walls of the kiln body at the two short sides of the calcining zone.
4. An improved double beam lime kiln according to claim 2, wherein: the number of the combustion beams is 5, the arrangement mode of the 5 combustion beams is that the number of the upper layer is 3, the number of the lower layer is 2, and the horizontal projection of the upper layer and the lower layer of the combustion beams are uniformly distributed at equal intervals.
5. An improved double beam lime kiln according to claim 2, wherein: the combustion beam is of a rectangular jacket structure with a burner arranged inside, heat conduction oil in the jacket is connected with a cooling system, the cooling system comprises a heat conduction oil pipeline, a heat conduction oil pump set and a radiator, the heat conduction oil pump set and the radiator are arranged on the heat conduction oil pipeline, and two ends of the heat conduction oil pipeline are respectively communicated with an inlet and an outlet of the jacket.
6. An improved double beam lime kiln according to claim 2, wherein: the air supply system comprises a primary fan, a primary air main pipe, a primary air branch pipe and a secondary fan, wherein an air outlet of the primary fan is connected with the primary air main pipe, and the primary air main pipe is connected with peripheral burners and burners on a plurality of combustion beams through the primary air branch pipe and is used for conveying air into the kiln body and the combustion beams; and an air outlet of the secondary air blower is arranged at the bottom of the kiln body.
7. An improved dual beam lime kiln according to claim 6, wherein: the ash discharging system comprises a screw cone ash discharging machine, a star-shaped discharge valve and an ash discharging belt conveyor, wherein the star-shaped discharge valve is arranged above an outlet of the screw cone ash discharging machine and a feeding end of the ash discharging belt conveyor; the secondary air blower is connected with the bottom of the screw cone ash discharging machine through a secondary air pipe and is used for enabling air provided by the secondary air blower to pass through the cooling belt to cool high-temperature lime and supplement combustion supporting in the calcining belt after temperature rising.
8. An improved double beam lime kiln according to claim 1, wherein: the material distributing device is a material cup sealing rotary material distributing device; the feeding system is arranged on one side of the kiln body and is used for lifting limestone from the ground to an inlet of the distributing device.
9. An improved dual beam lime kiln according to claim 8, wherein: the feeding system comprises a winch, a feeding trolley, a weighing hopper and a steel frame inclined bridge, wherein the weighing hopper is used for weighing the material in the feeding trolley, the winch is arranged on one side of the steel frame inclined bridge, and the steel wire rope of the winch drags the feeding trolley to lift to an inlet of the material distributing device along the steel frame inclined bridge.
10. An improved double beam lime kiln according to any one of claims 1-9, wherein: the flue gas emission system comprises a flue gas exhaust pipeline, a bag-type dust remover arranged on the flue gas exhaust pipeline, a flue gas exhaust fan and a chimney.
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| CN202320147616.6U CN218931987U (en) | 2023-02-08 | 2023-02-08 | Improved double-beam lime kiln |
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| CN202320147616.6U CN218931987U (en) | 2023-02-08 | 2023-02-08 | Improved double-beam lime kiln |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117361902A (en) * | 2023-12-05 | 2024-01-09 | 河北欧顺金科技有限公司 | Calcium oxide production device |
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2023
- 2023-02-08 CN CN202320147616.6U patent/CN218931987U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117361902A (en) * | 2023-12-05 | 2024-01-09 | 河北欧顺金科技有限公司 | Calcium oxide production device |
| CN117361902B (en) * | 2023-12-05 | 2024-02-13 | 河北欧顺金科技有限公司 | Calcium oxide production device |
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