CN105859161A - Heat insulation combustion beam for lime kiln - Google Patents
Heat insulation combustion beam for lime kiln Download PDFInfo
- Publication number
- CN105859161A CN105859161A CN201610320095.4A CN201610320095A CN105859161A CN 105859161 A CN105859161 A CN 105859161A CN 201610320095 A CN201610320095 A CN 201610320095A CN 105859161 A CN105859161 A CN 105859161A
- Authority
- CN
- China
- Prior art keywords
- beam body
- heat insulation
- heat
- backplate
- insulation layer
- 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.)
- Granted
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/10—Preheating, burning calcining or cooling
-
- 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
Abstract
The invention relates to a heat insulation combustion beam for a lime kiln. The heat insulation combustion beam comprises a beam body, an air passage and a fuel pipeline are arranged in the beam body, and the fuel pipeline penetrates through the air passage. The combustion beam is a rectangular beam, T-shaped beam or an F-shaped beam. A burner is arranged on the lower part and/or lateral surface of the beam body, and is communicated with the air passage and the fuel pipeline. A protective plate and a heat insulation layer are arranged outside the beam body, the outer side of the beam body is coated with the heat insulation layer, and the outer side of the heat insulation layer is wrapped by the protective plate. The heat insulation layer is a heat insulation material layer or a heat insulation coating. According to the heat insulation combustion beam for the lime kiln, the outer side of the beam body is coated with the heat insulation layer, and the outer side of the heat insulation layer is wrapped by the protective plate, so that external transfer of heat through the beam body and a heat-conducting oil system is effectively reduced, and heat loss of the lime kiln and lime production cost are reduced.
Description
Technical field
The invention belongs to technical field of combustion equipment, relate to a kind of burning beam, be specifically related to a kind of limekiln adiabatic combustion beam.
Background technology
It is the common technology of lime production with beam-type limekiln calcined limestone.Beam-type limekiln has the advantages such as energy consumption is low, lime product quality is good, production capacity is strong, operating flexibility is big, is widely used in the lime production of the purposes such as metallurgy, chemical industry.Burning beam is the nucleus equipment of beam-type limekiln, and the beam body of burning beam is provided with burner, fuel conduit and combustion air pipeline, fuel conduit and combustion-aid air pipe road direction burner conveying fuel and combustion air, and burner is uniformly distributed fuel and burns.
Beam type kiln technology is that world's lime production industry is made that great contribution, but the thermal losses that the key problem that the most always annoying its technological progress is burning beam is not well solved.Heat in kiln thorax is delivered to Heat-conduction oil circulation system by steel construction beam body, then transfers heat to outside, therefore adds the thermal loss in limekiln and the cost of lime production.It addition, limekiln is in calcination process, beam body works under thermal-flame for a long time and is washed away by descending material, denude, and easily causes beam body and burns out and denude damage, spills conduction oil, causes shut-down (breakdown) mainteance or changes burning beam, and impact is normal to be produced.
Summary of the invention
It is an object of the invention to provide a kind of limekiln adiabatic combustion beam, to reduce the thermal loss of burning beam, reduce limekiln energy consumption and lime production cost, extend the service life of burning beam.
The technical scheme is that limekiln adiabatic combustion beam, including beam body, be provided with air duct and fuel conduit in beam body, fuel conduit passes from air pipe line.The bottom of beam body and/or side are provided with burner, and air duct connects with burner with fuel conduit.The outside of beam body is provided with backplate and heat insulation layer, and heat insulation layer is painted on the outside of beam body, and backplate is coated on the outside of heat insulation layer.Heat insulation layer is insulation material layer or heat insulating coating.
Burning beam is rectangular beam, T ellbeam or F ellbeam, and the beam body of described T ellbeam is provided with T shape head, and the beam body top of F ellbeam is provided with F shape head.The material of backplate is rustless steel, heat-resisting alloy steel or Cr25Ni20 steel.The adiabator of insulation material layer is fiber felt, flame-retardant fibre board or lightening casting material, and heat insulating coating is ceramic coating, nano-material coating or composite heat insulating coating.Beam body is provided with cooling medium circulation cavity, and cooling medium circulation cavity is connected with Heat-conduction oil circulation system by conduction oil entrance and conduction oil outlet.Being provided with bridge crossing plate between backplate and beam body, the two ends of bridge crossing plate are connected with beam body and backplate, and the material of bridge crossing plate is ordinary carbon steel or rustless steel.The structure that primarily serves the purpose of of bridge crossing plate supports and heat conduction, makes backplate temperature reduce.
The limekiln of the present invention adiabatic combustion beam external coating heat insulation layer by beam body, the outside cladding backplate of heat insulation layer, effectively reduce and outwards transmit heat by beam body and heat-conducting oil system, reduce the thermal loss in limekiln and the cost of lime production, be conducive to extending service life and the production cycle in limekiln of burning beam, improve the economic benefit of enterprise.
Accompanying drawing explanation
The structural representation of a kind of limekiln of Fig. 1 present invention adiabatic combustion beam；
Fig. 2 is the A-A figure of Fig. 1；
Fig. 3 is the structural representation of another embodiment of the present invention；
Fig. 4 is the structural representation of the third mode of the present invention；
Fig. 5 is the structural representation of the 4th kind of mode of the present invention.
Wherein: 1 backplate, 2 insulation material layers, 3 air ducts, 4 burners, 5 beam body, 6 conduction oil outlets, 7 conduction oil entrances, 8 bridge crossing plates, 9 fuel conduits, 10 heat insulating coatings, 11 cooling medium circulation cavitys.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in detail.Scope is not limited to embodiment, and those skilled in the art make any change in the range of claim limits and fall within the scope of protection of the invention.
Embodiment 1
Limekiln of the present invention adiabatic combustion beam is rectangle burning beam as shown in Figure 1 and Figure 2, including beam body 5, is provided with air duct 3 and fuel conduit 9 in beam body, and fuel conduit passes from air pipe line.The bottom of beam body is provided with burner 4, and air duct connects with burner with fuel conduit.Beam body is provided with cooling medium circulation cavity 11, and cooling medium circulation cavity is connected with Heat-conduction oil circulation system, by conduction oil circulating cooling beam body by conduction oil entrance 7 and conduction oil outlet 6.The outside of beam body is provided with backplate 1, insulation material layer 2 and heat insulating coating 10, and the material of backplate is corrosion resistant plate, and the adiabator of insulation material layer is fiber felt, and the material of heat insulating coating is nano-material coating.Fiber felt is contained in the outside of beam body, and rustless steel backplate is coated on the outside of heat insulation layer.Backplate and heat insulation layer are coated with the top of beam body, two sides and bottom surface completely.Being provided with bridge crossing plate 8 between backplate 1 and beam body, the two ends of bridge crossing plate are welded with beam body and backplate, and the material of bridge crossing plate is rustless steel.The structure that primarily serves the purpose of of bridge crossing plate supports and heat conduction, makes backplate temperature reduce.
Embodiment 2
Another embodiment of the present invention is illustrated in figure 3 rectangle burning beam, the outside of beam body is provided with backplate 1, insulation material layer 2 and heat insulating coating 10, the material of backplate is Cr25Ni20 steel, and the adiabator of insulation material layer is flame-retardant fibre board, and the material of heat insulating coating is composite heat insulating coating.Backplate and insulation material layer the cladding top of beam body, two sides, the bottom surface of beam body is naked state.Other is same as in Example 1.
Embodiment 3
The third embodiment of the present invention is illustrated in figure 4 T shape burning beam, and T shape burning beam includes beam body T shape head and beam body 5.The both sides of beam body are provided with burner 4, and air duct connects with burner with fuel conduit.The outside of T shape head and beam body is provided with backplate 1 and insulation material layer 2, and the material of backplate is 310S, and the adiabator of insulation material layer is lightening casting material.Backplate and the insulation material layer cladding top of beam body, two sides and bottom surface.Other is same as in Example 1.
Embodiment 4
The 4th kind of embodiment of the present invention is illustrated in figure 5 rectangle burning beam, and the bottom of beam body is provided with burner 4, and air duct connects with burner with fuel conduit.Beam body is provided with cooling medium circulation cavity 11, and cooling medium circulation cavity is connected with Heat-conduction oil circulation system by conduction oil entrance 7 and conduction oil outlet 6, cools down beam body.The outside of beam body is provided with backplate 1 and heat insulating coating 10, and the material of backplate is heat-resisting alloy steel plate, and heat insulating coating is ceramic coating.Ceramic coating is painted on the outside of beam body, and heat-resisting alloy steel plate backplate is coated on the outside of heat insulating coating.Backplate and heat insulating coating the cladding top of beam body, two sides, the bottom surface of beam body is naked state.Other is same as in Example 1.
Claims (5)
1. a limekiln adiabatic combustion beam, including beam body (5), air duct (3) and fuel conduit (9) it is provided with in beam body, fuel conduit passes from air pipe line, the bottom of beam body and/or side are provided with burner (4), and described air duct connects with burner with fuel conduit, it is characterized in that: the outside of described beam body is provided with backplate (1) and heat insulation layer, described heat insulation layer is painted on the outside of beam body, and described backplate is coated on the outside of heat insulation layer；Described heat insulation layer is insulation material layer (2) and/or heat insulating coating (10).
Limekiln the most according to claim 1 adiabatic combustion beam, is characterized in that: described burning beam is rectangular beam, T ellbeam or F ellbeam, and the beam body of described T ellbeam is provided with T shape head, and the beam body top of F ellbeam is provided with F shape head.
Limekiln the most according to claim 1 adiabatic combustion beam, is characterized in that: the material of described backplate (1) is rustless steel, heat-resisting alloy steel or Cr25Ni20 steel；The adiabator of described insulation material layer is fiber felt, flame-retardant fibre board or lightening casting material, and described heat insulating coating is ceramic coating, nano-material coating or composite heat insulating coating.
Limekiln the most according to claim 1 adiabatic combustion beam, it is characterized in that: described beam body (5) is provided with cooling medium circulation cavity (11), described cooling medium circulation cavity is connected with Heat-conduction oil circulation system by conduction oil entrance (7) and conduction oil outlet (6).
Limekiln the most according to claim 1 adiabatic combustion beam, is characterized in that: be provided with bridge crossing plate (8) between described backplate (1) and beam body, and the two ends of bridge crossing plate are connected with beam body and backplate, and the material of bridge crossing plate is ordinary carbon steel or rustless steel；The structure that primarily serves the purpose of of bridge crossing plate supports and heat conduction, makes backplate temperature reduce.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610320095.4A CN105859161B (en) | 2016-05-16 | 2016-05-16 | A kind of limekiln adiabatic combustion beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610320095.4A CN105859161B (en) | 2016-05-16 | 2016-05-16 | A kind of limekiln adiabatic combustion beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105859161A true CN105859161A (en) | 2016-08-17 |
| CN105859161B CN105859161B (en) | 2018-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610320095.4A Active CN105859161B (en) | 2016-05-16 | 2016-05-16 | A kind of limekiln adiabatic combustion beam |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201626917U (en) * | 2010-01-19 | 2010-11-10 | 杨霞 | Combustion beam for lime kiln |
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2016
- 2016-05-16 CN CN201610320095.4A patent/CN105859161B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201626917U (en) * | 2010-01-19 | 2010-11-10 | 杨霞 | Combustion beam for lime kiln |
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| CN105859161B (en) | 2018-06-22 |
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