CN201724219U - Burning girder for calcining material - Google Patents
Burning girder for calcining material Download PDFInfo
- Publication number
- CN201724219U CN201724219U CN2009202542574U CN200920254257U CN201724219U CN 201724219 U CN201724219 U CN 201724219U CN 2009202542574 U CN2009202542574 U CN 2009202542574U CN 200920254257 U CN200920254257 U CN 200920254257U CN 201724219 U CN201724219 U CN 201724219U
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- Prior art keywords
- air
- burning
- fuel
- burner
- girder body
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- Expired - Lifetime
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- 238000001354 calcination Methods 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 title claims abstract description 21
- 239000000446 fuel Substances 0.000 claims abstract description 72
- 239000002826 coolant Substances 0.000 claims abstract description 14
- 238000002485 combustion reaction Methods 0.000 abstract description 31
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000013021 overheating Methods 0.000 abstract 1
- 238000005192 partition Methods 0.000 abstract 1
- 235000019738 Limestone Nutrition 0.000 description 8
- 239000006028 limestone Substances 0.000 description 8
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 6
- 235000011941 Tilia x europaea Nutrition 0.000 description 6
- 239000004571 lime Substances 0.000 description 6
- 239000002737 fuel gas Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000876852 Scorias Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 210000004744 fore-foot Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides a burning girder for calcining material, which comprises a girder body, wherein a fuel pipeline and an air passage are arranged in the girder body, burner nozzles are arranged on two sides of the girder body, each burner nozzle comprises a fuel injection nozzle and an air outlet, air ports are arranged at the lower part of the girder body, the interior of the girder body is divided into an upper air passage and a lower air passage by a partition board, the upper air passage is communicated with the air outlets of the burner nozzles, and the lower air passage is communicated with the air ports.All or a part of outgoing supplementary combustion air is ejected out through the air ports at the lower part of the girder body and is uniformly dispersed to be mixed and combusted with air, thereby facilitating the distribution of fuel and the combustion air, reducing the local combustion intensity at the outlets of the burner nozzles, calcining products more uniformly, preventing parts of the products from being overburned or underburned, and improving the product quality. A cavity, through which cooling medium can pass, is arranged in the girder body, and by cooling down the girder body with the cooling medium, the girder body and equipment within the girder body can be prevented from damage due to overheating.
Description
Technical field
The utility model belongs to the combustion apparatus technical field, relates to the calcining materials burning beam that a kind of fuel evenly burns in kiln specifically.
Background technology
With beam-type limekiln section scoria lime stone is the new technology that lime is produced.Beam-type limekiln has advantages such as energy consumption is low, the lime product quality is good, production capacity is strong, operating flexibility is big, is widely used in the lime production of 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, evenly distribute fuel and burning of fuel conduit and combustion-aid air pipe road direction burner transfer the fuel and combustion air, burner.The applicant's number of patent application is 200320111077.3, and the utility model patent that name is called " interior external heating type limestone kiln " provides the technical scheme of burning beam-type limekiln.The applicant is 200820078007.5 at another part application number, and name is called the structure of having introduced several beam bodies in the utility application of " a kind of kiln of lime calcining ".
In the calcination process, fuel and combustion air are at ejection of the exit of burning beam burner and burning, calcined limestone material.Because flame concentrates on the burner place in the calcining, makes burner forefoot area temperature too high, causes lime stone burning, sintering, lime product is active to be reduced; And away from the zone of flame, temperature is on the low side, causes lime stone to give birth to easily and burns, and the quality of lime product reduces.In addition by with burning beam burner exit flame intensity height, burn out the "T"-shaped head of burning beam easily, cause faults such as burning beam leakage of oil, be forced to shut-down (breakdown) mainteance or change burning beam, influence ordinary production, increase equipment input and recondition expense.
Summary of the invention
For overcoming the deficiencies in the prior art, the utility model provides a kind of calcining materials burning beam, and burning, combustion intensity can be controlled, and avoids burning or gives birth to and burn, and improves the quality of calcining effect and calcination product.
The burning beam that the calcining materials that the utility model provides is used, constitute by the beam body, be provided with fuel conduit and air duct in the beam body, fuel conduit passes in air duct, the both sides of beam body are respectively equipped with 5～20 burners, and burner comprises fuel nozzle and air outlet slit, and air outlet slit is the gap around the fuel nozzle, air duct is communicated with air outlet slit, and fuel conduit is connected to fuel nozzle.The bottom of beam body is provided with 5～20 air ports, and air port is communicated with air duct.
As preferred version, air duct is divided into upper and lower two air ducts by dividing plate, and fuel conduit passes in the upper air passage, and the air duct on top is communicated with the air outlet slit of burner, and the air duct of bottom is communicated with air port.
Another selection scheme of the utility model is, fuel conduit is two, and two fuel conduits are fixed with fixture, are installed in the air duct, and each fuel conduit is connected to the fuel nozzle of homonymy burner.
Burning beam is "T"-shaped burning beam, is provided with the cavity of cooling medium circulation in the beam body, and used cooling medium is water or conduction oil.The beam external body of burning beam is equipped with the wear resistant heat preserving layer.Fuel conduit is box-shaped body or tubular body structure.For ease of controlling the tolerance of a burner, adopt fuel to enter burner along separate routes, during this kind situation, be provided with 10～40 tubular body fuel conduits in the burning beam beam body, the corresponding burner of every road cartridge.
In the calcination process, fuel and combustion air burn from the burner ejection, from the additional combustion air of burning beam bottom air port ejection, disperse upwards to flow under the swabbing action of kiln body internal upper part suction bar, participate in combustion-supporting.The pressure of control upper air passage is lower than the pressure of bottom air duct, makes from the air capacity of burner ejection to be lower than the desired theoretical value of burning, and the part unburned fuel replenishes the combustion-supporting completing combustion down of combustion air in the bottom.Or select air only from the ejection of burning beam bottom air port, and the upper air passage does not advance air, and air contacts with fuel gas and burns after the combustion zone disperses.Making burns in the kiln combustion zone can control, calcine evenly.
Compared with prior art, the utility model is by being provided with air port in the burning beam bottom, can select the part combustion air to spray from the bottom air port, also can select whole air from the ejection of bottom air port, make air evenly disperse afterwards to mix and burn, improve the degree of scatter of burning with air, reduce the combustion intensity of part, burner exit, improve the uniformity of calcination product, reduce and avoid local burning and give birth to and burn, improve the quality of products.Be provided with the cavity that cooling medium passes through between the inner and outer wall of beam body, use cooling medium cooling beam body, avoid apparatus overheat damage in beam body and the beam body.The beam external body of burning beam is equipped with the wear resistant heat preserving layer, avoids the interior high temperature of kiln to burn out beam body and mobile material combustion abrasion and damage beam body, improves the high temperature resistant and anti-wear performance of burning beam, in the service life of prolongation burning beam, helps the safe operation of kiln long period.
Description of drawings
Fig. 1 is the structural representation of the utility model calcining materials with burning beam;
Fig. 2 is the structural representation of the utility model another program;
Fig. 3 is the structural representation of double fuel pipeline burning beam;
Fig. 4 is the structural representation of double fuel pipeline burning beam another program;
Fig. 5 is the burning beam structural representation that has the wear resistant heat preserving layer;
Fig. 6 is the burning beam another program structural representation that has the wear resistant heat preserving layer.
Wherein:
Cavity, 3-burner, 4-fuel nozzle, 5-fuel conduit, 6,9-air duct, 7-air port, 8-dividing plate, 10-wear resistant heat preserving layer, the 11-set bolt of 1-beam body, the circulation of 2-cooling medium.12-fixture, 13-support.
The specific embodiment
Below in conjunction with embodiment the utility model is further described.
Embodiment 1
The utility model calcining materials is made of beam body 1 with burning beam as shown in Figure 1, is "T"-shaped beam, is provided with fuel conduit 5 and air duct 6 in the beam body.Fuel conduit is a box-shaped body, passes in air duct.The both sides of beam body are respectively equipped with 10 burners 3, and burner comprises fuel nozzle 4 and air outlet slit, and air outlet slit is the gap around the fuel nozzle, and air duct is communicated with air outlet slit, and fuel conduit is connected to fuel nozzle.The bottom of beam body is provided with 10 air ports 7, and air port is communicated with air duct.Be provided with the cavity 2 of cooling medium circulation between the inner and outer wall of burning beam beam body, the cooling medium that uses is conduction oil.
The combustion process of burning beam is, the fuel conduit of fuel gas in connecting line enters burning beam body 1, and fuel nozzle 4 ejections by burner 3 respectively.Combustion air enters air duct 6, and the air outlet slit by burner enters kiln.Gaseous fuel and combustion air mix in the burner exit, burning, emit heat, the calcined limestone material.From the additional combustion air of burning beam bottom air port 7 ejection, under the swabbing action of kiln body internal upper part suction bar, disperse upwards to flow, burn away with imperfect combustion fuel.
Another embodiment of the present utility model as shown in Figure 2, air duct is divided into upper and lower two air ducts 6,9 by dividing plate 8, fuel conduit 5 passes from upper air passage 6.The both sides of beam body are respectively equipped with 10 burners 3, and burner comprises fuel nozzle 4 and air outlet slit, and fuel conduit is connected to fuel nozzle, and upper air passage 8 is communicated to air outlet slit.The bottom of beam body is provided with 10 air ports 7, and air port is communicated with the air duct 9 of bottom.Be provided with the cavity 2 of cooling medium circulation between the inner and outer wall of burning beam beam body, the cooling medium that uses is conduction oil.
The combustion process of burning beam is, the fuel conduit of fuel gas in connecting line enters burning beam body 1, and fuel nozzle 4 ejections by burner 3 respectively.Combustion air enters air duct 6, and the air outlet slit by burner enters kiln.Gaseous fuel and combustion air mix in the burner exit, burning, emit heat, the calcined limestone material.From the additional combustion air of burning beam bottom air port 7 ejection, under the swabbing action of kiln body internal upper part suction bar, disperse upwards to flow, burn away with imperfect combustion fuel.Control the pressure that the pressure that enters upper air passage 6 is lower than bottom air duct 9, make from the air capacity of burner ejection and be lower than the desired theoretical value of burning, unburned fuel mixes with the additional combustion air of bottom air port ejection and burns, to reduce the intensity of burner exit fuel burning burning, improve the uniformity of calcination product.
Can select in the operation, air only enters bottom air duct 9, from the ejection of bottom air port, and the upwards fuel mix of dispersion flows and burner ejection and burning, the progressive degree of scatter that improves burning.
An embodiment more of the present utility model such as Fig. 5, shown in Figure 6, wear resistant heat preserving layer 10 is equipped with in the top of described beam body 1 and two sides, and described wear resistant heat preserving layer is fixed on the outer wall of beam body with set bolt 11.Other structure is identical with embodiment 1 or embodiment 2, repeats no more.The burning beam beam body of wear resistant heat preserving layer is housed, can improves the resistance to elevated temperatures and the anti-wear performance of burning beam, prolong the service life of burning beam.
Fig. 3 is the utility model double fuel pipeline burning beam, be provided with two fuel conduits 5 in the beam body, fuel conduit is a rectangular box shape body structure, two fuel conduits are fixedly mounted in the air duct with fixture 12, fixture supports with support 13, each fuel conduit is connected to the burner of homonymy, and the fuel nozzle of burner is an extended type, inserts the burner mouth.Be provided with the cavity 2 of cooling medium circulation between the inner and outer wall of burning beam beam body, the cooling medium that uses is water.
The combustion process of burning beam is that fuel gas is gone into burning beam body 1 interior two fuel conduits 5 simultaneously through kiln external body connecting line, by extended type fuel nozzle 4 ejections of the corresponding burner 3 of each fuel conduit.Combustion air enters kiln by the air outlet slit of burner.Gaseous fuel and combustion air mix in the burner exit, burning, emit heat, the calcined limestone material.
Burning beam shown in Figure 4 is to improve on Fig. 3 basis, add in the air duct dividing plate 8 with part in the beam body upper and lower be two air ducts, two fuel conduits 5 pass from upper air passage 6, the air duct 9 of bottom is communicated with air port 7.Other structure is identical with Fig. 3, and the method for operation is identical with embodiment 2, repeats no more.
Claims (8)
1. burning beam that calcining materials is used, constitute by beam body (1), be provided with fuel conduit (5) and air duct (6) in the beam body, fuel conduit passes in air duct, and the both sides of beam body are respectively equipped with 5～20 burners (3), and burner comprises fuel nozzle (4) and air outlet slit, air duct is communicated with air outlet slit, fuel conduit is connected to fuel nozzle, it is characterized in that: the bottom of described beam body is provided with 5～20 air ports (7), and air port is communicated with air duct.
2. the burning beam of using according to the described calcining materials of claim 1, it is characterized in that: described air duct is divided into upper and lower two air ducts (6,9) by dividing plate (8), the air duct on top (6) is communicated with the air outlet slit of burner, and the air duct of bottom (9) is communicated with air port.
3. the burning beam of using according to claim 1 or 2 described calcining materials is characterized in that: the cavity (2) that is provided with the cooling medium circulation between the inner and outer wall of described burning beam beam body (1).
4. the burning beam of using according to the described calcining materials of claim 3, it is characterized in that: described burning beam is "T"-shaped burning beam.
5. the burning beam of using according to the described calcining materials of claim 4, it is characterized in that: wear resistant heat preserving layer (10) is equipped with in beam body (1) outside of described burning beam.
6. the burning beam of using according to the described calcining materials of claim 4, it is characterized in that: described fuel conduit is box-shaped body or tubular body structure.
7. the burning beam of using according to the described calcining materials of claim 4 is characterized in that: be provided with 10～40 tubular body fuel conduits in the described burning beam body, the corresponding burner of every road cartridge.
8. the burning beam of using according to the described calcining materials of claim 4, it is characterized in that: described fuel conduit is two, and two fuel conduits are fixing with fixtures (12), are installed in the air duct, and each fuel conduit is connected to the fuel nozzle of homonymy burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202542574U CN201724219U (en) | 2009-11-02 | 2009-11-02 | Burning girder for calcining material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202542574U CN201724219U (en) | 2009-11-02 | 2009-11-02 | Burning girder for calcining material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201724219U true CN201724219U (en) | 2011-01-26 |
Family
ID=43492555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202542574U Expired - Lifetime CN201724219U (en) | 2009-11-02 | 2009-11-02 | Burning girder for calcining material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201724219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922616A (en) * | 2014-03-14 | 2014-07-16 | 石家庄奋进科技有限公司 | Steel-refractory material composite heat insulation type combustion beam |
-
2009
- 2009-11-02 CN CN2009202542574U patent/CN201724219U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922616A (en) * | 2014-03-14 | 2014-07-16 | 石家庄奋进科技有限公司 | Steel-refractory material composite heat insulation type combustion beam |
| CN103922616B (en) * | 2014-03-14 | 2015-09-09 | 石家庄奋进科技有限公司 | A kind of steel and refractory materials composite adiabatic formula burning beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: Li Zhimin Document name: Notification that Entitlement to Patent Deemed Abandoned |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHIJIAZHUANG XINHUA ENERGY ENVIRONMENTAL TECHNOLOG Free format text: FORMER OWNER: JIA HUIPING Effective date: 20130118 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 050091 SHIJIAZHUANG, HEBEI PROVINCE TO: 051431 SHIJIAZHUANG, HEBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130118 Address after: 051431 Hebei city of Shijiazhuang province Luancheng douyu town equipment manufacturing base of Xinhua Road No. 6 (douyu West Middle School) Patentee after: Shijiazhuang Xinhua Energy and Environmental Protection Technology Co., Ltd. Address before: 050091 Hebei city of Shijiazhuang Province in the South Street Palace Road No. 88 Patentee before: Jia Huiping |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110126 |
|
| CX01 | Expiry of patent term |