CN207512080U - A kind of gas burns the gas directing system of double-hearth lime kiln - Google Patents
A kind of gas burns the gas directing system of double-hearth lime kiln Download PDFInfo
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- CN207512080U CN207512080U CN201721221496.0U CN201721221496U CN207512080U CN 207512080 U CN207512080 U CN 207512080U CN 201721221496 U CN201721221496 U CN 201721221496U CN 207512080 U CN207512080 U CN 207512080U
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- gas
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- thorax
- endless tube
- kiln thorax
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Abstract
The utility model discloses the gas directing systems that a kind of gas burns double-hearth lime kiln, including the first kiln thorax and the second kiln thorax, first endless tube there are one being respectively provided on the external wall of thorax of first kiln thorax and the second kiln thorax, gas piping is connected on first endless tube, cooling wind pipeline and nitrogen pipeline, gas piping, cooling wind pipeline and nitrogen pipeline are connected with first endless tube, multiple gun hoses are connected on first endless tube, the multiple and corresponding spray gun of the gun hose is respectively connected on the inner wall of the thorax body of first kiln thorax and the second kiln thorax, spray gun is connected with gun hose, gas compressor is also associated on gas piping, check-valves is respectively connected on gas piping and cooling wind pipeline.The utility model is simple in structure, has saved the use cost and maintenance cost of kiln thorax, while has saved purge gas usage amount, and purging effect is good, and process concatenation is simpler, greatly reduces the interlocking point of technique, and technology controlling and process of being more convenient for improves production efficiency.
Description
Technical field
The utility model is related to calciner technical fields, and in particular to a kind of gas burns the gas directing system of double-hearth lime kiln.
Background technology
Gas burn double-hearth lime kiln just using the gas with certain calorific value such as natural gas, blast furnace gas, liquefied petroleum gas come
The limekiln of lime burning, the process of lime burning be by pipeline by fuel gas transmission to limekiln, it is strong through limekiln bottom
After system ventilation, preheating, calcining cooling, lime is uniformly unloaded outside kiln discharge through ash-discharging device under kiln.
Existing gas is burnt is designed with two-way endless tube on each kiln thorax ontology of double-hearth lime kiln, is spray gun cooling wind respectively
Endless tube and coal gas endless tube, if two kiln thoraxes of double-hearth lime kiln are respectively kiln thorax A and kiln thorax B, when having gas-fired in kiln thorax A
When, the coal gas endless tube of kiln thorax A has coal gas, and the spray gun cooling wind endless tube of kiln thorax A does not have cooling wind to be passed through, at this time another kiln thorax B
Spray gun cooling wind endless tube there is cold wind to be passed through, to cool down the lance tube of kiln thorax B, the coal gas endless tube of kiln thorax B does not have coal gas to lead at this time
Enter；The coal gas endless tube of kiln thorax B begins with coal gas and is passed through after periodic reverse, and kiln thorax B spray gun cooling wind endless tubes do not have cooling wind to lead to
Enter；A thoraxes and B thoraxes are exactly the opposite；Namely existing gas burns the coal gas endless tube of double-hearth lime kiln with spray gun cooling wind endless tube same
Kiln thorax cannot use simultaneously, in addition will carry out the purging of two-way endless tube in periodic reverse every time, to prevent coal gas from penetrating into ring
Cause to be tempered and explode in pipe, the gas directing system design that existing this gas burns double-hearth lime kiln is increasing purge gas cost
Increasing the chain condition of technique again simultaneously, and the quantity of endless tube and lance tube is more, arrangement is complicated, is not easy to technology controlling and process,
Production efficiency is relatively low, and use cost and daily maintenance cost are higher.
Utility model content
The technical problem to be solved by the present invention is to provide the gas directing system that a kind of gas burns double-hearth lime kiln, structure letters
Single, coal gas shares an endless tube with cooling wind, has saved the use cost and maintenance cost of kiln thorax, while saved purge gas
Usage amount, purging effect is good, greatly reduces the interlocking point of technique, and technology controlling and process of being more convenient for improves production efficiency.
In order to solve the above-mentioned technical problem, the technical scheme that the utility model is provided is as follows：
A kind of gas burns the gas directing system of double-hearth lime kiln, including the first kiln thorax and the second kiln thorax, the first kiln thorax and the
It is respectively provided on the external wall of thorax of two kiln thoraxes there are one the first endless tube, gas piping, cooling duct is connected on first endless tube
Road and nitrogen pipeline, the gas piping, cooling wind pipeline and nitrogen pipeline are connected with first endless tube, and described first
It is connected with multiple gun hoses on endless tube, is respectively connected on the inner wall of the thorax body of the first kiln thorax and the second kiln thorax multiple with the spray
The corresponding spray gun of rifle hose, the spray gun are connected with the gun hose, and being also associated with coal gas on the gas piping adds
Check-valves is respectively connected on press, the gas piping and cooling wind pipeline.
The second endless tube is both provided on the external wall of thorax of the first kiln thorax and the second kiln thorax, first endless tube passes through
Two endless tubes are connected with the nitrogen pipeline.
The cross section of first kiln thorax and the second kiln thorax is rounded, and multiple spray guns on the first kiln thorax are in circumferential uniform
It arranges, multiple spray guns on the second kiln thorax are in be arranged circumferentially.
The air inlet of the gas piping and cooling wind pipeline is mounted on strainer.
A diameter of 500~700mm of first endless tube.
The junction of the gas piping and first endless tube is provided with the check-valves, the cooling wind pipeline and institute
The junction for stating the first endless tube is provided with the check-valves.
Flame retardant coating is both provided on the inner wall of the first kiln thorax and the second kiln thorax.
The thickness of the flame retardant coating is 20~50mm.
The utility model has the advantages that：The gas directing system of the utility model is simple in structure, coal gas and cooling wind
An endless tube is shared, has saved the use cost and maintenance cost of kiln thorax, while saved purge gas usage amount, purging effect
Good, process concatenation is simpler, greatly reduces the interlocking point of technique, technology controlling and process of being more convenient for, and improves production efficiency.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
In figure：1st, the first kiln thorax, the 2, second kiln thorax, the 3, first endless tube, the 4, second endless tube, 5, cooling wind pipeline, 6, coal gas
Pipeline, 7, nitrogen pipeline, 8, spray gun, 9, nitrogen, 10, pneumatic cut-off valve, 11, coal gas diffusion mouth, 12, gas compressor, 13, wind
Machine, 14, flame retardant coating.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
As shown in Figure 1, a kind of gas burns the gas directing system of double-hearth lime kiln, including the first kiln thorax 1 and the second kiln thorax 2, first
Be respectively provided on the external wall of thorax of 1 and second kiln thorax 2 of kiln thorax there are one the first endless tube 3, be connected on the first endless tube 3 gas piping 6,
Cooling wind pipeline 5 and nitrogen pipeline 7, gas piping 6, cooling wind pipeline 5 and nitrogen pipeline 7 are connected with the first endless tube 3, the
Be connected with multiple gun hoses on one endless tube 3, be respectively connected on the inner wall of the thorax body of the first kiln thorax 1 and the second kiln thorax 2 it is multiple with
The corresponding spray gun 8 of gun hose, spray gun 8 are connected with gun hose, and spray gun 8 and gun hose correspond, gas piping 6
On be also associated with gas compressor 12, check-valves is respectively connected on gas piping 6 and cooling wind pipeline 5, to prevent coal gas or cold
But wind is imported in other side's pipeline.
Further, pneumatic cut-off valve 10 is respectively connected on gas piping 6 and cooling wind pipeline 5, pneumatic cut-off valve 10 wraps
Include check-valves.
Coal gas diffusion mouth 11 is additionally provided on gas piping 6, is used to implement diffusing for coal gas.
Nitrogen is passed through in nitrogen pipeline 7, for being purged during commutation to the first endless tube 3, coal can be prevented well
Air infiltration, which enters in the first endless tube 3, to be caused to be tempered and explode, and practical nitrogen is purged, and purging effect is good.
Wherein, gas piping 6 is used for ventilating coal gas；Wind turbine 13 is connected on cooling wind pipeline 5, cooling wind pipeline 5 is used to lead to
Cooling wind, for cooling down gun hose.Cooling wind enters cooling duct road 5 after being come out from wind turbine 13.
The second endless tube 4 is both provided on the external wall of thorax of first kiln thorax 1 and the second kiln thorax 2, the first endless tube 3 passes through the second ring
Pipe 4 is connected with nitrogen pipeline 7.
Further, it is connected with check-valves on nitrogen pipeline 7.
Further, the cross section of the first kiln thorax 1 and the second kiln thorax 2 is rounded, multiple spray guns 8 on the first kiln thorax 1
In being arranged circumferentially, multiple spray guns 8 on the second kiln thorax 2 are in be arranged circumferentially.
Further, the air inlet of gas piping 6 and cooling wind pipeline 5 is mounted on strainer.
Further, a diameter of 500~700mm of the first endless tube 3.
Further, the junction of 6 and first endless tube 3 of gas piping is provided with check-valves, 5 and first ring of cooling wind pipeline
The junction of pipe 3 is provided with check-valves, preferably to control the flow direction of coal gas or cooling wind.
Further, flame retardant coating 14 is both provided on the inner wall of the first kiln thorax 1 and the second kiln thorax 2, flame retardant coating 14 is by fire resisting
Material is made.
Further, the thickness of flame retardant coating 14 is 20~50mm, has preferable fire resisting effect.
First endless tube 3, the second endless tube 4 are stainless steel tube.
Further, the arrangement height of the first endless tube 3 of the first kiln thorax 1 is at least the 1/ of the kiln body height of the first kiln thorax 1
2.The arrangement height of first endless tube 3 of the second kiln thorax 2 is at least the 1/2 of the kiln body height of the second kiln thorax 2, to be more conducive to lime
Calcining.
Protective cover is connected on spray gun, for protecting spray gun, spray gun is prevented by the interference of material or other impurities and breaks
It is bad.
Specifically, being respectively provided on the external wall of thorax of the first kiln thorax 1 and the second kiln thorax 2, there are one the first endless tubes 3 and 33
A gun hose.
In use, the coal gas in gas piping 6 enters the first endless tube 3 after being pressurizeed by gas compressor 12, it can
To understand ground, coal gas realizes that coal gas enters the first endless tube 3 of the first kiln thorax 1 or the first endless tube of the second kiln thorax 2 by check-valves
3, it prevents coal gas while enters the first endless tube 3 of the first kiln thorax 1 and the second kiln thorax 2.When the first endless tube 3 of the first kiln thorax 1 has coal
When gas is passed through, the first endless tube 3 of the second kiln thorax 2 is passed through cooling wind by cooling wind pipeline 5, the first kiln thorax 1 after periodic reverse
First endless tube 3 is passed through cooling wind by cooling wind pipeline 5, and the first endless tube 3 of the second kiln thorax 2 is passed through coal gas by gas piping 6,
First kiln thorax 1 and the second kiln thorax 2 carry out coal gas according to periodic reverse and replace replacement with cooling wind, do not conflict mutually, wherein commutating the phase
Between have the purging that nitrogen carries out the first endless tube 3, cause to be tempered and explode to prevent coal gas from penetrating into the first endless tube 3, specifically,
Nitrogen 9 enters the second endless tube 4 by nitrogen pipeline 7, then enters the first endless tube 3 by the second endless tube 4, so as to fulfill to the first ring
The purging of pipe 3.
The design that the utility model passes through the first endless tube and nitrogen endless tube so that coal gas shares first ring with cooling wind
Pipe, pipeline arrangement is simple, and pipeline quantity is few, convenient for control, has saved the use cost and regular maintenance cost of kiln thorax, while coal
Gas shares first endless tube with cooling wind, but also when the first endless tube is passed through cooling wind, in addition to playing cooling gun hose
Effect can also play the role of the first endless tube purging, the coal gas being passed through before removing in the first endless tube, nitrogen after having saved
The amount of being purged with；The circuit design of the structure simultaneously also further saves the workload and usage amount of nitrogen purging, purging effect
Fruit is good, greatly reduces the interlocking point of technique, technology controlling and process of being more convenient for is easy to operate, time saving, improves production efficiency.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the utility model, the utility model
Protection domain it is without being limited thereto.The equivalent substitute or change that those skilled in the art are made on the basis of the utility model
It changes, is within the protection scope of the utility model.The scope of protection of the utility model is subject to claims.
Claims (8)
1. a kind of gas burns the gas directing system of double-hearth lime kiln, it is characterized in that, including the first kiln thorax and the second kiln thorax, first kiln
It is respectively provided on the external wall of thorax of thorax and the second kiln thorax there are one the first endless tube, gas piping, cold is connected on first endless tube
But wind pipeline and nitrogen pipeline, the gas piping, cooling wind pipeline and nitrogen pipeline are connected with first endless tube, institute
State and multiple gun hoses be connected on the first endless tube, be respectively connected on the inner wall of the thorax body of the first kiln thorax and the second kiln thorax it is multiple with
The corresponding spray gun of gun hose, the spray gun are connected with the gun hose, are also associated on the gas piping
Check-valves is respectively connected on gas compressor, the gas piping and cooling wind pipeline.
2. gas as described in claim 1 burns the gas directing system of double-hearth lime kiln, it is characterized in that, the first kiln thorax and the second kiln
The second endless tube is both provided on the external wall of thorax of thorax, first endless tube is connected by the second endless tube with the nitrogen pipeline.
3. gas as described in claim 1 burns the gas directing system of double-hearth lime kiln, it is characterized in that, the first kiln thorax and the second kiln thorax
Cross section is rounded, and multiple spray guns on the first kiln thorax are in be arranged circumferentially, multiple sprays on the second kiln thorax
Rifle is in be arranged circumferentially.
4. gas as described in claim 1 burns the gas directing system of double-hearth lime kiln, it is characterized in that, the gas piping and cooling wind
The air inlet of pipeline is mounted on strainer.
5. gas as described in claim 1 burns the gas directing system of double-hearth lime kiln, it is characterized in that, first endless tube it is a diameter of
500~700mm.
6. gas as described in claim 1 burns the gas directing system of double-hearth lime kiln, it is characterized in that, the gas piping and described the
The junction of one endless tube is provided with the check-valves, and the junction of the cooling wind pipeline and first endless tube is provided with described
Check-valves.
7. gas as described in claim 1 burns the gas directing system of double-hearth lime kiln, it is characterized in that, the first kiln thorax and the second kiln
Flame retardant coating is both provided on the inner wall of thorax.
8. gas as claimed in claim 7 burns the gas directing system of double-hearth lime kiln, it is characterized in that, the thickness of the flame retardant coating is 20
~50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721221496.0U CN207512080U (en) | 2017-09-22 | 2017-09-22 | A kind of gas burns the gas directing system of double-hearth lime kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721221496.0U CN207512080U (en) | 2017-09-22 | 2017-09-22 | A kind of gas burns the gas directing system of double-hearth lime kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207512080U true CN207512080U (en) | 2018-06-19 |
Family
ID=62533269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721221496.0U Expired - Fee Related CN207512080U (en) | 2017-09-22 | 2017-09-22 | A kind of gas burns the gas directing system of double-hearth lime kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207512080U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107500571A (en) * | 2017-09-22 | 2017-12-22 | 上海宝冶建设工业炉工程技术有限公司 | A kind of gas burns the gas directing system of double-hearth lime kiln |
| CN112079582A (en) * | 2020-09-28 | 2020-12-15 | 石家庄圣宏达热能工程技术股份有限公司 | Shaft kiln device with parallel-flow calcination and countercurrent heat storage and transformation method thereof |
-
2017
- 2017-09-22 CN CN201721221496.0U patent/CN207512080U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107500571A (en) * | 2017-09-22 | 2017-12-22 | 上海宝冶建设工业炉工程技术有限公司 | A kind of gas burns the gas directing system of double-hearth lime kiln |
| CN112079582A (en) * | 2020-09-28 | 2020-12-15 | 石家庄圣宏达热能工程技术股份有限公司 | Shaft kiln device with parallel-flow calcination and countercurrent heat storage and transformation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 |