CN107500571A - 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
- Publication number
- CN107500571A CN107500571A CN201710863173.XA CN201710863173A CN107500571A CN 107500571 A CN107500571 A CN 107500571A CN 201710863173 A CN201710863173 A CN 201710863173A CN 107500571 A CN107500571 A CN 107500571A
- Authority
- CN
- China
- Prior art keywords
- gas
- kiln
- thorax
- endless tube
- double
- 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
Links
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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses the gas directing system that a kind of gas burns double-hearth lime kiln, including the first kiln thorax and the second kiln thorax, first endless tube is provided with the external wall of thorax of first and second kiln thoraxes, gas piping is connected with first endless tube, cooling duct road and nitrogen pipeline, multiple gun hoses are connected with first endless tube, multiple spray guns corresponding with the gun hose are respectively connected with the inwall 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 with gas piping, check-valves is respectively connected with gas piping and cooling duct road, protective cover is also associated with spray gun, spray gun is located at the inside of protective cover.The present invention is simple in construction, 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, technology controlling and process of being more convenient for, improves production efficiency.
Description
Technical field
The present invention relates to calciner technical field, 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 natural gas, blast furnace gas, liquefied petroleum gas etc. with certain calorific value 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 burns is designed with two-way endless tube on each kiln thorax body 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, kiln thorax A coal gas endless tube has coal gas, and kiln thorax A spray gun cooling vane Guan Wei has cooling wind to be passed through, now another kiln thorax B
Spray gun cooling vane pipe there is cold wind to be passed through, to cool down kiln thorax B lance tube, now kiln thorax B coal gas endless tube does not have coal gas to lead to
Enter；Kiln thorax B coal gas endless tube begins with coal gas and is passed through after periodic reverse, and kiln thorax B spray gun cooling vanes Guan Wei has cooling wind to lead to
Enter；A thoraxes and B thorax contrasts；Namely existing gas burns the coal gas endless tube of double-hearth lime kiln with spray gun cooling vane pipe same
Kiln thorax can not use simultaneously, will carry out the purging of two-way endless tube in periodic reverse every time in addition, to prevent coal gas from penetrating into ring
Cause to be tempered and explode in pipe, existing this gas burns the gas directing system design of double-hearth lime kiln in increase purge gas cost
Add 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.
The content of the invention
The technical problem to be solved in the present invention is to provide the gas directing system that a kind of gas burns double-hearth lime kiln, simple in construction, coal
Gas shares an endless tube with cooling wind, has saved the use cost and maintenance cost of kiln thorax, while saved purge gas use
Amount, purging effect is good, greatly reduces the interlocking point of technique, technology controlling and process of being more convenient for, improves production efficiency.
In order to solve the above-mentioned technical problem, technical scheme provided by the invention 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
First endless tube is provided with the external wall of thorax of two kiln thoraxes, gas piping, cooling duct are connected with first endless tube
Road and nitrogen pipeline, the gas piping, cooling duct road 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 with the inwall of the thorax body of the first kiln thorax and the second kiln thorax multiple with the spray
The corresponding spray gun of rifle flexible pipe, the spray gun are connected with the gun hose, and being also associated with coal gas on the gas piping adds
Press, check-valves is respectively connected with gas piping and the cooling duct road.
The second endless tube is provided with 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
Arrange, multiple spray guns on the second kiln thorax are in be arranged circumferentially.
The air inlet in gas piping and the cooling duct road is mounted on filter screen.
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 duct road and institute
The junction for stating the first endless tube is provided with the check-valves.
Flame retardant coating is provided with the inwall of the first kiln thorax and the second kiln thorax.
The thickness of the flame retardant coating is 20~50mm.
The invention has the advantages that：The gas directing system of the present invention is simple in construction, and coal gas shares one with cooling wind
Endless tube, has saved the use cost and maintenance cost of kiln thorax, while has saved purge gas usage amount, and purging effect is good, technique
It is chain simpler, the interlocking point of technique is greatly reduced, technology controlling and process of being more convenient for, improves production efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
In figure：1st, the first kiln thorax, the 2, second kiln thorax, the 3, first endless tube, the 4, second endless tube, 5, cooling duct road, 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.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with
More fully understand the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in figure 1, a kind of gas directing system of gas burning double-hearth lime kiln, including the first kiln thorax 1 and the second kiln thorax 2, first
First endless tube 3 is provided with the external wall of thorax of the kiln thorax 2 of kiln thorax 1 and second, be connected with the first endless tube 3 gas piping 6,
Cooling duct road 5 and nitrogen pipeline 7, gas piping 6, cooling duct road 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 with the inwall 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 with gas piping 6 and cooling duct road 5, to prevent coal gas or cold
But wind is imported in other side's pipeline；
Protective cover is also associated with spray gun, spray gun is located at the inside of protective cover.
Be connected with protective cover on spray gun 8, for protecting spray gun, prevent spray gun 8 by material or other impurities interference and
Destroy.
Further, protective cover is stainless steel cover plate.
Further, pneumatic cut-off valve 10 is respectively connected with gas piping 6 and cooling duct road 5, pneumatic cut-off valve 10 wraps
Include check-valves.
Coal gas diffusion mouth 11 is additionally provided with gas piping 6, for realizing 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 explodes, and practical nitrogen is purged, and purging effect is good.
Wherein, gas piping 6 is used for ventilating coal gas；Blower fan 13 is connected with cooling duct road 5, cooling duct road 5 is used to lead to
Wind is cooled down, for cooling down gun hose.Cooling wind enters cooling duct road 5 after being come out from blower fan 13.
The second endless tube 4 is provided with 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 in gas piping 6 and cooling duct road 5 is mounted on filter screen.
Further, a diameter of 500~700mm of the first endless tube 3.
Further, the junction of the endless tube 3 of gas piping 6 and first is provided with check-valves, the ring of cooling duct road 5 and first
The junction of pipe 3 is provided with check-valves, with the flow direction for better controling over coal gas or cooling down wind.
Further, flame retardant coating 14 is provided with the inwall 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.
Specifically, first endless tube 3 and 33 is provided with the external wall of thorax of the first kiln thorax 1 and the second kiln thorax 2
Individual gun hose.
In use, the coal gas in gas piping 6 enters the first endless tube 3 after being pressurizeed by gas compressor 12, 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, prevent coal gas while enter 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 duct road 5, the first kiln thorax 1 after periodic reverse
First endless tube 3 is passed through cooling wind by cooling duct road 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 replacing with cooling wind, do not conflict mutually, wherein commutating the phase
Between have the purging that nitrogen carries out the first endless tube 3, to prevent coal gas is penetrated into the first endless tube 3 from causing to be tempered and explode, 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 realize to the first ring
The purging of pipe 3.
The design that the present invention passes through the first endless tube and nitrogen endless tube so that coal gas shares first endless tube with cooling wind,
Pipeline arrangement is simple, and pipeline quantity is few, is easy to control, and has saved the use cost and regular maintenance cost of kiln thorax, while coal gas
First endless tube is shared with cooling wind, when also make it that the first endless tube is passed through cooling wind, the work except playing cooling gun hose
With can also play purging effect to the first endless tube, the coal gas that is passed through before removing in the first endless tube, nitrogen blows after having saved
Sweep usage amount；The circuit design of the structure simultaneously, also further save the workload and usage amount of nitrogen purging, purging effect
It is good, the interlocking point of technique is greatly reduced, technology controlling and process of being more convenient for is easy to operate, time saving, improves production efficiency.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
Enclose not limited to this.The equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is defined by 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
First endless tube is provided with the external wall of thorax of thorax and the second kiln thorax, gas piping, cold is connected with first endless tube
But wind pipeline and nitrogen pipeline, the gas piping, cooling duct road and nitrogen pipeline are connected with first endless tube, institute
State and multiple gun hoses be connected with the first endless tube, be respectively connected with the inwall of the thorax body of the first kiln thorax and the second kiln thorax it is multiple with
The corresponding spray gun of the gun hose, the spray gun are connected with the gun hose, are also associated with the gas piping
Gas compressor, check-valves is respectively connected with gas piping and the cooling duct road.
2. gas as claimed 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 provided with the external wall of thorax of thorax, first endless tube is connected by the second endless tube with the nitrogen pipeline.
3. gas as claimed 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 claimed 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 filter screen.
5. gas as claimed 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 claimed 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 duct road and first endless tube is provided with described
Check-valves.
7. gas as claimed 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 provided with the inwall 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 |
|---|---|---|---|
| CN201710863173.XA CN107500571B (en) | 2017-09-22 | 2017-09-22 | Gas guide system of gas burning double-hearth lime kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710863173.XA CN107500571B (en) | 2017-09-22 | 2017-09-22 | Gas guide system of gas burning double-hearth lime kiln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107500571A true CN107500571A (en) | 2017-12-22 |
| CN107500571B CN107500571B (en) | 2022-11-25 |
Family
ID=60698544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710863173.XA Active CN107500571B (en) | 2017-09-22 | 2017-09-22 | Gas guide system of gas burning double-hearth lime kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107500571B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109265025A (en) * | 2018-09-28 | 2019-01-25 | 上海宝冶冶金工程有限公司 | Bottle coal multifuel combustion double-hearth lime kiln |
| CN111594840A (en) * | 2020-05-22 | 2020-08-28 | 北京嘉永会通能源科技有限公司 | Novel conveying device for industrial gas fuel and combustion process |
| CN111847907A (en) * | 2019-04-25 | 2020-10-30 | 中冶长天国际工程有限责任公司 | Lime kiln and heat supply method thereof |
| CN112499995A (en) * | 2020-11-09 | 2021-03-16 | 邯郸钢铁集团有限责任公司 | Method for avoiding blockage of double-hearth kiln combustion system ring pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4813837B1 (en) * | 1967-09-14 | 1973-05-01 | ||
| CN200978255Y (en) * | 2006-12-14 | 2007-11-21 | 张振聪 | Double-chamber double-channel lime burner |
| CN102557492A (en) * | 2012-01-06 | 2012-07-11 | 石家庄市新华工业炉有限公司 | Heat accumulating type double-hearth lime kiln |
| CN203668244U (en) * | 2013-09-26 | 2014-06-25 | 谢永红 | Novel cooling system for double-hearth lime kiln suspension cylinders |
| CN207512080U (en) * | 2017-09-22 | 2018-06-19 | 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 |
-
2017
- 2017-09-22 CN CN201710863173.XA patent/CN107500571B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4813837B1 (en) * | 1967-09-14 | 1973-05-01 | ||
| CN200978255Y (en) * | 2006-12-14 | 2007-11-21 | 张振聪 | Double-chamber double-channel lime burner |
| CN102557492A (en) * | 2012-01-06 | 2012-07-11 | 石家庄市新华工业炉有限公司 | Heat accumulating type double-hearth lime kiln |
| CN203668244U (en) * | 2013-09-26 | 2014-06-25 | 谢永红 | Novel cooling system for double-hearth lime kiln suspension cylinders |
| CN207512080U (en) * | 2017-09-22 | 2018-06-19 | 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109265025A (en) * | 2018-09-28 | 2019-01-25 | 上海宝冶冶金工程有限公司 | Bottle coal multifuel combustion double-hearth lime kiln |
| CN111847907A (en) * | 2019-04-25 | 2020-10-30 | 中冶长天国际工程有限责任公司 | Lime kiln and heat supply method thereof |
| CN111847907B (en) * | 2019-04-25 | 2021-12-03 | 中冶长天国际工程有限责任公司 | Lime kiln and heat supply method thereof |
| CN111594840A (en) * | 2020-05-22 | 2020-08-28 | 北京嘉永会通能源科技有限公司 | Novel conveying device for industrial gas fuel and combustion process |
| CN112499995A (en) * | 2020-11-09 | 2021-03-16 | 邯郸钢铁集团有限责任公司 | Method for avoiding blockage of double-hearth kiln combustion system ring pipe |
| CN112499995B (en) * | 2020-11-09 | 2022-06-28 | 邯郸钢铁集团有限责任公司 | Method for avoiding blocking of double-hearth kiln combustion system ring pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107500571B (en) | 2022-11-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107500571A (en) | A kind of gas burns the gas directing system of double-hearth lime kiln | |
| CN106440811B (en) | A kind of sintering ignition device and ignition method | |
| CN104775038B (en) | Novel copper finery oxy-fuel combustion system | |
| CN207512080U (en) | A kind of gas burns the gas directing system of double-hearth lime kiln | |
| CN112094058A (en) | Double-chamber kiln reconstructed from shaft kiln | |
| CN204554840U (en) | A kind of industrial waste gas combustion apparatus | |
| CN213739208U (en) | Double-chamber kiln reconstructed from shaft kiln | |
| CN103063044B (en) | Rotary hearth furnace smoke waste heat utilization system and rotary hearth furnace fume afterheat Application way | |
| CN207778024U (en) | A kind of Natural Gas transfer pipeline of double-hearth lime kiln | |
| CN204757351U (en) | Anti -return mixes formula boiler in advance | |
| CN207066020U (en) | A kind of semi-coke drying system using limekiln exhaust gas waste heat | |
| CN210425080U (en) | Low-temperature corrosion prevention process system for bypass preheating flue gas heat exchanger of hot blast stove | |
| CN202393252U (en) | Hot air curtain seal device | |
| CN107131758A (en) | A kind of rotary kiln coal mill system | |
| CN106399616A (en) | Radiation pipe direct reduction vertical furnace | |
| CN202792005U (en) | Pulverized coal boiler weak breath ignition device | |
| CN202835346U (en) | Burning denitration burner installed in cement decomposing furnace under lean oxygen atmosphere | |
| CN207062310U (en) | Blast furnace blowing Fuel lance | |
| CN207002781U (en) | One kind prepares CO using coal gas of converter2And the system of circulation injection | |
| CN206176347U (en) | Suspension firing's chain furnace | |
| CN206266647U (en) | Radiant tube is reduced directly shaft furnace | |
| CN111910035A (en) | Quick furnace cooling method of improved top combustion type hot blast furnace | |
| CN204490973U (en) | A kind of new copper refining furnace full-oxygen combustion system | |
| CN110260348B (en) | Low-temperature corrosion prevention process system and method for bypass preheating flue gas heat exchanger of hot blast stove | |
| CN209622807U (en) | The gas-liquid cycle mechanism of waste incinerator dual firing chamber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |