CN101957133A - System and method for ceaselessly supplying heat transfer oil for afterheat heat medium boiler of rotary kiln - Google Patents
System and method for ceaselessly supplying heat transfer oil for afterheat heat medium boiler of rotary kiln Download PDFInfo
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- CN101957133A CN101957133A CN2009100125720A CN200910012572A CN101957133A CN 101957133 A CN101957133 A CN 101957133A CN 2009100125720 A CN2009100125720 A CN 2009100125720A CN 200910012572 A CN200910012572 A CN 200910012572A CN 101957133 A CN101957133 A CN 101957133A
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- rotary kiln
- waste heat
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention relates to a system and a method for ceaselessly supplying heat transfer oil to an afterheat heat medium boiler, in particular to a system and a method for ceaselessly supplying the heat transfer oil to an afterheat heat medium boiler of a rotary kiln in carbon and chemical industries. The system for ceaselessly supplying the heat transfer oil for the afterheat heat medium boiler of the rotary kiln comprises a rotary kiln combustion chamber and an afterheat heat medium boiler and is characterized in that a second electric slider damper is arranged on a connection pipeline between the rotary kiln combustion chamber and the afterheat heat medium boiler, a first bypass pipeline leading to a chimney is arranged between the rotary kiln combustion chamber and the second electric slider damper, a first slider damper is arranged on the first bypass pipeline, a second bypass pipeline is arranged between the second electric slider damper and the afterheat heat medium boiler, a third electric slider damper is arranged on the second bypass pipeline which is connected with a hot blast stove burner combustion system. The invention has the advantage that a spare heat medium boiler or an evaporation boiler is not needed, therefore investment can be reduced, and equipment to be added is simple and is low in fault rate.
Description
Technical field
The present invention relates to a kind ofly uninterruptedly provides the system and method for heat kerosene to waste heat hot coal boiler, relates in particular to the system and method that rotary kiln waste heat heating agent boiler in carbon element, the chemical industry uninterruptedly provides heat kerosene.
Background technology
The high-temperature flue gas that produces in the calcined petroleum coke process is used to heat heat kerosene or produces steam.The technology of rotary kiln UTILIZATION OF VESIDUAL HEAT IN is that the residual heat high-temperature flue gas that rotary kiln produces directly enters waste heat boiler at present, when the rotary kiln maintenance stops production, need to start the without interruption of heat that standby heating agent boiler or steam boiler guarantee the user, this technology capital expenditure is big, the stand-by equipment Long-time Shut-down, the fault rate height.
Summary of the invention
The invention provides the system and method that a kind of rotary kiln waste heat heating agent boiler uninterruptedly provides heat kerosene in order to solve the problems of the technologies described above, purpose is to solve rotary kiln waste heat heating agent boiler, waste heat steam boiler continuous heat supply problem, reduce capital expenditure, under the situation of standby heating agent boiler of cancellation or steam boiler, realize continuous heat supply.
Be achieved in that for reaching above-mentioned purpose the present invention rotary kiln waste heat heating agent boiler uninterruptedly provides the system of heat kerosene, comprise rotary kiln combustion chamber, waste heat hot coal boiler, on the connecting pipe of rotary kiln combustion chamber and waste heat hot coal boiler, be provided with the second electronic push-pull valve, be provided with first bypass duct that leads to chimney between the rotary kiln combustion chamber and the second electronic push-pull valve, on first bypass duct, be provided with the first electronic push-pull valve, between the second electronic push-pull valve and waste heat hot coal boiler, be provided with second bypass duct, be provided with the 3rd electronic push-pull valve on second bypass duct, second bypass duct is connected with the hot stove burner combustion system.
Described hot stove burner combustion system is made of following structure: the hot-blast stove that is connected with second bypass duct, be located at the burner on the hot-blast stove, the fuel channel of fuel is provided and the air duct of combustion air is provided to burner to burner, on fuel channel, be provided with first electric butterfly valve, on air duct, be provided with second electric butterfly valve.
Air duct between described second electric butterfly valve and the burner is provided with blower fan.
Described rotary kiln waste heat heating agent boiler uninterruptedly provides the method for heat kerosene, the high-temperature tail gas of rotary kiln combustion chamber comprises the steps: when can not satisfy the production of waste heat hot coal boiler, open the first electronic push-pull valve on first bypass duct, and close the second electronic push-pull valve, open the 3rd electronic push-pull valve simultaneously, make the hot stove burner combustion system provide hot flue gas to waste heat hot coal boiler.
The hot flue-gas temperature that described hot stove burner combustion system provides is 800-1000 ℃.
The used fuel of described hot stove burner combustion system is coal gas, natural gas or heavy oil.
Advantage of the present invention and effect: the present invention need not standby heating agent boiler or steam boiler, can reduce investment, solve rotary kiln waste heat heating agent boiler, waste heat steam boiler continuous heat supply problem, under the situation of standby heating agent boiler of cancellation or steam boiler, the equipment that the realization continuous heat supply need increase is simple, and fault rate is low.
Description of drawings
Fig. 1 is the structural representation that rotary kiln waste heat heating agent boiler of the present invention uninterruptedly provides the heat kerosene system.
Among the figure: 1, rotary kiln combustion chamber; 2, waste heat hot coal boiler; 3, the second electronic push-pull valve; 4, remove chimney breast; 5, first bypass duct; 6, the first electronic push-pull valve; 7, second bypass duct; 8, the 3rd electronic push-pull valve; 9, hot-blast stove; 10, burner; 11, fuel channel; 12, air duct; 13, first electric butterfly valve; 14, second electric butterfly valve; 15, blower fan.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail, but protection scope of the present invention is not limit by embodiment.
As shown in Figure 1, rotary kiln waste heat heating agent boiler of the present invention uninterruptedly provides the system of heat kerosene, comprise rotary kiln combustion chamber 1, waste heat hot coal boiler 2, on the connecting pipe of rotary kiln combustion chamber 1 and waste heat hot coal boiler 2, be provided with the second electronic push-pull valve 3, be provided with first bypass duct 5 that leads to chimney between the rotary kiln combustion chamber 1 and the second electronic push-pull valve 3, on first bypass duct 5, be provided with the first electronic push-pull valve 6, between the second electronic push-pull valve 3 and waste heat hot coal boiler 2, be provided with second bypass duct 7, being provided with the 3rd electronic push-pull valve 8, the second bypass ducts 7 on second bypass duct 7 is connected with the hot stove burner combustion system.First, second and the 3rd electronic push-pull valve are the high temperature push-pull valves, and plate is made by the resistant to elevated temperatures material feeding inner liner stainless steel skeleton that waters, and is high temperature resistant, indeformable, adopt hoist engine to be used as power, limit switch control stroke.
Above-mentioned hot stove burner combustion system is made of following structure: the hot-blast stove 9 that is connected with the 3rd bypass duct, be located at the burner 10 on the hot-blast stove 9, the fuel channel 11 of fuel is provided and the air duct 12 of combustion air is provided to burner 10 to burner 10, on fuel channel 11, be provided with first electric butterfly valve 13,12 are provided with blower fan 15 on the air duct that is provided with on the air duct 12 between second electric butterfly valve, 14, the second electric butterfly valves 14 and the burner 10.The hot stove burner combustion system can adopt PLC to control automatically, the elevated temperature heat flue gas enters waste heat heating agent boiler or waste heat boiler by hot-blast stove, for boiler provides thermal source, guarantee continuous heat supply, fuel can be coal gas, natural gas, heavy oil etc., the size of hot-blast stove can design according to the requirement of waste heat boiler.
Rotary kiln waste heat heating agent boiler uninterruptedly provides the method for heat kerosene, comprises the steps: calcining refinery coke by rotary kiln, and during ordinary production, the first electronic push-pull valve 6 and the 3rd electronic push-pull valve 8 are closed, and are in rest position; The second electronic push-pull valve 3 is opened, and is in open position; The high-temperature flue gas that rotary kiln produces advances waste heat heating agent boiler, produces heat kerosene, for the carbon element factory provides thermal source.When rotary system breaks down, the kiln temperature descends gradually, and when the kiln temperature dropped to uniform temperature (～500 ℃), high-temperature tail gas can not satisfy waste heat heating agent boiler for producing, open the first electronic push-pull valve on first bypass duct, make rotary kiln exhaust gas enter atmosphere through chimney; Close the second electronic push-pull valve simultaneously, be in rest position, waste heat tail gas does not enter waste heat heating agent boiler; Open the 3rd electronic push-pull valve simultaneously, be in open position, the high-temperature flue gas that hot-blast stove produces enters waste heat heating agent boiler, start the combustion control system of hot-blast stove, produce high-temperature flue gas, for waste heat heating agent pot provides thermal source, the hot flue-gas temperature that the hot stove burner combustion system provides is 800-1000 ℃, and the used fuel of hot stove burner combustion system is coal gas, natural gas or heavy oil.
Claims (6)
1. rotary kiln waste heat heating agent boiler uninterruptedly provides the system of heat kerosene, comprise rotary kiln combustion chamber, waste heat hot coal boiler, it is characterized in that on the connecting pipe of rotary kiln combustion chamber and waste heat hot coal boiler, being provided with the second electronic push-pull valve, be provided with first bypass duct that leads to chimney between the rotary kiln combustion chamber and the second electronic push-pull valve, on first bypass duct, be provided with the first electronic push-pull valve, between the second electronic push-pull valve and waste heat hot coal boiler, be provided with second bypass duct, be provided with the 3rd electronic push-pull valve on second bypass duct, second bypass duct is connected with the hot stove burner combustion system.
2. rotary kiln waste heat heating agent boiler according to claim 1 uninterruptedly provides the system of heat kerosene, it is characterized in that described hot stove burner combustion system is made of following structure: the hot-blast stove that is connected with second bypass duct, be located at the burner on the hot-blast stove, the fuel channel of fuel is provided and the air duct of combustion air is provided to burner to burner, on fuel channel, be provided with first electric butterfly valve, on air duct, be provided with second electric butterfly valve.
3. rotary kiln waste heat heating agent boiler according to claim 2 uninterruptedly provides the system of heat kerosene, it is characterized in that the air duct between described second electric butterfly valve and the burner is provided with blower fan.
4. rotary kiln waste heat heating agent boiler according to claim 1 uninterruptedly provides the method for heat kerosene, the high-temperature tail gas of rotary kiln combustion chamber it is characterized in that comprising the steps: when can not satisfy the production of waste heat hot coal boiler, open the first electronic push-pull valve on first bypass duct, and close the second electronic push-pull valve, open the 3rd electronic push-pull valve simultaneously, make the hot stove burner combustion system provide hot gas to the waste heat coal burning boiler.
5. rotary kiln waste heat heating agent boiler according to claim 4 uninterruptedly provides the method for heat kerosene, it is characterized in that the hot flue-gas temperature that described hot stove burner combustion system provides is 800-1000 ℃.
6. rotary kiln waste heat heating agent boiler according to claim 4 uninterruptedly provides the method for heat kerosene, it is characterized in that the used fuel of described hot stove burner combustion system is coal gas, natural gas or heavy oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100125720A CN101957133B (en) | 2009-07-16 | 2009-07-16 | System and method for ceaselessly supplying heat transfer oil for afterheat heat medium boiler of rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100125720A CN101957133B (en) | 2009-07-16 | 2009-07-16 | System and method for ceaselessly supplying heat transfer oil for afterheat heat medium boiler of rotary kiln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101957133A true CN101957133A (en) | 2011-01-26 |
| CN101957133B CN101957133B (en) | 2012-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100125720A Expired - Fee Related CN101957133B (en) | 2009-07-16 | 2009-07-16 | System and method for ceaselessly supplying heat transfer oil for afterheat heat medium boiler of rotary kiln |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840766A (en) * | 2012-09-17 | 2012-12-26 | 无锡龙山科技有限公司 | Waste heat utilizing system for rotary kiln-submerged arc furnace process ferro-nickel production line |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6036486A (en) * | 1996-01-25 | 2000-03-14 | Frazier-Simplex, Inc. | Heat regeneration for oxy-fuel fired furnaces |
| CN1052707C (en) * | 1996-03-06 | 2000-05-24 | 赵静山 | Cement production system and raw meal calcining process with fluid pre-heating decompositing and electric power generating by remaining heat |
| CN1186559C (en) * | 2002-09-18 | 2005-01-26 | 宋纪元 | Refuse gasifying incineration treatment method of rotary furnace siege |
| CN2634307Y (en) * | 2003-06-27 | 2004-08-18 | 清华大学 | Multistage incineration equipment of rotary kiln garbage gasifying and carbon ash cosmelting |
| CN201014920Y (en) * | 2006-12-28 | 2008-01-30 | 中国铝业股份有限公司 | Rotary kiln negative pressure safety interlocking control system |
| CN201476543U (en) * | 2009-09-10 | 2010-05-19 | 沈阳铝镁设计研究院 | System for uninterruptedly providing heat transfer oil to waste heat heating medium boiler of rotary kiln |
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2009
- 2009-07-16 CN CN2009100125720A patent/CN101957133B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840766A (en) * | 2012-09-17 | 2012-12-26 | 无锡龙山科技有限公司 | Waste heat utilizing system for rotary kiln-submerged arc furnace process ferro-nickel production line |
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| Publication number | Publication date |
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| CN101957133B (en) | 2012-06-13 |
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