CN103759285A - Economical heat storage combustion device and control method thereof - Google Patents
Economical heat storage combustion device and control method thereof Download PDFInfo
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- CN103759285A CN103759285A CN201310731321.4A CN201310731321A CN103759285A CN 103759285 A CN103759285 A CN 103759285A CN 201310731321 A CN201310731321 A CN 201310731321A CN 103759285 A CN103759285 A CN 103759285A
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The invention discloses an economical heat storage combustion device and a control method thereof. The economical heat storage combustion device comprises a fuel oil switch, a combustion nozzle, a combustion furnace, two heat storage ponds, two thermal infrared imagers, a control center, and corresponding pipelines and valves, wherein a heat insulation layer is clamped between the two heat storage ponds, the two thermal infrared imagers are respectively connected with the control center, and the control center directly controls the corresponding valves. The economical heat storage combustion device and the control method thereof are simple and useful, safe and reliable, and continuous and stable in combustion, and can achieve full automatic control.
Description
Technical field
The invention belongs to heat-accumulation combustion field, particularly a kind of economical heat storage burner and control method.
Background technology
HTAC is the brand-new combustion technology that the nineties in 20th century, international combustion field was born, can realize the efficient utilization of fuel chemical energy and effective control of pollutant emission, the technology that is highly suitable for China's industrial quarters application, for alleviate China energy scarcity, improve natural environment practicable method be provided.The main feature of HTAC is: (1) adopts high temperature air flue gas waste heat recovery apparatus, alternately switch air and flue gas, make it the heat storage of flowing through, can reclaim to the full extent the sensible heat of high-temperature flue gas, realized limit waste heat recovery; (2) by 1000 ℃ of above temperature levels of combustion air preheating, form the novel flame type far different with traditional flame (such as diffusion flame and premixed flame etc.), create the interior good uniform temperature field distribution of coming out of the stove; (3) a large amount of generations of high temperature heating power nitrogen oxide NOx by organizing the burning under oxygen deprivation state, have been avoided under normal circumstances.Therefore, this technology in actual applications, has produced significant economic benefit and social benefit.
But, there are some problems in traditional regenerative combustion furnace, as traditional heat-accumulation combustion adopts centralized dispersal reversing mode, due to the Temperature Distribution difference in heating furnace, the burner accumulation of heat heat release ability difference that makes different parts, does not have again rational control method, makes some place have heat surplus, can not bring into play the peak power of heat storage, finally cause heat storage efficiency to decline and honeycomb ceramics damage.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of economical heat storage burner and control method are provided.
Technical scheme of the present invention: a kind of economical heat storage burner, comprise fuel cock, burner, combustion furnace, hot flue gas inlet pipe, cold air inlet pipe, hot flue gas goes out pipe, thermal insulation layer, hot-air goes out pipe, control centre and corresponding control valve and check valve, also comprise accumulation of heat pond a, thermal infrared imager a, accumulation of heat pond b, thermal infrared imager b, a outside in accumulation of heat pond is provided with thermal infrared imager a, b outside in accumulation of heat pond is provided with thermal infrared imager b, between accumulation of heat pond a and accumulation of heat pond b, be provided with thermal insulation layer, thermal infrared imager a is connected with control centre with thermal infrared imager b, control centre is built-in with PLC control chip.
A control method for economical heat storage burner, comprises the following steps:
(1) in the device course of work, heat in thermal infrared imager a monitors accumulation of heat pond a is reduced to when setting value, sends signal 1 immediately to control centre, control centre's program 1 that brings into operation, after this accumulation of heat pond a enters heat accumulation state, and accumulation of heat pond b enters heat release state;
(2) heat in thermal infrared imager b monitors accumulation of heat pond b is reduced to when setting value, sends signal 2 immediately to control centre, control centre's program 2 that brings into operation, and after this accumulation of heat pond b enters heat accumulation state, and accumulation of heat pond a enters heat release state;
(3) in the device course of work, (1) (2) step alternate cycles;
(4) if there is emergency in the device course of work, to control centre, send signal 3, control centre is working procedure 3 immediately, and step-down opens the safety-valve.
Described (1) Program 1 opens control valve 406,408,404,410, simultaneously closed control valve 403,409,405,407.
Described (2) Program 2 opens control valve 403,409,405,407, simultaneously closed control valve 406,408,404,410.
In the device course of work, fuel cock and control valve 411,401 are in normally open, and safety valve 402 is in normally off.
Beneficial effect of the present invention:
1, adopt check valve and safety valve double protection, make equipment safety reliable;
2, adopt two accumulation of heat pond alternations, make combustion process continous-stable;
3, control centre's inside PLC chip, realizes overall process and automatically controls.
Accompanying drawing explanation
Accompanying drawing 1 is apparatus of the present invention system diagram;
Accompanying drawing 2 is control flow chart of the present invention;
Accompanying drawing 3 is the heat dynamic change figure of accumulation of heat pond a and accumulation of heat pond b;
1. the hot flue gas inlet pipe 7. accumulation of heat pond a 8. cold air inlet pipe 9. thermal infrared imager b 10. accumulation of heat pond b 11. hot flue gases of fuel cock 2. burner 3. combustion furnace 6. go out pipe 12. thermal insulation layer 13. thermal infrared imager a 14. hot-airs and go out pipe
Wherein: control valve 401,403,404,405,406,407,408,409,410,411 safety valve 402 check valves 501,502,503,504,505,506.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
A kind of economical heat storage burner, comprise fuel cock 1, burner 2, combustion furnace 3, hot flue gas inlet pipe 6, cold air inlet pipe 8, hot flue gas goes out pipe 11, thermal insulation layer 12, hot-air goes out pipe 14, control centre and corresponding control valve and check valve, also comprise accumulation of heat pond a7, thermal infrared imager a13, accumulation of heat pond b10, thermal infrared imager b9, a7 outside in accumulation of heat pond is provided with thermal infrared imager a13, b10 outside in accumulation of heat pond is provided with thermal infrared imager b9, between accumulation of heat pond a7 and accumulation of heat pond b10, be provided with thermal insulation layer 12, thermal infrared imager a13 is connected with control centre with thermal infrared imager b9, control centre is built-in with PLC control chip.
Specific works process:
In the whole device course of work, the heat of accumulation of heat pond a7 and b1 inside, accumulation of heat pond is these those long dynamic changing processes that disappear, as shown in Figure 3, suppose that now the heat of accumulation of heat pond a7 reaches burning temperature required, now accumulation of heat pond a7 is in heat release state, accumulation of heat pond b10 is in heat absorption state, air from cold air inlet pipe 8 through check valve 502, it is hot-air that control valve 403 enters the a7 heat exchange of accumulation of heat pond, afterwards through control valve 409, check valve 506 enters hot-air and goes out pipe 14, through control valve 411, enter in combustion furnace 3 again, after mixed combustion, the hot flue gas producing enters hot flue gas inlet pipe 6 through control valve 401, again through check valve 501, control valve 405 enters accumulation of heat pond b10 heat energy storage, cold flue gas after heat exchange is through control valve 407, check valve 504 enters hot flue gas and goes out pipe 11 discharges, through after a period of time, heat in the a7 of accumulation of heat pond is reduced to when setting value, and thermal infrared imager a13 sends signal 1 to control centre immediately, control centre's program 1 that brings into operation, open control valve 406,408,404,410, simultaneously closed control valve 403,409,405,407.
Now, now accumulation of heat pond b10 is in heat release state, and accumulation of heat pond a7 is in heat absorption state,
After this accumulation of heat pond a7 enters heat accumulation state, and accumulation of heat pond b10 enters heat release state; It is hot-air that air enters the b10 heat exchange of accumulation of heat pond from cold air inlet pipe 8 through check valve 503, control valve 406, through control valve 408, check valve 506, enter hot-air afterwards and go out pipe 14, through control valve 411, enter in combustion furnace 3 again, after mixed combustion, the hot flue gas producing enters hot flue gas inlet pipe 6 through control valve 401, through check valve 501, control valve 404, enter accumulation of heat pond a7 heat energy storage again, the cold flue gas after heat exchange enters hot flue gas through control valve 410, check valve 505 and goes out pipe 11 discharges; Through after a period of time, heat in the b10 of accumulation of heat pond is reduced to when setting value, and thermal infrared imager b9 sends signal 2 to control centre immediately, control centre's program 2 that brings into operation, open control valve 403,409,405,407, simultaneously closed control valve 406,408,404,410.
After a period of time, control centre is again by working procedure 1, and its control flow as shown in Figure 2, move by program 1 and program 2 alternate cycles.If there is emergency in the device course of work, to control centre, send signal 3, control centre is working procedure 3 immediately, and open the safety-valve 402 step-downs.Safe and reliable and the combustion process continous-stable of the present invention, can realize overall process and automatically control.
Claims (5)
1. an economical heat storage burner, comprise fuel cock (1), burner (2), combustion furnace (3), hot flue gas inlet pipe (6), cold air inlet pipe (8), hot flue gas goes out pipe (11), thermal insulation layer (12), hot-air goes out pipe (14), control centre and corresponding control valve and check valve, it is characterized in that: also comprise accumulation of heat pond a(7), thermal infrared imager a(13), accumulation of heat pond b(10), thermal infrared imager b(9), accumulation of heat pond a(7) outside is provided with thermal infrared imager a(13), accumulation of heat pond b(10) outside is provided with thermal infrared imager b(9), accumulation of heat pond a(7) and accumulation of heat pond b(10) between be provided with thermal insulation layer (12), thermal infrared imager a(13) with thermal infrared imager b(9) be all connected with control centre, control centre is built-in with PLC control chip.
2. a control method for economical heat storage burner, comprises the following steps:
(1) in the device course of work, as thermal infrared imager a(13) monitor accumulation of heat pond a(7) in heat while being reduced to setting value, to control centre, send signal 1 immediately, control centre's program 1 that brings into operation, after this accumulation of heat pond a(7) enter heat accumulation state, accumulation of heat pond b(10) enter heat release state;
(2) as thermal infrared imager b(9) monitor accumulation of heat pond b(10) in heat while being reduced to setting value, to control centre, send signal 2 immediately, control centre bring into operation program 2, after this accumulation of heat pond b(10) enter heat accumulation state, accumulation of heat pond a(7) enter heat release state;
(3) in the device course of work, (1) (2) step alternate cycles;
(4) if there is emergency in the device course of work, to control centre, send signal 3, control centre is working procedure 3 immediately, and (402) step-down opens the safety-valve.
3. the control method of a kind of economical heat storage burner as claimed in claim 2, it is characterized in that: (1) Program 1 opens control valve (406), (408), (404), (410), simultaneously closed control valve (403), (409), (405), (407).
4. the control method of a kind of economical heat storage burner as claimed in claim 2, it is characterized in that: (2) Program 2 opens control valve (403), (409), (405), (407), simultaneously closed control valve (406), (408), (404), (410).
5. the control method of a kind of economical heat storage burner as claimed in claim 2, is characterized in that: in the device course of work, fuel cock (1) and control valve (411), (401) are in normally open, and safety valve (402) is in normally off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310731321.4A CN103759285A (en) | 2013-12-27 | 2013-12-27 | Economical heat storage combustion device and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310731321.4A CN103759285A (en) | 2013-12-27 | 2013-12-27 | Economical heat storage combustion device and control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197732A (en) * | 2014-09-19 | 2014-12-10 | 济南大学 | Regenerative gas heating furnace control system |
| CN109373773A (en) * | 2018-09-27 | 2019-02-22 | 中冶华天工程技术有限公司 | Stove continous way heat exchange control device and control method |
-
2013
- 2013-12-27 CN CN201310731321.4A patent/CN103759285A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197732A (en) * | 2014-09-19 | 2014-12-10 | 济南大学 | Regenerative gas heating furnace control system |
| CN104197732B (en) * | 2014-09-19 | 2016-04-06 | 济南大学 | A kind of regenerative gas heater control system |
| CN109373773A (en) * | 2018-09-27 | 2019-02-22 | 中冶华天工程技术有限公司 | Stove continous way heat exchange control device and control method |
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Application publication date: 20140430 |