CN103148503A - Flue gas heat converting device - Google Patents
Flue gas heat converting device Download PDFInfo
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- CN103148503A CN103148503A CN2013101048268A CN201310104826A CN103148503A CN 103148503 A CN103148503 A CN 103148503A CN 2013101048268 A CN2013101048268 A CN 2013101048268A CN 201310104826 A CN201310104826 A CN 201310104826A CN 103148503 A CN103148503 A CN 103148503A
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- flue gas
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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 a flue gas heat converting device which comprises a box body. A left cavity and a right cavity are arranged in the box body; a first heat accumulator and a first through hole are formed in the left cavity; a second heat accumulator and a second through hole are formed in right cavity; a first three-way device and a second three-way device are also arranged in the box body, wherein the first three-way device comprises a first channel, a second channel and a third channel; the first channel is communicated with the left cavity; the second channel is communicated with the right cavity; the third channel is communicated with the exterior of the box body; the second three-way device comprises a fourth channel, a fifth channel and a sixth channel, wherein the fourth channel is communicated with the left cavity; the fifth channel is communicated with the right cavity; the sixth channel is communicated with the exterior of the box body; and a first sealing device used for sealing the first channel and the fourth channel and a second sealing device used for sealing the second channel and the fifth channel are also arranged in the box body. The flue gas heat converting device can realize the reuse of flue gas heat, and improves the thermal efficiency of gas.
Description
Technical field
The present invention relates to flue gas heat recovery technology field, particularly a kind of flue gas heat conversion equipment.
Background technology
Over past ten years, due to energy shortage, along with energy conservation is further carried out.Various novel, the energy-conservation advanced type of furnace is gradually improved, and the become estranged technology of Mist heat recovering of the reduction exhaust gas heat loss of some gas-fired equipments is still made progress unhappy at present.In order further to improve the thermal efficiency of the equipment of lighting, reach energy-saving and cost-reducing purpose, Mist heat recovering is also an important energy saving way.
In prior art, gas-fired equipment needs burning combustible gas to heat, also needing so simultaneously in burning, input air carries out combustion-supporting, the air of general input is the air of normal temperature, cause fuel gas when burning, thermal efficiency ratio is lower, and meanwhile, and the heat of the flue gas that discharges after gas fuel burning is having slatterned in vain all.
Therefore, how a kind of flue gas heat conversion equipment, to realize the utilization again of flue gas heat, improve the combustion gas thermal efficiency, is the present technical issues that need to address of those skilled in the art.
Summary of the invention
The purpose of this invention is to provide a kind of flue gas heat conversion equipment, to realize the utilization again of flue gas heat, improve the combustion gas thermal efficiency.
For solving the problems of the technologies described above, the invention provides following scheme:
a kind of flue gas heat conversion equipment, comprise casing, be provided with left chamber and right chamber in described casing, be provided with the first heat storage and the first through hole in described left chamber, be provided with the second heat storage and the second through hole in described right chamber, also be provided with the first three-way device and the second three-way device in described casing, wherein, described the first three-way device comprises first passage, second channel and third channel, described first passage is communicated with described left chamber, described second channel is communicated with described right chamber, described third channel is communicated with the outside of described casing, described the second three-way device comprises four-way, Five-channel and the 6th passage, wherein, described four-way is communicated with described left chamber, described Five-channel is communicated with described right chamber, described the 6th passage is communicated with the outside of described casing, also be provided with in described casing be used to the first locking device that seals described first passage and described four-way with for the second locking device that seals described second channel and described Five-channel.
Preferably, above-mentioned the first through hole is arranged on a side of described the first heat storage, and described the first three-way device and the second three-way device are arranged on the opposite side of described the first heat storage.
Preferably, above-mentioned the first locking device comprises the first closing cap and drives the first drive unit that institute first states closing cap movement between described first passage and described four-way.
Preferably, above-mentioned the first drive unit is cylinder.
Preferably, also be provided with on above-mentioned casing be used to the first replacement port of changing described the first heat storage.
Preferably, adopt dividing plate and LIFT to isolate between above-mentioned left chamber and described right chamber.
Preferably, be provided with fiber insulation layer on the inwall of above-mentioned left chamber.
Preferably, the use switching cycle of above-mentioned left chamber and described right chamber is 30 seconds-200 seconds.
Preferably, above-mentioned the first heat storage coats described left chamber.
the flue gas heat conversion equipment that the invention described above provides, comprise casing, be provided with left chamber and right chamber in described casing, be provided with the first heat storage and the first through hole in described left chamber, be provided with the second heat storage and the second through hole in described right chamber, also be provided with the first three-way device and the second three-way device in described casing, wherein, described the first three-way device comprises first passage, second channel and third channel, described first passage is communicated with described left chamber, described second channel is communicated with described right chamber, described third channel is communicated with the outside of described casing, described the second three-way device comprises four-way, Five-channel and the 6th passage, wherein, described four-way is communicated with described left chamber, described Five-channel is communicated with described right chamber, described the 6th passage is communicated with the outside of described casing, also be provided with in described casing be used to the first locking device that seals described first passage and described four-way with for the second locking device that seals described second channel and described Five-channel.
during use, the first locking device does not seal first passage, four-way is sealed, the second locking device seals second channel, do not seal Five-channel, then the flue gas that needs is absorbed heat enters into left chamber from third channel, the heat of flue gas is absorbed by the first heat storage in left chamber, then flue gas is discharged from the first through hole, simultaneously, combustion air enters into right chamber from the second through hole, the second heat storage in right chamber has absorbed enough heats and has been stored in self from flue gas at this moment, heat in the second heat storage can be transferred in combustion air so, combustion air is carried out preheating, then the combustion air after preheating is discharged from the 6th passage, just can carry out combustion-supporting for fuel gas, because combustion air has passed through preheating, therefore improved the thermal efficiency of the burning of fuel gas, and the heat of the flue gas that discharges after gas fuel burning has obtained utilization, when heat less when the heat in the second heat storage or the flue gas that absorbs when the first heat storage is higher, the first locking device sealing first passage, do not seal four-way, the second locking device does not seal second channel, seal Five-channel, the flue gas that needs so to be absorbed heat can enter into right chamber from third channel, the heat of flue gas is absorbed by the second heat storage in right chamber, then flue gas is discharged from the second through hole, simultaneously, combustion air enters into left chamber from the first through hole, the first heat storage in left chamber has absorbed enough heats and has been stored in self from flue gas at this moment, heat in the first heat storage can be transferred in combustion air so, combustion air is carried out preheating, then the combustion air after preheating is discharged from the 6th passage, just can carry out combustion-supporting for fuel gas, because combustion air has passed through preheating, therefore improved the thermal efficiency of the burning of fuel gas, and the heat of the flue gas that discharges after gas fuel burning has obtained utilization, and the flue gas that is absorbed heat due to needs continues to supply with from third channel, the flue gas that has been absorbed heat continues discharging from the 6th passage, it is continual being transformed into from the process of the second heat storage absorption heat at combustion air from the first heat storage absorption heat so, thereby improved operating efficiency, and, this process is constantly to hocket, can remain that combustion air is preheating state, simultaneously, remain that the flue gas that need to be absorbed heat is also the heat that is absorbed that continues, the temperature of the flue gas of the final discharging of flue gas heat conversion equipment provided by the present invention is lower than 150 ℃, the thermal efficiency in prior art during combustion gas is lower than 30%, and flue gas heat conversion equipment provided by the present invention can be brought up to the thermal efficiency more than 80%.
Description of drawings
The sectional structure schematic diagram of left chamber's heat absorption of the flue gas heat conversion equipment that Fig. 1 provides for the embodiment of the present invention;
The sectional structure schematic diagram of the right chamber heat absorption of the flue gas heat conversion equipment that Fig. 2 provides for the embodiment of the present invention;
The left side sectional structure schematic diagram of the flue gas heat conversion equipment that Fig. 3 provides for the embodiment of the present invention.
In upper Fig. 1-3:
The specific embodiment
Core of the present invention is to provide a kind of flue gas heat conversion equipment, to realize the utilization again of flue gas heat, improves the combustion gas thermal efficiency.
In order to make those skilled in the art understand better the present invention program, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, Fig. 2 and Fig. 3, the sectional structure schematic diagram of left chamber's heat absorption of the flue gas heat conversion equipment that Fig. 1 provides for the embodiment of the present invention; The sectional structure schematic diagram of the right chamber heat absorption of the flue gas heat conversion equipment that Fig. 2 provides for the embodiment of the present invention; The left side sectional structure schematic diagram of the flue gas heat conversion equipment that Fig. 3 provides for the embodiment of the present invention.Wherein, the indication of the arrow in Fig. 1 and Fig. 2 is the flow direction of gas.
flue gas heat conversion equipment provided by the present invention, comprise casing 17, be provided with left chamber 13 and right chamber 16 in casing 17, be provided with the first heat storage 15 and the first through hole 7 in left chamber 13, be provided with the second heat storage 16 and the second through hole 8 in right chamber 14, also be provided with the first three-way device and the second three-way device in casing 17, wherein, the first three-way device comprises first passage 1, second channel 2 and third channel 3, first passage 1 is communicated with left chamber 13, second channel 2 is communicated with right chamber 14, third channel 3 is communicated with the outside of casing 17, the second three-way device comprises four-way 4, Five-channel 5 and the 6th passage 6, wherein, four-way 4 is communicated with left chamber 13, Five-channel 5 is communicated with right chamber 14, the 6th passage 6 is communicated with the outside of casing 17, also be provided with in casing 17 for the first locking device of sealing first passage 1 and four-way 4 with for the second locking device that seals second channel 2 and Five-channel 5.
during use, the first locking device does not seal first passage 1, with four-way 4 sealings, the second locking device is with second channel 2 sealings, do not seal Five-channel 5, as shown in Figure 1, then the flue gas that needs is absorbed heat enters into left chamber 13 from third channel 3, the heat of flue gas is absorbed by the first heat storage 15 in left chamber 13, then flue gas is discharged from the first through hole 7, simultaneously, combustion air enters into right chamber 14 from the second through hole 8, the second heat storage 16 in right chamber 14 has absorbed enough heats and has been stored in self from flue gas at this moment, heat in the second heat storage 16 can be transferred in combustion air so, combustion air is carried out preheating, then the combustion air after preheating is discharged from the 6th passage 6, just can carry out combustion-supporting for fuel gas, because combustion air has passed through preheating, therefore improved the thermal efficiency of the burning of fuel gas, and the heat of the flue gas that discharges after gas fuel burning has obtained utilization, when heat less when the heat in the second heat storage 16 or the flue gas that absorbs when the first heat storage 15 is higher, the first locking device sealing first passage 1, do not seal four-way 4, the second locking device does not seal second channel 2, seal Five-channel 5, as shown in Figure 2, the flue gas that needs so to be absorbed heat can enter into right chamber 14 from third channel 3, the heat of flue gas is absorbed by the second heat storage 16 in right chamber 14, then flue gas is discharged from the second through hole 8, simultaneously, combustion air enters into left chamber 13 from the first through hole 7, the first heat storage 15 in left chamber 13 has absorbed enough heats and has been stored in self from flue gas at this moment, heat in the first heat storage 15 can be transferred in combustion air so, combustion air is carried out preheating, then the combustion air after preheating is discharged from the 6th passage 6, just can carry out combustion-supporting for fuel gas, because combustion air has passed through preheating, therefore improved the thermal efficiency of the burning of fuel gas, and the heat of the flue gas that discharges after gas fuel burning has obtained utilization, and the flue gas that is absorbed heat due to needs is to continue to supply with from third channel 3, the flue gas that has been absorbed heat continues discharging from the 6th passage 6, it is continual being transformed into from the first heat storage 15 absorption heats the process that absorbs heats from the second heat storage 16 at combustion air so, thereby improved operating efficiency, and, this process is constantly to hocket, can remain that combustion air is preheating state, simultaneously, remain that the flue gas that need to be absorbed heat is also the heat that is absorbed that continues, the temperature of the flue gas of the final discharging of flue gas heat conversion equipment provided by the present invention is lower than 150 ℃, the thermal efficiency in prior art during combustion gas is lower than 30%, and flue gas heat conversion equipment provided by the present invention can be brought up to the thermal efficiency more than 80%.
Concrete, the first through hole 7 is arranged on a side of the first heat storage 15, and the first three-way device and the second three-way device are arranged on the opposite side of the first heat storage 15.To guarantee that the first heat storage 15 in left chamber 13 has time enough to absorb heat in the flue gas that need to be absorbed heat, simultaneously, combustion air also can have the heat in time enough absorption the first heat storage 15, certainly, the second through hole 8 and the first through hole 7 all are arranged on the same side of the first heat storage 15, as shown in Figure 3, like this, the second heat storage 16 in right chamber 14 also has time enough to absorb need to be absorbed the heat in the flue gas of heat, simultaneously, combustion air also can have the heat in time enough absorption the second heat storage 16.
Concrete, the first locking device comprises the first closing cap 11 and drives the first drive unit 9 that institute first states closing cap 11 movement between first passage 1 and four-way 4.can better the state of left chamber's 13 right chamber 14 heat releases of heat absorption be converted to the state of left chamber's 13 right chamber 14 heat absorptions of heat release like this, simple in structure, easy to operate, need not to use reversal valve, and this conversion is completed in casing 17, can be good at preventing the loss of heat, the first heat storage 15 and the second heat storage 16 can be coated on the first three-way device and the second three-way device, as long as combustion air enters with the flue gas that need to be absorbed heat the flue gas heat conversion equipment that the embodiment of the present invention provides like this, will heat transfer occur with the first heat storage 15 and the second heat storage 16, prevent the waste of heat, better improved conversion efficiency.Certainly, the second locking device can be to have the structure member identical with the first locking device, comprise the second closing cap 12 and drive the second drive unit 10 that institute second states closing cap 12 movement between second channel 2 and Five-channel 5, also can realize same effect.
Concrete, the first drive unit 9 is cylinder, and it is convenient to drive, and simple in structure, certain the second drive unit 10 also can be cylinder.
Concrete, also be provided with on casing 17 for the first replacement port of changing the first heat storage 15, with the replacing of convenient the first heat storage 15, same, can also be provided with on casing 17 for the second replacement port of changing the second heat storage 16, with the replacing of convenient the second heat storage 16.
Concrete, adopt dividing plate and LIFT to isolate between left chamber 13 and right chamber 14.Effect of heat insulation is better, has reduced the waste of heat, has improved the conversion efficiency of heat.
Concrete, being provided with fiber insulation layer on the inwall of left chamber 13, effect of heat insulation is better, has reduced the waste of heat, has improved the conversion efficiency of heat, certainly, also can be provided with fiber insulation layer on the inwall of right chamber 14, can play same effect.
Concrete, the use switching cycle of left chamber 13 and right chamber 14 is 30 seconds-200 seconds, heat absorption efficiency and exothermal efficiency according to the first heat storage 15 and the second heat storage 16, with the use switching cycle of left chamber 13 and right chamber 14 be decided to be 30 seconds-200 seconds proper, wherein, use to switch the state that comprises left chamber's 13 right chamber 14 heat releases of heat absorption and be converted to the state that this use of state of left chamber's 13 right chambers 14 heat absorptions of heat release is switched and the state of left chamber's 13 right chambers 14 heat absorptions of heat release is converted to left chamber's 13 right chamber 14 heat releases of heat absorption.
Concrete, the first heat storage 15 coats left chamber 13, the cavity of such the first heat storage 15 in the whole left chamber 13, can better complete heat absorption and release, equally, the second heat storage 16 also can coat right chamber 14, and the cavity of such the second heat storage 16 in the whole right chamber 14 can better be completed heat absorption and release.
Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (9)
1. flue gas heat conversion equipment, it is characterized in that, comprise casing (17), be provided with left chamber (13) and right chamber (14) in described casing (17), be provided with the first heat storage (15) and the first through hole (7) in described left chamber (13), be provided with the second heat storage (16) and the second through hole (8) in described right chamber (14)
Also be provided with the first three-way device and the second three-way device in described casing (17), wherein, described the first three-way device comprises first passage (1), second channel (2) and third channel (3), described first passage (1) is communicated with described left chamber (13), described second channel (2) is communicated with described right chamber (14), described third channel (3) is communicated with the outside of described casing (17)
Described the second three-way device comprises four-way (4), Five-channel (5) and the 6th passage (6), wherein, described four-way (4) is communicated with described left chamber (13), described Five-channel (5) is communicated with described right chamber (14), described the 6th passage (6) is communicated with the outside of described casing (17)
Also be provided with in described casing (17) be used to the first locking device that seals described first passage (1) and described four-way (4) with for the second locking device that seals described second channel (2) and described Five-channel (5).
2. flue gas heat conversion equipment according to claim 1, it is characterized in that, described the first through hole (7) is arranged on a side of described the first heat storage (15), and described the first three-way device and the second three-way device are arranged on the opposite side of described the first heat storage (15).
3. flue gas heat conversion equipment according to claim 1, it is characterized in that, described the first locking device comprises the first closing cap (11) and drives the first drive unit (9) that institute first states closing cap (11) movement between described first passage (1) and described four-way (4).
4. flue gas heat conversion equipment according to claim 3, is characterized in that, described the first drive unit (9) is cylinder.
5. flue gas heat conversion equipment according to claim 1, is characterized in that, also is provided be used to the first replacement port of changing described the first heat storage (15) on described casing (17).
6. flue gas heat conversion equipment according to claim 1, is characterized in that, adopts dividing plate and LIFT to isolate between described left chamber (13) and described right chamber (14).
7. flue gas heat conversion equipment according to claim 1, is characterized in that, is provided with fiber insulation layer on the inwall of described left chamber (13).
8. flue gas heat conversion equipment according to claim 1, is characterized in that, the use switching cycle of described left chamber (13) and described right chamber (14) is 30 seconds-200 seconds.
9. flue gas heat conversion equipment according to claim 1, is characterized in that, described the first heat storage (15) coats described left chamber (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310104826.8A CN103148503B (en) | 2013-03-28 | 2013-03-28 | A kind of flue gas heat conversion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310104826.8A CN103148503B (en) | 2013-03-28 | 2013-03-28 | A kind of flue gas heat conversion equipment |
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| CN103148503A true CN103148503A (en) | 2013-06-12 |
| CN103148503B CN103148503B (en) | 2015-09-23 |
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| CN201310104826.8A Active CN103148503B (en) | 2013-03-28 | 2013-03-28 | A kind of flue gas heat conversion equipment |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT295563B (en) * | 1969-02-08 | 1972-01-10 | Rheinstahl Henschel Ag | Regenerative heat exchanger |
| GB1504619A (en) * | 1974-07-16 | 1978-03-22 | Rothemuehle Brandt Kritzler | Regenerative air preheater |
| CN201715543U (en) * | 2010-07-13 | 2011-01-19 | 大连昌荣炉业有限公司 | Heat accumulating type heat exchanger |
| CN202066337U (en) * | 2011-01-28 | 2011-12-07 | 岳阳科德科技有限责任公司 | Thermal storage all-fiber car type furnace |
| CN202350547U (en) * | 2011-10-28 | 2012-07-25 | 天津市赛洋工业炉有限公司 | High-efficiency heat-accumulating flue gas waste heat recovery device for industrial furnace |
| CN203215706U (en) * | 2013-03-28 | 2013-09-25 | 重庆华东工业炉制造有限公司 | Flue gas heat conversion device |
-
2013
- 2013-03-28 CN CN201310104826.8A patent/CN103148503B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT295563B (en) * | 1969-02-08 | 1972-01-10 | Rheinstahl Henschel Ag | Regenerative heat exchanger |
| GB1504619A (en) * | 1974-07-16 | 1978-03-22 | Rothemuehle Brandt Kritzler | Regenerative air preheater |
| CN201715543U (en) * | 2010-07-13 | 2011-01-19 | 大连昌荣炉业有限公司 | Heat accumulating type heat exchanger |
| CN202066337U (en) * | 2011-01-28 | 2011-12-07 | 岳阳科德科技有限责任公司 | Thermal storage all-fiber car type furnace |
| CN202350547U (en) * | 2011-10-28 | 2012-07-25 | 天津市赛洋工业炉有限公司 | High-efficiency heat-accumulating flue gas waste heat recovery device for industrial furnace |
| CN203215706U (en) * | 2013-03-28 | 2013-09-25 | 重庆华东工业炉制造有限公司 | Flue gas heat conversion device |
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| CN103148503B (en) | 2015-09-23 |
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