CN101216266A - Discharge gas and waste heat recovery heat converter - Google Patents
Discharge gas and waste heat recovery heat converter Download PDFInfo
- Publication number
- CN101216266A CN101216266A CNA2008100451956A CN200810045195A CN101216266A CN 101216266 A CN101216266 A CN 101216266A CN A2008100451956 A CNA2008100451956 A CN A2008100451956A CN 200810045195 A CN200810045195 A CN 200810045195A CN 101216266 A CN101216266 A CN 101216266A
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- China
- Prior art keywords
- heat exchanger
- gas
- heat
- waste
- air deflector
- 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
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- 239000007789 gas Substances 0.000 title claims abstract description 95
- 239000002918 waste heat Substances 0.000 title claims abstract description 44
- 238000011084 recovery Methods 0.000 title claims description 44
- 239000002912 waste gas Substances 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract 4
- 238000002485 combustion reaction Methods 0.000 abstract 2
- 238000000638 solvent extraction Methods 0.000 abstract 2
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a heat exchanger for recovering exhaust gas and waste heat, which comprises a heat exchanger and a fluid diverter. The heat exchanger comprises a case body and corrugated heat exchange plates. The case body has a cuboid structure with opened up and down end surfaces; the corrugated heat exchange plates are laminated together and fixed inside the case body; and a gas passage is provided between adjacent corrugated heat exchange plates, and the inlet and outlet of the gas passage are provided on one of the opened end surfaces. The fluid diverter comprises a case body and passage partitioning plates; the partitioning plates are parallelly disposed and fixed inside the case body of the fluid diverter to divide the space of case body into an exhaust gas passage and a combustion supporting gas passage; the fluid diverter is installed at the inlet and outlet of the heat exchanger; and the exhaust gas passage and the combustion supporting gas passage are separated from each other. The inventive heat exchanger can recover exhaust gas and waste heat on site; and has the advantages of small volume, light weight, simple structure, remarkably improved unit volume heat exchange efficiency, good reliability, saved energy consumption and environmental friendliness.
Description
Technical field
The invention belongs to waste gas Waste Heat Recovery apparatus field, be specifically related to the discharge gas and waste heat recovery heat converter of energy exchange between a kind of boiler, industrial furnace waste gas and the combustion-supporting gas of combustion-type.
Background technology
There is following shortcoming in existing application in the heat exchanger of waste gas Waste Heat Recovery: the main mode of utilizing that 1, reclaims heat: generate hot water or heating fuel, make it under the situation of firing equipment continuous operation, the energy of system recoveries is difficult to digest to greatest extent; 2, existing this type of heat exchanger that is applied to carry out between waste gas and the combustion-supporting gas energy exchange, big because of volume, weight is big, structure and complex process, difficult in maintenance, thereby organic efficiency and volume ratio are not the very desirable economy that reduced, and have limited its practicality and technology and have promoted degree.
In addition, when adopting air to carry out Waste Heat Recovery, generally be provided with the structure that heat exchanger fin and conducting strip are used.This structure though conducting strip has increased area of dissipation, has also produced the heat stagnation effect simultaneously, has limited the raising of Waste Heat Recovery efficient greatly.
Summary of the invention
The objective of the invention is to overcome above-mentioned technical deficiency, a kind of discharge gas and waste heat recovery heat converter is provided, this heat exchanger not only heat exchange efficiency of unit volume significantly promotes, waste gas used heat can be digested on the spot, and good reliability, energy-conserving and environment-protective are of value to applying of industrial and mining enterprises.
For reaching the foregoing invention purpose, the technical scheme that is adopted is: a kind of discharge gas and waste heat recovery heat converter is characterized in that: described heat exchanger comprises heat exchanger and air deflector; Described heat exchanger comprises heat exchanger shell and waveform heat exchanger fin; Described heat exchanger shell is two rectangular structure that end face is uncovered up and down; Described waveform heat exchanger fin is stacked together, is fixed in the heat exchanger shell; Leave gas passage between adjacent described waveform heat exchanger fin, the delivery outlet that advances of gas passage is arranged on the uncovered one side; Described air deflector comprises air deflector casing and channel partition; Be arranged in parallel between described channel partition, be fixed in the air deflector casing, space in the air deflector casing is divided into exhaust steam passage and combustion-supporting gas passage; Described air deflector is arranged on the equipped at outlet port that advances of heat exchanger; Described exhaust steam passage and combustion-supporting gas passage space are provided with, and the exhaust steam passage upper end is uncovered, and at least one side in combustion-supporting gas passage both sides is set to uncovered structure; Described air deflector casing and heat exchanger are to the uncovered setting of an end face that is connected.
According to discharge gas and waste heat recovery heat converter provided by the invention, it is characterized in that: described waveform heat exchanger fin parallel or perpendicular to gas direction on evenly be provided with the heat exchanger fin reinforcement, described heat exchanger fin reinforcement and waveform heat exchanger fin are structure as a whole.
According to discharge gas and waste heat recovery heat converter provided by the invention, it is characterized in that: the parallel with one another or series connection of described heat exchanger.
According to discharge gas and waste heat recovery heat converter provided by the invention, it is characterized in that: the gas passage total sectional area of described heat exchanger is not less than waste gas airduct sectional area and the combustion-supporting gas airduct connects the area sum.
According to discharge gas and waste heat recovery heat converter provided by the invention, it is characterized in that: described heat exchanger outer setting has open being used for that heat exchanger is fixed on lagging casing on the equipment or on the airduct.
According to discharge gas and waste heat recovery heat converter provided by the invention, it is characterized in that: the gas input port place of described heat exchanger is provided with promising gas aerodynamic air pump is provided.
According to discharge gas and waste heat recovery heat converter provided by the invention, it is characterized in that: four gas input/output port places of described air deflector respectively are provided with a debugging that is used for energy conserving system and find the HVAC air-valve of desirable operating point at some environment and the duty parameter Shi Junneng that changes.
According to discharge gas and waste heat recovery heat converter provided by the invention, it is characterized in that: the air-valve place of the gas input/output port of described air deflector is provided with the gas-tpe fitting of drawing that is used to indicate air-flow differential.
According to discharge gas and waste heat recovery heat converter provided by the invention, it is characterized in that: described heat exchanger adopts in light weight, heat conduction and heat transfer efficiency height, resistant to elevated temperatures material to make.
Discharge gas and waste heat recovery heat converter provided by the present invention has the following advantages: 1, adopt the digestion (heating combustion-supporting gas) on the spot that will recover energy, solved the difficult predicament of digestion that recovers energy; 2, with strong points, be mainly used in the boiler of combustion-type, the exhaust energy recovery of industrial furnace equipment, the energy conserving system volume of this kind equipment is accomplished to minimize, make the later stage operation maintenance of the debugging of the manufacturing of design, the equipment of this application system, enforcement that meter changes engineering, system and system all simpler and convenient simultaneously, in addition, therefore organic efficiency does not but reduce in the time of volume-diminished, can also obtain raising to a certain degree on the contrary; 3, energy-conserving and environment-protective are taked in advance combustion-supporting gas to be heated, and can improve ignition temperature, the burning that makes fuel more fully, higher, the consumption of utilization rate still less, can reduce discharge of harmful gases simultaneously; 4, this discharge gas and waste heat recovery heat converter construction period weak point is little to the influence of ordinary production in technological transformation is implemented.
Description of drawings
Fig. 1 is the fundamental diagram of discharge gas and waste heat recovery heat converter provided by the invention;
Fig. 2 is the structure chart of the air deflector of discharge gas and waste heat recovery heat converter provided by the invention;
Fig. 3 is the external structure of the heat exchanger of discharge gas and waste heat recovery heat converter provided by the invention;
Fig. 4 is the cut-away view of the heat exchanger of discharge gas and waste heat recovery heat converter provided by the invention;
Fig. 5 is the waveform heat exchanger fin structure chart of discharge gas and waste heat recovery heat converter provided by the invention.
Wherein, 1, heat exchanger; 101, heat exchanger casing; 102, waveform heat exchanger fin; 1021, heat exchanger fin reinforcement; 2, air deflector; 201, exhaust steam passage; 202, combustion-supporting gas passage; 203, channel partition; 204, air deflector casing.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described.
Basic functional principle of the present invention is to reclaim burning back waste-gas heat by discharge gas and waste heat recovery heat converter provided by the invention combustion-supporting gas is heated in advance, because the combustion-supporting gas after the preheating carries certain heat and enters boiler, industrial furnace, thereby reduce the needed fuel quantity of burning.Simultaneously, because waste gas is used to combustion-supporting gas is carried out preheating, thereby the heat loss in the waste gas also is reduced, thereby reaches the purpose of environmental protection and energy saving.In addition, combustion-supporting gas unnecessary after the preheating can carry out preheating to product, also can produce needed fuel quantity thereby reduce to the equipment additional heat.
Fig. 1 is the fundamental diagram of discharge gas and waste heat recovery heat converter provided by the invention.As shown in the figure, a kind of discharge gas and waste heat recovery heat converter comprises a heat exchanger 1 and two air deflectors 2; Air deflector 2 is separately positioned on the two ends at the gas inlet and outlet place of heat exchanger 1.During use, waste gas is entered by the place, waste gas input port of below air deflector 2, through heat exchanger 1 and air deflector 2, discharges from the waste gas equipped at outlet port of top air deflector 2; Combustion-supporting gas is entered by the place, combustion-supporting gas input port of top air deflector 2, through heat exchanger 1 and air deflector 2, discharges from the combustion-supporting gas equipped at outlet port of below air deflector 2.
During use,, can select the heat exchanger quantity of using according to the setting and the toxic emission speed of exhaust gas discharging airduct.Big and the toxic emission speed of exhaust gas discharging airduct bore hour can be used a plurality of heat exchangers are in parallel, to improve the disposal ability of heat exchanger; When little the and toxic emission speed of exhaust gas discharging airduct bore is big, a plurality of heat exchanger in series can be used, to improve the Waste Heat Recovery rate of heat exchanger.In addition, according to design, construction environment and the Waste Heat Recovery requirement of airduct, also can select in parallel or series connection use with a plurality of heat exchangers.
Fig. 2 is the structure chart of the air deflector of discharge gas and waste heat recovery heat converter provided by the invention.As shown in the figure, described air deflector 2 comprises air deflector casing 204 and channel partition 203; 203 of described channel partitions are arranged in parallel, and are fixed in the air deflector casing 204, and space in the air deflector casing 204 is divided into exhaust steam passage 201 and combustion-supporting gas passage 202; Described exhaust steam passage 201 and combustion-supporting gas passage 202 spaces are provided with, and exhaust steam passage 201 upper ends are uncovered, and at least one side in combustion-supporting gas passage 202 both sides is set to uncovered structure; Described air deflector casing 204 and heat exchanger 1 are to the uncovered setting of an end face that is connected.
Fig. 3 is the external structure of the heat exchanger of discharge gas and waste heat recovery heat converter provided by the invention; Fig. 4 is the cut-away view of the heat exchanger of discharge gas and waste heat recovery heat converter provided by the invention; Fig. 5 is the waveform heat exchanger fin structure chart of discharge gas and waste heat recovery heat converter provided by the invention.As shown in the figure, described heat exchanger 1 comprises heat exchanger shell 101 and waveform heat exchanger fin 102; Described heat exchanger shell 101 is two rectangular structure that end face is uncovered up and down; Described waveform heat exchanger fin 102 is stacked together, is fixed in the heat exchanger shell 101; Leave gas passage 102 of adjacent described waveform heat exchanger fins, the delivery outlet that advances of gas passage is arranged on the uncovered one side, and described waveform heat exchanger fin 102 evenly is provided with heat exchanger fin reinforcement 1021 in gas flow.
The modularized design of heat exchanger proposed by the invention and the structural design of heat exchange section have all been done careful consideration to the making of heat exchanger, the design of waste gas WHRS, the Installation and Debugging and the operation maintenance in later stage of system.
In addition, can heat exchanger outer setting one open and be fixed on lagging casing on equipment or the airduct, this lagging casing plays stable support to heat exchanger simultaneously except that possessing heat insulation function, make heat exchanger install easily, dismantle, thereby be convenient to safeguard, change, reduce the later stage operation and maintenance cost of energy conserving system; Consider that the pressure that heat exchanger fin bears has certain limit, the side back side at air deflector is provided with the gas-tpe fitting of drawing, the pressure reduction of air-flow in the passage is faced in indication mutually when being used for the energy conserving system debugging, front and back pressure reduction during indication tow channel gas circulation over-heat-exchanger provides foundation for energy conserving system moves and safeguards; A HVAC air-valve is respectively installed at four gas input/output port places of heat exchanger, is convenient to the debugging of energy conserving system and finds desirable operating point at some environment and the duty parameter Shi Junneng that changes; Consider the also corresponding increase to some extent of gas-flow resistance after having increased heat exchanger on the gas channel, so, all should be provided with air pump before combustion-supporting gas enters heat exchanger and in the exhaust steam passage air force is provided; Total ventilation section of heat exchanger should be not less than original airduct cross section, and whole in addition heat exchanger can also be designed to the form that can decompose fully, does not just need welding; That described heat exchanger adopts is in light weight, heat conduction and heat transfer efficiency height, resistant to elevated temperatures material are made, for example aluminium sheet etc.
Claims (9)
1. discharge gas and waste heat recovery heat converter, it is characterized in that: described heat exchanger comprises heat exchanger (1) and air deflector (2); Described heat exchanger (1) comprises heat exchanger shell (101) and waveform heat exchanger fin (102); Described heat exchanger shell (101) is two rectangular structure that end face is uncovered up and down; Described waveform heat exchanger fin (102) is stacked together, is fixed in the heat exchanger shell (101); Leave gas passage between adjacent described waveform heat exchanger fin (102), the delivery outlet that advances of gas passage is arranged on the uncovered one side; Described air deflector (2) comprises air deflector casing (204) and channel partition (203); Described channel partition is arranged in parallel between (203), is fixed in the air deflector casing (204), and the interior space of air deflector casing (204) is divided into exhaust steam passage (201) and combustion-supporting gas passage (202); Described air deflector (2) is arranged on the equipped at outlet port that advances of heat exchanger (1); Described exhaust steam passage (201) and combustion-supporting gas passage (202) space are provided with, and exhaust steam passage (201) upper end is uncovered, and at least one side in combustion-supporting gas passage (202) both sides is set to uncovered structure; Described air deflector casing (204) and heat exchanger (1) are to the uncovered setting of an end face that is connected.
2. discharge gas and waste heat recovery heat converter according to claim 1, it is characterized in that: described waveform heat exchanger fin (102) parallel or perpendicular to gas direction on evenly be provided with heat exchanger fin reinforcement (1021), described heat exchanger fin reinforcement (1021) and waveform heat exchanger fin (102) are structure as a whole.
3. discharge gas and waste heat recovery heat converter according to claim 1 is characterized in that: the parallel with one another or series connection of described heat exchanger.
4. discharge gas and waste heat recovery heat converter according to claim 1 is characterized in that: the gas passage total sectional area of described heat exchanger is not less than waste gas airduct sectional area and the combustion-supporting gas airduct connects the area sum.
5. discharge gas and waste heat recovery heat converter according to claim 1 is characterized in that: described heat exchanger outer setting is useful on heat exchanger is fixed on lagging casing on the equipment or on the airduct.
6. discharge gas and waste heat recovery heat converter according to claim 1 is characterized in that: the gas input port place of described heat exchanger is provided with promising gas aerodynamic air pump is provided.
7. discharge gas and waste heat recovery heat converter according to claim 1 is characterized in that: four gas input/output port places of described air deflector respectively are provided with a debugging that is used for energy conserving system and find the HVAC air-valve of desirable operating point at some environment and the duty parameter Shi Junneng that changes.
8. discharge gas and waste heat recovery heat converter according to claim 1 is characterized in that: the air-valve place of the gas input/output port of described air deflector is provided with the gas-tpe fitting of drawing that is used to indicate air-flow differential.
9. discharge gas and waste heat recovery heat converter according to claim 1 is characterized in that: described heat exchanger adopts in light weight, heat conduction and heat transfer efficiency height, resistant to elevated temperatures material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810045195A CN101216266B (en) | 2008-01-15 | 2008-01-15 | Discharge gas and waste heat recovery heat converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810045195A CN101216266B (en) | 2008-01-15 | 2008-01-15 | Discharge gas and waste heat recovery heat converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101216266A true CN101216266A (en) | 2008-07-09 |
| CN101216266B CN101216266B (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810045195A Expired - Fee Related CN101216266B (en) | 2008-01-15 | 2008-01-15 | Discharge gas and waste heat recovery heat converter |
Country Status (1)
| Country | Link |
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| CN (1) | CN101216266B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102419121A (en) * | 2011-12-09 | 2012-04-18 | 中国船舶重工集团公司第七�三研究所 | Heat exchange unit of heat exchange device |
| CN104075593A (en) * | 2014-06-10 | 2014-10-01 | 佛山市科蓝环保科技股份有限公司 | Staggered novel heat exchanger |
| CN106123013A (en) * | 2016-06-30 | 2016-11-16 | 刘启端 | Modularity corrugated plate-type heat exchangers |
| CN106440833A (en) * | 2016-09-26 | 2017-02-22 | 刘启端 | Wet-process dust removal, desulfurization and denitrification system and method for flue gas |
| CN113101784A (en) * | 2021-04-02 | 2021-07-13 | 广东亿云智能环保科技有限公司 | Kitchen garbage biodegradable exhaust-gas treatment and waste heat recovery integrated device |
-
2008
- 2008-01-15 CN CN200810045195A patent/CN101216266B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102419121A (en) * | 2011-12-09 | 2012-04-18 | 中国船舶重工集团公司第七�三研究所 | Heat exchange unit of heat exchange device |
| CN104075593A (en) * | 2014-06-10 | 2014-10-01 | 佛山市科蓝环保科技股份有限公司 | Staggered novel heat exchanger |
| CN104075593B (en) * | 2014-06-10 | 2016-08-24 | 佛山市科蓝环保科技股份有限公司 | A kind of alternating expression heat exchanger |
| CN106123013A (en) * | 2016-06-30 | 2016-11-16 | 刘启端 | Modularity corrugated plate-type heat exchangers |
| CN106440833A (en) * | 2016-09-26 | 2017-02-22 | 刘启端 | Wet-process dust removal, desulfurization and denitrification system and method for flue gas |
| CN113101784A (en) * | 2021-04-02 | 2021-07-13 | 广东亿云智能环保科技有限公司 | Kitchen garbage biodegradable exhaust-gas treatment and waste heat recovery integrated device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101216266B (en) | 2012-10-03 |
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Granted publication date: 20121003 |