CN204388667U - Flue gas waste heat recovery square heat exchanger - Google Patents
Flue gas waste heat recovery square heat exchanger Download PDFInfo
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- CN204388667U CN204388667U CN201520008880.7U CN201520008880U CN204388667U CN 204388667 U CN204388667 U CN 204388667U CN 201520008880 U CN201520008880 U CN 201520008880U CN 204388667 U CN204388667 U CN 204388667U
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Abstract
The utility model discloses a kind of flue gas waste heat recovery square heat exchanger, it comprises: at least one heat exchange core, this heat exchange core is square, it has a plurality of the first through from bottom to top ripple gap and a plurality of the second through from left to right ripple gap, and this first ripple gap and the second ripple gap completely cut off mutually; At least four adapter covers, this adapter cover comprises the fixing cover body of one and joint, and this cover body has a square interface, and one end that this cover body is connected with joint is rounded; Four described adapter covers are all fixed on the upper and lower port in heat exchange core in the first ripple gap and the left and right port in the second ripple gap by its square interface, wherein two adapter covers and the first ripple gap conducting; Two other adapter cover and the second ripple gap conducting.The utility model structure is simple, and heat transfer effect is highly desirable, so that has fabulous flue gas waste heat recovery effect.
Description
Technical field:
The utility model relates to heat-exchanger products technical field, refers in particular to a kind of flue gas waste heat recovery square heat exchanger.
Background technology:
Current Industrial Boiler is the main thermal powerplant of China, and along with China's rapid economic development, energy resource consumption increases day by day, and the problem that urban air quality goes from bad to worse is outstanding all the more.In thermal power, energy consumption is high, pollute the fume emission that high one of the main reasons is exactly boiler, and boiler exhaust gas deposits problem both ways: the direct pollution being flue gas pollutant on the one hand, is exactly too high exhaust gas temperature on the other hand, waste heat energy.In order to improve the thermal efficiency of kiln further, reach energy-saving and cost-reducing object, Mist heat recovering is also an important energy-conserving and environment-protective approach.
Flue gas is the main path of general energy consumption equipment waste energy, and such as boiler exhaust gas power consumption is large about 15%, and the main power consumption such as the forming machine of other equipment such as dyeing, dryer and kiln is all pass through fume emission.The heat that flue gas is mainly carried by certain heat exchange mode by flue gas waste heat recovery converts utilizable heat to.Multiple industrially developed country all attaches great importance to the recycling to industrial smoke waste heat, be applied in flue gas waste heat recovery heat exchanger development, produce and popularization first develop.In recent years, China progressively started the theory accepting flue gas waste heat recovery, and adopted flue gas waste heat recovery system in existing power plant and part new power plant construction, improved whole factory operational efficiency 1-1.5%, reduced coal consumption.
In view of this, the present inventor proposes following technical scheme.
Utility model content:
The purpose of this utility model is to overcome the deficiencies in the prior art, and provide a kind of structure simple, heat transfer effect is highly desirable, so that has the flue gas waste heat recovery square heat exchanger of fabulous flue gas waste heat recovery effect.
In order to solve the problems of the technologies described above, the utility model have employed following technical proposals: this flue gas waste heat recovery square heat exchanger comprises: at least one heat exchange core, this heat exchange core is square, it has a plurality of the first through from bottom to top ripple gap and a plurality of the second through from left to right ripple gap, and this first ripple gap and the second ripple gap completely cut off mutually; At least four adapter covers, this adapter cover comprises the fixing cover body of one and joint, and this cover body has a square interface, and one end that this cover body is connected with joint is rounded; Four described adapter covers are all fixed on the upper and lower port in heat exchange core in the first ripple gap and the left and right port in the second ripple gap by its square interface, wherein two adapter covers and the first ripple gap conducting; Two other adapter cover and the second ripple gap conducting.
Furthermore, in technique scheme, described heat exchange core comprise by multiple plate groups weld formed plate bundle, be fixed on plate bundle two ends and the head plate be square and tailgate and at least four for being fixed on the strap of plate bundle, head plate and tailgate.
Furthermore, in technique scheme, each described plate groups comprises two plate shapes and constructs identical plate, wherein, by being welded and fixed between two plates, forms the first described ripple gap between it; By being welded and fixed between each described plate groups, between it, form the second described ripple gap.
Furthermore, in technique scheme, described plate is in square, and this plate punch forming has a plurality of dark ripple protruding, the part of the relatively dark ripple projection in another plate face of this plate is dark corrugation grooves, and these plate both sides of the edge towards the direction bending of dark ripple projection to form folding edge.
Furthermore, in technique scheme, the height of described dark ripple projection is consistent with the height of folding edge.
Furthermore, in technique scheme, plate described in two panels is welded and fixed by its folding edge correspondence, and wherein, the protruding docking mutually of the dark ripple between it, forms a plate groups; Every two described plate groups are welded and fixed by the other two edges of plate relative to folding edge, the plate bundle described in formation.
Furthermore, in technique scheme, the dark ripple projection in described plate is in skewed, and it is highly 5-7mm.
Furthermore, in technique scheme, the cross section of described strap is formed rectangular-shaped, and it is coated and fixed on four bights of plate bundle, head plate and tailgate respectively, and by being welded and fixed.
Furthermore, in technique scheme, described cover body is by the conglobate shape of square contraction gradual change.
Furthermore, in technique scheme, the quantity of described heat exchange core is four, and it is superimposed with matrix pattern, and by being welded and fixed, form a large-scale heat exchange core, this large-scale heat exchange core surrounding is installed with a large-scale adapter cover respectively.
After adopting technique scheme, the utility model has following beneficial effect compared with prior art: when the utility model uses, high-temperature flue gas is imported along the adapter cover being positioned at lower end, flow through after heat exchange core carries out heat exchange and flow out (discharge) from the adapter cover of upper end, in addition, the adapter cover of Cryogenic air from right side is imported, flows through after heat exchange core carries out the heat exchange of several backhaul and flow out (discharge) from the adapter cover in left side, with gas to being complete " fork adverse current ".Dark ripple projection due to plate in heat exchange core has " quiet stirring " effect, can form turbulent flow, when flue gas flow rate is lower, can form turbulent flow equally, effectively can improve heat transfer efficiency under very low Reynolds number.In addition, because the port in the first ripple gap of the utility model heat exchange core and the second ripple gap is comparatively large, can be beneficial between gas and carry out effective heat exchange, that is, the utility model has good flue gas waste heat recovery effect.
Accompanying drawing illustrates:
Fig. 1 is stereogram of the present utility model;
Fig. 2 is the stereogram of heat exchange core in the utility model;
Fig. 3 is the stereogram of the utility model plate;
Fig. 4 is the welding schematic diagram of the utility model plate groups;
Fig. 5 is the welding schematic diagram at another visual angle of the utility model plate groups;
Fig. 6 is the structural representation of the large-scale heat exchange core that the utility model assembling is formed;
Fig. 7 is the perspective view of the large-scale square heat exchanger that the utility model assembling is formed.
Detailed description of the invention:
Below in conjunction with specific embodiments and the drawings, the utility model is further illustrated.
As shown in Figure 1, be a kind of flue gas waste heat recovery square heat exchanger, it comprises: at least one heat exchange core 1 and at least four adapter covers 2 be installed on heat exchange core 1.
Shown in composition graphs 2, described heat exchange core 1 is square, and it has a plurality of the first through from bottom to top ripple gap 101 and a plurality of the second through from left to right ripple gap 102, and this first ripple gap 101 and the second ripple gap 102 completely cut off mutually.
Because heat exchange core 1 is square, convenient to cause adapter cover 2 to assemble up, structure is more firm, and stability is better.
Shown in composition graphs 3-5, described heat exchange core 1 comprise by multiple plate groups 10 weld formed plate bundle, be fixed on plate bundle two ends and the head plate 11 be square and tailgate 12 and at least four for being fixed on the strap 13 of plate bundle, head plate 11 and tailgate 12.Specifically, each described plate groups 10 comprises two plate shapes and constructs identical plate 14, wherein, by being welded and fixed between two plates 14, forms the first described ripple gap 101 between it; By being welded and fixed between each described plate groups 10, between it, form the second described ripple gap 102.Plate 14 described in two panels is welded and fixed by its folding edge correspondence, and wherein, the protruding docking mutually of the dark ripple between it, forms a plate groups 10; Every two described plate groups 10 are welded and fixed by the other two edges of plate relative to folding edge, the plate bundle described in formation.
Described plate 14 is in square, and it adopts thickness to be that the stainless steel 0Cr18Ni9 compacting of 0.8mm forms.This plate 14 punch forming has a plurality of dark ripple projection 141, and the part of the relatively dark ripple projection 141 in another plate face of this plate 14 is dark corrugation grooves, and these plate 14 both sides of the edge towards the direction bending of dark ripple projection 141 to form folding edge 142.The height of described dark ripple projection 141 is consistent with the height of folding edge 142, and the dark ripple protruding 141 in described plate 14 is in skewed, and the height of this dark ripple projection 141 is 5-7mm.
Described plate 14 adopts dark ripple protruding, and it is wide pitch design, has the characteristic of low pressure drop, helps and heat exchange between gas.
The cross section of described strap 13 is formed rectangular-shaped, and it is coated and fixed on four bights of plate bundle, head plate 11 and tailgate 12 respectively, and by being welded and fixed, the heat exchange core 1 described in formation.
Described adapter cover 2 comprises the fixing cover body 21 of one and joint 22, and this cover body 21 has a square interface, and one end that this cover body 21 is connected with joint 22 is rounded, and this cover body 21 is by the conglobate shape of square contraction gradual change.
Four described adapter covers 2 are all fixed on the upper and lower port in heat exchange core 1 in first ripple gap 101 and the left and right port in the second ripple gap 102 by its square interface, wherein two adapter covers and the first ripple gap 101 conducting; Two other adapter cover and the second ripple gap 102 conducting.
The utility model is all welded type heat exchanger, and it can realize " fork adverse current " heat exchange, thus greatly can save material, reduces weight of equipment and manufacturing cost, reduces cost.
When the utility model uses, high-temperature flue gas is imported along the adapter cover being positioned at lower end, flow through after heat exchange core carries out heat exchange and flow out (discharge) from the adapter cover of upper end, in addition, the adapter cover of Cryogenic air from right side is imported, flow through after heat exchange core carries out the heat exchange of several backhaul and flow out (discharge) from the adapter cover in left side, with gas to being complete " fork adverse current ".Dark ripple projection due to plate in heat exchange core has " quiet stirring " effect, can form turbulent flow, when flue gas flow rate is lower, can form turbulent flow equally, effectively can improve heat transfer efficiency under very low Reynolds number.In addition, because the port in the first ripple gap of the utility model heat exchange core and the second ripple gap is comparatively large, can be beneficial between gas and carry out effective heat exchange, that is, the utility model has good flue gas waste heat recovery effect.
The energy recovery of the most applicable all types of industries stove of the utility model, cellar for storing things furnace exhaust gas flue gas, the heat energy of recovery both can be used for heating combustion-supporting new wind, also can the medium such as heating water or do other purposes.In addition, also can extensive use in recovery system in all industrial scale such as food, papermaking, petrochemical industry, electric power, iron and steel, smelting.
The application of the utility model on oil-burning gas-fired boiler, can make coercibility dusty gas in flue gas as condensations such as SO2 and NOx, decrease the discharge of pollution gas in flue gas.In addition, the utility model reduces the direct thermal pollution of flue gas to atmospheric environment while reducing exhaust gas temperature, reduces smoke evacuation energy loss, improves boiler operating efficiency.
The utility model is except can significantly except economize energy, and due to the effect of condensation, the harmful substance entering air also will greatly reduce.Measure according to science, the harmful substance reduction entering air after flue gas condensing is as follows: sulfur dioxide reduces 80%; Steam reduces 60%; Carbon monoxide reduces 60%; Flue dust reduces 93%; Nitrogen oxide reduces 50%; Carbon dioxide reduces 40%.
Shown in Fig. 6,7, the utility model has good sliceable property, when smoke discharge amount is larger, can be stitched together with several square heat exchanger, becomes a large-scale square heat exchanger.Specifically, the quantity of described heat exchange core 1 is four, it is superimposed with matrix pattern, and by being welded and fixed, form a large-scale heat exchange core 20, this large-scale heat exchange core 20 surrounding is installed with a large-scale adapter cover 200 respectively, and the structure of this large-scale adapter cover 200 is the same with above-mentioned adapter cover 2, and this is no longer going to repeat them.
Certainly, the foregoing is only specific embodiment of the utility model, be not limit the utility model practical range, all equivalences done according to structure, feature and principle described in the utility model claim change or modify, and all should be included in the utility model claim.
Claims (10)
1. flue gas waste heat recovery square heat exchanger, is characterized in that: it comprises:
At least one heat exchange core (1), this heat exchange core (1) is square, it has a plurality of the first through from bottom to top ripple gap (101) and a plurality of the second through from left to right ripple gap (102), and this first ripple gap (101) and the second ripple gap (102) completely cut off mutually;
At least four adapters cover (2), this adapter cover (2) comprises the fixing cover body (21) of one and joint (22), this cover body (21) has a square interface, and one end that this cover body (21) is connected with joint (22) is rounded;
Four described adapters cover (2) are all fixed on the upper and lower port in heat exchange core (1) in the first ripple gap (101) and the left and right port in the second ripple gap (102) by its square interface, wherein two adapter covers and the first ripple gap (101) conducting; Two other adapter cover and the second ripple gap (102) conducting.
2. flue gas waste heat recovery square heat exchanger according to claim 1, is characterized in that: described heat exchange core (1) comprise by multiple plate groups (10) weld formed plate bundle, be fixed on plate bundle two ends and the head plate (11) be square and tailgate (12) and at least four for being fixed on the strap (13) of plate bundle, head plate (11) and tailgate (12).
3. flue gas waste heat recovery square heat exchanger according to claim 2, it is characterized in that: each described plate groups (10) comprises two plate shapes and constructs identical plate (14), wherein, by being welded and fixed between two plates (14), between it, form the first described ripple gap (101); By being welded and fixed between each described plate groups (10), between it, form the second described ripple gap (102).
4. flue gas waste heat recovery square heat exchanger according to claim 3, it is characterized in that: described plate (14) is in square, this plate (14) punch forming has a plurality of dark ripple projection (141), the part of the relatively dark ripple projection (141) in another plate face of this plate (14) is dark corrugation grooves, and this plate (14) both sides of the edge towards the direction bending of dark ripple projection (141) to form folding edge (142).
5. flue gas waste heat recovery square heat exchanger according to claim 4, is characterized in that: the height of described dark ripple projection (141) is consistent with the height of folding edge (142).
6. flue gas waste heat recovery square heat exchanger according to claim 4, it is characterized in that: plate described in two panels (14) is welded and fixed by its folding edge correspondence, wherein, the protruding docking mutually of the dark ripple between it, forms a plate groups (10); Every two described plate groups (10) are welded and fixed by the other two edges of plate relative to folding edge, the plate bundle described in formation.
7. flue gas waste heat recovery square heat exchanger according to claim 4, is characterized in that: the dark ripple projection (141) in described plate (14) is in skewed, and it is highly 5-7mm.
8. flue gas waste heat recovery square heat exchanger according to claim 2, it is characterized in that: the cross section of described strap (13) is formed rectangular-shaped, it is coated and fixed on four bights of plate bundle, head plate (11) and tailgate (12) respectively, and by being welded and fixed.
9. flue gas waste heat recovery square heat exchanger according to claim 1, is characterized in that: described cover body (21) is by the conglobate shape of square contraction gradual change.
10. the flue gas waste heat recovery square heat exchanger according to claim 1-9 any one, it is characterized in that: the quantity of described heat exchange core (1) is four, it is superimposed with matrix pattern, and by being welded and fixed, form a large-scale heat exchange core, this large-scale heat exchange core surrounding is installed with a large-scale adapter cover respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520008880.7U CN204388667U (en) | 2015-01-05 | 2015-01-05 | Flue gas waste heat recovery square heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520008880.7U CN204388667U (en) | 2015-01-05 | 2015-01-05 | Flue gas waste heat recovery square heat exchanger |
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| Publication Number | Publication Date |
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| CN204388667U true CN204388667U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520008880.7U Active CN204388667U (en) | 2015-01-05 | 2015-01-05 | Flue gas waste heat recovery square heat exchanger |
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| CN (1) | CN204388667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288886A (en) * | 2016-10-14 | 2017-01-04 | 陈琛 | Monolithic gas heat exchanger |
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2015
- 2015-01-05 CN CN201520008880.7U patent/CN204388667U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288886A (en) * | 2016-10-14 | 2017-01-04 | 陈琛 | Monolithic gas heat exchanger |
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