CN204648683U - Double-air-duct multi-path bypass type condensation heat exchanger - Google Patents
Double-air-duct multi-path bypass type condensation heat exchanger Download PDFInfo
- Publication number
- CN204648683U CN204648683U CN201520113617.4U CN201520113617U CN204648683U CN 204648683 U CN204648683 U CN 204648683U CN 201520113617 U CN201520113617 U CN 201520113617U CN 204648683 U CN204648683 U CN 204648683U
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- China
- Prior art keywords
- heat exchanger
- smoke
- collection box
- water collection
- condensation water
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- 238000009833 condensation Methods 0.000 title claims abstract description 68
- 230000005494 condensation Effects 0.000 title claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 91
- 239000000779 smoke Substances 0.000 claims abstract description 84
- 239000007789 gas Substances 0.000 claims abstract description 57
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000003546 flue gas Substances 0.000 claims abstract description 36
- 239000003517 fume Substances 0.000 claims description 19
- 238000010586 diagram Methods 0.000 description 7
- 238000007664 blowing Methods 0.000 description 4
- 239000000567 combustion gas Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Abstract
The utility model relates to a two wind channel multichannel bypass formula condensation heat exchanger for absorbing high temperature flue gas latent heat is applicable to gas heater or dual-purpose stove, is particularly useful for blast type gas heater. The utility model provides a two wind channel multichannel is around STREAMING condensation heat exchanger which characterized in that: the smoke-guiding device comprises a smoke box and a heat exchanger, wherein a smoke-guiding area is arranged in the smoke box, a condensate water collecting box and a smoke-guiding plate are arranged in the smoke box, the condensate water collecting box and the smoke-guiding plate divide the smoke-guiding area into two mirror-symmetrical smoke channels, the heat exchanger is provided with heat exchange tube groups, and the heat exchange tube groups are respectively arranged in the two smoke channels. The utility model discloses a multichannel is around flowing formula condensation heat transfer structure and two wind channel structures, improves heat exchange efficiency, and smooth and easy flue prevents that the flue gas from piling up, restraines local overheat.
Description
Technical field
A kind of two air channels multichannel flow around type condensing heat exchanger for absorbing high-temperature flue gas latent heat of the utility model design, is applicable to gas heater or dual-purpose stove, is particularly useful for blowing type gas water heater.
Background technology
Along with the iterative method of national West-East National Gas Transmission Project, the natural gas of super quality and competitive price is widely used, and becomes a large opportunity of gas utensil industry.Meanwhile, with the continuous increase of user, the energy crisis of furthermore oil famine, coal shortage, severe power shortage highlights day by day, and the product of exploitation energy-conserving and environment-protective has been trend of the times.Condensed type combustion gas water heater, as efficient fuel gas combustion equipment, has larger energy-saving potential.Compared with general expression gas heater, condensed type combustion gas water heater sets up latent heat exchanger (i.e. condensing heat exchanger) in sensible heat exchanger (i.e. first-class heat exchanger) top, fully can absorb the heat of high-temperature flue gas, improve complete machine heat exchange efficiency and reach more than 10%.
The plain edition condensing heat exchanger that on market, blowing-type condensed type combustion gas water heater uses is mostly single air channel single channel flow around type structure, there is flow of flue gas inequality, heat exchange efficiency is low, appearance and size is large, the shortcoming such as condensed water easy to leak.
As Fig. 7, plain edition condensing heat exchanger is single air channel structure, and the smoke inlet that high-temperature flue gas is gathered in condensing heat exchanger the same side flows into, cause combustion chamber air-flow uneven, increase combustion noise, and cause local turbulence or heat exchanger hot-spot, shortening heat hydrophone service life.
Plain edition condensing heat exchanger is single channel flow around type heat exchange structure, uses the above metallic heat exchanging tube of diameter of phi 15mm.Because radius bend is large, cause heat exchanger tube gap large, stringing density is little, and heat exchange area is not enough.For reaching 1 grade of efficiency requirement, then need to increase heat exchanger tube length or around pipe number, cause condensing heat exchanger appearance and size large, inharmonious with blowing type gas water heater compact structure.
Utility model content
For above-mentioned the deficiencies in the prior art, the technical problem that the utility model mainly solves be to provide a kind of technique simple,
Compact conformation, heat exchange efficiency are high, two air channels multichannel flow around type condensing heat exchanger of good sealing effect, are applicable to domestic gas-fired water heater or dual-purpose stove, are particularly useful for blowing type gas water heater.
A kind of two air channels multichannel flow around type condensing heat exchanger, comprise smoke box and heat exchanger, flue gas guiding region is provided with in described smoke box, condensation water collection box and smoke deflector is provided with in described smoke box, flue gas guiding region is divided into the exhaust gases passes of two specular by described condensation water collection box and smoke deflector, described heat exchanger is provided with set of heat exchange tubes, and described set of heat exchange tubes is arranged in two exhaust gases passes respectively.
Preferably, the rectangular hollow housing of described condensation water collection box to be length direction cross-sectional profiles be U-shaped, the level height of its both sides is higher than the level height at middle part, the both sides of described condensation water collection box are respectively arranged with smoke inlet, described smoke deflector is arranged at above condensation water collection box, smoke deflector is inverted trapezoidal at the cross-sectional profiles of length direction, the level height of its both sides is higher than the level height at middle part, exhanst gas outlet is provided with in the middle part of described smoke deflector, described smoke inlet is higher than exhanst gas outlet, the dual-side at described smoke deflector top is all fitted with overhead guard internal face, two sides and the smoke deflector of condensation water collection box form two exhaust gases passes be communicated with, two described set of heat exchange tubes are arranged in these two exhaust gases passes respectively, flue gas enters exhaust gases passes by two smoke inlets of condensation water collection box respectively by being divided into two strands of air-flows bottom condensation water collection box, downward through set of heat exchange tubes again, and gather in the middle part of condensation water collection box, then discharge from exhanst gas outlet.
Preferably, the rectangular hollow housing of described condensation water collection box to be length direction cross-sectional profiles be U-shaped, the level height of its both sides is higher than the level height at middle part, the middle part of described condensation water collection box is provided with fume inlet passage, fume inlet passage bottom is set to and condensation water collection box one, and fume inlet passage top is smoke inlet; Described smoke deflector is arranged at the top of described condensation water collection box, fume inlet passage, and smoke deflector is inverted U-shaped at the cross-sectional profiles of length direction, and the level height of its both sides is lower than the level height at middle part.The gap of described smoke deflector side and condensation water collection box inwall forms two exhanst gas outlets, described exhanst gas outlet is lower than described smoke inlet, two sides and the smoke deflector of fume inlet passage form two exhaust gases passes be communicated with, two described set of heat exchange tubes are arranged in these two exhaust gases passes respectively, flue gas is entered by fume inlet passage, the both sides of condensation water collection box are flowed to respectively by being divided into two strands of air-flows after smoke inlet, downward through set of heat exchange tubes again, then discharge from the exhanst gas outlet of smoke deflector both sides.
Preferably, described smoke inlet, exhanst gas outlet are all set to parallel with heat exchanger tube length direction is strip entrance.
Preferably, described condensation water collection box bottom is provided with discharge outlet, and described discharge outlet is provided with conduit.
Preferably, described set of heat exchange tubes comprises many heat exchanger tubes, is arranged at heat exchanger tube two ends for the side plate of fixing heat exchanger tube and collect cavity respectively, described side plate is provided with installing hole, the end face of described side plate and collect cavity fits together, use welding manner couples together, the two ends of described heat exchanger tube are each passed through the installing hole of side plate, and are communicated with collect cavity.
Preferably, a point water cavity is set in described collect cavity, described point of water cavity by heat exchanger tube the water flowed in collect cavity shunt.
Preferably, described heat exchanger tube is set to bellows or is set to have the heat exchanger tube of heat exchange fin.
Preferably, the casing of described smoke box is set to enclose frame and overhead guard, and described overhead guard top is provided with exhaust opening.
Preferably, the described arch that encloses is provided with flange face, be provided with flange face bottom described overhead guard, described condensation water collection box top is provided with flange face, described condensation water collection box top flange face respectively with described overhead guard flange in the bottom face, enclose arch flange face and fit tightly.
The beneficial effects of the utility model are: the utility model adopts multichannel flow around type condensing heat-exchange structure and two air channel structure, and improve heat exchange efficiency, smooth and easy flue, avoids flue gas to pile up, and suppress hot-spot.
Accompanying drawing explanation
Fig. 1 the utility model three-dimensional structure diagram;
Fig. 2 a is decomposing schematic representation of the present utility model (modes of two air inlets);
Fig. 2 b is decomposing schematic representation of the present utility model (mode of an air inlet);
Fig. 3 a is that the utility model flue gas streams schematic diagram (modes of two air inlets);
Fig. 3 b is that the utility model flue gas streams schematic diagram (mode of an air inlet);
Fig. 4 is that the utility model heat exchanger multichannel streams schematic diagram;
Fig. 5 a is that in the utility model, heat exchanger tube is the schematic diagram of bellows;
Fig. 5 b is the schematic perspective view that in the utility model, set of heat exchange tubes sets up heat exchange fin;
Fig. 6 is the schematic diagram of the utility model two air channels multichannel flow around type condensing heat exchanger
Fig. 7 is the schematic diagram of plain edition list air channel single channel flow around type condensing heat exchanger
In figure: 1 smoke box, 11 condensation water collection boxes, 111 smoke inlets, 112 fume inlet passages, 113 discharge outlet, 114 condensation water collection box flange faces, 12 smoke deflectors, 121 exhanst gas outlets, 13 enclose frame, and 131 enclose frame flange face, 14 overhead guards, 141 overhead guard flange faces, 142 exhaust openings, 15 conduits, 2 heat exchangers, 21 set of heat exchange tubes, 211 heat exchanger tubes, 22 side plates, 221 installing holes, 23 collect cavities, 231 points of water cavities, 24 water swivels
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As Fig. 1,2a, 2b, 3a, 3b, 4, shown in 5a, 5b, 6, a kind of two air channels multichannel flow around type condensing heat exchanger, comprise smoke box 1 and heat exchanger 2, flue gas guiding region is provided with in described smoke box 1, condensation water collection box 11 and smoke deflector 12 is provided with in described smoke box 1, flue gas guiding region is divided into the exhaust gases passes of two specular by described condensation water collection box 11 and described smoke deflector 12, described heat exchanger 2 is provided with two groups of set of heat exchange tubes 21, and described set of heat exchange tubes 21 is arranged in two exhaust gases passes respectively.
Described two air channels multichannel flow around type condensing heat exchanger is arranged on blowing type gas water heater, adopt two flue gas passage structures of specular, flue gas is made to be split into two-way in smoke box, smooth and easy air channel, avoid occurring dead angle, overcome the motionless and problem easily collected of flue gas stream, adopt multichannel flow around type set of heat exchange tubes structure, increase stringing density, improve the heat exchange efficiency of heat exchanger.
In the present embodiment, the casing of smoke box 1 can be set to enclose frame 13 and overhead guard 14, the top of enclosing frame 11 is provided with flange face 131, and the edge bottom overhead guard 14 is provided with flange face 141, and the top of overhead guard 14 is provided with exhaust opening 142, for being discharged by flue gas.The top of described condensation water collection box 11 arranges flange face 114, the flange face 114 at condensation water collection box 11 top fits together with the flange face 141 enclosed bottom the flange face 131 at frame 13 top, overhead guard 14 respectively, uses spot welding, the mode of soldering or screw thread couples together.Flue gas guiding region is surrounded by condensation water collection box 11 and smoke deflector 12, and flue gas guiding region is divided into the exhaust gases passes of two specular by condensation water collection box 11 and smoke deflector 12, and two groups of set of heat exchange tubes 21 are located in two exhaust gases passes respectively.
Wherein, flue gas guiding region can be realized by following two schemes:
The first scheme: described condensation water collection box 11 for length direction cross-sectional profiles be the rectangular hollow housing of U-shaped, the level height of its both sides is higher than the level height at middle part; The both sides of described condensation water collection box 11 are respectively arranged with smoke inlet 111.Described smoke deflector 12 is arranged at above condensation water collection box 11, smoke deflector 12 is inverted trapezoidal at the cross-sectional profiles of length direction, the level height of its both sides is higher than the level height at middle part, be provided with exhanst gas outlet 121 in the middle part of described smoke deflector 12, described smoke inlet 111 is higher than exhanst gas outlet 121.The dual-side at described smoke deflector 12 top is all fitted with overhead guard 14 internal face.Two sides and the smoke deflector 12 of condensation water collection box 11 form two exhaust gases passes be communicated with, and two groups of set of heat exchange tubes 21 are arranged in these two exhaust gases passes respectively.Flue gas enters exhaust gases passes by two smoke inlets 111 of condensation water collection box 11 respectively by being divided into two strands of air-flows bottom condensation water collection box 11, more downward through set of heat exchange tubes 21, and gathers in the middle part of condensation water collection box 11, then discharges from exhanst gas outlet 121.Flue gas in such flue gas guiding region passes through the water conservancy diversion of smoke inlet 111 and exhanst gas outlet 121, and define the N shape runner of two specular, the exhaust opening 142 finally by overhead guard 14 is discharged.
First scheme: described condensation water collection box 11 for length direction cross-sectional profiles be the rectangular hollow housing of U-shaped, the level height of its both sides is higher than the level height at middle part, the middle part of described condensation water collection box 11 is provided with fume inlet passage 112, fume inlet passage 112 bottom is set to and condensation water collection box 11 one, and fume inlet passage 112 top is smoke inlet 111; Described smoke deflector 12 is arranged at the top of described condensation water collection box 11, fume inlet passage 112, and smoke deflector 12 is inverted U-shaped at the cross-sectional profiles of length direction, and the level height of its both sides is lower than the level height at middle part.The gap of described smoke deflector 12 side and condensation water collection box 11 inwall forms exhanst gas outlet 121, and described exhanst gas outlet 121 is lower than described smoke inlet 111.Two sides and the smoke deflector 12 of fume inlet passage 112 form two exhaust gases passes be communicated with, two groups of set of heat exchange tubes 21 are arranged in these two exhaust gases passes respectively, flue gas is entered by fume inlet passage 112, the both sides of condensation water collection box 11 are flowed to respectively by being divided into two strands of air-flows after smoke inlet 111, downward through set of heat exchange tubes 21 again, then discharge from smoke deflector 12 both sides exhanst gas outlet 121.Flue gas in such flue gas guiding region passes through the water conservancy diversion of smoke inlet 111 and exhanst gas outlet 121, and define the N shape runner of two specular, the exhaust opening 142 finally by overhead guard 14 is discharged.
Wherein, described smoke inlet 111, exhanst gas outlet 121 are all set to the strip entrance parallel with heat exchanger tube length direction.
Wherein, described condensation water collection box 11 bottom is provided with discharge outlet 113, described discharge outlet is provided with conduit 15. in aforementioned schemes, in flue gas guiding region, when high-temperature flue gas passes through the gap of set of heat exchange tubes 21, steam chance condensation in flue gas is formed the condensation globule and is attached on heat exchanger tube 211, and the condensation globule is dropped in condensation water collection box 11 gradually, and the condensed water collected is discharged from the conduit 15 of condensation water collection box 11 bottom again.
Wherein, described set of heat exchange tubes 21 comprises many heat exchanger tubes 211, is arranged at heat exchanger tube two ends for the side plate 22 of fixing heat exchanger tube and collect cavity 23 respectively, described side plate 22 is provided with installing hole 221, and described side plate 22 fits together with the end face of collect cavity 23, uses brazing mode to couple together.The two ends of described set of heat exchange tubes 21 are each passed through the installing hole 221 of side plate 22, and are communicated with collect cavity 23.In this scenario, collect cavity 23 is connected with set of heat exchange tubes 21, guide the circulation of set of heat exchange tubes 21 water flow inside, collect cavity 23 is provided with two water swivels 24, the water flow inside of heat exchanger 2 is communicated with external water stream, side plate 22 and condensation water collection box 11, smoke deflector 12 agree with respectively simultaneously, form flue gas guiding region.
Wherein, arrange multiple points of water cavities 231 in described collect cavity 23, set of heat exchange tubes 21 water shunting flowed in collect cavity 23 is become multiple loop by described point of water cavity 231, forms the multichannel flow around type water stream channel of S shape thus.
Wherein, described heat exchanger tube 211 is hollow column, and the cross section of its length direction is set to circle, ellipse, square, polygon.Described heat exchanger tube 211 also can be set to bellows, or sets up multi-disc heat exchange fin on heat exchanger tube 211, increases heat exchange area, and improve exchange capability of heat, wherein heat exchange fin and heat exchanger tube 211 can adopt soldering processes to be connected.
The above; be only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (10)
1. two air channels multichannel flow around type condensing heat exchanger, it is characterized in that: comprise smoke box and heat exchanger, flue gas guiding region is provided with in described smoke box, condensation water collection box and smoke deflector is provided with in described smoke box, flue gas guiding region is divided into the exhaust gases passes of two specular by described condensation water collection box and smoke deflector, described heat exchanger is provided with set of heat exchange tubes, and described set of heat exchange tubes is arranged in two exhaust gases passes respectively.
2. according to claim 1 pair of air channel multichannel flow around type condensing heat exchanger, is characterized in that: the rectangular hollow housing of described condensation water collection box to be length direction cross-sectional profiles be U-shaped, and the level height of its both sides is higher than the level height at middle part, the both sides of described condensation water collection box are respectively arranged with smoke inlet, described smoke deflector is arranged at above condensation water collection box, smoke deflector is inverted trapezoidal at the cross-sectional profiles of length direction, the level height of its both sides is higher than the level height at middle part, exhanst gas outlet is provided with in the middle part of described smoke deflector, described smoke inlet is higher than exhanst gas outlet, the dual-side at described smoke deflector top is all fitted with overhead guard internal face, two sides and the smoke deflector of condensation water collection box form two exhaust gases passes be communicated with, two described set of heat exchange tubes are arranged in these two exhaust gases passes respectively, flue gas enters exhaust gases passes by two smoke inlets of condensation water collection box respectively by being divided into two strands of air-flows bottom condensation water collection box, downward through set of heat exchange tubes again, and gather in the middle part of condensation water collection box, then discharge from exhanst gas outlet.
3. according to claim 1 pair of air channel multichannel flow around type condensing heat exchanger, it is characterized in that: the rectangular hollow housing of described condensation water collection box to be length direction cross-sectional profiles be U-shaped, the level height of its both sides is higher than the level height at middle part, the middle part of described condensation water collection box is provided with fume inlet passage, fume inlet passage bottom is set to and condensation water collection box one, and fume inlet passage top is smoke inlet; Described smoke deflector is arranged at the top of described condensation water collection box, fume inlet passage, and smoke deflector is inverted U-shaped at the cross-sectional profiles of length direction, and the level height of its both sides is lower than the level height at middle part; The gap of described smoke deflector side and condensation water collection box inwall forms two exhanst gas outlets, described exhanst gas outlet is lower than described smoke inlet, two sides and the smoke deflector of fume inlet passage form two exhaust gases passes be communicated with, two described set of heat exchange tubes are arranged in these two exhaust gases passes respectively, flue gas is entered by fume inlet passage, the both sides of condensation water collection box are flowed to respectively by being divided into two strands of air-flows after smoke inlet, downward through set of heat exchange tubes again, then discharge from the exhanst gas outlet of smoke deflector both sides.
4. the two air channels multichannel flow around type condensing heat exchanger according to Claims 2 or 3, is characterized in that: it is strip entrance that described smoke inlet, exhanst gas outlet are all set to parallel with heat exchanger tube length direction.
5. according to claim 1 pair of air channel multichannel flow around type condensing heat exchanger, is characterized in that: described condensation water collection box bottom is provided with discharge outlet, and described discharge outlet is provided with conduit.
6. multichannel flow around type condensing heat exchanger according to claim 1, it is characterized in that: described set of heat exchange tubes comprises many heat exchanger tubes, is arranged at heat exchanger tube two ends for the side plate of fixing heat exchanger tube and collect cavity respectively, described side plate is provided with installing hole, the two ends of described heat exchanger tube are each passed through the installing hole of side plate, and are communicated with collect cavity.
7. multichannel flow around type condensing heat exchanger according to claim 6, is characterized in that: arrange a point water cavity in described collect cavity, described point of water cavity by heat exchanger tube the water flowed in collect cavity shunt.
8. according to claim 7 pair of air channel multichannel flow around type condensing heat exchanger, is characterized in that: described heat exchanger tube is set to bellows or is set to have the heat exchanger tube of heat exchange fin.
9. multichannel flow around type condensing heat exchanger according to claim 1, it is characterized in that: the casing of described smoke box is set to enclose frame and overhead guard, described overhead guard top is provided with exhaust opening.
10. multichannel flow around type condensing heat exchanger according to claim 9, it is characterized in that: described in enclose arch and be provided with flange face, flange face is provided with bottom described overhead guard, described condensation water collection box top is provided with flange face, described condensation water collection box top flange face respectively with described overhead guard flange in the bottom face, enclose arch flange face and fit tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520113617.4U CN204648683U (en) | 2015-02-15 | 2015-02-15 | Double-air-duct multi-path bypass type condensation heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520113617.4U CN204648683U (en) | 2015-02-15 | 2015-02-15 | Double-air-duct multi-path bypass type condensation heat exchanger |
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| Publication Number | Publication Date |
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| CN204648683U true CN204648683U (en) | 2015-09-16 |
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| CN201520113617.4U Active CN204648683U (en) | 2015-02-15 | 2015-02-15 | Double-air-duct multi-path bypass type condensation heat exchanger |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907857A (en) * | 2017-03-24 | 2017-06-30 | 广东万家乐燃气具有限公司 | A kind of parallel gas heater condensing heat exchanger |
| CN107940737A (en) * | 2017-09-25 | 2018-04-20 | 汤海明 | A kind of dry type non-finned flow-disturbing heat-exchange device |
| CN108168103A (en) * | 2017-12-30 | 2018-06-15 | 华帝股份有限公司 | A kind of condensing heat exchanger |
| CN108180634A (en) * | 2017-12-30 | 2018-06-19 | 华帝股份有限公司 | A kind of condenser petticoat pipe |
| CN109244592A (en) * | 2018-09-20 | 2019-01-18 | 浙江中车电车有限公司 | A kind of air-cooled structure and battery case |
| CN110220394A (en) * | 2019-05-24 | 2019-09-10 | 宁波方太厨具有限公司 | High-efficiency condensation heat exchanger |
| CN111878993A (en) * | 2020-07-31 | 2020-11-03 | 广东美的暖通设备有限公司 | Heat exchange device and air conditioner |
| US11359837B2 (en) * | 2016-02-01 | 2022-06-14 | Intergas Heating Assets B.V. | Hot water appliance, flue gas discharge therefor and method for heating a fluid |
-
2015
- 2015-02-15 CN CN201520113617.4U patent/CN204648683U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11359837B2 (en) * | 2016-02-01 | 2022-06-14 | Intergas Heating Assets B.V. | Hot water appliance, flue gas discharge therefor and method for heating a fluid |
| CN106907857A (en) * | 2017-03-24 | 2017-06-30 | 广东万家乐燃气具有限公司 | A kind of parallel gas heater condensing heat exchanger |
| CN107940737A (en) * | 2017-09-25 | 2018-04-20 | 汤海明 | A kind of dry type non-finned flow-disturbing heat-exchange device |
| CN108168103A (en) * | 2017-12-30 | 2018-06-15 | 华帝股份有限公司 | A kind of condensing heat exchanger |
| CN108180634A (en) * | 2017-12-30 | 2018-06-19 | 华帝股份有限公司 | A kind of condenser petticoat pipe |
| CN109244592A (en) * | 2018-09-20 | 2019-01-18 | 浙江中车电车有限公司 | A kind of air-cooled structure and battery case |
| CN110220394A (en) * | 2019-05-24 | 2019-09-10 | 宁波方太厨具有限公司 | High-efficiency condensation heat exchanger |
| CN111878993A (en) * | 2020-07-31 | 2020-11-03 | 广东美的暖通设备有限公司 | Heat exchange device and air conditioner |
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| C14 | Grant of patent or utility model | ||
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