CN108426265A - A kind of multiple tube smoke water heater - Google Patents
A kind of multiple tube smoke water heater Download PDFInfo
- Publication number
- CN108426265A CN108426265A CN201810443667.7A CN201810443667A CN108426265A CN 108426265 A CN108426265 A CN 108426265A CN 201810443667 A CN201810443667 A CN 201810443667A CN 108426265 A CN108426265 A CN 108426265A
- Authority
- CN
- China
- Prior art keywords
- tube
- heat
- heat exchanger
- water heater
- exchanging
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000000779 smoke Substances 0.000 title claims abstract description 31
- 230000007797 corrosion Effects 0.000 claims abstract description 19
- 238000005260 corrosion Methods 0.000 claims abstract description 19
- 241000274582 Pycnanthus angolensis Species 0.000 claims abstract description 14
- 239000011087 paperboard Substances 0.000 claims abstract description 14
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 9
- 230000002401 inhibitory effect Effects 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000004140 cleaning Methods 0.000 abstract description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 12
- 239000003546 flue gas Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 9
- 239000002585 base Substances 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000001458 anti-acid effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009183 running Effects 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/1615—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits being inside a casing and extending at an angle to the longitudinal axis of the casing; the conduits crossing the conduit for the other heat exchange medium
-
- 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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Present invention is disclosed a kind of multiple tube smoke water heaters, including heat exchanger tube, fixed tube sheet, fixed frame, boxboard, water inlet pipe and outlet pipe, the heat exchanger tube is provided with multiple and forms heat exchanger tube row at equal intervals, the heat exchanger tube row is equidistantly provided with multiple rows of formation heat-exchanging tube bundle, and linear or stagger arrangement distribution setting between adjacent two heat exchanger tubes row, the heat-exchanging tube bundle is equidistantly provided with multiple rows of, the both ends of the heat-exchanging tube bundle are each passed through fixed tube sheet and correspond to fixation, the end of adjacent two heat-exchanging tube bundle is correspondingly connected with, the water inlet pipe and the heat-exchanging tube bundle of bottom are correspondingly connected with, the outlet pipe and the heat-exchanging tube bundle at top are correspondingly connected with, it is correspondingly arranged on deashing device between multiple heat exchanger tube rows.The characteristics of present invention has dew-point corrosion resistant, realizes long-period stable operation, and energy-saving effect is notable, and emission reduction effect is notable, and heat transfer efficiency is high, and multiple tube intensity is high, and the cycle of operation is long, easy cleaning.
Description
Technical field
The present invention relates to a kind of multiple tube smoke water heaters.
Background technology
Low Temperature Thermal hydrophone is installed additional in industrial furnace back-end ductwork, is used for recovered flue gas low temperature exhaust heat, normal-temperature water is heated, flue gas
Temperature drops to 40 DEG C hereinafter, can reach depth Mist heat recovering, reduce energy consumption, purifying smoke, save desulfurization water consume, protection
The purpose of chimney.
Flue-gas temperature drops to 40 DEG C hereinafter, the major part of vapor in flue gas is made to condense out, and condensed water can absorb cigarette
The pollutants such as part CO2, SOx, NOx, soot dust granule object in gas, purifying smoke.
But in the prior art, flue gas loss be industrial furnace operation in a most important heat loss, typically about 5%~
12%, account for the 60%~70% of industrial furnace heat loss.
Invention content
The purpose of the present invention is to provide one kind having dew-point corrosion resistant, realizes that long-period stable operation, energy-saving effect are aobvious
The multiple tube flue gas heat for the characteristics of work, emission reduction effect is notable, and heat transfer efficiency is high, and multiple tube intensity is high, and the cycle of operation is long, easy cleaning
Hydrophone.
The technical scheme is that a kind of multiple tube smoke water heater, including heat exchanger tube, fixed tube sheet, fixed frame,
Boxboard, water inlet pipe and outlet pipe, the heat exchanger tube are provided with multiple and form heat exchanger tube row, the heat exchanger tube row etc. at equal intervals
It is arranged at intervals with multiple rows of formation heat-exchanging tube bundle, and linear or stagger arrangement distribution setting between adjacent two heat exchanger tube row, it is described to change
Heat pipe bundle is equidistantly provided with multiple rows of, and the both ends of the heat-exchanging tube bundle, which are each passed through fixed tube sheet and correspond to, to be fixed, in fixed frame
It is corresponded to and is fixed by boxboard on four faces between frame, smoke inlet, the boxboard of bottom side are provided on the boxboard of top side
On be provided with outlet flue, the end of adjacent two heat-exchanging tube bundle is correspondingly connected with, the water inlet pipe it is corresponding with the heat-exchanging tube bundle of bottom connect
It connecing, the heat-exchanging tube bundle at the outlet pipe and top is correspondingly connected with, and deashing device is correspondingly arranged between multiple heat exchanger tube rows,
Support tube sheet is provided among the heat-exchanging tube bundle.
In a preferred embodiment of the present invention, connected by elbow pipe welding or bolt between adjacent two heat-exchanging tube bundle
It connects.
In a preferred embodiment of the present invention, both ends of the heat-exchanging tube bundle outside fixed tube sheet respectively by welding or
Flanged joint is provided with header.
In a preferred embodiment of the present invention, adjacent two header is connected by the bend pipe being welded on header.
In a preferred embodiment of the present invention, the heat exchanger tube is combined or is filled out with fixed tube sheet expanded joint or welding or expanded and welded tube joint
Expect sealed letter connection.
In a preferred embodiment of the present invention, the water inlet pipe and the header of bottom are correspondingly arranged, the outlet pipe with
The header at top is correspondingly arranged.
In a preferred embodiment of the present invention, also it is correspondingly arranged on the guarantor with inner thermal insulating layer outside the header and bend pipe
Incubator.
In a preferred embodiment of the present invention, the fixed tube sheet is connect using bolt with fixed frame.
In a preferred embodiment of the present invention, the support tube sheet is welded with boxboard or bolt connecting mode is connect.
In a preferred embodiment of the present invention, the fixed tube sheet is coated with smoke contacts face with corrosion-inhibiting coating, described
Tube sheet is supported to be coated with corrosion-inhibiting coating with smoke contacts face.
Of the present invention is a kind of multiple tube smoke water heater, and the present invention has dew-point corrosion resistant, realizes that long period is stablized
Operation, energy-saving effect is notable, and emission reduction effect is notable, and heat transfer efficiency is high, and multiple tube intensity is high, and the cycle of operation is long, the spy of easy cleaning
Point.
Description of the drawings
Fig. 1 is the explosive view in a kind of one preferred embodiment of multiple tube smoke water heater of the present invention；
Fig. 2 is the stereogram in a kind of one preferred embodiment of multiple tube smoke water heater of the present invention.
Specific implementation mode
The preferred embodiments of the present invention will be described in detail below so that advantages and features of the invention can be easier to by
It will be appreciated by those skilled in the art that so as to make a clearer definition of the protection scope of the present invention.
Of the present invention is a kind of multiple tube smoke water heater, as shown in Figure 1 with Figure 2, including heat exchanger tube 1, fixing pipe
Plate 2, fixed frame 3, boxboard 4, water inlet pipe 5 and outlet pipe 6, the heat exchanger tube 1 are provided with multiple and form heat exchange at equal intervals
Pipe is arranged, and heat exchanger tube row is equidistantly provided with multiple rows of formation heat-exchanging tube bundle, and between adjacent two heat exchanger tube row linearly or
Stagger arrangement distribution setting, the heat-exchanging tube bundle is equidistantly provided with multiple rows of, and the both ends of the heat-exchanging tube bundle are each passed through fixing pipe
Plate 2, which corresponds to, to be fixed, and is correspondingly arranged on fixed frame 3 on the fixed tube sheet 2, four between fixed frame 3 pass through on face
Boxboard 4, which corresponds to, to be fixed, and the end of adjacent two heat-exchanging tube bundle is correspondingly connected with, and the water inlet pipe 5 is corresponding with the heat-exchanging tube bundle of bottom to be connected
It connects, the outlet pipe 6 and the heat-exchanging tube bundle at top are correspondingly connected with, and top is provided with smoke inlet（Attached drawing is not drawn into）, bottom setting
There is outlet flue（Attached drawing is not drawn into）, deashing device is correspondingly arranged between multiple heat exchanger tubes rows（Attached drawing is not drawn into）, described
Support tube sheet 7 is provided among heat-exchanging tube bundle.
Embodiment one
It is connected by elbow pipe welding or bolt between adjacent two heat-exchanging tube bundle.
Embodiment two
Both ends of the heat-exchanging tube bundle outside fixed tube sheet 2 are provided with header 8 by welding or flanged joint respectively, and adjacent two
Case 8 is connected by the bend pipe 9 that is welded on header 8, the heat exchanger tube 1 combined with 2 expanded joint of fixed tube sheet or welding or expanded and welded tube joint or
Packing seal letter connects, and the water inlet pipe 5 and the header 8 of bottom are correspondingly arranged, and the outlet pipe 6 is corresponding with the header 8 at top
It is arranged, the incubator 10 with inner thermal insulating layer is also correspondingly arranged on outside the header 8 and bend pipe 9.
Support tube sheet all with the coating of smoke contacts surface with corrosion-inhibiting coating.
Support tube sheet is welded with boxboard or bolt connecting mode is connect.
The inside of fixed tube sheet is coated with corrosion-inhibiting coating.
The material of fixed tube sheet can be carbon steel sheet, and be coated with corrosion-inhibiting coating with smoke contacts side, can also be resistance to
Temperature >=150 DEG C of plastic plate.
Fixed tube sheet is connect using bolt with fixed frame, replacement heat exchanger tube row easy to disassemble.
The base tube of heat exchanger tube is light pipe or the finned tube by extrusion forming.
Heat exchanger tube after applying coating, according to use occasion and coating material property, by normal temperature cure or 100 DEG C ~
200 DEG C of solidifications are sintered solidification aftershaping by 800 DEG C ~ 950 DEG C.
Coating layer thickness is 50 μm ~ 1000 μm.
Sealing is sealed using high temperature-resistant acid-resistant caustic corrosion fluid sealant between compound heat exchanger tube and fixed tube sheet pore, sealing
The performance of glue and material are according to the operating condition of application scenario, such as temperature, pressure, corrosive medium selection.
Sealant layer not only seals, and also plays the role of absorbing expansion.
Of the present invention is a kind of multiple tube smoke water heater, is had the following advantages that:
1, dew-point corrosion resistant realizes long-period stable operation：Using multiple tube as heat exchanger tube, the composite coating of multiple tube it is resistance to
Acid and alkali corrosion is strong, and some aspects corrosion resistance is stronger than glass, and antiacid dew point corrosion is had excellent performance, and can guarantee it in low-temperature flue gas
Long-period stable operation is realized in environment；
2, the sensible heat in recovered flue gas low temperature exhaust heat, in flue gas dew point temperature section in application, can with recovered flue gas in water steam
The latent heat of gas, energy-saving effect are notable：Since the acid-alkali-corrosive-resisting of the composite coating of multiple tube is strong, some aspects corrosion resistance than
Glass is strong, and antiacid dew point corrosion is had excellent performance, and will not be influenced by acid dew piont corrosion, therefore exhaust gas temperature can substantially reduce,
40 DEG C of occasion longtime runnings can be even lower than less than 100 DEG C in exhaust gas temperature, energy-saving effect is significantly improved, can be recycled to greatest extent
Fume afterheat makes industrial furnace flue gas exhaust heat be fully used, therefore can since this heat exchanger can substantially reduce exhaust gas temperature
Industrial furnace thermal efficiency is improved by present 90% ~ 91% to 95% ~ 100% or more；
3. emission reduction effect is notable：Since this heat exchanger can less than 100 DEG C, even lower than 40 DEG C of occasions be transported for a long time in exhaust gas temperature
Row is improved by present 90% ~ 91% to 95% ~ 100% or more without generating dew point corrosion phenomenon, industrial furnace thermal efficiency so that work
Industry kiln gas discharge capacity greatly reduces, moreover, when exhaust gas temperature is reduced to 100 DEG C even lower than 40 DEG C, in industrial kiln gas
Vapor can occur to condense and generate condensate liquid, which can absorb pollutant in flue gas, e.g., SOx, CO2, NOx, flue dust
Grain object etc., makes the concentration of emission of these pollutants reduce, further reduces pollutant emission, can meet harsh environmental protection
Emission request；
4. heat transfer efficiency is high：Using the finned tube of base tube fin one, without heat transfer resistance between fin and base tube；
5. multiple tube intensity is high：Since multiple tube base tube is the high metal material of intensity, and its composite coating combined with substrate it is non-
It is often close, so the intensity of composite plate is substantially suitable with base material；
6. the cycle of operation is long：Compound tube bank free harmomegathus, reduction thermal stress damage can improve service life of equipment in frame,
Realize long-term operation；
7. easy cleaning:Multiple tube coating surface is smooth, and fluid flow resistance is small, to which fluid-pressure drop is small；It is not easy on heating surface
Fouling, with little need for cleaning.
The foregoing is merely the specific implementation modes of the present invention, but scope of protection of the present invention is not limited thereto, any
Those skilled in the art within the technical scope disclosed by the invention, can without the variation that creative work is expected or
It replaces, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be limited with claims
Subject to fixed protection domain.
Claims (10)
1. a kind of multiple tube smoke water heater, including heat exchanger tube, fixed tube sheet, fixed frame, boxboard, water inlet pipe and water outlet
Pipe, it is characterised in that：The heat exchanger tube is provided with multiple and forms heat exchanger tube row at equal intervals, and the heat exchanger tube row is arranged at equal intervals
There are multiple rows of formation heat-exchanging tube bundle, and linear or stagger arrangement distribution setting between adjacent two heat exchanger tube row, described heat-exchanging tube bundle etc.
It is arranged at intervals with multiple rows of, the both ends of the heat-exchanging tube bundle, which are each passed through fixed tube sheet and correspond to, to be fixed, between fixed frame
It is corresponded to and is fixed by boxboard on four faces, be provided with smoke inlet on the boxboard of top side, be provided on the boxboard of bottom side
The end of outlet flue, adjacent two heat-exchanging tube bundle is correspondingly connected with, and the heat-exchanging tube bundle of the water inlet pipe and bottom is correspondingly connected with, it is described go out
Water pipe and the heat-exchanging tube bundle at top are correspondingly connected with, and deashing device, the heat exchange are correspondingly arranged between multiple heat exchanger tube rows
Tube bank is intermediate to be provided with support tube sheet.
2. multiple tube smoke water heater according to claim 1, it is characterised in that：Lead between adjacent two heat-exchanging tube bundle
Cross elbow pipe welding or bolt connection.
3. multiple tube smoke water heater according to claim 1, it is characterised in that：The heat-exchanging tube bundle is outside fixed tube sheet
Both ends respectively by welding or flanged joint be provided with header.
4. multiple tube smoke water heater according to claim 3, it is characterised in that：Adjacent two header is by being welded in header
On bend pipe connection.
5. multiple tube smoke water heater according to claim 3, it is characterised in that：The heat exchanger tube and fixed tube sheet expanded joint
Or welding or expanded and welded tube joint combine or the connection of packing seal letter.
6. multiple tube smoke water heater according to claim 4, it is characterised in that：The header pair of the water inlet pipe and bottom
It should be arranged, the header at the outlet pipe and top is correspondingly arranged.
7. multiple tube smoke water heater according to claim 6, it is characterised in that：It is also corresponding outside the header and bend pipe
It is provided with the incubator with inner thermal insulating layer.
8. multiple tube smoke water heater according to claim 1, it is characterised in that：The fixed tube sheet is using bolt and admittedly
Determine frame connection.
9. multiple tube smoke water heater described in claim 1, it is characterised in that：The support tube sheet is welded with boxboard or spiral shell
Bolt connection type connects.
10. multiple tube smoke water heater described in claim 1, it is characterised in that：The fixed tube sheet is applied with smoke contacts face
Coated with corrosion-inhibiting coating, the support tube sheet is coated with smoke contacts face with corrosion-inhibiting coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810443667.7A CN108426265A (en) | 2018-05-10 | 2018-05-10 | A kind of multiple tube smoke water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810443667.7A CN108426265A (en) | 2018-05-10 | 2018-05-10 | A kind of multiple tube smoke water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108426265A true CN108426265A (en) | 2018-08-21 |
Family
ID=63162734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810443667.7A Pending CN108426265A (en) | 2018-05-10 | 2018-05-10 | A kind of multiple tube smoke water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108426265A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405574A (en) * | 2018-12-04 | 2019-03-01 | 浙江干氏制冷设备有限公司 | A kind of high efficiency flue gas condensator |
| CN109432970A (en) * | 2018-12-04 | 2019-03-08 | 浙江干氏制冷设备有限公司 | A kind of flue gas condensing eliminating white smoke system |
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|---|---|---|---|---|
| CN2779327Y (en) * | 2005-02-21 | 2006-05-10 | 南京圣诺热管有限公司 | Gas clean heating device |
| CN201203365Y (en) * | 2008-03-27 | 2009-03-04 | 洛阳瑞昌石油化工设备有限公司 | Low temperature flue gas anti-dew point corrosion energy-saving heat exchanger |
| CN204693831U (en) * | 2015-02-10 | 2015-10-07 | 南京师范大学 | A kind of condensing heat pipe residual-heat recovery for gas heater |
| CN105021064A (en) * | 2015-06-29 | 2015-11-04 | 洛阳明远石化技术有限公司 | Composite pipe type heat exchanger |
| CN105737182A (en) * | 2016-04-25 | 2016-07-06 | 长沙为明节能科技有限公司 | Smoke in-depth cooler |
| WO2017121256A1 (en) * | 2016-01-11 | 2017-07-20 | 芜湖美的厨卫电器制造有限公司 | Heat exchanger and water heater |
| CN208365567U (en) * | 2018-05-10 | 2019-01-11 | 上海孚旺炉业有限公司 | A kind of multiple tube smoke water heater |
-
2018
- 2018-05-10 CN CN201810443667.7A patent/CN108426265A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2779327Y (en) * | 2005-02-21 | 2006-05-10 | 南京圣诺热管有限公司 | Gas clean heating device |
| CN201203365Y (en) * | 2008-03-27 | 2009-03-04 | 洛阳瑞昌石油化工设备有限公司 | Low temperature flue gas anti-dew point corrosion energy-saving heat exchanger |
| CN204693831U (en) * | 2015-02-10 | 2015-10-07 | 南京师范大学 | A kind of condensing heat pipe residual-heat recovery for gas heater |
| CN105021064A (en) * | 2015-06-29 | 2015-11-04 | 洛阳明远石化技术有限公司 | Composite pipe type heat exchanger |
| WO2017121256A1 (en) * | 2016-01-11 | 2017-07-20 | 芜湖美的厨卫电器制造有限公司 | Heat exchanger and water heater |
| CN105737182A (en) * | 2016-04-25 | 2016-07-06 | 长沙为明节能科技有限公司 | Smoke in-depth cooler |
| CN208365567U (en) * | 2018-05-10 | 2019-01-11 | 上海孚旺炉业有限公司 | A kind of multiple tube smoke water heater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405574A (en) * | 2018-12-04 | 2019-03-01 | 浙江干氏制冷设备有限公司 | A kind of high efficiency flue gas condensator |
| CN109432970A (en) * | 2018-12-04 | 2019-03-08 | 浙江干氏制冷设备有限公司 | A kind of flue gas condensing eliminating white smoke system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180821 |