CN103438727A - Stainless steel bellow condenser of condensation type gas water heater - Google Patents
Stainless steel bellow condenser of condensation type gas water heater Download PDFInfo
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- CN103438727A CN103438727A CN2013103691149A CN201310369114A CN103438727A CN 103438727 A CN103438727 A CN 103438727A CN 2013103691149 A CN2013103691149 A CN 2013103691149A CN 201310369114 A CN201310369114 A CN 201310369114A CN 103438727 A CN103438727 A CN 103438727A
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Abstract
The invention discloses a stainless steel bellow condenser of a condensation type gas water heater. The stainless steel bellow condenser of the condensation type gas water heater comprises heat transfer tubes, a box body and tube plates, wherein a heat transfer tube bundle which is formed by a plurality of heat transfer tubes is arranged between the tube plates, the two ends of the heat transfer tube bundle are connected with the tube plates respectively, stainless steel bellows are used to serve as the heat transfer tubes so that the condensation heat transfer area can be enlarged and the effect of the surface tension of condensed fluid can be performed, the condensed fluid is promoted to be discharged from the surfaces of the tubes, and then the condensation heat transfer performance is improved. According to the manufacturing technique of the stainless steel bellow condenser of the condensation type gas water heater, the heat transfer tubes are arranged in a triangular or square mode, the heat transfer tubes and the tube plates are sealed in an expanded connecting or welding mode, smoke or cooling water is prevented from being leaked between the heat transfer tubes and the tube plates, and the heat transfer tubes are connected through elbows on the outer side of each tube plate to form a complete water circuit. The stainless steel bellow condenser of the condensation type gas water heater solves the problems that according to a condenser which is of a structure that copper fins are sleeved with copper tubes and is used by the condensation type gas water heater, aerugo and heat stress can occur easily and cost is high. The stainless steel bellow condenser of the condensation type gas water heater is economical and durable.
Description
Technical field
The present invention relates to the condenser that a kind of condensed type combustion gas water heater is used, particularly a kind of condenser manufacture method of utilizing stainless steel enhanced tube recovered flue gas heat energy, belong to condenser augmentation of heat transfer technical field.
Background technology
Along with improving constantly of people's living standard, the application of gas heater is more and more universal.Common gas heater has only utilized the sensible heat of flue gas, and in flue gas, the latent heat of water vapour fails to utilize, with fume emission in atmosphere, therefore its thermal efficiency between 80-85%, and in flue gas, pernicious gas has certain pollution as COX, NOx, SOX etc. to environment.For further improving the thermal efficiency of gas heater, save the energy and protection of the environment, a kind of gas heater of condensing is rapidly developed in recent years, and becomes the developing direction of following gas heater.
Condensed type combustion gas water heater and common gas heater structurally have very large change, mainly are the structure difference of heat-exchange system.For sensible heat and steam latent heat in abundant recovered flue gas, condensed type combustion gas water heater adopts heat exchange mode twice, i.e. two heat exchangers.Except the sensible heat exchanger that occupy the general gas water heater, also has a condenser.According to the design feature of complete machine, be generally, above general gas water heater sensible heat exchanger, condenser is set, also be provided with condensate collector between the two.During work, high temperature cigarette device enters sensible heat exchanger and condenser successively from bottom to top.And water (flow) direction is just in time contrary, first pass through condenser, after cold water absorbs high temperature cigarette device waste heat in condenser, then enter main heat exchanger absorption obvious heat of smoke.Because the sensible heat in the condensed type combustion gas water heater flue gas and steam latent heat obtain effective recycling, so the exhaust gas temperature of flue gas is more much lower than general gas water heater, and the thermal efficiency can improve more than 15%.In addition, water vapor condensation liquid also can solution absorption part CO in smoke evacuation
x, NOx, SO
xpernicious gas, have certain catharsis to flue gas.
Because copper material has good thermal conductivity and ductility, therefore, condensed type combustion gas water heater corrugated stainless steel tubing condenser extensively adopts the metal copper pipe as heat-transfer pipe at present, and the copper fin that is set with slab construction outside copper pipe increases the condensation heat transfer area, adopt the expanded joint mode that fin is combined with copper pipe closely, form the condenser structure of pipe box fin.In addition, for preventing the corrosion impact of acid condensate liquid, the copper pipe in condenser and copper fin surface all need to add corrosion-inhibiting coating.
There is following shortcoming in the condenser of this copper pipe cover copper fin structure: the higher and continuous rising of (1) copper material price, and the cost of condenser also constantly increases; (2) when copper pipe and the disengaging of fin surface corrosion-inhibiting coating, water vapor condensation liquid causes the generation of patina between copper pipe surface and fin, thereby stops up flue gas flow channel, causes the flow of flue gas pressure drop to raise, and burning becomes insufficient, and the concentration of pernicious gas increases; (3) copper pipe adopts the expanded joint mode to be connected with copper fin, at high temperature, more than 200 ℃ and between normal temperature, recycle for a long time, copper pipe and copper fin cause the generation of expanded joint place loosening because of the effect of thermal stress, thereby have increased hot group of contact, have reduced the heat transfer efficiency of condenser.
Summary of the invention
For above-mentioned technical problem, the present invention is intended to solve the problems of the technologies described above at least to a certain extent, provides that a kind of heat exchange efficiency is high, cost is low, easy to process, anticorrosion durable condensed type combustion gas water heater corrugated stainless steel tubing condenser
The present invention adopts following technical scheme to realize:
A kind of condensed type combustion gas water heater corrugated stainless steel tubing condenser, comprise casing, be arranged on heat-transfer pipe in casing in parallel to each other, be arranged on tank ends for installing and the fixing tube sheet of heat-transfer pipe, between the heat-transfer pipe in the tube sheet outside, adopt elbow to connect, form the current road of tube side, described heat-transfer pipe is stainless steel tube, and adopts mechanical means axially to be processed with wave structure at the heat-transfer pipe outer surface along heat-transfer pipe.
Further, heat-transfer pipe and tube sheet adopt expanded joint or welding manner sealing, prevent the leakage between heat-transfer pipe and tube sheet of flue gas or cooling water.
Further, described casing is connected with tube sheet for cuboid or square.
Further, described heat-transfer pipe is multi coil binding structure, adopts triangle or square mode to be arranged.
Further, described tube surface is provided with anticorrosive coat.
Compared with prior art, advantage applies of the present invention exists:
(1) utilize common stainless steel on price than copper much lower advantage, reduce the condenser cost;
(2) water vapor condensation liquid is difficult to generate scale at stainless steel surfaces, does not have the blockage problem that causes runner because getting rusty;
(3) stainless steel tube is processed into to the heat-transfer pipe of wave structure, without expanded joint outside pipe or welding fin, does not exist thermal stress to affect the heat transfer efficiency problem.
The accompanying drawing explanation
The structural representation that Fig. 1 is the embodiment of the present invention one.
The ripple struction generalized section that Fig. 2 is heat-transfer pipe.
Elbow connected mode between the left plate pipe heat-transfer pipe that Fig. 3 is the embodiment of the present invention one.
Elbow connected mode between the right plate pipe heat-transfer pipe that Fig. 4 is the embodiment of the present invention one.
Fig. 5 is the arrangement architecture schematic diagram that the embodiment of the present invention two heat-transfer pipes are equilateral triangle.
Shown in figure, be: the 1-heat-transfer pipe; The 2-casing; The 3-tube sheet.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is further detailed explanation.
Below in conjunction with accompanying drawing, describe the present invention, but embodiments of the present invention are not limited to this.
As shown in accompanying drawing 1 to Fig. 4: this condenser mainly is comprised of heat-transfer pipe 1, casing 2 and tube sheet 3.Wherein, heat-transfer pipe 1 is multi coil binding structure, and adopts square mode to be arranged, and casing 2 is divided into two of front and back, and tube sheet 3 is divided into two of left and right, between the heat-transfer pipe in two tube sheet 3 outsides, adopts elbow to connect or cisten mechanism, forms the in-pipe flow road.Two casings are welded on respectively on two tube sheets, and heating surface bank are constrained in the cuboid or cube structure of casing and tube sheet formation.Cooling water is interior mobile at heat-transfer pipe 1, and flue gas is outer bottom-up the flowing of heat-transfer pipe 2, and the steam in flue gas is in heat-transfer pipe 1 outer surface condensation, and condensate liquid is discharged from heat-transfer pipe 1 surface, temperature rising after the sensible heat in cooling water absorption flue gas and the latent heat of steam.
Heat-transfer pipe 1 adopts expanded joints or welding manner sealing with tube sheet 3, prevents the leakage 3 of heat-transfer pipe 1 and tube sheets of flue gas or cooling water.
Described casing 1 is connected for cuboid or square with tube sheet 3.
Described heat-transfer pipe 1 surface is provided with anticorrosive coat, to improve the anti-corruption performance of heat-transfer pipe 1.
As shown in Figure 2, described heat-transfer pipe 1 is stainless steel tube, and adopts mechanical means axially to be processed with wave structure at heat-transfer pipe 1 outer surface along heat-transfer pipe 1.
As shown in Figure 5, the difference of the present embodiment and embodiment 1 is: heat-transfer pipe 1 is multi coil binding structure, and adopts the equilateral triangle mode to be arranged.
The above embodiment of the present invention is only for example of the present invention clearly is described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.All any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in the protection domain of the claims in the present invention.
Claims (5)
1. a condensed type combustion gas water heater corrugated stainless steel tubing condenser, comprise casing (2), be arranged on heat-transfer pipe (1) in casing in parallel to each other, be arranged on casing (2) two ends for installing and the fixing tube sheet (3) of heat-transfer pipe (1), between the heat-transfer pipe in tube sheet (3) outside, adopt elbow to connect, form the current road of tube side, it is characterized in that: described heat-transfer pipe (1) is stainless steel tube, and adopts mechanical means axially to be processed with wave structure at heat-transfer pipe (1) outer surface along heat-transfer pipe (1).
2. a kind of condensed type combustion gas water heater corrugated stainless steel tubing condenser according to claim 1, it is characterized in that: heat-transfer pipe (1) adopts expanded joint or welding manner sealing with tube sheet (3), prevents the leakage between heat-transfer pipe (1) and tube sheet (3) of flue gas or cooling water.
3. a kind of condensed type combustion gas water heater corrugated stainless steel tubing condenser according to claim 2, it is characterized in that: described casing (1) is connected for cuboid or square with tube sheet (3).
4. a kind of condensed type combustion gas water heater corrugated stainless steel tubing condenser according to claim 3, it is characterized in that: described heat-transfer pipe (1) is multi coil binding structure, adopts triangle or square mode to be arranged.
5. a kind of condensed type combustion gas water heater corrugated stainless steel tubing condenser according to claim 4, it is characterized in that: described heat-transfer pipe (1) surface is provided with anticorrosive coat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103691149A CN103438727A (en) | 2013-08-22 | 2013-08-22 | Stainless steel bellow condenser of condensation type gas water heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103691149A CN103438727A (en) | 2013-08-22 | 2013-08-22 | Stainless steel bellow condenser of condensation type gas water heater |
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| CN103438727A true CN103438727A (en) | 2013-12-11 |
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| CN2013103691149A Pending CN103438727A (en) | 2013-08-22 | 2013-08-22 | Stainless steel bellow condenser of condensation type gas water heater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296383A (en) * | 2014-10-10 | 2015-01-21 | 广东超人节能厨卫电器有限公司 | Efficient condensing heat exchanger |
| CN106885481A (en) * | 2016-05-24 | 2017-06-23 | 无锡市金城环保炊具设备有限公司 | A kind of exhaust opening hot swapping |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2314335Y (en) * | 1997-11-18 | 1999-04-14 | 高府斌 | Corrugated metal pipes for heat exchanger |
| CN2682367Y (en) * | 2004-01-05 | 2005-03-02 | 齐世泽 | Stainless steel band plate forming wave node heat exchange tube |
| CN201016608Y (en) * | 2007-04-09 | 2008-02-06 | 广东万家乐燃气具有限公司 | Heat exchanger for condensing gas water heater |
| CN101126565A (en) * | 2007-09-29 | 2008-02-20 | 华南理工大学 | Condensed type combustion gas water heater condensator |
| CN201680749U (en) * | 2010-02-01 | 2010-12-22 | 广东万和新电气股份有限公司 | Heat exchanger used for methane wall-mounted furnaces |
| CN201964817U (en) * | 2011-01-06 | 2011-09-07 | 焦兴齐 | High-efficiency thick-wall stainless steel bellows |
| CN202734617U (en) * | 2012-06-18 | 2013-02-13 | 扬州巨人机械有限公司 | Telescopic corrugated pipe heat exchanger |
| CN202869314U (en) * | 2012-09-23 | 2013-04-10 | 大庆市天能波纹管制造有限公司 | Binding type wave node heat pipe exchanger |
| CN203454852U (en) * | 2013-08-22 | 2014-02-26 | 华南理工大学 | Stainless steel corrugated pipe condenser of condensing type gas water heater |
-
2013
- 2013-08-22 CN CN2013103691149A patent/CN103438727A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2314335Y (en) * | 1997-11-18 | 1999-04-14 | 高府斌 | Corrugated metal pipes for heat exchanger |
| CN2682367Y (en) * | 2004-01-05 | 2005-03-02 | 齐世泽 | Stainless steel band plate forming wave node heat exchange tube |
| CN201016608Y (en) * | 2007-04-09 | 2008-02-06 | 广东万家乐燃气具有限公司 | Heat exchanger for condensing gas water heater |
| CN101126565A (en) * | 2007-09-29 | 2008-02-20 | 华南理工大学 | Condensed type combustion gas water heater condensator |
| CN201680749U (en) * | 2010-02-01 | 2010-12-22 | 广东万和新电气股份有限公司 | Heat exchanger used for methane wall-mounted furnaces |
| CN201964817U (en) * | 2011-01-06 | 2011-09-07 | 焦兴齐 | High-efficiency thick-wall stainless steel bellows |
| CN202734617U (en) * | 2012-06-18 | 2013-02-13 | 扬州巨人机械有限公司 | Telescopic corrugated pipe heat exchanger |
| CN202869314U (en) * | 2012-09-23 | 2013-04-10 | 大庆市天能波纹管制造有限公司 | Binding type wave node heat pipe exchanger |
| CN203454852U (en) * | 2013-08-22 | 2014-02-26 | 华南理工大学 | Stainless steel corrugated pipe condenser of condensing type gas water heater |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296383A (en) * | 2014-10-10 | 2015-01-21 | 广东超人节能厨卫电器有限公司 | Efficient condensing heat exchanger |
| CN106885481A (en) * | 2016-05-24 | 2017-06-23 | 无锡市金城环保炊具设备有限公司 | A kind of exhaust opening hot swapping |
| CN106885481B (en) * | 2016-05-24 | 2019-03-19 | 无锡市金城环保炊具设备有限公司 | A kind of technical method that floss hole is utilized with hot fume waste heat high efficiente callback |
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Application publication date: 20131211 |