CN209801776U - Energy-saving gas water heater - Google Patents
Energy-saving gas water heater Download PDFInfo
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- CN209801776U CN209801776U CN201822103670.2U CN201822103670U CN209801776U CN 209801776 U CN209801776 U CN 209801776U CN 201822103670 U CN201822103670 U CN 201822103670U CN 209801776 U CN209801776 U CN 209801776U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 238000002485 combustion reaction Methods 0.000 claims abstract description 36
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 32
- 239000003546 flue gas Substances 0.000 claims description 32
- 239000007789 gas Substances 0.000 claims description 25
- 238000009413 insulation Methods 0.000 claims description 7
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004321 preservation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
本实用新型提供一种节能燃气热水器，包括壳体、设置于可体内的燃烧装置、换热装置以及冷凝器，燃烧装置设置有燃烧腔，燃烧腔的周壁设置有防火保温层；换热装置设置于燃烧腔的上方，换热装置包括多个换热片单元，换热片单元设置有多排通孔、第一气孔、第二气孔以及第三气孔，第一气孔设置于下排的通孔之间，第二气孔设置于上排通孔和下排通孔之间，第一气孔设置于第二气孔的下侧且第一气孔的直径小于第二气孔的直径，第三气孔位于换热片单元的两侧，该第三气孔的头部直径大于尾部直径；其设有内腔和外腔，外腔设有进气口，内腔和外腔之间设有通气孔，内腔上设置有连接进水口的第一盘管，外腔上设置有第二盘管，冷凝器的进气口处设置有阻流板。
The utility model provides an energy-saving gas water heater, which comprises a casing, a combustion device arranged in a body, a heat exchange device and a condenser, the combustion device is provided with a combustion chamber, and the surrounding wall of the combustion chamber is provided with a fireproof and heat-preservation layer; the heat exchange device is provided with Above the combustion chamber, the heat exchange device includes a plurality of heat exchange fin units. The heat exchange fin units are provided with multiple rows of through holes, first air holes, second air holes and third air holes. The first air holes are arranged in the lower row of through holes. Between, the second air hole is arranged between the upper row of through holes and the lower row of through holes, the first air hole is arranged on the lower side of the second air hole and the diameter of the first air hole is smaller than the diameter of the second air hole, and the third air hole is located in the heat exchange On both sides of the sheet unit, the diameter of the head of the third air hole is greater than the diameter of the tail; it is provided with an inner cavity and an outer cavity, the outer cavity is provided with an air inlet, and a vent hole is arranged between the inner cavity and the outer cavity, and the upper cavity A first coil pipe connected to the water inlet is provided, a second coil pipe is provided on the outer chamber, and a baffle plate is provided at the air inlet of the condenser.
Description
技术领域technical field
本实用新型涉及一种节能燃气热水器。The utility model relates to an energy-saving gas water heater.
背景技术Background technique
传统的燃气热水器一般是采用在水箱外环绕盘管来吸收燃烧腔的热量来提高热效率，这种结构在我国部分地区容易导致盘管被冷凝水腐蚀穿孔的情况出现，导致大量的售后，同时这种结构需要采用大量的铜管，水箱上大部分面积没有被盘管覆盖，导致了大量的热量流失，不能很好地提高热效率，导致了能源的浪费。Traditional gas-fired water heaters generally use coils around the water tank to absorb the heat of the combustion chamber to improve thermal efficiency. This structure requires the use of a large number of copper pipes, and most of the area on the water tank is not covered by the coil, resulting in a large amount of heat loss, which cannot improve the thermal efficiency well, resulting in a waste of energy.
实用新型内容Utility model content
本实用新型的目的是为了克服现有技术上的不足之处，提供一种节能燃气热水器，采用冷水进水在冷凝器中经过二次热交换来预热，再进入热交换进行换热形成用户需要的热水；在这个过程中，燃烧腔的周壁采用防火保温层极大地降低热量的流失，吸热片在多种气孔的作用下对烟气进行分流和延长热交换时间从而提高热效率。The purpose of this utility model is to overcome the deficiencies in the prior art, and provide an energy-saving gas water heater, which uses cold water to enter the condenser through secondary heat exchange for preheating, and then enters the heat exchange for heat exchange to form a user Hot water is needed; in this process, the surrounding wall of the combustion chamber adopts a fireproof insulation layer to greatly reduce heat loss, and the heat absorbing sheet shunts the flue gas under the action of various pores and prolongs the heat exchange time to improve thermal efficiency.
为了达到上述目的，本实用新型采用以下方案：In order to achieve the above object, the utility model adopts the following scheme:
一种节能燃气热水器，包括：An energy-saving gas water heater, comprising:
壳体；case;
燃烧装置，所述燃烧装置设置于壳体内，所述燃烧装置设置有火排以及燃烧腔，所述燃烧腔设置于火排的上方，所述燃烧腔的周壁设置有防火保温层；A combustion device, the combustion device is arranged in the housing, the combustion device is provided with a fire row and a combustion chamber, the combustion chamber is arranged above the fire row, and the surrounding wall of the combustion chamber is provided with a fireproof insulation layer;
换热装置，所述换热装置设置于燃烧腔的上方，所述换热装置上设置有多个换热片单元，所述换热片单元分别设置有多排通孔、第一气孔、第二气孔以及第三气孔，所述第一气孔设置于下排的通孔之间，所述第二气孔设置于上排通孔和下排通孔之间，所述第一气孔设置于第二气孔的下侧且第一气孔的直径小于第二气孔的直径，所述第三气孔位于换热片单元的两侧，该第三气孔的头部直径大于尾部直径；A heat exchange device, the heat exchange device is arranged above the combustion chamber, the heat exchange device is provided with a plurality of heat exchange fin units, and the heat exchange fin units are respectively provided with multiple rows of through holes, first air holes, second Two air holes and the third air hole, the first air hole is arranged between the through holes in the lower row, the second air hole is arranged between the upper row of through holes and the lower row of through holes, and the first air hole is arranged in the second row of through holes. The lower side of the air hole and the diameter of the first air hole is smaller than the diameter of the second air hole, the third air hole is located on both sides of the heat exchange fin unit, and the diameter of the head of the third air hole is greater than the diameter of the tail;
冷凝器，所述冷凝器一端连通换热装置，其设有内腔和外腔，所述外腔设置有进气口，所述内腔和外腔之间设置有通气孔，在所述内腔上设置有连接进水口的第一盘管，所述外腔上设置有第二盘管，所述冷凝器的进气口处设置有阻流板，烟气从进气口进入外腔遇阻流板后向四周运动并与第二盘管换热，换热后的烟气从通气孔进入内腔并与第一盘管换热。A condenser, one end of the condenser is connected to the heat exchange device, and it is provided with an inner cavity and an outer cavity, and the outer cavity is provided with an air inlet, and a vent hole is arranged between the inner cavity and the outer cavity, and the inner cavity The chamber is provided with a first coil connected to the water inlet, the outer chamber is provided with a second coil, and the air inlet of the condenser is provided with a baffle, and the flue gas enters the outer chamber from the air inlet to meet The spoiler moves around behind and exchanges heat with the second coil, and the flue gas after heat exchange enters the inner cavity from the vent hole and exchanges heat with the first coil.
于一个或多个实施例中，所述第三气孔向换热片单元中心线倾斜。In one or more embodiments, the third air hole is inclined to the centerline of the heat exchange fin unit.
于一个或多个实施例中，所述换热片单元的上排通孔之间还设置有第四气孔，所述第四气孔上端直径大于下端直径，所述第四气孔的上方还设置有多个第二气孔。In one or more embodiments, a fourth air hole is provided between the upper row of through holes of the heat exchange fin unit. The diameter of the upper end of the fourth air hole is larger than the diameter of the lower end. A plurality of second air holes.
于一个或多个实施例中，所述通孔、第一气孔、第二气孔、第三气孔以及第四气孔的一侧设置有翻边。In one or more embodiments, one side of the through hole, the first air hole, the second air hole, the third air hole and the fourth air hole is provided with a flange.
于一个或多个实施例中，所述冷凝器设置有外壳，所述外壳包括顶盖、底盖以及围壁，所述顶盖、底盖以及围壁组合形成外腔，所述顶盖与所述围壁可拆卸连接，所述底盖与所述围壁可拆卸连接。In one or more embodiments, the condenser is provided with a shell, and the shell includes a top cover, a bottom cover and a surrounding wall, and the combination of the top cover, the bottom cover and the surrounding wall forms an outer cavity, and the top cover and the surrounding wall The surrounding wall is detachably connected, and the bottom cover is detachably connected to the surrounding wall.
于一个或多个实施例中，所述围壁的上部上对称设置有向外凸出的扣部，所述围壁下部上也对称设置有向外凸出的扣部，所述扣部形成楔块，所述顶盖和底盖上均设置有与该扣部配合的钩部。In one or more embodiments, outwardly protruding buckles are symmetrically provided on the upper part of the surrounding wall, and outwardly protruding buckles are also symmetrically provided on the lower part of the surrounding wall, and the buckle forms The wedge, the top cover and the bottom cover are all provided with hooks matched with the buckle.
于一个或多个实施例中，所述第一盘管和第二盘管呈圆形管或者椭圆形管或者纽纹管或者内壁具有多个凹陷的管。In one or more embodiments, the first coiled tube and the second coiled tube are circular tubes, oval tubes, corrugated tubes, or tubes with multiple depressions in the inner wall.
于一个或多个实施例中，所述周壁上设置有硅酸铝板。In one or more embodiments, an aluminum silicate plate is provided on the peripheral wall.
有益效果：本实用新型提供一种节能燃气热水器，采用冷水进水在冷凝器中经过二次热交换来预热，再进入热交换进行换热形成用户需要的热水；在这个过程中，燃烧腔的周壁采用防火保温层极大地降低热量的流失，吸热片在多种气孔的作用下对烟气进行分流和延长热交换时间从而提高热效率。Beneficial effects: the utility model provides an energy-saving gas water heater, which uses cold water to preheat through secondary heat exchange in the condenser, and then enters the heat exchange for heat exchange to form hot water required by users; in this process, the combustion The surrounding wall of the cavity adopts a fireproof insulation layer to greatly reduce heat loss, and the heat-absorbing sheet shunts the flue gas under the action of various pores and prolongs the heat exchange time to improve thermal efficiency.
附图说明Description of drawings
图1为本实用新型实施例节能燃气热水器的内部整体结构示意图。Fig. 1 is a schematic diagram of the overall internal structure of an energy-saving gas water heater according to an embodiment of the present utility model.
图2为本实用新型实施例节能燃气热水器的燃烧腔和换热装置的连接结构示意图。Fig. 2 is a schematic diagram of the connection structure of the combustion chamber and the heat exchange device of the energy-saving gas water heater according to the embodiment of the present utility model.
图3为本实用新型实施例节能燃气热水器的燃烧腔和换热装置的拆分结构示意图。Fig. 3 is a disassembled structure diagram of the combustion chamber and the heat exchange device of the energy-saving gas water heater according to the embodiment of the utility model.
图4为本实用新型实施例节能燃气热水器的多个换热片和供水管连接结构示意图。Fig. 4 is a schematic diagram of the connecting structure of multiple heat exchange fins and water supply pipes of the energy-saving gas water heater according to the embodiment of the present utility model.
图5为本实用新型实施例节能燃气热水器的燃烧腔和换热装置的换热片结构示意图。Fig. 5 is a structural schematic diagram of the combustion chamber and the heat exchange fins of the heat exchange device of the energy-saving gas water heater according to the embodiment of the present utility model.
图6为本实用新型实施例节能燃气热水器的冷凝器的剖面结构示意图。Fig. 6 is a schematic cross-sectional structure diagram of a condenser of an energy-saving gas water heater according to an embodiment of the present invention.
图7为本实用新型实施例节能燃气热水器的冷凝器的内部结构示意图。Fig. 7 is a schematic diagram of the internal structure of the condenser of the energy-saving gas water heater according to the embodiment of the present invention.
图8为为本实用新型实施例节能燃气热水器的冷凝器的部分放大结构示意图。Fig. 8 is a partially enlarged structural schematic diagram of the condenser of the energy-saving gas water heater according to the embodiment of the present utility model.
具体实施方式Detailed ways
如下结合附图，对本申请方案作进一步描述：The scheme of this application is further described in conjunction with the accompanying drawings as follows:
实施例：Example:
参见附图1-8，一种节能燃气热水器，包括：Referring to accompanying drawings 1-8, an energy-saving gas water heater includes:
壳体1；shell 1;
燃烧装置2，所述燃烧装置2设置于壳体1内，所述燃烧装置2设置有火排21以及燃烧腔22，所述燃烧腔22设置于火排21的上方，所述燃烧腔22的周壁设置有防火保温层223以防止燃烧腔22内的热量向外辐射，降低了热量的损耗，同时提高了热效率，也无需在燃烧腔22外设置盘管来吸收热量，从根源上避免了燃烧腔盘管因腐蚀而穿孔漏水的问题，极大地降低了售后的发生以及节省成本；Combustion device 2, described combustion device 2 is arranged in housing 1, and described combustion device 2 is provided with fire row 21 and combustion chamber 22, and described combustion chamber 22 is arranged on the top of fire row 21, and the top of described combustion chamber 22 The surrounding wall is provided with a fireproof insulation layer 223 to prevent the heat in the combustion chamber 22 from radiating outwards, which reduces heat loss and improves thermal efficiency. The problem of perforation and water leakage of the cavity coil due to corrosion greatly reduces the occurrence of after-sales and saves costs;
换热装置3，所述换热装置3设置于燃烧腔22的上方，所述换热装置3上设置有多个换热片单元31，所述换热片单元31分别设置有多排通孔311、第一气孔312、第二气孔313以及第三气孔314，该多排通孔311给水管通过并与换热片单元31进行换热，所述第一气孔312设置于下排的通孔311之间以第一次分流烟气降低单位烟气量，降低单位换热量使得热量更加容易被吸收，所述第二气孔313设置于上排通孔311和下排通孔311之间以第二次分流烟气，所述第一气孔312设置于第二气孔313的下侧且第一气孔312的直径小于第二气孔313的直径以形成第二气孔313分流和降低经过第二气孔313处气流的速度延长换热时间，所述第三气孔314位于换热片单元31的两侧以形成导流，该第三气孔314的头部直径大于尾部直径，在换热片31上设置有直径由下而上增大的多级气孔来多次分流烟气降低单位烟气量提高热交换速度的同时降低了烟气的速度并延长烟气热交换的时间和路径使得烟气和换热片31热交换更加彻底,其还设置有梯形孔316，该梯形孔316用以切割初步热交换的烟气，使得内部热的烟气切开，使之提高热交换效率；The heat exchange device 3, the heat exchange device 3 is arranged above the combustion chamber 22, the heat exchange device 3 is provided with a plurality of heat exchange fin units 31, and the heat exchange fin units 31 are respectively provided with multiple rows of through holes 311, the first air hole 312, the second air hole 313 and the third air hole 314, the multi-row through-hole 311 water supply pipe passes through and exchanges heat with the heat exchange fin unit 31, and the first air hole 312 is arranged in the lower row of through-holes Between 311, the unit flue gas volume is reduced by the first diversion of flue gas, and the unit heat exchange rate is reduced so that heat can be absorbed more easily. The second air hole 313 is arranged between the upper row of through holes 311 and the lower row of through holes 311 to For the second splitting of the flue gas, the first air hole 312 is arranged on the lower side of the second air hole 313 and the diameter of the first air hole 312 is smaller than the diameter of the second air hole 313 to form the second air hole 313 to divert and lower through the second air hole 313 The speed of the airflow at the position prolongs the heat exchange time. The third air hole 314 is located on both sides of the heat exchange fin unit 31 to form a flow guide. The diameter of the head of the third air hole 314 is larger than the diameter of the tail. The multi-stage air hole whose diameter increases from bottom to top divides the flue gas multiple times to reduce the unit flue gas volume and increase the heat exchange speed while reducing the speed of the flue gas and prolonging the time and path of the flue gas heat exchange so that the flue gas and heat exchange The heat exchange of sheet 31 is more thorough, and it is also provided with a trapezoidal hole 316, which is used to cut the flue gas for preliminary heat exchange, so that the internal hot flue gas is cut to improve the heat exchange efficiency;
冷凝器4，所述冷凝器4一端通过电机5连通换热装置3，其设有内腔41和外腔42，所述外腔42设置有进气口43，所述内腔41和外腔42之间设置有通气孔411，所述通气孔411位于内腔1的下部且位于与进气口43相对位置的背侧，在所述内腔1上设置有连接进水口的第一盘管44，所述外腔42上设置有第二盘管45，所述冷凝器4的进气口43左右两侧设置有阻流板46，烟气从进气口进43入外腔遇阻流板46后向四周运动并与第二盘管45换热，换热后的烟气从通气孔411进入内腔41并与第一盘管44换热，通过设置阻流板46和设置通气孔411的位置改变了烟气的运动路径，使得烟气的运动路径提高了至少一倍，同时采用内外腔和双盘管的结构提高烟气热量吸收效果，极大降低了排放烟气的温度，同时采用可拆卸的顶盖48和底盖49，提高生产安装速度，方便售后维修，是款结构简单、经济实用、节能环保的质优产品。A condenser 4, one end of the condenser 4 communicates with the heat exchange device 3 through a motor 5, and it is provided with an inner cavity 41 and an outer cavity 42, and the outer cavity 42 is provided with an air inlet 43, and the inner cavity 41 and the outer cavity 42 is provided with a ventilation hole 411, the ventilation hole 411 is located in the lower part of the inner chamber 1 and is located on the back side of the position opposite to the air inlet 43, and the first coil connected to the water inlet is arranged on the inner chamber 1 44, the outer chamber 42 is provided with a second coil 45, and the left and right sides of the air inlet 43 of the condenser 4 are provided with baffles 46, and the flue gas enters the outer chamber from the air inlet 43 and encounters a blocked flow The plate 46 moves around behind and exchanges heat with the second coil 45. The flue gas after heat exchange enters the inner cavity 41 from the vent hole 411 and exchanges heat with the first coil 44. By setting the baffle plate 46 and setting the vent hole The position of 411 changes the movement path of the flue gas, which makes the movement path of the flue gas at least doubled. At the same time, the structure of the inner and outer chambers and the double coil tube improves the heat absorption effect of the flue gas, which greatly reduces the temperature of the exhausted flue gas. At the same time, the detachable top cover 48 and bottom cover 49 are used to increase the production and installation speed and facilitate after-sales maintenance. It is a high-quality product with simple structure, economical and practical, energy-saving and environmental protection.
优选地，混合燃气在火排21上的燃烧腔22燃烧后形成烟气，烟气在燃烧腔22的隔热保温层223下极大地降低了热量的损失并向换热装置3方向运动，烟气经过换热装置3的换热片单元31后被多级分流和多次延长换热时间和换热路径使得烟气换热更彻底，同时换热后的烟气在风机5的作用下送到冷凝器4进行再次换热，在冷凝器4内热的烟气分别经过外腔42和内腔41的两次换热后再排放到外界，极大降低了排放烟气的温度，降低了烟气对环境的影响，同时极大地吸收了烟气的热量，提高了热效率、降低能源的消耗，节能又环保。Preferably, the mixed gas is combusted in the combustion chamber 22 on the fire row 21 to form flue gas. The flue gas greatly reduces heat loss under the heat insulation layer 223 of the combustion chamber 22 and moves toward the heat exchange device 3. The smoke After the gas passes through the heat exchange fin unit 31 of the heat exchange device 3, it is divided into multiple stages and the heat exchange time and heat exchange path are extended multiple times to make the heat exchange of the flue gas more thorough. At the same time, the flue gas after heat exchange is sent to To the condenser 4 for another heat exchange, the hot flue gas in the condenser 4 undergoes two heat exchanges in the outer cavity 42 and the inner cavity 41 before being discharged to the outside, which greatly reduces the temperature of the exhausted flue gas and reduces the temperature of the flue gas. At the same time, it greatly absorbs the heat of flue gas, improves thermal efficiency, reduces energy consumption, saves energy and is environmentally friendly.
进一步地，所述第三气孔314向换热片单元31中心线倾斜以形成导向防止烟气换热片单元31外面运动。Further, the third air hole 314 is inclined to the centerline of the heat exchange fin unit 31 to form a guide to prevent the flue gas heat exchange fin unit 31 from moving outside.
进一步地，所述换热片单元31的上排通孔311之间还设置有第四气孔315，所述第四气孔315上端直径大于下端直径，所述第四气孔315的上方还设置有多个第二气孔313以在烟气离开前进行再次分流进一步降低烟气离开速度。Further, a fourth air hole 315 is also provided between the upper row of through holes 311 of the heat exchange fin unit 31, the diameter of the upper end of the fourth air hole 315 is larger than the diameter of the lower end, and there are multiple holes above the fourth air hole 315. A second air hole 313 is used to divide the flow again before the smoke leaves to further reduce the smoke leaving speed.
进一步地，所述通孔311、第一气孔312、第二气孔313、第三气孔314以及第四气孔315的一侧设置有翻边以提高换热片单元与烟气的接触面积提高换热效果。Further, one side of the through hole 311, the first air hole 312, the second air hole 313, the third air hole 314, and the fourth air hole 315 is provided with a flange to increase the contact area between the heat exchange fin unit and the flue gas to improve heat exchange Effect.
进一步地，所述冷凝器4设置有外壳，所述外壳包括顶盖48、底盖49以及围壁47，所述顶盖48、底盖49以及围壁47组合形成外腔42，所述顶盖48与所述围壁47可拆卸连接，所述底盖49与所述围壁47可拆卸连接。Further, the condenser 4 is provided with a casing, and the casing includes a top cover 48, a bottom cover 49 and a surrounding wall 47, and the combination of the top cover 48, the bottom cover 49 and the surrounding wall 47 forms an outer chamber 42, and the top The cover 48 is detachably connected to the surrounding wall 47 , and the bottom cover 49 is detachably connected to the surrounding wall 47 .
进一步地，所述围壁47的上部上对称设置有向外凸出的扣部471，所述围壁47下部上也对称设置有向外凸出的扣部471，所述扣部471形成楔块，所述顶盖48和底盖49上均设置有与该扣部471配合的钩部481。Further, outwardly protruding buckles 471 are symmetrically provided on the upper part of the surrounding wall 47, and outwardly protruding buckles 471 are also symmetrically provided on the lower part of the surrounding wall 47, and the buckle 471 forms a wedge Block, the top cover 48 and the bottom cover 49 are provided with hooks 481 that cooperate with the buckle 471 .
进一步地，所述第一盘管44和第二盘管45呈圆形管或者椭圆形管或者纽纹管或者内壁具有多个凹陷的管以增加水和第一盘管44以及第二盘管45的接触面积，提高换热效果。Further, the first coil 44 and the second coil 45 are circular tubes or oval tubes or corrugated tubes or tubes with multiple depressions on the inner wall to increase water and the first coil 44 and the second coil. 45 contact area, improve heat transfer effect.
进一步地，所述周壁上设置有硅酸铝板。Further, an aluminum silicate plate is arranged on the peripheral wall.
优选地，所述燃烧腔22包括螺接一起的前框221、后框222和防火保温层223。Preferably, the combustion chamber 22 includes a front frame 221 , a rear frame 222 and a fireproof insulation layer 223 which are screwed together.
该燃气热水器的水路结构是水从燃气热水器的进水管进入冷凝器进行预热后再到换热装置中与换热片单元进行换热形成热水后从出水管流出形成用水。The waterway structure of the gas water heater is that water enters the condenser from the water inlet pipe of the gas water heater for preheating, and then goes to the heat exchange device to exchange heat with the heat exchange fin unit to form hot water, and then flows out from the water outlet pipe to form water.
上述优选实施方式应视为本申请方案实施方式的举例说明，凡与本申请方案雷同、近似或以此为基础作出的技术推演、替换、改进等，均应视为本专利的保护范围。The above-mentioned preferred implementation mode should be regarded as an illustration of the implementation mode of the scheme of this application, and any technical deduction, replacement, improvement, etc. that are similar to, similar to, or based on the scheme of this application should be regarded as the scope of protection of this patent.
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