CN205402865U - Shower of electrolytic aluminum recycling flue gas waste heat , heating system - Google Patents
Shower of electrolytic aluminum recycling flue gas waste heat , heating system Download PDFInfo
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- CN205402865U CN205402865U CN201620135684.0U CN201620135684U CN205402865U CN 205402865 U CN205402865 U CN 205402865U CN 201620135684 U CN201620135684 U CN 201620135684U CN 205402865 U CN205402865 U CN 205402865U
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 138
- 239000003546 flue gas Substances 0.000 title claims abstract description 138
- 238000010438 heat treatment Methods 0.000 title claims abstract description 47
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 24
- 239000002918 waste heat Substances 0.000 title claims abstract description 17
- 238000004064 recycling Methods 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000003507 refrigerant Substances 0.000 claims abstract description 18
- 239000008234 soft water Substances 0.000 claims abstract description 16
- 238000011084 recovery Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000005868 electrolysis reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
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Abstract
本实用新型公开了一种电解铝烟气余热回收利用淋浴、供暖系统，包括烟气管、进水管路、软水循环管路和供暖加热管路，所述软水循环管路包括通过管路连通的第一烟气换热器、板式换热器和循环泵，在循环泵与板式换热器之间的管路上支连有补水管路，在补水管路上依次安装有补水泵、软水箱和软水器，在板式换热器的冷媒入口和出口分别连接有进水管路和淋浴水箱；所述供暖加热管路包括供暖管网，在供暖管网的进水端与回水端之间连接有第二烟气换热器，第一烟气换热器和第二烟气换热器的热媒入口均与烟气管连接。上述结构提供了一种高效、节能的电解铝烟气余热回收利用淋浴、供暖系统，充分地利用了电解铝的烟气余热，降低了能耗。
The utility model discloses a shower and heating system for recovering and utilizing the residual heat of electrolytic aluminum flue gas, which comprises a flue gas pipe, a water inlet pipeline, a soft water circulation pipeline and a heating heating pipeline. The first flue gas heat exchanger, the plate heat exchanger and the circulation pump, the pipeline between the circulation pump and the plate heat exchanger is connected with a supplementary water pipeline, and the supplementary water pipeline is sequentially installed with a supplementary water pump, a soft water tank and soft water The refrigerant inlet and outlet of the plate heat exchanger are respectively connected with a water inlet pipeline and a shower tank; the heating heating pipeline includes a heating pipe network, and a second water pipe is connected between the water inlet end and the return water end of the heating pipe network. In the second flue gas heat exchanger, the heat medium inlets of the first flue gas heat exchanger and the second flue gas heat exchanger are all connected to the flue gas pipe. The above structure provides a high-efficiency, energy-saving electrolytic aluminum flue gas waste heat recovery and utilization shower and heating system, fully utilizes the electrolytic aluminum flue gas waste heat, and reduces energy consumption.
Description
技术领域technical field
本实用新型涉及一种电解铝烟气余热回收利用淋浴、供暖系统，主要用于及时充分地利用电解铝烟气余热。The utility model relates to a shower and heating system for recovering and utilizing the residual heat of electrolytic aluminum flue gas, which is mainly used for timely and fully utilizing the residual heat of electrolytic aluminum flue gas.
背景技术Background technique
目前，铝生产普遍采用电解法，以炭素材料作阳极，铝液作为阴极，通入强电流后，将电解槽内的氧化铝电解，依靠电流的焦耳热维持电解温度1223～1243K。电解过程中，液态铝集中在阴极上，而氧则向阳极移动，使炭阳极不断氧化而析出高温烟气。现有的铝电解工艺，能耗利用率不到50％，大量的能耗以废热的形式散发到周围环境中，其中电解铝烟气带走的废热约占总能耗的1/4。现有电解铝烟气的回收利用换热器各式各样，但是并没有如何及时利用烟气余热进行淋浴和供暖的系统设计。At present, the electrolysis method is widely used in aluminum production, with carbon material as the anode and aluminum liquid as the cathode. After a strong current is passed through, the alumina in the electrolytic cell is electrolyzed, and the electrolysis temperature is maintained at 1223-1243K by means of the Joule heat of the current. During the electrolysis process, liquid aluminum concentrates on the cathode, while oxygen moves to the anode, so that the carbon anode is continuously oxidized and high-temperature flue gas is precipitated. In the existing aluminum electrolysis process, the utilization rate of energy consumption is less than 50%, and a large amount of energy consumption is dissipated into the surrounding environment in the form of waste heat, and the waste heat taken away by the electrolytic aluminum flue gas accounts for about 1/4 of the total energy consumption. There are various heat exchangers for the recovery and utilization of electrolytic aluminum flue gas, but there is no system design for how to use the waste heat of the flue gas in time for showering and heating.
实用新型内容Utility model content
本实用新型所要解决的技术问题在于提供一种高效、节能的电解铝烟气余热回收利用淋浴、供暖系统。The technical problem to be solved by the utility model is to provide a high-efficiency, energy-saving electrolytic aluminum flue gas waste heat recovery and utilization shower and heating system.
本实用新型的技术方案如下：一种电解铝烟气余热回收利用淋浴、供暖系统，包括至少一根烟气管，还包括进水管路、软水循环管路和供暖加热管路，所述软水循环管路包括至少一个第一烟气换热器、至少一个板式换热器和至少一个循环泵，所述第一烟气换热器的冷媒出口与板式换热器的热媒入口连接，所述板式换热器的热媒出口与循环泵的入口连接，所述循环泵的出口与第一烟气换热器的冷媒入口连接，在所述循环泵与板式换热器之间的管路上支连有补水管路，在所述补水管路上依次安装有补水泵、软水箱和软水器，所述软水器位于补水管路远离循环泵的一端；在所述板式换热器的冷媒入口连接有进水管路，所述进水管路上依次安装有电子水处理器和增压泵，所述增压泵位于进水管路远离板式换热器的一端，在所述板式换热器的冷媒出口通过管路连接有淋浴水箱；所述供暖加热管路包括供暖管网，在所述供暖管网的进水端与回水端之间连接有至少一个第二烟气换热器，并且，在所述供暖管网的回水端与第二烟气换热器之间的管路上安装有动力系统；所述第一烟气换热器和第二烟气换热器的热媒入口均与烟气管连接。The technical scheme of the utility model is as follows: a shower and heating system for recovery and utilization of waste heat of electrolytic aluminum flue gas, including at least one flue gas pipe, and also includes a water inlet pipeline, a soft water circulation pipeline and a heating heating pipeline, and the soft water circulation The pipeline includes at least one first flue gas heat exchanger, at least one plate heat exchanger and at least one circulation pump, the refrigerant outlet of the first flue gas heat exchanger is connected to the heat medium inlet of the plate heat exchanger, and the The heat medium outlet of the plate heat exchanger is connected to the inlet of the circulation pump, the outlet of the circulation pump is connected to the refrigerant inlet of the first flue gas heat exchanger, and the pipeline between the circulation pump and the plate heat exchanger is branched It is connected with a water replenishment pipeline, and a water replenishment pump, a water softener tank and a water softener are sequentially installed on the water replenishment pipeline, and the water softener is located at the end of the water replenishment pipeline away from the circulating pump; The water inlet pipeline is equipped with an electronic water processor and a booster pump in sequence. The booster pump is located at the end of the water inlet pipeline away from the plate heat exchanger, and the refrigerant outlet of the plate heat exchanger passes through the pipe The heating pipeline is connected with a shower water tank; the heating heating pipeline includes a heating pipe network, and at least one second flue gas heat exchanger is connected between the water inlet end and the return water end of the heating pipe network, and, in the A power system is installed on the pipeline between the return water end of the heating pipe network and the second flue gas heat exchanger; the heat medium inlets of the first flue gas heat exchanger and the second flue gas heat exchanger are connected tube connection.
采用上述结构，淋浴用水从进水管路进入板式换热器，第一烟气换热器利用电解铝烟气余热对循环软水进行加热，再通过板式换热器利用加热后的循环软水对淋浴用水进行加热，加热后的淋浴用水进入淋浴水箱即可用于淋浴；第二烟气换热器利用电解铝烟气余热对供暖循环水进行加热，即可用于供暖；从而提供了一种高效、节能的电解铝烟气余热回收利用淋浴、供暖系统，充分地利用了电解铝的烟气余热，降低了能耗。With the above structure, the shower water enters the plate heat exchanger from the water inlet pipe, the first flue gas heat exchanger uses the residual heat of the electrolytic aluminum flue gas to heat the circulating soft water, and then uses the heated circulating soft water to heat the shower water through the plate heat exchanger. After heating, the heated shower water enters the shower water tank and can be used for showering; the second flue gas heat exchanger uses the waste heat of electrolytic aluminum flue gas to heat the heating circulating water, which can be used for heating; thus providing an efficient and energy-saving The waste heat of electrolytic aluminum flue gas is recovered and utilized in shower and heating systems, which fully utilizes the waste heat of electrolytic aluminum flue gas and reduces energy consumption.
作为优选，所述板式换热器并联设置有两个，所述循环泵并联设置有两个，所述补水泵也并联设置有两个。Preferably, two plate heat exchangers are arranged in parallel, two circulating pumps are arranged in parallel, and two make-up pumps are also arranged in parallel.
还包括至少一个第三烟气换热器，所述第三烟气换热器的热媒入口与烟气管连接，在所述第三烟气换热器的冷媒入口端连接有第一管路和第二管路，在第三烟气换热器的冷媒出口端连接有第三管路和第四管路，在所述第一/第二/第三/第四管路上均安装有控制阀，所述第一管路和第三管路将第三烟气换热器与第一烟气换热器并联，所述第二管路和第四管路将第三烟气换热器与第二烟气换热器并联。这样设置第三烟气换热器，可以根据实际情况选择第三烟气换热器用于淋浴还是供暖，使用更加灵活。It also includes at least one third flue gas heat exchanger, the heat medium inlet of the third flue gas heat exchanger is connected to the flue gas pipe, and the first pipe is connected to the refrigerant inlet end of the third flue gas heat exchanger The third pipeline and the second pipeline are connected to the refrigerant outlet end of the third flue gas heat exchanger, and the third pipeline and the fourth pipeline are installed on the first/second/third/fourth pipeline. A control valve, the first pipeline and the third pipeline connect the third flue gas heat exchanger in parallel with the first flue gas heat exchanger, and the second pipeline and the fourth pipeline exchange heat for the third flue gas The device is connected in parallel with the second flue gas heat exchanger. The third flue gas heat exchanger is arranged in this way, and the third flue gas heat exchanger can be selected for showering or heating according to actual conditions, and the use is more flexible.
作为优选，所述第一烟气换热器呈卧式安装有一个，所述第二烟气换热器呈卧式安装有一个，所述第三烟气换热器呈立式安装有一个，所述烟气管有三根，所述烟气管与第一/第二/第三烟气换热器一一对应连接。Preferably, one of the first flue gas heat exchangers is installed horizontally, one of the second flue gas heat exchangers is installed horizontally, and one of the third flue gas heat exchangers is installed vertically , there are three flue gas pipes, and the flue gas pipes are connected to the first/second/third flue gas heat exchangers in one-to-one correspondence.
作为另一种优选，所述第一烟气换热器并联设置有两个，每一第一烟气换热器均呈卧式安装；所述第二烟气换热器并联设置有四个，其中两个第二烟气换热器呈卧式安装，另外两个第二烟气换热器呈立式安装；所述第三烟气换热器并联设置有两个，每一第三烟气换热器均呈立式安装；所述烟气管有八根，所述烟气管与每一第一/第二/第三烟气换热器一一对应连接。As another preference, two first flue gas heat exchangers are arranged in parallel, and each first flue gas heat exchanger is installed horizontally; four second flue gas heat exchangers are arranged in parallel. , wherein the two second flue gas heat exchangers are installed horizontally, and the other two second flue gas heat exchangers are installed vertically; the third flue gas heat exchangers are arranged in parallel, and each third The flue gas heat exchangers are installed vertically; there are eight flue gas pipes, and the flue gas pipes are connected to each of the first/second/third flue gas heat exchangers one by one.
有益效果：本实用新型通过第一烟气换热器对循环软水进行加热，再利用加热后的循环软水对淋浴用水进行加热，并通过第二烟气换热器对供暖循环水进行加热，从而提供了一种高效、节能的电解铝烟气余热回收利用淋浴、供暖系统，具有构思巧妙、改造容易和改造成本低等特点。Beneficial effects: the utility model heats the circulating soft water through the first flue gas heat exchanger, then uses the heated circulating soft water to heat the shower water, and heats the heating circulating water through the second flue gas heat exchanger, thereby Provided is a high-efficiency and energy-saving electrolytic aluminum flue gas waste heat recovery and utilization shower and heating system, which has the characteristics of ingenious conception, easy transformation and low transformation cost.
附图说明Description of drawings
图1为实施例一的结构示意图。Figure 1 is a schematic structural view of Embodiment 1.
图2为实施例二的结构示意图。Fig. 2 is a schematic structural diagram of the second embodiment.
图中标记如下：增压泵1、电子水处理器2、进水管路3、板式换热器4、循环泵5、补水泵6、软水箱7、软水器8、第一烟气换热器9、烟气管10、动力系统11、第二烟气换热器12、供暖管网13、第二管路14、第四管路15、第三烟气换热器16、第一管路17、第三管路18和淋浴水箱19。The marks in the figure are as follows: booster pump 1, electronic water processor 2, water inlet pipeline 3, plate heat exchanger 4, circulation pump 5, water supply pump 6, soft water tank 7, water softener 8, first flue gas heat exchanger 9. Flue gas pipe 10, power system 11, second flue gas heat exchanger 12, heating pipe network 13, second pipeline 14, fourth pipeline 15, third flue gas heat exchanger 16, first pipeline 17. The third pipeline 18 and the shower water tank 19.
具体实施方式detailed description
下面通过参考附图描述实施例是示例性的，旨在解释本实用新型，而不能理解为对本实用新型的限制。下面详细描述本实用新型的实施例，所述的实施例示例在附图中示出，其中自始至终以相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。在本实用新型的描述中，需要说明的是，对于方位词，如有术语“中心”，“横向”、“纵向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示方位和位置关系为基于附图所示的方位或位置关系，仅是为了便于叙述本实用新型和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定方位构造和操作，不应理解为限制本实用新型的具体保护范围。此外，如有术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或隐含指明技术特征的数量。The embodiments described below by referring to the figures are exemplary and intended to explain the present utility model, but should not be construed as limiting the present utility model. Embodiments of the present invention are described in detail below, and the examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals are used throughout to indicate the same or similar elements or elements with the same or similar functions. In the description of the present utility model, it should be noted that for orientation words, such as the terms "center", "horizontal", "longitudinal", "length", "width", "thickness", "upper", "lower ", "Front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Inverse "Hour hand" and other indication orientations and positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, so as to Specific orientation configurations and operations should not be construed as limiting the specific protection scope of the present utility model. In addition, terms such as "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of technical features.
在本实用新型中，除另有明确规定和限定，如有“连接”、“连接”等术语应作广义去理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是直接相连，也可以是通过诸如管路的中间媒介相连。对于本领域普通技术人员而言，可以根据具体情况理解上述的术语在本实用新型中的具体含义。In this utility model, unless otherwise clearly stipulated and limited, terms such as "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; It can be directly connected or connected through an intermediate medium such as a pipeline. Those of ordinary skill in the art can understand the specific meanings of the above-mentioned terms in the present utility model according to specific situations.
下面结合附图，通过对本实用新型的具体实施方式作进一步的描述，使本实用新型的技术方案及其有益效果更加清楚、明确。In the following, the specific implementation of the utility model will be further described in conjunction with the accompanying drawings, so that the technical solution of the utility model and its beneficial effects will be clearer and more definite.
实施例一：Embodiment one:
如图1所示，本实施例包括至少一根烟气管10，还包括进水管路3、软水循环管路和供暖加热管路，所述软水循环管路包括至少一个第一烟气换热器9、至少一个板式换热器4和至少一个循环泵5。所述第一烟气换热器9的冷媒出口通过管路与板式换热器4的热媒入口连接，所述板式换热器4的热媒出口通过管路与循环泵5的入口连接，所述循环泵5的出口通过管路与第一烟气换热器9的冷媒入口连接。在所述循环泵5与板式换热器4之间的管路上支连有补水管路，在所述补水管路上依次安装有补水泵6、软水箱7和软水器8，所述软水器8位于补水管路远离循环泵5的一端。本实施例优选所述板式换热器4并联设置有两个，所述循环泵5并联设置有两个，所述补水泵6也并联设置有两个。As shown in Figure 1, this embodiment includes at least one flue gas pipe 10, and also includes a water inlet pipeline 3, a soft water circulation pipeline and a heating heating pipeline, and the soft water circulation pipeline includes at least one first flue gas heat exchange pipeline. 9, at least one plate heat exchanger 4 and at least one circulation pump 5. The refrigerant outlet of the first flue gas heat exchanger 9 is connected to the heat medium inlet of the plate heat exchanger 4 through a pipeline, and the heat medium outlet of the plate heat exchanger 4 is connected to the inlet of the circulation pump 5 through a pipeline, The outlet of the circulation pump 5 is connected with the refrigerant inlet of the first flue gas heat exchanger 9 through a pipeline. On the pipeline between the circulating pump 5 and the plate heat exchanger 4, there is a supplementary water pipeline, on which a supplementary water pump 6, a soft water tank 7 and a water softener 8 are installed in sequence, and the water softener 8 It is located at the end of the replenishment pipeline away from the circulating pump 5 . In this embodiment, preferably, two plate heat exchangers 4 are arranged in parallel, two circulation pumps 5 are arranged in parallel, and two replenishment pumps 6 are also arranged in parallel.
如图1所示，在所述板式换热器4的冷媒入口连接有进水管路3，在所述进水管路3上依次安装有电子水处理器2和增压泵1，所述增压泵1位于进水管路3远离板式换热器4的一端。在所述板式换热器4的冷媒出口通过管路连接有淋浴水箱19。所述供暖加热管路包括供暖管网13，在所述供暖管网13的进水端与回水端之间连接有至少一个第二烟气换热器12。并且，在所述供暖管网13的回水端与第二烟气换热器12之间的管路上安装有动力系统11。所述第一烟气换热器9和第二烟气换热器12的热媒入口均与烟气管10连接。As shown in Figure 1, a water inlet pipeline 3 is connected to the refrigerant inlet of the plate heat exchanger 4, and an electronic water processor 2 and a booster pump 1 are sequentially installed on the water inlet pipeline 3. The pump 1 is located at the end of the water inlet pipeline 3 away from the plate heat exchanger 4 . A shower tank 19 is connected to the refrigerant outlet of the plate heat exchanger 4 through a pipeline. The heating heating pipeline includes a heating pipe network 13, and at least one second flue gas heat exchanger 12 is connected between the water inlet end and the water return end of the heating pipe network 13. Moreover, a power system 11 is installed on the pipeline between the water return end of the heating pipeline network 13 and the second flue gas heat exchanger 12 . The heat medium inlets of the first flue gas heat exchanger 9 and the second flue gas heat exchanger 12 are both connected to the flue gas pipe 10 .
如图1所述，本实施例还包括至少一个第三烟气换热器16，所述第三烟气换热器16的热媒入口与烟气管10连接。在所述第三烟气换热器16的冷媒入口端连接有第一管路17和第二管路14，在第三烟气换热器16的冷媒出口端连接有第三管路18和第四管路15。在所述第一/第二/第三/第四管路17/14/16/15上均安装有控制阀，所述第一管路17和第三管路18将第三烟气换热器16与第一烟气换热器9并联，所述第二管路14和第四管路15将第三烟气换热器16与第二烟气换热器12并联。本实施例优选所述第一烟气换热器9呈卧式安装有一个，所述第二烟气换热器12呈卧式安装有一个，所述第三烟气换热器16呈立式安装有一个，所述烟气管10有三根，所述烟气管10与第一/第二/第三烟气换热器9/12/16一一对应连接。As shown in FIG. 1 , this embodiment further includes at least one third flue gas heat exchanger 16 , and the heat medium inlet of the third flue gas heat exchanger 16 is connected to the flue gas pipe 10 . A first pipeline 17 and a second pipeline 14 are connected to the refrigerant inlet end of the third flue gas heat exchanger 16, and a third pipeline 18 and a third pipeline 18 are connected to the refrigerant outlet end of the third flue gas heat exchanger 16. The fourth pipeline 15 . Control valves are installed on the first/second/third/fourth pipelines 17/14/16/15, and the first pipeline 17 and the third pipeline 18 exchange heat with the third flue gas The device 16 is connected in parallel with the first flue gas heat exchanger 9 , and the second pipeline 14 and the fourth pipeline 15 connect the third flue gas heat exchanger 16 and the second flue gas heat exchanger 12 in parallel. In this embodiment, preferably, one of the first flue gas heat exchangers 9 is installed horizontally, one of the second flue gas heat exchangers 12 is installed horizontally, and the third flue gas heat exchanger 16 is vertically installed. There is one type installed, and there are three flue gas pipes 10, and the flue gas pipes 10 are connected to the first/second/third flue gas heat exchangers 9/12/16 in one-to-one correspondence.
实施例二：Embodiment two:
如图2所示，所述第一烟气换热器9并联设置有两个，每一第一烟气换热器9均呈卧式安装；所述第二烟气换热器12并联设置有四个，其中两个第二烟气换热器12呈卧式安装，另外两个第二烟气换热器12呈立式安装。所述第三烟气换热器16并联设置有两个，每一第三烟气换热器16均呈立式安装；所述烟气管10有八根，所述烟气管10与每一第一/第二/第三烟气换热器9/12/16一一对应连接。本实施例的其他结构与实施例一相同，在此不做赘述。As shown in Figure 2, two first flue gas heat exchangers 9 are arranged in parallel, and each first flue gas heat exchanger 9 is installed horizontally; the second flue gas heat exchanger 12 is arranged in parallel There are four, wherein two second flue gas heat exchangers 12 are installed horizontally, and the other two second flue gas heat exchangers 12 are installed vertically. There are two third flue gas heat exchangers 16 arranged in parallel, and each third flue gas heat exchanger 16 is vertically installed; there are eight flue gas pipes 10, and the flue gas pipes 10 are connected with each The first/second/third flue gas heat exchangers 9/12/16 are connected in one-to-one correspondence. Other structures of this embodiment are the same as those of Embodiment 1, and will not be repeated here.
Claims (5)
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| CN113606787A (en) * | 2021-08-12 | 2021-11-05 | 陈金花 | An energy-saving shower device based on waste heat recovery from flue gas |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113606787A (en) * | 2021-08-12 | 2021-11-05 | 陈金花 | An energy-saving shower device based on waste heat recovery from flue gas |
| CN113606787B (en) * | 2021-08-12 | 2022-03-25 | 陈金花 | An energy-saving shower device based on waste heat recovery from flue gas |
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