CN105276665B - Sanitary wastewater waste heat recovery domestic heating system - Google Patents
Sanitary wastewater waste heat recovery domestic heating system Download PDFInfo
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- CN105276665B CN105276665B CN201510760955.1A CN201510760955A CN105276665B CN 105276665 B CN105276665 B CN 105276665B CN 201510760955 A CN201510760955 A CN 201510760955A CN 105276665 B CN105276665 B CN 105276665B
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- 239000002918 waste heat Substances 0.000 title claims abstract description 65
- 239000002351 wastewater Substances 0.000 title claims abstract description 38
- 238000011084 recovery Methods 0.000 title claims abstract description 36
- 238000010438 heat treatment Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 215
- 238000005406 washing Methods 0.000 claims abstract description 51
- 239000008399 tap water Substances 0.000 claims abstract description 34
- 235000020679 tap water Nutrition 0.000 claims abstract description 34
- 235000013311 vegetables Nutrition 0.000 claims abstract description 25
- 239000010840 domestic wastewater Substances 0.000 claims abstract description 20
- 238000001704 evaporation Methods 0.000 claims abstract description 15
- 239000002699 waste material Substances 0.000 claims abstract description 15
- 230000005494 condensation Effects 0.000 claims abstract description 14
- 238000009833 condensation Methods 0.000 claims abstract description 14
- 230000008020 evaporation Effects 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 238000003287 bathing Methods 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 3
- 238000005338 heat storage Methods 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004851 dishwashing Methods 0.000 description 2
- 239000010791 domestic waste Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001815 facial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/16—Waste heat
- F24D2200/20—Sewage water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/07—Heat pipes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
本发明公开了一种生活废水余热回收家庭供热系统。本发明由热管循环、供热水循环和生活废水循环组成的家庭供热系统，包括废热水出口接管、废热安全阀、废热水泵、废热水储存箱、过滤网，废热水进口接管、自来水进口接管，自来水泵、自来水安全阀、供热水管、用热水开关阀、控制器、洗澡水箱、洗菜水箱、洗脸水箱、供热水阀、储热水箱、热管绝热段、管内吸液芯、热管冷凝段、热管蒸发段、废热回收水箱和辅助电加热器；热管循环是由热管束的蒸发段、绝热段和冷凝段组成，热管束由多个热管组成，每个热管内放置有管内吸液芯，热管蒸发段放置在废热回收水箱中，热管冷凝段放置在储热水箱中。本发明结构简单，操作方便，保护环境，节约能源。
The invention discloses a domestic heating system for recovering waste heat from domestic waste water. The present invention is a household heating system composed of heat pipe circulation, hot water supply circulation and domestic waste water circulation, including waste hot water outlet connection pipe, waste heat safety valve, waste heat water pump, waste heat water storage tank, filter screen, waste water hot water inlet connection pipe, tap water Inlet connection, tap water pump, tap water safety valve, hot water supply pipe, hot water switch valve, controller, bath water tank, vegetable washing water tank, face washing water tank, hot water supply valve, hot water storage tank, heat pipe insulation section, pipe suction Core, heat pipe condensation section, heat pipe evaporation section, waste heat recovery water tank and auxiliary electric heater; the heat pipe circulation is composed of the evaporation section, adiabatic section and condensation section of the heat pipe bundle. The heat pipe bundle is composed of multiple heat pipes, and each heat pipe is placed The liquid-absorbing core in the pipe, the evaporation section of the heat pipe is placed in the waste heat recovery water tank, and the condensation section of the heat pipe is placed in the hot water storage tank. The invention has the advantages of simple structure, convenient operation, environmental protection and energy saving.
Description
技术领域technical field
本发明涉及一种生活废水余热回收家庭供热系统。The invention relates to a domestic heating system for recovering waste heat from domestic wastewater.
背景技术Background technique
在人们的日常生活中，热水供应已经成为不可缺少的一部分。然而在日常生活中具有较高温度的生活废水(洗澡水、淘菜水、刷锅水等)常常被直接排掉，特别是洗澡废水温度高、用量大，直接排掉造成了很大的热损失，这与节能环保的时代主题不符。如果将这部分热量回收利用，不仅节约能源，也能带来可观的经济利益。为充分利用废热水的余热,在系统中加入热管，利用热管具有极强的热传导能力，管内工质在蒸发段吸收生活废水的余热蒸发气化，经绝热段到达热管的冷凝段放出热量冷凝，将生活废水余热中的热量导出，制取生活用热水，充分回收生活废热水余热，大大提高了能源的利用率，节约能源、保护环境。但目前未见有实施例。In people's daily life, hot water supply has become an indispensable part. However, in daily life, domestic wastewater with relatively high temperature (bath water, vegetable cleaning water, pot washing water, etc.) is often directly discharged, especially the bath wastewater has a high temperature and a large amount, and direct discharge causes a lot of heat. loss, which is inconsistent with the theme of the times of energy conservation and environmental protection. If this part of heat is recycled, it will not only save energy, but also bring considerable economic benefits. In order to make full use of the waste heat of waste hot water, a heat pipe is added to the system. The heat pipe has a strong heat conduction ability. The working medium in the pipe absorbs the waste heat of domestic wastewater in the evaporation section, evaporates and gasifies, and reaches the condensation section of the heat pipe through the adiabatic section to release heat for condensation , export the heat in the waste heat of domestic waste water, produce domestic hot water, fully recover the waste heat of domestic waste hot water, greatly improve the utilization rate of energy, save energy and protect the environment. But there is no embodiment at present.
发明内容Contents of the invention
本发明是为了改进现有技术中的不足之处，提供一种生活废水余热作为低温热源、结构简单、操作方便、节约能源的生活废水余热回收家庭供热系统。The purpose of the present invention is to improve the deficiencies in the prior art, and to provide a household heating system for recovering waste heat from domestic waste water as a low-temperature heat source, simple in structure, convenient in operation, and energy-saving.
本发明一种生活废水余热回收家庭供热系统，采用以下技术方案予以实现，供热系统由热管循环、供热水循环和生活废水循环组成，包括废热水出口接管、废热安全阀、废热水泵、废热水储存箱、过滤网，废热水进口接管、自来水进口接管，自来水泵、自来水安全阀、供热水管、用热水开关阀、控制器、洗澡水箱、洗菜水箱、洗脸水箱、供热水阀、储热水箱、热管绝热段、管内吸液芯、热管冷凝段、热管蒸发段和废热回收水箱；The present invention is a household heating system for waste heat recovery from domestic wastewater, which is realized by the following technical scheme. The heating system is composed of heat pipe circulation, hot water supply circulation and domestic wastewater circulation, including waste water outlet connection, waste heat safety valve, waste heat pump, Waste hot water storage tank, filter screen, waste hot water inlet connection, tap water inlet connection, tap water pump, tap water safety valve, hot water supply pipe, hot water switch valve, controller, bath water tank, vegetable washing water tank, face washing water tank, water supply Hot water valve, hot water storage tank, heat pipe insulation section, liquid suction core in pipe, heat pipe condensation section, heat pipe evaporation section and waste heat recovery water tank;
所述热管循环是由热管束的蒸发段、绝热段和冷凝段组成，热管束由多个热管组成，每个热管内放置有管内吸液芯，热管蒸发段放置在废热回收水箱中，热管冷凝段放置在储热水箱中；The heat pipe cycle is composed of an evaporation section, an adiabatic section, and a condensation section of a heat pipe bundle. The heat pipe bundle is composed of a plurality of heat pipes. Each heat pipe is equipped with an in-pipe liquid-absorbing wick. The heat pipe evaporation section is placed in a waste heat recovery water tank. The heat pipe condenses The section is placed in the hot water storage tank;
所述生活废水循环包括废热回收水箱、废热水安全阀、废热水泵、废热水储存箱、过滤网，废热水进口接管和废热水出口接管；废热水进口接管与过滤网的进口连接，过滤网的出口与废热水储存箱的入口连接，废热水储存箱的出口与废热水泵的入口连接，废热水泵的出口经废热水安全阀与废热回收水箱的废热水进口接管连接，废热水出口接管与废热回收水箱的废水排出口连接；The domestic wastewater cycle includes a waste heat recovery water tank, a waste water safety valve, a waste heat pump, a waste water storage tank, a filter screen, a waste water inlet connection pipe and a waste water outlet connection pipe; Connection, the outlet of the filter screen is connected to the inlet of the waste water storage tank, the outlet of the waste water storage tank is connected to the inlet of the waste heat pump, the outlet of the waste heat pump is connected to the waste water inlet of the waste heat recovery tank through the waste heat safety valve Connection, the waste water hot water outlet connection pipe is connected with the waste water discharge port of the waste heat recovery water tank;
所述供热水循环由自来水进口接管、自来水泵、自来水安全阀、供热水阀、储热水箱、洗脸水箱、洗菜水箱、洗澡水箱、用热水开关阀和控制器组成；自来水进口与自来水泵的入口连接，自来水泵的出口经自来水安全阀与储热水箱的自来水进水接口连接；储热水箱的供热水出口经分成三路供热水阀分别与洗脸水箱、洗菜水箱和洗澡水箱的入口连接，洗脸水箱、洗菜水箱和洗澡水箱的出口与用热水开关阀连接。The hot water supply cycle is composed of a tap water inlet connection pipe, a tap water pump, a tap water safety valve, a hot water supply valve, a hot water storage tank, a washing water tank, a vegetable washing water tank, a bathing water tank, a hot water switch valve and a controller; The inlet of the tap water pump is connected, and the outlet of the tap water pump is connected to the tap water inlet interface of the hot water storage tank through the tap water safety valve; The inlets of the water tank and the water tank for bathing are connected, and the outlets of the water tank for washing one's face, the water tank for washing vegetables and the water tank for bathing are connected with the hot water switch valve.
所述废热回收水箱、储热水箱、洗澡水箱、洗菜水箱和洗脸水箱内均安装有浮球阀。Float valves are installed in the waste heat recovery water tank, hot water storage tank, bathing water tank, vegetable washing water tank and face washing water tank.
所述洗澡水箱、洗菜水箱、洗脸水箱内均设置有辅助电加热器，并设置有水温温度传感器，所述温度传感器与洗澡水箱、洗菜水箱、洗脸水箱的水温温度显示盘和辅助电加热器的控制元件连接。The bath water tank, vegetable washing water tank, and face washing water tank are all provided with auxiliary electric heaters, and are provided with water temperature temperature sensors. connected to the control unit of the device.
所述废热回收水箱、储热水箱、洗澡水箱、洗菜水箱、洗脸水箱外均包有保温隔热层；所述洗澡水箱、洗菜水箱、洗脸水箱的热水进口设有过滤网。The waste heat recovery water tank, hot water storage tank, bathing water tank, vegetable washing water tank and facial washing water tank are all covered with thermal insulation layers; the hot water inlets of the bathing water tank, vegetable washing water tank and facial washing water tank are provided with filter screens.
本发明具有下述技术效果：The present invention has following technical effect:
1、本发明是在家庭供热系统中利用热管循环实现生活废水余热的回收利用，代替现有的家庭供热系统中的热泵循环，利用热管超强的热传导能力来提高换热效果，并降低电能的消耗，节约能源。1. The present invention utilizes the heat pipe circulation in the household heating system to realize the recycling of waste heat from domestic waste water, replaces the existing heat pump circulation in the household heating system, and utilizes the super-strong heat conduction capacity of the heat pipe to improve the heat exchange effect and reduce the Electric energy consumption, saving energy.
2、本发明生活废水余热回收家庭供热系统结构简单，操作方便，环保节能，方便控制，安全可靠。2. The household heating system for waste heat recovery from domestic waste water of the present invention has the advantages of simple structure, convenient operation, environmental protection and energy saving, convenient control, safety and reliability.
附图说明Description of drawings
图1为本发明生活废水余热回收家庭供热系统的示意图。Fig. 1 is a schematic diagram of a household heating system for recovering waste heat from domestic wastewater according to the present invention.
具体实施方式detailed description
以下结合附图和具体实施例对本发明详细说明。The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
图1为本发明的生活废水余热回收家庭供热系统的示意图，由热管循环、供热水循环和生活废水循环组成；包括废热水出口接管1、废热安全阀2、废热水泵3、废热水储存箱4、过滤网5，废热水进口接管6、自来水进口接管7，自来水泵8、自来水安全阀9、供热水管10、用热水开关阀11、控制器12、洗澡水箱13、洗菜水箱14、洗脸水箱15、供热水阀16、储热水箱17、热管绝热段19、管内吸液芯20、热管冷凝段21、热管蒸发段22、废热回收水箱23和辅助电加热器24。Fig. 1 is a schematic diagram of domestic waste heat recovery domestic heating system of the present invention, which is composed of heat pipe circulation, hot water supply circulation and domestic waste water circulation; including waste water outlet connecting pipe 1, waste heat safety valve 2, waste heat pump 3, waste water Storage tank 4, filter screen 5, waste hot water inlet connection 6, tap water inlet connection 7, tap water pump 8, tap water safety valve 9, hot water supply pipe 10, hot water switch valve 11, controller 12, bath water tank 13, washing Vegetable water tank 14, washing water tank 15, hot water supply valve 16, hot water storage tank 17, heat pipe insulation section 19, pipe liquid-absorbing core 20, heat pipe condensation section 21, heat pipe evaporation section 22, waste heat recovery water tank 23 and auxiliary electric heater twenty four.
所述热管循环是由热管束18的蒸发段、绝热段和冷凝段组成，热管束18由多个热管组成，每个热管内放置有管内吸液芯20，热管蒸发段22放置在废热回收水箱23中，热管冷凝段21放置在储热水箱17中；The heat pipe cycle is composed of an evaporation section, an adiabatic section, and a condensation section of a heat pipe bundle 18. The heat pipe bundle 18 is composed of a plurality of heat pipes, and each heat pipe is provided with an in-pipe liquid-absorbing wick 20, and the heat pipe evaporation section 22 is placed in a waste heat recovery water tank. 23, the heat pipe condensation section 21 is placed in the hot water storage tank 17;
所述生活废水循环包括废热回收水箱23、废热水安全阀2、废热水泵3、废热水储存箱4、过滤网5，废热水进口接管6和废热水出口接管1。废热水进口接管6与过滤网5的进口连接，过滤网5的出口与废热水储存箱4的入口连接，废热水储存箱4的出口与废热水泵3的入口连接，废热水泵3的出口经废热水安全阀2与废热回收水箱23的废热水进口接管连接，废热水出口接管1与废热回收水箱23的废水排出口连接。The domestic wastewater cycle includes a waste heat recovery water tank 23 , a waste hot water safety valve 2 , a waste heat pump 3 , a waste water storage tank 4 , a filter 5 , a waste water inlet connection 6 and a waste water outlet connection 1 . The waste hot water inlet connecting pipe 6 is connected to the inlet of the filter screen 5, the outlet of the filter screen 5 is connected to the inlet of the waste water storage tank 4, the outlet of the waste water storage tank 4 is connected to the inlet of the waste heat pump 3, and the waste water pump 3 The outlet is connected to the waste hot water inlet connection pipe of the waste heat recovery water tank 23 through the waste hot water safety valve 2 , and the waste water hot water outlet connection pipe 1 is connected to the waste water outlet of the waste heat recovery water tank 23 .
所述供热水循环由自来水进口接管7、自来水泵8、自来水安全阀9、供热水阀16、储热水箱17、洗脸水箱15、洗菜水箱14、洗澡水箱13、用热水开关阀11和控制器12组成；自来水进口7与自来水泵8的入口连接，自来水泵8的出口经自来水安全阀9与储热水箱17的自来水进水接口连接；储热水箱17的供热水出口经分成三路供热水阀16分别与洗脸水箱15、洗菜水箱14和洗澡水箱13的入口连接，洗脸水箱15、洗菜水箱14和洗澡水箱13的出口与用热水开关阀11连接,用热水开关阀11出口连接供热水管10。The hot water supply cycle is composed of tap water inlet connection 7, tap water pump 8, tap water safety valve 9, hot water supply valve 16, hot water storage tank 17, face washing water tank 15, vegetable washing water tank 14, bathing water tank 13, hot water switch valve 11 and a controller 12; the tap water inlet 7 is connected to the inlet of the tap water pump 8, and the outlet of the tap water pump 8 is connected to the tap water inlet interface of the hot water storage tank 17 through the tap water safety valve 9; the hot water supply of the hot water storage tank 17 Outlet is divided into three-way hot water supply valve 16 and is respectively connected with the entrance of washing water tank 15, dish washing water tank 14 and bathing water tank 13, and the outlet of washing face water tank 15, washing vegetable water tank 14 and bathing water tank 13 is connected with hot water switch valve 11 , connect the hot water supply pipe 10 with the outlet of the hot water switch valve 11.
所述废热回收水箱23、储热水箱17、洗澡水箱13、洗菜水箱14和洗脸水箱15内均安装有浮球阀，当水位超过限制高度时，自动经排水口排出，当水位低于限制高度时，经接水管将水引入水箱。废热回收水箱23中经热管蒸发吸热后的废水经废水排出接口及时排出。The waste heat recovery water tank 23, the hot water storage tank 17, the bathing water tank 13, the vegetable washing water tank 14 and the face washing water tank 15 are all equipped with float valves. When the water level exceeds the limit height, it will be automatically discharged through the drain. When the height is high, the water is introduced into the water tank through the water connection pipe. The waste water in the waste heat recovery water tank 23 after being evaporated and absorbed by the heat pipe is discharged in time through the waste water discharge port.
所述洗澡水箱、洗菜水箱、洗脸水箱内均设置有辅助电加热器24，并设置有水温温度传感器感应水箱内的水温，所述温度传感器与洗澡水箱、洗菜水箱、洗脸水箱的水温温度显示盘12和辅助电加热器24的控制元件连接，并自动显示温度，当水箱内水的温度不能满足要求时，自动接通辅助电加热器24对水进行加热。All be provided with auxiliary electric heater 24 in described bathing water tank, vegetable washing water tank, washing face water tank, and be provided with the water temperature in the induction water tank of water temperature temperature sensor, described temperature sensor and the water temperature temperature of bathing water tank, vegetable washing water tank, washing face water tank The display panel 12 is connected with the control element of the auxiliary electric heater 24, and automatically displays the temperature. When the temperature of the water in the water tank cannot meet the requirements, the auxiliary electric heater 24 is automatically connected to heat the water.
所述废热回收水箱、储热水箱、洗澡水箱、洗菜水箱、洗脸水箱外均包有保温隔热层，以免水箱内热量散发引起热损失，造成能源的浪费。所述洗澡水箱、洗菜水箱、洗脸水箱的热水进口设有过滤网，过滤网要定期清洗更换。The waste heat recovery water tank, hot water storage tank, bathing water tank, vegetable washing water tank, and face washing water tank are all covered with thermal insulation layers to avoid heat loss caused by heat dissipation in the water tanks and waste of energy. The hot water inlets of the bathing water tank, vegetable washing water tank and face washing water tank are provided with filter screens, and the filter screens should be cleaned and replaced regularly.
所述热管束的热管数量根据家庭用热水量确定。The number of heat pipes in the heat pipe bundle is determined according to the amount of domestic hot water.
使用时，生活中的废热水经过滤网5过滤之后存储在废热水储存箱4中，废热水储存箱内的废水经废热水泵3、废热安全阀进入废热回收水箱23中，放置在废热回收水箱23中的热管蒸发段22，其内部工质吸收废热回收水箱23中废热水的热量而蒸发成气体，经过热管绝热段19进入热管冷凝段21，在储热水箱17中的热管冷凝段21内放出热量冷凝成液体，经管内吸液芯20毛细力作用下回到热管蒸发段22，继续吸热汽化。废热回收水箱23中被热管中的工质吸热，放出热量的废水直接通过排污口排出。储热水箱17中的热水经供热水阀16分别进入洗脸水箱15、洗菜水箱14、洗澡水箱13中，为保证用水温度，在13、14、15的水箱中设置电加热丝和温度控制器，当热水用量较大，洗澡水、洗菜水、洗脸水水箱内的水温降低，如果不能满足需要，则自动启用辅助电加热器24进行辅助加热。当热水用量较小，水温升高，则自动关闭辅助电加热器24，从而实现水温的自动调节。During use, the waste hot water in life is stored in the waste hot water storage tank 4 after being filtered by the filter screen 5, and the waste water in the waste hot water storage tank enters the waste heat recovery water tank 23 through the waste heat pump 3 and the waste heat safety valve, and is placed in the waste heat recovery tank 23. The heat pipe evaporating section 22 in the waste heat recovery water tank 23, its internal working medium absorbs the heat of the waste hot water in the waste heat recovery water tank 23 and evaporates into gas, passes through the heat pipe insulation section 19 and enters the heat pipe condensation section 21, and in the hot water storage tank 17 The heat released in the condensation section 21 of the heat pipe is condensed into liquid, and returns to the evaporation section 22 of the heat pipe under the capillary force of the liquid-absorbing core 20 in the pipe to continue to absorb heat and vaporize. The waste heat recovery water tank 23 is absorbed by the working fluid in the heat pipe, and the waste water that releases heat is directly discharged through the sewage outlet. The hot water in the hot water storage tank 17 enters respectively in the water tank 15 for washing one's face, the water tank 14 for washing vegetables, and the water tank 13 for bathing through the hot water supply valve 16. For guaranteeing the water temperature, electric heating wires and Temperature controller, when the hot water consumption is bigger, the water temperature in the water for bathing, dishwashing water, washing water water tank reduces, if can not satisfy needs, then start auxiliary electric heater 24 automatically and carry out auxiliary heating. When the hot water consumption is small and the water temperature rises, the auxiliary electric heater 24 is automatically closed, thereby realizing the automatic adjustment of the water temperature.
尽管参照实施例对所公开的涉及一种生活废水余热回收家庭供热系统进行了特别描述，以上描述的实施例是说明性的而不是限制性的，在不脱离本发明的精神和范围的情况下，所有的变化和修改都在本发明的范围之内。Although the disclosed domestic heating system involving waste heat recovery from domestic wastewater has been specifically described with reference to the embodiments, the embodiments described above are illustrative rather than restrictive, without departing from the spirit and scope of the present invention Below, all changes and modifications are within the scope of the present invention.
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| CN108592669A (en) * | 2018-04-27 | 2018-09-28 | 南昌大学 | A kind of unidirectional circuit type pulsating heat pipe and energy saver |
| CN113028881A (en) * | 2021-03-30 | 2021-06-25 | 韶关格美机械有限公司 | Heat energy recovery system of equipment |
| CN113865090A (en) * | 2021-09-30 | 2021-12-31 | 南京市建筑设计研究院有限责任公司 | Auxiliary heating system for domestic hot water by using heat pipe and waste hot water |
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