CN204678459U - The hot molten salt energy-storage heating system of trough-electricity - Google Patents
The hot molten salt energy-storage heating system of trough-electricity Download PDFInfo
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- CN204678459U CN204678459U CN201520200687.3U CN201520200687U CN204678459U CN 204678459 U CN204678459 U CN 204678459U CN 201520200687 U CN201520200687 U CN 201520200687U CN 204678459 U CN204678459 U CN 204678459U
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- 150000003839 salts Chemical class 0.000 title claims abstract description 56
- 238000010438 heat treatment Methods 0.000 title claims abstract description 49
- 238000004146 energy storage Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000005485 electric heating Methods 0.000 claims abstract description 57
- 239000007788 liquid Substances 0.000 claims description 15
- 239000008236 heating water Substances 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 238000004880 explosion Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000003915 air pollution Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
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Abstract
本实用新型公开了一种用于冬季室内采暖的低谷电热熔盐储能采暖系统，本实用新型主要由电热熔盐罐、换热器、水罐、散热器、管道、阀门和循环泵等组成。电热熔盐罐和水罐中均设置有防爆式电加热管，在电力低谷时段，使用水罐中电加热管直接加热水进行室内供暖，同时使用熔盐罐中电加热管加热熔盐进行储能，并在电力平时段和峰时段利用换热器释放存储的能量，以实现对室内进行供暖。与传统供暖方式相比，该系统使用清洁的低谷电力，提高了电力系统的综合利用率，减少了大气污染和雾霾的发生，适合于小区、医院、学校等集中供暖使用。
The utility model discloses a low-valley electric heating molten salt energy storage heating system for indoor heating in winter. The utility model is mainly composed of an electric heating molten salt tank, a heat exchanger, a water tank, a radiator, a pipeline, a valve, a circulation pump and the like. . Both the electric molten salt tank and the water tank are equipped with explosion-proof electric heating tubes. During the period of low power, the electric heating tubes in the water tank are used to directly heat the water for indoor heating, and at the same time, the electric heating tubes in the molten salt tank are used to heat the molten salt for storage. Energy, and use the heat exchanger to release the stored energy during the normal and peak periods of power to achieve indoor heating. Compared with traditional heating methods, this system uses clean low-valley electricity, which improves the comprehensive utilization rate of the power system and reduces the occurrence of air pollution and smog. It is suitable for central heating in residential areas, hospitals, and schools.
Description
技术领域technical field
本实用新型属于能源利用技术领域，具体来说涉及一种用于冬季室内采暖的低谷电热熔盐储能采暖系统。The utility model belongs to the technical field of energy utilization, and in particular relates to a low valley electric heating molten salt energy storage heating system for indoor heating in winter.
背景技术Background technique
热水供暖系统是以热水作为热媒的供暖系统，民用建筑多采用这种方式进行室内采暖。传统的热水供暖系统以燃烧煤、天然气作为热能来源，其燃烧过程对大气和环境造成了严重污染。目前，太阳能热水器作为一种新式热能来源，被引入到普通家庭的热水供暖系统中，利用太阳能热水器进行供暖设计时，其存在热源品质地、供热连续性差、易受天气影响等缺点，尤其是在雾霾严重的区域。虽然可以在太阳能热水器中加以电加热进行补偿，但电加热的工作时段大多运行于电力的峰时段和平时段，从而增加了电力系统的负担。The hot water heating system uses hot water as the heating medium, and most civil buildings use this method for indoor heating. The traditional hot water heating system uses coal and natural gas as the source of heat energy, and the combustion process has caused serious pollution to the atmosphere and the environment. At present, as a new type of heat source, solar water heaters are introduced into the hot water heating system of ordinary households. When using solar water heaters for heating design, they have disadvantages such as heat source quality, poor heating continuity, and vulnerability to weather, especially in areas with severe smog. Although electric heating can be added to solar water heaters for compensation, most of the working hours of electric heating are during peak hours and peaceful hours of electricity, thus increasing the burden on the power system.
实用新型内容Utility model content
本实用新型的目的在于克服现有技术的不足，提供一种用于冬季室内采暖的低谷电热熔盐储能采暖系统，以提高供暖的连续性和电力系统的综合利用效率。The purpose of the utility model is to overcome the deficiencies of the prior art and provide a low-valley electric heating molten salt energy storage heating system for indoor heating in winter, so as to improve the continuity of heating and the comprehensive utilization efficiency of the power system.
本实用新型所涉及的低谷电热熔盐储能采暖系统包括电热熔盐罐、换热器、水罐、散热器、管道、阀门和循环泵。所述电热熔盐罐和水罐中分别设置有第一防爆式电加热管和第二防爆式电加热管；电热熔盐罐包括出液口和进液口，电热熔盐罐的出液口通过管道与换热器相连，且换热器通过回路管道与电热熔盐罐的进液口联通，使电热熔盐罐和换热器之间构成一个回路；在电热熔盐罐的出液口至换热器相连的管道上依次设置有第一循环泵、第一单向阀和第一流量计，所述第一单向阀的流向沿电热熔盐罐至换热器的方向设置；在换热器和电热熔盐罐的进液口相连的管道上设置有第二单向阀，第二单向阀的流向沿换热器至电热熔盐罐的方向设置；水罐包括换热进水口、换热出水口、采暖进水口和采暖出水口；在换热进水口和换热出水口之间连接有螺旋形加热管，其设置在水罐的内部，螺旋形加热管的直径为20-50mm，用于加热水罐内部的水；换热进水口通过管道与换热器相连，且在换热器至换热进水口相连的管道上依次设置有第三单向阀和截止阀，第三单向阀的流向沿换热器至换热进水口的方向设置；换热出水口通过管道与换热器相连，且在换热出水口至换热器相连的管道上依次设置有第二循环泵、第四单向阀和第二流量计，第四单向阀的流向沿换热出水口至换热器的方向设置；采暖出水口通过管道与散热器相连，在采暖出水口至散热器相连的管道上依次设置有第三循环泵、第五单向阀和第三流量计，第五单向阀的流向沿采暖出水口至散热器的方向设置；散热器通过管道与采暖进水口相连，在散热器和采暖进水口连接的管道上设置有第六单向阀，第六单向阀的流向沿散热器至采暖进水口的方向设置；所述电热熔盐罐、水罐和散热器分别设置有第一温度计、第二温度计和第三温度计，用于检测温度。The low-valley electric heating molten salt energy storage heating system involved in the utility model includes an electric heating molten salt tank, a heat exchanger, a water tank, a radiator, a pipeline, a valve and a circulating pump. The electric heating molten salt tank and the water tank are respectively provided with a first explosion-proof electric heating tube and a second explosion-proof electric heating tube; the electric heating molten salt tank includes a liquid outlet and a liquid inlet, and the liquid outlet of the electric heating molten salt tank It is connected to the heat exchanger through the pipeline, and the heat exchanger is connected with the liquid inlet of the electric heating molten salt tank through the loop pipeline, so that a loop is formed between the electric heating molten salt tank and the heat exchanger; at the liquid outlet of the electric heating molten salt tank A first circulating pump, a first one-way valve and a first flowmeter are sequentially arranged on the pipeline connected to the heat exchanger, and the flow direction of the first one-way valve is set along the direction from the electric heating molten salt tank to the heat exchanger; The pipeline connecting the heat exchanger and the liquid inlet of the electric heating molten salt tank is provided with a second check valve, and the flow direction of the second check valve is set along the direction from the heat exchanger to the electric heating molten salt tank; the water tank includes a heat exchange inlet Water outlet, heat exchange outlet, heating water inlet and heating outlet; between the heat exchange water inlet and the heat exchange outlet is connected a spiral heating tube, which is arranged inside the water tank, and the diameter of the spiral heating tube is 20 -50mm, used to heat the water inside the water tank; the heat exchange water inlet is connected to the heat exchanger through a pipe, and a third one-way valve and a stop valve are arranged in sequence on the pipe connecting the heat exchanger to the heat exchange water inlet, The flow direction of the third one-way valve is set along the direction from the heat exchanger to the heat exchange water inlet; The second circulation pump, the fourth one-way valve and the second flowmeter, the flow direction of the fourth one-way valve is set along the direction from the heat exchange outlet to the heat exchanger; The pipeline connected to the radiator is provided with a third circulating pump, a fifth one-way valve and a third flowmeter in sequence, and the flow direction of the fifth one-way valve is set along the direction from the heating water outlet to the radiator; the radiator is connected with the heating inlet through the pipeline. The water ports are connected, and a sixth one-way valve is arranged on the pipeline connecting the radiator and the heating water inlet, and the flow direction of the sixth one-way valve is set along the direction from the radiator to the heating water inlet; the electric molten salt tank, water tank and The radiator is respectively provided with a first thermometer, a second thermometer and a third thermometer for detecting temperature.
在电力低谷时段，使用水罐中电加热管直接加热水并通过散热器进行室内供暖，同时使用熔盐罐中电加热管加热熔盐进行储能，并在电力平时段和峰时段利用换热器释放存储的能量，换热器散发的热量通过水罐中的螺旋形加热管对水罐中的水进行加热，从而实现对室内进行供暖。与传统供暖方式相比，该系统使用清洁的低谷电力，提高了电力系统的综合利用率，减少了大气污染和雾霾的发生，适合于小区、医院、学校等集中供暖使用。During the low power period, the electric heating tube in the water tank is used to directly heat the water and the radiator is used for indoor heating. At the same time, the electric heating tube in the molten salt tank is used to heat the molten salt for energy storage, and the heat exchanger is released during normal and peak power periods The stored energy and the heat dissipated by the heat exchanger heat the water in the water tank through the spiral heating tube in the water tank, thereby realizing the heating of the room. Compared with traditional heating methods, this system uses clean low-valley electricity, which improves the comprehensive utilization rate of the power system and reduces the occurrence of air pollution and smog. It is suitable for central heating in residential areas, hospitals, and schools.
附图说明Description of drawings
图1是本实用新型的结构示意图。Fig. 1 is a structural representation of the utility model.
其中：1为电热熔盐罐，1-1为第一防爆式电加热管，1-2为第一温度计，2为换热器，3为水罐，3-1为第二防爆式电加热管，3-2为第二温度计，3-3为螺旋形加热管，4为散热器，5为第一循环泵，6为第一单向阀，7为第一流量计，8为第二单向阀，9为第三单向阀，10为截止阀，11为第二循环泵，12为第四单向阀，13为第二流量计，14为第三循环泵，15为第五单向阀，16为第三流量计，17为第六单向阀。Among them: 1 is the electric molten salt tank, 1-1 is the first explosion-proof electric heating tube, 1-2 is the first thermometer, 2 is the heat exchanger, 3 is the water tank, 3-1 is the second explosion-proof electric heating Pipe, 3-2 is the second thermometer, 3-3 is the spiral heating tube, 4 is the radiator, 5 is the first circulation pump, 6 is the first one-way valve, 7 is the first flow meter, 8 is the second One-way valve, 9 is the third one-way valve, 10 is the stop valve, 11 is the second circulation pump, 12 is the fourth one-way valve, 13 is the second flow meter, 14 is the third circulation pump, 15 is the fifth One-way valve, 16 is the third flow meter, and 17 is the sixth one-way valve.
具体实施方式Detailed ways
下面结合具体实施例进一步说明本实用新型的技术方案。The technical scheme of the utility model is further described below in conjunction with specific embodiments.
如附图1所示，本实用新型所涉及的低谷电热熔盐储能采暖系统包括电热熔盐罐、换热器、水罐、散热器、管道、阀门和循环泵。As shown in Figure 1, the low-valley electric heating molten salt energy storage heating system involved in the utility model includes an electric heating molten salt tank, a heat exchanger, a water tank, a radiator, pipelines, valves and a circulation pump.
所述电热熔盐罐和水罐中分别设置有第一防爆式电加热管和第二防爆式电加热管；电热熔盐罐包括出液口和进液口，电热熔盐罐的出液口通过管道与换热器相连，且换热器通过回路管道与电热熔盐罐的进液口联通，使电热熔盐罐和换热器之间构成一个回路；在电热熔盐罐的出液口至换热器相连的管道上依次设置有第一循环泵、第一单向阀和第一流量计，所述第一单向阀的流向沿电热熔盐罐至换热器的方向设置；在换热器和电热熔盐罐的进液口相连的管道上设置有第二单向阀，第二单向阀的流向沿换热器至电热熔盐罐的方向设置；水罐包括换热进水口、换热出水口、采暖进水口和采暖出水口；在换热进水口和换热出水口之间连接有螺旋形加热管，其设置在水罐的内部，螺旋形加热管的直径为20-50mm，用于加热水罐内部的水；换热进水口通过管道与换热器相连，且在换热器至换热进水口相连的管道上依次设置有第三单向阀和截止阀，第三单向阀的流向沿换热器至换热进水口的方向设置；换热出水口通过管道与换热器相连，且在换热出水口至换热器相连的管道上依次设置有第二循环泵、第四单向阀和第二流量计，第四单向阀的流向沿换热出水口至换热器的方向设置；采暖出水口通过管道与散热器相连，在采暖出水口至散热器相连的管道上依次设置有第三循环泵、第五单向阀和第三流量计，第五单向阀的流向沿采暖出水口至散热器的方向设置；散热器通过管道与采暖进水口相连，在散热器和采暖进水口连接的管道上设置有第六单向阀，第六单向阀的流向沿散热器至采暖进水口的方向设置；所述电热熔盐罐、水罐和散热器分别设置有第一温度计、第二温度计和第三温度计，用于检测温度。The electric heating molten salt tank and the water tank are respectively provided with a first explosion-proof electric heating tube and a second explosion-proof electric heating tube; the electric heating molten salt tank includes a liquid outlet and a liquid inlet, and the liquid outlet of the electric heating molten salt tank It is connected to the heat exchanger through the pipeline, and the heat exchanger is connected with the liquid inlet of the electric heating molten salt tank through the loop pipeline, so that a loop is formed between the electric heating molten salt tank and the heat exchanger; at the liquid outlet of the electric heating molten salt tank A first circulating pump, a first one-way valve and a first flowmeter are sequentially arranged on the pipeline connected to the heat exchanger, and the flow direction of the first one-way valve is set along the direction from the electric heating molten salt tank to the heat exchanger; The pipeline connecting the heat exchanger and the liquid inlet of the electric heating molten salt tank is provided with a second check valve, and the flow direction of the second check valve is set along the direction from the heat exchanger to the electric heating molten salt tank; the water tank includes a heat exchange inlet Water outlet, heat exchange outlet, heating water inlet and heating outlet; between the heat exchange water inlet and the heat exchange outlet is connected a spiral heating tube, which is arranged inside the water tank, and the diameter of the spiral heating tube is 20 -50mm, used to heat the water inside the water tank; the heat exchange water inlet is connected to the heat exchanger through a pipe, and a third one-way valve and a stop valve are arranged in sequence on the pipe connecting the heat exchanger to the heat exchange water inlet, The flow direction of the third one-way valve is set along the direction from the heat exchanger to the heat exchange water inlet; The second circulation pump, the fourth one-way valve and the second flowmeter, the flow direction of the fourth one-way valve is set along the direction from the heat exchange outlet to the heat exchanger; The pipeline connected to the radiator is provided with a third circulating pump, a fifth one-way valve and a third flowmeter in sequence, and the flow direction of the fifth one-way valve is set along the direction from the heating water outlet to the radiator; the radiator is connected with the heating inlet through the pipeline. The water ports are connected, and a sixth one-way valve is arranged on the pipeline connecting the radiator and the heating water inlet, and the flow direction of the sixth one-way valve is set along the direction from the radiator to the heating water inlet; the electric molten salt tank, water tank and The radiator is respectively provided with a first thermometer, a second thermometer and a third thermometer for detecting temperature.
在电力低谷时段，启动电热熔盐罐和水罐中的第一防爆式电加热管和第二防爆式电加热管对熔盐和水进行加热，关闭第一循环泵(熔盐循环泵)和第二循环泵(热水循环泵)和截止阀，开启第三循环泵(供暖循环泵)，利用水罐中第二防爆式电加热管加热的热水通过散热器对室内进行供暖；同时利用电热熔盐罐中的第一防爆式电加热管对熔盐进行加热，以使电能转化为热能存储在熔盐中，为电力峰时段和平时段的热能转换提供能源。During the low power period, start the first explosion-proof electric heating tube and the second explosion-proof electric heating tube in the electric heating molten salt tank and water tank to heat the molten salt and water, and turn off the first circulation pump (molten salt circulation pump) and The second circulation pump (hot water circulation pump) and the shut-off valve, open the third circulation pump (heating circulation pump), use the hot water heated by the second explosion-proof electric heating tube in the water tank to heat the room through the radiator; The first explosion-proof electric heating tube in the electric molten salt tank heats the molten salt so that electric energy is converted into thermal energy and stored in the molten salt, providing energy for thermal energy conversion during power peak periods and peaceful periods.
在电力峰时段和平时段，打开截止阀，启动第一循环泵(熔盐循环泵)、第二循环泵(热水循环泵)和第三循环泵(供暖循环泵)，利用换热器实现熔盐--水的换热，并通过水罐中的螺旋形加热管实现水罐中水--水的二次换热，从而实现将电力低谷时段存储的电能转化为供暖所需的热能，最后通过第三循环泵(供暖循环泵)、水罐和散热器对室内进行供暖。During the power peak period and the peaceful period, open the cut-off valve, start the first circulation pump (molten salt circulation pump), the second circulation pump (hot water circulation pump) and the third circulation pump (heating circulation pump), and use the heat exchanger to realize melting Salt-water heat exchange, and through the spiral heating tube in the water tank to realize the water-water secondary heat exchange in the water tank, so as to realize the conversion of the electric energy stored in the low power period into the heat energy required for heating, and finally The room is heated by the third circulation pump (heating circulation pump), water tank and radiator.
以上对本实用新型做了示例性的描述，应该说明的是，在不脱离本实用新型的核心的情况下，任何简单的变形、修改或者其他本领域技术人员能够不花费创造性劳动的等同替换均落入本实用新型的保护范围。The utility model has been described as an example above. It should be noted that, without departing from the core of the utility model, any simple deformation, modification or other equivalent replacements that can be made by those skilled in the art without costing creative labor all fall into the Into the scope of protection of the utility model.
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| CN107726599A (en) * | 2017-09-26 | 2018-02-23 | 优晖科技（北京）有限公司 | Electric heat accumulation hot-water supply system |
| CN108443954A (en) * | 2018-05-07 | 2018-08-24 | 北京市热力集团有限责任公司 | A kind of a variety of energy storage mode depth heat release heating systems of coupling |
| CN112393312A (en) * | 2020-12-18 | 2021-02-23 | 冀中能源井陉矿业集团大有机电有限公司 | Season-crossing energy storage heating system using renewable energy |
| CN113091114A (en) * | 2021-05-11 | 2021-07-09 | 杭州英集动力科技有限公司 | Building heat exchange unit with molten salt energy storage and heat supply system and regulation and control method thereof |
| CN115962572A (en) * | 2023-01-30 | 2023-04-14 | 浙江镁源动力科技有限公司 | Molten salt storage container, molten salt heat management system and molten salt heat management method |
| CN116536710A (en) * | 2023-06-30 | 2023-08-04 | 中石油深圳新能源研究院有限公司 | Hot molten salt heat exchange device and gas-liquid separation device |
-
2015
- 2015-04-07 CN CN201520200687.3U patent/CN204678459U/en not_active Expired - Lifetime
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| CN107270374A (en) * | 2017-05-09 | 2017-10-20 | 北京万机汇机电工程技术有限公司 | A kind of fused salt heat storage type central heating system |
| CN107726599A (en) * | 2017-09-26 | 2018-02-23 | 优晖科技（北京）有限公司 | Electric heat accumulation hot-water supply system |
| CN108443954A (en) * | 2018-05-07 | 2018-08-24 | 北京市热力集团有限责任公司 | A kind of a variety of energy storage mode depth heat release heating systems of coupling |
| CN108443954B (en) * | 2018-05-07 | 2024-06-07 | 北京市热力集团有限责任公司 | Deep heat release heating system with multiple energy storage modes in coupling mode |
| CN112393312A (en) * | 2020-12-18 | 2021-02-23 | 冀中能源井陉矿业集团大有机电有限公司 | Season-crossing energy storage heating system using renewable energy |
| CN113091114A (en) * | 2021-05-11 | 2021-07-09 | 杭州英集动力科技有限公司 | Building heat exchange unit with molten salt energy storage and heat supply system and regulation and control method thereof |
| CN115962572A (en) * | 2023-01-30 | 2023-04-14 | 浙江镁源动力科技有限公司 | Molten salt storage container, molten salt heat management system and molten salt heat management method |
| CN116536710A (en) * | 2023-06-30 | 2023-08-04 | 中石油深圳新能源研究院有限公司 | Hot molten salt heat exchange device and gas-liquid separation device |
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