CN205156210U - Take auxiliary cold source's ocean refrigerated water concentrated cooling system - Google Patents
Take auxiliary cold source's ocean refrigerated water concentrated cooling system Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 313
- 238000001816 cooling Methods 0.000 title claims abstract description 59
- 238000007710 freezing Methods 0.000 claims abstract description 39
- 230000008014 freezing Effects 0.000 claims abstract description 39
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- 238000000605 extraction Methods 0.000 claims abstract description 21
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- 238000000034 method Methods 0.000 abstract description 3
- 238000004378 air conditioning Methods 0.000 description 22
- 235000014102 seafood Nutrition 0.000 description 8
- 238000009529 body temperature measurement Methods 0.000 description 7
- 239000013505 freshwater Substances 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 6
- 239000008399 tap water Substances 0.000 description 6
- 235000020679 tap water Nutrition 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000032258 transport Effects 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
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- 238000005086 pumping Methods 0.000 description 2
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 1
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Abstract
本实用新型涉及一种带辅助冷源的海洋冷冻水集中供冷***。目前还没有能源利用率高，节能减排效果显著的该类***和方法。本实用新型的***包括取水模块、带钢圈的胶管和冷量提取模块，其特点是：所述取水模块包括海水泵、海水防腐管道、水罐溢流管、调节水罐、水箱泵、输送管路、水量调节阀和水箱泵变频器，取水模块通过带钢圈和冷量提取模块连接，出水管道的一端和前置热交换器连接，另一端和套管冷凝器连接，风盘回水管的一端和前置热交换器连接，另一端和用户端连接，冷冻出水管的一端和前置热交换器连接，另一端和板式蒸发器连接，冷冻进水管的一端和板式蒸发器连接。本实用新型的运行平稳，能源利用率高，使用灵活，节能减排效果显著。
The utility model relates to a marine frozen water centralized cooling system with an auxiliary cooling source. At present, there is no such system and method with high energy utilization rate and remarkable effect of energy saving and emission reduction. The system of the utility model includes a water intake module, a rubber hose with a steel ring, and a cooling capacity extraction module. Pipeline, water volume regulating valve and water tank pump frequency converter, water intake module is connected with the cooling capacity extraction module through a steel ring, one end of the outlet pipe is connected to the pre-heat exchanger, the other end is connected to the sleeve condenser, and the return pipe of the fan coil One end of the pipe is connected to the front heat exchanger, the other end is connected to the user end, one end of the freezing outlet pipe is connected to the front heat exchanger, the other end is connected to the plate evaporator, and one end of the freezing water inlet pipe is connected to the plate evaporator. The utility model has the advantages of stable operation, high energy utilization rate, flexible use and remarkable effect of energy saving and emission reduction.
Description
技术领域 technical field
本实用新型涉及一种海洋冷冻水集中供冷***，尤其是涉及一种带辅助冷源的海洋冷冻水集中供冷***。 The utility model relates to a marine frozen water centralized cooling system, in particular to a marine frozen water centralized cooling system with an auxiliary cooling source.
背景技术 Background technique
海洋资源中蕴藏着巨大的冷源，例如黄海冷水团中就蕴含了冷源，黄海冷水团是冬季黄海水在表层受冷却作用而下沉后所形成的，因此温度很低，中心温度只有5－8℃，从春季开始海面逐渐增温，在5－7m深处出现温度跃层，使表层海水与底层海水之间的热交换受到阻隔，有效地保证了下层冷水不受上层增温的影响，到了夏季，表层水温在28℃左右，中、底层温度却只有6℃，表底层温差达22℃，据历史研究和数据统计，8℃等温线覆盖面积约为5.5万km2，10℃等温线覆盖面积约为14.3万km2，12℃等温线覆盖面积约为22.6万km2，黄海冷水团所占体积约为5×1012m3，以△T=20℃计算，蕴藏热量4×1020J，其热量值相当于1.37×1010吨标准煤或5.33×1012m3天然气。因此，夏季黄海冷水团的综合利用，有望在“节能减排”国家战略中的海洋领域发挥重要作用，由此可见，如果能够将海洋资源中蕴藏的冷源得以开发和利用，将大大的有利于节能减排。 There are huge cold sources in marine resources. For example, the cold water mass of the Yellow Sea contains cold sources. The cold water mass of the Yellow Sea is formed after the surface layer of the Yellow Sea is cooled and sinks in winter. Therefore, the temperature is very low, and the central temperature is only 5 -8°C, the sea surface warms up gradually from spring, and a thermocline appears at a depth of 5-7m, which blocks the heat exchange between the surface seawater and the bottom seawater, effectively ensuring that the cold water in the lower layer is not affected by the temperature increase in the upper layer , in summer, the surface water temperature is around 28°C, the temperature of the middle and bottom layers is only 6°C, and the temperature difference between the surface and bottom reaches 22°C. According to historical research and statistics, the 8°C isotherm covers an area of about 55,000 km 2 , and the 10°C isotherm The area covered by the line is about 143,000 km 2 , the area covered by the 12°C isotherm is about 226,000 km 2 , and the volume of the cold water mass in the Yellow Sea is about 5×1012m 3 . Calculated at △T=20°C, the stored heat is 4×1020J. Its calorific value is equivalent to 1.37×1010 tons of standard coal or 5.33×1012m 3 natural gas. Therefore, the comprehensive utilization of cold water masses in the Yellow Sea in summer is expected to play an important role in the marine field in the national strategy of "energy saving and emission reduction". It can be seen that if the cold sources contained in marine resources can be developed and utilized, it will greatly benefit Conducive to energy saving and emission reduction.
现在也有一些利用海洋中冷源的技术，如公开日为2007年05月16日，公开号为CN1963320的中国专利中，公开了一种海洋供冷自来水作冷媒的建筑区域空调***，该海洋供冷自来水作冷媒的建筑区域空调***包括海水过滤器、汲水管道、流量传感器、截止阀、海水多级离心泵、三通阀、快滤池、絮凝池、二次快滤池、地下海水库、海水泵、板式换热器、输水泵、地下冷水库、配水泵、空气冷却处理器、净水箱、蝶阀和回流管，将经过快滤池、絮凝池、二次快滤池处理后的冷海水在板式换热器内与自来水换热，利用市政原有地下管网为自来水输送管道，使其发挥输水、输冷双重功能，充分利用次表层海水的冷量，不必再消耗电能以维持空调***的冷源，用于节省电力耗费，但是，该海洋供冷自来水作冷媒的建筑区域空调***的结构设计不够合理，需要消耗自来水。又如公开日为2013年03月27日，公开号为CN102997493A的中国专利中，公开了一种黄海冷水团规模化综合利用***，该黄海冷水团规模化综合利用***包括将黄海冷水团抽取至海平面以上的抽水控制单元，作为降温制冷设备的淡水循环***，将海水与淡水进行换热的热交换单元，和承接换热之后的海水的养殖单元；热交换单元经由海水热泵控制器向养殖单元输送海水、经由淡水热泵控制器向淡水循环***输送经热交换之后的淡水，通过低成本的抽水控制技术，能源零耗费的大规模热交换技术与水源热泵技术的结合，达到了夏季为城市集中规模化供冷的目的，但是该黄海冷水团规模化综合利用***提供了一个构思，没有公开具体结构。 There are also some technologies that utilize cold sources in the ocean now. For example, the Chinese patent whose publication date is May 16, 2007 and whose publication number is CN1963320 discloses a building area air-conditioning system in which the ocean-cooled tap water is used as a refrigerant. The air-conditioning system in the building area where cold tap water is used as the refrigerant includes seawater filters, water intake pipes, flow sensors, stop valves, seawater multi-stage centrifugal pumps, three-way valves, fast filters, flocculation tanks, secondary fast filters, and underground seawater reservoirs , seawater pumps, plate heat exchangers, water delivery pumps, underground cold water reservoirs, water distribution pumps, air cooling processors, clean water tanks, butterfly valves and return pipes, will be treated by quick filter tanks, flocculation tanks and secondary quick filter tanks The cold seawater exchanges heat with tap water in the plate heat exchanger, and uses the original municipal underground pipe network as the tap water delivery pipeline to make it play the dual functions of water delivery and cold delivery, making full use of the cooling capacity of the subsurface seawater, eliminating the need to consume electricity and Maintaining the cold source of the air-conditioning system is used to save power consumption. However, the structural design of the air-conditioning system in the building area where the ocean-cooled tap water is used as the refrigerant is not reasonable enough, and tap water needs to be consumed. Another example is that the publication date is March 27, 2013, and the publication number is CN102997493A in the Chinese patent, which discloses a large-scale comprehensive utilization system of the Yellow Sea cold water mass. The large-scale comprehensive utilization system of the Yellow Sea cold water mass includes extracting the Yellow Sea cold water mass to The pumping control unit above sea level is used as a fresh water circulation system for cooling and refrigeration equipment, a heat exchange unit for exchanging heat between seawater and fresh water, and a breeding unit for seawater after heat exchange; The unit transports seawater, and the fresh water after heat exchange is transported to the fresh water circulation system through the fresh water heat pump controller. Through the low-cost pumping control technology, the combination of large-scale heat exchange technology with zero energy consumption and water source heat pump technology, it has achieved summer for the city. The purpose of centralized large-scale cooling, but the large-scale comprehensive utilization system of the Yellow Sea cold water mass provides a concept, no specific structure is disclosed.
综上所述，目前还没有结构设计合理，运行平稳，能源利用率高，节能减排效果显著的带辅助冷源的海洋冷冻水集中供冷***。 To sum up, there is currently no marine chilled water centralized cooling system with an auxiliary cold source that has a reasonable structure design, stable operation, high energy utilization rate, and significant energy saving and emission reduction effects.
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中存在的上述不足，而提供一种结构设计合理，运行平稳，能源利用率高，使用灵活，节能减排效果显著的带辅助冷源的海洋冷冻水集中供冷***。 The purpose of the utility model is to overcome the above-mentioned deficiencies in the prior art, and provide a centralized marine frozen water with auxiliary cold source with reasonable structure design, stable operation, high energy utilization rate, flexible use, and remarkable effect of energy saving and emission reduction. cooling system.
本实用新型解决上述问题所采用的技术方案是：该带辅助冷源的海洋冷冻水集中供冷***包括取水模块、带钢圈的胶管和冷量提取模块，其结构特点在于：所述取水模块包括海水泵、海水防腐管道、水罐溢流管、调节水罐、水过滤器、单向阀、水压力表、水箱泵、输送管路、水量调节阀和水箱泵变频器，所述调节水罐的上部设置有用于补水的引水口，所述海水防腐管道的一端和海水泵连接，该海水防腐管道的另一端和调节水罐连接，所述水罐溢流管和调节水罐连接，所述输送管路的一端和调节水罐连接，该输送管路的另一端和胶管的一端连接，所述水过滤器、单向阀、水压力表、水箱泵和水量调节阀均安装在输送管路上，所述水箱泵变频器和水箱泵连接；所述冷量提取模块包括输水管道、前置热交换器、出水管道、二号电磁阀、备用空调机组、回水管道、三号电磁阀、海水电磁流量计、风盘回水管、清水泵、排气管、排气阀、冷冻出水管、七号电磁阀、五号电磁阀、冷冻进水管、四号电磁阀、清水电磁流量计、一号旁路、八号电磁阀、二号旁路和六号电磁阀，所述备用空调机组包括套管冷凝器、过滤器、板式蒸发器、气液分离器和压缩机，所述套管冷凝器通过管路和过滤器连接，所述过滤器通过管路和板式蒸发器连接，所述板式蒸发器通过管路和气液分离器连接，所述气液分离器通过管路和压缩机连接，所述压缩机通过管路和套管冷凝器连接；所述输水管道的一端和前置热交换器连接，该输水管道的另一端和胶管的另一端连接，所述出水管道的一端和前置热交换器连接，该出水管道的另一端和套管冷凝器连接，所述二号电磁阀安装在出水管道上，所述回水管道的一端和套管冷凝器连接，所述三号电磁阀和海水电磁流量计均安装在回水管道上，所述风盘回水管的一端和前置热交换器连接，该风盘回水管的另一端和用户端连接，所述清水泵安装在风盘回水管上，所述排气管的一端连接在风盘回水管上，所述排气阀安装在排气管上，所述冷冻出水管的一端和前置热交换器连接，该冷冻出水管的另一端和板式蒸发器连接，所述七号电磁阀和五号电磁阀均安装在冷冻出水管上，所述冷冻进水管的一端和板式蒸发器连接，该冷冻进水管的另一端和用户端连接，所述四号电磁阀和清水电磁流量计均安装在冷冻进水管上，所述一号旁路的一端连接在风盘回水管上，该一号旁路的另一端连接在冷冻出水管上，所述八号电磁阀安装在一号旁路上，所述二号旁路的一端连接在冷冻出水管上，该二号旁路的另一端连接在冷冻进水管上，所述六号电磁阀安装在二号旁路上。 The technical solution adopted by the utility model to solve the above problems is: the marine frozen water centralized cooling system with auxiliary cold source includes a water intake module, a rubber hose with a steel ring and a cold extraction module, and its structural characteristics are: the water intake module Including seawater pumps, seawater anti-corrosion pipelines, water tank overflow pipes, regulating water tanks, water filters, check valves, water pressure gauges, water tank pumps, delivery pipelines, water volume regulating valves and water tank pump inverters. The upper part of the tank is provided with a water inlet for replenishing water. One end of the seawater anticorrosion pipeline is connected to the seawater pump, the other end of the seawater anticorrosion pipeline is connected to the regulating water tank, and the overflow pipe of the water tank is connected to the regulating water tank. One end of the delivery pipeline is connected to the regulating water tank, and the other end of the delivery pipeline is connected to one end of the rubber hose. The water filter, one-way valve, water pressure gauge, water tank pump and water volume regulating valve are all installed On the road, the frequency converter of the water tank pump is connected to the water tank pump; the cooling capacity extraction module includes a water delivery pipe, a front heat exchanger, an outlet pipe, a No. 2 solenoid valve, a spare air conditioning unit, a return water pipe, and a No. 3 solenoid valve , seawater electromagnetic flowmeter, wind disk return pipe, clean water pump, exhaust pipe, exhaust valve, frozen water outlet pipe, No. 7 solenoid valve, No. 5 solenoid valve, frozen water inlet pipe, No. 4 solenoid valve, clean water electromagnetic flowmeter, No. 1 bypass, No. 8 solenoid valve, No. 2 bypass and No. 6 solenoid valve. The standby air conditioning unit includes a casing condenser, a filter, a plate evaporator, a gas-liquid separator and a compressor. The casing The condenser is connected to the filter through the pipeline, the filter is connected to the plate evaporator through the pipeline, the plate evaporator is connected to the gas-liquid separator through the pipeline, and the gas-liquid separator is connected to the compressor through the pipeline , the compressor is connected to the casing condenser through a pipeline; one end of the water delivery pipeline is connected to the front heat exchanger, the other end of the water delivery pipeline is connected to the other end of the rubber hose, and one end of the water outlet pipeline It is connected with the front heat exchanger, the other end of the water outlet pipe is connected with the sleeve condenser, the No. 2 solenoid valve is installed on the water outlet pipe, one end of the return water pipe is connected with the sleeve condenser, and the third No. electromagnetic valve and seawater electromagnetic flowmeter are installed on the return water pipe, one end of the return pipe of the wind disk is connected to the front heat exchanger, the other end of the return pipe of the air disk is connected to the user end, and the clean water pump is installed On the air pan return pipe, one end of the exhaust pipe is connected to the air pan return pipe, the exhaust valve is installed on the exhaust pipe, and one end of the freezing water outlet pipe is connected to the front heat exchanger. The other end of the frozen water outlet pipe is connected to the plate evaporator, the No. 7 solenoid valve and the No. 5 solenoid valve are installed on the frozen water outlet pipe, one end of the frozen water inlet pipe is connected to the plate evaporator, and the other end of the frozen water inlet pipe is connected to the plate evaporator. One end is connected to the user end, the No. 4 solenoid valve and the clean water electromagnetic flowmeter are installed on the freezing water inlet pipe, one end of the No. 1 bypass is connected to the return pipe of the fan coil, and the other end of the No. 1 bypass is connected to On the frozen water outlet pipe, the No. 8 solenoid valve is installed on the No. 1 bypass, one end of the No. 2 bypass is connected to the frozen water outlet pipe, and the other end of the No. 2 bypass is connected to the frozen water inlet pipe. Describe the installation of No. 6 solenoid valve On the No. 2 bypass.
作为优选，本实用新型所述海洋冷冻水集中供冷***还包括珍贵海产品养殖场和回水引出管路，所述回水管道的另一端和珍贵海产品养殖场连接，所述回水引出管路和珍贵海产品养殖场连接。 As a preference, the marine frozen water centralized cooling system of the present invention also includes a precious seafood farm and a return water lead-out pipeline, the other end of the return water pipeline is connected to the precious seafood farm, and the return water lead The pipeline is connected to the precious seafood farm.
作为优选，本实用新型所述海洋冷冻水集中供冷***还包括水箱和补水管，所述补水管的一端和水箱连接，该补水管的另一端和风盘回水管连接。 As a preference, the marine chilled water centralized cooling system of the present invention further includes a water tank and a water supply pipe, one end of the water supply pipe is connected to the water tank, and the other end of the water supply pipe is connected to the return pipe of the wind pan.
作为优选，本实用新型所述冷量提取模块还包括一号水流开关和二号水流开关，所述一号水流开关安装在回水管道上，所述二号水流开关安装在冷冻进水管上。 Preferably, the cooling capacity extraction module of the present invention further includes a No. 1 water flow switch and a No. 2 water flow switch, the No. 1 water flow switch is installed on the return water pipe, and the No. 2 water flow switch is installed on the frozen water inlet pipe.
作为优选，本实用新型所述冷量提取模块中，所述冷冻出水管的一端、七号电磁阀、一号旁路的另一端、二号旁路的一端、五号电磁阀和冷冻出水管的另一端沿冷冻出水管依次排列，所述冷冻进水管的一端、四号电磁阀、二号旁路的另一端和清水电磁流量计沿冷冻进水管依次排列。 As a preference, in the cold extraction module of the utility model, one end of the frozen water outlet pipe, the No. 7 solenoid valve, the other end of the No. 1 bypass, one end of the No. 2 bypass, the No. 5 solenoid valve and the frozen water outlet pipe The other end of the frozen water outlet pipe is arranged in sequence along the frozen water outlet pipe, and one end of the frozen water inlet pipe, the No. 4 solenoid valve, the other end of the No. 2 bypass and the clean water electromagnetic flowmeter are arranged in sequence along the frozen water inlet pipe.
作为优选，本实用新型所述出水管道上设置有用于测量前置换热器海水出温的一号测温点，所述输水管道上设置有用于测量前置换热器海水进温的二号测温点，所述冷冻出水管上设置有用于测量前置换热器清水出温的三号测温点，所述风盘回水管上设置有用于测量前置换热器清水进温的四号测温点，所述冷冻进水管上设置有用于测量板式蒸发器清水出温的五号测温点，所述冷冻出水管上设置有用于测量板式蒸发器清水进温的六号测温点，所述回水管道上设置有用于测量套管冷凝器海水出温的七号测温点，所述出水管道上设置有用于测量套管冷凝器海水进温的八号测温点，所述冷冻进水管上设置有用于测量压缩机启停温度的九号测温点。 As a preference, the outlet pipe of the utility model is provided with a No. 1 temperature measuring point for measuring the seawater temperature of the pre-heat exchanger, and the water delivery pipe is provided with two points for measuring the seawater inlet temperature of the pre-heat exchanger. The No. 3 temperature measuring point is set on the frozen outlet pipe for measuring the temperature of the clean water outlet of the pre-heat exchanger, and the return pipe of the air pan is provided with a point for measuring the temperature of the clean water entering the pre-heat exchanger. No. 4 temperature measurement point, No. 5 temperature measurement point for measuring the temperature of the plate evaporator water outlet is set on the frozen water inlet pipe, and No. 6 temperature measurement point is set on the frozen water outlet pipe for measuring the temperature of the plate evaporator water inlet point, the return water pipeline is provided with No. 7 temperature measurement point for measuring the temperature of the seawater outlet of the casing condenser, and the No. 8 temperature measurement point for measuring the seawater inlet temperature of the casing condenser is arranged on the outlet pipe. The No. 9 temperature measuring point for measuring the start-stop temperature of the compressor is set on the frozen water inlet pipe.
作为优选，本实用新型所述压缩机的排气铜管和回气铜管上均安装有高压保护开关、低压保护开关、压力表监控仪器和针阀维护接口。 As a preference, a high pressure protection switch, a low pressure protection switch, a pressure gauge monitoring instrument and a needle valve maintenance interface are all installed on the exhaust copper pipe and the air return copper pipe of the compressor described in the utility model.
作为优选，本实用新型所述冷量提取模块还包括排水管，所述排水管的一端连接在出水管道上。 Preferably, the cold extraction module of the present invention further includes a drain pipe, and one end of the drain pipe is connected to the water outlet pipe.
作为优选，本实用新型所述备用空调机组还包括节流器，所述节流器安装在过滤器和板式蒸发器之间的管路上。 As a preference, the backup air conditioner unit of the utility model further includes a restrictor, and the restrictor is installed on the pipeline between the filter and the plate evaporator.
作为优选，本实用新型所述套管冷凝器为同轴套管冷凝器。 As a preference, the casing condenser of the present invention is a coaxial casing condenser.
一种使用所述的带辅助冷源的海洋冷冻水集中供冷***的集中供冷方法，其特点在于：所述集中供冷方法的步骤为：六号电磁阀开启，四号电磁阀、五号电磁阀和八号电磁阀关闭，海水泵通过海水防腐管道将低温海水输送到调节水罐，通过水箱泵定向输送到冷量提取模块，水量调节阀串接在输送管路中，通过水量调节阀设定海水流量为3.2m3/h；低温海水通过带钢圈的胶管进入前置热交换器，与用户端中12～16℃的清水回水进行逆流热交换后，海水温度提高到12℃并流出前置热交换器，再进入套管冷凝器参与备用空调机组的热量交换，海水吸收了套管冷凝器内的热量后温度得到提升，此时海水的温度在12～16℃；用户端产生的冷冻清水温度在12～16℃，并经过风盘回水管进入冷量提取模块，12～16℃的盘管清水回水进入前置换热器与低温海水进行热交换，变为7～12℃的清水并流出前置换热器，当从前置换热器流出的清水的温度超过12℃时，备用空调机组启动，六号电磁阀关闭，四号电磁阀、五号电磁阀和八号电磁阀开启，此时清水流向为旁通过前置热交换器，并进入板式蒸发器，备用空调机组启动电制冷，直到在进入到用户端前的清水温度下降到7℃时，备用空调机组停机，六号电磁阀开启，四号电磁阀、五号电磁阀和八号电磁阀关闭，如此循环。 A centralized cooling method using the marine frozen water centralized cooling system with an auxiliary cooling source, characterized in that: the steps of the centralized cooling method are as follows: No. 6 solenoid valve is opened, No. 4 solenoid valve, No. 5 solenoid valve Solenoid valve No. 8 and No. 8 solenoid valve are closed, and the seawater pump transports low-temperature seawater to the regulating water tank through the seawater anti-corrosion pipeline, and then transports it to the cooling capacity extraction module through the water tank pump. The seawater flow rate of the valve is set at 3.2m 3 /h; the low-temperature seawater enters the front heat exchanger through the rubber hose with a steel ring, and after countercurrent heat exchange with the return water of 12-16℃ in the user end, the seawater temperature increases to 12 ℃ and flows out of the pre-heat exchanger, and then enters the sleeve condenser to participate in the heat exchange of the standby air conditioning unit. After the seawater absorbs the heat in the sleeve condenser, the temperature is raised. The temperature of the chilled water generated at the end is 12-16°C, and enters the cooling capacity extraction module through the return pipe of the fan coil, and the return water of the coil at 12-16°C enters the pre-heat exchanger for heat exchange with low-temperature seawater, and becomes 7 Clean water at ~12°C flows out of the pre-heat exchanger. When the temperature of the clean water flowing out of the pre-heat exchanger exceeds 12°C, the standby air conditioner unit starts, the No. 6 solenoid valve closes, No. 4 solenoid valve, and No. 5 solenoid valve And the No. 8 solenoid valve is opened, at this time, the clean water flows through the front heat exchanger and enters the plate evaporator, and the standby air conditioner unit starts electric refrigeration until the temperature of the clean water before entering the user end drops to 7°C, the standby When the air conditioning unit stops, No. 6 solenoid valve opens, No. 4 solenoid valve, No. 5 solenoid valve and No. 8 solenoid valve close, and so on.
本实用新型与现有技术相比，具有以下优点和效果：结构简单，设计合理，运行稳定，性能可靠，使用灵活，有利于节能减排。夏季可以在选定黄海冷水团取水点抽取自然冷源的低温海水，经海水泵与海水管道输送至海水前置热交换器，置换出冷量给载冷介质（清水），直接提供给建筑物用于空调。由于是自然免费的冷源，能效极高，仅耗费海水和海水泵的功率。备用空调机组在正常负荷工况条件下处于备用状态，并不运行，只有当建筑物中的热负荷有极端变化时，自然冷源不能满足到情况下才启动，并投入运行，此时，进入海水前置热交换器的低温海水置换出冷量给载冷介质（清水）后，载冷介质再进入备用空调机组的套管冷凝器后排出。经前置热交换器置换出的载冷介质（清水），先经过备用空调机组的板式蒸发器，再进入建筑物用于制冷，以满足客户空调的需要。 Compared with the prior art, the utility model has the following advantages and effects: simple structure, reasonable design, stable operation, reliable performance, flexible use, and is beneficial to energy saving and emission reduction. In summer, low-temperature seawater from a natural cooling source can be drawn from selected water intake points of the Yellow Sea cold water mass, and transported to the seawater pre-heat exchanger through seawater pumps and seawater pipelines, where the cold energy is replaced by the cooling medium (clear water) and directly supplied to buildings For air conditioning. Because it is a natural and free cold source, the energy efficiency is extremely high, and it only consumes the power of seawater and seawater pumps. The standby air conditioner is in the standby state under normal load conditions and does not run. Only when the heat load in the building has extreme changes and the natural cooling source cannot meet the conditions can it be started and put into operation. At this time, enter After the low-temperature seawater of the seawater pre-heat exchanger replaces the cooling capacity to the cooling medium (clean water), the cooling medium enters the casing condenser of the standby air conditioning unit and is discharged. The cold-carrying medium (clean water) displaced by the pre-heat exchanger first passes through the plate evaporator of the standby air-conditioning unit, and then enters the building for refrigeration to meet the needs of customers for air-conditioning.
本实用新型通过从海里提取低温海水，直接置换出清水冷冻水，来满足用户制冷使用的要求。同时安置了备用空调***，在热负荷出现变化时备用空调***参与运行。正常海水工况下运行时，备用机组无需启动，能效较常规空调***和海水源热泵***节能50%-60%，热交换效率高于75%。 The utility model directly replaces the clear water and frozen water by extracting low-temperature seawater from the sea, so as to meet the user's requirement for refrigeration. At the same time, a backup air-conditioning system is installed, and the backup air-conditioning system will participate in the operation when the heat load changes. When operating under normal seawater conditions, the standby unit does not need to be started, the energy efficiency is 50%-60% more energy-saving than conventional air-conditioning systems and seawater source heat pump systems, and the heat exchange efficiency is higher than 75%.
附图说明 Description of drawings
图1是本实用新型实施例中带辅助冷源的海洋冷冻水集中供冷***的结构示意图。 Fig. 1 is a structural schematic diagram of a marine frozen water centralized cooling system with an auxiliary cold source in an embodiment of the utility model.
图2是本实用新型实施例中取水模块放大后的结构示意图。 Fig. 2 is an enlarged schematic structural view of the water intake module in the embodiment of the present invention.
图3是本实用新型实施例中冷量提取模块放大后的结构示意图。 Fig. 3 is an enlarged structural schematic diagram of the cooling capacity extraction module in the embodiment of the present invention.
具体实施方式 detailed description
下面结合附图并通过实施例对本实用新型作进一步的详细说明，以下实施例是对本实用新型的解释而本实用新型并不局限于以下实施例。 The utility model will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are explanations of the utility model and the utility model is not limited to the following examples.
实施例。 Example.
参见图1至图3，本实施例中带辅助冷源的海洋冷冻水集中供冷***包括取水模块Ⅰ、带钢圈的胶管12、冷量提取模块Ⅱ、珍贵海产品养殖场24、回水引出管路29、水箱25和补水管41。 Referring to Figures 1 to 3, the marine frozen water centralized cooling system with auxiliary cooling source in this embodiment includes water intake module I, rubber hose 12 with steel ring, cold extraction module II, precious seafood farm 24, return water Outgoing pipeline 29, water tank 25 and replenishing water pipe 41.
本实施例中的取水模块Ⅰ包括海水泵1、海水防腐管道2、水罐溢流管3、调节水罐4、水过滤器5、单向阀6、水压力表7、水箱泵9、输送管路10、水量调节阀11和水箱泵变频器30，调节水罐4的上部设置有用于补水的引水口8，海水防腐管道2的一端和海水泵1连接，该海水防腐管道2的另一端和调节水罐4的顶部连接，水罐溢流管3的一端和调节水罐4的顶部连接，输送管路10的一端和调节水罐4连接，该输送管路10的另一端和胶管12的一端连接，水过滤器5、单向阀6、水压力表7、水箱泵9和水量调节阀11均安装在输送管路10上，输送管路10的一端、水过滤器5、单向阀6、水压力表7、水箱泵9、水量调节阀11和输送管路10的另一端沿输送管路10依次排列，水箱泵变频器30和水箱泵9连接，水箱泵变频器30对水箱泵9进行变频以控制水量大小。 The water intake module I in this embodiment includes a seawater pump 1, a seawater anti-corrosion pipeline 2, a water tank overflow pipe 3, a regulating water tank 4, a water filter 5, a one-way valve 6, a water pressure gauge 7, a water tank pump 9, a delivery Pipeline 10, water volume regulating valve 11 and water tank pump frequency converter 30, the upper part of the regulating water tank 4 is provided with a water diversion port 8 for replenishing water, one end of the seawater anticorrosion pipeline 2 is connected to the seawater pump 1, and the other end of the seawater anticorrosion pipeline 2 It is connected to the top of the regulating water tank 4, one end of the overflow pipe 3 of the water tank is connected to the top of the regulating water tank 4, one end of the delivery pipeline 10 is connected to the regulating water tank 4, and the other end of the delivery pipeline 10 is connected to the rubber hose 12 One end of the water filter 5, one-way valve 6, water pressure gauge 7, water tank pump 9 and water volume regulating valve 11 are all installed on the delivery pipeline 10, one end of the delivery pipeline 10, the water filter 5, one-way Valve 6, water pressure gauge 7, water tank pump 9, water volume regulating valve 11 and the other end of the delivery pipeline 10 are arranged in sequence along the delivery pipeline 10, the water tank pump frequency converter 30 is connected to the water tank pump 9, and the water tank pump frequency converter 30 is connected to the water tank Pump 9 carries out frequency conversion to control the water volume.
本实施例中的冷量提取模块Ⅱ包括输水管道88、前置热交换器13、出水管道86、二号电磁阀92、备用空调机组、回水管道87、三号电磁阀93、海水电磁流量计23、一号水流开关89、风盘回水管81、清水泵15、排气管16、排气阀99、冷冻出水管82、七号电磁阀97、五号电磁阀95、冷冻进水管83、二号水流开关26、四号电磁阀94、清水电磁流量计14、一号旁路84、八号电磁阀98、二号旁路85、六号电磁阀96和排水管31，其中，套管冷凝器19为同轴套管冷凝器。 The cooling capacity extraction module II in this embodiment includes a water delivery pipeline 88, a front heat exchanger 13, an outlet pipeline 86, a No. Flow meter 23, No. 1 water flow switch 89, fan plate return pipe 81, fresh water pump 15, exhaust pipe 16, exhaust valve 99, chilled water outlet pipe 82, No. 7 solenoid valve 97, No. 5 solenoid valve 95, and frozen water inlet pipe 83. No. 2 water flow switch 26, No. 4 solenoid valve 94, clean water electromagnetic flowmeter 14, No. 1 bypass 84, No. 8 solenoid valve 98, No. 2 bypass 85, No. 6 solenoid valve 96 and drain pipe 31, wherein, The sleeve condenser 19 is a coaxial sleeve condenser.
本实施例中的备用空调机组包括套管冷凝器19、过滤器21、板式蒸发器17、气液分离器20、压缩机18和节流器22，套管冷凝器19通过管路和过滤器21连接，过滤器21通过管路和板式蒸发器17连接，板式蒸发器17通过管路和气液分离器20连接，气液分离器20通过管路和压缩机18连接，压缩机18通过管路和套管冷凝器19连接，节流器22安装在过滤器21和板式蒸发器17之间的管路上。压缩机18的排气铜管和回气铜管上通常均安装有高压保护开关、低压保护开关、压力表监控仪器和针阀维护接口。压缩机18由电能输入，来驱动备用空调机组氟利昂管路***中换热介质的相变。备用空调机组的组成可以采用国标规定中的机组类型。 The standby air conditioner unit in this embodiment includes a sleeve condenser 19, a filter 21, a plate evaporator 17, a gas-liquid separator 20, a compressor 18 and a throttle 22, and the sleeve condenser 19 passes through a pipeline and a filter 21, the filter 21 is connected to the plate evaporator 17 through the pipeline, the plate evaporator 17 is connected to the gas-liquid separator 20 through the pipeline, the gas-liquid separator 20 is connected to the compressor 18 through the pipeline, and the compressor 18 is connected through the pipeline It is connected with the sleeve condenser 19, and the throttling device 22 is installed on the pipeline between the filter 21 and the plate evaporator 17. A high pressure protection switch, a low pressure protection switch, a pressure gauge monitoring instrument and a needle valve maintenance interface are usually installed on the exhaust copper pipe and return air copper pipe of the compressor 18 . The compressor 18 is input by electric energy to drive the phase change of the heat exchange medium in the freon piping system of the standby air conditioner unit. The composition of the standby air-conditioning unit can adopt the unit type specified in the national standard.
本实施例中的输水管道88的一端和前置热交换器13连接，该输水管道88的另一端和胶管12的另一端连接，出水管道86的一端和前置热交换器13连接，该出水管道86的另一端和套管冷凝器19连接，二号电磁阀92安装在出水管道86上，回水管道87的一端和套管冷凝器19连接，三号电磁阀93和海水电磁流量计23均安装在回水管道87上。 One end of the water delivery pipeline 88 in the present embodiment is connected with the front heat exchanger 13, the other end of the water delivery pipeline 88 is connected with the other end of the rubber hose 12, and one end of the water outlet pipeline 86 is connected with the front heat exchanger 13, The other end of the outlet pipe 86 is connected to the casing condenser 19, the second solenoid valve 92 is installed on the outlet pipe 86, one end of the return pipe 87 is connected to the casing condenser 19, and the third solenoid valve 93 is connected to the seawater electromagnetic flow rate. Meter 23 is all installed on the return water pipeline 87.
本实施例中的风盘回水管81的一端和前置热交换器13连接，该风盘回水管81的另一端和用户端28连接，清水泵15安装在风盘回水管81上，排气管16的一端连接在风盘回水管81上，排气阀99安装在排气管16上，冷冻出水管82的一端和前置热交换器13连接，该冷冻出水管82的另一端和板式蒸发器17连接，七号电磁阀97和五号电磁阀95均安装在冷冻出水管82上。 One end of the wind disk return pipe 81 in this embodiment is connected to the front heat exchanger 13, the other end of the wind disk return pipe 81 is connected to the user end 28, and the clean water pump 15 is installed on the air disk return pipe 81 to exhaust the air. One end of the pipe 16 is connected to the return pipe 81 of the air pan, the exhaust valve 99 is installed on the exhaust pipe 16, one end of the freezing water outlet pipe 82 is connected to the front heat exchanger 13, the other end of the freezing water outlet pipe 82 is connected to the plate type The evaporator 17 is connected, and No. 7 solenoid valve 97 and No. 5 solenoid valve 95 are all installed on the freezing water outlet pipe 82 .
本实施例中的冷冻进水管83的一端和板式蒸发器17连接，该冷冻进水管83的另一端和用户端28连接，四号电磁阀94和清水电磁流量计14均安装在冷冻进水管83上，一号旁路84的一端连接在风盘回水管81上，该一号旁路84的另一端连接在冷冻出水管82上，八号电磁阀98安装在一号旁路84上，二号旁路85的一端连接在冷冻出水管82上，该二号旁路85的另一端连接在冷冻进水管83上，六号电磁阀96安装在二号旁路85上。 One end of the frozen water inlet pipe 83 in this embodiment is connected to the plate evaporator 17, the other end of the frozen water inlet pipe 83 is connected to the user end 28, and the No. 4 solenoid valve 94 and the clean water electromagnetic flowmeter 14 are installed on the frozen water inlet pipe 83. Above, one end of the No. 1 bypass 84 is connected to the air tray return pipe 81, the other end of the No. 1 bypass 84 is connected to the freezing water outlet pipe 82, and the No. 8 solenoid valve 98 is installed on the No. 1 bypass 84. One end of the No. bypass 85 is connected to the freezing water outlet pipe 82 , the other end of the No. 2 bypass 85 is connected to the freezing water inlet pipe 83 , and No. 6 solenoid valve 96 is installed on the No. 2 bypass 85 .
本实施例中的一号水流开关89安装在回水管道87上，二号水流开关26安装在冷冻进水管83上，排水管31的一端连接在出水管道86上。 In this embodiment, the No. 1 water flow switch 89 is installed on the return water pipe 87 , the No. 2 water flow switch 26 is installed on the frozen water inlet pipe 83 , and one end of the drain pipe 31 is connected to the water outlet pipe 86 .
本实施例中冷冻出水管82的一端、七号电磁阀97、一号旁路84的另一端、二号旁路85的一端、五号电磁阀95和冷冻出水管82的另一端沿冷冻出水管82依次排列，冷冻进水管83的一端、四号电磁阀94、二号旁路85的另一端和清水电磁流量计14沿冷冻进水管83依次排列。 In this embodiment, one end of the freezing water outlet pipe 82, the No. 7 solenoid valve 97, the other end of the No. 1 bypass 84, one end of the No. 2 bypass 85, the No. 5 solenoid valve 95, and the other end of the freezing water outlet pipe 82 are along the frozen outlet. The water pipes 82 are arranged in sequence, and one end of the freezing water inlet pipe 83, the other end of the No. 4 solenoid valve 94, the No. 2 bypass 85 and the clean water electromagnetic flowmeter 14 are arranged in sequence along the freezing water inlet pipe 83.
本实施例中回水管道87的另一端和珍贵海产品养殖场24连接，回水引出管路29和珍贵海产品养殖场24连接。补水管41的一端和水箱25连接，该补水管41的另一端和风盘回水管81连接。 In this embodiment, the other end of the return water pipeline 87 is connected with the precious seafood farm 24, and the return water lead-out pipeline 29 is connected with the precious seafood farm 24. One end of the water replenishment pipe 41 is connected to the water tank 25 , and the other end of the water replenishment pipe 41 is connected to the wind disk return pipe 81 .
本实施例中的出水管道86上设置有用于测量前置换热器海水出温的一号测温点T1，输水管道88上设置有用于测量前置换热器海水进温的二号测温点T2，冷冻出水管82上设置有用于测量前置换热器清水出温的三号测温点T3，风盘回水管81上设置有用于测量前置换热器清水进温的四号测温点T4，冷冻进水管83上设置有用于测量板式蒸发器清水出温的五号测温点T5，冷冻出水管82上设置有用于测量板式蒸发器清水进温的六号测温点T6，回水管道87上设置有用于测量套管冷凝器海水出温的七号测温点T7，出水管道86上设置有用于测量套管冷凝器海水进温的八号测温点T8，冷冻进水管83上设置有用于测量压缩机启停温度的九号测温点T9。 In this embodiment, the outlet pipe 86 is provided with a No. 1 temperature measuring point T1 for measuring the temperature of the seawater outlet of the front heat exchanger, and the water delivery pipe 88 is provided with a No. 2 measuring point T1 for measuring the seawater inlet temperature of the front heat exchanger. Temperature point T2, No. 3 temperature measuring point T3 is set on the freezing outlet pipe 82 for measuring the water outlet temperature of the pre-heat exchanger, and No. 4 temperature measuring point for measuring the water inlet temperature of the pre-heat exchanger is set on the fan plate return pipe 81 Temperature measuring point T4, No. 5 temperature measuring point T5 is set on the freezing water inlet pipe 83 for measuring the temperature of the clear water outlet of the plate evaporator, and No. 6 temperature measuring point T6 is set on the freezing outlet pipe 82 for measuring the temperature of the clear water entering the plate evaporator , No. 7 temperature measuring point T7 for measuring the seawater outlet temperature of the casing condenser is set on the return water pipe 87, No. 8 temperature measuring point T8 for measuring the seawater inlet temperature of the casing condenser is set on the outlet pipe 86, and the freezing inlet The water pipe 83 is provided with a No. 9 temperature measurement point T9 for measuring the start-stop temperature of the compressor.
本实施例中使用带辅助冷源的海洋冷冻水集中供冷***的集中供冷方法的步骤如下。 In this embodiment, the steps of the centralized cooling method using the marine frozen water centralized cooling system with an auxiliary cooling source are as follows.
六号电磁阀96开启，四号电磁阀94、五号电磁阀95和八号电磁阀98关闭，海水泵1通过海水防腐管道2将低温海水输送到调节水罐4，低温海水的温度可以低至6℃，如在夏季4～10月，黄海特定区域30米左右深度就存在6～14℃的低温冷水团，海水防腐管道2具有防止海水腐蚀的功能，调节水罐4的顶端设置有用于限定***内部水位和稳定水压作用的水罐溢流管3，调节水罐4的上部设置有具有补水作用的引水口8，通过水箱泵9在海水管路***中将低温海水定向输送到冷量提取模块Ⅱ。输送管路10采用不锈钢管，水量调节阀11串接在输送管路10中，有维护检修***的作用，通过水量调节阀11设定***的海水流量为3.2m3/h，水箱泵9可以由水箱泵变频器30进行变频控制水量，取水模块Ⅰ通过带钢圈的胶管12与冷量提取模块Ⅱ对接。 No. 6 solenoid valve 96 is opened, No. 4 solenoid valve 94, No. 5 solenoid valve 95 and No. 8 solenoid valve 98 are closed. Seawater pump 1 transports low-temperature seawater to regulating water tank 4 through seawater anticorrosion pipeline 2. The temperature of low-temperature seawater can be lowered. to 6°C. For example, in summer from April to October, there is a low-temperature cold water mass of 6-14°C at a depth of about 30 meters in a specific area of the Yellow Sea. The seawater anti-corrosion pipeline 2 has the function of preventing seawater corrosion. The water tank overflow pipe 3 that limits the internal water level of the system and stabilizes the water pressure. The upper part of the regulating water tank 4 is provided with a water diversion port 8 that has the function of replenishing water. Quantity Extraction Module II. The conveying pipeline 10 is made of stainless steel pipe, and the water regulating valve 11 is connected in series in the conveying pipeline 10, which has the function of maintaining and overhauling the system. The seawater flow rate of the system is set to 3.2m 3 /h through the water regulating valve 11, and the water tank pump 9 can The water volume is controlled by frequency conversion by the water tank pump frequency converter 30, and the water intake module I is connected to the cooling capacity extraction module II through the rubber hose 12 with a steel ring.
低温海水的温度低至6℃，低温海水通过带钢圈的胶管12进入前置热交换器13，与用户端28的热负荷端的空调中产生的12～16℃的清水回水进行逆流热交换后，海水温度提高到12℃流出前置热交换器13，再进入套管冷凝器19参与备用空调机组的热量交换，在套管冷凝器19出口端安装有一号水流开关89、电磁流量计23以及三号电磁阀93，起到监测流量和保护机组安全运行的作用。海水吸收了套管冷凝器19内高温高压气态制冷剂R22的热量后温度得到提升，此时海水的温度大概在12～16℃的范围，是很好的珍贵海产品养殖的海水温度，将这些12～16℃的海水通过回水管道87输送到珍贵海产品养殖场24用于水产养殖，经过利用后再通过回水引出管路29排回大海。 The temperature of the low-temperature seawater is as low as 6°C. The low-temperature seawater enters the pre-heat exchanger 13 through the rubber hose 12 with a steel ring, and performs countercurrent heat exchange with the 12-16°C clean water returned by the air conditioner at the heat load end of the user end 28 Finally, the seawater temperature increases to 12°C and flows out of the front heat exchanger 13, and then enters the sleeve condenser 19 to participate in the heat exchange of the standby air conditioning unit. A water flow switch 89 and an electromagnetic flowmeter 23 are installed at the outlet of the sleeve condenser 19 And the No. 3 solenoid valve 93 plays the role of monitoring the flow rate and protecting the safe operation of the unit. The temperature of the seawater is raised after absorbing the heat of the high-temperature and high-pressure gaseous refrigerant R22 in the sleeve condenser 19. At this time, the temperature of the seawater is in the range of 12-16°C, which is a very good seawater temperature for the cultivation of precious seafood. The seawater at 12-16° C. is transported to the precious seafood farm 24 through the return water pipeline 87 for aquaculture, and is discharged back to the sea through the return water lead-out pipeline 29 after utilization.
清水冷冻水路中，从风机盘管的用户端28吸收了热负荷温升后的冷冻清水温度在12～16℃，这些12～16℃的清水经过风盘回水管81进入冷量提取模块Ⅱ，在冷量提取模块Ⅱ的清水回水段安装有排气管16和排气阀99，用于首次运行时排除水***中的空气，水箱25通过管道截止阀灌水点将清水灌入清水管路***，12～16℃的盘管清水回水进入前置换热器13与低温海水进行热交换，12～16℃的清水变为7～12℃的清水并流出前置换热器13，设定交换后末端温差可以达到1℃，即进入6℃的海水可以置换出7℃的清水为最理想值，清水可根据温度控制逻辑要求自动识别是否流进前置换热器13和板式蒸发器17，用于测量压缩机启停温度的九号测温点T9为备用空调机组压缩机启停温度控制点，备用空调机组压缩机的启停温度可以由用户自行设定，可设定为当温度超过12℃时备用空调机组启动，六号电磁阀96关闭，四号电磁阀94和五号电磁阀95开启，八号电磁阀98开启，此时清水管路流向为旁通过前置热交换器13，即对前置热交换器13进行旁路，直接进入板式蒸发器17，备用空调机组启动电制冷，直到在进入到用户端28前的清水温度下降到7℃时，备用空调机组停机，六号电磁阀96开启，四号电磁阀94和五号电磁阀95关闭，八号电磁阀98关闭，如此循环，当低温海水温度始终能置换出能满足使用温度要求的冷清水时，如用于测量压缩机启停温度的九号测温点T9处的温度在12℃以下，备用空调机组可以始终不用开机，当然，根据需要亦可以将温度上调在16℃以下的数值范围内均可。清水电磁流量计14用于测量与监控清水管路的水流量。 In the clean water chilling water circuit, the temperature of the chilled clean water after absorbing the heat load temperature rise from the user end 28 of the fan coil unit is 12-16°C, and the clean water of 12-16°C enters the cooling capacity extraction module II through the fan coil return pipe 81, An exhaust pipe 16 and an exhaust valve 99 are installed in the clean water return section of the cooling extraction module II to remove the air in the water system during the first operation, and the water tank 25 pours clean water into the clean water pipeline through the water filling point of the pipeline shut-off valve System, 12-16°C coil clean water backwater enters the pre-heat exchanger 13 for heat exchange with low-temperature seawater, and 12-16°C clean water turns into 7-12°C clean water and flows out of the pre-heat exchanger 13. After constant exchange, the temperature difference at the end can reach 1°C, that is, the seawater entering 6°C can replace the clean water at 7°C, which is the ideal value. The clean water can automatically identify whether it flows into the pre-heat exchanger 13 and the plate evaporator according to the temperature control logic requirements. 17. The No. 9 temperature measurement point T9 used to measure the start-stop temperature of the compressor is the start-stop temperature control point of the backup air-conditioning unit compressor. The start-stop temperature of the backup air-conditioner unit compressor can be set by the user. When the temperature exceeds 12°C, the standby air conditioner starts, the No. 6 solenoid valve 96 is closed, the No. 4 solenoid valve 94 and No. 5 solenoid valve 95 are turned on, and the No. 8 solenoid valve 98 is turned on. At this time, the flow direction of the clean water pipeline is bypassed through the front heat exchange evaporator 13, that is, the pre-heat exchanger 13 is bypassed and directly enters the plate evaporator 17, and the standby air conditioner unit starts electric refrigeration until the temperature of the clean water before entering the user end 28 drops to 7°C, and the standby air conditioner unit shuts down , No. 6 solenoid valve 96 is opened, No. 4 solenoid valve 94 and No. 5 solenoid valve 95 are closed, No. 8 solenoid valve 98 is closed, and so on. The temperature at No. 9 temperature measuring point T9, which is used to measure the start-stop temperature of the compressor, is below 12°C. The standby air conditioner unit can never be turned on. Of course, the temperature can also be adjusted up to a value range below 16°C according to needs. . The clean water electromagnetic flowmeter 14 is used for measuring and monitoring the water flow of the clean water pipeline.
本实施例中使用带辅助冷源的海洋冷冻水集中供冷***的集中供冷方法的主控制逻辑按下面条件进行。 In this embodiment, the main control logic of the central cooling method using the ocean chilled water central cooling system with an auxiliary cooling source is carried out according to the following conditions.
(1)、制冷时在用户端28的额定负荷下，直接采用海底6℃的低温海水置换出7℃～12℃的低温清水泵入用户端28进行制冷的运行方式。此时，二号电磁阀92、三号电磁阀93、六号电磁阀96和七号电磁阀97开启；四号电磁阀94、五号电磁阀95和八号电磁阀98关闭；海水泵1和清水泵15开启。 (1) When cooling, under the rated load of the user end 28, the low temperature seawater of 6°C on the seabed is directly used to replace the low temperature clean water of 7°C to 12°C and pumped into the user end 28 for refrigeration. At this moment, No. 2 solenoid valve 92, No. 3 solenoid valve 93, No. 6 solenoid valve 96 and No. 7 solenoid valve 97 are opened; No. 4 solenoid valve 94, No. 5 solenoid valve 95 and No. 8 solenoid valve 98 are closed; seawater pump 1 And clean water pump 15 is opened.
(2)、当检测到置换出的清水冷冻水出水温度高于12℃时，二号电磁阀92、三号电磁阀93、四号电磁阀94、五号电磁阀95、七号电磁阀97和八号电磁阀98开启；六号电磁阀96关闭。海水泵1和清水泵15保持运行。3分钟后，备用空调机组投入运行。 (2) When it is detected that the outlet temperature of the displaced clear water chilled water is higher than 12°C, No. 2 solenoid valve 92, No. 3 solenoid valve 93, No. 4 solenoid valve 94, No. 5 solenoid valve 95, and No. 7 solenoid valve 97 And No. 8 solenoid valve 98 is opened; No. 6 solenoid valve 96 is closed. The sea water pump 1 and the clean water pump 15 keep running. After 3 minutes, the standby air conditioning unit was put into operation.
(3)、当检测到清水冷冻水出水温度在7℃时，备用空调机组停止运行。 (3) When it is detected that the outlet temperature of the chilled water is 7°C, the standby air conditioner unit stops running.
(4)、压缩机18开启时，距离前一次停机的时间间隔最少5分钟。 (4), when the compressor 18 is turned on, the time interval from the previous shutdown is at least 5 minutes.
(5)、当***出现故障时，机组立即转入停机状态，海水泵1和清水泵15停止，此时若备用空调机组处于运行状态，备用空调机组也需同时停止。停机后二号电磁阀92、三号电磁阀93、四号电磁阀94、五号电磁阀95、六号电磁阀96、七号电磁阀97和八号电磁阀98均保持开启。 (5), when the system breaks down, the unit immediately transfers to the shutdown state, and the sea water pump 1 and the clean water pump 15 stop. If the standby air conditioning unit is in the running state, the standby air conditioning unit also needs to stop at the same time. No. two solenoid valve 92, No. three solenoid valve 93, No. four solenoid valve 94, No. five solenoid valve 95, No. six solenoid valve 96, No. seven solenoid valve 97 and No. eight solenoid valve 98 all keep opening after shutdown.
本实施例中带辅助冷源的海洋冷冻水集中供冷***较常规空调***和海水源热泵***节能60%，并能够提供适合珍贵海洋产品养殖的海水温度条件，属于可再生绿色能源的海洋能节能技术。本实施例中带辅助冷源的海洋冷冻水集中供冷***可以有效利用黄海中的冷水团温差现象，为利用黄海冷水团资源实现区域集中供冷产业化提供关键技术支撑。本实施例中带辅助冷源的海洋冷冻水集中供冷***的结构设计合理，运行平稳，能源利用率高，使用灵活，节能减排效果显著。 In this embodiment, the ocean chilled water centralized cooling system with auxiliary cold source is 60% more energy-efficient than conventional air-conditioning systems and seawater source heat pump systems, and can provide seawater temperature conditions suitable for the cultivation of precious marine products. It is a renewable green energy ocean energy energy saving technology. In this embodiment, the marine frozen water centralized cooling system with auxiliary cold source can effectively utilize the temperature difference phenomenon of cold water masses in the Yellow Sea, and provide key technical support for realizing the industrialization of regional centralized cooling by using the resources of cold water masses in the Yellow Sea. In this embodiment, the marine chilled water centralized cooling system with auxiliary cold source has a reasonable structure design, stable operation, high energy utilization rate, flexible use, and remarkable effect of energy saving and emission reduction.
此外，需要说明的是，本说明书中所描述的具体实施例，其零、部件的形状、所取名称等可以不同，本说明书中所描述的以上内容仅仅是对本实用新型结构所作的举例说明。凡依据本实用新型专利构思所述的构造、特征及原理所做的等效变化或者简单变化，均包括于本实用新型专利的保护范围内。本实用新型所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，只要不偏离本实用新型的结构或者超越本权利要求书所定义的范围，均应属于本实用新型的保护范围。 In addition, it should be noted that the specific embodiments described in this specification may be different in parts, shapes and names of parts, and the above content described in this specification is only an illustration of the structure of the present invention. All equivalent changes or simple changes based on the structure, features and principles described in the utility model patent concept are included in the protection scope of the utility model patent. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, as long as they do not deviate from the structure of the utility model or go beyond what is defined in the claims scope, all should belong to the protection scope of the present utility model.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240970A (en) * | 2015-10-14 | 2016-01-13 | 中国海洋大学 | Sea-chilled-water concentrated cold supplying system with auxiliary cold source and concentrated cold supplying method |
| CN109392293A (en) * | 2018-11-27 | 2019-02-26 | 扬州海通电子科技有限公司 | A kind of water-cooled cabinet cooling with seawater |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240970A (en) * | 2015-10-14 | 2016-01-13 | 中国海洋大学 | Sea-chilled-water concentrated cold supplying system with auxiliary cold source and concentrated cold supplying method |
| CN105240970B (en) * | 2015-10-14 | 2018-05-11 | 中国海洋大学 | A kind of ocean chilled water central cooling system and central cooling method with auxiliary cold source |
| CN109392293A (en) * | 2018-11-27 | 2019-02-26 | 扬州海通电子科技有限公司 | A kind of water-cooled cabinet cooling with seawater |
| CN109392293B (en) * | 2018-11-27 | 2024-04-05 | 扬州海通电子科技有限公司 | Water-cooled cabinet cooled by seawater |
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