CN111854229A - A system and control method for recycling waste heat of circulating water - Google Patents
A system and control method for recycling waste heat of circulating water Download PDFInfo
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- CN111854229A CN111854229A CN202010844786.0A CN202010844786A CN111854229A CN 111854229 A CN111854229 A CN 111854229A CN 202010844786 A CN202010844786 A CN 202010844786A CN 111854229 A CN111854229 A CN 111854229A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 325
- 239000002918 waste heat Substances 0.000 title claims abstract description 101
- 238000004064 recycling Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000011084 recovery Methods 0.000 claims abstract description 49
- 239000000498 cooling water Substances 0.000 claims abstract description 38
- 238000009413 insulation Methods 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims description 18
- 238000000605 extraction Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 abstract description 17
- 238000004140 cleaning Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000003860 storage Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 5
- 238000004512 die casting Methods 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 239000000284 extract Substances 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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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
- F24D17/0005—Domestic hot-water supply systems using recuperation of waste heat
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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
- F24D17/0078—Recirculation 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
- F24D17/00—Domestic hot-water supply systems
- F24D17/02—Domestic hot-water supply systems using heat pumps
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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
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
- F24D19/1054—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water the system uses a heat pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/18—Domestic hot-water supply systems using recuperated or waste heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
本发明涉及余热回收的技术领域，特别涉及一种循环水余热回收再利用系统及控制方法，冷水利用单元连接在热泵机组的供热侧，热水利用单元连接在热泵机组的放热侧，热泵机组提热后的冷却水通过冷水循环泵泵送给冷水利用设备，冷水吸收热能变成热水进入循环水余热保温水箱贮存，然后流入热泵机组提热后再次回流至冷水循环泵进行下一次循环；热泵机组提热后的热水经热水循环泵泵送至热水利用设备，用热后冷却，进入循环水冷却水箱，再由热机循环水泵泵送至热泵机组继续提热，循环往复；本发明能够收集轮毂生产线循环冷却水余热，并把该能量应用于轮毂机加工后的清洗工艺以及辅助设施用热等热水利用设备，实现能量回收再利用、降本增效的目的。
The invention relates to the technical field of waste heat recovery, in particular to a system and a control method for recycling waste heat of circulating water. The cold water utilization unit is connected to the heating side of the heat pump unit; The cooling water after being heated by the unit is pumped to the cold water utilization equipment through the cold water circulating pump. The cold water absorbs heat energy into hot water and enters the circulating water waste heat insulation water tank for storage, and then flows into the heat pump unit for heating and then returns to the cold water circulating pump for the next cycle. ; The hot water heated by the heat pump unit is pumped to the hot water utilization equipment by the hot water circulating pump, cooled after being heated, and then enters the circulating water cooling water tank, and then is pumped by the heat engine circulating water pump to the heat pump unit to continue to heat up, and the cycle is reciprocating; The invention can collect the waste heat of the circulating cooling water of the wheel hub production line, and apply the energy to the cleaning process after the wheel hub machining and the hot water utilization equipment such as heat for auxiliary facilities, so as to realize the purpose of energy recovery and reuse, cost reduction and efficiency increase.
Description
技术领域technical field
本发明涉及余热回收的技术领域，特别是涉及一种循环水余热回收再利用系统及控制方法。The invention relates to the technical field of waste heat recovery, in particular to a system and a control method for recycling waste heat of circulating water.
背景技术Background technique
近些年，节能环保大势所趋，节能减排、循环经济已成为众多企业发展的必然选择。在此背景下，余热回收再利用技术逐渐兴起，结合生产工艺和生产特点，通过一系列技术手段将工厂生产过程中产生的余热进行回收再利用，拓宽了能源利用渠道，同时也可以降低企业的能耗成本，从而提高企业的竞争力，促进企业可持续发展。In recent years, the general trend of energy conservation and environmental protection, energy conservation and emission reduction, circular economy has become an inevitable choice for the development of many enterprises. In this context, waste heat recovery and reuse technology is gradually emerging. Combined with the production process and production characteristics, the waste heat generated in the production process of the factory is recycled and reused through a series of technical means, which broadens the energy utilization channels and can also reduce the enterprise's energy consumption. energy costs, thereby improving the competitiveness of enterprises and promoting sustainable development of enterprises.
热处理余热回收技术已经在工业余热回收领域进行了大量应用，本发明针对汽车轮毂制造工艺，设计一套基于工厂设备冷却循环水余热回收再利用系统。Heat treatment waste heat recovery technology has been widely used in the field of industrial waste heat recovery. The present invention designs a waste heat recovery and reuse system based on factory equipment cooling circulating water for the manufacturing process of automobile wheel hubs.
发明内容SUMMARY OF THE INVENTION
为解决上述技术问题，本发明提供一种循环水余热回收再利用系统及控制方法，能够收集轮毂制造过程中设备冷却水产生的大量余热，并把收集的中低品质热能传送到轮毂机加工清洗工艺和辅助设施等热水利用设备，以达到能量再利用、降本增效的目的。。In order to solve the above technical problems, the present invention provides a circulating water waste heat recovery and reuse system and a control method, which can collect a large amount of waste heat generated by equipment cooling water in the wheel hub manufacturing process, and transmit the collected medium and low-quality heat energy to the wheel hub for machining and cleaning. Process and auxiliary facilities and other hot water utilization equipment to achieve the purpose of energy reuse, cost reduction and efficiency increase. .
为实现上述目的，本发明是采用下述技术方案实现的：To achieve the above object, the present invention adopts the following technical solutions to realize:
一种循环水余热回收再利用系统，包括热泵机组、冷水利用单元和热水利用单元，所述冷水利用单元连接在热泵机组的供热侧，所述热水利用单元连接在热泵机组的放热侧，所述冷水利用单元包括冷水循环泵、冷水利用设备、循环水余热保温水箱和热机循环水泵，热泵机组提取热量后的冷却水通过冷水循环泵泵送给冷水利用设备，冷水将冷水利用设备产生的热能吸收，变成热水进入循环水余热保温水箱贮存，然后经热机循环水泵流入热泵机组，热泵机组提取冷却水热量后，冷却水再次回流至冷水循环泵进行下一次循环；所述热水利用单元包括热水循环泵、热水利用设备、循环水冷却水箱和热机循环水泵，热泵机组提热后的热水经热水循环泵泵送至热水利用设备，热水利用设备用热后，热水冷却，进入循环水冷却水箱，再由热机循环水泵泵送至热泵机组继续提热，循环往复。A circulating water waste heat recovery and reuse system includes a heat pump unit, a cold water utilization unit and a hot water utilization unit, the cold water utilization unit is connected to the heating side of the heat pump unit, and the hot water utilization unit is connected to the heat release unit of the heat pump unit. On the other hand, the cold water utilization unit includes a cold water circulation pump, a cold water utilization equipment, a circulating water waste heat insulation water tank and a heat engine circulating water pump. The cooling water after the heat extraction by the heat pump unit is pumped to the cold water utilization equipment through the cold water circulation pump. The generated heat energy is absorbed and turned into hot water and enters the circulating water waste heat insulation water tank for storage, and then flows into the heat pump unit through the heat engine circulating water pump. After the heat pump unit extracts the heat of the cooling water, the cooling water returns to the cold water circulating pump for the next cycle; the heat The water utilization unit includes a hot water circulating pump, a hot water utilization equipment, a circulating water cooling water tank and a heat engine circulating water pump. After that, the hot water is cooled, enters the circulating water cooling water tank, and is then pumped by the heat engine circulating water pump to the heat pump unit to continue to heat up, and the cycle goes back and forth.
一种可能的技术方案中，所述冷水利用设备和热水利用设备分别通过电磁阀控制水流通断。In a possible technical solution, the cold water utilization device and the hot water utilization device respectively control the water flow off and on through a solenoid valve.
一种可能的技术方案中，还包括循环水余热回收控制系统，所述循环水余热回收控制系统能够控制所述热泵机组、冷水利用单元和热水利用单元运行。In a possible technical solution, a circulating water waste heat recovery control system is also included, and the circulating water waste heat recovery control system can control the operation of the heat pump unit, the cold water utilization unit and the hot water utilization unit.
一种可能的技术方案中，所述循环水余热保温水箱和循环水冷却水箱内均设置液位传感器，液位传感器将液位信号实时传送至所述循环水余热回收控制系统，所述循环水余热回收控制系统控制补水泵分别能够向循环水余热保温水箱和循环水冷却水箱补水。In a possible technical solution, a liquid level sensor is installed in the circulating water waste heat insulation water tank and the circulating water cooling water tank, and the liquid level sensor transmits the liquid level signal to the circulating water waste heat recovery control system in real time, and the circulating water The waste heat recovery control system controls the make-up water pump to make up water to the circulating water waste heat insulation water tank and the circulating water cooling water tank, respectively.
一种可能的技术方案中，所述补水泵分别向所述循环水余热保温水箱和所述循环水冷却水箱补水的补水管路通过电磁阀控制。In a possible technical solution, the replenishment pipelines for replenishing water to the circulating water waste heat heat preservation water tank and the circulating water cooling water tank respectively by the replenishment pump are controlled by solenoid valves.
一种可能的技术方案中，所述循环水余热保温水箱内安装有温度传感器。In a possible technical solution, a temperature sensor is installed in the circulating water waste heat heat preservation water tank.
一种循环水余热回收再利用控制方法，是根据上述任一项所述的循环水余热回收再利用系统实现的，循环水余热回收控制系统与工厂的能量综合利用平台通讯，能量综合利用平台接收冷水利用设备和热水利用设备的启停信号，当有设备停止运行时，能量综合利用平台会将对应设备信号发送至循环水余热回收控制系统，循环水余热回收控制系统控制对应的泵和阀关闭，不再提供循环冷水或热水；同时循环水余热回收控制系统实时采集热泵机组的提热参数，将提热参数实时传送至能量综合利用平台，为整个工厂的能量管理提供依据。A circulating water waste heat recovery and reuse control method is realized according to the circulating water waste heat recovery and reuse system described in any one of the above. The circulating water waste heat recovery control system communicates with the energy comprehensive utilization platform of the factory, and the energy comprehensive utilization platform receives Start and stop signals of cold water utilization equipment and hot water utilization equipment. When some equipment stops running, the energy comprehensive utilization platform will send the corresponding equipment signals to the circulating water waste heat recovery control system, and the circulating water waste heat recovery control system controls the corresponding pumps and valves At the same time, the circulating water waste heat recovery control system collects the heating parameters of the heat pump unit in real time, and transmits the heating parameters to the energy comprehensive utilization platform in real time, providing a basis for the energy management of the entire plant.
上述技术方案中，液位传感器将液位信号实时传送至所述循环水余热回收控制系统，所述循环水余热回收控制系统控制补水泵分别能够向循环水余热保温水箱和循环水冷却水箱补水。In the above technical solution, the liquid level sensor transmits the liquid level signal to the circulating water waste heat recovery control system in real time, and the circulating water waste heat recovery control system controls the make-up water pump to replenish water to the circulating water waste heat insulation water tank and the circulating water cooling water tank, respectively.
上述技术方案中，温度传感器实时监测循环水余热保温水箱中的温度，当循环水余热保温水箱中的水温低于20℃时，且持续时间大于30min，循环水余热回收控制系统控制热泵机组停机，待循环水余热保温水箱水温升高时，热泵机组重新开启。In the above technical solution, the temperature sensor monitors the temperature in the circulating water waste heat insulation water tank in real time. When the water temperature in the circulating water waste heat insulation water tank is lower than 20°C, and the duration is longer than 30 minutes, the circulating water waste heat recovery control system controls the heat pump unit to stop. When the water temperature of the circulating water waste heat insulation water tank rises, the heat pump unit is turned on again.
与现有技术相比本发明的有益效果为：冷却水通过冷水循环泵泵送给冷水利用设备，冷水将冷水利用设备产生的热能吸收，变成热水进入循环水余热保温水箱贮存，然后经热机循环水泵流入热泵机组，热泵机组提取冷却水热量后，冷却水再次回流至冷水循环泵进行下一次循环；热泵机组提热后的热水经热水循环泵泵送至热水利用设备，热水利用设备用热后，热水冷却，进入循环水冷却水箱，再由热机循环水泵泵送至热泵机组继续提热，循环往复；能够收集轮毂生产线循环冷却水余热，并把该能量应用于轮毂机加工后的清洗工艺以及辅助设施用热等热水利用设备，实现能量回收再利用、降本增效的目的。Compared with the prior art, the beneficial effects of the present invention are as follows: the cooling water is pumped to the cold water utilization equipment through the cold water circulating pump, and the cold water absorbs the thermal energy generated by the cold water utilization equipment, turns it into hot water and enters the circulating water waste heat insulation water tank for storage, and then passes through the cooling water. The circulating water pump of the heat engine flows into the heat pump unit. After the heat pump unit extracts the heat of the cooling water, the cooling water is returned to the cold water circulating pump for the next cycle; the hot water after the heat pump unit is pumped to the hot water utilization equipment by the hot water circulating pump After the water utilization equipment uses heat, the hot water is cooled and enters the circulating water cooling water tank, and then pumped by the heat engine circulating water pump to the heat pump unit to continue to heat up, and the cycle goes back and forth; it can collect the waste heat of the circulating cooling water of the wheel hub production line, and apply the energy to the wheel hub The cleaning process after machining and the hot water utilization equipment such as heat for auxiliary facilities can achieve the purpose of energy recovery and reuse, cost reduction and efficiency improvement.
附图说明Description of drawings
图1是本发明的循环水余热回收再利用系统的结构示意图；Fig. 1 is the structural representation of the circulating water waste heat recovery and reuse system of the present invention;
图2是本发明的循环水余热回收再利用系统的控制流程图；Fig. 2 is the control flow chart of the circulating water waste heat recovery and reuse system of the present invention;
图3是本发明的循环水余热回收再利用系统的逻辑控制图；Fig. 3 is the logic control diagram of the circulating water waste heat recovery and reuse system of the present invention;
图中：1-电磁阀A、2-空压机、3-压铸机、4-电磁阀D、5-冷水循环泵A、6-冷水循环泵B、7-电磁阀F、8-热泵机组、9-热水循环泵、10-电磁阀J、11-电磁阀I、12-冷却塔、13-机加清洗、14-辅助设施、15-电磁阀H、16-循环水冷却水箱、17-热机循环水泵B、18-电磁阀G、19-补水泵、20-电磁阀E、21-热机循环水泵A、22-循环水余热保温水箱、23-制冷空调、24-液压站、25-电磁阀B、26-电磁阀C。In the picture: 1-solenoid valve A, 2-air compressor, 3-die casting machine, 4-solenoid valve D, 5-cold water circulating pump A, 6-cold water circulating pump B, 7-solenoid valve F, 8-heat pump unit , 9- Hot water circulating pump, 10- Solenoid valve J, 11- Solenoid valve I, 12- Cooling tower, 13- Machine cleaning, 14- Auxiliary facilities, 15- Solenoid valve H, 16- Circulating water cooling water tank, 17 - Heat engine circulating water pump B, 18- Solenoid valve G, 19- Make-up water pump, 20- Solenoid valve E, 21- Heat engine circulating water pump A, 22- Circulating water waste heat insulation water tank, 23- Refrigeration and air conditioning, 24- Hydraulic station, 25- Solenoid valve B, 26 - Solenoid valve C.
具体实施方式Detailed ways
下面结合附图和实施例，对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明，但不用来限制本发明的范围。The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.
如图1所示，本发明实施例的循环水余热回收再利用系统，包括热泵机组8、冷水利用单元和热水利用单元，冷水利用单元连接在热泵机组8的供热侧，热水利用单元连接在热泵机组8的放热侧，冷水利用单元包括冷水循环泵A5、冷水循环泵B6、冷水利用设备、循环水余热保温水箱22和热机循环水泵A21，冷水利用设备包括空压机2、压铸机3、液压站4及制冷空调23，热泵机组8提取热量后的冷却水通过冷水循环泵A5泵送给空压机2、压铸机3和液压站24，冷水循环泵B6将热泵机组8提热之后的冷却水泵送至制冷空调23，冷水通过空压机2、压铸机3、液压站24及制冷空调23后，温度升高，变成热水进入循环水余热保温水箱22贮存，然后经热机循环水泵A21流入热泵机组8进行提热，热泵机组8提取冷却水热量后，冷却水再次回流至冷水循环泵A5和冷水循环泵B6进行下一次循环；热水利用单元包括热水循环泵9、热水利用设备、循环水冷却水箱16和热机循环水泵B17，热水利用设备包括机加清洗设备13和辅助设施14，热泵机组8提热后的热水经热水循环泵9泵送至机加清洗设备13和辅助设施14，热水通过机加清洗设备13和辅助设施14后，热水冷却，进入循环水冷却水箱16，再由热机循环水泵B17泵送至热泵机组8继续提热，温度升高后再由热水循环泵9进入相应的设备，循环往复。As shown in FIG. 1, the circulating water waste heat recovery and reuse system according to the embodiment of the present invention includes a heat pump unit 8, a cold water utilization unit and a hot water utilization unit, the cold water utilization unit is connected to the heating side of the heat pump unit 8, and the hot water utilization unit Connected to the heat release side of the heat pump unit 8, the cold water utilization unit includes a cold water circulation pump A5, a cold water circulation pump B6, cold water utilization equipment, a circulating water waste heat
作为本发明的一种具体实施方式，电磁阀A1、电磁阀B25、电磁阀C26、电磁阀D4分别安装在空压机2、压铸机3、液压站4以及制冷空调23冷却水进水口，电磁阀H15、电磁阀I11、电磁阀J10分别安装在机加清洗设备13和辅助设施14的热水进水口，分别控制相应设备的水流通断。As a specific embodiment of the present invention, the solenoid valve A1, the solenoid valve B25, the solenoid valve C26 and the solenoid valve D4 are respectively installed in the air compressor 2, the die casting machine 3, the hydraulic station 4 and the cooling water inlet of the refrigeration and
在本发明中，应该理解的是，冷水利用设备和热水利用设备还可以是上述实施例中所列举的设备之外的任意冷水利用设备或热水利用设备，冷水利用设备或热水利用设备的种类或数量可根据实际使用具体选择，相应地，冷水循环泵或热水循环泵的数量和连接位置根据冷水利用设备或热水利用设备的种类或数量情况进行具体设置；电磁阀数量和连接位置根据冷水利用设备或热水利用设备的种类或数量情况进行具体设置。In the present invention, it should be understood that the cold water utilization equipment and the hot water utilization equipment can also be any cold water utilization equipment or hot water utilization equipment other than the equipment listed in the above embodiments, cold water utilization equipment or hot water utilization equipment The type or quantity can be selected according to the actual use. Correspondingly, the number and connection position of the cold water circulating pump or the hot water circulating pump shall be specifically set according to the type or quantity of the cold water utilization equipment or the hot water utilization equipment; the number and connection of the solenoid valves The location is specifically set according to the type or quantity of cold water utilization equipment or hot water utilization equipment.
作为本发明的一种具体实施方式，如图2所示，还包括循环水余热回收控制系统，循环水余热回收控制系统控制热泵机组8、冷水利用单元中所有电磁阀、冷水循环泵、循环水余热保温水箱22和热机循环水泵A21，以及热水利用单元中所有电磁阀、热水循环泵9、循环水冷却水箱16和热机循环水泵B17运行。As a specific embodiment of the present invention, as shown in FIG. 2 , it also includes a circulating water waste heat recovery control system. The circulating water waste heat recovery control system controls the heat pump unit 8, all solenoid valves in the cold water utilization unit, the cold water circulating pump, and the circulating water. The waste heat heat
作为本发明的一种具体实施方式，循环水余热保温水箱22和循环水冷却水箱16内均设置液位传感器，循环水余热回收控制系统通过液位传感器分别控制循环水余热保温水箱22和循环水冷却水箱16，液位传感器实时监测水箱液位并将液位信号实时传送至循环水余热回收控制系统，循环水余热回收控制系统控制补水泵19分别能够向循环水余热保温水箱22和循环水冷却水箱16补水。As a specific embodiment of the present invention, a liquid level sensor is provided in the circulating water waste heat
作为本发明的一种具体实施方式，补水泵19分别向循环水余热保温水箱22和循环水冷却水箱16补水的补水管路分别通过电磁阀E20和电磁阀G18控制。As a specific embodiment of the present invention, the water replenishing pipelines for replenishing the circulating water residual heat
作为本发明的一种具体实施方式，循环水余热保温水箱22内安装有温度传感器，温度传感器实时监测水箱中的温度，并将温度信号实时传送至循环水余热回收控制系统。As a specific embodiment of the present invention, a temperature sensor is installed in the circulating water waste heat
本发明的一种循环水余热回收再利用控制方法，如图2所示，循环水余热回收控制系统与工厂的能量综合利用平台通讯，作为整个工厂能量综合利用平台的循环水余热控制分栈，能量综合利用平台接收冷水利用设备和热水利用设备的启停信号，当有设备停止运行时，能量综合利用平台会将对应设备信号发送至循环水余热回收控制系统，循环水余热回收控制系统控制对应的泵和阀关闭，不再提供循环冷水或热水；同时循环水余热回收控制系统实时采集热泵机组的提热参数，将提热量、提热效率等提热参数实时传送至能量综合利用平台，为整个工厂的能量管理提供依据。As shown in Figure 2, a circulating water waste heat recovery control method of the present invention, the circulating water waste heat recovery control system communicates with the energy comprehensive utilization platform of the factory, as the circulating water waste heat control stack of the energy comprehensive utilization platform of the entire factory, The energy comprehensive utilization platform receives the start and stop signals of the cold water utilization equipment and the hot water utilization equipment. When the equipment stops running, the energy comprehensive utilization platform will send the corresponding equipment signal to the circulating water waste heat recovery control system, which controls the circulating water waste heat recovery control system. The corresponding pump and valve are closed, and circulating cold water or hot water is no longer provided; at the same time, the circulating water waste heat recovery control system collects the heating parameters of the heat pump unit in real time, and transmits the heating parameters such as the heating capacity and the heating efficiency to the energy comprehensive utilization platform in real time. Provides the basis for the energy management of the entire plant.
作为本发明的一种具体实施方式，如图3所示，液位传感器将液位信号实时传送至循环水余热回收控制系统，当液位降低时，循环水余热回收控制系统控制补水泵19和电磁阀E20或电磁阀G18开启，为水箱补水。As a specific embodiment of the present invention, as shown in FIG. 3 , the liquid level sensor transmits the liquid level signal to the circulating water waste heat recovery control system in real time. When the liquid level decreases, the circulating water waste heat recovery control system controls the make-up
作为本发明的一种具体实施方式，循环水余热保温水箱22内温度传感器实时监测循环水余热保温水箱22中的温度，当循环水余热保温水箱22中的水温低于20℃时，且持续时间大于30min，说明上游发热设备已经部分停机，循环水余热保温水箱22的蓄热量不足，为节约能源，循环水余热回收控制系统控制热泵机组8停机，待循环水余热保温水箱22水温升高至高于20℃时，热泵机组8重新开启。As a specific embodiment of the present invention, the temperature sensor in the circulating water residual heat heat
作为本发明的一种具体实施方式，热水利用单元还包括冷却塔12，电磁阀J10安装在冷却塔12的热水进水口，循环水余热回收控制系统实时采集热泵机组的提热参数，当提热量与辅助设施14和机加清洗设备13需热量大致相当时，正常供热，如果提热量大于两种设备需热量，循环水余热回收控制系统控制开启冷却塔12散热，如果提热量远远小于两种设备用热量时，则开启其他供热系统供热(图中未画出)，之后循环水余热回收控制系统重复上述逻辑控制。As a specific embodiment of the present invention, the hot water utilization unit further includes a cooling tower 12, the solenoid valve J10 is installed at the hot water inlet of the cooling tower 12, and the circulating water waste heat recovery control system collects the heating parameters of the heat pump unit in real time. When the heat extraction is roughly equal to the heat required by the
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明技术原理的前提下，还可以做出若干改进和变型，这些改进和变型也应视为本发明的保护范围。The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principles of the present invention, several improvements and modifications can also be made. These improvements and modifications It should also be regarded as the protection scope of the present invention.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111638A (en) * | 2022-05-17 | 2022-09-27 | 襄阳荣景盛机电科技有限公司 | A method for secondary heating in a cold-heating double-effect system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201819479U (en) * | 2010-10-19 | 2011-05-04 | 上海中普节能科技有限公司 | A waste heat recovery energy-saving cold and heat source system |
| CN102980346A (en) * | 2012-12-10 | 2013-03-20 | 安徽日源环保能源科技有限公司 | Industrial equipment cooling system and control method thereof |
| CN103398627A (en) * | 2013-08-19 | 2013-11-20 | 大连交通大学 | Multi-source fluid waste heat recovery and comprehensive utilization system |
| CN106197112A (en) * | 2016-07-22 | 2016-12-07 | 大连交通大学 | A kind of multi-source fluid waste heat recycling system |
| CN207990746U (en) * | 2018-02-28 | 2018-10-19 | 张鹏 | A kind of air compressor residual-heat utilization system |
| CN208108611U (en) * | 2018-03-25 | 2018-11-16 | 徐齐越 | A kind of energy-saving cooling system for chip factory |
| CN110762898A (en) * | 2019-01-24 | 2020-02-07 | 中船第九设计研究院工程有限公司 | Air compression station waste heat recovery system based on water source heat pump unit |
| CN111485079A (en) * | 2020-05-27 | 2020-08-04 | 秦皇岛信能能源设备有限公司 | Quenching tank waste heat recycling system and control method |
| CN212253230U (en) * | 2020-08-20 | 2020-12-29 | 秦皇岛信能能源设备有限公司 | Circulating water waste heat recovery system of recycling |
-
2020
- 2020-08-20 CN CN202010844786.0A patent/CN111854229B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201819479U (en) * | 2010-10-19 | 2011-05-04 | 上海中普节能科技有限公司 | A waste heat recovery energy-saving cold and heat source system |
| CN102980346A (en) * | 2012-12-10 | 2013-03-20 | 安徽日源环保能源科技有限公司 | Industrial equipment cooling system and control method thereof |
| CN103398627A (en) * | 2013-08-19 | 2013-11-20 | 大连交通大学 | Multi-source fluid waste heat recovery and comprehensive utilization system |
| CN106197112A (en) * | 2016-07-22 | 2016-12-07 | 大连交通大学 | A kind of multi-source fluid waste heat recycling system |
| CN207990746U (en) * | 2018-02-28 | 2018-10-19 | 张鹏 | A kind of air compressor residual-heat utilization system |
| CN208108611U (en) * | 2018-03-25 | 2018-11-16 | 徐齐越 | A kind of energy-saving cooling system for chip factory |
| CN110762898A (en) * | 2019-01-24 | 2020-02-07 | 中船第九设计研究院工程有限公司 | Air compression station waste heat recovery system based on water source heat pump unit |
| CN111485079A (en) * | 2020-05-27 | 2020-08-04 | 秦皇岛信能能源设备有限公司 | Quenching tank waste heat recycling system and control method |
| CN212253230U (en) * | 2020-08-20 | 2020-12-29 | 秦皇岛信能能源设备有限公司 | Circulating water waste heat recovery system of recycling |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111638A (en) * | 2022-05-17 | 2022-09-27 | 襄阳荣景盛机电科技有限公司 | A method for secondary heating in a cold-heating double-effect system |
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