CN201819479U - A waste heat recovery energy-saving cold and heat source system - Google Patents
A waste heat recovery energy-saving cold and heat source system Download PDFInfo
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- 238000011084 recovery Methods 0.000 title claims abstract description 63
- 239000002918 waste heat Substances 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 125
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 43
- 239000010935 stainless steel Substances 0.000 claims abstract description 43
- 238000004321 preservation Methods 0.000 claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 238000004378 air conditioning Methods 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 238000005057 refrigeration Methods 0.000 claims description 13
- 239000008236 heating water Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 3
- 239000005457 ice water Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 229920005830 Polyurethane Foam Polymers 0.000 abstract description 2
- 238000005485 electric heating Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000011496 polyurethane foam Substances 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 description 11
- 238000001816 cooling Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
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- 230000007547 defect Effects 0.000 description 1
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- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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Abstract
本实用新型公开了一种余热回收节能冷热源系统，其结构包括冷热回收热泵机组、均与冷热回收热泵机组相连的不锈钢加热保温水箱和不锈钢储蓄保温水箱；所述冷热回收热泵机组还连接末端空调水循环系统；所述不锈钢加热保温水箱还连接热水回水系统；所述不锈钢储蓄保温水箱还连接生活热水供水系统。本实用新型余热回收节能冷热源系统以余热回收热泵机组，余热回收自动电气控制装置、聚胺脂发泡双层不锈钢保温水箱和变频控制系统等技术为核心，无须专门机房。无须改变原有管道、无须辅助电加热装置和备用锅炉、高效益生产冰水、暖气和55℃以上生活热水(冬季-8℃)。大幅度节约能源和管理费用做到有效降低环境温度。
The utility model discloses an energy-saving cold and heat source system for waste heat recovery, which comprises a cold and heat recovery heat pump unit, a stainless steel heating and heat preservation water tank connected to the cold and heat recovery heat pump unit, and a stainless steel storage and heat preservation water tank; the cold and heat recovery heat pump unit It is also connected to the terminal air-conditioning water circulation system; the stainless steel heating and heat preservation water tank is also connected to the hot water return system; the stainless steel storage heat preservation water tank is also connected to the domestic hot water supply system. The waste heat recovery and energy-saving cold and heat source system of the utility model takes waste heat recovery heat pump unit, waste heat recovery automatic electrical control device, polyurethane foam double-layer stainless steel heat preservation water tank and frequency conversion control system as the core technology, and does not need a special machine room. There is no need to change the original pipeline, no auxiliary electric heating device and backup boiler, high-efficiency production of ice water, heating and domestic hot water above 55°C (-8°C in winter). Significantly save energy and management costs to effectively reduce the ambient temperature.
Description
技术领域technical field
本实用新型涉及余热回收装置，具体地说是一种余热回收节能冷热源系统。The utility model relates to a waste heat recovery device, in particular to a waste heat recovery energy-saving cold and heat source system.
背景技术Background technique
传统的冷热源系统大多数采用夏季制冷机组生产冷气，生活热水和冬季采暖则用锅炉生产，这种传统的设计模式：一方面夏季制冷时把制冷机组散发出来的热量通过冷却塔冷却，而另一方面又采用锅炉制造热水。随着油、气、煤等能耗价格年年上升，带给用户能耗消费越发突出，锅炉尾气和余热的排放也不利于环境保护。Most of the traditional cold and heat source systems use refrigeration units to produce air-conditioning in summer, while domestic hot water and heating in winter are produced by boilers. This traditional design mode: on the one hand, the heat emitted by the refrigeration unit is cooled by the cooling tower during cooling in summer. On the other hand, boilers are used to produce hot water. With the price of energy consumption such as oil, gas, and coal rising year by year, the energy consumption brought to users is becoming more and more prominent, and the discharge of boiler tail gas and waste heat is not conducive to environmental protection.
其他节能方法例空气源热泵热水机组没有冷气回收功能，特别冬季很难保证热水正常供应。另外制冷机组安装热回收装置节能方法，回收的热量一般在20％左右而当该设备不工作时，生活热水还需锅炉式其他设备生产，制冷机组安装热回收装置最大缺点容易损坏压缩机。Other energy-saving methods such as air-source heat pump water heaters do not have the function of recycling cold air, and it is difficult to ensure the normal supply of hot water especially in winter. In addition, the energy-saving method of installing a heat recovery device in the refrigeration unit generally recovers about 20% of the heat. When the equipment is not working, domestic hot water needs to be produced by other boiler-type equipment. The biggest disadvantage of installing a heat recovery device in the refrigeration unit is that it is easy to damage the compressor.
实用新型内容Utility model content
(一)要解决的技术问题(1) Technical problems to be solved
本实用新型的目的是针对现有技术存在的缺陷，提供一种余热回收节能冷热源系统，解决现有技术存在的一方面夏季制冷时把制冷机组散发出来的热量通过冷却塔冷却，而另一方面又采用锅炉制造热水。随着油、气、煤等能耗价格年年上升，带给用户能耗消费越发突出，锅炉尾气和余热的排放也不利于环境保护的问题。The purpose of this utility model is to provide a waste heat recovery and energy-saving cold and heat source system for the defects of the existing technology. On the one hand, boilers are used to produce hot water. With the price of energy consumption such as oil, gas, and coal rising year by year, the energy consumption brought to users has become more and more prominent, and the discharge of boiler tail gas and waste heat is also not conducive to environmental protection.
(二)技术方案(2) Technical solutions
本实用新型解决其技术问题所采用的技术方案是：一种余热回收节能冷热源系统，其结构包括冷热回收热泵机组、均与冷热回收热泵机组相连的不锈钢加热保温水箱和不锈钢储蓄保温水箱；所述冷热回收热泵机组还连接末端空调水循环系统；所述不锈钢加热保温水箱还连接热水回水系统；所述不锈钢储蓄保温水箱还连接生活热水供水系统。The technical solution adopted by the utility model to solve the technical problem is: a waste heat recovery energy-saving cold and heat source system, its structure includes a cold and heat recovery heat pump unit, a stainless steel heating and heat preservation water tank connected to the cold and heat recovery heat pump unit and a stainless steel storage and heat preservation system Water tank; the cold and heat recovery heat pump unit is also connected to the terminal air-conditioning water circulation system; the stainless steel heating and heat preservation water tank is also connected to the hot water return system; the stainless steel storage heat preservation water tank is also connected to the domestic hot water supply system.
所述不锈钢加热保温水箱和不锈钢储蓄保温水箱同时通过制热水循环泵连接冷热回收热泵机组；所述冷热回收热泵机组通过制冷水循环泵连接末端空调水循环系统；所述不锈钢加热保温水箱和不锈钢储蓄保温水箱通过储热水增压泵相连；所述不锈钢储蓄保温水箱通过供生活热水变频增压泵连接生活热水供水系统。The stainless steel heating and heat preservation water tank and the stainless steel storage heat preservation water tank are connected to the cold and heat recovery heat pump unit through the hot water circulation pump at the same time; the cold and heat recovery heat pump unit is connected to the terminal air conditioning water circulation system through the cooling water circulation pump; The storage heat preservation water tank is connected through a hot water storage booster pump; the stainless steel heat preservation water tank is connected with the domestic hot water supply system through a frequency conversion booster pump for domestic hot water supply.
所述冷热回收热泵机组、不锈钢加热保温水箱、不锈钢储蓄保温水箱、制热水循环泵、制冷水循环泵、储热水增压泵、供生活热水变频增压泵均与变频控制系统装置、余热回收自动电器控制装置相连接。The cold and heat recovery heat pump unit, stainless steel heating and heat preservation water tank, stainless steel storage heat preservation water tank, hot water circulation pump, refrigeration water circulation pump, hot water storage booster pump, domestic hot water frequency conversion booster pump are all connected with the frequency conversion control system device, The waste heat recovery automatic electrical control device is connected.
(三)有益效果(3) Beneficial effects
本实用新型的一种余热回收节能冷热源系统和现有技术相比，具有以下有益效果：Compared with the prior art, a waste heat recovery and energy-saving cold and heat source system of the present utility model has the following beneficial effects:
本实用新型余热回收节能冷热源系统以余热回收热泵机组，余热回收自动电气控制装置、聚胺脂发泡双层不锈钢保温水箱和变频控制系统等技术为核心，无须专门机房。无须改变原有管道、无须辅助电加热装置和备用锅炉、高效益生产冰水、暖气和55℃以上生活热水(冬季-8℃)。大幅度节约能源和管理费用做到有效降低环境温度和降本增效，取代锅炉、制冷机组、冷却塔、热交换器等设备的先进节能系统。The waste heat recovery and energy-saving cold and heat source system of the utility model takes waste heat recovery heat pump unit, waste heat recovery automatic electrical control device, polyurethane foam double-layer stainless steel heat preservation water tank and frequency conversion control system as the core technology, and does not need a special machine room. No need to change the original pipeline, no auxiliary electric heating device and backup boiler, high-efficiency production of ice water, heating and domestic hot water above 55°C (-8°C in winter). Significantly save energy and management costs to effectively reduce the ambient temperature, reduce costs and increase efficiency, and replace boilers, refrigeration units, cooling towers, heat exchangers and other equipment with advanced energy-saving systems.
余热回收节能低碳冷热源系统无须改变原有建筑物内部空调管道和结排水内部管道，把原有生活热水封闭系统改变为开启式系统，并采用变频技术等综合措施，实现水压均衡。Waste heat recovery energy-saving low-carbon cold and heat source system does not need to change the original internal air-conditioning pipes and internal drainage pipes of the building, the original domestic hot water closed system is changed to an open system, and comprehensive measures such as frequency conversion technology are adopted to achieve water pressure balance .
余热回收节能低碳冷热源系统的余热回收热泵机组工作原理从水中和空气中双向获取能量，在制冷时通过水冷式蒸发器把释放到空间的热量制作热水，在供热过程中通过风冷式蒸发器从室外空气中吸收热量。Waste heat recovery energy-saving low-carbon cold heat source system The working principle of the waste heat recovery heat pump unit is to obtain energy from water and air in two directions. When cooling, the heat released into the space is made into hot water through the water-cooled evaporator. Cold evaporators absorb heat from the outside air.
余热回收节能低碳冷热源系统全年冷气以及热水可以双效同时供应，并且可以做到没有冷水时，可单独提供热水，没有热水可以单独提供冷气。是一套比较完整节能效果最高，初投成本最低，回收期最短的环保节能系统。Waste heat recovery energy-saving low-carbon cold and heat source system can supply air-conditioning and hot water at the same time throughout the year, and when there is no cold water, it can provide hot water alone, and if there is no hot water, it can provide air-conditioning alone. It is a relatively complete environmental protection and energy-saving system with the highest energy-saving effect, the lowest initial investment cost and the shortest payback period.
余热回收节能低碳冷热源与目前推行节能方法有较大区别。余热回收节能低碳冷热源每年365天可以正常供应冷气、暖气和55℃以上生活热水(-8℃)，夏季的生活热水可以免费供应。Waste heat recovery energy-saving low-carbon cold and heat sources are quite different from the current energy-saving methods. Waste heat recovery energy-saving low-carbon cold and heat sources can normally supply air-conditioning, heating and domestic hot water above 55°C (-8°C) 365 days a year, and domestic hot water can be supplied free of charge in summer.
余热回收节能低碳冷热源系统主要服务于大量使用中央空调、生活热水的宾馆、酒店、医院、学校、洗浴中心和游泳池等企事业单位。该节能系统把传统的制冷、制暖冷热源两个系统合并为余热回收节能低碳冷热源一个系统，取消了锅炉、制冷机组、冷却塔和热交换器等设备达到了真正节能减排目标。The waste heat recovery energy-saving low-carbon cold and heat source system mainly serves enterprises and institutions such as hotels, hotels, hospitals, schools, bath centers and swimming pools that use a large number of central air conditioners and domestic hot water. This energy-saving system combines the traditional refrigeration and heating cold and heat sources into one system of waste heat recovery, energy-saving and low-carbon cold and heat sources, and eliminates equipment such as boilers, refrigeration units, cooling towers and heat exchangers to achieve real energy saving and emission reduction. Target.
附图说明Description of drawings
附图为本实用新型的一种余热回收节能冷热源系统的结构示意图。The accompanying drawing is a schematic structural diagram of a waste heat recovery energy-saving cold and heat source system of the present invention.
图中：1、冷热回收热泵机组；2、不锈钢加热保温水箱；3、不锈钢储蓄保温水箱；4、制热水循环泵；5、制冷水循环泵；6、储热水增压泵；7、供生活热水变频增压泵；8、变频控制系统装置；9、余热回收自动电器控制装置；10、连接生活热水供水系统；11、连接末端空调水循环系统；12、连接热水回水系统。In the figure: 1. Cold and heat recovery heat pump unit; 2. Stainless steel heating and heat preservation water tank; 3. Stainless steel storage heat preservation water tank; 4. Hot water circulation pump; 5. Refrigeration water circulation pump; 6. Hot water storage booster pump; 7. Frequency conversion booster pump for domestic hot water; 8. Frequency conversion control system device; 9. Automatic electrical control device for waste heat recovery; 10. Connection to domestic hot water supply system; 11. Connection to terminal air conditioning water circulation system; 12. Connection to hot water return system .
具体实施方式Detailed ways
接下来参照说明书附图对本实用新型的一种余热回收节能冷热源系统作以下详细地说明。Next, a waste heat recovery and energy-saving cold and heat source system of the present invention will be described in detail with reference to the accompanying drawings.
一种余热回收节能冷热源系统，其结构包括冷热回收热泵机组1、均与冷热回收热泵机组相连的不锈钢加热保温水箱2和不锈钢储蓄保温水箱3；所述冷热回收热泵机组还连接末端空调水循环系统11；所述不锈钢加热保温水箱还连接热水回水系统12；所述不锈钢储蓄保温水箱还连接生活热水供水系统10。A waste heat recovery and energy-saving cold and heat source system, its structure includes a cold and heat recovery heat pump unit 1, a stainless steel heating and heat preservation water tank 2 and a stainless steel storage and heat preservation water tank 3 that are connected to the cold and heat recovery heat pump unit; the cold and heat recovery heat pump unit is also connected to The terminal air conditioning
所述不锈钢加热保温水箱和不锈钢储蓄保温水箱同时通过制热水循环泵4连接冷热回收热泵机组；所述冷热回收热泵机组通过制冷水循环泵5连接末端空调水循环系统；所述不锈钢加热保温水箱和不锈钢储蓄保温水箱通过储热水增压泵6相连；所述不锈钢储蓄保温水箱通过供生活热水变频增压泵7连接生活热水供水系统。The stainless steel heating and heat preservation water tank and the stainless steel storage heat preservation water tank are connected to the cold and heat recovery heat pump unit through the hot water circulation pump 4 at the same time; the cold and heat recovery heat pump unit is connected to the terminal air conditioning water circulation system through the cooling water circulation pump 5; the stainless steel heating and heat preservation water tank It is connected with the stainless steel storage heat preservation water tank through the hot water storage booster pump 6; the stainless steel heat preservation water tank is connected with the domestic hot water supply system through the domestic hot water frequency conversion booster pump 7.
所述冷热回收热泵机组、不锈钢加热保温水箱、不锈钢储蓄保温水箱、制热水循环泵、制冷水循环泵、储热水增压泵、供生活热水变频增压泵均与变频控制系统装置8、余热回收自动电器控制装置9相连接。The cold and heat recovery heat pump unit, stainless steel heating and heat preservation water tank, stainless steel storage heat preservation water tank, hot water circulation pump, refrigeration water circulation pump, hot water storage booster pump, and domestic hot water frequency conversion booster pump are all connected with the frequency conversion control system device 8 , Waste heat recovery automatic electrical control device 9 is connected.
余热回收节能低碳冷热源系统工作原理把冷热回收热泵机组制造出来的冷气、热气达到制冷制热循环的工作过程。冷气通过冰水循环泵，生活热水和暖气通过不锈钢保温水箱，自动电气控制装置、变频控制泵系统装置等同时提供室内所需冷气、热水不需额外复杂的外部控制装置。The working principle of the waste heat recovery energy-saving low-carbon cold and heat source system is to transfer the cold air and hot air produced by the cold heat recovery heat pump unit to the working process of the refrigeration and heating cycle. The cold air passes through the ice water circulation pump, the domestic hot water and heating air pass through the stainless steel insulation water tank, the automatic electrical control device, the frequency conversion control pump system device, etc. provide the required indoor air conditioning and hot water without additional complicated external control devices.
冷热回收热泵机组二根热水管一出一回供应生活热水和冬季暖气，生活热水采用变频装置电动阀、流量开关、止回阀、压力表、温度计、过滤器、手动蝶阀、排气阀、旁通阀、减压阀通过不锈钢加热水箱循环加热到55℃左右至不锈钢保温水箱后直接进入生活热水系统，生活热水回水系统则进入不锈钢加热水箱重新循环加热。冬季采暖则空调水通过板交和不锈钢加热水箱循环加热进入中央空调采暖系统。The two hot water pipes of the cold and heat recovery heat pump unit supply domestic hot water and winter heating. The domestic hot water uses frequency conversion device electric valve, flow switch, check valve, pressure gauge, thermometer, filter, manual butterfly valve, drain The gas valve, bypass valve and pressure reducing valve are heated to about 55°C through the stainless steel heating water tank and then directly enter the domestic hot water system. The domestic hot water return system enters the stainless steel heating water tank for recirculation heating. For heating in winter, the air-conditioning water enters the central air-conditioning and heating system through circulation and heating of the board cross and stainless steel heating water tank.
冷热回收热泵机组二根冰水管一出一回，通过冰水循环泵、流量开关、压力表、止回阀、手动蝶阀、压差旁通阀、排气阀、温度计等进入中央空调制冷系统，冬季不需要冷气时，通过变频风机自动散发空间。The cold and heat recovery heat pump unit has two ice water pipes, one outlet and one return, and enter the central air conditioning refrigeration system through the ice water circulation pump, flow switch, pressure gauge, check valve, manual butterfly valve, differential pressure bypass valve, exhaust valve, thermometer, etc. When air conditioning is not needed in winter, the space is automatically distributed through the frequency conversion fan.
余热回收节能低碳冷热源系统在冷热回收热泵机组开机后，根据供冷信号、供热信号提供的讯息系统可自动切换。并做到以下模式一.只提供冷气单一运转供室内空调之用。二.冷气能力等于热水能力，同时提供冷气和热水供应。三.冷气能力大于热水能力。四.冷气能力小于热水能力。五.只提供热水运转，提供生活热水和暖气之用。Waste heat recovery energy-saving low-carbon cold and heat source system can automatically switch according to the information system provided by the cooling and heating signals after the cold and heat recovery heat pump unit is turned on. And achieve the following mode 1. Only provide a single operation of air-conditioning for indoor air-conditioning. 2. The air-conditioning capacity is equal to the hot water capacity, and both air-conditioning and hot water supply are provided at the same time. 3. The air-conditioning capacity is greater than the hot water capacity. 4. The air-conditioning capacity is less than the hot water capacity. 5. Only provide hot water operation, provide domestic hot water and heating.
余热回收节能低碳冷热源系统冷(热)水自动控制操作实现屏幕管理，可用于人机界面上直接做开机及停机功能，依负载需求同时设定为冷(热)水模式或单一冷气运转，也可以单一热水运转。可设定冷水工作温度最低为5℃，热水工作温度可最高为60℃，完全符合中央空调冷暖和生活热水之用。Waste heat recovery, energy saving, low-carbon cold and heat source system, automatic control operation of cold (hot) water to realize screen management, can be used to directly start and stop functions on the human-machine interface, and can be set to cold (hot) water mode or single air conditioner at the same time according to load requirements It can also be operated with single hot water. The lowest working temperature of cold water can be set to 5°C, and the highest working temperature of hot water can be set to 60°C, which is fully suitable for heating and cooling of central air-conditioning and domestic hot water.
采用余热回收节能低碳冷热源系统拆除了锅炉、单冷机组、冷却塔和热交换器等设备后腾出的面积可作为商业用房，噪音、高温等影响员工身心健康的问题解决了，而且系统自动化程度高，无须专人看管，节省人力，平均节能达40％以上。The waste heat recovery energy-saving low-carbon cold and heat source system is used to remove the boiler, single-cooling unit, cooling tower, heat exchanger and other equipment, and the area vacated can be used as a commercial building. Problems affecting the physical and mental health of employees such as noise and high temperature have been solved. Moreover, the system has a high degree of automation and does not need special personnel to take care of it, saving manpower, and the average energy saving is more than 40%.
以上所述实施例，只是本实用新型较优选的具体的实施方式的一种，本领域的技术人员在本实用新型技术方案范围内进行的通常变化和替换都应包含在本实用新型的保护范围内。The above-described embodiment is only a kind of preferred specific implementation of the present utility model, and the usual changes and replacements carried out by those skilled in the art within the scope of the technical solutions of the present utility model should be included in the protection scope of the present utility model Inside.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958777A (en) * | 2017-12-26 | 2019-07-02 | 丹佛斯有限公司 | Differential-pressure bypass valve and cold water or the heat pump unit circulatory system |
| CN111651852A (en) * | 2020-04-12 | 2020-09-11 | 辽宁科技大学 | An optimal scheduling method for a comprehensive utilization system of low-temperature waste heat of an air compressor |
| CN111854229A (en) * | 2020-08-20 | 2020-10-30 | 秦皇岛信能能源设备有限公司 | A system and control method for recycling waste heat of circulating water |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958777A (en) * | 2017-12-26 | 2019-07-02 | 丹佛斯有限公司 | Differential-pressure bypass valve and cold water or the heat pump unit circulatory system |
| CN109958777B (en) * | 2017-12-26 | 2022-07-26 | 丹佛斯有限公司 | Differential pressure bypass valve and cold water or heat pump unit circulating system |
| CN111651852A (en) * | 2020-04-12 | 2020-09-11 | 辽宁科技大学 | An optimal scheduling method for a comprehensive utilization system of low-temperature waste heat of an air compressor |
| CN111854229A (en) * | 2020-08-20 | 2020-10-30 | 秦皇岛信能能源设备有限公司 | A system and control method for recycling waste heat of circulating water |
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