CN103148587A - Method and device for preparing domestic hot water with waste heat of power plant - Google Patents
Method and device for preparing domestic hot water with waste heat of power plant Download PDFInfo
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- CN103148587A CN103148587A CN2013100765831A CN201310076583A CN103148587A CN 103148587 A CN103148587 A CN 103148587A CN 2013100765831 A CN2013100765831 A CN 2013100765831A CN 201310076583 A CN201310076583 A CN 201310076583A CN 103148587 A CN103148587 A CN 103148587A
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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
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- 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]
- Y02B30/12—Hot water central heating systems using heat pumps
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Abstract
The invention discloses a method and a device for preparing domestic hot water with waste heat of a power plant. The method comprises the steps that circulation cooling water of the power plant continuously and circularly absorbs heat in a steam condenser and releases the heat in an evaporator; a refrigerant continuously absorbs the heat in the evaporator and releases the heat in a condenser; and the cold water absorbs the heat in the condenser to be heated into the domestic hot water which is delivered to domestic hot water users. The device comprises the steam condenser and a heat pump, wherein the heat pump comprises the evaporator, the condenser and a compressor that are connected by refrigerant pipelines; a cooling water outlet of the steam condenser is communicated with a cooling water inlet of the evaporator; a cooling water inlet of the steam condenser is communicated with a cooling water outlet of the evaporator by a first water pump; a cold water inlet of the condenser is communicated with a second water pump by a water inlet pipe in sequence; and a hot water outlet of the condenser is communicated with the domestic hot water user. According to the method and the device, the waste heat of the power plant are made full use of, energy for preparing the domestic hot water is saved simultaneously, and environmental pollution is reduced.
Description
Technical field
The present invention relates to exhaust heat recovering method and device, relate in particular to method and device that the power plant waste heat is produced the domestic hot-water.
Background technology
The power plant generating waste-heat is to utilize cooling circulating water to airborne release by cooling tower at present, and waste heat is not fully used, and the cooling circulating water rate of water make-up is large, has both wasted waste heat, has also aggravated urban heat land effect, has also wasted a large amount of running water.In addition, producing at present the domestic hot-water has following several situation: 1, electricity domestic hot-water processed, and to utilize electric energy to produce the domestic hot-water and have not energy-conservationly, expense is high, uneasy congruent shortcoming; 2, coal-fired, fuel-oil or fuel-gas boiler is produced the domestic hot-water, and this mode has contaminated environment, and not energy-conservation, occupation of land is many, and the shortcomings such as restricted are installed; 3, solar energy is produced the domestic hot-water, has installation and easily is restricted, and is subjected to the shortcomings such as weather effect is larger.
Summary of the invention
The technical problem to be solved in the present invention is: provide and utilize the power plant waste heat to produce domestic hot-water's method and device, this device had both made the waste heat in power plant be fully used, and had also saved the consumption of producing domestic hot-water's energy.
Technical solution of the present invention is:
The power plant waste heat is produced domestic hot-water's method, the steps include:
(1) after after the pressurization of power plant cooling circulating water by the 1st water pump enters condenser and absorb the power plant generating and utilize, weary steam institute heat content heats up, be circulated to the evaporimeter release heat cooling in heat pump, weary steam institute heat content after the cooling circulating water of release heat again enters in condenser and to absorb the power plant generating and utilize, cooling circulating water so circulation constantly absorbs heat, release heat from evaporimeter from condenser;
(2) heat of cooling circulating water release is absorbed by the cold-producing medium in evaporimeter, cold-producing medium enters compressor and enters condenser after compressed, cold-producing medium is release heat in condenser, the cold-producing medium of release heat again enters evaporimeter and absorbs heat, cold-producing medium so circulation constantly absorbs heat, release heat from condenser from evaporimeter;
(3) pressurization of cold water by the 2nd water pump enters the condenser in heat pump, and the cold water heat that the absorption refrigeration agent discharges in condenser uses as domestic hot-water's domestic hot-water supply user after heating up.
the power plant waste heat is produced domestic hot-water's device, comprise condenser and heat pump, condenser is provided with the steam inlet, the condensate water outlet, condenser cooling water entrance and condenser cooling water outlet, heat pump comprises evaporimeter, condenser and compressor, evaporimeter, condenser connects by refrigerant line with compressor, evaporimeter is provided with evaporator cools water inlet and evaporator cools water out, condenser is provided with condenser cold water inlet and condenser hot water outlet, described condenser cooling water outlet is connected with the evaporator cools water inlet, the condenser cooling water entrance is connected with the evaporator cools water out by the 1st water pump, the condenser cold water inlet is connected by water inlet pipe and the 2nd water pump successively, and the condenser hot water outlet is connected with domestic hot-water user.
Above-mentioned the 2nd water pump is connected with water tank by water pipe, and water tank is provided with filler pipe.
Technique effect of the present invention is: the evaporimeter the present invention enters heat pump by the power plant cooling circulating water after condenser absorbs the heat intensification in, and enter again condenser after the cooling of cooling circulating water release heat and absorb the heat intensification, complete the cool cycles water circuit; Cold water enters the condenser in heat pump, after the absorption heat heats up and becomes the domestic hot-water, then is transported to domestic hot-water user by pipeline; Cold-producing medium reclaims the waste heat in cooling circulating water by the evaporimeter in heat pump, then cold-producing medium carries out heat exchange by the condenser in heat pump with the cold water of flowing through, heating cold water becomes the domestic hot-water and is utilized, cold-producing medium constantly absorbs heat in evaporimeter, and heat release circulates in condenser.Therefore, the inventive method and device had both made the waste heat in power plant be fully used, and reduced generating waste-heat to the discharging of atmosphere, reduced the loss of generating cooling circulating water, thereby reduced the rate of water make-up of cooling circulating water.Simultaneously also save the consumption of producing domestic hot-water's energy, reduced environmental pollution.
Description of drawings
1, Fig. 1 is the apparatus structure schematic diagram that power plant of the present invention waste heat is produced the domestic hot-water.
In figure, 1, water tank, the 2, the 2nd water pump, 3, heat pump, 4, the 1st water pump, 5, condenser, 6, domestic hot-water user, 7, the steam inlet, 8, condensate water outlet, 9, compressor, 10, evaporimeter, 11, condenser, 12, condenser cooling water outlet, 13, the condenser cooling water entrance, 14, the evaporator cools water inlet, 15, the evaporator cools water out, 16, condenser hot water outlet, 17, the condenser cold water inlet, 18, refrigerant line, 19, water inlet pipe, 20, water pipe, 21, filler pipe.
The specific embodiment
Describe in detail below in conjunction with drawings and Examples:
As shown in Figure 1, power plant of the present invention waste heat is produced domestic hot-water's method, the steps include:
(1) after after the pressurization of power plant cooling circulating water by the 1st water pump 4 enters and absorb the power plant generating in condenser 5 and utilize, weary steam institute heat content heats up, be circulated to the evaporimeter 10 release heat coolings in heat pump 3, weary steam institute heat content after the cooling circulating water of release heat again enters in condenser 5 and to absorb the power plant generating and utilize, cooling circulating water so circulation constantly absorbs heat, release heat from evaporimeter 10 from condenser 5;
(2) heat of cooling circulating water release is absorbed by the cold-producing mediums in evaporimeter 10, cold-producing medium enters compressor 9 and enters condenser 11 after compressed, cold-producing medium is release heat in condenser 11, the cold-producing medium of release heat again enters evaporimeter 10 and absorbs heat, cold-producing medium so circulation constantly absorbs heat, release heat from condenser 11 from evaporimeter 10;
(3) pressurization of cold water by the 2nd water pump 2 enters the condenser 11 in heat pump 3, uses as domestic hot-water's domestic hot-water supply user 6 after the cold water heat that the absorption refrigeration agent discharges in condenser 11 heats up.
By the continuous circulation of above step, continue to produce the domestic hot-water.
The present embodiment heat pump is to utilize air-conditioning system to heat operation principle to carry out work: the gas refrigerant in heat pump is pressurizeed by compressor, become high temperature and high pressure gas, enter the condenser in heat pump, the gas refrigerant condensation liquefaction becomes liquid refrigerant and emits heat, thereby reaches the heat exchange purpose.Liquid refrigerant reduces pressure through throttling arrangement, enters evaporimeter, and liquid refrigerant evaporates gasification heat absorption becomes gas refrigerant, and the gas refrigerant of draw heat enters the next circulation of compressor starts again.The circulation that namely changes (seethe with excitement and condense) by cold-producing medium gas phase in the parts such as evaporimeter, compressor, condenser and expansion valve is gone during the heat of cryogenic object is delivered to high temp objects.
Solid arrow in Fig. 1 represents the cooling circulating water flow direction, and dotted arrow represents the flow of refrigerant direction, and dash-dot arrows represents the cold water flow direction, and the double dot dash line arrow represents the hot water flow direction.
as shown in Figure 1, power plant of the present invention waste heat is produced domestic hot-water's device, comprise condenser 5 and heat pump 3, condenser 5 is provided with steam inlet 7, condensate water outlet 8, condenser cooling water entrance 13 and condenser cooling water outlet 12, heat pump 3 comprises evaporimeter 10, condenser 11 and compressor 9, evaporimeter 10, condenser 11 is connected with compressor by refrigerant line 18 connections, evaporimeter 10 is provided with evaporator cools water inlet 14 and evaporator cools water out 15, condenser 11 is provided with condenser cold water inlet 17 and condenser hot water outlet 16, described condenser cooling water outlet 12 is connected with evaporator cools water inlet 14, condenser cooling water entrance 13 is connected with evaporator cools water out 15 by the 1st water pump 4, condenser cold water inlet 17 is connected by water inlet pipe 19 and the 2nd water pump 2 respectively, and condenser hot water outlet 16 is connected with domestic hot-water user 6.Described the 2nd water pump 2 is connected with water tank 1 by water pipe 20, and water tank 1 is provided with filler pipe 21.The present embodiment filler pipe 21 connects the municipal tap water.Water tank 1 has water storage function, guarantees that running water continues to provide cold water to condenser 11, even the running water short time cuts off the water, also can guarantee provides the water source to condenser 11.The present embodiment cold-producing medium adopts freon.
The unspecified content of the present invention is prior art, and those skilled in the art can obtain to inspire from the present embodiment and prior art, is out of shape to obtain other embodiment.Therefore, protection scope of the present invention should be determined according to the protection domain of claim.
Claims (3)
1. the power plant waste heat is produced domestic hot-water's method, the steps include:
(1) after after the pressurization of power plant cooling circulating water by the 1st water pump (4) enters condenser (5) and absorb the power plant generating and utilize, weary steam institute heat content heats up, be circulated to evaporimeter (10) the release heat cooling in heat pump (3), weary steam institute heat content after the cooling circulating water of release heat again enters and absorbs the power plant generating in condenser (5) and utilize, cooling circulating water so circulation constantly absorbs heat, release heat from described evaporimeter (10) from condenser (5);
(2) heat of cooling circulating water release is absorbed by the cold-producing medium in evaporimeter (10), cold-producing medium enters compressor (9) and enters condenser (11) after compressed, cold-producing medium is release heat in condenser (11), the cold-producing medium of release heat again enters evaporimeter (10) and absorbs heat, cold-producing medium so circulation constantly absorbs heat, release heat from condenser (11) from evaporimeter (10);
(3) pressurization of cold water by the 2nd water pump (2) enters the condenser (11) in heat pump (3), and the cold water heat that the absorption refrigeration agent discharges in condenser (11) uses as domestic hot-water's domestic hot-water supply user (6) after heating up.
2. the power plant waste heat is produced domestic hot-water's device, comprise condenser (5) and heat pump (3), condenser (5) is provided with steam inlet (7), condensate water outlet (8), condenser cooling water entrance (13) and condenser cooling water outlet (12), heat pump (3) comprises evaporimeter (10), condenser (11) and compressor (9), evaporimeter (10), condenser (11) is connected 9 with compressor) connect by refrigerant line (18), evaporimeter (10) is provided with evaporator cools water inlet (14) and evaporator cools water out (15), condenser (11) is provided with condenser cold water inlet (17) and condenser hot water outlet (16), it is characterized in that: described condenser cooling water outlet (12) is connected with evaporator cools water inlet (14), condenser cooling water entrance (13) is connected with evaporator cools water out (15) by the 1st water pump (4), condenser cold water inlet (17) is connected by water inlet pipe (19) and the 2nd water pump (2) successively, and condenser hot water outlet (16) is connected with domestic hot-water user (6).
3. the power plant waste heat is produced domestic hot-water's device according to claim 2, it is characterized in that: described the 2nd water pump (2) is connected with water tank (1) by water pipe (20), and water tank (1) is provided with filler pipe (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013100765831A CN103148587A (en) | 2013-02-16 | 2013-02-16 | Method and device for preparing domestic hot water with waste heat of power plant |
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| CN2013100765831A CN103148587A (en) | 2013-02-16 | 2013-02-16 | Method and device for preparing domestic hot water with waste heat of power plant |
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| CN103148587A true CN103148587A (en) | 2013-06-12 |
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| CN2013100765831A Pending CN103148587A (en) | 2013-02-16 | 2013-02-16 | Method and device for preparing domestic hot water with waste heat of power plant |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109028751A (en) * | 2018-09-10 | 2018-12-18 | 天津渤海石化有限公司 | A kind of refrigerating device for materials |
| CN106402836B (en) * | 2016-06-01 | 2019-03-05 | 王丽军 | Device for recovering waste heat of leaching oil production and cooling by cooling water |
| CN110207290A (en) * | 2018-10-26 | 2019-09-06 | 华帝股份有限公司 | High-energy-saving refrigeration/heating circulating water path system and control method |
| CN112240645A (en) * | 2020-10-23 | 2021-01-19 | 天津城建大学 | Sewage waste heat recovery system and control method thereof |
| CN113318679A (en) * | 2021-05-28 | 2021-08-31 | 重庆化工职业学院 | Circulation reaction kettle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006033798A2 (en) * | 2004-09-17 | 2006-03-30 | Carrier Corporation | Sanitary operation of a hot water heat pump |
| CN101832595A (en) * | 2010-05-14 | 2010-09-15 | 石家庄安能科技有限公司 | Heating plant for supplying heat for heat-engine plant by recovering exhaust steam and vaporizing latent heat |
| CN202182589U (en) * | 2011-08-12 | 2012-04-04 | 张波 | Energy balancing system capable of recycling afterheat and waste heat |
-
2013
- 2013-02-16 CN CN2013100765831A patent/CN103148587A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006033798A2 (en) * | 2004-09-17 | 2006-03-30 | Carrier Corporation | Sanitary operation of a hot water heat pump |
| CN101832595A (en) * | 2010-05-14 | 2010-09-15 | 石家庄安能科技有限公司 | Heating plant for supplying heat for heat-engine plant by recovering exhaust steam and vaporizing latent heat |
| CN202182589U (en) * | 2011-08-12 | 2012-04-04 | 张波 | Energy balancing system capable of recycling afterheat and waste heat |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402836B (en) * | 2016-06-01 | 2019-03-05 | 王丽军 | Device for recovering waste heat of leaching oil production and cooling by cooling water |
| CN109028751A (en) * | 2018-09-10 | 2018-12-18 | 天津渤海石化有限公司 | A kind of refrigerating device for materials |
| CN110207290A (en) * | 2018-10-26 | 2019-09-06 | 华帝股份有限公司 | High-energy-saving refrigeration/heating circulating water path system and control method |
| CN110207290B (en) * | 2018-10-26 | 2023-11-21 | 华帝股份有限公司 | High-energy-saving refrigeration/heating circulation waterway system and control method |
| CN112240645A (en) * | 2020-10-23 | 2021-01-19 | 天津城建大学 | Sewage waste heat recovery system and control method thereof |
| CN112240645B (en) * | 2020-10-23 | 2021-10-12 | 天津城建大学 | Sewage waste heat recovery system and control method thereof |
| CN113318679A (en) * | 2021-05-28 | 2021-08-31 | 重庆化工职业学院 | Circulation reaction kettle |
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Application publication date: 20130612 |
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