CN201203102Y - Waste heat recovering and utilizing system of power plant condenser cooling water - Google Patents
Waste heat recovering and utilizing system of power plant condenser cooling water Download PDFInfo
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- CN201203102Y CN201203102Y CNU2008200703755U CN200820070375U CN201203102Y CN 201203102 Y CN201203102 Y CN 201203102Y CN U2008200703755 U CNU2008200703755 U CN U2008200703755U CN 200820070375 U CN200820070375 U CN 200820070375U CN 201203102 Y CN201203102 Y CN 201203102Y
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Abstract
The utility model relates to a waste heat recovery and utilization system for the condenser cooling water of an electric plant, which comprises at least two groups of heat pump devices. Besides that the first group of the heat pump devices is composed of an exhaust steam evaporator, a compressor, a condenser and a medium pipeline, each group of the rest groups of the heat pump devices is additionally provided with a new medium pipeline on the last condenser of the structure of the former structure of each group besides having the structure of the former group of each group; a condensing water inlet pipe and a temperature increased water outlet pipe which are communicated with a condensing water general pipe are arranged on the condenser of the first group of the heat pumps; a water inlet pipe and a temperature increased water outlet pipe are arranged on the condenser of the first group of the heat pumps; a temperature increased water inlet pipe in the next group is communicated with the temperature increased water outlet pipe in the previous group, and a temperature increased water outlet pipe in the last group is communicated with the boiler; and a control cabinet is connected with each compressor, each expansion valve and each regulating valve. The system not only can utilize the water in the waste steam, but also can recover and utilize the waste heat of the condenser cooling water. The system also has the advantages of convenient use, wide applied range and easy operation.
Description
Technical field
The utility model belongs to the afterheat utilization system; Relate in particular to the bootstrap system after exhaust steam that power plant discharges has become cooling water.
Background technology
Can produce a large amount of low-pressure steams (exhaust steam) in the power generation process, needs according to power plant's electrification technique as well as, these low-pressure steams also need be condensed into condensed water, satisfy on the one hand the process requirements of power generation process, and condensed water can be used as boiler water-filling or other industry, medical treatment, domestic water on the other hand.Owing to also comprise a large amount of heats in this exhaust steam, therefore power plant adopts the method for water-cooled condensation that it is carried out condensation, and condensed heat is brought water-cooling tower into by cooling water, under the driving of dry air, rely on evaporation of water that heat is wherein taken away, and heat is entered in the atmosphere; This process only makes the moisture content in the exhaust steam obtain utilization, and the heat in the exhaust steam has wasted.This technology has not only been wasted lot of energy but also environment has been caused thermal pollution; Because the exhaust steam condenser system of using need take very large-area soil now, therefore occupied large stretch of good farmland.
Summary of the invention
The objective of the invention is to: provide a kind of floor space little, free from environmental pollution, can make moisture content in the exhaust steam obtain utilizing, the system that can utilize the Waste Heat Recovery of condenser cooling water again; And this system can be heated to boiler water-filling needed temperature.
The present invention seeks to be achieved through the following technical solutions: the Waste Heat Recovery of this power plant condenser cooling water and utilize system, comprise at least two group heat pump assemblies, except that reaching the medium pipeline that is communicated with them by an evaporimeter, a compressor and a condenser, first group of heat pump assembly form, on evaporimeter and medium pipeline that condenser links to each other, expansion valve is housed, expansion valve by capillary be contained in evaporimeter and be connected with point for measuring temperature on the medium pipeline that compressor links to each other; Each group heat pump assembly afterwards all is also to have increased a new medium pipeline, contacted again on this medium pipeline a new compressor and a new condenser except that the structure with last group of heat pump assembly on last condenser of this structure; On the new medium pipeline new expansion valve is housed between new condenser and the former condenser, this expansion valve is connected with point for measuring temperature on the new medium pipeline by a new capillary; This point for measuring temperature is on medium pipeline new between former condenser and the new compressor; Condenser cooling water inlet pipe and outlet pipe all are housed on each evaporimeter in this system, motor-driven valve all is housed on the condenser cooling water inlet pipe; Water inlet pipe is housed on the condenser of first group of heat pump and heats the water outlet pipe, all be equipped with on the condenser that increases newly in each group heat pump assembly afterwards and heat the water water inlet pipe and heat the water outlet pipe, and the water water inlet pipe that heats that heats in water outlet pipe next group heat pump assembly adjacent with it in each group heat pump assembly is connected, and the water outlet pipe that heats in last group heat pump assembly is communicated with boiler; The condenser cooling water inlet pipe all is equipped with force (forcing) pump with heating on the water water inlet pipe; The switch board that links to each other with power line is connected with each compressor, expansion valve, control valve with the power supply wire harness by control line.
In this system, two groups of heat pump assemblies are arranged, second group of heat pump assembly also increased a new medium pipeline on condenser except that the structure with first group of heat pump assembly, contacted again on this medium pipeline a new compressor and a new condenser; The water outlet pipe that heats that is equipped with on the condenser that heats water water inlet pipe and first group of heat pump that is equipped with on the condenser that increases newly in second group of heat pump assembly is connected, and the water outlet pipe that heats that is equipped with on the condenser that increases newly in second group of heat pump assembly is communicated with boiler.
Three groups of heat pump assemblies are arranged in this system, the 3rd group of heat pump assembly is except that the structure with second group of heat pump assembly, also on last condenser of this part, increased a new medium pipeline again, contacted again on this medium pipeline a new compressor and a new condenser; The water outlet pipe that heats that is equipped with on the condenser that heats water water inlet pipe and first group of heat pump assembly that is equipped with on the condenser that increases newly in second group of heat pump assembly is connected, the water water inlet pipe that heats in the 3rd group of heat pump assembly is connected with the water outlet pipe that heats in second group of heat pump assembly, and the water outlet pipe that heats in the 3rd group of heat pump assembly is communicated with boiler.
The Waste Heat Recovery of this power plant condenser cooling water and utilize system, by their medium pipeline of exhaust steam evaporimeter, compressor, condenser and connection and liquid enter pipe or effuser is formed, the whole system structure is very compact, floor space is also little; When native system uses, after condenser cooling water enters the evaporimeter of this system, producing with the compressed media after the heat that this system extracts from condenser cooling water promotes through two groups or more heat pump overlapping is the high-pressure and high-temperature steam of medium, the boiler water-filling that the temperature of these high-pressure and high-temperature steam and input is low carries out heat exchange, make the increase in temperature of boiler water-filling, to reach the requirement of boiler water-filling.This system can make the moisture content in the exhaust steam obtain utilizing, again can be the Waste Heat Recovery utilization of condenser cooling water; It also has easy to use, applied range, maneuverable advantage.
Description of drawings
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the structural representation of embodiment 2.
The specific embodiment
Embodiment 1: the Waste Heat Recovery of the power plant condenser cooling water in the present embodiment and utilize system, by two groups of heat pump assemblies, first group of heat pump assembly has an evaporimeter 1, a compressor 2 and a condenser 3, medium pipeline 5 makes between them and links to each other, on the medium pipeline between evaporimeter 1 and the condenser 3 expansion valve 4 is housed, expansion valve 4 is connected with point for measuring temperature 6 on the medium pipeline that is contained between evaporimeter 1 and the compressor 2 by capillary 42; Second group of heat pump assembly also increased a new medium pipeline on the condenser of first group of heat pump assembly except that the structure with first group of heat pump assembly, contacted again on this medium pipeline a new compressor and a new condenser; Promptly second group of heat pump assembly is by evaporimeter 1a, compressor 2a and condenser 3a, and make the medium pipeline 5a that is connected between them, on the medium pipeline between evaporimeter 1a and the condenser 3a expansion valve 4a is housed, expansion valve 4a is connected with point for measuring temperature 6a on the medium pipeline that is contained between evaporimeter 1a and the compressor 2a by capillary 42a; This part structure is identical with the structure of first group of heat pump assembly, with first group of heat pump assembly structure same section in condenser 3a on increased a new medium pipeline 7, contacted again on this new medium pipeline 7 a new compressor 9 and a new condenser 8; New condenser 8 and and first group of heat pump assembly structure same section in condenser 3a between new expansion valve 11 is housed on the new medium pipeline, expansion valve 11 is connected with point for measuring temperature 12 on the new medium pipeline 7 by a new capillary 10; This point for measuring temperature and first group of heat pump assembly structure same section in condenser 3a and new compressor 9 between on the new medium pipeline 7;
On the evaporimeter 1 in first group of heat pump assembly condenser cooling water inlet pipe 31 and outlet pipe 32 are housed; On the evaporimeter 1a in second group of heat pump assembly condenser cooling water inlet pipe 31 and outlet pipe 32 are housed also; Motor-driven valve 22 all is housed on the condenser cooling water inlet pipe 31.Water inlet pipe 33 is housed on the condenser 3 of first group of heat pump assembly and heats water outlet pipe 34, be equipped with on the condenser that increases newly in second group of heat pump assembly and heat water water inlet pipe 35 and heat water outlet pipe 36, the water water outlet 34 that heats in first group of heat pump assembly is connected with the water water inlet pipe 35 that heats in second group of heat pump assembly, and the water outlet pipe 36 that heats in second group of heat pump assembly is communicated with boiler.Condenser cooling water inlet pipe 33 all is equipped with force (forcing) pump 41 with heating on the water water inlet pipe 35; The switch board 43 that links to each other with power line 44 is connected with compressor 2, compressor 2a, compressor 9, expansion valve 4, expansion valve 4a, expansion valve 11, control valve 22 by control line 45 and with the wire harness of its connection.
Embodiment 2: three groups of heat pump assemblies are arranged in the present embodiment, wherein the structure of first group of heat pump assembly and second group of heat pump assembly is identical with structure among the embodiment 1, the 3rd group of heat pump assembly is except that the structure with second group of heat pump assembly, also in second group of heat pump assembly, increase a new medium pipeline on last condenser again, contacted again on this medium pipeline a new compressor and a new condenser; Promptly the structure of the 3rd group of heat pump assembly is by evaporimeter 1b, compressor 2b, condenser 3b, and make the medium pipeline 5b that is connected between them, on the medium pipeline between evaporimeter 1b and the condenser 3b expansion valve 4b is housed, expansion valve 4b is connected with point for measuring temperature 6b on the medium pipeline that is contained between evaporimeter 1b and the compressor 2b by capillary 42b; Medium pipeline 7a is housed on the condenser 3b, is connected with compressor 9a and condenser 8a on this medium pipeline 7a; On the medium pipeline between condenser 8a and the condenser 3b expansion valve 11a is housed, expansion valve 11a is connected with point for measuring temperature 12a on the medium pipeline 7a by capillary 10a; This point for measuring temperature is on medium pipeline 7a between condenser 3b and the compressor 9a; Above-mentioned structure is identical with the structure of second group of heat pump assembly, has increased a new medium pipeline 7b on last condenser 8a of this structure again, newly contacted again on the new medium pipeline 7b that is increased another compressor 19 and another condenser 18; Another condenser 18 and and second group of heat pump assembly structure same section in condenser 8a between another expansion valve 11b is housed on the medium pipeline that increases newly, expansion valve 11b is connected with point for measuring temperature 12b on the medium pipeline 7b by new capillary 10b; This point for measuring temperature and second group of heat pump assembly structure same section in condenser 8a and another compressor 19 between on the medium pipeline 7b;
On the evaporimeter 1b in the 3rd group of heat pump assembly condenser cooling water inlet pipe 31 and outlet pipe 32 are housed also; Motor-driven valve 22 is housed respectively on condenser cooling water inlet pipe 31.Be equipped with on the condenser 18 that increases again in the 3rd group of heat pump assembly and heat water water inlet pipe 37 and heat water outlet pipe 38, the water water inlet pipe of being adorned on the condenser 18 of Zeng Jiaing again 37 that heats is connected with the water outlet pipe 36 that heats in second group of heat pump assembly, and the water outlet pipe 38 that heats in the 3rd group of heat pump assembly is communicated with boiler.Heat force (forcing) pump 41 also is housed on the water water inlet pipe 37; Each compressor in the present embodiment, expansion valve, control valve, by linking to each other with switch board 43 with wire harness that control line 45 is communicated with.
Native system can also be by four groups of heat pump assemblies, or five groups of heat pump assemblies form, or are made up of more groups of heat pump assemblies, and each intrasystem assembling form is identical with the form of the foregoing description.
It in the utility model the evaporimeter that condenser cooling water is input into every group of heat pump assembly, its heat is reclaimed by every group of heat pump assembly, the condenser cooling water that is extracted behind the heat can enter tank, so that as medicinal water or domestic water, and perhaps other water for industrial use; The water inlet pipe input of the water that need in boiler, replenish from first group of heat pump assembly, each is organized heat pump assembly the heat that reclaims from condenser cooling water is promoted step by step at first group of heat pump assembly and second group of heat pump assembly and the later heat pump assembly of respectively organizing respectively, make the water of importing through the water inlet pipe from first group of heat pump assembly after first group of heat pump assembly heats, heat pump assembly of each group heats after it again, is input in the boiler as boiler water-filling after making these water reach satisfactory temperature.
The utility model also can be used for the heating of other liquid; Need the water inlet pipe input of heated liquid from first group of heat pump assembly, the outlet pipe from last group heat pump assembly flows out, and mode of heating is identical with the mode of heating of boiler water-filling.
Claims (3)
1, a kind of Waste Heat Recovery of power plant condenser cooling water and utilize system, comprise at least two group heat pump assemblies, it is characterized in that: form except that first group of heat pump assembly reaches the medium pipeline that is communicated with them by an evaporimeter, a compressor and a condenser, on evaporimeter and medium pipeline that condenser links to each other, expansion valve is housed, expansion valve by capillary be contained in evaporimeter and be connected with point for measuring temperature on the medium pipeline that compressor links to each other; Each group heat pump assembly afterwards all is also to have increased a new medium pipeline, contacted again on this medium pipeline a new compressor and a new condenser except that the structure with last group of heat pump assembly on last condenser of this structure; On the new medium pipeline new expansion valve is housed between new condenser and the former condenser, this expansion valve is connected with point for measuring temperature on the new medium pipeline by a new capillary; This point for measuring temperature is on medium pipeline new between former condenser and the new compressor; Condenser cooling water inlet pipe and outlet pipe all are housed on each evaporimeter in this system, motor-driven valve all is housed on the condenser cooling water inlet pipe; Water inlet pipe is housed on the condenser of first group of heat pump and heats the water outlet pipe, all be equipped with on the condenser that increases newly in each group heat pump assembly afterwards and heat the water water inlet pipe and heat the water outlet pipe, and the water water inlet pipe that heats that heats in water outlet pipe next group heat pump assembly adjacent with it in each group heat pump assembly is connected, and the water outlet pipe that heats in last group heat pump assembly is communicated with boiler; The condenser cooling water inlet pipe all is equipped with force (forcing) pump with heating on the water water inlet pipe; The switch board that links to each other with power line is connected with each compressor, expansion valve, control valve with the power supply wire harness by control line.
2, the Waste Heat Recovery of power plant condenser cooling water according to claim 1 and utilize system, it is characterized in that: in this system, two groups of heat pump assemblies are arranged, second group of heat pump assembly is except that the structure with first group of heat pump assembly, also on condenser, increased a new medium pipeline, contacted again on this medium pipeline a new compressor and a new condenser; The water outlet pipe that heats that is equipped with on the condenser that heats water water inlet pipe and first group of heat pump that is equipped with on the condenser that increases newly in second group of heat pump assembly is connected, and the water outlet pipe that heats that is equipped with on the condenser that increases newly in second group of heat pump assembly is communicated with boiler.
3, the Waste Heat Recovery of power plant condenser cooling water according to claim 1 and utilize system, it is characterized in that: three groups of heat pump assemblies are arranged in this system, the 3rd group of heat pump assembly is except that the structure with second group of heat pump assembly, also on last condenser of this part, increased a new medium pipeline again, contacted again on this medium pipeline a new compressor and a new condenser; The water outlet pipe that heats that is equipped with on the condenser that heats water water inlet pipe and first group of heat pump assembly that is equipped with on the condenser that increases newly in second group of heat pump assembly is connected, the water water inlet pipe that heats in the 3rd group of heat pump assembly is connected with the water outlet pipe that heats in second group of heat pump assembly, and the water outlet pipe that heats in the 3rd group of heat pump assembly is communicated with boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200703755U CN201203102Y (en) | 2008-05-05 | 2008-05-05 | Waste heat recovering and utilizing system of power plant condenser cooling water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200703755U CN201203102Y (en) | 2008-05-05 | 2008-05-05 | Waste heat recovering and utilizing system of power plant condenser cooling water |
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| Publication Number | Publication Date |
|---|---|
| CN201203102Y true CN201203102Y (en) | 2009-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200703755U Expired - Fee Related CN201203102Y (en) | 2008-05-05 | 2008-05-05 | Waste heat recovering and utilizing system of power plant condenser cooling water |
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| Country | Link |
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| CN (1) | CN201203102Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267388A (en) * | 2013-05-28 | 2013-08-28 | 郭少仪 | Efficient and environment-friendly heat pump |
| CN108644747A (en) * | 2018-05-18 | 2018-10-12 | 江苏科技大学 | It is a kind of to utilize super pressure-high temperature vapour system in the generation of dyeing waste water waste heat |
-
2008
- 2008-05-05 CN CNU2008200703755U patent/CN201203102Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267388A (en) * | 2013-05-28 | 2013-08-28 | 郭少仪 | Efficient and environment-friendly heat pump |
| CN103267388B (en) * | 2013-05-28 | 2015-04-15 | 郭少仪 | Efficient and environment-friendly heat pump |
| CN108644747A (en) * | 2018-05-18 | 2018-10-12 | 江苏科技大学 | It is a kind of to utilize super pressure-high temperature vapour system in the generation of dyeing waste water waste heat |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090304 Termination date: 20110505 |