CN215523481U - Circulation heating system of waste heat water of power plant - Google Patents
Circulation heating system of waste heat water of power plant Download PDFInfo
- Publication number
- CN215523481U CN215523481U CN202121966032.9U CN202121966032U CN215523481U CN 215523481 U CN215523481 U CN 215523481U CN 202121966032 U CN202121966032 U CN 202121966032U CN 215523481 U CN215523481 U CN 215523481U
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- Prior art keywords
- water
- pipe
- heat
- centrifugal
- power plant
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 239000002918 waste heat Substances 0.000 title claims abstract description 33
- 238000010438 heat treatment Methods 0.000 title claims description 12
- 238000011084 recovery Methods 0.000 claims abstract description 34
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 239000000498 cooling water Substances 0.000 claims abstract description 24
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 238000005338 heat storage Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 4
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a circulating heat supply system of waste heat water of a power plant, which comprises a condensate water recovery section, a centrifugal heat pump, a cooling tower, a waste heat temporary storage water tank and a heat exchange section, wherein the centrifugal heat pump is arranged on the condensate water recovery section; the condensed water recovery section is provided with a hot air inlet, an outlet of the condensed water recovery section is connected with the centrifugal heat pump through a cooling water return pipe, a water outlet of the centrifugal heat pump is connected with the cooling tower through a waste heat recovery pipe, an outlet end of the cooling tower is connected with the condensed water recovery section through a cooling water pipe, a hot water outlet end and a waste heat temporary storage water tank of the centrifugal heat pump are respectively communicated with the heat exchange section, and a hot drying air pipe is arranged at the bottom of the heat exchange section. The utility model adopts a centrifugal heat pump unit to recover waste heat, adopts a closed circulating cooling system to condense and dehumidify and simultaneously exchanges heat with hot water to form dry hot air.
Description
Technical Field
The utility model relates to the field related to waste heat utilization of a power plant, in particular to a circulating heat supply system of waste heat water of the power plant.
Background
With the lack of energy sources and the increasing requirements on energy conservation and emission reduction, the comprehensive utilization technology of the energy sources is continuously improved; at present, the utilization of a power plant greatly improves the daily life of people, and for the implementation of the power plant, certain hot gas, hot water and the like can be generated, but the generated hot gas and hot water are also certain resources, so that how to reasonably utilize the generated hot gas, hot water and other resources is a period of constant concern of people in the field at present, and the requirement of energy conservation and emission reduction is met. Some different types of hot water circulation heat supply utilization equipment or systems also appear at present, but for the system of the type, a corresponding heat pump unit is needed, and after water vapor is condensed by a large amount of condensation methods, the hot carrier gas is recycled, so that the operation mode has higher disposal cost; the traditional mode compressor quantity is more, and the coefficient of performance that heats is low, leads to heat energy consumption generally great, and the operation fault rate is high.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a circulation heating system for waste heat water of a power plant; the utility model adopts a centrifugal heat pump unit to recover waste heat, adopts a closed circulating cooling system to condense and dehumidify and simultaneously exchanges heat with hot water to form dry hot air.
The utility model is realized by constructing a circulating heating system of waste heat water of a power plant; comprises a condensate water recovery section, a centrifugal heat pump, a cooling tower, a waste heat temporary storage water tank and a heat exchange section; the condensed water recovery section is provided with a hot air inlet, an outlet of the condensed water recovery section is connected with the centrifugal heat pump through a cooling water return pipe, a water outlet of the centrifugal heat pump is connected with the cooling tower through a waste heat recovery pipe, an outlet end of the cooling tower is connected with the condensed water recovery section through a cooling water pipe, a hot water outlet end and a waste heat temporary storage water tank of the centrifugal heat pump are respectively communicated with the heat exchange section, and a hot drying air pipe is arranged at the bottom of the heat exchange section.
Optimizing; the heat exchange section is provided with a stainless steel shell, and an internal hot water pipe and an internal dry air pipe which are distributed in a staggered manner are arranged in the heat exchange section; the other output end of the condensed water recovery section is communicated with an inner dry air pipe through an outer dry air pipe, and the output end of the inner dry air pipe is communicated with the dry hot air pipe; the hot water outlet end of the centrifugal heat pump and the temporary residual heat storage water tank are respectively communicated with the internal hot water pipe.
Optimizing; the internal hot water pipe is communicated with an external water return pipe to form a centrifugal heat pump.
Optimizing; the water return pipe is provided with a first circulating water pump.
Optimizing; and a second circulating water pump is arranged on the cooling water pipe.
Optimizing; the cooling water return pipe, the residual heat recovery pipe and the cooling water pipe are respectively stainless steel pipes.
Optimizing; the other output port of the condensed water recovery section is externally connected with a condensed water external drainage pipe.
The utility model provides a circulating heat supply system of waste heat water of a power plant, which has the following advantages: when the system is implemented, firstly, hot humid air generated by a power plant enters a condensate recovery section through a hot air inlet, the whole system adopts a closed system, cooling tower outlet water (30-32 ℃) is lifted to the condensate recovery section through a circulating water pump, the hot humid air is condensed and dehumidified, the temperature of cooling water is raised, outlet water corresponding to a cooling water return pipe is kept at 40-42 ℃ and flows back to a centrifugal heat pump unit, after waste heat is recovered by the centrifugal heat pump unit, the temperature of the water is lowered, the temperature of the outlet water of the residual heat pipe is 36-38 ℃ and is reduced to the cooling tower, the temperature of the outlet water of the cooling tower is 30-32 ℃, circulating cooling water is recycled in the way, in addition, hot water generated by the power plant is temporarily stored in a waste heat temporary water storage tank, the hot water enters a heat exchange section, and dry hot air is output for use after heat exchange. The utility model adopts the centrifugal heat pump unit to recover waste heat and adopts the closed circulating cooling system to condense and dehumidify, thereby reducing the corresponding operating cost.
Drawings
FIG. 1 is a block diagram of a system for implementing the present invention.
Wherein: the device comprises a condensate water recovery section 1, a hot gas inlet 1A, a centrifugal heat pump 2, a cooling tower 3, a waste heat temporary storage water tank 4, a heat exchange section 5, a stainless steel shell 5A, an internal hot water pipe 5B, an internal dry air pipe 5C, a cooling water return pipe 6, a recovered waste heat pipe 7, a cooling water pipe 8, a dry hot air pipe 9, an external dry air pipe 10, a water return pipe 11, a first circulating water pump 12, a second circulating water pump 13 and a condensate water external discharge pipe 14.
Detailed Description
The present invention will be described in detail with reference to fig. 1, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the utility model provides a circulation heating system of waste heat water of a power plant by improvement, which comprises a condensate water recovery section 1, a centrifugal heat pump 2, a cooling tower 3, a waste heat temporary storage water tank 4 and a heat exchange section 5; the condensed water recovery section 1 is provided with a hot air inlet 1A, an outlet of the condensed water recovery section 1 is connected with the centrifugal heat pump 2 through a cooling water return pipe 6, a water outlet of the centrifugal heat pump 2 is connected with the cooling tower 3 through a recovered residual heat pipe 7, an outlet end of the cooling tower 3 is connected with the condensed water recovery section 1 through a cooling water pipe 8, a hot water outlet end and a residual heat temporary storage water tank 4 of the centrifugal heat pump 2 are respectively communicated with the heat exchange section 5, and a dry hot air pipe 9 is arranged at the bottom of the heat exchange section 5.
When the utility model is implemented; the heat exchange section 5 is provided with a stainless steel shell 5A, and an internal hot water pipe 5B and an internal dry air pipe 5C which are distributed in a staggered manner are arranged in the heat exchange section 5; the other output end of the condensed water recovery section 1 is communicated with an inner dry air pipe 5C through an outer dry air pipe 10, and the output end of the inner dry air pipe 5C is communicated with a dry hot air pipe 9; the hot water outlet end of the centrifugal heat pump 2 and the temporary residual heat storage water tank 4 are respectively communicated with the internal hot water pipe 5B.
When the utility model is implemented; the internal hot water pipe 5B is communicated with an external water return pipe 11 to the centrifugal heat pump 2.
When the utility model is implemented; the water return pipe 11 is provided with a first circulating water pump 12.
When the utility model is implemented; a second circulating water pump 13 is arranged on the cooling water pipe 8.
When the utility model is implemented; the cooling water return pipe 6, the residual heat recovery pipe 7 and the cooling water pipe 8 are respectively stainless steel pipes.
When the utility model is implemented; the other outlet of the condensed water recovery section 1 is externally connected with a condensed water external drainage pipe 14.
The working principle of the utility model is as follows:
the wet hot air generated by the power plant enters the condensate recovery section 1 through the hot air inlet 1A, the whole system adopts a closed system, the cooling tower outlet water (30-32 ℃) is lifted to the condensate recovery section through a circulating water pump, the wet hot air is condensed and dehumidified, the cooling water temperature is raised, the outlet water corresponding to the cooling water return pipe 6 is kept at 40-42 ℃ and flows back to the centrifugal heat pump unit, after the centrifugal heat pump unit recovers waste heat, the water temperature is lowered, the outlet water of the waste heat pipe 7 is recovered to 36-38 ℃ and cooled to the cooling tower, the cooling tower outlet water temperature is 30-32 ℃, the circulating cooling water is recycled in such a way, in addition, the hot water generated by the power plant is temporarily stored in the waste heat temporary storage water tank 4, the hot water enters the heat exchange section 5, and dry hot air is output for use after heat exchange.
In conclusion, the centrifugal heat pump unit is adopted for waste heat recovery, and the closed circulating cooling system is adopted for condensation and dehumidification, so that the corresponding operating cost is reduced.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A circulation heating system of waste heat water of a power plant is characterized in that; comprises a condensate water recovery section (1), a centrifugal heat pump (2), a cooling tower (3), a waste heat temporary storage water tank (4) and a heat exchange section (5); wherein:
condensate recovery section (1) has steam inlet port (1A), centrifugal heat pump (2) is connected through cooling wet return (6) to the delivery outlet of condensate recovery section (1), the delivery port of centrifugal heat pump (2) is connected through retrieving waste heat pipe (7) and is led to cooling tower (3), the exit end of cooling tower (3) is connected through condensate recovery section (1) through cooling water pipe (8), the play hot water end and waste heat of centrifugal heat pump (2) keep in water tank (4) and communicate heat exchange section (5) respectively, the bottom of heat exchange section (5) sets up dry hot air pipe (9).
2. A circulation heating system of residual heat water of a power plant according to claim 1, characterized in that; the heat exchange section (5) is provided with a stainless steel shell (5A), and internally provided with internal hot water pipes (5B) and internal dry air pipes (5C) which are distributed in a staggered manner; the other output end of the condensed water recovery section (1) is communicated with an inner dry air pipe (5C) through an outer dry air pipe (10), and the output end of the inner dry air pipe (5C) is communicated with the dry hot air pipe (9); the hot water outlet end of the centrifugal heat pump (2) and the temporary residual heat storage water tank (4) are respectively communicated with the internal hot water pipe (5B).
3. A circulation heating system of waste heat water of a power plant according to claim 2, characterized in that; the internal hot water pipe (5B) is communicated with an external water return pipe (11) to form the centrifugal heat pump (2).
4. A circulation heating system of residual heat water of a power plant according to claim 3, characterized in that; and a first circulating water pump (12) is arranged on the water return pipe (11).
5. A circulation heating system of residual heat water of a power plant according to claim 1, characterized in that; and a second circulating water pump (13) is arranged on the cooling water pipe (8).
6. A circulation heating system of residual heat water of a power plant according to claim 1, characterized in that; and the cooling water return pipe (6), the residual heat recovery pipe (7) and the cooling water pipe (8) are stainless steel pipes respectively.
7. A circulation heating system of waste heat water of a power plant according to claim 1 or 2, characterized in that; and the other output port of the condensed water recovery section (1) is externally connected with a condensed water external drainage pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121966032.9U CN215523481U (en) | 2021-08-20 | 2021-08-20 | Circulation heating system of waste heat water of power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121966032.9U CN215523481U (en) | 2021-08-20 | 2021-08-20 | Circulation heating system of waste heat water of power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215523481U true CN215523481U (en) | 2022-01-14 |
Family
ID=79792263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121966032.9U Expired - Fee Related CN215523481U (en) | 2021-08-20 | 2021-08-20 | Circulation heating system of waste heat water of power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215523481U (en) |
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2021
- 2021-08-20 CN CN202121966032.9U patent/CN215523481U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220114 |