CN202532582U - Waste heat recycle system for circulating water of heating unit - Google Patents
Waste heat recycle system for circulating water of heating unit Download PDFInfo
- Publication number
- CN202532582U CN202532582U CN2012200546040U CN201220054604U CN202532582U CN 202532582 U CN202532582 U CN 202532582U CN 2012200546040 U CN2012200546040 U CN 2012200546040U CN 201220054604 U CN201220054604 U CN 201220054604U CN 202532582 U CN202532582 U CN 202532582U
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- heat
- water
- circulating water
- steam turbine
- pump
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Abstract
The utility model discloses a waste heat recycle system for circulating water of heating unit, which comprises a heat pump (1), a steam turbine five-section extraction pipeline (3), a heating network water supply (4), a steam turbine high pressure deaerator (8), a condenser (10) and a circulating water pipeline inlet pipe (11), wherein the steam turbine five-section extraction pipeline (3), the heating network water supply (4) and the steam turbine high pressure deaerator (8) are connected with the heat pump (1); the condenser (10) is connected with the circulating water pipeline inlet pipe (11); the circulating water pipeline inlet pipe (11) is connected with the heat pump (1); and the heat pump (1) is further provided with heating network backwater (2). The waste heat recycle system extracts low-grade heat from the circulating water and recycles the energy brought away by the circulating water, so as to save energy sources for the country and reduce the pollution to the environment; and a great deal of river water for cooling can be saved every year, therefore, the waste heat recycle system has good economic benefits.
Description
Technical field
The utility model relates to a kind of heat supply unit recirculated water heat recovery system, belongs to reclaim exhaust condensation heat technical field.
Background technology
The energy utilization rate of thermal power plant under the pure condensate operating mode is usually less than 40%; And the comprehensive utilization of energy rate is being arranged under the situation of extraction for heat supply also less than 60%; In the energy of loss; The energy of being taken away by low-temperature circulating water accounts for more than 30% of the total power consumption of power plant, and the energy that low-temperature circulating water is in the past taken away also need cool off with river, and this is a kind of great waste to the energy.
The utility model content
The purpose of the utility model is; A kind of heat supply unit recirculated water heat recovery system is provided, and the low-quality heat that it extracts from recirculated water is recycled the energy that recirculated water is taken away; For country saves the energy; Reduce the pollution of environment simultaneously, can practice thrift a large amount of coolings and use river every year, has good economic benefit.
The technical scheme of the utility model: a kind of heat supply unit recirculated water heat recovery system; Comprise heat pump, five sections extraction lines of steam turbine, heat supply network water supply, turbine high-pressure oxygen-eliminating device, condenser and circulating water pipeline water inlet pipe; Five sections extraction lines of steam turbine, heat supply network supply water, the turbine high-pressure oxygen-eliminating device is connected with heat pump respectively; Condenser links to each other with the circulating water pipeline water inlet pipe, and the circulating water pipeline water inlet pipe is connected with heat pump, also is provided with the heat supply network backwater on the heat pump.Owing to be provided with the heat supply network backwater, can the energy that recirculated water is taken away be recycled once again, for country saves the energy, reduce the pollution of environment simultaneously, can practice thrift a large amount of coolings and use river every year, has good economic benefit.
In the aforesaid this heat supply unit recirculated water heat recovery system, five sections extraction lines of steam turbine and heat pump connecting line are provided with the steam pressure adaptation.Owing to be provided with the steam pressure adaptation, gas volume is diminished, it is big that pressure becomes, and temperature raises but total energy remains unchanged.
In the aforesaid this heat supply unit recirculated water heat recovery system, heat supply network supply water and five sections extraction lines of steam turbine between be provided with heat exchangers for district heating.Owing to be provided with heat exchangers for district heating separately, the heat pump outlet temperature is raise, to satisfy the requirement that heat supply network supplies water at heat supply network water supply line place.
In the aforesaid this heat supply unit recirculated water heat recovery system, the connecting line of turbine high-pressure oxygen-eliminating device and heat pump is provided with drainage pump.Owing to be provided with drainage pump, can higher level's heater condensate be sent in the heater outlet feed pipe at the corresponding levels.
In the aforesaid this heat supply unit recirculated water heat recovery system, the circulating water pipeline water inlet pipe is provided with circulating pump.Owing to be provided with circulating pump, can force hot water to circulate, and cheap, efficient is high, long service life, good anti-vibration has good economic benefit.
Compared with prior art, owing to be provided with the heat supply network backwater, can the energy that recirculated water is taken away be recycled once again, for country saves the energy, reduce the pollution of environment simultaneously, can practice thrift a large amount of coolings and use river every year, has good economic benefit; Owing to be provided with the steam pressure adaptation, make its smaller volume of gas, it is big that pressure becomes, and temperature raises but total energy remains unchanged; Owing to be provided with heat exchangers for district heating separately, the heat pump outlet temperature is raise, to satisfy the requirement that heat supply network supplies water at heat supply network water supply line place; Owing to be provided with drainage pump, can the one-level heater condensate be sent in the heater outlet feed pipe at the corresponding levels; Owing to be provided with circulating pump, can force hot water to circulate, and cheap, efficient is high, long service life, good anti-vibration has good economic benefit.
Description of drawings
Fig. 1 is the system diagram of the utility model.
Being labeled as in the accompanying drawing: the 1-heat pump, 2-heat supply network backwater, five sections extraction lines of 3-steam turbine, the 4-heat supply network supplies water; 5-steam pressure adaptation, 6-heat exchangers for district heating, 7-drainage pump, 8-turbine high-pressure oxygen-eliminating device; The 9-circulating pump, 10-condenser, 11-circulating water pipeline water inlet pipe.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described, but not as the foundation to the utility model restriction.
The embodiment 1 of the utility model: as shown in Figure 1; A kind of heat supply unit recirculated water heat recovery system; Comprise heat pump 1, five sections extraction lines 3 of steam turbine, heat supply network water supply 4, turbine high-pressure oxygen-eliminating device 8, condenser 10 and circulating water pipeline water inlet pipe 11; Five sections extraction lines 3 of steam turbine, heat supply network water supply 4, turbine high-pressure oxygen-eliminating device 8 are connected with heat pump 1 respectively; Condenser 10 links to each other with circulating water pipeline water inlet pipe 11, and circulating water pipeline water inlet pipe 11 is connected with heat pump 1, also is provided with heat supply network backwater 2 on the heat pump 1.
Five sections extraction lines of steam turbine 3 are provided with steam pressure adaptation 5 with heat pump 1 connecting line; Be provided with heat exchangers for district heating 6 between heat supply network water supply 4 and five sections extraction lines 3 of steam turbine; Turbine high-pressure oxygen-eliminating device 8 is provided with drainage pump 7 with the connecting line of heat pump 1, and circulating water pipeline water inlet pipe 11 is provided with circulating pump 9.
The operation principle of the utility model: supply water 4 to heat pump 1 water supply through heat supply network; Owing to consider that temperature does not reach requirement; Connecting heat exchangers for district heating 6 heats; 2 whiles of heat supply network backwater are the thermotropism water supplying pump also, absorbs heat and enters five sections pump-lines 3 of steam turbine, joins steam pressure adaptation 5 on five sections pump-lines 3 of steam turbine.Other hydrophobic getting back to and the corresponding turbine high-pressure oxygen-eliminating device 8 of the unit that draws gas.Water gets into condenser 10 through circulating water pipeline water inlet pipe 11 after absorbing waste heat.
Claims (5)
1. heat supply unit recirculated water heat recovery system; Comprise heat pump (1), five sections extraction lines of steam turbine (3), heat supply network water supply (4), turbine high-pressure oxygen-eliminating device (8), condenser (10) and circulating water pipeline water inlet pipe (11); It is characterized in that: five sections extraction lines of steam turbine (3), heat supply network supply water (4), turbine high-pressure oxygen-eliminating device (8) is connected with heat pump (1) respectively; Condenser (10) links to each other with circulating water pipeline water inlet pipe (11); Circulating water pipeline water inlet pipe (11) is connected with heat pump (1), also is provided with heat supply network backwater (2) on the heat pump (1).
2. a kind of heat supply unit recirculated water heat recovery according to claim 1 system, it is characterized in that: five sections extraction lines of steam turbine (3) are provided with steam pressure adaptation (5) with heat pump (1) connecting line.
3. a kind of heat supply unit recirculated water heat recovery according to claim 1 system is characterized in that: heat supply network supply water (4) and five sections extraction lines of steam turbine (3) between be provided with heat exchangers for district heating (6).
4. a kind of heat supply unit recirculated water heat recovery according to claim 1 system, it is characterized in that: turbine high-pressure oxygen-eliminating device (8) is provided with drainage pump (7) with the connecting line of heat pump (1).
5. a kind of heat supply unit recirculated water heat recovery according to claim 4 system, it is characterized in that: circulating water pipeline water inlet pipe (11) is provided with circulating pump (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200546040U CN202532582U (en) | 2012-02-20 | 2012-02-20 | Waste heat recycle system for circulating water of heating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200546040U CN202532582U (en) | 2012-02-20 | 2012-02-20 | Waste heat recycle system for circulating water of heating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202532582U true CN202532582U (en) | 2012-11-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200546040U Expired - Fee Related CN202532582U (en) | 2012-02-20 | 2012-02-20 | Waste heat recycle system for circulating water of heating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202532582U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678821A (en) * | 2018-05-11 | 2018-10-19 | 华电能源股份有限公司富拉尔基发电厂 | A kind of steam turbine start and stop peak regulation heating system for realizing the decoupling of fired power generating unit thermoelectricity |
| CN111397248A (en) * | 2020-03-30 | 2020-07-10 | 吴巧魁 | Green heat pump refrigerating and heating device applied to working of steam turbine |
-
2012
- 2012-02-20 CN CN2012200546040U patent/CN202532582U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678821A (en) * | 2018-05-11 | 2018-10-19 | 华电能源股份有限公司富拉尔基发电厂 | A kind of steam turbine start and stop peak regulation heating system for realizing the decoupling of fired power generating unit thermoelectricity |
| CN111397248A (en) * | 2020-03-30 | 2020-07-10 | 吴巧魁 | Green heat pump refrigerating and heating device applied to working of steam turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20121114 Termination date: 20170220 |