CN205744025U - Power plant's unboiled water and demineralized water utilize exhaust steam heating system - Google Patents
Power plant's unboiled water and demineralized water utilize exhaust steam heating system Download PDFInfo
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- CN205744025U CN205744025U CN201620581306.5U CN201620581306U CN205744025U CN 205744025 U CN205744025 U CN 205744025U CN 201620581306 U CN201620581306 U CN 201620581306U CN 205744025 U CN205744025 U CN 205744025U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 138
- 238000010438 heat treatment Methods 0.000 title claims abstract description 11
- 239000000126 substance Substances 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 2
- 230000003020 moisturizing effect Effects 0.000 abstract 2
- 239000013589 supplement Substances 0.000 abstract 1
- 239000002918 waste heat Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model proposes a kind of power plant's unboiled water and demineralized water utilizes exhaust steam heating system, the blow-off line being connected with steam turbine is divided into two branch roads: the end of the first branch road is separated into two-way, being connected with air cooling heat radiator, soda pop convergence device respectively, soda pop convergence device is connected with condensing water conduit；Second branch road is connected with vapor-water heat exchanger, and vapor-water heat exchanger is connected with condensing water conduit；The side of vapor-water heat exchanger is connected with unboiled water moisturizing pipeline, and its opposite side is connected with outlet conduit；Soda pop convergence device is provided with demineralized water nozzle, and demineralized water moisturizing pipeline is connected with demineralized water nozzle.This utility model utilizes exhaust steam in steam turbine heat make-up coolant-temperature gage to about 25 DEG C, processes to chemical water workshop, can save a large amount of steam and energy, reduces the loss of exhaust steam heat dissipation；Demineralized water after unboiled water process, supplements to condensate system, absorbs part exhaust steam latent heat, reduces exhaust steam emission loss, energy-saving and emission-reduction.
Description
Technical Field
The utility model relates to a retrieve exhaust steam waste heat technical field, especially indicate a power plant's raw water and demineralized water utilize exhaust steam heating system.
Background
At present, a large amount of dead steam can be generated in the production process of a steam turbine of a power plant, and the heat of the dead steam is directly discharged to the atmosphere in a circulating water cooling or air cooler heat dissipation mode, so that energy waste can be caused. Under the normal work of the unit, after the back pressure is raised, the waste steam is still abundant except for being effectively utilized, so that the waste steam is utilized, and the waste heat loss of the waste steam is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a power plant's raw water and demineralized water utilize exhaust steam heating system has solved the great problem of exhaust steam waste heat loss among the prior art.
The technical scheme of the utility model is realized like this:
a power plant raw water and demineralized water utilization dead steam heating system comprises: the system comprises a steam turbine, a steam exhaust pipeline, an air cooling radiator, a steam-water collector, a demineralized water replenishing pipeline, a demineralized water nozzle, a steam-water heat exchanger, a raw water replenishing pipeline, a condensed water pipeline and a water outlet pipeline leading to a chemical water treatment workshop; wherein, the exhaust steam pipeline that one end is connected with the steam turbine, its other end falls into two branches: the tail end of the first branch is divided into two paths which are respectively connected with the air-cooled radiator and the steam-water junction device, the steam-water junction device is connected with the condensed water pipeline, and valves are arranged on pipelines at two ends of the steam-water junction device and a pipeline on one side of the air-cooled radiator; the tail end of the second branch is connected with a steam-water heat exchanger, the steam-water heat exchanger is connected with a condensed water pipeline, and valves are arranged on pipelines at two ends of the steam-water heat exchanger; one side of the steam-water heat exchanger is connected with a raw water replenishing pipeline provided with a valve, and the other side of the steam-water heat exchanger is connected with a water outlet pipeline provided with a valve; the steam-water collector is provided with a desalted water nozzle, and the desalted water replenishing pipeline is connected with the desalted water nozzle.
As a further improvement of the utility model, the demineralized water nozzle is positioned at the top of the steam-water collector or at the side of the upper part of the steam-water collector.
The utility model has the advantages that: the temperature of the incoming water of the winter-season water make-up water is low, generally between 0 and 5 ℃, and the temperature of the make-up water is heated to about 25 ℃ by using the exhaust steam of the steam turbine, and the make-up water is sent to a chemical water workshop for treatment to replace a raw water heater, so that a large amount of steam and energy can be saved, and the heat emission loss of the exhaust steam is reduced; the desalted water after raw water treatment is supplemented to a condensate system, the temperature of the desalted water is about 25 ℃, the desalted water is directly sprayed to a steam-water junction device, partial latent heat of exhaust steam is absorbed, exhaust steam emission loss is reduced, energy is saved, emission is reduced, economic benefits and social benefits of a power plant are improved, and emission of sulfur dioxide, carbon dioxide, nitric oxide and smoke dust is reduced; the waste heat of the steam turbine exhaust is effectively recycled, and the heat efficiency of the power plant is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a system for heating raw water and demineralized water in a power plant by using dead steam in the embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to FIG. 1, a schematic diagram of a power plant raw water and desalinated water utilizing dead steam heating system is shown, according to some demonstrative embodiments.
The power plant raw water and demineralized water utilizing dead steam heating system in the illustrative embodiment includes: the system comprises a steam turbine 10, a steam exhaust pipeline, an air cooling radiator 2, a steam-water collector 3, a demineralized water replenishing pipeline 4, a demineralized water nozzle 5, a steam-water heat exchanger 6, a raw water replenishing pipeline 7, a condensed water pipeline 8 and a water outlet pipeline 9 leading to a chemical water treatment workshop; wherein,
the exhaust steam pipeline that one end is connected with steam turbine 10, its other end divides into two branches: the tail end of the first branch 11 is divided into two paths which are respectively connected with the air-cooled radiator 2 and the steam-water collector 3, the steam-water collector 3 is connected with the condensed water pipeline 8, and the pipelines at two ends of the steam-water collector 3 and the pipeline at one side of the air-cooled radiator 2 are respectively provided with a valve; the tail end of the second branch 12 is connected with a steam-water heat exchanger 6, the steam-water heat exchanger 6 is connected with a condensed water pipeline 8, and valves are arranged on pipelines at two ends of the steam-water heat exchanger 6;
One side of the steam-water heat exchanger 6 is connected with a raw water replenishing pipeline 7 provided with a valve, and the other side of the steam-water heat exchanger is connected with a water outlet pipeline 9 provided with a valve;
the steam-water collector 3 is provided with a desalted water nozzle 5, and the desalted water replenishing pipeline 4 is connected with the desalted water nozzle 5.
Preferably, the demineralized water nozzle 5 is located at the top of the catch 3 or at the side of the upper portion of the catch 3.
In the embodiment, the temperature of the incoming water of the winter season water replenishing water is low, generally between 0 and 5 ℃, and the temperature of the replenishing water is heated to about 25 ℃ by using the exhaust steam of the steam turbine, and the replenishing water is sent to a chemical water workshop for treatment to replace a raw water heater, so that a large amount of steam and energy can be saved, and the heat emission loss of the exhaust steam is reduced; the desalted water after raw water treatment is supplemented to a condensate system, the temperature of the desalted water is about 25 ℃, the desalted water is directly sprayed to a steam-water junction device, partial latent heat of exhaust steam is absorbed, exhaust steam emission loss is reduced, energy is saved, emission is reduced, economic benefits and social benefits of a power plant are improved, and emission of sulfur dioxide, carbon dioxide, nitric oxide and smoke dust is reduced; the waste heat of the steam turbine exhaust is effectively recycled, and the heat efficiency of the power plant is improved.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a power plant's raw water and demineralized water utilize exhaust steam heating system which characterized in that includes: the system comprises a steam turbine (10), a steam exhaust pipeline, an air cooling radiator (2), a steam-water collector (3), a demineralized water replenishing pipeline (4), a demineralized water nozzle (5), a steam-water heat exchanger (6), a raw water replenishing pipeline (7), a condensed water pipeline (8) and a water outlet pipeline (9) leading to a chemical water treatment workshop; wherein,
the steam exhaust pipeline that one end and steam turbine (10) are connected, its other end divides into two branches: the tail end of the first branch (11) is divided into two paths and is respectively connected with the air-cooled radiator (2) and the steam-water collector (3), the steam-water collector (3) is connected with the condensed water pipeline (8), and valves are arranged on pipelines at two ends of the steam-water collector (3) and a pipeline on one side of the air-cooled radiator (2); the tail end of the second branch (12) is connected with a steam-water heat exchanger (6), the steam-water heat exchanger (6) is connected with a condensed water pipeline (8), and valves are arranged on pipelines at two ends of the steam-water heat exchanger (6);
one side of the steam-water heat exchanger (6) is connected with a raw water replenishing pipeline (7) provided with a valve, and the other side of the steam-water heat exchanger is connected with a water outlet pipeline (9) provided with a valve;
the steam-water collector (3) is provided with a desalted water nozzle (5), and the desalted water replenishing pipeline (4) is connected with the desalted water nozzle (5).
2. The power plant raw water and demineralized water dead steam heating system according to claim 1, characterized in that the demineralized water nozzle (5) is positioned at the top of the steam-water collector (3) or at the side of the upper part of the steam-water collector (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620581306.5U CN205744025U (en) | 2016-06-15 | 2016-06-15 | Power plant's unboiled water and demineralized water utilize exhaust steam heating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620581306.5U CN205744025U (en) | 2016-06-15 | 2016-06-15 | Power plant's unboiled water and demineralized water utilize exhaust steam heating system |
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| CN205744025U true CN205744025U (en) | 2016-11-30 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395547A (en) * | 2018-12-21 | 2019-03-01 | 聊城信源集团有限公司 | A kind of chemical demineralizing water and flue gas desulfurization total system and its application method |
| CN110849192A (en) * | 2019-11-22 | 2020-02-28 | 陕西北元化工集团股份有限公司 | Method for recycling byproduct steam of hydrogen chloride synthesis furnace |
| CN111779551A (en) * | 2020-05-18 | 2020-10-16 | 华电电力科学研究院有限公司 | Anti-freezing system and method for cold end of steam turbine when low-pressure cylinder of air cooling unit is cut off |
| CN112762637A (en) * | 2021-01-28 | 2021-05-07 | 西安热工研究院有限公司 | Absorption heat pump waste heat recovery device and method driven by auxiliary steam |
-
2016
- 2016-06-15 CN CN201620581306.5U patent/CN205744025U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395547A (en) * | 2018-12-21 | 2019-03-01 | 聊城信源集团有限公司 | A kind of chemical demineralizing water and flue gas desulfurization total system and its application method |
| CN110849192A (en) * | 2019-11-22 | 2020-02-28 | 陕西北元化工集团股份有限公司 | Method for recycling byproduct steam of hydrogen chloride synthesis furnace |
| CN111779551A (en) * | 2020-05-18 | 2020-10-16 | 华电电力科学研究院有限公司 | Anti-freezing system and method for cold end of steam turbine when low-pressure cylinder of air cooling unit is cut off |
| CN111779551B (en) * | 2020-05-18 | 2022-06-07 | 华电电力科学研究院有限公司 | Anti-freezing system and method for cold end of steam turbine when low-pressure cylinder of air cooling unit is cut off |
| CN112762637A (en) * | 2021-01-28 | 2021-05-07 | 西安热工研究院有限公司 | Absorption heat pump waste heat recovery device and method driven by auxiliary steam |
| CN112762637B (en) * | 2021-01-28 | 2024-02-20 | 西安热工研究院有限公司 | Absorption heat pump waste heat recovery device and method driven by auxiliary steam |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170215 Address after: The development of road 030006 Shanxi city of Taiyuan province high tech Development Zone No. 48 New Island Technology Park E block 3 layer Patentee after: Shanxi Zhangze Power Saving Technology Co Ltd Address before: 030001 Yingze street, Shanxi, Taiyuan, 255 Patentee before: Lu Bin |
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| TR01 | Transfer of patent right |
Effective date of registration: 20170711 Address after: 030006 Shanxi province Taiyuan city district and State Road No. 199 Building 1 room 901 9 Patentee after: Shanxi Zheng He thermoelectric Engineering Co., Ltd. Address before: The development of road 030006 Shanxi city of Taiyuan province high tech Development Zone No. 48 New Island Technology Park E block 3 layer Patentee before: Shanxi Zhangze Power Saving Technology Co Ltd |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20190615 |
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| CF01 | Termination of patent right due to non-payment of annual fee |