CN218206812U - Comprehensive steam recycling system - Google Patents
Comprehensive steam recycling system Download PDFInfo
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- CN218206812U CN218206812U CN202222944909.5U CN202222944909U CN218206812U CN 218206812 U CN218206812 U CN 218206812U CN 202222944909 U CN202222944909 U CN 202222944909U CN 218206812 U CN218206812 U CN 218206812U
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Abstract
The utility model discloses a steam comprehensive recycling system, which comprises a steam expansion generator, an ORC expansion generator, a heat exchange assembly, a condenser, a working medium pump, a heat supply station and a condensation water tank; the ORC expansion generator is connected with the condenser through a first working medium pipeline, the condenser is connected with the heat exchange assembly through a second working medium pipeline, the working medium pump is arranged on the second working medium pipeline, and the heat exchange assembly is connected with the ORC expansion generator through a third working medium pipeline; the export of steam expansion generator links to each other with heat exchange assemblies through first steam conduit, is connected with second steam conduit on the first steam conduit, and second steam conduit links to each other with the heat supply entry of heating plant, and the heat supply export of heating plant links to each other with the condensate tank through first water pipeling, is connected with second water pipeling on the first water pipeling, and second water pipeling links to each other with heat exchange assemblies. The advantages are that: the steam is comprehensively recycled, the waste heat in the steam is effectively recycled for power supply and heat supply, the water loss is reduced, and the derived water treatment cost is reduced.
Description
Technical Field
The utility model relates to an industry waste heat recovery utilizes technical field, especially relates to a recovery and utilization system is synthesized to steam.
Background
At present, in high-energy-consumption industries such as chemical industry, metallurgy, cement and the like, huge heat energy is generated in the normal process production process and needs to be directly discharged to the atmospheric environment through various cooling implementations (such as cooling towers, air coolers and the like), so that a large amount of waste heat is wasted, a large amount of electric energy is consumed, and considerable water loss and derived water treatment cost are accompanied.
Steam is a common waste heat resource, and can be used for direct power generation and heat supply. However, the demand for electricity and heat in different seasons is different in energy consumption units, and the existing steam recovery system cannot meet the demand for electricity and heat in different seasons.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a recycle system is synthesized to steam to solve the aforementioned problem that exists among the prior art.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a steam comprehensive recycling system comprises a steam expansion generator, an ORC expansion generator, a heat exchange assembly, a condenser, a working medium pump, a heat supply station and a condensation water tank; the ORC expansion generator is connected with a condenser through a first working medium pipeline, the condenser is connected with the heat exchange assembly through a second working medium pipeline, the working medium pump is arranged on the second working medium pipeline, and the heat exchange assembly is connected with the ORC expansion generator through a third working medium pipeline; steam gets into by steam expansion generator's entry, steam expansion generator's export links to each other with heat exchange assemblies through first steam conduit, be connected with second steam conduit on the first steam conduit, second steam conduit with the heat supply entry of heat supply station links to each other, the heat supply export of heat supply station links to each other with the condensate tank through first water pipeling, be connected with second water pipeling on the first water pipeling, second water pipeling with heat exchange assemblies links to each other.
Preferably, an ORC inlet valve is arranged on the first steam pipeline; the connection point of the second steam duct to the first steam duct is located upstream of the ORC inlet valve in the direction of steam flow inside the first steam duct.
Preferably, the second steam pipeline is provided with a heat supply inlet valve.
Preferably, a heat supply outlet valve is arranged on the first water pipeline; and in the flow direction of water flow in the first water pipeline, the connection point of the second water pipeline and the first water pipeline is positioned at the downstream of the heat supply outlet valve.
Preferably, the second water conduit is provided with an ORC outlet valve.
Preferably, the heat exchange assembly comprises an evaporator and a preheater, and the evaporator is connected with the preheater through a fourth working medium pipeline and a third steam pipeline; the evaporator is connected with the ORC expansion generator and the steam expansion generator through a third working medium pipeline and a first steam pipeline respectively; the preheater is respectively connected with the condenser and the first water pipeline through a second working medium pipeline and a second water pipeline.
Preferably, a water inlet and a water outlet of the heat supply station are respectively connected with a heat supply return pipe and a heat supply water supply pipe.
Preferably, the condensate tank is connected with a condensate pipe, and the condensate pipe is connected with a condensate pump.
Preferably, a cooling water inlet pipe and a cooling water outlet pipe are respectively connected to a water inlet and a water outlet of the condenser.
The utility model has the advantages that: 1. the steam is comprehensively recycled, the waste heat in the steam is effectively recycled for power supply and heat supply, the water loss is reduced, and the derived water treatment cost is reduced. 2. The two modes of a heat supply power supply mode and a pure power supply mode in the recycling system can be switched according to different electricity and heat demands of energy consumption units in different seasons, so that the electricity and heat demands in different seasons are met.
Drawings
Fig. 1 is a schematic structural diagram of a recycling system in an embodiment of the present invention.
In the figure: 1. steam; 2. supplying heat and water; 3. supplying heat and returning water; 4. cooling water; 5. a steam expansion generator; 6. a heat supply station; 7. a condensation water tank; 8. a condensate pump; 9. a working medium pump; 10. a preheater; 11. an evaporator; 12. an ORC expansion generator; 13. a condenser; 14. a heat supply inlet valve; 15. a heat supply outlet valve; 16. an ORC inlet valve; 17. an ORC outlet valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
As shown in fig. 1, the present embodiment provides a steam comprehensive recycling system, which includes a heat supply station 6, a steam expansion generator 5, an ORC expansion generator 12, a heat exchange assembly, a condenser 13, a working medium pump 9, and a condensation water tank 7; the ORC expansion generator 12 is connected with a condenser 13 through a first working medium pipeline, the condenser 13 is connected with the heat exchange assembly through a second working medium pipeline, the working medium pump 9 is arranged on the second working medium pipeline, and the heat exchange assembly is connected with the ORC expansion generator 12 through a third working medium pipeline; steam 1 gets into by steam expansion generator 5's entry, steam expansion generator 5's export links to each other with heat exchange assemblies through first steam conduit, be connected with second steam conduit on the first steam conduit, second steam conduit with heat supply station 6's heat supply entry links to each other, heat supply station 6's heat supply export links to each other with condensation water tank 7 through first water pipeling, be connected with second water pipeling on the first water pipeling, second water pipeling with heat exchange assemblies links to each other.
The recycling system comprises a steam direct expansion power generation system, an ORC power generation system, a heat supply system and a water condensation system; the following description is made for these four systems, respectively:
1. steam direct-expansion power generation system
The system comprises a steam expansion generator 5, a first steam pipeline, a second steam pipeline and a valve arranged on the pipelines; the steam 1 enters the steam expansion generator 5 through an inlet thereof to release heat so as to realize power generation, and the steam 1 after heat release enters the ORC power generation system and the heat supply system through the first steam pipeline and the second steam pipeline respectively.
An ORC inlet valve 16 is arranged on the first steam pipeline; the connection point of the second steam pipe to the first steam pipe is located upstream of the ORC inlet valve 16 in the direction of the flow of steam 1 inside the first steam pipe. And a heat supply inlet valve 14 is arranged on the second steam pipeline.
2. ORC power generation system
The system comprises an ORC expansion generator 12, a heat exchange assembly, a first working medium pipeline, a condenser 13, a second working medium pipeline, a working medium pump 9, an evaporator 11, a preheater 10, a third working medium pipeline, a fourth working medium pipeline, a third steam pipeline and an organic working medium.
The heat exchange assembly comprises an evaporator 11 and a preheater 10, and the evaporator 11 is connected with the preheater 10 through a fourth working medium pipeline and a third steam pipeline; the evaporator 11 is respectively connected with the ORC expansion generator 12 and the steam expansion generator 5 through a third working medium pipeline and a first steam pipeline; the preheater 10 is respectively connected with the condenser 13 and the first water pipeline through a second working medium pipeline and a second water pipeline.
And a water inlet and a water outlet of the condenser 13 are respectively connected with a cooling water 4 inlet pipe and a cooling water 4 outlet pipe.
The steam 1 output after acting by the steam expansion generator 5 enters the evaporator 11 through the first steam pipeline, and then enters the preheater 10 through the third steam pipeline to heat the organic working medium, the heated organic working medium is changed into a gaseous organic working medium, and then enters the ORC expansion generator 12 to act and supply power to the outside, the gaseous organic working medium after acting is condensed into a liquid organic working medium by the condenser 13 and returns to the working medium pump 9, and then enters the preheater 10 and the evaporator 11 again under the driving of the working medium pump 9 to exchange heat and change into the gaseous organic working medium, so that thermodynamic cycle is realized.
The heat released by the steam 1 in the first steam pipeline is heated by the liquid organic working medium to form condensed water, and the condensed water enters the condensed water system through the second water pipeline.
The condenser 13 may be an evaporative condenser or an air-cooled condenser, and may be selected according to actual conditions so as to better meet actual requirements.
3. Heating system
Comprises a heat supply station 6, a first water pipeline, a second water pipeline, a relevant valve, and a heat supply water return pipe and a heat supply water supply pipe which are respectively connected with a water inlet and a water outlet of the heat supply station 6.
A heat supply outlet valve 15 is arranged on the first water pipeline; the connection point of the second water conduit to the first water conduit is located downstream of the heating outlet valve 15 in the direction of flow of the water flow inside the first water conduit. The second water conduit is provided with an ORC outlet valve 17.
Steam 1 in the second steam pipeline enters the heat supply station 6 to exchange heat with water in the heat supply station 6, and the condensed water enters the water condensing system through the first water pipeline. The heat supply backwater 3 enters the heat supply station 6, absorbs the heat of the steam 1, then the temperature rises, and then the heat supply station 6 is left to become the heat supply water 2.
4. Water condensing system
Comprises a condensate tank 7, a condensate pump 8 and related pipelines. And a condensate pipe is connected to the condensate tank 7, and a condensate pump 8 is connected to the condensate pipe.
The steam 1 in the first steam pipeline and the second steam pipeline is changed into water after being released by the heat supply system and the ORC power generation system, and the water is converged into the condensed water tank 7 for storage through the first water pipeline and the second water pipeline respectively, and is sent out through a condensed water pump 8 on the condensed water pipe.
In this embodiment, the recycling system includes two working modes, which are a power supply and heat supply mode and a pure power supply mode, and the two working modes can be switched according to actual conditions.
1. Heating and power supply mode
This modality is typically operated during winter heating. In this mode, the heating inlet valve 14 and heating outlet valve 15 are open, and the ORC inlet valve 16 and ORC outlet valve 17 are closed.
Steam 1 enters a steam expansion generator 5, enters a heat supply station 6 through a second steam pipeline after power generation, becomes condensed water after heat release, enters a condensed water tank 7 through a first water pipeline, and is sent out through a condensed water pump 8.
The heat supply backwater 3 enters the heat supply station 6 from a heat supply backwater pipe through a water inlet of the heat supply station 6, the temperature rises after the heat of the steam 1 is absorbed, and the heat supply backwater becomes heat supply water 2 which leaves the heat supply station 6 from a heat supply water supply pipe through a water outlet of the heat supply station 6.
2. Pure power supply mode
This mode is typically operated without heating requirements. In this mode, heating inlet valve 14 and heating outlet valve 15 are closed and ORC inlet valve 16 and ORC outlet valve 17 are open.
The steam 1 enters the steam expansion generator 5, enters the evaporator 11 through the first steam pipeline after power generation, enters the preheater 10 through the third steam pipeline, becomes condensed water after heat release, converges to the first water pipeline through the second water pipeline, enters the condensed water tank 7, and is sent out through the condensed water pump 8.
The liquid organic working medium is driven by the working medium pump 9, enters the preheater 10 through the second working medium pipeline, enters the evaporator 11 through the fourth working medium pipeline to become a gaseous working medium, the gaseous working medium enters the ORC expansion generator 12 through the third working medium pipeline to do work and supply power to the outside, the gaseous working medium after doing work enters the condenser 13 through the first working medium pipeline to be condensed into the liquid working medium, and returns to the working medium pump 9 to complete thermodynamic cycle.
And sending the cooling water 4 into a condenser 13 of the ORC power generation system to cool the organic working medium in the ORC power generation system.
Through adopting the utility model discloses an above-mentioned technical scheme has obtained following profitable effect:
the utility model provides a recycle system is synthesized to steam, this recycle system can synthesize recycle to steam, and the waste heat in the effective recovery steam is used for power supply and heat supply, reduces the moisture loss to and the water treatment cost who derives. This recycle system can switch two kinds of modals of heat supply power mode and pure power supply mode among the recycle system according to the power consumption unit with the power consumption heat demand difference when different seasons to satisfy the power consumption heat demand of different seasons.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.
Claims (9)
1. The utility model provides a recycle system is synthesized to steam which characterized in that: the system comprises a steam expansion generator, an ORC expansion generator, a heat exchange assembly, a condenser, a working medium pump, a heat supply station and a condensation water tank; the ORC expansion generator is connected with a condenser through a first working medium pipeline, the condenser is connected with the heat exchange assembly through a second working medium pipeline, the working medium pump is arranged on the second working medium pipeline, and the heat exchange assembly is connected with the ORC expansion generator through a third working medium pipeline; steam gets into by steam expansion generator's entry, steam expansion generator's export links to each other with heat exchange assemblies through first steam conduit, be connected with second steam conduit on the first steam conduit, second steam conduit with the heat supply entry of heat supply station links to each other, the heat supply export of heat supply station links to each other with the condensate tank through first water pipeling, be connected with second water pipeling on the first water pipeling, second water pipeling with heat exchange assemblies links to each other.
2. The steam comprehensive recycling system according to claim 1, wherein: an ORC inlet valve is arranged on the first steam pipeline; the connection point of the second steam pipe to the first steam pipe is located upstream of the ORC inlet valve in the direction of steam flow inside the first steam pipe.
3. The comprehensive steam recycling system according to claim 2, wherein: and a heat supply inlet valve is arranged on the second steam pipeline.
4. The steam comprehensive recycling system according to claim 1, wherein: a heat supply outlet valve is arranged on the first water pipeline; and in the flowing direction of the water flow in the first water pipeline, the connection point of the second water pipeline and the first water pipeline is positioned at the downstream of the heat supply outlet valve.
5. The steam comprehensive recycling system of claim 4, wherein: and an ORC outlet valve is arranged on the second water pipeline.
6. The steam comprehensive recycling system according to claim 1, wherein: the heat exchange assembly comprises an evaporator and a preheater, and the evaporator is connected with the preheater through a fourth working medium pipeline and a third steam pipeline; the evaporator is connected with the ORC expansion generator and the steam expansion generator through a third working medium pipeline and a first steam pipeline respectively; the preheater is respectively connected with the condenser and the first water pipeline through a second working medium pipeline and a second water pipeline.
7. The comprehensive steam recycling system according to claim 1, wherein: and a water inlet and a water outlet of the heat supply station are respectively connected with a heat supply return pipe and a heat supply water supply pipe.
8. The steam comprehensive recycling system according to claim 1, wherein: the condensate tank is connected with a condensate pipe, and the condensate pipe is connected with a condensate pump.
9. The steam comprehensive recycling system according to claim 1, wherein: and a cooling water inlet pipe and a cooling water outlet pipe are respectively connected to the water inlet and the water outlet of the condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222944909.5U CN218206812U (en) | 2022-11-04 | 2022-11-04 | Comprehensive steam recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222944909.5U CN218206812U (en) | 2022-11-04 | 2022-11-04 | Comprehensive steam recycling system |
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| Publication Number | Publication Date |
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| CN218206812U true CN218206812U (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222944909.5U Active CN218206812U (en) | 2022-11-04 | 2022-11-04 | Comprehensive steam recycling system |
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| CN (1) | CN218206812U (en) |
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- 2022-11-04 CN CN202222944909.5U patent/CN218206812U/en active Active
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