CN220451995U - Power generation device utilizing flash steam for recovery - Google Patents
Power generation device utilizing flash steam for recovery Download PDFInfo
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- CN220451995U CN220451995U CN202321906408.6U CN202321906408U CN220451995U CN 220451995 U CN220451995 U CN 220451995U CN 202321906408 U CN202321906408 U CN 202321906408U CN 220451995 U CN220451995 U CN 220451995U
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- evaporator
- communicated
- preheater
- working medium
- separator
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- 238000010248 power generation Methods 0.000 title claims abstract description 22
- 238000011084 recovery Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 16
- 239000002918 waste heat Substances 0.000 description 7
- 229920006395 saturated elastomer Polymers 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011555 saturated liquid Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a power generation device utilizing flash steam to recover, which comprises a preheater and an evaporator, wherein an air inlet of the preheater is communicated with an air outlet of the evaporator, a liquid output end of the preheater is communicated with a liquid input end of the evaporator, and the evaporator and the preheater are sequentially communicated to form a transportation pipeline of flash steam. The vapor output end of the evaporator is communicated with the input end of the separator, the output end of the separator is communicated with the input end of the engine unit of the engine expander, and the preheater, the evaporator, the separator and the engine unit of the engine expander are sequentially communicated to form a transportation pipeline of the liquid organic working medium. The utility model solves the problem of energy waste caused by no recovery of heat of low-pressure flash steam, and does not need to consume a large amount of circulating water.
Description
Technical Field
The utility model relates to a power generation device recovered by flash steam, belonging to the technical field of flash steam recovery power generation.
Background
In the prior art, the low-pressure flash steam of the slag hydraulic section of the gasification device is cooled by a heat exchanger to obtain condensate, the condensate enters a separation tank, noncondensable gas of the condensate in the separation tank is directly sent to a rear system or a torch for emptying, and the heat of the low-pressure flash steam in the treatment mode is not fully recovered and utilized, so that energy waste is caused. Meanwhile, the heat exchanger is needed to be used for low-pressure flash steam in the cooling process of the heat exchanger, and a large amount of circulating water is consumed by the heat exchanger, so that the cost of processing the flash steam for enterprises is increased.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, provides a power generation device by utilizing flash steam, solves the problem of energy waste caused by no recovery of heat of low-pressure flash steam, and does not need to consume a large amount of circulating water.
In a first aspect, the utility model provides a power generation device using flash steam for recovery, comprising a preheater and an evaporator, wherein an air inlet of the preheater is communicated with an air outlet of the evaporator, a liquid output end of the preheater is communicated with a liquid input end of the evaporator, the evaporator and the preheater are sequentially communicated to form a transportation pipeline of flash steam, and the preheater and the evaporator are sequentially communicated to form a transportation pipeline of liquid organic working medium.
In combination with the first aspect, the device comprises a separator and a turboexpander unit, the steam state output end of the evaporator is communicated with the input end of the separator, the output end of the separator is communicated with the input end of the turboexpander unit, and the preheater, the evaporator, the separator and the turboexpander unit are sequentially communicated to form a transportation pipeline of the liquid organic working medium.
In combination with the first aspect, the system comprises a working medium pump, wherein the output end of the working medium pump is communicated with the liquid input end of the preheater, and the working medium pump, the preheater, the evaporator, the separator and the turbine expander motor unit are sequentially communicated to form a transportation pipeline of the liquid organic working medium.
In combination with the first aspect, the device comprises a condenser, wherein the input end of the condenser is communicated with the output end of the generator-turbine-expander motor unit, and the output end of the condenser is communicated with the input end of the working medium pump.
In combination with the first aspect, the flash vapor compressor comprises a flash vapor compressor, wherein the input end of the flash vapor compressor is communicated with the air outlet of the preheater, and flash vapor enters from the air inlet end of the evaporator and sequentially passes through the evaporator, the preheater and the flash vapor compressor.
With reference to the first aspect, the air inlet of the preheater is communicated with the air outlet of the evaporator through a pipeline, and the liquid output end of the preheater is communicated with the liquid input end of the evaporator through a pipeline.
With reference to the first aspect, the vapor output end of the evaporator is communicated with the input end of the separator through a pipeline, and the output end of the separator is communicated with the input end of the generator-turbine-expander motor unit through a pipeline.
The utility model has the beneficial effects that:
the utility model discloses a power generation device by utilizing flash evaporation steam recovery, wherein low-pressure flash evaporation steam sequentially enters an evaporator and a preheater of an ORC waste heat power generation unit, the low-pressure flash evaporation steam is cooled by the evaporator and the preheater and then is discharged out of the ORC waste heat power generation unit through a flash vapor compressor, and liquid organic working medium is boosted by a working medium pump and sequentially enters the preheater and the evaporator to absorb heat. The heated organic working medium steam is expanded and then enters the turbine expander generator set through the separator, and the turbine expander generator set is driven to do work to generate power. The organic working medium spent steam after expansion work enters a condenser to be condensed into liquid organic working medium, and finally the liquid organic working medium is returned to a working medium pump to complete the power cycle of the organic working medium, thereby solving the problem of energy waste caused by no recovery of heat of low-pressure flash steam, avoiding consuming a large amount of circulating water and reducing the cost of processing the flash steam for enterprises.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a block diagram of some embodiments of the present application;
reference numerals mean 1, flash vapor; 2. a flash vapor compressor; 3. a preheater; 4. an evaporator; 5. a separator; 6. a generator set; 7. a condenser; 8. a working medium pump.
Detailed Description
In order to facilitate the technical solution of the application, some concepts related to the present application will be described below first.
It should be noted that, if there is a directional indication (such as up, down, left, right, front, rear.
Referring to fig. 1, the utility model provides a power generation device using flash steam for recovery, which mainly comprises a preheater 3, an evaporator 4, a separator 5, a turbine expander generator set 6, a condenser 7, a working medium pump 8 and other devices. The air inlet of the preheater 3 is communicated with the air outlet of the evaporator 4, the liquid output end of the preheater 3 is communicated with the liquid input end of the evaporator 4, the evaporator 4 and the preheater 3 are sequentially communicated to form a transportation pipeline of the flash steam 1, and the preheater 3 and the evaporator 4 are sequentially communicated to form a transportation pipeline of liquid organic working medium. And the low-pressure flash steam 1 coming out of the top of the low-pressure flash stripping tower in the slag-water section of the gasification device enters a power generation device for recycling flash steam, and heat is recycled for power generation. The low-pressure flash steam 1 sequentially enters an evaporator 4 and a preheater 3 of the ORC waste heat generator set, the low-pressure flash steam 1 is cooled by the evaporator 4 and the preheater 3 and then is discharged out of the ORC waste heat generator set by a flash steam compressor 2, and a liquid organic working medium is boosted by a working medium pump 8 and sequentially enters the preheater 3 and the evaporator 4 to absorb heat.
In this application embodiment, including separator 5 and turboexpander 6, the vapor output of evaporimeter 4 communicates the input of separator 5, and the input of turboexpander 6 is linked to the output of separator 5, and preheater 3, evaporimeter 4, separator 5 and turboexpander 6 communicate in proper order and constitute the transportation pipeline of liquid organic working medium. The output end of the working medium pump 8 is communicated with the liquid input end of the preheater 3, and the working medium pump 8, the preheater 3, the evaporator 4, the separator 5 and the generator-expander motor unit 6 are sequentially communicated to form a transportation pipeline of liquid organic working medium. The liquid organic working medium is boosted by a working medium pump 8 and then sequentially enters the preheater 3 and the evaporator 4 to absorb heat, and the liquid organic working medium is heated to be expanded by the organic working medium steam and then enters the turbine expander generator set 6 through the separator 5 to drive the turbine expander generator set 6 to do work and generate power. And the organic working medium spent steam after expansion work enters a condenser 7 to be condensed into liquid organic working medium, and finally the liquid organic working medium returns to a working medium pump 8 to complete the power cycle of the organic working medium.
In the embodiment of the application, the input end of the condenser 7 is communicated with the output end of the generator-turbine-expander unit 6, and the output end of the condenser 7 is communicated with the input end of the working medium pump 8. The input end of the flash vapor compressor 2 is communicated with the air outlet of the preheater 3, and the flash vapor 1 enters from the air inlet end of the evaporator 4 and sequentially passes through the evaporator 4, the preheater 3 and the flash vapor compressor 2.
In the embodiment of the application, the air inlet of the preheater 3 is communicated with the air outlet of the evaporator 4 through a pipeline, and the liquid output end of the preheater 3 is communicated with the liquid input end of the evaporator 4 through a pipeline. The vapor output end of the evaporator 4 is communicated with the input end of the separator 5 through a pipeline, and the output end of the separator 5 is communicated with the input end of the generator-turbine-expander motor unit 6 through a pipeline.
The waste heat power generation process flow mainly comprises an organic working medium loop and a waste heat source flow. Organic working medium loop: liquid organic working medium, a preheater 3, an evaporator 4, a turbine expander generator set 6, a condenser 7 and a working medium pump 8; waste heat source flow: low pressure flash steam, evaporator 4, preheater 3, desuperheat, and flash vapor compressor 2.
The generator set mainly comprises a turbine, a condenser, a working medium pump, a separator, an evaporator, a preheater, an oil way lubricating system, a generator and the like. The basic principle of the turbine generator is that a nozzle and an impeller are utilized to convert high-temperature high-pressure gas into high-speed fluid, then kinetic energy of the high-speed fluid is converted into shaft work of a rotary machine, and finally mechanical energy is converted into electric energy; the turbine is made of special materials, has good corrosion resistance and enough strength to ensure high-speed rotation. The design and aerodynamic performance calculation of the turbine are designed by adopting the most advanced international technology, so that the turbine has excellent hydrodynamic performance.
The condenser is a horizontal shell-and-tube heat exchanger, adopts high-efficiency heat exchange tubes with excellent heat transfer performance, the length direction of the tube bundle is supported by a supporting plate, and the condenser has the function of cooling and condensing gaseous working medium to be changed into saturated liquid working medium and sucked by a working medium pump.
The working medium pump conveys the liquid working medium condensed by the condenser to the preheater. During the running period of the generator set, the working medium pump continuously works and carries out variable frequency adjustment along with working conditions, so that the generator set always keeps running in the state of maximum power generation.
The preheater is a shell-and-tube heat exchanger, the shell side is used for removing liquid working medium, the tube side is used for removing heat source medium, and the preheater is used for heating the liquid working medium to enable the liquid working medium to enter the evaporator when the liquid working medium reaches a saturated state;
the preheater is a pressure vessel, and the design, manufacture, inspection and acceptance of the preheater all meet the regulations of the pressure vessel safety technology supervision regulations.
The evaporator is a horizontal shell-and-tube heat exchanger, a high-efficiency evaporation tube with excellent heat transfer performance is adopted, the length direction of the tube bundle is supported by a supporting plate, and the evaporator is used for heating liquid saturated working medium to change the liquid saturated working medium into gaseous saturated working medium and then entering the separator.
The evaporator is a pressure vessel, and the design, manufacture, inspection and acceptance of the evaporator all meet the regulations of the pressure vessel safety technology supervision regulations.
The separator is used for separating liquid drops in the saturated gaseous working medium and avoiding the liquid drops in the working medium entering the turbine generator. The separator is a pressure vessel, and the design, manufacture, inspection and acceptance of the separator all meet the regulations of the pressure vessel safety technology supervision regulations.
The air inlet valve, the exhaust valve, the hot gas bypass valve, the working medium pump outlet valve, the pump bypass valve and the like of the unit are all pneumatic valves.
The oil pump is driven by a motor to drive a gear pump, so as to provide high-pressure lubricating oil for the system. The oil pump discharge oil pressure is stable and the pulse is small. The oil pump outlet is provided with a bypass pipeline, so that the oil supply pressure can be adjusted. And stopping for a long time, wherein the heating and opening of oil are ensured, the oil level is in a normal range, and before the unit operates, the oil pump is started to detect whether the oil pressure difference is in the normal range.
The oil storage tank is used for storing lubricating oil, and provides a certain inlet pressure head for the oil pump, so that the normal circulation of an oil way is ensured.
1. Oil filter: and the filter is arranged at the inlet of the turbine and used for filtering impurities in lubricating oil and protecting the turbine from normal operation. The filter core of the filter is detachable, the filter can be cut off through front and rear valves, and the filter core is replaced according to the size of the oil pressure difference;
2. liquid working medium filter: the device is used for filtering impurities in the liquid working medium and protecting the normal operation of the working medium pump. The filter is blocked seriously, so that the liquid flow is influenced, the thermodynamic performance of a unit is reduced, equipment is damaged more seriously, the filter can be cut off through front and rear stop valves, and the filter core needs to be cleaned and replaced regularly;
3. drying and filtering: used for oil cooling heat exchange, ensures the cleanliness of cooling working medium, the filter can be cut off by front and rear valves,
and the filter element is replaced.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.
Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model herein. This application is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.
The foregoing detailed description of the embodiments has further described the objects, technical solutions and advantageous effects of the present application, and it should be understood that the foregoing is only a detailed description of the present application and is not intended to limit the scope of the present application, and any modifications, equivalent substitutions, improvements, etc. made on the basis of the technical solutions of the present application should be included in the scope of protection of the present application.
Claims (7)
1. The utility model provides an utilize flash steam to retrieve power generation facility, its characterized in that includes pre-heater (3) and evaporimeter (4), the gas outlet of air inlet intercommunication evaporimeter (4) of pre-heater (3), the liquid input of liquid output intercommunication evaporimeter (4) of pre-heater (3), and the transport pipeline of flash steam (1) is formed in proper order intercommunication in evaporimeter (4) and pre-heater (3), and the transport pipeline of liquid organic working medium is formed in proper order intercommunication in pre-heater (3) and evaporimeter (4).
2. A power generation apparatus using flash steam recovery according to claim 1, wherein,
the device comprises a separator (5) and a turbine expander motor unit (6), wherein the vapor output end of the evaporator (4) is communicated with the input end of the separator (5), the output end of the separator (5) is communicated with the input end of the turbine expander motor unit (6), and the preheater (3), the evaporator (4), the separator (5) and the turbine expander motor unit (6) are sequentially communicated to form a transportation pipeline of liquid organic working medium.
3. A power generation apparatus using flash vapor recovery as defined in claim 2, wherein,
the device comprises a working medium pump (8), wherein the output end of the working medium pump (8) is communicated with the liquid input end of a preheater (3), and the working medium pump (8), the preheater (3), an evaporator (4), a separator (5) and a turbine expander motor unit (6) are sequentially communicated to form a transportation pipeline of liquid organic working medium.
4. A power generation apparatus using flash vapor recovery as defined in claim 2, wherein,
the device comprises a condenser (7), wherein the input end of the condenser (7) is communicated with the output end of a turbine expander motor unit (6), and the output end of the condenser (7) is communicated with the input end of a working medium pump (8).
5. A power generation apparatus using flash vapor recovery as defined in claim 2, wherein,
the flash steam evaporator comprises a flash steam compressor (2), wherein the input end of the flash steam compressor (2) is communicated with the air outlet of a preheater (3), and flash steam (1) enters from the air inlet end of an evaporator (4) and sequentially passes through the evaporator (4), the preheater (3) and the flash steam compressor (2).
6. A power generation apparatus using flash steam recovery according to claim 1, wherein,
an air inlet of the preheater (3) is communicated with an air outlet of the evaporator (4) through a pipeline, and a liquid output end of the preheater (3) is communicated with a liquid input end of the evaporator (4) through a pipeline.
7. A power generation apparatus using flash vapor recovery as defined in claim 2, wherein,
the vapor output end of the evaporator (4) is communicated with the input end of the separator (5) through a pipeline, and the output end of the separator (5) is communicated with the input end of the generator-turbine-expander unit (6) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321906408.6U CN220451995U (en) | 2023-07-19 | 2023-07-19 | Power generation device utilizing flash steam for recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321906408.6U CN220451995U (en) | 2023-07-19 | 2023-07-19 | Power generation device utilizing flash steam for recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220451995U true CN220451995U (en) | 2024-02-06 |
Family
ID=89727647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321906408.6U Active CN220451995U (en) | 2023-07-19 | 2023-07-19 | Power generation device utilizing flash steam for recovery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220451995U (en) |
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2023
- 2023-07-19 CN CN202321906408.6U patent/CN220451995U/en active Active
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