CN209326193U - A kind of air separation unit based on the power station IGCC - Google Patents
A kind of air separation unit based on the power station IGCC Download PDFInfo
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- CN209326193U CN209326193U CN201821814720.1U CN201821814720U CN209326193U CN 209326193 U CN209326193 U CN 209326193U CN 201821814720 U CN201821814720 U CN 201821814720U CN 209326193 U CN209326193 U CN 209326193U
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- heat exchanger
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Abstract
The utility model discloses a kind of air separation units based on the power station IGCC, including reaction tower, the second lower tower, the second heat exchanger and First Heat Exchanger, the reaction tower is made of upper tower and the first lower tower, the any bar pipeline of the First Heat Exchanger, which is sequentially communicated, is provided with purification system, chilldown system, air compressor and air filter, and one end of the purification system is connected with the second lower tower；Any bar pipeline of the First Heat Exchanger, which is sequentially communicated, is provided with air booster, expanding machine pressurized end and water cooler, and the water cooler pipeline is back in First Heat Exchanger and connect with expander end, expander end one end is connected with upper tower；With it is existing based on the air separation unit in the power station IGCC compared with, the advantages that device electric energy loss can be reduced by reducing oxygen purity by having, while air separation process is more steady and safe.
Description
Technical field
The utility model relates to air separation unit technical fields, are especially a kind of air separation unit based on the power station IGCC.
Background technique
IGCC (Integrated-Gasification-Combined-Cycle) i.e. integrated gasification combined cycle for power generation
System, is the advanced power systems for combining Coal Gasification Technology and efficient combined cycle, and air separation unit is exactly for empty
Each component gas separation in gas, a set of industrial equipment of production oxygen, nitrogen, briefly, it is however generally that, air separation unit refers to
Be that the separator of various composition of air in chemical plant specifically isolates nitrogen from air, oxygen, the gases such as argon gas with
And some other gas.However, the analysis found that, air separation unit operation energy consumption is higher, accounts for the 18% of the power station IGCC generated energy
Left and right, influences the key indexes such as the power consumption rate, net coal consumption rate, the thermal efficiency of IGCC unit, and seriously affect the warp in the power station IGCC
Ji property.
Utility model content
Therefore, in order to solve above-mentioned deficiency, the utility model provides a kind of air separation unit based on the power station IGCC herein, tool
The advantages that device electric energy loss can be reduced by reducing oxygen purity by having, while air separation process is more steady and safe.
The utility model is realized in this way constructing a kind of air separation unit based on the power station IGCC, including reaction tower, second
Lower tower, the second heat exchanger and First Heat Exchanger, the reaction tower are made of upper tower and the first lower tower, and the First Heat Exchanger is appointed
One pipeline, which is sequentially communicated, is provided with purification system, chilldown system, air compressor and air filter, and the purification system
One end be connected with the second lower tower；Any bar pipeline of the First Heat Exchanger be sequentially communicated be provided with air booster,
Expanding machine pressurized end and water cooler, and the water cooler pipeline is back in First Heat Exchanger and connects with expander end
It connects, expander end one end is connected with upper tower；There is a plurality of pipeline to change with second in the upper tower and the first lower tower
Hot device connection, and also there is a plurality of pipeline to connect with the second heat exchanger in the First Heat Exchanger and the second lower tower；Under described first
Main condenser evaporator is installed, and the main condenser evaporator has liquid oxygen evaporator by piping connection in tower, the liquid oxygen steams
Hair device and First Heat Exchanger pass through pipeline connection.
Further, the purification system is specially air purge equipment, due to sucking air in may have dust and
Air after being filtered by purification system, could be sent into First Heat Exchanger, be conducive to improve the pure of air by pollutant
Degree prevents pipeline accumulation dust from resulting in blockage, while also improving space division safety.
Further, the chilldown system is specially air precooling equipment, and the chilldown system by setting will be for that will compress
Gas is cooled down, and using the difference of each component boiling point in air, purification system will be sent into after air liquefaction, subsequently through reaction
Tower separates gas.
Further, the pipeline is the stainless steel tube of bright annealing low-carbon, not by the bright annealing low-carbon of setting
Rust steel pipe is not easy to react with liquefied gas, improves the safety of gas transport.
The utility model provides a kind of air separation unit based on the power station IGCC by improving herein, with existing based on IGCC electricity
The air separation unit stood is compared, and device electric energy loss can be reduced by reducing oxygen purity by having the advantages that；Air separation process is more
Add steady and safe.It embodies are as follows:
Advantage 1: the purification system is specially air purge equipment, due to that may have dust and pollution in sucking air
Air after being filtered by purification system, could be sent into First Heat Exchanger, be conducive to the purity for improving air, prevent by object
Only pipeline accumulation dust results in blockage, while also improving space division safety.
Advantage 2: the chilldown system is specially air precooling equipment, is used for by the chilldown system of setting by compressed gas
It is cooled down, using the difference of each component boiling point in air, purification system will be sent into after air liquefaction, subsequently through reaction tower pair
Gas is separated.
Advantage 3: the pipeline is specially the stainless steel tube of bright annealing low-carbon, not by the bright annealing low-carbon of setting
Rust steel pipe is not easy to react with liquefied gas, improves the safety of gas transport.
Detailed description of the invention
Fig. 1 is air separation unit structural schematic diagram of the utility model based on the power station IGCC；
Fig. 2 is the reaction tower partial structural diagram of air separation unit of the utility model based on the power station IGCC.
Serial number as shown in the figure: the lower tower 2 of the lower tower 102 of reaction tower 1, upper tower 101, first, main condenser evaporator 103, second, the
Two heat exchangers 3, air booster 4, First Heat Exchanger 5, liquid oxygen evaporator 6, purification system 7, chilldown system 8, air filter
9, air compressor 10, water cooler 11, expanding machine pressurized end 12 and expander end 13.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing 1- Fig. 2, to the skill in the utility model embodiment
Art scheme is clearly and completely described, it is clear that and the described embodiments are only a part of the embodiments of the utility model, and
The embodiment being not all of.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness
Every other embodiment obtained, fall within the protection scope of the utility model under the premise of labour；In addition, term " first ",
" second ", " third " " upper and lower, left and right " etc. are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Meanwhile in the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection " should do broad sense
Understand, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connection, it can also
To be to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill people of this field
For member, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The utility model by improve a kind of air separation unit based on the power station IGCC is provided herein as Figure 1-Figure 2 can
To be practiced as follows；Including the lower tower 2 of reaction tower 1, second, the second heat exchanger 3 and First Heat Exchanger 5, reaction tower 1
It is made of upper tower 101 and the first lower tower 102, any bar pipeline of First Heat Exchanger 5, which is sequentially communicated, is provided with purification system 7, pre-
Cooling system 8, air compressor 10 and air filter 9, and one end of purification system 7 is connected with the second lower tower 2；First change
Any bar pipeline of hot device 5, which is sequentially communicated, is provided with air booster 4, expanding machine pressurized end 12 and water cooler 11, and water cooling
But 11 pipeline of device is back in First Heat Exchanger 5 and connect with expander end 13,13 one end of expander end and upper tower
101 are connected；There is a plurality of pipeline to connect with the second heat exchanger 3 in upper tower 101 and the first lower tower 102, and 5 He of First Heat Exchanger
Also there is a plurality of pipeline to connect with the second heat exchanger 3 in second lower tower 2；Main condenser evaporator 103 is installed in first lower tower 102,
And main condenser evaporator 103 has liquid oxygen evaporator 6 by piping connection, liquid oxygen evaporator 6 and First Heat Exchanger 5 pass through pipeline
Connection.
In the utility model, purification system 7 be specially air purge equipment, due to sucking air in may have dust and
Air after being filtered by purification system 7, could be sent into First Heat Exchanger 5, be conducive to improve the pure of air by pollutant
Degree prevents pipeline accumulation dust from resulting in blockage, while also improving space division safety；Chilldown system 8 is specially air precooling equipment,
It is used to cool down compressed gas by the chilldown system 8 of setting, using the difference of each component boiling point in air, by air fluid
It is sent into purification system 7 after change, gas is separated subsequently through reaction tower 1；Pipeline is specially the stainless of bright annealing low-carbon
Steel pipe is not easy to react with liquefied gas, improves gas transport by the stainless steel tube of the bright annealing low-carbon of setting
Safety.
Equipment: being powered by the working principle of air separation unit of this kind based on the power station IGCC first, air filter 9 and air
Compressor 10 sucks gas, reaches reaction tower 1 by First Heat Exchanger 5 after being handled by purification system 7 and chilldown system 8, with
Afterwards by gradually turning down entrance guide blade of air compressor, air compressor machine outlet pressure is reduced, while suitably turning down liquid nitrogen throttle valve, liquid nitrogen fraction
Throttle valve adjusts supercharger inlet valve to control tower nitrogen gas purity up and down, makes expanding machine pressurized end 12 and expander
It keeps stablizing between end 13, then properly increases oxygen product amount, guarantee that practical pure oxygen yield is constant, evaporated by main condenser
Device 103 carries out low-temperature treatment, it will be clear that since cryogenic air separation process is a nonspontaneous process, to make
It carries out separation must be to consume extraneous function as cost, if the process is ideal reversible process, corresponding power consumption is minimum, claims it
For theoretical minimum separation function, so analyzing influence of the oxygen purity to energy consumption by minimum separation function, oxygen purity is lower, energy consumption
Lower, liquid oxygen is stored in liquid oxygen evaporator 6, heats heel row by First Heat Exchanger 5 and goes out gaseous oxygen.
In summary；Air separation unit described in the utility model based on the power station IGCC, with the existing sky based on the power station IGCC
Separating device is compared, and device electric energy loss can be reduced, while air separation process is more steady and pacifies by reducing oxygen purity by having
Congruent advantage.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (4)
1. a kind of air separation unit based on the power station IGCC, including reaction tower (1), second lower tower (2), the second heat exchanger (3) and the
One heat exchanger (5), it is characterised in that: reaction tower (1) You Shangta (101) and first lower tower (102) are constituted, and described first changes
Any bar pipeline of hot device (5), which is sequentially communicated, is provided with purification system (7), chilldown system (8), air compressor (10) and air
Filter (9), and one end of the purification system (7) is connected with second lower tower (2)；The First Heat Exchanger (5) is appointed
One pipeline, which is sequentially communicated, is provided with air booster (4), expanding machine pressurized end (12) and water cooler (11), and the water cooling
But device (11) pipeline is back in First Heat Exchanger (5) and connect with expander end (13), the expander end
(13) one end is connected with upper tower (101)；There is a plurality of pipeline to change with second in the upper tower (101) and first lower tower (102)
Hot device (3) connection, and also have a plurality of pipeline and the second heat exchanger (3) even in the First Heat Exchanger (5) and second lower tower (2)
It connects；Main condenser evaporator (103) are installed in described first lower tower (102), and the main condenser evaporator (103) passes through pipeline
It is connected with liquid oxygen evaporator (6), the liquid oxygen evaporator (6) and First Heat Exchanger (5) pass through pipeline connection.
2. a kind of air separation unit based on the power station IGCC according to claim 1, it is characterised in that: the purification system (7)
Specially air purge equipment.
3. a kind of air separation unit based on the power station IGCC according to claim 1, it is characterised in that: the chilldown system (8)
Specially air precooling equipment.
4. a kind of air separation unit based on the power station IGCC according to claim 1, it is characterised in that: the pipeline moves back for light
The stainless steel tube of fiery low-carbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821814720.1U CN209326193U (en) | 2018-11-06 | 2018-11-06 | A kind of air separation unit based on the power station IGCC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821814720.1U CN209326193U (en) | 2018-11-06 | 2018-11-06 | A kind of air separation unit based on the power station IGCC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209326193U true CN209326193U (en) | 2019-08-30 |
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ID=67709507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821814720.1U Active CN209326193U (en) | 2018-11-06 | 2018-11-06 | A kind of air separation unit based on the power station IGCC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209326193U (en) |
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2018
- 2018-11-06 CN CN201821814720.1U patent/CN209326193U/en active Active
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