CN117821125A - Gasifier flash distillation vapour recovery unit and gasifier system - Google Patents
Gasifier flash distillation vapour recovery unit and gasifier system Download PDFInfo
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- CN117821125A CN117821125A CN202410035981.7A CN202410035981A CN117821125A CN 117821125 A CN117821125 A CN 117821125A CN 202410035981 A CN202410035981 A CN 202410035981A CN 117821125 A CN117821125 A CN 117821125A
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- gasifier
- condensate
- condenser
- gas
- flash steam
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- 238000011084 recovery Methods 0.000 title claims abstract description 28
- 238000007701 flash-distillation Methods 0.000 title description 2
- 238000002309 gasification Methods 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims description 99
- 239000007788 liquid Substances 0.000 claims description 24
- 229920006395 saturated elastomer Polymers 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 8
- 230000005494 condensation Effects 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 230000010412 perfusion Effects 0.000 claims description 4
- 239000002912 waste gas Substances 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000001704 evaporation Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000008020 evaporation Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a gasifier flash steam recovery device and a gasifier system. According to the invention, the heat of the flash steam of the gasification furnace is converted into electric energy, so that the heat loss is reduced, the energy consumption is reduced, the condensate and the non-condensable gas are separated through the knockout, the condensate after heat release is separated and recycled, and the resource is saved.
Description
Technical Field
The invention relates to the technical field of gasifiers, in particular to a flash steam recovery device of a gasifiers and a gasifiers system.
Background
Most of the flash evaporation gas of the gasification furnace is directly condensed by using circulating water, heat released by the condensation of the steam is taken away by water or air and discharged into the atmosphere, waste heat resources in the steam are wasted and cannot be fully utilized, energy consumption is increased, and carbon emission is increased. The steam condensate needs to use an independent condensation system, so that the energy consumption and the system complexity are increased, the system reliability is reduced, and the recovery device capable of effectively utilizing the flash gas waste heat of the gasification furnace is provided to solve the problem.
Disclosure of Invention
In order to overcome at least one of the above disadvantages, the present invention provides a gasifier flash steam recovery device and a gasifier system.
The aim of the invention can be achieved by adopting the following technical scheme:
in a first aspect of the present invention, there is provided a gasifier flash steam recovery apparatus comprising:
the evaporator is used for condensing the flash gas of the gasification furnace entering the evaporator;
the input end of the expansion machine is connected with the evaporator, and is used for converting the temperature and pressure of the flash steam of the gasification furnace into kinetic energy and transmitting the kinetic energy to the first output end, and reducing the pressure of the flash steam of the gasification furnace and transmitting the flash steam to the second output end;
the generator is connected with the first output end of the expander and is used for receiving the kinetic energy transmitted from the expander and converting the kinetic energy into electric energy;
the input end of the condenser is connected with the second output end of the expander;
the first input end of the condenser is connected with the evaporator and used for cooling saturated condensate discharged by the evaporator;
the liquid separator is connected with the first output end of the subcooler and is used for separating saturated condensate to form noncondensable gas and condensate;
the working medium pump, the input of working medium pump with the output of condenser is connected, the output of working medium pump with the second input of subcooler is connected, the second output of subcooler with the evaporimeter is connected.
In one embodiment, the dispenser comprises:
a non-condensable gas outlet for discharging non-condensable gas;
and the condensate outlet is used for discharging condensate.
In one embodiment, the gasifier flash vapor recovery device further comprises:
and the control valve is connected with the non-condensable gas outlet and is used for adjusting the flow of non-condensable gas discharged through the non-condensable gas outlet and adjusting the flow of condensate discharged through the condensate outlet.
In one embodiment, the gasifier flash vapor recovery device further comprises:
and the waste gas treatment device is connected with the non-condensable gas outlet and comprises a torch, and an igniter of the torch is used for igniting the non-condensable gas.
In one embodiment, the igniter includes:
and the ignition coil is annular, and noncondensable gas is discharged after being combusted through a cavity enclosed by the ignition coil.
In one embodiment, the ignition coil is disposed on a side of the igniter facing the non-condensable gas flowing direction.
In one embodiment, the ignition coil is disposed on a side of the igniter facing the cavity.
In one embodiment, the evaporator comprises:
and the vapor inlet is used for enabling the flash gas of the gasification furnace to enter the evaporator.
In one embodiment, the condenser is provided with:
the cold source inlet is arranged at the input end of the condenser and used for supplying cold source into the condenser;
the cold source outlet is arranged at the output end of the condenser and is used for discharging the cold source from the condenser.
In one embodiment, the gasifier flash vapor recovery device further comprises:
the condensing circulating pump, the input of condensing circulating pump pass through the transfer line with the cold source export is connected, the output of condensing circulating pump pass through the transfer line with the cold source entry is connected for cool down the circulation to the condensate and use.
In a second aspect of the invention, a gasifier system is provided, comprising a gasifier flash steam recovery device as described in any one of the above.
The beneficial technical effects of the invention are as follows: according to the disclosure, the gasification furnace flash steam recovery device converts heat of gasification furnace flash steam into electric energy, reduces heat loss, reduces energy consumption, separates condensate and non-condensable gas through the knockout, separates and recycles the condensate after heat release, and saves resources.
Drawings
In the drawings, the following are given by way of example and not limitation:
FIG. 1 shows a flow chart of the overall structure;
FIG. 2 shows a schematic overall structure;
fig. 3 shows a schematic view of an ignition coil mounting position of the first embodiment;
fig. 4 shows a schematic diagram of an ignition coil mounting position of the second embodiment;
fig. 5 shows a schematic diagram of the ignition coil mounting position of the third embodiment.
In the figure: 1. an evaporator; 2. an expander; 3. a generator; 4. a condenser; 5. a working medium pump; 6. a knockout; 7. an exhaust gas treatment device; 8. a subcooler; 11. a vapor inlet; 41. a cold source inlet; 42. a cold source outlet; 61. a non-condensable gas outlet; 62. a condensate outlet, 71 and an igniter; 72. an ignition coil.
Detailed Description
In the following detailed disclosure, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration specific embodiments in which the invention may be practiced, and in which the invention is described in further detail below with reference to the examples and drawings, for the purpose of making apparent and clarity of understanding the invention to those skilled in the art.
In a first aspect of the present invention, as shown in fig. 1 and 2, there is provided a flash steam recovery apparatus of a gasification furnace, comprising:
an evaporator 1 for condensing the flash gas of the gasification furnace entering the evaporator 1;
the input end of the expander 2 is connected with the evaporator 1, and is used for converting the temperature and pressure of the flash steam of the gasifier into kinetic energy and transmitting the kinetic energy to the first output end, and is used for reducing the pressure of the flash steam of the gasifier and transmitting the flash steam to the second output end;
a generator 3, the generator 3 is connected with a first output end of the expander 2, and is used for receiving the kinetic energy transmitted from the expander 2 and converting the kinetic energy into electric energy;
the input end of the condenser 4 is connected with the second output end of the expander 2;
a subcooler 8, a first input end of the condenser 4 is connected with the evaporator 1, and is used for cooling saturated condensate discharged by the evaporator 1;
the liquid separator 6 is connected with the first output end of the subcooler 8 and is used for separating saturated condensate to form noncondensable gas and condensate;
the input end of the working medium pump 5 is connected with the output end of the condenser 4, the output end of the working medium pump 5 is connected with the second input end of the subcooler 8, and the second output end of the subcooler 8 is connected with the evaporator 5.
According to the flash evaporation steam recovery device of the gasifier, heat of flash evaporation steam of the gasifier is converted into electric energy, heat loss is reduced, energy consumption is reduced, condensate and non-condensable gas are separated through the knockout 6, the condensate after heat release is separated and recycled, and resources are saved.
In the specific implementation, flash gas of the gasification furnace enters the evaporator 1 to release heat, then enters the expander 2 to push the impeller to rotate, and steam is reduced through internal energy in the process of the expander 2 and externally outputs work, so that the generator 3 coaxially connected with the expander 2 is driven to convert kinetic energy into electric energy, in the process of continuously acting on the steam, the steam is cooled into liquid working medium by entering the condenser 4 after the pressure and the temperature of the steam are continuously reduced, and the liquid working medium is conveyed into the subcooler 8 by the working medium pump 5 to be reheated and then is conveyed into the evaporator 1; at the same time, the evaporator 1 discharges saturated condensate, enters the subcooler 8 and exchanges heat with the liquid working medium conveyed into the subcooler 8 by the working medium pump 5, the saturated condensate is cooled, the condensation effect is improved, and the discharge of noncondensable gas and waste heat can be reduced.
In one embodiment, as shown in fig. 2, the knockout 6 includes a non-condensable gas outlet 61 and a condensate outlet 62, the non-condensable gas outlet 61 being configured to discharge non-condensable gas and the condensate outlet 62 being configured to discharge condensate.
In specific implementation, part of the liquid working medium is not completely evaporated into steam and flows out of the evaporator 1 in the form of condensate, and the steam is in an supersaturated state after compression, relaxation and other processes, namely, the concentration of the evaporating agent in the gas exceeds the maximum concentration in the saturated state, and the supersaturated state can enable the evaporating agent in part of the gas to form tiny liquid drops, and the tiny liquid drops are not condensed into liquid on the surface of the evaporator 1, but are suspended in the gas state to become non-condensable gas, and the non-condensable gas enters a steam outlet of the evaporator 1 along with the airflow, so that the refrigeration and heat transfer efficiency can be affected.
The knockout 6 is connected with the subcooler 8, and the condensate and the noncondensable gas in the evaporator 1 all enter the subcooler 8 for cooling, then enter the knockout 6, the knockout 6 separates the noncondensable gas, and enables the noncondensable gas to be discharged from the noncondensable gas outlet 61, and the condensate to be discharged from the condensate outlet 62, so that the noncondensable gas and the condensate are conveniently and separately treated, recycling of the condensate is realized, and meanwhile, the noncondensable gas is discharged after being treated.
In one embodiment, as shown in fig. 1, the gasifier flash vapor recovery device further includes a control valve connected to the non-condensable gas outlet 61 for regulating the flow of non-condensable gas exiting through the non-condensable gas outlet 61 and regulating the flow of condensate exiting through the condensate outlet 62.
In specific implementation, the knockout 6 generally adopts a siphon knockout pot to separate gas and liquid, the condensate outlet 62 is higher than the top of the knockout pot, so as to ensure that the liquid column pressure provided by the liquid phase outlet can discharge the non-condensable gas of the gas phase outlet, the non-condensable gas flow discharged through the non-condensable gas outlet 61 is directly regulated through a control valve, the flow of condensate discharged by the knockout 6 is regulated in linkage with the liquid level of the knockout 6, the balance of the liquid level and the air pressure in the knockout pot is maintained, and then the flow of the condensate discharged through the condensate outlet 62 is regulated.
In one embodiment, as shown in fig. 2, the flash steam recovery device of the gasification furnace further comprises an exhaust gas treatment device 7 connected with the non-condensable gas outlet 61, and the non-condensable gas is treated and discharged to reduce environmental pollution.
The main sources of non-condensable gases include gases such as nitrogen, oxygen and the like which are present in the air, volatile gases which volatilize from the liquid working medium, and harmful gases which are generated in the evaporator 1.
Further, the exhaust gas treatment device 7 may be a filter, and the harmful gas and the excessive moisture in the noncondensable gas are filtered and discharged through a filter element in the filter, and the filter element may be activated carbon, ferric oxide, zinc oxide, etc.
Further, the waste gas treatment device 7 can be a torch, an igniter of the torch is used for igniting the non-condensable gas, and the non-condensable gas is combusted and then discharged, so that carbon emission is reduced.
Specifically, the non-condensable gas comprises combustible gases such as carbon monoxide, hydrogen sulfide and the like, and products such as carbon dioxide, sulfur dioxide, elemental sulfur and the like are generated after the combustible gases are ignited by a torch. Further, the gas ignited by the torch can be discharged after being subjected to secondary treatment through a filter or alkaline solution, so that the pollution to the atmosphere is reduced.
In one embodiment, as shown in fig. 3-5, the igniter 71 includes an ignition coil 72, the ignition coil 72 is annular, and the noncondensable gas is discharged after being combusted through a cavity enclosed by the ignition coil 72.
It can be appreciated that the annular ignition coil 72 is arranged, so that the noncondensable gas is discharged through the cavity enclosed by the ignition coil 72, the contact area between the noncondensable gas and the ignition coil is increased, and the combustion effect of the noncondensable gas is improved.
In one embodiment, as shown in fig. 3, the ignition coil 72 is disposed at a side of the igniter 71 facing the non-condensable gas flowing direction, i.e. facing the non-condensable gas inlet direction of the torch, so as to increase the contact area between the non-condensable gas and the ignition coil, further improve the combustion effect of the non-condensable gas, and fully combust the non-condensable gas as much as possible.
In an embodiment, as shown in fig. 4, in the second embodiment, the ignition coil 72 is disposed at a side of the igniter 71 facing the cavity, that is, facing the axis direction of the torch, so as to increase the contact area between the non-condensable gas and the ignition coil, further improve the combustion effect of the non-condensable gas, and fully combust the non-condensable gas as much as possible.
In one embodiment, as shown in fig. 5, the ignition coil 72 is disposed at one side of the igniter 71 facing the non-condensable gas flowing direction and the cavity, that is, the torch is provided with an inclined table surface, preferably in a shape of a side surface of a round table, and the inner diameter of one end of the table surface close to the non-condensable gas inlet of the torch is larger than the inner diameter of one end far from the non-condensable gas inlet of the torch, so that when the non-condensable gas flows through the cavity enclosed by the table surface, the contact area between the ignition coil 72 and the non-condensable gas flow is larger compared with the first embodiment and the second embodiment, and the combustion effect of the non-condensable gas is greatly improved.
Meanwhile, when the noncondensable gas passes through the table top, the ignition coil 72 ignites the noncondensable gas from the circumferential direction, and the table top extrudes the noncondensable gas in the middle direction, so that the burning gas is extruded in the middle direction, the noncondensable gas is fully burned as much as possible, and the burning effect of the noncondensable gas is improved.
In one embodiment, the evaporator 1 includes a vapor inlet 11, the vapor inlet 11 for the gasifier flash gas to enter the evaporator 1.
When the liquid working medium enters the evaporator 1, the liquid working medium contacts with the flash evaporation gas of the gasification furnace entering the evaporator 1 through the steam inlet 11, the flash evaporation gas of the gasification furnace heats the liquid working medium in a heat transfer mode, and in the heating process, the liquid working medium absorbs heat gradually and newly to raise the temperature of the liquid working medium, so that the liquid working medium is evaporated into steam, and the steam is formed in the evaporator 1 and is discharged to the expander 2 through the steam outlet.
In one embodiment, the condenser 4 is provided with a cold source inlet 41 and a cold source outlet 42, the cold source inlet 41 is arranged at an input end of the condenser 4 and is used for supplying cold source into the condenser 4, and the cold source outlet 42 is arranged at an output end of the condenser 4 and is used for discharging cold source from the condenser 4.
The condenser 4 is used as a heat exchanger to cool and convert the steam into liquid working medium, and when the steam enters the condenser 4, the steam contacts with an external cold source to cool the steam in a heat transfer mode. In the cooling process, the cold source enters the condenser 4 through the cold source inlet 41 and is discharged from the condenser 4 through the cold source outlet 42, heat in the steam is absorbed by the cold source, the temperature of the steam is reduced, the steam is finally condensed into a liquid working medium, and the liquid working medium flows out of the condenser 4.
It is understood that the cold source may be water or other cooling medium.
In one embodiment, the flash evaporation steam recovery device of the gasification furnace further comprises a condensation circulating pump, wherein the input end of the condensation circulating pump is connected with the cold source outlet 42 through a perfusion tube, and the output end of the condensation circulating pump is connected with the cold source inlet 41 through a perfusion tube for cooling and recycling condensate.
In the cooling process, the heat in the steam can be absorbed by the cold source, so that the temperature of the steam is gradually reduced, and the heat in the steam can be transferred to the cold source in a heat transfer mode, so that the temperature of the cold source is increased. It can be understood that the cold source discharged from the cold source outlet 42 is cooled by the condensing circulating pump and then conveyed to the cold source inlet 41 again, so that the cold source can be recycled.
A gasifier system comprising a gasifier flash steam recovery device of any one of the above.
In the present invention, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
These and other changes can be made to the embodiments in light of the above detailed description, which includes examples of the best mode contemplated for carrying out the invention. The scope of the invention is defined by the appended claims, which are not limited by the present disclosure, but by the scope of the invention, and any equivalents or modifications thereof, which are within the scope of the invention as disclosed by those skilled in the art, are intended to be included in the scope of the invention.
Claims (10)
1. A gasifier flash steam recovery device, comprising:
an evaporator (1) for condensing the gasifier flash gas entering the evaporator (1);
the input end of the expansion machine (2) is connected with the evaporator (1) and is used for converting the temperature and the pressure of the flash steam of the gasification furnace into kinetic energy and transmitting the kinetic energy to the first output end, and the first output end is used for carrying out depressurization and transmission on the flash steam of the gasification furnace to the second output end;
a generator (3), the generator (3) being connected to a first output of the expander (2) for receiving kinetic energy transferred from the expander (2) and converting the kinetic energy into electrical energy;
the input end of the condenser (4) is connected with the second output end of the expander (2);
the first input end of the condenser (4) is connected with the evaporator (1) and is used for cooling saturated condensate discharged by the evaporator (1);
the liquid separator (6) is connected with the first output end of the subcooler (8) and is used for separating saturated condensate to form noncondensable gas and condensate;
the working medium pump (5), the input of working medium pump (5) with the output of condenser (4) is connected, the output of working medium pump (5) with the second input of subcooler (8) is connected, the second output of subcooler (8) with evaporator (5) is connected.
2. A gasifier flash steam recovery device according to claim 1, wherein the knockout (6) comprises:
a non-condensable gas outlet (61) for discharging non-condensable gas;
and a condensate outlet (62) for discharging condensate.
3. The gasifier flash steam recovery device of claim 2, further comprising:
and a control valve connected with the non-condensable gas outlet (61) for adjusting the flow rate of the non-condensable gas discharged through the non-condensable gas outlet (61) and adjusting the flow rate of the condensate discharged through the condensate outlet (62).
4. A gasifier flash steam recovery device according to claim 2 or 3, further comprising:
and the waste gas treatment device (7) is connected with the noncondensable gas outlet (61), the waste gas treatment device (7) comprises a torch, and an igniter (71) of the torch is used for igniting the noncondensable gas.
5. The gasifier flash steam recovery apparatus of claim 4, wherein said igniter comprises:
and the ignition coil (72) is annular, and noncondensable gas is discharged after being combusted through a cavity enclosed by the ignition coil (72).
6. The gasifier flash steam recovery apparatus according to claim 5, wherein the ignition coil (72) is provided on a side of the igniter facing the non-condensable gas flowing direction.
7. A gasifier flash gas recovery device according to claim 5 or 6, wherein the ignition coil (72) is arranged at the side of the igniter facing the cavity.
8. A gasifier flash steam recovery apparatus according to claim 1, wherein the condenser (4) is provided with:
a cold source inlet (41) arranged at the input end of the condenser (4) and used for supplying cold source into the condenser (4);
and the cold source outlet (42) is arranged at the output end of the condenser (4) and is used for discharging the cold source from the condenser (4).
9. The gasifier flash steam recovery device of claim 8, further comprising:
the input end of the condensation circulating pump is connected with the cold source outlet (42) through a perfusion tube, and the output end of the condensation circulating pump is connected with the cold source inlet (41) through a perfusion tube for cooling and recycling condensate.
10. A gasifier system comprising a gasifier flash steam recovery apparatus according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410035981.7A CN117821125A (en) | 2024-01-10 | 2024-01-10 | Gasifier flash distillation vapour recovery unit and gasifier system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410035981.7A CN117821125A (en) | 2024-01-10 | 2024-01-10 | Gasifier flash distillation vapour recovery unit and gasifier system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117821125A true CN117821125A (en) | 2024-04-05 |
Family
ID=90509633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410035981.7A Pending CN117821125A (en) | 2024-01-10 | 2024-01-10 | Gasifier flash distillation vapour recovery unit and gasifier system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117821125A (en) |
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2024
- 2024-01-10 CN CN202410035981.7A patent/CN117821125A/en active Pending
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