KR20110103766A - System for desulfurization and denitrification of exhaust gas using wind power generation - Google Patents

Abstract

The present invention can generate wind power by supplying the air intake and exhaust air in the engine room or various spaces of the ship to the wind power generator, and supplying the wind power to the low-temperature plasma reaction module of the desulfurization treatment unit, To provide flue gas desulfurization and denitrification facilities using wind power generation, which can secure eco-friendliness and economy.
The flue gas desulfurization denitrification facility using the wind power generator of the present invention removes harmful substances present in the harmful flue gas (a3) and discharges it into the atmosphere as a harmless discharge gas (a4), but the engine room 10 and the indoor space 100 Wind power generation unit 20 for generating a wind power generation using the intake air (a1) introduced into the space or the exhaust air (a2) discharged to the outside of the space; Desulfurization and denitrification unit 30 for removing harmful substances from the harmful flue gas (a3); Is connected between the wind power generation unit 20 and the desulfurization denitrification unit 30, the wind power
It includes a plasma power supply unit 40 for supplying the wind power generation power input from the power generation unit 20 to the low-temperature plasma reaction module 32 provided in the desulfurization denitrification processing unit (30).

Description

Flue gas desulfurization and denitrification equipment using wind power generation system {SYSTEM FOR DESULFURIZATION AND DENITRIFICATION OF EXHAUST GAS USING WIND POWER GENERATION}

The present invention relates to a flue gas desulfurization denitrification facility using a wind power generation, and more particularly, to a flue gas desulfurization denitrification facility using a wind power generation power source applicable to an environmentally friendly ship, a harmful substance removal facility in a ship, a volatile organic compound abatement facility, and the like. It is about.

In general, a vessel is provided with a steam turbine propulsion device or an electric propulsion device to consume fuel and operate the fuel, or operate the ship engine and a boiler or a commercial power generator during berth to operate commercial power required for the ship (for example, Electric power required for the ship's housing part) and various equipment electric power.

In recent years, the regulation of ship exhaust gas is strictly enforced internationally, but it is difficult to find a vessel having both desulfurization and denitrification among the exhaust gas of the existing ship engine and generator.

The harmful gas treatment system using the low temperature plasma of the prior art is a facility for treating the flue gas (2) introduced from the combustion facility (1), as shown in FIG.

Here, the electrostatic precipitator 3 removes dust from the flue gas 2. The plasma reactor 5 converts gaseous contaminants such as sulfur oxides and nitrogen oxides from which dust is removed into by-products such as solidified neutral salts.

In addition, the by-product electrostatic precipitator 3-1 finally processes the converted by-products.

In the end, the flue gas 2 is purified through the electrostatic precipitator 3, various pipes 9, the plasma reactor 5, the by-product precipitator 3-1, and then the fan device 7 and the chimney 8. It is released through the atmosphere as a purified gas.

In particular, since the plasma reactor 5 uses a high voltage transformer, a pulse generator, a control unit, and the like, the plasma reactor 5 is limited in power consumption in comparison with the ground-rich equipment.

In addition, the conventional harmful gas treatment system using a low-temperature plasma is provided with an electrostatic precipitator (3), a plasma reactor (5), an electrostatic precipitator (3-1) for removing by-products, so that the installation cost and the installation area are excessive. It is difficult to install on the disadvantage.

In particular, the conventional hazardous gas treatment system using a low temperature plasma power supply device (4, 4-1) for the electrostatic precipitator (3), plasma reactor (5), by-product precipitator (3-1), respectively As the power supply device 6 for the plasma reactor is further provided, it is difficult to be applied to a ship which may be relatively short in power.

An object of the present invention devised to solve such a problem is to supply the intake and exhaust air in the engine room or the various spaces of the ship to the wind power generation unit to generate a wind power generation, the wind power generation desulfurization By supplying to the low-temperature plasma reaction module of the denitrification unit, it is intended to provide a flue gas desulfurization denitrification facility using wind power generation that can secure environmental friendliness and economics.

In addition, another object of the present invention is to install a selective catalytic reduction module and a low temperature plasma reaction module in the module casing as an integral desulfurization and denitrification unit, to reduce the installation cost and installation space, flue gas desulfurization denitrification using a wind power source. To provide a facility.

An object of the present invention as described above, in the low-temperature plasma flue gas desulfurization denitrification equipment that removes harmful substances present in the harmful flue gas and discharges it into the atmosphere as a harmless discharge gas, the intake air flowing into the space including the engine room and the interior space A wind power generation unit generating wind power by using exhaust air discharged to the outside space; A desulfurization denitrification unit for removing harmful substances from the harmful flue gas; A wind power generation unit connected between the wind power generation unit and the desulfurization denitrification unit and including a plasma power supply unit supplying the wind power generation power input from the wind power generation unit to a low temperature plasma reaction module provided in the desulfurization denitrification unit. It can be achieved in the flue gas desulfurization denitrification equipment used.

In addition, according to the present invention, a first duct connected to one side of the engine room for the inflow of the intake air, a first fan device coupled to the first duct to flow the intake air, and the exhaust air It may include a second duct connected to the other side of the engine room for the discharge of, and a second fan device coupled to the second duct for flowing the exhaust air.

In addition, according to the present invention, the wind turbine is a wind generator that is generated by rotating a plurality of blades in accordance with the flow of the fluid, the body that is wrapped in a non-contact type outside the wing of the wind generator and supporting the prop of the wind generator And a plurality of duct connectors formed on one side of the body portion to couple the ducts for intake air or the inlet air inlet, a plurality of outlets formed on the other side of the body portion, and an upper or lower surface of the body portion. It may be configured to include an output port for the wind power generator formed in.

The flue gas desulfurization denitrification system using the wind power generator of the present invention has the advantage of treating both desulfurization and denitrification by a desulfurization denitrification unit integrally equipped with a selective catalytic reduction module and a low temperature plasma reaction module.

In addition, the flue gas desulfurization denitrification facility using the wind power generator of the present invention can reduce the installation cost and installation space by the desulfurization denitrification unit, and enables the compact design of ships and facilities, and convenient maintenance There is this.

In addition, the flue gas desulfurization denitrification facility using the wind power generator of the present invention uses the intake air or the exhaust air and the wind power generation unit to maximize the fuel use efficiency of the engine room by producing and using the power required by the desulfurization denitrification unit. There is an advantage that can not be secured.

In addition, the flue gas desulfurization denitrification facility using the wind power generator of the present invention further includes a power generation automatic switching device capable of supplying any one of the wind power generation unit of the wind power generation unit and the commercial power source of the ship to the desulfurization denitrification unit, in the engine room. There is an advantage in that desulfurization and denitrification can be safely performed even in the event of facility stoppage or temporary failure.

1 is a general process diagram of a harmful gas treatment system using a low temperature plasma of the prior art.
2 is a block diagram of a flue gas desulfurization denitrification facility using a wind power generator according to a first embodiment of the present invention.
3 is a block diagram of a flue gas desulfurization denitrification facility using a wind power generator according to a second embodiment of the present invention.
Figure 4 is a block diagram of a flue gas desulfurization denitrification facility using a wind power generator according to a third embodiment of the present invention.

Hereinafter, with reference to the accompanying Figures 2 to 4 will be described in detail with respect to the flue gas desulfurization denitrification facility using a wind power generator according to embodiments of the present invention.

The following specific examples are merely illustrative of the flue gas desulfurization denitrification facility using the wind power generator according to the present invention, it is not intended to limit the scope of the present invention.

First embodiment

Referring to Figure 2, the flue gas desulfurization denitrification facility using the wind power generation power according to the first embodiment of the present invention is harmful flue gas (a3) generated from the engine 11 and the commercial power generator 12 of the engine room 10 (a3). ), It can have a systematic device configuration that removes harmful substances (e.g., nitrogen oxides (NOx), sulfur oxides (SOx), etc.) present in the air) and releases them to the atmosphere as a harmless emission gas (a4).

In the description of the present invention, flue gas may mean harmful flue gas (a3).

Particularly, in the systematic device configuration of the present invention, the wind power generator unit receives the intake air a1 flowing into the engine room 10 or the exhaust air a2 discharged to the outside of the engine room 10 using a duct structure. 20 may be provided.

In addition, the system configuration of the present invention may include an integrated desulfurization and denitrification unit 30, a plasma power supply unit 40, an economizer 50, and a silencer 60.

First, the engine room 10 may include an engine 11, a commercial power generator 12, and other installation devices.

For example, the first fan device 13 for introducing the intake air a1 and the second fan device 14 for discharging the exhaust air a2 may be provided in the engine room using the first and second ducts 13a and 14a. 10) can be installed.

For example, the first fan device 13 of the device structure for entering the intake air a1 into the engine room 10 may be coupled to one end of the first duct 13a. In this case, the other end of the first duct 13a may be connected to an air inlet of the engine room 10.

The second fan device 14 of the device structure for bringing the exhaust air a2 out of the engine room 10 may be coupled to one end of the second duct 14a. In this case, the other end of the second duct 14a may be connected to an air outlet of the engine room 10.

One end of the manifold 16 may be piped to the engine 11 or the commercial power generator 12.

The other end of the multi-coffin 16 may be connected to the third duct 33.

The third duct 33 is to be piped to the desulfurization and denitrification unit 30 to play a role of supplying the harmful flue gas a3 generated from the engine 11 or the commercial power generator 12 to the desulfurization and denitrification unit 30. Can be.

The wind power generator 20 may include a tubular or box-shaped body 22 and a wind generator 21 disposed therein as a component of the wind power generator 20.

For example, the wind power generator 20 is a turbine-type wind power generator 21 in which a plurality of blades are rotated and generated according to the flow of the fluid, and the wind power generator 20 is wrapped in a non-contact manner outside the wing of the wind power generator 21 and the wind power generator. A tubular or box-shaped body portion 22 supporting the support of the 21 and formed on one side of the body portion 22, the fourth and fifth duct for the intake air (a1) or the exhaust air (a2) inlet A plurality of duct connectors 23 for coupling the 23a, 23b, a plurality of outlets 24 formed on the other side of the body portion 22, and a wind generator formed on the upper or lower surface of the body portion 22 ( 21) may include an output port 29.

Here, the output port 29 for the wind power generator 21 may be electrically connected directly to the input terminal of the plasma power supply 40.

In addition, the duct connector 23 of the wind power generator 20 has a fourth duct 23a extending from the first duct 13a of the first fan device 13 and the second fan device 14, respectively. Fifth duct 23b extending through the outlet side duct connection structure of) may be connected, respectively.

The outlet side duct connection structure of the second fan device 14 is a kind of reduced tube member which collects and supplies the fluid or gas exiting from the second fan device 14 toward the fifth duct 23b having a relatively narrow cross-sectional area. It means a structure having a hopper shape.

During operation of the first fan device 13, the intake air a1 enters the engine room 10 through the first duct 13a, and together with the wind power generation unit 20 through the fourth duct 23a. It may enter into the body portion 22 of the). As such, the intake air a1 may rotate the blades of the wind turbine 21 while passing through the body portion 22 to generate wind power.

In operation of the second fan device 14, the exhaust air a2 exits from the engine room 10 through the second duct 14a and then also through the fifth duct 23b, the wind power generation unit 20. Can enter the body portion 22 of the. In this manner, the exhaust air a2 may also rotate the blades of the wind turbine 21 while passing through the body portion 22 to generate the wind turbine generator.

The harmful flue gas a3 may flow into the desulfurization and denitrification unit 30 through the third duct 33.

The desulfurization and denitrification unit 30 is integrally formed by installing the selective catalytic reduction module 31 and the low temperature plasma reaction module 32 for the treatment of harmful flue gas (a3) on one inner support frame in the module casing 34. It may be.

The lower part of the module casing 34 may be further coupled or provided with a by-product discharge processing unit 35 having a dust collecting function and a discharge function capable of discharging various by-products such as nitrogen, water, and neutral salts to the outside.

The by-product discharge processing unit 35 is also connected to the connection port 39 for the low temperature plasma reaction module 32 by using a wire, it is a matter of course that can share the wind power generation.

The selective catalytic reduction module 31 is capable of reducing nitrogen oxides to harmless nitrogen and water by injecting a reducing agent such as ammonia into the harmful flue gas a3 and selectively reacting with nitrogen oxides of the harmful flue gas a3 on the catalyst. have.

The low temperature plasma reaction module 32 forms a positive streamer corona discharge between the positive electrode discharge electrode and the negative electrode plate to generate radicals, and generates acid salts through reaction of nitrogen oxides or sulfur oxides, which are radicals and harmful substances. It is possible to perform a low temperature plasma reaction that generates and converts to neutral salts through the reaction of acid salts and additives such as ammonia.

The desulfurization and denitrification unit 30 may include a connection port 39 for the low temperature plasma reaction module 32.

The plasma power supply 40 may be electrically connected through a connection wire provided between the connection port 39 for the low temperature plasma reaction module 32 and the output port 29 for the wind power generator 21.

The plasma power supply unit 40 converts the wind power generated in the wind generator 21 to be suitable for the operation of the low temperature plasma reaction module 32 of the desulfurization and denitrification unit 30 to supply the low temperature plasma reaction module 32. It can be configured as an electrical circuit to handle.

For example, the plasma power supply 40 converts an input value corresponding to the wind power generation power into an output value for the low temperature plasma reaction module 32, that is, a module operating power so that the wind power generation power can be used in the low temperature plasma reaction module 32. It can be provided with an inverter circuit for supplying systematically.

The harmful flue gas a3 may be purified by a desulfurization denitrification unit 30 as a harmless discharge gas a4.

The flue gas desulfurization and denitrification facility using the wind power generation power source of the present invention as a post-treatment device of harmless discharge gas a4 may include an economizer 50 and a silencer 60.

The economizer 50 and the silencer 60 may be interposed between the desulfurization denitrification unit 30 and the discharge side piping member in turn. Here, selective coupling is also possible, so that the desulfurization and denitrification unit 30 may be combined with the economizer 50 or the silencer 60.

The economizer 50 may be manufactured to maximize the use or recovery of the residual heat of the harmless exhaust gas a4.

The muffler 60 may be manufactured to have a standard that satisfies the engine standard of the vessel, or may be selected and used as a commercial item satisfying such a standard.

It will be described for the operation method of the flue gas desulfurization denitrification equipment using the wind power generator according to the first embodiment of the present invention.

First, the air intake air a1 is introduced into the engine room 10 through the first duct 13a or is connected to the first duct 13a during the operation of the first fan device 13. 4 is supplied toward the wind power generation unit 20 through the duct 23a.

The intake air a1 introduced into the engine room 10 may be partially used in the engine 11 or the commercial power generator 12, or may be an exhaust air a2 to exit the engine room 10. .

The exhaust air a2 is immediately discharged into the atmosphere via the second duct 14a, the fifth duct 23b, and the wind power generation unit 20 when the second fan device 14 is operated, or separate waste heat recovery. After further passing through the system, it may be released into the atmosphere.

The wind power generator 21 of the wind power generator 20 may generate wind power by using an intake air a1 or a back air a2.

Wind power generated in the wind power generator 21 may be transmitted to the plasma power supply 40 through the output port 29, the connection wires.

The plasma power supply unit 40 may supply the received wind power generation power to the low temperature plasma reaction module 32 of the desulfurization denitrification unit 30.

Meanwhile, in the engine 11 or the commercial power generator 12, harmful flue gas a3 containing harmful substances may be generated.

Hazardous flue gas a3 may enter the desulfurization and denitrification unit 30 through the multi-pipe 16 and the third duct 33.

The harmful flue gas (a3) that enters into the desulfurization denitrification unit 30 may be denitrified while passing through the selective catalytic reduction module 31, and may be a low temperature plasma reaction module that performs a low temperature plasma reaction using wind power. It can be converted into a harmless exhaust gas a4 while passing through 32). That is, the desulfurization and denitrification processing unit 30 is to process desulfurization or denitrification simultaneously or sequentially from the harmful flue gas a3.

Thereafter, the harmless exhaust gas a4 may be emitted to the atmosphere after passing through the economizer 50 and the silencer 60 in sequence.

2nd Example

The flue gas desulfurization and denitrification equipment using the wind power generator of the present invention described in this embodiment is the same as the first embodiment except that the apparatus further includes a power automatic switching device. Therefore, the same or similar reference numerals will be given to the same or corresponding components in FIGS. 2 and 3, and the description thereof will be omitted here.

As shown in FIG. 3, in the second embodiment of the present invention, the power generation amount of the wind power generator is insufficient, or the wind power generation unit 20 is insufficient to operate the low temperature plasma reaction module 32 of the desulfurization and denitrification unit 30. In the event of an accident, such as a), it may further include a power supply automatic switching device 70 for a stable and smooth power supply.

The automatic power supply switching device 70 may be connected between the wind power generator 20 and the plasma power supply 40.

The automatic power supply switching device 70 is any one of the wind power generation power supplied from the wind power generation unit 20, the commercial power PW1 previously provided to the ship, and the power storage power PW2 stored in the battery. May serve to supply the plasma power supply unit 40.

Here, the automatic power supply switching device 70 is composed of an inverter circuit module for converting each input value of the input power type of the plasma power supply unit 40 into an output value suitable for the low temperature plasma reaction module 32, and an uninterruptible automatic switching circuit module. Can be.

The uninterruptible automatic switching circuit module of the power supply automatic switching device 70 may include a driver 71 for energizing each input terminal and output terminal.

The automatic power supply switching device 70 includes a first input terminal 72 for inputting wind power generation power of the wind power generator 20, a second input terminal 73 for inputting commercial power PW1 of a ship, and a storage power source of a storage battery ( PW2) may further include a third input terminal 74 for input and an output terminal 75 for plasma power supply 40.

In the automatic power supply switching device 70, the first input terminal 72 may be connected to the output port 29 for the wind power generator 21 of the wind power generator 20, the second input terminal 73 is a commercial power ( PW1) may be connected to an outlet for supplying, and the third input terminal 74 may be connected to an output terminal of a storage battery or a battery assembly for power storage power PW2, and the output terminal 75 may be a plasma power supply 40. It can be connected to the input terminal of.

The driver 71 of the uninterruptible automatic switching circuit module of the automatic power supply switching device 70 connected as described above is connected to the first input terminal 72 when the wind power generation power is supplied from the wind power generation unit 20 above a predetermined reference value. The output terminal 75 may be energized so that the wind power may be supplied to the plasma power supply 40.

On the other hand, the driver 71 of the uninterruptible power supply and automatic switching circuit module of the automatic power supply switching device 70 is supplied from the wind power generation unit 20 or less than a predetermined reference value or when no wind power is supplied at all. As a result, the second input terminal 73 and the output terminal 75 may be energized so that the commercial power PW1 of the ship may be supplied to the plasma power supply 40.

In addition, the driver 71 of the uninterruptible power supply and automatic switching circuit module of the power automatic switching device 70 is not supplied with wind power, or when the power failure of the commercial power supply PW1 occurs, the third input terminal 74 and the output terminal 75. ) Can be energized so that power storage power PW2 such as a battery can be supplied to the plasma power supply 40.

Therefore, the plasma power supply unit 40 may supply the module operating power to operate the low temperature plasma reaction module 32 of the desulfurization and denitrification unit 30 in any case.

Third embodiment

The flue gas desulfurization and denitrification facility using the wind power generator of the present invention described in this embodiment is supplied to the wind power generating unit and the intake air and the exhaust air supplied to the plurality of rooms as well as the engine room to generate the wind power generation power. Is the same as the first embodiment or the second embodiment. Therefore, the same or similar reference numerals will be given to the same or corresponding components in FIGS. 2 to 4, and the description thereof will be omitted here.

As shown in FIG. 4, the third embodiment of the present invention provides an intake air a1 associated with an interior of a space including not only the engine room 10 but also various interior spaces 100 that may be provided in a ship or a facility. The exhaust air a2 may be configured to be used for wind power generation of the wind power generation unit 20.

For example, the indoor space 100 may also include fan devices 130 and 140 for the intake air a1 or the exhaust air a2.

The wind power generator 20 may receive the intake air a1 or the exhaust air a2 of the indoor space 100, or the intake air a1 and the exhaust air a2, so that the fan apparatus 130 for the indoor space may be supplied. , 140 may further include auxiliary ducts 131 and 141 extending from the duct.

The auxiliary ducts 131 and 141 may be provided for the corresponding indoor spaces 100 and may be extended as air conditioning facilities for wind power generation.

For example, some of the auxiliary ducts 131 and 141 may be joined to the first duct of the existing engine room 10 or may be connected to the duct connector 23 of the wind power generation unit 20 so that the intake air a1 or the air exhauster is connected. It is possible to design (a2) to be supplied to the wind power generator 20.

Through this, the wind power generator 21 of the wind power generator 20 may smoothly generate more abundant wind power.

This wind power is supplied to the plasma power supply 40, and then can be used to operate the low-temperature plasma reaction module of the desulfurization denitrification process.

The present invention is applied not only to marine equipment, but also to desulfurization and denitrification equipment for thermal power plants, volatile organic compound (VOC) treatment devices, perfluorocarbons (PFC) treatment devices, and denitrification and desulfurization treatment systems for diesel engines. Or may be applicable.

Such a technical configuration of the present invention will be understood by those skilled in the art that the present invention can be implemented in other specific forms without changing the technical spirit or essential features of the present invention. Therefore, the scope of the present invention is represented by the following claims rather than the foregoing description, and all changes or modifications derived from the meaning and scope of the claims and equivalent concepts are included in the scope of the present invention. Should be interpreted.

10: engine room 20: wind power generation unit
30: desulfurization and denitrification unit 40: plasma power supply unit
50: economizer 60: silencer
70: power automatic switching device 100: indoor space

Claims (7)

In the flue gas desulfurization denitrification equipment which removes harmful substances present in harmful flue gas and discharges it into the atmosphere as a harmless discharge gas,
A wind power generation unit generating wind power by using intake air flowing into the space including the engine room and the indoor space or exhaust air discharged outside the space;
A desulfurization denitrification unit for removing harmful substances from the harmful flue gas;
A plasma power supply unit connected between the wind power generation unit and the desulfurization denitrification unit and supplying the wind power generation power input from the wind power generation unit to a low temperature plasma reaction module provided in the desulfurization denitrification unit;
Flue gas desulfurization and denitrification equipment using wind power generation including a.
The method of claim 1,
A first duct connected to one side of the engine room for inflow of the intake air;
A first fan device coupled to the first duct to flow the intake air;
A second duct connected to the other side of the engine room for discharge of the exhaust air;
A second fan device coupled to the second duct to flow the exhaust air;
Flue gas desulfurization and denitrification equipment using wind power generation including a.
The method of claim 1,
The wind power generation unit,
A wind power generator in which a plurality of blades are rotated and generated as the fluid flows;
A body part which is wrapped in a non-contact manner outside the wing of the wind turbine and supports the prop of the wind turbine;
A plurality of duct connectors formed on one side of the body to couple the corresponding ducts for the intake air or the inlet air inlet;
A plurality of outlets formed on the other side of the body portion;
An output port for a wind turbine formed on an upper surface or a lower surface of the body portion;
Flue gas desulfurization and denitrification equipment using wind power generation including a.
The method of claim 1,
The wind power generation unit,
An auxiliary duct extending from the duct of the fan device for the indoor space to receive the intake air or the exhaust air of the indoor space,
Flue gas desulfurization and denitrification apparatus using wind power generation further comprising.
The method of claim 1,
The desulfurization denitrification unit,
A modular casing in which the selective catalytic reduction module for the harmful flue gas purification process and the low temperature plasma reaction module are installed in one inner support frame to be integrally formed;
By-product discharge processing unit coupled to the lower portion of the module casing to discharge the various by-products generated by the selective catalytic reduction module and the low temperature plasma reaction module to the outside,
Flue gas desulfurization and denitrification equipment using wind power generation including a.
The method of claim 1,
A power supply automatic switching device connected between the wind power generator and the plasma power supply, and configured to provide any one of wind power, commercial power, and power storage to the plasma power supply;
Flue gas desulfurization and denitrification apparatus using wind power generation further comprising.
The method of claim 1,
The desulfurization denitrification unit is a flue gas desulfurization denitrification facility using a wind power generation that is further combined with an economizer or silencer for the post-treatment process.

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