KR102263523B1 - A air blower unit for exhaust gas with space-ring - Google Patents

Abstract

The present invention relates to an air blower unit for exhaust gas having a space ring for air injection. More particularly, the present invention relates to an air blower unit including a hollow space ring which is positioned between exhaust gas flow pipes through which the exhaust gas flows, and through which the exhaust gas flows into the hollow in a state in communication with the exhaust gas flow pipes. According to the present invention, the space ring comprises: a ring body in which a body air flow path is formed so that air flows inside the body; and an air ejector mounted on one side of the ring body to supply the air so that the air flows into the body air flow path. The ring body includes: a body support on which the air ejector is mounted on one side; and an air flow path forming plate mounted on the other side of the body support.

Description

A air blower unit for exhaust gas with space-ring

The present invention relates to an air blower unit for exhaust gas having a space ring for air injection, so that powder such as dust or scattered dust is prevented from accumulating inside an exhaust gas flow pipe to cause a smooth flow of exhaust gas , a space ring comprising an air ejector capable of injecting heated air at a strong flow velocity and a ring body having an air passage capable of increasing the flow velocity of air injected from the air ejector is formed between the exhaust gas flow pipe. However, by placing two or more space rings in different directions in which the air is sprayed, increase the flow rate and strength of the vortex of the air ejected by the space ring to smoothly flow the exhaust gas in a state in which the powder is not accumulated. It relates to an air blower unit for inducible exhaust gases.

In general, an air blower is blown to introduce an external gas to the inside or blown to exhaust the internal gas to the outside.

In general, an air blower rotates a fan to blow air, and during long-term use, high heat is generated in the motor, powder, etc. are accumulated on the blades of the fan, and furthermore, there is a problem in safety that sparks are generated by the accumulated powder.

Accordingly, the intake/exhaust device disclosed in the prior art Registered Utility Model No. 20-0172668 has a trumpet-shaped discharge hole formed from the left curved surface, and combines a cylindrical body having a threaded portion on the middle outer circumferential surface and a cylindrical outer body having a left curved surface to form a pneumatic chamber and an arrow The circulating gas is ejected in the direction of intake and exhaust by the ejection phenomenon.

However, in this prior art intake and exhaust device, the air outlet of the pneumatic chamber is located in the intake pipe direction rather than the portion where the circulating gas is supplied to the pneumatic chamber, so that the circulating gas ejection direction is ejected to the intake pipe rather than the discharge hole of the cylindrical body and is sucked into the intake pipe. There was a problem in that back pressure was generated by rather obstructing the air.

In particular, the intake pipe is fixed to the cylindrical body using a fixing nut, and the pneumatic pressure generated by the release of the fixing by the pressure by the circulating gas or the impact transmitted from the outside is unstable, so there is a problem that the circulation amount is irregular.

In order to solve this problem, the intake pipe, fixing nut, and cylindrical body are sealed and fixed by welding, etc., but losses may occur due to the inability to control the pressure depending on the conditions during operation. There was a problem that the device had to be replaced.

Accordingly, the present applicant has proposed an improved emission control air blower unit through Patent Application No. 10-2014-0130639.

As such, in the case of the air blower unit previously applied by the present applicant, a pressure difference is generated by the supplied circulating gas, and the gas flows in through the inlet pipe and is quickly discharged to the outlet pipe, and the inlet and outlet pipes are separated by controlling the supply amount of the circulating gas. It is possible to control the amount of air blown through the system, so compatibility and work efficiency can be improved.

However, in the case of the air blower unit previously applied by the present applicant, the above-described effect is exhibited, but when used for a long time, powder such as scattering dust or dust may accumulate on the inner surface of the flow pipe of the exhaust gas, and the accumulated powder, etc. There is a risk of sticking to the inner surface, and a solution to scale generation that may be generated on the inner surface of the exhaust gas pipe due to the scale-inducing component contained in the exhaust gas passing through the pipe has not been proposed.

In particular, in the case of a thermal power plant, unlike general exhaust gas, it contains a large amount of scattering dust or dust. Therefore, when the exhaust gas does not flow at a flow rate above a certain level, powder such as scattering dust or dust is placed on the inner surface of the exhaust gas flow pipe. is accumulated, resulting in a vicious cycle in which the accumulation of powder is increased as the flow rate of the exhaust gas is significantly lowered, and as the exhaust gas flow pipe is finally clogged, the cost or time for processing such as cleaning or reinstalling it is consumed a lot, The prior art does not propose a solution to this problem.

In order to solve the problems according to the prior art described above, it is installed between the exhaust gas flow pipes to increase the flow rate and strength of the vortex of the exhaust gas so as not to accumulate powder or the like inside the exhaust gas flow pipe, and, accordingly, the exhaust gas to the exhaust gas flow pipe We would like to propose an air blower unit for exhaust gas that can cause smooth flow of

In order to solve the problems of the prior art described above, the air blower unit for exhaust gas according to the present invention is located between the exhaust gas flow pipe 10 through which the exhaust gas flows, and in a state in communication with the exhaust gas flow pipe 10 In the air blower unit comprising a hollow space ring (200, 200') in which the exhaust gas flows to the inside of the hollow,

The space ring (200, 200'), the body air flow path (232-2, 233-2) is formed so that the air flows inside the body ring body 230; and an air ejector 210 mounted on one side of the ring body 230 to supply air to the body air passages 232-2 and 233-2 to flow air,

The ring body 230 includes a body support 238 on which the air ejector 210 is mounted on one side; and air passage forming plates 231,232 and 233 mounted on the other side of the body support 238 .

Preferably, the body air flow path (232-2, 233-2) is formed between a plurality of the air flow path forming plate (231,232, 233),

While the air ejector 210 is mounted on the body support 238 and in close contact with the plurality of air passage forming plates 231,232,233, the air supplied from the air ejector 210 is supplied to the body air passage 232- 2,233-2).

Preferably, the ring body 230 is an air guide that is in close contact with the other side of the air passage forming plate 231,232,233 in a state where one side of the air passage forming plate 231,232,233 is mounted on the body support 238. plates 234,235,236; and circumferential air guide grooves (232-4, 233-4) formed along the periphery of the outer surface of the air flow path forming plate (231,232, 233) at the portion where the air guide plate (234, 235, 236) is in close contact with the other side of the air flow path forming plate (231,232, 233) further comprising,

The air flowing into the body air passages 232-2 and 233-2 may flow along the circumferential air guide grooves 232-4 and 233-4.

Preferably, body air injection holes 234-8 and 235-8 are formed in the air guide plates 234, 235, 236 at regular intervals, and the air flowing into the body air passages 232-2 and 233-2 is the body air. It may flow into the injection holes 234-8 and 235-8 to be injected.

Preferably, the plurality of air passage forming plates (231,232, 233) includes an inner air passage forming plate 233 constituting the inner surface of the space ring (200, 200'); an intermediate air passage forming plate 232 positioned in close contact with the inner air passage forming plate 233; and a cover air passage forming plate 231 positioned in close contact with the intermediate air passage forming plate 232,

The body air passages 232-2 and 233-2 include a lower body air passage 233-2 formed between the inner air passage forming plate 233 and the intermediate air passage forming plate 232; and an upper body air passage 232-2 formed between the intermediate air passage forming plate 232 and the cover air passage forming plate 231,

The plurality of air guide plates (234, 235, 236) is an inner air guide plate (234) in close contact with the inner air passage forming plate (233); a cover air guide plate 236 in close contact with the intermediate air passage forming plate 232 and the cover air passage forming plate 231; and an intermediate air guide plate 235 in close contact with the inner air guide plate 234 and the cover air guide plate 236,

The body air injection hole (234-8, 235-8) is a lower body air injection hole (234-8) formed in the inner air guide plate (234); and an upper body air injection hole (235-8) formed in the intermediate air guide plate (235),

The circumferential air guide groove (232-4, 233-4) is a lower circumferential air guide groove (233-4) formed along the outer circumference of the inner air passage forming plate (233); and an upper peripheral air guide groove (232-4) formed along the periphery of the outer surface of the intermediate air passage forming plate (232),

As the air flowing into the upper body air passage 232-2 flows along the upper peripheral air guide groove 232-4, it flows into the upper body air injection hole 235-8 and is sprayed, and the lower body The air flowing into the air passage (233-2) flows along the lower circumferential air guide groove (233-4) and flows into the lower body air injection hole (234-8) and is sprayed,

The inner air guide surface 233 which is the outer surface of the distal end of the inner air passage forming plate 233 through which the air injected from the upper body air injection hole 235-8 and the lower body air injection hole 234-8 is -6) can be flowed.

According to the present invention, a space ring comprising a ring body in which an air ejector capable of injecting heated air at a strong flow velocity and an air passage capable of increasing the flow velocity of air injected from the air ejector is formed is exhaust gas. By locating two or more space rings with different directions in which air is sprayed, it is possible to increase the flow rate and strength of the vortex of the exhaust gas in a state where the powder is not accumulated inside the exhaust gas flow pipe. It is possible to cause a smooth flow of the exhaust gas through the exhaust gas flow pipe.

1 is a view schematically illustrating a state in which an air blower unit according to the present invention is connected to a flow pipe.
2 to 5 are diagrams schematically showing components necessary for the supply and flow of air in a state in which the cover is removed from the air blower unit according to the present invention.
6 to 9 are diagrams schematically illustrating an air blower unit in a state in which two space rings capable of moving forward and backward are mounted.
10 to 18 are views schematically showing a space ring included in the air blower unit according to the present invention.
19 is a view schematically showing the overall shape of the air ejector included in the space ring in the air blower unit according to the present invention.

Hereinafter, preferred embodiments of the method according to the present invention will be described with reference to the accompanying drawings. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to the intention or custom of the user or operator. Therefore, definitions of these terms should be made based on the content throughout this specification.

It will be described with reference to FIGS. 1 to 19 .

The air blower unit 1000 according to the present invention supplies air to the space ring 200 and 200 ′ and the component 100 necessary for the forward and backward movement of the space ring 200 , the space ring 200 and 200 ′, and the space ring combination It includes a unit 400 and a government fixing unit 500 .

A component 100 necessary for air to be supplied from the outside to the space rings 200 and 200 ′ will be described with reference to FIGS. 1 to 5 .

The air blower unit 1000 according to the present invention is located between the exhaust gas flow pipe 10 through which the exhaust gas flows, and increases the flow rate of the exhaust gas flowing into the exhaust gas flow pipe 10 and the strength of the exhaust gas vortex ( see Fig. 1).

One or more space rings 200 and 200 ′ may be mounted on the air blower unit 1000 according to the present invention. The drawing shows an embodiment in which two space rings 200 and 200' are mounted. Accordingly, the component 100 for supplying air to each of the space rings 200 and 200 ′ may also be divided into each.

Of course, the component 100 for supplying air may be mounted between the outer surfaces of the space rings 200 and 200 ′ and the cover of the air blower unit 1000 .

Air flows into the air supply hole 110 from the outside, and the introduced air flows through the air flow pipe and flows into the first air heating unit 120 . The air may be heated to a certain temperature or more in the primary air heating unit 120 so that the flow rate of the air introduced into the space rings 200 and 200 ′ is increased. The primary air heating unit 120 may be heated while the air flows into a predetermined space in a state in which a heating means such as a radiator is provided therein in a state formed in a predetermined space.

Air heated in the primary air heating unit 120 may flow to the purge control unit 130 . The Pitot tube (not shown) senses the wind pressure, air volume, wind speed and temperature of the exhaust gas flowing into the hollow of the space rings 200 and 200 ′, and removes the powder accumulated on the outer surface of the Pitot tube (not shown). In order to do this, the supply of air to the injection hole (not shown) formed in the Pitot tube (not shown) and the supply of air to the space rings 200 and 200 ′ may be controlled by the purge control unit 120 .

Air leaked from the purge control unit 130 may be introduced into the manifold 140 . Since the space rings 200 and 200' have a circular shape, air may be supplied at regular intervals along the outer surfaces of the space rings 200 and 200', and thus the air flowing into the purge control unit 130 is such a manifold. It may be configured so that air flows to each air flow tube while passing through ( 140 ).

Air leaked from the manifold 140 may flow to the secondary air heating unit 150 . The temperature of the air supplied to the space rings 200 and 200 ′ may vary, but preferably may be approximately 80 to 100° C. Therefore, even if the air heated by the first air heating unit 120 does not reach the desired temperature, it may be heated while passing through the second air heating unit 15 .

A plurality of these secondary air heating units 150 may be mounted on the outer surfaces of the space rings 200 and 200 ′. That is, each of the space rings 200 and 200 ' can be mounted on each part to which air is supplied, and one secondary air heating unit 150 per compartment can be mounted in a state partitioned into a certain part. Of course.

Air heated by the secondary air heating unit 150 may flow to the air distribution pipe 160 . As described above, there may be a plurality of portions to which air is supplied along the outer surfaces of the space rings 200 and 200 ′ at regular intervals, and the air flow pipe 170 communicating with these plurality of portions is separated in a number of days. can

In a state in which these plurality of air flow pipes 170 are in communication with any one of the air distribution pipes 160, the air flowed to the air distribution pipe 160 is flowed into these air flow pipes 170 to space rings 200, 200'). Air is supplied to each. Specifically, the heated air flowing into the air flow pipe 170 is introduced into the ejector air inlet 212 of the air ejector 210 .

Heating in the primary air heating unit 120 and the secondary air heating unit 150 and air supply in the purge control unit 130 may be controlled by the control unit 180 . A sensed value for the state of the exhaust gas sensed by the pitot tube (not shown) is input to the controller 180 , and the controller 180 may control air heating and air supply according to the state of the exhaust gas.

Furthermore, over time, powder and the like are accumulated in the part where the spacer rings 200 and 200' are mounted. In this state, in order to minimize the decrease in the function of the space rings 200 and 200', the spacer rings 200 and 200' are moved. It can be configured to be

Specifically, in a state in which the space rings 200 and 200 ′ are fixed, powder, etc. may be accumulated in a portion where air is sprayed according to operation for a long time. In order to remove the accumulation of such powder, the air in the space rings 200 and 200 ′ The part or the space ring 200 and 200 ′ to which is injected may be configured to move forward or backward.

The forward or backward movement of the space rings 200 and 200 ′ may be performed by the operation of the motor unit 190 mounted on one side. The operation of the motor unit 190 may also be controlled by the control unit 180 .

It will be described with reference to FIGS. 7 and 9 .

The air blower unit 1000 according to the present invention is located between the flow pipes 10 through which the exhaust gas flows, and a hollow space ring through which the exhaust gas flows into the hollow in a state in communication with the flow pipe 10 ( 200,200').

There may be two or more of these space rings 200 and 200 ′, and these two or more space rings 200 and 200 ′ may be positioned at regular intervals. Specifically, the space rings 200 and 200 ′ may include a first space ring 200 and a second space ring 200 ′ positioned at regular intervals from the first space ring 200 .

Heated air is injected into the body air injection holes 234-8, 235-8 formed in the space rings 200 and 200', and the injected air is formed in a constant surface with the inner air guide surface 233-6 and the inner air in the form of a groove. It flows into the guide groove 233-8, and then merges with the exhaust gas flowing into the hollow of the space rings 200 and 200'. As the air injected from the space rings 200 and 200' is merged with the exhaust gas, the flow rate of the exhaust gas is further increased, and further, a vortex is formed in the flow of the exhaust gas. Powder accumulation inside the flow pipe 100 may be minimized due to the increased flow velocity of the exhaust gas and the increased strength of the vortex.

There may be two or more of these space rings 200 and 200', preferably two.

When there are two space rings 200 and 200 ′, it is necessary to change the injection direction of the air injected from the space rings 200 and 200 ′. This is to minimize the accumulation of powder inside the exhaust gas flow pipe 10 by increasing the flow velocity of the exhaust gas and the strength of the vortex.

Accordingly, the position of the first space ring 200 and the position of the second space ring 200' may be located on the same horizontal line as a whole, but the body air injection hole 234 formed in each of the space rings 200 and 200'. -8,235-8) need not be located on the same horizontal line. Specifically, the positions of the body air injection holes 234-8 and 235-8 formed in the first space ring 200 and the positions of the body air injection holes 234-8 formed in the second space ring 200' are the same horizontal line. Since it is not positioned on the top, the injection direction of the air injected from the first spacer 200 and the second spacer 200 ′ may be different from each other.

A plurality of air ejectors 210 through which air supplied from the air distribution pipe 160 to the air flow pipe 170 is introduced may be mounted on the space rings 200 and 200 ′. That is, the air flowing through the air flow tube 170 is introduced into the plurality of air ejectors 210 mounted on the space rings 200 and 200 ′, and the air having an increased flow rate from the air ejectors 210 may be injected again.

A plurality of air ejectors 210 are mounted on the space rings 200 and 200 ′, and the number and number of air ejectors 210 mounted on the first space ring 200 in order to vary the flow rate and direction of the sprayed air. 2 The number of air ejectors 210 mounted on the space ring 200 ′ may be different from each other.

Furthermore, as described above, in a state in which the space rings 200 and 200 ′ are fixed, powder, etc. may be accumulated in a portion where air is sprayed according to operation for a long time. Before and after the space rings 200 and 200 ′ to remove the accumulated powder. Jin can be moved

9, the air blower unit 1000 according to the present invention communicates with the exhaust gas flow pipe 10 in a state in which one side of the ring body 230 of the space rings 200 and 200' is inserted, and the ring body It may include a body guide communication part 300 through which the exhaust gas flowing into the hollow of the 230 flows.

In this state, in a state in which one side of the ring body 230 of the space rings 200 and 200 ′ is inserted into the body guide communication tube 300 , one side of the ring body 230 moves forward and backward from the inside of the body guide communication tube 300 . This may be possible.

Specifically, in the air blower unit 1000 according to the present invention, the space ring coupling unit 400 may be coupled to one side of the space rings 200 and 200 ′. It may include a tube fixing part 500 connected to the space ring coupling part 400 . Furthermore, for the forward and backward movement of the first space ring 200 according to the forward and backward movement of the second space ring 200 ′, the first space ring 200 and the second space ring 200 ′ are connected to the space ring connection part. may be connected by 450 . One end of the space ring connection part 450 is coupled to the space coupling part 400 of the first space ring 200, and the other end of the space ring connection part 450 is the space coupling part ( As it is coupled to the 400 , the first space ring 200 may also be moved forward and backward according to the forward and backward movement of the second space ring 200 ′.

As the space rings 200 and 200' move forward and backward, the air flow pipe 170 connected to the air ejector 210 of the space rings 200 and 200' also needs to be moved forward and backward. Accordingly, the linear guide 175 is positioned at a certain portion where the air flow pipe 170 extends, and in a state where the air flow pipe 170 is located inside the linear guide 175, the space rings 200 and 200 ′ are As the air flow pipe 170 moves forward and backward, the air flow pipe 170 can be moved forward and backward without leakage of the air flowing through the air flow pipe 170 .

The forward and backward movement of the second space ring 200 ′ may be made by the operation of the motor unit 190 coupled to the space ring coupling portion 400 of the second space ring 200 ′. Specifically, power transmission of the motor unit 190 may be achieved through the power transmission plate 195 coupled to the space ring coupling unit 400 of the second space ring 200 ′.

Furthermore, the air blower unit 1000 according to the present invention may include a shock damper 430 positioned between the space ring coupling part 400 and the pipe fixing part 500 . The space ring coupling part 400 may be moved forward and backward by the operation of the motor part 190 in a state coupled to the space rings 200 and 200 ′, but the pipe fixing part 500 is the exhaust gas flow pipe 10 or the body guide. It is possible to maintain a fixed state despite the forward and backward movement of the space ring coupling portion 400 in a state in which the communication tube 300 is connected.

In order to minimize the impact that may be applied to the pipe fixing part 500 in a fixed state by the backward movement of the space ring coupling part 400, a plurality of shock relief dampers at regular intervals along the circumference of the space ring coupling part 400 ( 430) may be mounted.

In a state in which the shock damper 430 is mounted on the space ring coupling part 400 , one end of the shock damper 430 may maintain a state in contact with the pipe fixing part 500 .

Referring to FIG. 8 , based on the direction in which the exhaust gas flows, the pipe fixing part 500 is connected to the exhaust gas flow pipe 10 through which the exhaust gas flows, and the second space ring 200 ′ is connected to the pipe fixing part 500 . ) of the space ring coupling part 400 is connected. One side of the body guide communication unit 300 is connected to the second space ring 200 ′, and then the tube fixing unit 500 is connected to the other side of the body guide communication unit 300 again. Thereafter, the space ring coupling part 400 of the first space ring 200 is connected to the tube fixing part 500 , the body guide communication part 300 is connected to the first space ring 200 , and finally the body guide The exhaust gas flow pipe 10 through which the exhaust gas flows is connected to the communication part 300 .

A venturi tube may be formed as the inner diameter of the hollow formed by the exhaust gas flow pipe 10 through which the exhaust gas flows and the pipe fixing part 500 connected thereto is reduced. Similarly, from the inside of the hollow formed by the body guide communication part 300 connected to the second space ring 200 ′ and the tube fixing portion 500 connected to the space ring coupling portion 400 of the first space ring 200 . As the diameter decreases, the venturi tube can be formed again. Furthermore, of course, a venturi tube may also be formed inside the hollow formed by the body guide communication part 300 connected to the first space ring 200 and the exhaust gas flow pipe 10 from which the exhaust gas is discharged.

The space rings 200 and 200 ′ will be described with reference to FIGS. 10 to 18 .

As described above, the spacer rings 200 and 200' include the first spacer 200 and the second spacer 200'. The components of the first spacer 200 and the second spacer 200' are the same except for differences in some predetermined components.

The space rings 200 and 200' include an air ejector 210 and a ring body 230, and the other side of the ring body 230 to which the air ejector 210 is coupled can be inserted into the body guide communication tube 300 described above. have.

The air ejector 210 will be described with reference to FIG. 19 .

The heated air flows into the air flow tube 170 and flows into the ejector air inlet 212 of the air ejector 210 . Body air passages 232-2 and 233-2 are formed inside the body of the ring body 230 to allow air to flow, and the air ejector 210 allows air to flow through these body air passages 232-2 and 233-2. Supply air as much as possible. The air ejector 210 is in close contact with the ring body 230 in a state in which it is mounted on the body support 238 of the ring body 230 .

The air ejector 210 includes an ejector air inlet 212 through which air is introduced, an ejector air room 214 formed with a certain space inside in a state in communication with this ejector air inlet 212, and such an ejector air room 214. The ejector air outlet holes 218 and 218-1 through which the air introduced into the ejector air room 214 flows out in the state of being in communication with the ejector air, and the ejector air connecting the ejector air room 214 and the ejector air outlet holes 218 and 218-1 A flow path 216 may be included.

The air flowing through the air flow pipe 170 flows into the ejector air inlet 212 and flows into the ejector air room 214 . The air flowing into the ejector air room 214 flows out to the ejector air outlet holes 218 and 218-1 through the ejector air passage 216 .

In a state where the position of the ejector air room 214 is higher than the ejector air outlet hole 218 , air may be accelerated from the ejector air room 214 to the ejector air outlet hole 218 - 1 and flow out. That is, as the ejector air passage 216 extends downward in a state in which the ejector air room 214 is positioned higher than the ejector air outlet holes 218 and 218-1, the air flow rate may be increased.

After the air that has flowed into the air flow pipe 170 flows to the ejector air room 214 through the ejector air inlet 212, the air that has flowed into the ejector air room 214 is blocked from flowing back into the ejector air inlet 212. In order to do this, a damper (not shown) for preventing air backflow may be mounted on the ejector air inlet 212 .

During the process of air flowing from the ejector air room 214 to the ejector air outlet holes 218 and 218-1, the ejector air passage 216 is configured such that the cross-sectional area of the passage space becomes narrower in the downward direction to increase the flow velocity of the air can be

Furthermore, in order to increase the flow rate of the air flowing into and out of the air ejector 210 , the ejector air room 214 may be formed as a single space, and a plurality of ejector air separated from each other in the ejector air room 214 . A flow path 216 may communicate. That is, a plurality of ejector air passages 216 are connected to one ejector air room 214 so that air can be dispersed and flowed into the ejector air passage 216 . The dispersed and flowing air may be further accelerated as it flows into the ejector air passage 216 in which the cross-sectional area of the air passage becomes narrower in the downward direction.

A plurality of ejector air outlet holes 218 and 218 - 1 may be formed in a state separated from each other so as to correspond to each of the plurality of ejector air passages 216 .

A plurality of air ejectors 210 may be mounted at regular intervals from the ring body 230 . That is, a plurality of air ejectors 210 are mounted along the circumference of one side of the hollow ring body 230, and may be mounted at regular intervals.

Specifically, the plurality of air ejectors 210 may be in close contact with the ring body 230 while being mounted on the body support 238 of the ring body 230 . Since the air ejector 210 is mounted on the body support 238 and can be detachably mounted, the number of air ejectors 210 mounted on the body support 238 can be adjusted.

A plurality of air ejectors 210 may be mounted on one body support 238 in consideration of the flow velocity, direction, and vortex generation of air, and the plurality of air ejectors 210 may be mounted in close contact with each other. Or, of course, they may be mounted at regular intervals from each other.

When a plurality of air ejectors 210 at regular intervals are mounted on the body support 238 , a gap holder 210-1 is installed to fill the gap between the air ejectors 210 and the air ejectors 210 . can

The air ejector 210 may be mounted in a state in which the gap holder 210 - 1 is detached, or the gap holder 210 - 1 may be mounted in a state in which the air ejector 210 is detached, discharge. Of course, the number of air ejectors 210 mounted on the body support 238 can be adjusted in consideration of the flow velocity, direction, and temperature of the gas. Therefore, it is possible to increase or decrease the number of air ejectors 210 according to the state of the exhaust gas with one body support 238, a plurality of air ejectors 210, and a plurality of spacer holders 210-1, It is possible to control the pressure of the air joining the gas, the strength of the vortex or the flow rate.

When there are two space rings 200 and 200 ′ included in the air blower unit 1000 according to the present invention, the number of air ejectors 210 mounted on the first space ring 200 and the second space ring 200 ′ The number of the air ejectors 210 mounted to may be different from each other. As different numbers of air ejectors 210 are mounted on each of the first space ring 200 and the second space ring 200 ′ of the body support 238 of the same size, the position of the mounted air ejector 210 . Of course, it may be configured so that they do not correspond to each other.

That is, the position of the first space ring 200 and the position of the second space ring 200 ′ may be located on the same horizontal line as a whole, but the position of the air ejector 210 mounted on each body support 238 . need not be located on the same horizontal line.

The flow velocity of the air injected from the plurality of air ejectors 210 mounted on the space rings 200 and 200 ′ may be varied. That is, the size of the space of the ejector air room 214 of one of the air ejectors in the plurality of air ejectors 210 mounted on the ring body 230 and the space of the ejector air room 214 of the other air ejector. They may be of different sizes.

Furthermore, by varying the flow velocity of the air sprayed along the circumference of the ring body 230, increasing or decreasing the flow velocity in one direction may further increase the strength of the vortex. That is, in a state in which the plurality of air ejectors 210 are in close contact with each other, or in a state in which they are mounted along the circumference of the ring body 230 at regular intervals, as the circumference of the ring body 230 is followed, the number of air ejectors ( 210) The size of the space of the ejector air room 214 formed in each may be increased or decreased.

Therefore, the flow rate of the air injected from the space rings 200 and 200 ′ may be different for each part of the space rings 200 and 200 ′, and as the air injected into the space rings 200 and 200 ′ is merged with the exhaust gas, the flow rate of the exhaust gas increases. In addition, it is possible to increase the strength of the vortex of the exhaust gas due to the vortex formed by the flow velocity of the air different for each part.

As will be described later, an upper body air flow path 232-2 and a lower body air flow path 233-2 may be formed in the ring body 230 . The upper body air flow path 232-2 and the lower body air flow path 233-2 may be separated from each other.

As described above, the air injected from the air ejector 210 may flow to the above-described upper body air flow path 232-2 or lower body air flow path 233-2 of the ring body 230 .

A plurality of air ejectors 210 that are in close contact with the ring body 230 in which the upper body air passage 232-2 and the lower body air passage 233-2 are formed also have ejector air outlet holes 218 and 218-1 corresponding thereto. needs to be formed. That is, the position of the ejector air outlet hole 218 for injecting air flowing into the upper body air passage 232-2 and the ejector air outlet hole 218 for injecting air flowing into the lower body air passage 233-2 -1) may be different. In a state where the upper body air flow path 232-2 is positioned above the lower body air flow path 233-2, any one of the air ejectors 210 injects air flowing into the upper body air flow path 232-2. The height of the ejector air outlet hole 218 may be higher than that of the ejector air outlet hole 218-1 for injecting air flowing from the other air ejector 210 to the lower body air passage 233-2.

A plurality of air ejectors 210 are mounted on the space rings 200 and 200 ′, and the ejector air outlet holes 218 corresponding to the upper body air passages 232-2 are formed in the air ejectors 210 and the lower body air passages. Two types of air ejectors 210 in which ejector air outlet holes 218-1 corresponding to 233-2 are formed may be alternately mounted along the circumferences of the space rings 200 and 200'.

As described above, the spacer rings 200 and 200' may include the first spacer 200 and the second spacer 200'.

The air ejector 210 and the lower body air flow path in which the ejector air outlet hole 218 corresponding to the upper body air flow path 232-2 is formed in both the first space ring 200 and the second space ring 200' Two types of air ejectors 210 having ejector air outlet holes 218-1 corresponding to 233-2) may be alternately mounted.

Alternatively, two types of air ejectors 210 may be alternately mounted on only one of the first space ring 200 and the second space ring 210, and the other one of the two types of air ejectors Of course, only 210 can be mounted.

This is to increase the intensity of the vortex of the exhaust gas while increasing the flow velocity of the exhaust gas by varying the flow speed and direction of the air injected from the first space ring 200 and the second space ring 200 ′ and the strength of the vortex.

A plurality of body air passages 232-2 and 233-2 are formed in the ring body 230. As described above, the air injected from the air ejector 210 flows into the plurality of body air passages 232-2, 233-2, and the air that flows into the body air passages 232-2 and 233-2 flows into the ring body 230 ) flows into the body air injection holes (234-8, 3235-8) formed on the other side and is sprayed.

The ring body 230 includes a body support 238 and a plurality of air passage forming plates 231,232 and 233. The air ejector 210 is mounted on the body support 238, and a plurality of air passage forming plates 231,232,233 are stacked and mounted, and body air passages 232-2,233-2 between the plurality of air passage forming plates 231,232,233. can be formed.

In a state in which the air ejector 210 is mounted on the body support 238 , it may be in close contact with one end of the plurality of air passage forming plates 231,232 and 233 . Accordingly, the air supplied from the air ejector 210 may flow into the body air passages 232-2 and 233-2 formed on the air passage forming plates 231,232 and 233.

The plurality of air flow path forming plates 231,232, 233 is an inner air flow path forming plate 233 constituting the inner surface of the space ring 200 and 200 ′, an intermediate air flow path forming plate positioned in close contact with the inner air flow path forming plate 233 . 232 and a cover air passage forming plate 231 positioned in close contact with the intermediate air passage forming plate 232 may be included.

Accordingly, the body air passages 232-2 and 233-2 are formed between the inner air passage forming plate 233 and the intermediate air passage forming plate 232, the lower body air passage 233-2 and the intermediate air passage forming plate ( 232 ) and an upper body air passage 232 - 2 formed between the cover air passage forming plate 231 .

Furthermore, as the inner air passage forming plate 233 and the intermediate air passage forming plate 232 are in close contact, one end of the state in which the inner air passage forming plate 233 and the intermediate air passage forming plate 232 are in close contact with the lower body air A flow passage inlet 232-1 may be formed, and as the intermediate air passage forming plate 232 and the cover air passage forming plate 231 are in close contact with each other, the intermediate air passage forming plate 232 and the cover air passage forming plate 231 are in close contact. ), an upper body air flow inlet 231-1 may be formed at one end of the state in which it is in close contact.

Among the ejector air outlet holes 218 and 218-1 of the air ejector 210, the ejector air outlet hole 218 corresponding to the upper body air passage 232-2 is in close contact with the upper body air passage inlet 231-1. air flows in the , and the ejector air outlet hole 218-1 corresponding to the lower body air passage 233-2 is in close contact with the lower body air passage inlet 232-1, so that the air can flow.

As described above, the ring body 230 of the first space ring 200 has an upper body air flow path 232-2, an upper body air flow path inlet 231-1, and a lower body air flow path 233-2, and The lower body air flow path inlet 232-1 may be formed, and thus the air ejector 210 and the lower body air flow path provided with the ejector air outlet hole 218 corresponding to the upper body air flow path 232-2 (232-2) The air ejectors 210 provided with the ejector air outlet holes 218-1 corresponding to 233-2) may be alternately mounted on the first space ring 200 . The second spacer 200 ′ may be the same as that of the first spacer 200 .

Alternatively, only the lower body air flow path 233-2 and the lower body air flow path inlet 232-1 may be formed in the ring body 230 of the second space ring 200', and thus the lower body air flow path 233 Only the air ejector 210 provided with the ejector air outlet hole 218-1 corresponding to -2) may be mounted on the second space ring 200'.

Alternatively, only the upper body air flow path (not shown) and the upper body air flow path inlet (not shown) may be formed in the ring body 230 of the second space ring 200 ′, and thus the upper body air flow path (not shown). Only the air ejector 210 provided with an ejector air outlet hole (not shown) corresponding to may be mounted.

The body air passages 232-2 and 233-2 may be formed to extend in an oblique direction, and may be formed such that the cross-sectional area of the passage space becomes narrower in the diagonal direction. That is, the air ejector 210 is formed to extend from one side of the ring body 230 to the other side in an oblique direction, and may be formed so that the cross-sectional area of the flow path becomes narrower from one side to the other side. This is to increase the flow rate of the air injected from the space rings 200 and 200' and increase the strength of the vortex.

The air flowing into the body air passages 232-2, 233-2 is sprayed while flowing into the body air injection holes 234-8 and 235-8, and the body air injection holes 234-8 and 235-8 are also the body air flow passages. It is preferably formed in the same diagonal direction as the diagonal direction of (232,233-2). This is to increase the air flow velocity and the strength of the air vortex.

The ring body 230 is an air guide plate (234,235,236), which is in close contact with the other side of the air passage forming plate (231,232,233) in a state in which one side of the air passage forming plate (231,232,233) is mounted on the body supporter (238), the air passage forming plate Air guide grooves (232-4, 233-4) formed along the outer periphery of the air passage forming plate (231,232, 233) to the portion to which the air guide plates (234, 235, 236) are in close contact on the other side of (231,232, 233) may be further included. The air guide plates 234 , 235 , and 236 may be vertically mounted on the air flow path forming plates 231,232 and 233 in the horizontal direction.

Accordingly, the air flowing into the body air passages (232-2, 233-2) may flow along the peripheral air guide grooves (232-4, 233-4). That is, the air flowing into the body air flow path (232-2, 233-2) having a narrow cross-sectional area will flow into the circumferential air guide groove (232-4, 233-4) communicating with one end of the body air flow path (232-2, 233-2). can

The air flowing into the body air passages (232-2, 233-2) flows to the body air injection holes (234-8, 235-8) to be described later, and at the same time, the excess air flows into these peripheral air guide grooves (232-4, 233-4) can be Air flowing along the circumferential air guide grooves 232-4 and 233-4 may also flow into the body air injection holes 234-8 and 235-8 to be described later.

These body air injection holes (234-8, 235-8) may be formed in the air guide plate (234, 235, 236) at regular intervals. As the circumferential air guide grooves 232-4 and 233-4 are formed in the portion where the air guide plates 234, 235, and 236 are mounted in the air passage forming plate 231,232,233, it flows along the circumferential air guide grooves 232-4, 233-4. Air may flow into the body air injection holes 234-8 and 235-8 formed in the air guide plates 234, 235, and 236 to be injected.

The plurality of air guide plates 234 , 235 , 236 is an inner air guide plate 234 in close contact with the inner air passage forming plate 233 , the intermediate air passage forming plate 232 and the cover air in close contact with the cover air passage forming plate 231 . It may include a guide plate 236 , an inner air guide plate 234 , and an intermediate air guide plate 235 in close contact with the cover air guide plate 236 .

Accordingly, the body air injection holes 234-8 and 235-8 are formed in the lower body air injection hole 234-8 formed in the inner air guide plate 234 and the upper body air injection hole formed in the middle air guide plate 235 ( 235-8).

The circumferential air guide grooves 232-4 and 233-4 are formed along the outer circumference of the inner air passage forming plate 233 and the outer circumference of the lower circumferential air guide groove 233-4 and the intermediate air passage forming plate 232. It may include an upper peripheral air guide groove (232-4) formed along the.

The air flowing into the upper body air passage 232-2 flows directly into the upper body air injection hole 235-8 and is sprayed, or flows along the upper peripheral air guide groove 232-4 while the intermediate air guide plate ( It may flow and be sprayed into the upper body air spray hole 235-8 formed in 235).

The air flowing into the lower body air passage (233-2) flows directly into the lower body air injection hole (234-8) and is sprayed, or flows along the lower peripheral air guide groove (233-4) while the inner air guide plate ( 234) may be flowed into the lower body air injection hole 234-8 formed in the spray.

On the outer surface of the inner air guide plate 234, inner air guide grooves 234-6 may be formed at regular intervals, and as the cover air guide plate 236 is coupled to the inner air guide plate 234, These inner air guide grooves 234-6 may be formed in a hole shape.

As the intermediate air guide plate 235 is coupled to the inner air guide plate 234 and the cover air guide plate 236, the upper body air injection hole 235-8 formed in the intermediate air guide plate 235 and this inner The air guide groove 234-6 communicates, and eventually the air flowing into the upper peripheral air guide groove 232-4 flows into the inner air guide groove 234-6, and the upper body air injection hole ( 235-8) and can be sprayed.

Air flowing into the lower circumferential air guide groove 233-4 may be directly flowed into the lower body air injection hole 234-8 formed in the inner air guide plate 234 and injected.

As a result, air flows into the upper body air injection hole 235-8 connected to the upper body air passage 232-2, and the lower body air injection hole 234- communicates with the lower body air passage 233-2. 8), the air flows. That is, in a state in which the upper body air passage 232-2 and the lower body air passage 233-2 are separated, the upper body air injection hole 235-8 and the lower body air injection hole 234-8 are also separated. In each state, air may be sprayed.

As described above, the upper body air injection hole 235-8 and the lower body air injection hole 234-8 are not located on the same horizontal line, and at the same time, the upper body air injection hole 235-8 is located on the lower body. Since the air is injected in a more advanced state than the air injection hole 234-8, the flow rate of the injected air is different, so that the flow rate of the exhaust gas is increased as it merges with the exhaust gas and the strength of the vortex of the exhaust gas is increased. can increase It goes without saying that the positions of the upper body air injection hole 235-8 and the lower body air injection hole 234-8 may be changed in order to increase the flow velocity of the injected air and the strength of the vortex.

As described above, the ring body 230 of the first space ring 200 has an upper body air passage 232-2, an upper peripheral air guide groove 232-4, and an upper body air injection hole 235-8. In addition, a lower body air passage 233-2, a lower circumferential air guide groove 233-4, and a lower body air injection hole 231-8 may be formed. The second spacer 200 ′ may be the same as that of the first spacer 200 .

Alternatively, in the ring body 230 of the second space ring 200', an upper body air flow path 232-2, an upper peripheral air guide groove 232-4, and an upper body air injection hole 235-8 are provided. In the non-formed state, only the lower body air passage 233-2, the lower circumferential air guide groove 233-4 and the lower body air injection hole 234-8 may be formed.

Alternatively, in the ring body 230 of the second space ring 200', a lower body air flow path 233-2, a lower circumferential air guide groove 233-4 and a lower body air injection hole 231-8 are provided. In the not formed state, only the upper body air flow path (not shown), the upper peripheral air guide groove (not shown) and the upper body air injection hole (not shown) may be formed.

The inner air passage forming plate 233 is extended in a more advanced state than the intermediate air passage forming plate 232 and the cover air passage forming plate 231 , and inside the hollow of the inner air passage forming plate 233 . The exhaust gas may flow.

In a state in which the inner air guide plate 234 and the intermediate air guide plate 235 are mounted on the outer surface of the inner air passage forming plate 233, the end of the inner air passage forming plate 233 is further advanced and extended. can be

Accordingly, the lower body air injection hole 234-8 formed in the inner air guide plate 234 and the upper body air injection hole 235-8 formed in the intermediate air guide plate 235 are located on the inner side of the air passage forming plate ( 233) may be positioned to extend in a more advanced state.

When air is injected from the lower body air injection hole 234-8 and the upper body air injection hole 235-8 separated from each other and located at different positions, the injected air is the distal end of the inner air passage forming plate 233. The phosphorus may flow along the inner air guide surface 233 - 6 .

The air flowing along the inner air guide surface 233-6 is merged with the exhaust gas flowing while leaving the inner air guide surface 233-6 and flowing inward of the body guide communication pipe 300 . That is, the air flows into the gap between the inner air guide surface 233 - 6 and the body guide communication pipe 300 , and flows inside the body guide communication pipe 300 .

A plurality of inner air guide grooves 233-8 may be formed at regular intervals on the inner air guide surface 233-6. The inner air guide groove 233-8 may have any shape as long as it can increase the air flow velocity and the strength of the vortex, but may preferably be a V-shaped groove.

The air injected from the lower body air injection hole 234-8 and the upper body air injection hole 235-8 flows while being guided to the inner air guide surface 233-6, but the injected air is flat on the inner air guide surface. The flow rate when flowing to (233-6) and the flow rate when flowing to the inner air guide groove (233-8) may be different. The flow rate in the flow to the inner air guide groove (233-8) is flowed in an increased state.

Therefore, the flow velocity of the air flowing into the inner air guide surface 233-6 and the inner air guide groove 233-8 is different, from the inner air guide surface 233-6 to the inside of the body guide communication pipe 300. The flow velocity of the air varies according to the inflow portion, and thus the strength of the vortex of the exhaust gas may be increased due to the merging with the exhaust gas.

In the above, the present specification has been described with reference to the embodiments shown in the drawings so that those skilled in the art can easily understand and reproduce the present invention, but these are merely exemplary, and those skilled in the art can make various modifications and equivalents from the embodiments of the present invention. It will be appreciated that embodiments are possible. Therefore, the protection scope of the present invention should be defined by the claims.

10: exhaust gas flow pipe
110: air supply hole 120: primary air heating unit 130: purge control unit
140: manifold 150: secondary air heating unit 160: air distribution pipe
170: air flow pipe 175: linear guide
180: control unit 190: motor unit 195: power transmission plate
200: first spacer 200': second spacer
210: air ejector
212: ejector air inlet 214: ejector air room 216: ejector air flow path
218: ejector air outlet hole
230:
231: cover air flow path forming plate 232: intermediate air flow path forming plate
33: inner air passage forming plate 234: inner air guide plate
235: middle air guide plate 236: cover air guide plate
238: body support
300: body guide communication part
400: space ring coupling part 450: space ring connection part 500: pipe fixing part
1000: air blower unit

Claims (5)

It is located between the exhaust gas flow pipe 10 through which the exhaust gas flows, and in a state in communication with the exhaust gas flow pipe 10, the hollow space ring 200, 200 ' through which the exhaust gas flows into the hollow. In the air blower unit,
The space ring (200, 200') is,
a ring body 230 in which body air passages 232-2 and 233-2 are formed so that air flows inside the body; and
It is mounted on one side of the ring body 230 and includes an air ejector 210 for supplying air to the body air flow path (232-2, 233-2) to flow air,
The ring body 230,
a body support 238 on which the air ejector 210 is mounted on one side; and
An air blower unit for exhaust gas including an air passage forming plate (231,232,233) mounted on the other side of the body supporter (238).
The method of claim 1,
The body air passages 232-2 and 233-2 are formed between the plurality of air passage forming plates 231,232,233,
While the air ejector 210 is mounted on the body support 238 and in close contact with the plurality of air passage forming plates 231,232,233, the air supplied from the air ejector 210 is supplied to the body air passage 232- 2,233-2), an air blower unit for exhaust gas.
3. The method of claim 2,
The ring body 230,
an air guide plate (234, 235, 236) which is in close contact with the other side of the air passage forming plate (231,232, 233) in a state in which one side of the air passage forming plate (231,232, 233) is mounted on the body supporter (238); and
A peripheral air guide groove (232-4, 233-4) formed along the periphery of the outer surface of the air flow path forming plate (231,232, 233) in the portion where the air guide plate (234, 235, 236) is in close contact with the other side of the air passage forming plate (231,232, 233) including more,
Air blower unit for exhaust gas in which the air flowing into the body air passage (232-2, 233-2) flows along the peripheral air guide groove (232-4, 233-4).
4. The method of claim 3,
Body air injection holes (234-8, 235-8) are formed at regular intervals in the air guide plates (234, 235, 236),
An air blower unit for exhaust gas in which the air flowing into the body air passage (232-2, 233-2) flows into the body air injection hole (234-8, 235-8) and is sprayed.
5. The method of claim 4,
The plurality of air passage forming plates (231,232, 233) includes an inner air passage forming plate (233) constituting the inner surface of the space ring (200, 200'); an intermediate air passage forming plate 232 positioned in close contact with the inner air passage forming plate 233; and a cover air passage forming plate 231 positioned in close contact with the intermediate air passage forming plate 232,
The body air passages 232-2 and 233-2 include a lower body air passage 233-2 formed between the inner air passage forming plate 233 and the intermediate air passage forming plate 232; and an upper body air passage 232-2 formed between the intermediate air passage forming plate 232 and the cover air passage forming plate 231,
The plurality of air guide plates (234, 235, 236) is an inner air guide plate (234) in close contact with the inner air passage forming plate (233); a cover air guide plate 236 in close contact with the intermediate air passage forming plate 232 and the cover air passage forming plate 231; and an intermediate air guide plate 235 in close contact with the inner air guide plate 234 and the cover air guide plate 236,
The body air injection hole (234-8, 235-8) is a lower body air injection hole (234-8) formed in the inner air guide plate (234); and an upper body air injection hole (235-8) formed in the intermediate air guide plate (235),
The circumferential air guide groove (232-4, 233-4) is a lower circumferential air guide groove (233-4) formed along the outer periphery of the inner air passage forming plate (233); and an upper peripheral air guide groove (232-4) formed along the periphery of the outer surface of the intermediate air passage forming plate (232),
As the air flowing into the upper body air passage 232-2 flows along the upper peripheral air guide groove 232-4, it flows into the upper body air injection hole 235-8 and is sprayed, and the lower body The air flowing into the air passage (233-2) flows along the lower circumferential air guide groove (233-4) and flows into the lower body air injection hole (234-8) and is sprayed,
The inner air guide surface 233 which is the outer surface of the distal end of the inner air passage forming plate 233 through which the air injected from the upper body air injection hole 235-8 and the lower body air injection hole 234-8 is Air blower unit for exhaust gas flowing along -6).

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