KR200493770Y1 - Collector for combination type dust - Google Patents

Abstract

The integrated dust collector according to the present invention can discharge the moisture after the reaction to the water tank through the discharge pipe at the bottom, and the gas-liquid separator is formed in the upper part to separate the fine liquid substances contained in the exhaust gas and release it to the atmosphere , is installed inside the outer cylinder and primarily collects pollutants in the exhaust gas flowing in through the inlet duct by centrifugal force due to its rotation, and the exhaust gas is applied to the spray pipe in the form of a grid mesh inside 2 A cyclone equipped with a distributor of a form in which a plurality of nozzles are installed for spraying a chemical for secondary dust collection is disposed under the cyclone of the outer cylinder, and the exhaust gas after reaction in the cyclone rises to the gas-liquid separator Surface collision plate for, disposed between the inner wall of the outer cylinder and the outer wall of the cyclone, and includes an electric dust collector for collecting particulate matter contained in the exhaust gas rises after contact with the water surface collision plate.

Description

Integrated dust collector {COLLECTOR FOR COMBINATION TYPE DUST}

The present invention relates to an integrated dust collector, and more particularly, to an integrated dust collector that simultaneously controls particulate and gaseous pollutants by differentiating centrifugal force, the principle of flushing dust, and the spray nozzle of the flush dust collector.

In general, in the case of a cyclone-type dust collector, the treatment of particles over 5㎛ is excellent, but it is not suitable for the treatment of particles of 5㎛ or less. In fact, in the case of flush-type dust collectors, various methods (eg JET-SCRUBBER, VENTURY-SCRUBBER, PACKED-TOWER) are the most widely used for dust collection of acid-alkaline gaseous substances and high-temperature gaseous substances.

In particular, in the case of the most commonly used PACKED TOWER, pollutants that generate high concentrations of particulate matter can be collected for a long period of time, but depending on the characteristics of each dust collector, excessive pressure loss (100 ~ 600mmAq) and the use of spray liquid Accordingly, there are problems such as an increase in running cost.

Due to the increase in processing efficiency and pressure loss due to the closing phenomenon of the filling layer, which is the biggest problem, even though it exhibits excellent performance in collecting fine particles of 0.1㎛ or less, a pretreatment facility is installed at the front end, regular replacement and cleaning of the filling layer, There is a trouble of liquid exchange, etc., and in severe cases, there is a problem that may cause malfunction of various mechanical devices.

In other words, when a complex flue gas containing other pollutants (high-temperature gas components such as acids and alkalis) is generated in the flue gas with a high concentration of fine particles and a relatively small particle size (less than 5㎛), cyclone and Pre-treatment equipment such as multi-cyclone and double and triple dust collection methods such as water washing and filtration are selected for dust collection. The reality is that there are many difficulties in actively applying it in each field.

In recent years, an event of directly discharging an exhaust gas that has not been treated with pollutants occurs frequently, and thus, much attention has been paid to an apparatus and method for treating pollutants contained in the exhaust gas.

In order to treat the contaminants contained in the exhaust gas, a centrifugal force dust collection method and a wet scrubber method are usually used, and a mixed method thereof is used.

The general centrifugal force dust collection method is a type in which heavy particles collide with the wall of the dust collector by inertial force at a high moving speed of the dust-containing gas to separate gas and dust, and are collected in the hopper of the dust collector. The high pressure loss and the size of the collected particles are limited. to be. In particular, in the case of small particles, they can move in a spiral downward direction according to the flow rate of the gas.

In the wet scrubber collection method, dust particles suspended in the air come into contact with droplets, liquid films, and bubbles generated by spraying water into the polluted air, resulting in inertial collision, direct absorption, and diffusion to remove dust particles. This method has the advantages of not only having a simple structure and replacing only the used cleaning water without the need to clean and replace the filter, but also reduce the user cost, as well as absorb gas and collect dust at the same time in a single device. However, there is a disadvantage that only relatively large particles can be treated and the dust collection efficiency is low.

Therefore, in the case of installing two dust collectors to replace the two collection methods, there are disadvantages in that a large amount of space is required, high cost, and difficult complexity and accessibility of dust collector management.

Republic of Korea Registered Utility Model No. 20-0349234

The present invention was created to improve the problems of the prior art as described above, and in the case of a dustproof facility where multiple pollutants occur simultaneously, it is possible to effectively control and collect acid and alkaline gaseous substances as well as effective collection of fine particles at the same time. Also, in order to fundamentally solve the problems of the existing dust collection method, the closure by the filling layer and the cause of excessive pressure loss, simultaneous dust collection through the centrifugal force of the centrifugal force dust collector and the fine and powerful washing of the flush-type dust collector is carried out in one structure. An object of the present invention is to provide an integrated dust collector that can achieve a complex effect with a machine.

And, by making the dust collector easier to manage, the dust collector can be repaired and replaced with consumables at all times, even during factory operation, and the integrated dust collector can improve the collection effect of controlling both particulate and gaseous substances at the same time. It also aims to provide a device.

The integrated dust collector according to the present invention for achieving the above object may discharge moisture after the reaction to the water tank through a discharge pipe at the lower part, and separate fine liquid substances contained in the exhaust gas at the upper part and discharge it to the atmosphere An outer cylinder having a gas-liquid separator formed therein, a cyclone that is installed inside the outer cylinder and primarily collects pollutants in the exhaust gas flowing in through the inlet duct by centrifugal force due to its rotation, the inside of the inlet duct and the inside of the cyclone A large-diameter spray pipe that is installed in each, and sprays a chemical for secondary dust collection of the exhaust gas, is disposed under the cyclone of the outer cylinder, and the exhaust gas after reaction in the cyclone can rise to the gas-liquid separator It includes a water surface collision plate to ensure that, and the spray pipe inside the inlet duct and the inside of the cyclone are each applied in at least two or more, and by spraying the chemicals based on the same center, the sprayed chemicals collide with each other. do.

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In addition, a pair of blocking portions for opening or closing the space between the outer cylinder and the cyclone is further included, and the blocking portion surrounds a certain area of the outer surface of the cyclone to form a closed area in the space between the outer cylinder and the cyclone. It includes a packing unit and a cylinder for drawing in or withdrawing the packing unit into or out of the outer cylinder at preset time intervals.

And, a body portion having an opening through which the exhaust gas raised by the surface collision plate passes, and a wrapper formed integrally with the body portion and having a wrapping hole surrounding the cyclone,

The opening is opened or closed by a cover coupled to or separated from the bottom surface of the body portion,

A plurality of path increasing parts which are coupled to one side and the other side of the body to be inclined upward, respectively, are opposed to each other in the up and down directions to stop the flow of exhaust gas, are disposed in the opening.

According to the integrated dust collector according to the present invention, it collects and transports pollutants that generate simple exhaust gases (DUST, water-soluble substances) as well as facilities that generate complex substances (high temperature, acid/alkaline substances, high-concentration dust containing dust). Thus, it is possible to obtain a treatment effect that can simultaneously collect complex materials with a single facility without using complex treatment facilities, and the disadvantages of the existing centrifugal force dust collection method (difficulty in collecting fine particles) and the flush-type dust collection method (high power cost and It is possible to improve the maximum dust collection efficiency with a small space, low installation cost, and power cost by taking advantage of the advantages of using the two principles at the same time as well as supplementing the disadvantages of (closing phenomenon of the filling layer). In particular, the pressure loss is minimized by design excluding the filling layer, and the cause of nozzle clogging is also solved when the spray pipe is arranged with a large diameter and contains particulate matter in the absorbent and reused, making practical management easier. The micro-absorbent liquid formed by the colliding of the shot stream can further increase the removal efficiency.

Effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a front view showing an integrated dust collector according to an embodiment of the present invention.
Figure 2 is a right side view showing an integrated dust collector according to an embodiment of the present invention.
3 is a view showing a blocking unit applied to the integrated dust collector according to an embodiment of the present invention.
4 is a cross-sectional view taken along line AA' of FIG.
5 is an exploded perspective view illustrating a receiving unit applied to an integrated dust collector according to an embodiment of the present invention;
6 is a cross-sectional view showing the operation of the housing applied to the integrated dust collector according to an embodiment of the present invention.
7 is a perspective view showing the operation of the housing applied to the integrated dust collector according to an embodiment of the present invention.

Advantages and features of the present invention, and a method of achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings.

However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only the present embodiments allow the disclosure of the present invention to be complete, and common knowledge in the technical field to which the present invention belongs It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

Hereinafter, the present invention will be described with reference to the drawings for explaining the integrated dust collector according to embodiments of the present invention.

1 is a front view showing an integrated dust collector according to an embodiment of the present invention, and FIG. 2 is a right side view showing the integrated dust collector according to an embodiment of the present invention.

The integrated dust collector according to an embodiment of the present invention may include at least any one or more of an outer cylinder body (2), a cyclone (4), a spray pipe (5), and a surface collision plate (12).

The outer cylinder can discharge moisture after the reaction to the water tank through a discharge pipe at the lower part, and a gas-liquid separator is formed in the upper part to separate the fine liquid substances contained in the exhaust gas and discharge it to the atmosphere.

The cyclone 4 is installed inside the outer cylinder and primarily collects pollutants in the exhaust gas flowing in through the inlet duct by centrifugal force due to its rotation.

The cyclone (4) is installed at the center of the upper end of the outer cylinder (2) by the internal support of the exhaust gas directly flowing into the cyclone (4) from the inlet duct (1) with a tangential inflow type in-pipe flow velocity of 10 - 20M/SEC When rotating by strong centrifugal force inside the fixed cyclone (4), a chemical for collecting exhaust gas is sprayed by the spray pipe (5) installed inside the cyclone (4).

At this time, the spray pipe 5 may be installed on the inner ceiling surface of the cyclone and the introduction section in which the exhaust gas is introduced into the cyclone, that is, the inner ceiling surface of the inlet duct.

Furthermore, the spray pipe 5 of the cyclone and the spray pipe 5 of the inlet duct may be applied in at least two or more, respectively, and FIG. 1 shows an example in which three are applied.

In particular, the spray pipe 5 sprays the chemical based on one center P that is the same as each other. Therefore, the chemicals sprayed from each spray pipe (5) are sprayed in the form of fine particles while colliding with each other, contact the water surface impact plate (12) at the bottom, and then transfer in an up-flow manner (internal flow rate of 1-2M/SEC). , has a structure in which the fine liquid substances contained in the exhaust gas are separated by the gas-liquid separator 3 and then discharged to the atmosphere.

And, when the spray pipe 5 sprays a chemical to one center (P), it is possible to enable spraying of the chemical without a quadrilateral from the micro-injection phenomenon of the chemical colliding with each other.

In the spray pipe (5), a plurality of nozzles for spraying a chemical for dust collection of the exhaust gas supplied through the particulate liquid formed by colliding with each other are installed. there will be

That is, when installing with the existing branch pipe type or grid mesh spray pipe (5), the water pressure delivered to the front end and the end of the pipe is different, so the dust collection efficiency is different depending on the specific part according to the difference in the amount of spray discharged, and the blind spot is partially Due to the particulate matter that is generated and then concentrated and deposited at the end of the pipe, clogging of the pipe occurs when used for a long time, which adversely affects proper re-vibration, but the integrated dust collector according to the temporary embodiment of the present invention uses the spray pipe (5) By applying a large diameter, the particles generated due to the collision of the chemicals are evenly delivered, so that the same pressure and spray volume are realized in all nozzles when the chemicals for collecting the exhaust gas are sprayed from the nozzles of the spray pipes, factors such as nozzle clogging and changes in dust collection efficiency can be minimized.

In addition, as described above, it is possible to absorb and remove pollutants contained in the exhaust gas through the chemical sprayed in the form of particles by colliding with each other.

At this time, an empty space (S) for maintenance or management may be formed inside the outer cylinder (2).

The space S may be located above the induct 1 and the cyclone 4 .

The cyclone 4 may have an outer shape of a square cross-sectional shape, and an internal exhaust gas flow passage may be formed in a circular shape.

And, the inspection window (SIGHT GLASS) (not shown), which can check the operation state of the integrated dust collector according to the present invention from time to time, is arranged in the horizontal direction in both directions, and it is connected to the outside of the outer cylinder (2) so that the inside In addition to being able to check the dust collection status and spray status of the exhaust gas, the pipe and inspection window are connected in the same way as a flange to separate and disassemble the inner and outer cylinders that form a cyclone in an emergency, so preventive maintenance is easy. to have

Looking at the present invention in more detail, when the exhaust gas flows into the cyclone 4 through the inlet duct 1, the relatively large pollutant particles are primarily generated by the strong centrifugal force inside the cyclone 4 ), that is, the dust is collected on the surface collision plate 12, and the dust collection of smaller particles is made secondary by the chemical sprayed by the large-diameter spray pipe 5 inside the cyclone (4).

And the remaining exhaust gas that is not collected even by the centrifugal force caused by the rotation of the cyclone (4) and the spray of the chemical by the spray pipe (5) is transported in an upflow manner after contacting the water surface collision plate (12) at the lower part, After the fine liquid substances contained in the exhaust gas are separated by (3), they are discharged into the atmosphere.

Here, the chemical sprayed through the spray pipe 5 is different depending on the type of exhaust gas, such as by adding water-soluble slaked lime when the exhaust gas is acidic, so that the pollutants in the exhaust gas can be collected.

Next, the blocking unit 30 applied to the integrated dust collector according to an embodiment of the present invention will be described with reference to FIGS. 3 and 4 .

3 is a diagram illustrating a blocking unit applied to an integrated dust collector according to an embodiment of the present invention, and FIG. 4 is a cross-sectional view taken along line A-A' of FIG. 3 .

The blocking part 30 is configured to selectively open or close the space between the outer cylinder 2 and the cyclone 4 .

That is, the blocking unit 30 selectively stops the flow of exhaust gas raised by the water surface collision plate 12 to prevent an excessive amount of exhaust gas from being delivered to the gas-liquid separator 3 at once.

To this end, the blocking part 30 wraps around a certain area of the outer surface of the cyclone to form a closed area in the space between the outer cylinder 2 and the cyclone (4). It may include a cylinder 33 for drawing in or withdrawing from the inside or outside of the outer cylinder.

The packing part 31 is composed of two pairs.

The packing part 31 may be moved to the inside or outside of the outer cylinder 2 through an entrance hole (not shown) formed in a horizontal direction on both sides of the outer cylinder 2 .

The packing part 31 is opposed to each other with the outer cylinder 2 interposed therebetween from the outside of the outer cylinder 2 , and the inner cylinder 2 is opposed to each other with the cyclone 4 interposed therebetween.

This packing part 31 is formed integrally with the body part 311, the body part 311 having an opening through which the exhaust gas raised by the water surface collision plate 12 passes, and the feeling surrounding the outer surface of the cyclone (4). It may include a wrapper 312 having a wrapper hole (312a).

Accordingly, a pair of packing parts 31 surrounds a predetermined area of the outer surface of the cyclone (4).

That is, one packing part 31 surrounds half of the cyclone 4 , and the other packing part 31 surrounds the other half.

The opening 311a has a plurality of path increasing parts 313 that are respectively inclined upwardly coupled to one inner wall surface and the other inner wall surface of the body 311 and are opposed to each other in the up and down directions to increase the flow path of the exhaust gas. are placed

The lower side of the opening 311a of the body 311 may be opened or closed by the cover 32 , respectively.

A protrusion (not shown) may be formed on one of the bottom surface of the cover 32 and the upper surface of the body portion 311 , and a fixing groove (not shown) into which the protrusion is inserted and fixed may be formed in the other.

Accordingly, the cover 32 can be easily coupled or separated from the body portion 311 .

The packing part 31 and the cover 32 may be formed of a material having excellent packing force, such as rubber or silicone.

The cylinder 33 is composed of two pairs, and the piston 431 is coupled to the packing part 31 , respectively.

The cylinder 33 may be formed as a hydraulic cylinder, and in a state disposed on the outside of the outer cylinder 2 , the packing part 31 is drawn in or out of the outer cylinder 2 .

Next, the operation of the packing unit 31 described above will be described.

First, the packing part 31 is drawn into the inside of the outer cylinder body 2 through the cylinder 33 .

At this time, in a state in which the cover 32 is coupled to the bottom surface of the body 311 , a closed area is formed inside the outer cylinder 2 , so that the exhaust gas does not rise toward the gas-liquid separator 3 .

Accordingly, when the packing part 31 is drawn in or out of the outer cylinder 2 at preset time intervals through the cylinder 33 , the exhaust gas can be dispersed and moved in the gas-liquid separator 3 .

For example, if the cylinder draws in or draws the packing part 31 into or out of the outer cylinder 2 at intervals of 5 to 10 seconds, exhaust for 5 to 10 seconds in the state in which the packing part 31 is drawn out. It is possible to prevent the gas from moving to the gas-liquid separator 3 and from moving the exhaust gas to the gas-liquid separator 3 for 5 to 10 seconds in a state in which the packing part 31 is drawn in.

And, it is possible to move the exhaust gas to the gas-liquid separator 3 by a predetermined amount by the action of the cylinder and the packing part 31 .

Therefore, it is possible to prevent a large amount of exhaust gas from moving to the gas-liquid separator 3 at one time, thereby preventing the gas-liquid separator 3 from being overloaded.

Furthermore, when it is desired to suppress the flow of exhaust gas without repeatedly controlling the operation of the cylinder, the packing part 31 may be introduced into the outer cylinder body 2 with the cover 32 removed.

In this case, the exhaust gas passes through the opening 311a and moves to the electric dust collecting unit 20, and in the process of passing through the opening 311a, the body 311 is driven by the path increasing unit 313 with reference to FIG. 4 . ) moves to the inner left end of the body portion 311 , then moves to the inner right end of the body portion 311 , and then is discharged to the outside to move to the gas-liquid separator 3 .

That is, it is possible to prevent a large amount of exhaust gas from moving to the gas-liquid separator 3 at once even through the path increasing unit 313 .

And, as the path increasing unit 313 is added, the detour path of the exhaust gas may be increased.

Next, the receiving unit 40 applied to the integrated dust collector according to an embodiment of the present invention will be described with reference to FIGS. 5 to 7 .

Figure 5 is an exploded perspective view showing the receiving unit applied to the integrated dust collector according to an embodiment of the present invention, Figure 6 is a cross-sectional view showing the operation of the receiving unit applied to the integrated dust collector according to an embodiment of the present invention, 7 is a perspective view showing the operation of the housing applied to the integrated dust collector according to an embodiment of the present invention.

On the other hand, the housing unit 40 repairs or manages various components such as the outer cylinder body 2, the cyclone 4, the surface collision plate 12, and the electric dust collector 20 of the integrated dust collector on the outer cylinder body 2 Various tools, such as welding tools, drivers, drills, bolts, nuts, etc., necessary for welding, parts or belongings of workers (hereinafter referred to as 'storage items'), etc. can be accommodated, and the housing 41, the storage box ( 42 ), a lift driving part 43 , a support part 44 , and a weight part 45 .

The housing 41 may be formed in a rectangular box shape with an open upper surface and an empty space therein.

The housing 41 may include a flange (P) bolted to the front or rear surface of the outer cylinder.

In addition, the upper surface of the housing 41 may be opened and closed by the cover 411 .

The storage box 42 provides a place to accommodate the actual storage, and the bottom plate 421 seated on the bottom surface of the housing 41, and a thick plate formed at a predetermined height on the rear edge of the bottom plate 421 . 422, a pair of side plates 423 formed at both edges of the bottom plate 421 at a predetermined height, the lower side is hinged to the upper surface of the bottom plate 421 to open and close the opening between the side plates 423. A plate 424 may be included.

Accordingly, the storage box 42 is formed in the shape of a square box with an open upper surface.

At this time, although not shown in the drawings, the bottom surface of the opening and closing plate 424 in contact with the upper surface of the bottom plate 421 may be rounded to form a curved shape so as to be rotated smoothly in both directions.

A rotation shaft 424a is formed in the lower portion of both sides of the opening/closing plate 424 , and an insertion groove 423a into which the rotation shaft 424a is inserted is formed in the lower side of the side plate 423 .

Accordingly, the opening/closing plate 424 opens and closes the space between the side plates 423 while rotating based on the rotation shaft 424a.

The lifting driving unit 43 elevates the storage box 42 accommodated in the housing 41 , and is configured as a pair and is installed on both inner side walls of the housing 41 .

The lifting driving unit 43 may be formed as a rodless cylinder having a piston 431 coupled to the bottom plate 421 .

Although not shown in the drawings, an up button (not shown) and a lowering button (not shown) for raising or lowering the piston 431 of the lift driving unit 43 may be provided on the outer surface of the outer cylinder body 2 , respectively.

Accordingly, when the piston 431 is raised by pressing the lifting button in the housing 41, the housing 42 is raised and protruded to the upper side of the housing 41, and when the elevator body is lowered by pressing the lowering button, the housing 42 is descended. and is introduced into the inner space of the housing 41 .

For this reason, when you want to take out the contents accommodated in the storage box (42), you can pull out the storage box (42) to the upper side of the housing (41) by pressing the lifting button.

When the storage box 42 is raised, the opening/closing plate 424 leaning on the inner wall surface of the housing 41 is rotated downward and is conducted. At this time, the opening/closing plate 424 is a part of the housing 41 . The space between the side plates 423 is opened by being seated on the upper surface and maintaining a horizontal state.

At this time, as shown in FIG. 7 , when the holder 42 is raised after removing the cover 411 , the upper surface and the front of the storage box 42 are opened, so that the operator can see the contents stored in the storage box 42 at a glance. can make it visible.

Therefore, it is possible for the operator to quickly and easily find the desired storage item.

And, the storage box 42 is lifted to a certain height by the lifting driving unit 43 and withdrawn, when the storage unit is installed in the outer cylinder body 2 so that the space between the side plates 423 corresponds to the eye level of the operator, the operator You can make it easy to take out things without bending your back or head, or lifting your heels.

In addition, since the opening and closing plate 424 opens between the side plates 423 even if the housing 42 is raised without removing the cover 411, the operator is stored in the front of the housing 42 in a comfortable standing state. You can get the water out.

The support part 44 is fixed to both sides of the bottom plate 421 to support the lower surface of the opening and closing plate 424, the surface in contact with the opening and closing plate 424 is formed to be inclined, and the receiving box 42 is the housing 41. In the state accommodated in the opening and closing plate 424 to be supported on the inner wall surface of the housing 41 in an inclined state.

The weight portion 45 is formed of a metal material having a certain weight, and is coupled to the upper outer surface of the opening and closing plate 424 , that is, the surface facing the inner wall surface of the housing 41 , so that the receiving box 42 is the housing 41 . When withdrawing from, the downward rotation of the opening and closing plate 424 is promoted.

Those of ordinary skill in the art to which the present invention pertains will understand that the present invention may be implemented in other specific forms without changing the technical spirit or essential features thereof. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. The scope of the present invention is indicated by the claims described below rather than the above detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts are included in the scope of the present invention. should be interpreted

1: inlet duct 2: outer cylinder
3: gas-liquid separator 4: cyclone
5: spray pipe 6: water tank
12: surface collision plate 13: exhaust pipe
30: blocking part 31: packing part
311a: opening 311: body portion
312: wrapping part 312a: wrapping hole
313: path increase part 32,411: cover
41: housing 42: storage box
421: bottom plate 422: thick plate
423: side plate 423a: insertion groove
424: opening and closing plate 424a: rotation shaft
43: lift drive 431: piston
44: support 45: weight part

Claims (4)

The outer cylinder is formed with a gas-liquid separator that separates the fine liquid substances contained in the exhaust gas and discharges them into the atmosphere at the upper part, the water after the reaction can be discharged to the water tank through the discharge pipe at the lower part;
A cyclone that is installed inside the outer cylinder and primarily collects pollutants in the exhaust gas flowing in through the inlet duct by centrifugal force due to its rotation;
A large-diameter spray pipe that is installed inside the inlet duct and inside the cyclone, and sprays a chemical for secondary dust collection of the exhaust gas,
It is disposed under the cyclone of the outer cylinder and includes a surface collision plate for allowing the exhaust gas after reaction in the cyclone to rise to the gas-liquid separator,
The spray pipe inside the inlet duct and the inside of the cyclone are applied in at least two or more, respectively, and by spraying the chemicals based on the same center, the sprayed chemicals collide with each other.
delete According to claim 1,
Further comprising a blocking part for opening or closing the space between the outer cylinder and the cyclone,
The blocking unit,
A pair of packing parts surrounding a certain area of the outer surface of the cyclone to form a closed area in the space between the outer cylinder and the cyclone,
An integrated dust collector including a cylinder for drawing in or withdrawing the packing part into or out of the outer cylinder at preset time intervals.
4. The method of claim 3,
The packing part,
A body portion having an opening through which the exhaust gas raised by the surface collision plate passes
It is integrally formed with the body and includes a wrapper having a wrapper hole surrounding the cyclone,
The opening is opened or closed by a cover coupled to or separated from the bottom surface of the body portion,
An integrated dust collector having a plurality of path increasing units coupled to one side and the other side of the body to be inclined upward, respectively, and opposed to each other in up and down directions to stop the flow of exhaust gas in the opening.

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