JP5804358B2 - Smoke removal equipment - Google Patents

Description

  The present invention relates to a flue gas treatment apparatus, and more particularly to a flue gas treatment apparatus that has a high removal efficiency of a highly viscous substance and can be operated continuously for a long time.

  Smoke emitted from various factories such as foundries and chemical factories, incineration facilities, various reactors, etc. contains organic substances and requires appropriate treatment. In many cases, such flue gas containing organic substances is mainly composed of tar-like substances, and also contains viscous substances such as fumes (fine particles) and oil (liquid components) dispersed in a mist form. .

  Therefore, various methods for removing tar-like substances and other substances in flue gas have been studied. And conventional smoke exhaustion treatment is mainly a method using centrifugal separation utilizing the difference in specific gravity, a method using a filter such as a bag filter, a method using an electric suction force, a water washing method such as a water shower, mist, etc. One of a method of releasing and adsorbing, a method of foaming a solvent and allowing the solvent to pass through, a method of adsorption using activated carbon, and a method of decomposition using a catalyst were used.

  For example, Patent Document 1 discloses a mist removing device in which an outer cylinder, an inner cylinder disposed concentrically on the inner cylinder, and a conical drum provided with guide vanes are disposed above the inner cylinder. Yes. As the conical drum rotates, the flue gas flowing in from the upper part of the outer cylinder (described in Patent Document 1 as “exhaust gas”) spirals in the space between the outer cylinder and the inner cylinder. Move and receive centrifugal force. As a result, mist having a large specific gravity is collected on the inner wall of the outer cylinder, and the exhaust gas can be washed by separating the mist from the exhaust gas. In addition, a slit is provided in the inner peripheral wall of the outer cylinder, and the fine particles can be discharged out of the outer cylinder.

In Patent Document 2, smoke is introduced from below the cylinder, the smoke moves along the axial direction of the cylinder, and is exhausted by a rotary filter disposed substantially perpendicular to the axial direction. Techniques for capturing liquid and dust in smoke are disclosed.
With this configuration, the liquid and dust captured by the rotary filter are blown to the inner peripheral surface of the cylindrical body by centrifugal force obtained by the rotation of the rotary filter, and flow down downward by its own weight.

  Further, Patent Document 3 discloses a dust collecting device including a collecting unit having a cylindrical rotary filter and a blower. And this dust collector can collect dust by attracting | sucking the air containing a fume and dust and filtering with the rotary filter provided with many air passage holes.

Japanese Patent No. 2595193 Japanese Patent No. 3803402 JP 2009-6221 A

  In general, it is considered that flue gas is in a state in which fine particles generated by a thermal decomposition reaction are mixed in air flowing into the furnace and a mixed gas generated by a combustion reaction. Therefore, when the particulates in the flue gas are contained in a very large amount, or when the sticky substance having a high viscosity is contained in the flue gas, applying the configuration of the mist removing device disclosed in Patent Document 1, There is a problem that the slit provided on the inner peripheral wall of the outer cylinder is closed in a very short time.

  Patent Document 2 discloses a configuration in which liquid and dust captured by the rotary filter are swept away by vibrating the rotary filter in the axial direction (vertical direction), but the rotary filter is moved up and down. There is a problem that it is difficult to wipe off a very viscous liquid such as tar.

  The dust collector disclosed in Patent Document 3 includes an air blow nozzle, so that pressure air can always be blown to the outer peripheral surface of the rotary filter. Therefore, even when the dust collector is in operation (dust concentration), the rotary filter can be washed and the rotary filter can always be kept in a good state.

  However, even if the configuration of the dust collecting device of Patent Document 3 is applied to a flue gas treatment device, the flue gas contains substances with extremely high viscosity such as tar, so that a sufficient removal effect can be obtained. difficult. That is, when a highly viscous substance adheres to the rotary filter, there is a problem that a sufficient removal effect cannot be obtained even if pressure air is blown from the air blow nozzle. Moreover, it is necessary to provide a configuration in which the pressure air is always blown by the air blow nozzle in the flue gas treatment apparatus, and there is a disadvantage that the apparatus configuration becomes complicated.

  In general, a highly viscous liquid such as tar has a high adhesive force and is easily solidified, and therefore needs to be removed immediately after adhering. However, when processing flue gas containing a highly viscous adhesive substance, the viscous substance cannot be removed efficiently even if the techniques disclosed in Patent Documents 1 to 3 above are used, and the The continuous operation cannot be performed stably. Therefore, there has been a demand for a technique capable of efficiently removing a highly viscous substance such as tar in a flue gas treatment apparatus.

  An object of the present invention is to treat a flue gas containing a large amount of a highly viscous substance such as tar, and to maintain a high removal efficiency of the highly viscous substance and to enable a long-time continuous operation. Is to provide. Another object of the present invention is to provide a flue gas treatment device that can always collect combustible components present in the flue gas and can operate continuously for a long time.

  According to the first aspect of the present invention, there is provided a smoke treatment apparatus including an outer cylinder and a rotating structure that rotates in the outer cylinder, and separates liquid components from the smoke that is introduced into the rotating structure. A smoke exhaust treatment apparatus, wherein the outer cylinder is configured to introduce a smoke exhaust pipe for introducing the smoke, a gas exhaust pipe for discharging a gas separated from the smoke, and a liquid component separated from the smoke. The rotary structure is formed with a plurality of diffusion ports penetrating from the inner surface to the outer surface and rotating about the extending direction. A rotary smoke exhaust pipe, and a plurality of collision plates arranged adjacent to and in contact with each other around the rotary smoke exhaust pipe so that the liquids collide with each other. The distance between the collision plates adjacent in the circumferential direction of the outer cylinder is narrowed toward the radially outer side of the outer cylinder. Is, during rotation of the rotary structure, be comprised of a flexible plate to flex to produce a gap to the collision plates adjacent, it is solved by.

In the flue gas treatment apparatus of the present invention, the flue gas flows into the rotary flue gas introduction pipe, and the rotary structure is rotated about the extending direction of the rotary flue gas introduction pipe, thereby discharging from the discharge port. Particulates and liquids contained in smoke and smoke are scattered. At this time, fine particles and liquid components having a high specific gravity are easily scattered in the outer circumferential direction due to the centrifugal force. Among the fine particles and liquid components contained in the flue gas, those having high adhesion collide with the collision plate disposed around the rotary flue gas introduction pipe, and aggregate with each other due to the adhesion. . Thereafter, the liquid component aggregated by the collision plate flows down as it is and accumulates at the bottom of the outer cylinder, or moves on the surface of the collision plate in the outer peripheral direction by receiving centrifugal force.
At this time, since the distance between the collision plates arranged adjacent to each other in the circumferential direction of the outer cylinder is arranged to narrow toward the outer side in the radial direction (outer circumferential direction) of the outer cylinder, The density of the flue gas in the vicinity of the portion (the end of the collision plate) is increased, and the liquid component (fine particles) in the flue gas can be more easily aggregated. The agglomerated liquid component scatters from the narrowed portion toward the outside of the rotating structure, and then flows down to the bottom of the outer cylinder.
As described above, the flue gas treatment apparatus of the present invention has a configuration in which a highly viscous liquid component contained in the flue gas is agglomerated by the collision plate and flows down, and thus an apparatus having a filter that filters the liquid component. Unlike the above, clogging is difficult and continuous operation for a long time is possible.
And the collision board of this invention is formed with the flexible board | plate material. Therefore, by rotating the rotating structure at high speed and applying a centrifugal force to the collision plate, the collision plate is bent and deformed, and the distance between the collision plates arranged adjacent to each other (that is, the gap between the narrowed portions) is increased. growing. As a result, the liquid component can be effectively scattered from the narrowed portion toward the outer peripheral direction without depositing the liquid component in the narrowed portion. Furthermore, components (solid components such as dust) other than the liquid contained in the flue gas can also be effectively removed by increasing the gap between the narrowed portions.
As described above, the flue gas treatment apparatus of the present invention agglomerates the liquid component in the flue gas by the collision plate and separates the liquid component from the flue gas by flowing down, so that the problem due to clogging of the filter or the like occurs. It does not occur and operates stably for a long time.
Then, by configuring the collision plate with a flexible plate, it is possible to control the size of the narrowed portion between the collision plates depending on the number of rotations of the rotating structure. Therefore, since the rotating structure has a self-cleaning action according to the number of rotations (rotation speed), it is stable for a long time without depositing a highly viscous liquid in the rotating structure even without a special cleaning mechanism. Can be operated.
Furthermore, the liquid can be recovered as fuel by extracting the liquid accumulated in the bottom of the outer cylinder with a liquid discharge pipe. As described above, the liquid component is continuously discharged, so that the smoke emission treatment device of the present invention can be operated continuously for a long time.

At this time, it is preferable that the collision plate is formed with a plurality of minute protrusions on at least a part of the radially inner surface of the outer cylinder.
Thus, the area where the flue gas contacts can be increased by adopting a configuration in which a plurality of minute protrusions are formed on the inner side surface (surface in the inner circumferential direction) of the collision plate. As a result, the frequency with which the liquid component in the flue gas comes into contact with the collision plate is increased, so that the liquid component is likely to aggregate and the liquid component in the flue gas can be efficiently separated.
In addition, by providing the minute projections in the narrowed portions of the adjacent collision plates, the gaps in the narrowed portions of the adjacent collision plates in the circumferential direction are not blocked, and a gap for the minute projections is secured. The liquid component can be discharged. As a result, since the liquid component and other solid components are scattered from the gap of the narrowed portion, the liquid component and solid components can be efficiently removed without accumulating on the rotating structure.

In this case, it is preferable that the rotating structure includes a plurality of the collision plates on the same radial direction of the outer cylinder.
Thus, by providing a some collision board on the same radial direction of an outer cylinder, the liquid component contained in the flue gas diffused from the rotary type flue gas introduction pipe becomes easy to collide with a collision board. That is, since the frequency with which the liquid component collides with the collision plate increases, the liquid component contained in the flue gas can be efficiently separated.

Further, at this time, it is preferable that the collision plate is formed in an arc shape in a plan view.
Thus, by forming the collision plate in a circular arc shape in plan view, it is possible to increase the area where the flue gas contacts the collision plate as compared with the case where the collision plate is formed in a planar shape. Therefore, since the contact rate of the liquid component in the flue gas is improved, the liquid component is easily aggregated, and the liquid component can be separated more efficiently.

Further, at this time, it is preferable to further include a first auxiliary collision plate arranged radially with the rotary smoke exhaust pipe as a center.
Thus, in the rotating structure, by providing not only the collision plate but also the auxiliary collision plate (first auxiliary collision plate), it is possible to further increase the area where the flue gas contacts. Therefore, since the frequency with which the liquid component in the flue gas collides increases, the liquid component is more easily aggregated, and the liquid component can be more efficiently separated.

Also, between the inner wall of the outer cylinder and the collision plate, a droplet trapping grid on which the liquid component collides, and a second auxiliary disposed between the droplet trapping grid and the collision plate It is preferable to further include a collision plate and an outer cylinder side collision plate that protrudes inward in the radial direction of the outer cylinder from the inner wall of the outer cylinder.
As described above, in the flue gas treatment apparatus of the present invention, the droplet trapping grid, the second auxiliary collision plate, and the outer cylinder side collision plate are further provided between the inner wall of the outer cylinder and the collision plate (that is, the rotating structure). If the structure is provided, the particle size of the droplets scattered from the collision plate can be further increased.
The liquid splashed from the narrowed portion of the collision plate collides with the second auxiliary collision plate and further scatters radially outward (outer circumferential direction). Further, the liquid component that has passed through the droplet trapping grid collides with the inner wall of the outer cylinder, thereby further agglomerating and further increasing the number of droplets. Furthermore, since the liquid particle collides with the outer cylinder side collision plate, the particle size of the liquid droplet is enlarged, so that the liquid separation efficiency can be further improved.
In addition, by providing the second auxiliary collision plate, it is possible to rectify the smoke exhaust air flow inside the outer cylinder, and to more efficiently separate the liquid component.

Further, it is preferable that each of the smoke exhaust pipe and the gas exhaust pipe includes a connection portion whose one end is joined to the outer cylinder, and the other end portion is disposed above the connection portion.
In this way, the flue gas introduction pipe and the gas discharge pipe are disposed to be inclined with respect to the outer cylinder, and the connecting portions with the outer cylinder are respectively lower with respect to the opening, A liquid component such as water contained in the treated gas flows into the outer cylinder. If the flue gas introduction pipe and gas exhaust pipe are connected horizontally, liquid may accumulate inside the flue gas introduction pipe and gas exhaust pipe, but the flue gas introduction pipe and gas exhaust pipe must be connected at an angle. Therefore, it is possible to prevent the liquid from staying.

Further, it is preferable that the outer cylinder includes an outer cylinder dividing mechanism that maintains an open state or a closed state, and the outer cylinder is divided into a plurality of portions.
As described above, when the outer cylinder is divided into a plurality of parts and a part of the outer cylinder can be opened and closed, cleaning and maintenance work for members housed in the outer cylinder such as a rotating structure and a droplet trapping grid are performed. Can be easily performed.

Furthermore, a solvent that dissolves the liquid separated from the flue gas is circulated in at least one of the outer cylinder, the flue gas introduction pipe, the gas discharge pipe, and the rotary flue gas introduction pipe. It is preferable to provide a mechanism.
As described above, by providing a mechanism for dissolving the liquid component at a position where the liquid component is particularly likely to accumulate in the flue gas treatment apparatus, the internal cleaning operation can be performed more easily and operated stably for a long time. be able to.

As described above, in the flue gas treatment apparatus of the present invention, the adhesive fine particles contained in the flue gas collide with the collision plate to agglomerate, and the liquid component flows down. Thus, it is possible to provide a flue gas treatment apparatus capable of continuous operation for a long time without clogging. The smoke exhausting treatment apparatus of the present invention is formed so that the adjacent collision plates are narrowed toward the outer side in the radial direction (outer peripheral direction) of the outer cylinder, so that the density of the smoke is improved in the vicinity of the narrowed portion. Therefore, since the efficiency of aggregation of the liquid (fine particles) in the flue gas on the collision plate is high, the removal efficiency of the fine particles and liquid contained in the flue gas can be improved.
Since the collision plate is formed of a flexible plate, the collision plate can be deformed and the gap between the narrowed portions can be enlarged according to the speed at which the rotating structure is rotated. Therefore, the flue gas treatment apparatus of the present invention can effectively remove liquid components and solid components on the collision plate even if a lot of highly viscous substances are contained in the flue gas, and is stable for a long time. Can be operated continuously.
Furthermore, after the liquid component existing in the exhaust gas is accumulated at the bottom of the outer cylinder, the liquid component can be collected. Therefore, it is possible to provide an exhaust gas processing apparatus that can be operated continuously for a long time.

1 is a schematic perspective view of a flue gas treatment device and a generated fuel storage tank according to an embodiment of the present invention. It is a schematic perspective view which shows the internal structure of the smoke processing apparatus which concerns on one Embodiment of this invention. It is sectional drawing in the AA of FIG. It is sectional drawing in the BB line of FIG. It is explanatory drawing of the collision board with which the smoke processing apparatus which concerns on one Embodiment of this invention is equipped. (A) It is a front view of the collision board which concerns on one Embodiment of this invention. (B) It is a top view of the collision board which concerns on one Embodiment of this invention. (A) It is a front view of the collision board which concerns on other embodiment of this invention. (B) It is an upper side figure of the collision board concerning other embodiments of the present invention. (A) It is a front view of the collision board which concerns on other embodiment of this invention. (B) It is an upper side figure of the collision board concerning other embodiments of the present invention. (A) It is a front view of the collision board which concerns on other embodiment of this invention. (B) It is an upper side figure of the collision board concerning other embodiments of the present invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The members, arrangements, materials, and the like described below do not limit the present invention, and various modifications can be made in accordance with the spirit of the present invention.

  1 to 6 relate to an embodiment of the present invention, FIG. 1 is a schematic perspective view of a flue gas treatment device and a generated fuel storage tank, and FIG. 2 is a schematic perspective view showing an internal structure of the flue gas treatment device. 3 is a cross-sectional view taken along line AA in FIG. 2, FIG. 4 is a cross-sectional view taken along line BB in FIG. 2, FIG. 5 is an explanatory view of a collision plate provided in the flue gas treatment apparatus, and FIG. Is a front view of the collision plate, and FIG. 6B is a top view of the collision plate. 7 to 9 relate to another embodiment of the present invention. In FIGS. 7 to 9, (a) is a front view of the collision plate, and (b) is a top view of the collision plate.

<< Basic configuration of the flue gas treatment apparatus 100 >>
As shown in FIG. 1, the smoke treatment apparatus 100 according to the present embodiment is formed in a cylindrical shape, and smoke is introduced from above. The generated fuel storage tank 200 is connected by a liquid discharge pipe 14 provided below the smoke treatment apparatus 100. The generated fuel storage tank 200 can store combustible components (fuel) such as tar separated from the flue gas in the flue gas treatment apparatus 100. The produced fuel storage tank 200 is provided with a valve 210 on the lower side. By opening the valve 210, the fuel stored in the produced fuel storage tank 200 can be appropriately transferred to another container.

The configuration of the flue gas treatment apparatus 100 according to the present invention will be described with reference to FIGS.
The flue gas treatment apparatus 100 includes an outer cylinder 10 having a substantially vertical direction as an axial direction, and a rotating structure 20 disposed therein. A smoke exhaust pipe 11, a gas exhaust pipe 13, and a liquid discharge pipe 14 are connected to the outer cylinder 10. The outer cylinder 10 is connected to an inlet pipe rotary bearing 12 that pivotally supports a rotary smoke exhaust pipe 21 that serves as a rotary shaft of the rotary structure 20 disposed therein, and to the rotary smoke exhaust pipe 21. The shaft rotary bearing 15 that supports the shaft 26 is disposed, and the inside thereof can be sealed.

  An outer cylinder dividing mechanism 16 is provided near the middle in the axial direction of the cylindrical outer cylinder 10, and the outer cylinder 10 can be divided into an outer cylinder upper part 10a and an outer cylinder lower part 10b. The outer cylinder dividing mechanism 16 fixes the outer cylinder lower part 10b to the open or closed state with respect to the outer cylinder upper part 10a. Therefore, any known technique such as a hinge may be used as long as the outer cylinder upper part 10a and the outer cylinder lower part 10b can be fixed. By providing the outer cylinder dividing mechanism 16, it becomes easy to divide the outer cylinder upper part 10a and the outer cylinder lower part 10b and maintain the inside thereof.

Moreover, it is preferable that the surface where the outer cylinder upper part 10a and the outer cylinder lower part 10b are joined to each other is provided with a sealing mechanism so as to maintain hermeticity.
And it divides | segments into the outer cylinder upper part 10a and the outer cylinder lower part 10b, and the rotation structure 20 (refer FIG. 2), the 2nd auxiliary collision board 41, the droplet capture grid 42, and the outer cylinder side collision board 43 (refer FIG. 4). It is possible to easily adjust and clean the inside of the flue gas treatment apparatus 100 by removing.

In the present embodiment, a configuration in which the outer cylinder 10 is vertically divided into two parts is shown. However, a configuration in which the outer cylinder 10 is divided into three or more parts and the part where the adhesive substance is deposited may be cleaned.
The material of the outer cylinder 10 can be cement, brick, metal, or the like, but it is preferable to use a material having high mechanical strength, weather resistance, corrosion resistance, heat resistance, and the like. Therefore, stainless steel is preferably used.

  Moreover, the convex part 10c which protruded in the axial direction of the outer cylinder 10 is provided above the outer cylinder upper part 10a, and the flue gas introduction pipe | tube 11 is connected to the convex part 10c. The flue gas introduction pipe 11 is introduced with flue gas from the flue gas introduction port 11a, and the flue gas introduction port 11a is connected to an apparatus and facility for generating flue gas such as an incineration facility. And it is connected with respect to the convex part 10c of the outer cylinder 10 so that the extending direction of the smoke exhaust pipe 11 is substantially horizontal. At this time, the inlet pipe connection part 11b is compared with the smoke exhaust inlet 11a. Therefore, it is preferable that they are arranged so as to be low. With this configuration, since the flue gas introduction pipe 11 is disposed at an inclination, even if liquid components such as water contained in the flue gas are condensed, the flue gas can be introduced into the flue gas treatment apparatus 100.

  A rotary smoke exhaust pipe 21 of the rotary structure 20 is inserted into the convex part 10c, and an introduction pipe rotary bearing 12 is provided at the base part of the convex part 10c (the boundary between the outer cylinder upper part 10a and the convex part 10c). It has been. As the introduction pipe rotary bearing 12, a known bearing such as a deep groove ball bearing, an angular ball bearing, or a tapered roller bearing is used.

  Further, a rotary seal mechanism 17 is provided between the upper end of the rotary smoke exhaust pipe 21 inserted through the convex portion 10c and the inner wall of the convex portion 10c, and the exhaust gas introduced from the smoke exhaust pipe 11 is provided. The smoke flows into the rotary smoke exhaust pipe 21 without leaking. A known technique can be applied to the rotary seal mechanism 17 as long as it has a high sealing property with respect to the rotary smoke exhaust pipe 21.

In the present embodiment, a configuration is described in which the upper portion of the convex portion 10c is opened and a flange is provided around the opening, but a configuration in which an appropriate device is assembled to the upper portion of the opening may be employed. As an apparatus provided in the smoke exhausting treatment apparatus 100, for example, an automatic in-pipe cleaning apparatus that cleans residues accumulated in the rotary smoke exhausting introduction pipe 21 (see FIG. 2) can be cited.
Moreover, the upper part of the convex part 10c does not necessarily need to be opened, and it is good also as a structure obstruct | occluded continuously with the side surface of the convex part 10c.

  A liquid discharge pipe 14 is disposed on the bottom surface of the outer cylinder lower part 10b, and the liquid component accumulated in the outer cylinder 10 can be extracted. Further, a gas discharge pipe 13 is disposed on the wall surface below the outer cylinder lower portion 10b, and the gas processed inside the outer cylinder 10 is discharged. As with the flue gas introducing pipe 11, the gas exhaust pipe 13 is also inclined and attached. In other words, the gas discharge port 13a is disposed at a position slightly higher than the discharge pipe connecting portion 13b, and the liquid component aggregated inside flows into the smoke treatment apparatus 100.

  The shaft 26 of the rotary structure 20 is inserted through the bottom surface of the outer cylinder lower portion 10b, and the shaft rotary bearing 15 is disposed in this portion. As the shaft rotary bearing 15, a known bearing such as a deep groove ball bearing, an angular ball bearing, a tapered roller bearing, or the like is used similarly to the introduction pipe rotary bearing 12. Moreover, it is good also as a structure which provides a sealing mechanism between the shaft 26 and the bottom part of the outer cylinder lower part 10b.

  In the flue gas treatment apparatus 100 of the present invention, the rotating structure 20 is detachably fitted in the outer cylinder 10 having the above-described configuration, and is disposed along the axial direction of the outer cylinder 10, that is, substantially in the vertical direction. The rotary structure 20 rotates around the rotary smoke exhaust pipe 21 and the shaft 26 disposed below the rotary smoke exhaust pipe 21. Note that a motor (rotation control device) (not shown) is attached to the shaft 26, and the rotating structure 20 rotates in conjunction with the outer cylinder 10 by rotating the shaft 26 by the motor.

<< Basic structure of rotating structure 20 >>
The rotating structure 20 plays a role of aggregating fine particles (liquid component) contained in the flue gas. The rotary structure 20 has a collision plate holding frame for holding a collision plate 23 made of a plate material having flexibility enough to bend with the rotation of the rotary structure 20 around the rotary smoke exhaust pipe 21. 22 is attached. The collision plate 23 and the first auxiliary collision plate 29, which will be described in detail below, are arranged so as to surround the periphery of the rotary smoke exhaust pipe 21 as an axis. The collision plate holding frames 22 are arranged in a plurality of stages along the axial direction of the rotary flue gas introduction pipe 21 with a predetermined interval, and a plate-like bridging portion 22b is provided between the collision plate holding frames 22. Is built.

  The collision plate 23 and the first auxiliary collision plate 29 are installed between the collision plate holding frames 22 arranged in a predetermined number apart from each other. The rotary smoke exhaust pipe 21 extends upward from the collision plate holding frame 22 disposed at the uppermost stage, reaches the convex portion 10c, and is lower than the collision plate holding frame 22 disposed at the lowermost stage. It is extended to.

  As shown in FIG. 3, the collision plate holding frame 22 is supported by a support portion 22 a joined substantially perpendicularly to the surface of the rotary smoke exhaust introduction pipe 21. In FIG. 3, for the sake of simplification, a part of the collision plate 23 is omitted, but the collision plate 23 is usually spread over the entire area defined by the collision plate holding frame 22 and the support portion 22a. Provided. The support portion 22a is a substantially disk-shaped plate, and is joined to the surface of the rotary smoke exhaust pipe 21 by means such as welding. Therefore, the collision plate 23 fixed to the collision plate holding frame 22 can be rotated around the rotary smoke exhaust pipe 21 while the relative position with respect to the rotary smoke exhaust pipe 21 is constant. In order to stably rotate the rotating structure 20 around the rotary smoke exhaust pipe 21 as an axis, a plurality of support portions 22a are arranged at equal intervals. In addition, in this embodiment, although the support part 22a is comprised by the five board pieces joined on the outer surface of the rotary smoke exhaust introduction pipe 21, it is not limited to this number.

  Further, in the present embodiment, the collision plate holding frame 22 is formed in a circular shape in plan view on the outside with the rotary smoke exhaust pipe 21 as an axis. Other shapes may be used. Further, the collision plate holding frame 22 is formed in a cylindrical shape as a whole, but is not limited to this, for example, a prismatic shape, a windmill shape, a fan shape, a spiral shape, a bundle tube shape, a laminated shape, and the like. Any shape that can be uniformly rotated about the rotary smoke exhaust pipe 21 as an axis may be used.

  The collision plate 23 is fixed to the fixing portion 22c provided on the support portion 22a of the collision plate holding frame 22, so that the collision plate 23 is partitioned by the support portion 22a of the collision plate holding frame 22 and the bridging portion 22b. Retained in the region. At this time, as shown in FIG. 5, the fixing portion 28b of the collision plate holder 28 and the fixing portion 22c provided in the collision plate holding frame 22 are fixed by the fastening means 28e.

The collision plate 23 is formed of a material having an appropriate thickness so that it can be deformed when the rotating structure 20 has a predetermined number of rotations or more, and the flexibility does not decrease. . Thereby, as shown in FIG. 5, when the rotating structure 20 rotates, the adjacent collision plates 23 can be bent so that a gap 23b is formed in the narrowed portion 23a.
Moreover, the material of the collision plate 23 is preferably a material that has neither water content nor oil content and high oil resistance and heat resistance (about 100 to 200 ° C.). In addition, it is desirable that the adhesive material is a material that is easily detached and is lightweight.
As long as these conditions are satisfied, the material is not limited, and examples thereof include stainless steel plates, steel plates, oil resistant heat resistant resins such as fluororesins and polyamide synthetic fibers.

  The rotary smoke exhaust introduction pipe 21 corresponds to an inner cylinder with respect to the outer cylinder 10 and is a tubular body having an open upper end, and is fitted into the convex portion 10c of the outer cylinder upper part 10a. And it is the structure where the flue gas which flowed in from the flue gas introduction pipe 11 flows in from the upper end of the rotary flue gas introduction pipe 21. In the present embodiment, the rotary flue gas introduction pipe 21 having an open upper end is shown. However, the present invention is not limited to this. The structure is not limited as long as it can be easily removed.

  In the present embodiment, an automatic in-pipe cleaning device is installed in the opening provided above the convex portion 10c of the smoke exhausting treatment device 100 in order to remove the residue accumulated in the rotary smoke exhausting introduction tube 21. Although the structure which is arrange | positioned and connected to the rotary flue gas introduction pipe 21 is illustrated, it is not limited to this, It is good also as a structure which can wash | clean the inner wall of the rotary flue gas introduction pipe 21 by another structure.

The rotary smoke exhaust introduction pipe 21 is formed with a plurality of minute diffusion ports 21a penetrating from the inner surface to the outer surface. When smoke flows into the rotary flue gas introduction pipe 21, when the rotary flue gas introduction pipe 21 rotates, the flue gas flows out from the diffusion port 21 a due to centrifugal force and reaches the rotary structure 20.
The process of separating fine particles from the flue gas will be described later.

  The lower end portion of the rotary flue gas introducing pipe 21 is closed, and a drain outlet 21b is formed on the side wall surface in the vicinity thereof (see FIG. 3), and the liquid adhering to the inside of the rotary flue gas introducing pipe 21 is formed. Is configured to be discharged.

  A shaft 26 connected to a motor (not shown) is joined below the rotary smoke exhaust pipe 21 and on the shaft core. When the shaft 26 is rotated by the power of the motor, the rotary smoke exhaust pipe 21, the collision plate holding frame 22 and the collision plate 23 are rotated in the outer cylinder 10 in conjunction with the rotation.

  Further, a substantially donut-shaped upper airflow control plate 24 and a lower airflow control plate 25 (see FIG. 3) are attached to the upper and lower ends of the portion where the collision plate holding frame 22 is joined to the rotary smoke exhaust pipe 21. ing. The upper airflow control plate 24 and the lower airflow control plate 25 are respectively formed along the outer peripheral surface of the rotary smoke exhaust introduction pipe 21, and the rotary smoke exhaust introduction pipe is above or below the collision plate holding frame 22. 21 is fitted.

  By providing the upper airflow control plate 24 and the lower airflow control plate 25, the airflow of the flue gas flowing out from the diffusion port 21a of the rotary flue gas introduction pipe 21 can be adjusted in the vertical direction and the horizontal direction. The light can be transmitted through the collision plate 23 efficiently.

  Of the members constituting the rotary structure 20, materials other than the collision plate 23 (rotary smoke exhaust pipe 21, collision plate holding frame 22, etc.) are mechanical strength, weather resistance, and corrosion resistance that can withstand abrasion during rotation. It is preferable to use a metal having high heat resistance. Therefore, stainless steel is preferably used.

<< Configuration of Gas-Liquid Separation Plate 30 >>
In the flue gas treatment apparatus 100 of the present invention, a gas-liquid separation plate 30 formed so as to partition the inside of the outer cylinder 10 is disposed below the rotary structure 20. The gas-liquid separation plate 30 is provided to separate the liquid separated by the rotating structure 20 from the gas after being processed to remove the fine particles, and is configured to divide the inside of the outer cylinder 10 vertically. .

  The gas-liquid separation plate 30 traversing the inside of the outer cylinder 10 is installed on the outer cylinder 10 by fixing means, so that the adhesive substance for separating fine particles from the flue gas above the gas-liquid separation plate 30 It is divided into a coupling region and a gas-liquid separation region for separating the fine particles and the processed gas below the gas-liquid separation plate 30.

The gas-liquid separation plate 30 is formed in such a size that the edge thereof is separated from the inner wall of the outer cylinder 10 by a predetermined distance. In the present embodiment, the gas-liquid separation plate 30 is formed of a disc having a diameter slightly smaller than the inner diameter of the outer cylinder 10. With this configuration, the liquid component separated from the flue gas can easily flow into the gas-liquid separation region below through the gap formed between the outer cylinder 10 and the gas-liquid separation plate 30.
Therefore, the gas-liquid separation plate 30 can enhance the gas-liquid separation effect by preventing the generation of turbulence in the gas-liquid separation region.

  The gas-liquid separation plate 30 is provided with a plurality of cylindrical siphons 31, and the separated liquid components are accumulated under the outer cylinder 10 through the siphon 31. The siphon 31 is formed to be substantially vertical from the plate surface of the gas-liquid separation plate 30 downward.

  The siphon 31 is in the vicinity of the inner wall of the outer cylinder 10 and in the vicinity of the rotary flue gas introduction pipe 21 in order to suppress a pressure drop caused by an air flow generated by a blower (not shown) arranged so that the exhaust gas passes. It is arranged.

  By arranging the siphon 31, a downward airflow is generated in the gap near the inner wall of the outer cylinder 10, and an upward airflow is generated around the rotary flue gas introduction pipe 21 to cause convection, thereby The air flow in the separation region can be rectified.

  The gas-liquid separation plate 30 is provided with a cylindrical portion 32 extending in the vertical direction at the center thereof. The cylindrical portion 32 is formed to open downward from the plate surface of the gas-liquid separation plate 30, and the lower end of the rotary flue gas introduction pipe 21 and the upper end of the shaft 26 are inserted therein. The inner diameter of the cylindrical portion 32 is formed slightly larger than the outer diameter of the rotary smoke exhaust pipe 21 and is designed not to interfere when the rotary smoke exhaust pipe 21 rotates.

  In addition, the rotary smoke exhaust pipe 21 is inserted into the cylindrical portion 32 at least up to a position where a drain outlet 21b provided below the rotary smoke exhaust pipe 21 is disposed. This configuration is preferable because the liquid flowing out from the drain opening 21b is likely to accumulate at the bottom of the outer cylinder 10.

  The liquid accumulated in the lower part of the gas-liquid separation plate 30 is appropriately discharged from the liquid discharge pipe 14 provided on the bottom surface of the outer cylinder 10, and the generated fuel storage provided below the smoke treatment apparatus 100 as fuel. Stored in the tank 200. On the other hand, the gas from which the fine particles have been removed and purified is discharged from the gas discharge pipe 13 connected to the lower side of the gas-liquid separation plate 30.

  The gas-liquid separation plate 30, the siphon 31, and the cylindrical portion 32 are integrally formed, and it is preferable to use materials having high mechanical strength, weather resistance, corrosion resistance, heat resistance, and the like as members. Therefore, stainless steel is preferably used.

<< Configuration of collision plate 23 >>
Next, the collision plate 23 provided in the rotating structure 20 will be described with reference to FIGS. 4 to 9.

The collision plate holding frame 22 is composed of a plate material disposed around the rotary smoke exhaust introduction pipe 21 as an axis, and the collision plate 23 is disposed therebetween.
The collision plate 23 is provided to collide and aggregate liquid components (fine particles) contained in the flue gas. The collision plate 23 is a plate material having a substantially arc shape in plan view and a substantially rectangular shape in side view. It is like a shape.
The collision plates 23 are arranged radially around the rotary smoke exhaust introduction pipe 21 and are arranged adjacent to each other in the circumferential direction of the outer cylinder 10. The distance between the pair of adjacent collision plates 23 is narrowed toward the radially outer side of the outer cylinder 10. In addition, although the shape of a pair of adjacent collision plates 23 and 23 has shown the throat shape of planar view, the shape of the collision plate 23 is not limited to this, The collision plate 23 of various shapes is shown. Applicable.

  The distance between the pair of adjacent collision plates 23 is narrowed toward the outer side in the radial direction of the outer cylinder 10, thereby increasing the density of the smoke and the liquid contained in the smoke. It is possible to increase the chance of collision (collision probability) between minutes (fine particles). As a result, contact between the liquid components (fine particles) in the flue gas is promoted, so that the fine particles and liquid components in the flue gas easily aggregate and can be efficiently separated from the flue gas.

  As shown in FIG. 5, the collision plate 23 made of a plate material having a substantially arc shape in plan view is held by a collision plate holder 28 having a holding portion 28a that is also formed in a substantially arc shape in plan view. The collision plate holder 28 is a member that holds the collision plate 23 and is fixed to the collision plate holding frame 22, and has a substantially sector shape in plan view. The collision plate holder 28 is disposed in contact with the collision plate 23, and a holding portion 28 a that is a plate material that holds the collision plate 23 in a substantially arc shape, and a fixing portion that is a plate material fixed to the collision plate holding frame 22. 28b, and a support portion 28c that is a plate member that is supported by the holding portion 28a and is supported by the holding portion 28a and the fixing portion 28b. The fixed portion 28b and the support portion 28c are fixed substantially vertically in a plan view and prevent the holding portion 28a from bending inward in the radial direction of the arc.

  The collision plate holder 28 is fixed to each other by a fastening means 28d (bolt-nut or the like) in a combined state to hold the two collision plates 23, 23 and to the collision plate holding frame 22. Fixed. At this time, the fixing portion 28b is disposed radially along the radial direction of the outer cylinder 10 with the rotary smoke exhaust pipe 21 as the center. And the holding | maintenance part 28a is arrange | positioned so that it may bulge toward the radial inside of the outer cylinder 10. As shown in FIG. In addition, although the structure which provided the fastening means 28d in two places is shown in FIG. 5, it is not limited to this number.

  As described above, in the collision plate holder 28 arranged in a combined state, the fixing portion 28b of one collision plate holder 28 is formed longer on the outer peripheral direction side than the other. The fastening means 28e is attached to the elongated portion, and the collision plate holder 28 (and the collision plate 23) is fixed to the collision plate holding frame 22.

  The collision plate 23 is a plate material formed in a substantially arc shape in plan view, and when viewed in plan (state of FIG. 5), the narrowed portion 23a on one end (free end) side is one end of another adjacent collision plate 23. The narrow portion 23a on the (free end) side is disposed with a very small space. Then, the other end (fixed end) side of the collision plate 23 is bent along the shapes of the holding portion 28a and the fixing portion 28b of the collision plate holder 28, and the fixed portion 28b of the pair of collision plate holders 28 and 28. , 28b. The collision plate 23 is held by the collision plate holder 28 by the fastening means 28d.

  Further, the collision plate holder 28 may be provided with an urging member (not shown) such as a spring. It is preferable that the urging member urges the collision plate 23 toward the radially inner side of the outer cylinder 10 (in other words, the side of the collision plate 23 adjacent in the circumferential direction). By providing such a configuration, the pair of collision plates 23 and 23 arranged adjacent to each other is held so that the gap 23b formed between the end portions (the narrow portions 23a and 23a) is narrowed.

  Note that the length (width from the inner peripheral side to the outer peripheral side) of the constricted portion 23a is the drop discharge force (that is, the liquid component is discharged from the radially outer end of the outer cylinder 10 in the collision plate 23). It is set as appropriate in consideration of ability. If the constricted portion 23a is too long, the adhesive force of the liquid component (particulates) that has been dropletized becomes larger than the droplet discharging force due to the centrifugal force. Therefore, in consideration of the relationship between the centrifugal force and the adhesive force, the constricted portion 23a. The length of is determined.

  In the collision plate 23, a plurality of minute protrusions 23c are formed at least partially. By providing the minute projections 23c, the area in contact with the flue gas can be increased, and as a result, the liquid component contained in the flue gas can be more easily aggregated. Further, by providing the minute projections 23c, the width of the gap 23b between the narrowed portions 23a and 23a can be secured by the height of the minute projections 23c in the pair of collision plates 23 and 23 disposed adjacent to each other. The gap 23b can be prevented from being closed. That is, the narrow portion 23a of the collision plate 23 is provided with the minute projections 23c, so that the width of the gap 23b can be reliably formed (secured).

  As described above, the width of the gap 23b is determined depending on the height of the minute protrusion 23c (the distance from the smooth surface of the collision plate 23 to the highest portion of the minute protrusion 23c). Therefore, the height of the minute protrusions 23c is appropriately determined in consideration of the viscosity of the liquid in the flue gas and the particle diameter of the fine particles. At this time, if the height of the minute projections 23c is determined in consideration of the rotational speed of the rotary smoke exhaust pipe 21 of the rotary structure 20, the blowing pressure, etc., the liquid component (fine particles) is more efficiently removed from the exhaust smoke. It becomes possible to do. In the present embodiment, the height of the minute protrusion 23c is 0.4 mm.

  Although the minute protrusions 23c may be formed on the entire surface of the collision plate 23, it is particularly preferable that the minute protrusions 23c are provided in the narrowed portion 23a. By providing the narrow protrusions 23c in the constricted portion 23a, the area in contact with the flue gas increases in the vicinity of the constricted portion 23a where the flue gas concentrates at high density, so that the liquid component contained in the flue gas is more likely to aggregate. It is preferable.

  In FIG. 5, the minute protrusions 23 c are formed on one of the pair of collision plates 23, 23, but may be provided on both of the collision plates 23, 23. Further, in FIG. 5, the example in which the minute projections 23 c are formed on one side of the collision plate 23 is shown, but the micro projections 23 c may be formed on both sides.

  The minute protrusions 23c are formed by a technique such as pressing, embossing, plating, silk printing. When printing is used as a technique, a material such as a fluororesin that is difficult to adhere to a highly viscous substance such as tar is preferably used. However, the material for forming the minute protrusions 23c is not limited to this, and a material having oil resistance and heat resistance can be appropriately used.

  Hereinafter, an example of the pattern shape of the minute protrusion 23c will be described with reference to FIGS. In each figure, (a) is a front view of the collision plate 23, and the right side of the drawing is a portion corresponding to the narrowed portion 23a. Further, (b) shows a top view of the collision plate 23.

  FIG. 6 shows a pattern in which minute dot-like projections are dispersed. On the collision plate 23, dot-like protrusions are formed by a technique such as printing or plating. In addition, among each pattern of the microprotrusion 23c described below, a point-like protrusion is most easily formed and is preferable.

FIG. 7 shows a pattern in which band-shaped protrusions are formed. When viewed from the front, substantially triangular belt-like projections are arranged in the vertical direction. It is preferable that the minute protrusions 23c having this shape are formed by resin molding or the like.
Further, FIG. 8 shows a pattern in which minute dot-like projections are dispersed in the same manner as in FIG. 6, but the collision plate 23 is formed with the minute projections 23c by press molding, die pressing, punching molding, or the like. .

Further, FIG. 9 shows an example in which the surface of the collision plate 23 is cut and the minute protrusions 23c are formed by belt-like grooves. In the example of FIG. 9, contrary to the example of FIG. 7, cutting is performed so that substantially triangular belt-like grooves are juxtaposed in the vertical direction.
As mentioned above, although the shape and processing method of the microprotrusion 23c were illustrated, it is not limited to the above, Of course, other shapes and processing methods may be used.

<< first auxiliary collision plate 29 >>
As shown in FIG. 4, the rotating structure 20 further includes a first auxiliary collision plate 29 in addition to the collision plate 23 described above. Similar to the collision plate 23, the first auxiliary collision plate 29 is arranged radially around the rotary smoke exhaust introduction pipe 21. The first auxiliary collision plate 29 is formed of a plate material having a substantially arc shape (semicircular shape) in plan view, and has a shape obtained by cutting a part of a cylinder like the collision plate 23. The center point 29 a of the first auxiliary collision plate 29 is on the outer peripheral side of the outer cylinder 10 with respect to the gap 23 b between the pair of collision plates 23, 23 provided in the inner peripheral direction of the outer cylinder 10. It is arranged on the radial direction.

  The first auxiliary collision plate 29 is also fixed to the collision plate holding frame 22 of the rotating structure 20, and rotates along with the movement of the rotary smoke exhaust pipe 21 as it rotates. That is, the pair of collision plates 23 and 23 and the first auxiliary collision plate 29 are always maintained at a fixed relative position.

  Therefore, the liquid splashed in the outer peripheral direction from the gap 23b between the pair of collision plates 23, 23 provided on the inner side of the outer cylinder 10 (on the rotary smoke exhaust introduction pipe 21 side) collides with the first auxiliary collision plate 29. And further agglomerate. Therefore, by providing the first auxiliary collision plate 29 in the rotating structure 20, it is possible to more efficiently collect the liquid component in the flue gas.

  As shown in FIG. 4, if the outer periphery of the first auxiliary collision plate 29 is further provided with a collision plate 23, the number of collisions of liquid components (fine particles) in the flue gas increases. It can be recovered well. At this time, it is preferable that the edge portion 29b of the first auxiliary collision plate 29 is disposed in the same radial direction with respect to the fixed end of the collision plate 23 disposed on the outer periphery. By adopting such a configuration, the liquid component scattered from the first auxiliary collision plate 29 to the outer periphery can be reliably transmitted on the collision plate 23, and as a result, the particle size of the liquid component tends to increase. Therefore, it is preferable.

  In the present embodiment, an example in which the collision plate 23 is provided in two stages has been described. However, a multistage structure including the first auxiliary collision plate 29 may be employed. In addition, when the amount of liquid (fine particles) contained in the flue gas is not large, the collision plate 23 may be provided in only one stage.

<< Separation mechanism of liquid in flue gas (fine particles) >>
Hereinafter, the structure which isolate | separates the liquid component (fine particle) in flue gas using the flue gas processing apparatus 100 of this invention is demonstrated with reference to FIG.4 and FIG.5.

First, high-temperature flue gas is introduced into the flue gas treatment apparatus 100 from the flue gas introduction pipe 11. Thereafter, the flue gas flows into the rotary flue gas introduction pipe 21 provided in the rotary structure 20.
At this time, the rotating structure 20 is rotated at a high speed around the rotary flue gas introduction pipe 21 and the shaft 26, so that a centrifugal force acts, and the flue gas is discharged from the diffusion port 21 a formed in the rotary flue gas introduction pipe 21. Flows out radially.

  Note that the thick arrows in FIG. 4 indicate the rotation direction of the rotating structure 20. In addition, the direction in which the droplet D and the flue gas swirl is indicated by thin arrows.

  The fine particles in the flue gas can collide with the collision plate 23 provided in the rotating structure 20, and the fine particles can be aggregated by utilizing the adhesiveness of the fine particles. Therefore, the particle size of the fine particles contained in the flue gas can be increased by the rotating structure 20.

  Furthermore, by rotating the rotating structure 20 in the outer cylinder 10, the number of collisions and the degree of contact between the adhesive fine particles can be increased. As a result, the particle size of the fine particles can be increased, and the fine particles in the flue gas that have reached the outer surface of the rotating structure 20 rotating at high speed have a particle size of several hundreds, tens of thousands, and hundreds of thousands of times. Increase. Therefore, in order to prevent clogging due to clogging in the gap 23b of the collision plate 23, it is necessary to sequentially remove the droplets D generated by the combination of the fine particles.

  In order to detach (scatter) the droplet D from the gap 23b of the collision plate 23, the rotational speed of the rotating structure 20 is such that the adhesive force, particle size, specific gravity, viscosity, and temperature of the flue gas contained in the flue gas. And adjusted so as to obtain an appropriate centrifugal force. At this time, the flexibility (elasticity) of the collision plate 23 is further taken into consideration, and as shown in FIG. 5, a centrifugal force is obtained such that the narrowed portion 23a of the collision plate 23 is bent and deformed, and the gap 23b is enlarged. To be adjusted. As described above, the rotating structure 20 including the collision plate 23 is rotated at high speed so that the collision plate 23 made of a flexible plate is deformed by centrifugal force, so that the fine particles collide with the collision plate 23. The droplet D passes through the gap 23b between the pair of collision plates 23 and 23. That is, the droplet D scatters in the outer peripheral direction from the gap 23b between the collision plates 23 and 23 deformed by the centrifugal force.

  By passing through this step, it is possible to combine the fine particles and increase the particle size of the droplet D, and it is possible to disperse the droplet D in the outer peripheral direction by centrifugal force. Therefore, the liquid droplets D are not removed by electrostatic force, pressure air, or the like as in the above-described prior art, but are obtained by utilizing centrifugal force (more specifically, deformation of the collision plate 23 caused by centrifugal force). Since the droplets D are collected, the power consumption can be suppressed without using a complicated configuration, and the highly safe flue gas treatment apparatus 100 can be provided.

<< Other separation mechanisms >>
In addition to the collision plate 23 and the first auxiliary collision plate 29 described above, the flue gas treatment apparatus 100 of the present invention has a configuration for colliding and aggregating liquid components (fine particles) in the flue gas, As shown in FIG. 4, the second auxiliary collision plate 41, the droplet capturing grid 42, the outer cylinder side collision plate 43, and the like are provided. Hereinafter, these members will be described.

  In order to further collide and agglomerate the droplets D scattered around the rotating structure 20 by the centrifugal force to make them have a larger particle size, the droplets D are again collided and passed through the net-like droplet trapping grid 42. The droplets D are encouraged to agglomerate and increase in particle size while passing through a mesh-like or trapezoidal droplet trapping grid 42 arranged around the rotating structure 20.

At this time, if the droplet D is tar having a high viscosity, the droplet trapping grid 42 is clogged in a short time, so that a fine wire is extended in the vertical direction and used in a comb shape. Is preferred.
Since the interdigital droplet capturing grid 42 is disposed in the vertical direction, the recombined droplets D are less likely to be clogged and easily flow downward.
Moreover, as long as it has sufficient air permeability and liquid permeability, a plate material in which fine holes are formed as the droplet trapping grid 42 may be used.

  Further, the droplet D that has passed through the droplet capturing grid 42 collides with the inner wall surface of the outer cylinder 10 and further aggregates. As a result, since the droplet D increases in particle size, it tends to move downward in the vertical direction. In FIG. 4, the droplet trapping grids 42 are arranged at four locations at intervals that divide the inner circumference of the outer cylinder 10 into substantially equal parts, but if the liquid component can be effectively separated, the outer cylinder side The number of collision plates 43 is not limited to this.

Thus, the fine particles contained in the flue gas become tar-like, move downward on the inner surface of the outer cylinder 10, and accumulate in a gas-liquid separation region provided below the outer cylinder 10.
Then, the liquid component flows down to the generated fuel storage tank 200 disposed below the outer cylinder 10 via the liquid discharge pipe 14 and stored as fuel, and the liquid component can be continuously collected. is there.

  It should be noted that a tar that has a high viscosity of liquid and has a particularly high viscosity so that it does not naturally move downward may be configured such that a scraper is provided on the inner wall of the outer cylinder 10 to force the deposits to flow downward.

  A gap is formed between the outer cylinder 10 and the rotating structure 20, and the second auxiliary collision plate 41, the droplet trapping grid 42, and the outer cylinder side collision plate 43 are respectively provided at four locations in the gap. It is arranged. The second auxiliary collision plate 41, the droplet capturing grid 42, and the outer cylinder side collision plate 43 are provided at least in the height range where the collision plate 23 is disposed. In the present embodiment, the second auxiliary collision plate 41, the droplet capturing grid 42, and the outer cylinder side collision plate 43 are arranged at four locations, but the number is not limited. However, as shown in FIG. 4, it is preferable that the arrangement positions of these members are symmetrical with respect to the axis (the rotation axis of the rotary smoke exhaust pipe 21).

  The second auxiliary collision plate 41 is made of a flat plate material, and in plan view, a plurality of plate surfaces are arranged along the tangential direction when the rotary structure 20 rotates about the rotary smoke exhaust pipe 21 as an axis. It is arrange | positioned and is arrange | positioned so that removal with respect to the outer cylinder 10 is possible. That is, the second auxiliary collision plate 41 is disposed so as to narrow the flow path area with the outer cylinder 10 as it moves downstream of the flue gas flow path. Inclined so as to introduce smoke into the plate 43.

  The plate width of the second auxiliary collision plate 41 starts from the diameter of the outer cylinder 10 and extends to the wall surface of the outer cylinder 10 when the rotating structure 20 extends in the direction of rotation along the tangential direction. The width is such that it does not reach.

  By providing the second auxiliary collision plate 41, the droplets D and the smoke exhausted from the rotating structure 20 further collide, and not only can agglomerate liquid (fine particles), but also the exhaust gas flows. It is possible to adjust the direction and the scattering direction of the liquid that is aggregated from the fine particles diffused from the rotating structure 20, and it is easy to gather the liquid in a certain direction. And the inertial force which acts on the fine particles contained in the flue gas can be increased by accelerating the flue gas discharged from the diffusion port 21a, and can be made to collide with an outer cylinder side collision plate 43 which will be described later. As a result, the liquid component in the flue gas can be efficiently recovered (inertia dust collection).

  Further, the droplet trapping grid 42 can be detached from the outer cylinder 10 in a state of being inclined with respect to a tangent when the rotary structure 20 is rotated about the rotary smoke exhaust pipe 21 as a central axis in plan view. It is arranged. In FIG. 4, the droplet capturing grid 42 is shown as a plate for simplification, but more specifically, the droplet capturing grid 42 is formed of a wire having an appropriate wire diameter. The wire rods are arranged in parallel hooks along the rotation axis direction of the rotary structure 20.

  By providing the droplet trapping grid 42, the fine particles separated from the flue gas collide with the droplet trapping grid 42 to further agglomerate to increase the particle size, and easily flow down as a liquid component. In this embodiment, the droplet trapping grid 42 in which wires are arranged in a bowl shape is illustrated, but the configuration of the droplet trapping grid 42 is not limited to this, and the flow of liquid separated from flue gas is preferable. Anything can be used.

  The outer cylinder side collision plate 43 is made of a flat plate material, and is arranged to be removable from the outer cylinder 10 so as to protrude radially inward substantially perpendicular to the inner wall surface of the outer cylinder 10. . The outer cylinder side collision plate 43 is configured with a plate width that does not contact the rotary structure 20. The position where the outer cylinder side collision plate 43 is disposed is in the vicinity of the second auxiliary collision plate 41 and on the downstream side where the exhaust gas flows (that is, closer to the outer cylinder 10 of the second auxiliary collision plate 41). It is preferable that it is provided in the vicinity of the end portion.

  By providing the outer cylinder side collision plate 43, the liquid component whose scattering direction is controlled by the second auxiliary collision plate 41 is likely to collide with the outer cylinder side collision plate 43, and the liquid component is transferred to the outer cylinder side collision plate 43. By colliding, the particle size of the liquid is further increased and it is easy to flow down. Therefore, the second auxiliary collision plate 41, the droplet capturing grid 42, and the outer cylinder side collision plate 43 are arranged over at least the height range in which the collision plate 23 of the rotating structure 20 is provided, that is, the range in which the liquid component is scattered. It is preferable to be provided.

  The smoke exhausting treatment apparatus 100 of the present invention includes a flexible collision plate 23 and increases the rotational speed of the rotating structure 20 so that even a highly viscous substance such as tar is effective from the rotating structure 20. Can be removed. However, in the flue gas treatment apparatus 100 of the present invention, the processing function by sticking and solidifying an adhesive substance inside the outer cylinder 10, the flue gas introducing pipe 11, the gas exhaust pipe 13, the rotary flue gas introducing pipe 21, etc. An automatic cleaning mechanism may be further provided in advance to prevent the deterioration. As an example of the automatic cleaning mechanism, there is a mechanism in which a solvent capable of dissolving an adhesive substance is atomized and automatically added to circulate in the apparatus so that each part can be automatically cleaned.

  More specifically, a cleaning device such as a nozzle that sprays a solvent is disposed on each part of the smoke exhausting treatment apparatus 100, and a cleaning device control device that controls opening and closing of the nozzle is provided outside the smoke exhausting treatment apparatus 100. In this case, it is preferable to connect the cleaning device.

  Further, in the present embodiment, it is preferable to provide a three-way valve-like switching device in the flue gas introduction pipe 11 and to provide a mechanism for stopping the air flow from the flue gas generation source when performing internal cleaning. The inside of the flue gas treatment device 100 is easily cleaned by performing the same operation as during the flue gas treatment while introducing the mist generated in the apparatus for adding the adhesive substance solvent into the flue gas treatment device 100. can do. However, the automatic cleaning mechanism is not limited to the method of adding the above-mentioned solvent, and is not limited to this as long as it has a function of discharging the adhesive substance deposited inside the apparatus to the outside.

  In addition, since the flue gas treatment apparatus 100 of the present invention performs the flue gas treatment using the stickiness of the fine particles contained in the flue gas, basically only a substance with low stickiness is separated. Is difficult. However, since the flue gas contains a small amount of sticky substance, it aggregates so that the low-sticky substance is taken into the sticky substance, so even the low-sticky substance is separated. be able to.

Further, the flue gas treatment apparatus 100 of the present invention refers to a state in which a combustible substance is burned at a low temperature (that is, a state in which a combustible material is scorched or burnt, and a gas generated by pyrolysis is not burned with a flame. It is particularly suitable for flue gas generated when burning.
In the case of low-temperature combustion, incomplete combustion occurs and carbon monoxide may be generated. Therefore, it is preferable to provide equipment for removing carbon monoxide by other methods such as secondary combustion.

DESCRIPTION OF SYMBOLS 100 Flue gas processing apparatus 200 Generated fuel storage tank 210 Valve 10 Outer cylinder 10a Outer cylinder upper part 10b Outer cylinder lower part 10c Convex part 11 Exhaust gas introduction pipe 11a Exhaust gas introduction port 11b Introduction pipe connection part (connection part)
12 Introduction pipe rotary bearing 13 Gas exhaust pipe 13a Gas exhaust port 13b Exhaust pipe connecting part (connecting part)
14 Liquid discharge pipe 15 Shaft rotary bearing 16 Outer cylinder dividing mechanism 17 Rotary seal mechanism 20 Rotary structure 21 Rotary smoke exhaust pipe 21a Discharge port 21b Drain outlet 22 Collision plate holding frame 22a Supporting part 22b Bridging part 22c Fixed Part 23 Collision plate 23a Narrow part 23b Gap 23c Micro projection 24 Upper airflow control plate 25 Lower airflow control plate 26 Shaft 28 Collision plate holder 28a Holding part 28b Fixing part 28c Supporting parts 28d, 28e Fastening means 29 First auxiliary collision board 29a Center point 29b Edge portion 30 Gas-liquid separation plate 31 Siphon 32 Tube portion 41 Second auxiliary collision plate 42 Droplet capture grid 43 Outer cylinder side collision plate D Droplet

Claims (9)

A smoke exhausting apparatus that includes an outer cylinder and a rotating structure that rotates within the outer cylinder, and separates liquid components from the smoke that is introduced into the rotating structure,
The outer cylinder includes a flue gas introduction pipe that introduces the flue gas, a gas discharge pipe that discharges a gas separated from the flue gas, and a liquid discharge pipe that discharges a liquid component separated from the flue gas. , Is connected,
The rotating structure includes a rotary smoke exhaust pipe having a plurality of diffusion ports formed through the inside surface and extending from the inner surface to the outer surface, and the rotary smoke exhaust pipe. A plurality of collision plates disposed adjacent to and in contact with each other around the smoke introduction pipe and the liquid components collide with each other,
The collision plate is disposed such that a distance between the collision plates adjacent in the circumferential direction of the outer cylinder is narrowed toward the outer side in the radial direction of the outer cylinder. A flue gas treatment apparatus comprising a flexible plate material that bends so as to create a gap between the matching collision plates.   The flue gas processing apparatus according to claim 1, wherein the collision plate is formed with a plurality of minute projections on at least a part of a radially inner surface of the outer cylinder.   The smoke exhausting apparatus according to claim 1 or 2, wherein the rotating structure includes a plurality of the collision plates on the same radial direction of the outer cylinder.   The flue gas processing apparatus according to any one of claims 1 to 3, wherein the collision plate is formed in an arc shape in a plan view.   The said rotary structure is further equipped with the 1st auxiliary | assistant collision board arrange | positioned radially centering | focusing on the said rotary-type flue gas introduction pipe | tube. Flue gas treatment equipment.   Between the inner wall of the outer cylinder and the collision plate, a droplet capture grid on which the liquid component collides, and a second auxiliary collision plate disposed between the droplet capture grid and the collision plate And an outer cylinder side collision plate that protrudes radially inward of the outer cylinder from the inner wall of the outer cylinder. 6. The exhaust gas according to any one of claims 1 to 5, further comprising: Processing equipment. The flue gas introducing pipe and the gas exhaust pipe each include a connection portion having one end joined to the outer cylinder, and the other end portion is disposed above the connection portion. The smoke processing apparatus according to any one of claims 1 to 6 . The outer cylinder is provided with an outer tube splitting mechanism for maintaining the open state or the closed state, the flue gas according to any one of claims 1 to 7 wherein the outer tube is characterized in that it is divided into a plurality of portions Processing equipment. At least one of the outer cylinder, the smoke exhaust pipe, the gas exhaust pipe, and the rotary smoke exhaust pipe is provided with a mechanism for circulating a solvent that dissolves the liquid separated from the smoke. The flue gas treatment apparatus according to any one of claims 1 to 8 , wherein

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