Art
[1]
The present invention relates to a combustor, the combustor for the recovery of combustion heat generated by burning the solid fuel in the combustion chamber to be used as energy.
BACKGROUND
[2]
And generally as industrial water, igniting the fuel in the combustion chamber in order to obtain thermal energy in industrial facilities such as steam or gas requires a high temperature to burn and utilize a combustors for generating thermal energy, the municipal solid waste as a fuel to be used in such a combustor yeonryohwa there is a solid fuel, such as widely used in the economical efficiency and recycling aspects.
[3]
By the way, in the process for combusting a solid fuel as described above, the relative temperature to the ignition of solid fuel, there is a limit to improving the combustion efficiency according to cease to combust by simply supplying a low outside air.
[4]
Also, the combustor has been firmly made in terms of durability, because, even if to form a more high temperature inside the combustion chamber of about 1000 is also close to or, due to such a high temperature is to be the inner wall is damaged in particular configuration of the combustion chamber. Accordingly, the shorter the life of the facility, there is a problem that is causing difficulty in the continuous operation of the combustor by the replacement of further damage.
Detailed Description of the Invention
SUMMARY
[5]
An object of the present invention is to provide a combustor which as been made to solve the above problems, pre-heating the combustion gas to cool the combustion chamber inner wall.
Problem solving means
[6]
Combustion burner according to an embodiment of the present invention to achieve the above object, the grate is built-in which the combustion space is formed on the grate; Connected below the central portion of the grate a fuel supply for supplying fuel to the upper portion of the grate; Air supply section which is connected to the horizontal plane inclined side of the combustion chamber, supplying combustion air to the combustion air turning in the combustion space; As arranged projecting inside the combustion space, the combustion provided by the air supply the air from the inlet port to be lower turning along an inner wall of the combustion chamber so as to guide the combustion air, the combustion air flowing into the combustion space from the combustion space below the opening a guide member; And the guide member and the at least one of the respective surfaces facing each other on the inner wall of the combustion chamber, a downwardly inclined extending screw line shape protruding guidelines; includes.
[7]
[8]
Here, the projecting guidelines goes down in the longitudinal direction can be as low a height projecting laterally.
[9]
[10]
Further, the projecting guide line is formed on the surface that faces the inner wall of the combustion chamber in the guide member may be projected obliquely downward toward the inner wall of the combustion chamber.
[11]
Furthermore, the guidelines are projected toward down in the longitudinal direction may be larger the angle of inclination of the lower side of the combustion chamber inner wall.
[12]
[13]
And, the guide member is arranged so as to speed up the flow rate of that guide the combustion air, along the longitudinal direction at the inlet position of said combustion space distance between the respective surfaces facing each other on the inner wall of the guide member and the combustion chamber so as to narrow It can be.
[14]
[15]
Further, the guide member, the upper guide plate extends to the inside of the combustion chamber from the structure of the upper inlet in the combustion chamber; It may be provided with; and extends downwardly from the upper guide plate side of the guide plate away from the inner wall of the combustion chamber.
[16]
[17]
In addition, the air supply unit includes an upper air supply unit that is connected to the upper side of the combustion chamber, the combustion air supply combustion air to the lower turning in the combustion space; May include a; and is connected to the lower side of the combustion chamber, the combustion air after the combustion in contact with the fuel in the grate above the lower air supply unit for supplying combustion air so as to rise along the center of the combustion chamber.
[18]
At this time, the upper air supply unit may be configured to supply a number of combustion air quantity to 1.5 times to 4 times that of the lower air supply unit.
[19]
[20]
On the other hand, the air supply unit, and then the combustion air is turned along the interior wall of an outer surface of the combustion chamber to be introduced into the combustion space via the inlet, at a distance from the inner wall may be connected to the outer wall of the combustion chamber surrounding the inner wall.
[21]
[22]
In addition, the grate can be driven in rotation about said parts of the fuel supply.
[23]
Further, the fuel supply portion is formed to project through the grate toward the combustion space, it may be of a screw-type to supply the fuel continuously.
[24]
In addition, the fuel supply portion is formed to project through the grate toward the combustion space, the combustion space-side end has a downwardly hwakgyeong the blocking member may be mounted so as to laterally dispersed while blocking upward movement of the fuel.
[25]
Further, the combustion chamber can have a frusto-conical shape and a sanghyeop Beam.
Effects of the Invention
[26]
Combustor according to the invention is characterized by being a guide member and projecting guidelines configured to guide the combustion air supplied to the combustion chamber to pivot downwardly along the combustion chamber wall, to increase the combustion efficiency as preheating before the combustion air to be combusted with fuel number and, further, depending on the combustion chamber inner wall Sikkim cooling the high-temperature state has an effect capable of implementing the continuous operation of the combustor with the durability and life improvement of the combustion chamber.
Brief Description of the Drawings
[27]
1 is a view of the interior of the combustor in accordance with one embodiment of the present invention.
[28]
2 is a view showing the interior of the combustor in accordance with another embodiment of the present invention.
[29]
Figure 3 is a plan view of the upper portion connected to the air supply to the outer wall in the combustor of Figs.
[30]
Figure 4 is a view showing the guide member and projecting guidelines of the combustor of Figs.
[31]
Figure 5 is a view showing another embodiment of the extrusion guidelines in Fig.
[32]
Figure 6 is a view showing another embodiment of the extrusion guidelines in Fig.
[33]
7 is a view showing the state of the flame in accordance with the difference between the combustion air amount supplied per hour through the upper air supply unit and the lower parts of the air supply in the combustor of the present invention.
[34]
Mode for the Invention
[35]
Hereinafter, it described in detail through an exemplary illustration of the present invention. In addition as the reference numerals in the respective drawings of the component, as to the same elements even though shown in different drawings it will be noted that and to have the same reference numerals as much as possible. Further, in the following description of the present invention, a detailed description of known functions and configurations that are determined to obscure the gist of the present invention, the detailed description thereof will be omitted.
[36]
[37]
1 is a view of the interior of the combustor in accordance with one embodiment of the present invention, Figure 2 is a view of the interior of the combustor in accordance with another embodiment of the present invention.
[38]
And, Figure 3 is a plan view showing that the combustor 1 and 2 connected to the upper portion air supply to the outer wall, Figure 4 is a view showing the guide member and projecting guidelines of the combustor of Figs.
[39]
Referring to the figure, the combustor of the present invention to the combustion chamber 100 in which the combustion fuel (F) of a solid, fuel supply portion 200 for supplying the fuel (F) to the combustion chamber 100, the combustion chamber 100, and comprising an air feed for feeding combustion air (a), comprises a guide member 400 and the protruding guide line 430 for guiding the combustion air (a) supplied by the air supply unit as the main constitutive characteristics.
[40]
Here, the combustion chamber 100 is a combustion space (100a) is formed inside the lower portion of this combustion space (100a) there is a grate 130 is installed, the top is formed with a discharge port (100c). In this case, the grate 130 has a fuel supply section 200 in the central portion as a configuration in which the fuel (F) to the upper seat is connected to the lower side.
[41]
For reference, the combustion chamber 100 together preferably with a truncated cone shape as sanghyeop and Beam, stable in the durability of the side including the lower turning flow of the supplied into the combustion chamber 100 to be described later combustion air (A) It may be employed as the structure. In addition, this structure is an effective structure, removal of the unnecessary inner space of the corner in the rectangular cross section in the gas passage perspective.
[42]
[43]
In addition, the grate 130 is driven to rotate around a fuel supply unit 200, a grate 130, such as an example is connected directly to the drive member can be driven to rotate, a turntable (140 of FIG. 2) as another example installed on the upper surface of it may be when the drive member rotates the driven turntable (140) rotated in association thereto. At this time, the connection structure via a direct connection and a turntable structure (140) of the drive member relative to the grate is of course may also be used any conventional structure.
[44]
[45]
In addition, the fuel supplier 200 may take the structure for supplying the fuel (F) to the top of grate 130 is connected below the central portion of the grate 130. As an example, the fuel supply section 200 through the grate 130 protrudes form the side of the combustion space (100a), may consist of a screw system to continuously fed by a fuel (F) to the screw (210).
[46]
In addition, the fuel supply portion 200 side in the combustion space (100a) has an end portion below the hwakgyeong blocking member 220 to the upper side while blocking movement of the fuel (F) dispersion may be mounted laterally.
[47]
[48]
On the other hand, it is connected to the side portion of the combustion chamber 100 so as to supply the combustion air (A) into the interior of the air supply unit chamber 100, and may be of a particular upper air supply unit 310 and the lower air supply unit (320) . The upper air supply unit 310 and the lower air supply unit 320 is determined by the relative positions different from each other, and thus not limited for specific connecting position are connected to the side of the combustion chamber (100).
[49]
At this time, the upper air supply unit 310 and the lower air supply unit 320 may be configured to take a structure for supplying the combustion air (A) so as to pivot along the inner wall 110 of the combustion chamber 100, by way of example the air supply unit 310, the upper side as shown in Figure 3 can achieve the connection structure connected to a horizontal inclined surface on the side of the combustion chamber (100). Combustion air (A) supplied through this upper air supply unit 310 to the fuel (F) on the by drops while turning along an inner wall 110 of the combustion chamber (100) in the combustion space (100a), the grate 130 it is possible to increase the combustion efficiency as the warm-up before it reaches the inner wall 110 of the combustion chamber 100 as to block the inner wall 110 from the high heat distribution portion extending upward toward the discharge port (100c) in the central portion of the combustion chamber 100, It can drop the temperature.
[50]
And, the lower air supply unit 320 is burned so as to rise along the center of the after combustion in contact with the lower side is connected to the side, the grate 130, fuel (F) of the upper portion of the combustion chamber 100, the combustion chamber 100, air ( a a) serves to supply.
[51]
[52]
Further, the upper air supply unit 310 of the air supply is to be introduced into the combustion space (100a) through the inner wall 110, an inlet (100b) and then turning along the outer surface of the combustion air (A) is a combustion chamber 100, at a distance from the inner wall 110 surrounding the inner wall 110 may be connected to the outer wall 120 of the combustion chamber (100).
[53]
In this way, the combustion air (A) supplied through the upper air supply unit 310 it is possible to cool the inner wall 110, while turning upward along the inner wall 110, the outer surface of the combustion chamber 100, since the inlet (100b) It flows through the combustion space (100a) may be warming up while turning downward.
[54]
In addition, the lower wall 110 of the lower side of the combustion air (A) supplied through the air supply unit 320 prior to entering into the side below the combustion space (100a), the combustion chamber 100 as shown in Figure 2 as an example while the lower pivot along the external surface can be cooled to a lower inner wall (110).
[55]
[56]
On the other hand, inside the present invention is to achieve a cooling of the combustion chamber 100, an inner wall 110 with the preheating, the combustion air (A) supplied by the air supply chamber 100 of the combustion air (A) as a main constitutive features and the guide member 400 to pivot downward to be in the guide, comprises a protruding guide line 430 which is downwards turning of the combustion air (a) with the guide member 400, so that more efficient implementation.
[57]
[58]
* To take a look at the turning of the flow structure Here, the combustion air (A) to be supplied into the combustion space (100a) through the upper air supply unit 310 of the air supply as shown in the drawing in detail.
[59]
Specifically, a being horizontal plane obliquely connected to the side, the combustion air (A) the combustion space (100a) through an inlet (100b) of the upper air supply unit 310, a combustion chamber (100) Looking at the upper air supply unit 310, as an example It will have a rotary force upon entering the inside. Specifically, there is the combustion air (A) flowing into the inner wall 110 and the outer wall of the combustion space (100a) through an inlet (100b) after passing through 120 of the combustion chamber 100, and then this flow combustion space ( 100a) maintaining the rotary force even when inflow to and that is of course.
[60]
Thus, there is to the combustion space (100a) within the combustion air (A) retaining the rotary force is mm by subsequent continuous air subsequently entering the combustion air (A) at which a constant of which is, but to turn while descending, fuel (F ) is reacted with the combustion outlet (100c) upward flow combustion remaining combustion air (a by the gas of high temperature side) is yikkeulryeoseo is moved to the center side or the upper side of the combustion chamber (100).
[61]
Accordingly, the present invention is maintaining the rotary force combustion air (A) is not moved to the center side or the upper side of the combustion chamber 100, the ride the inner wall 110 of the combustion chamber 100 in the combustion space (100a) to pivot downwardly , a guide member 400 for guiding the combustion air (a) is configured.
[62]
At this time, the guide member 400 is to take the lower opening structure as arranged projecting inside the combustion space (100a) at the inlet (100b) the combustion air (A) is introduced into the combustion space (100a), specifically, the combustion chamber spaced apart from the inner wall 110 of the extension and the combustion chamber (100) downward from the upper guide plate 410 and an upper guide plate 410 extends from 100 to the inside of the combustion chamber (100a) from the upper inlet (100b) structure It may be provided with a side guide plate 411. In this case, the side guide plate 411 forms a layout structure appropriate interval apart from the inner wall 110 of the furnace 100, the combustion space (100a) in the upper guide plate 410 is preferably in the combustion chamber 100, an inlet ( 100b) is located from the upper end of the jinige the structure extends in the side guide plate 411. Of course, in the flange structure, the structure on the upper side inner wall 110 of the combustion chamber 100, as shown in the figure, and if there is an inlet (100b) of the combustion space (100a) between this structure and the inner wall 110, said flange structure of the structure is caused to function as the upper guide plate 412.
[63]
[64]
[65]
* In addition, the protruding guide line 430 is configured such that the downward turning of the combustion air (A) more efficiently implemented with a guide member 400.
[66]
Guchejeok euro, sanggi dolchul gayideu rain (430) may doel to jeokeodo one gakgak a myeon looking toward each other in the inner wall (110) of gayideu bujae (400) wa yeonsosil (100) forming euro the nasa rain hyeongsang yeonjang gyeongsajige habang .
[67]
As an example, the protruding guide line 430 may be formed on, one side of the side guide plate 420 of the combustion chamber inner wall of the guide member 400 is opposed to the 110 of the system 100 as shown in Figure 4 case, it may take an extended structure in which at least one to be downwardly inclined, multiple individuals may be arranged to be spaced apart in the vertical direction.
[68]
This protruding guide line 430, the downward turning the combustion space (100a), the inlet of the guide member 400, the combustion air (A) flowing into the combustion space (100a) through (100b) of the combustion air (A) in the course of the guide, it is possible to more effectively implement the downwad turning flow structure in the combustion air (a).

[Claim 1]
The grate is built and the combustion chamber is a combustion space formed on the grate; connected downwardly to the central portion of the grate a fuel supply for supplying fuel to the upper portion of the grate; the horizontal plane obliquely connecting to a side portion of the combustion chamber, the combustion air to the an air supplying unit configured to supply combustion air to turn in the combustion space; the combustion provided by the air supply the air in the combustion space, the combustion air so as to guide the combustion air to be below the turning along an inner wall of the combustion chamber is introduced into the combustion space, a guide member disposed below the opening while protruding in the inner combustion space at the inlet; And the guide member and the at least one of the respective surfaces facing each other on the inner wall of the combustion chamber, extends obliquely downward a screw line shape protruding guidelines; combustor comprising a.
[Claim 2]
The method of claim 1, wherein the projecting guidelines combustor, characterized in that goes down in the longitudinal direction in which the protrusion height of the lower side.
[Claim 3]
The method of claim 1, wherein the projecting guidelines combustor, characterized in that the surface is formed in the opposite to the inner wall of the combustion chamber, inclined downwardly protruding toward the inner wall of the combustion chamber in the guide member.
[Claim 4]
The method of claim 3 wherein said guidelines are projected combustor, characterized in that goes down in the longitudinal direction of enlarging the angle of inclination of the lower side of the combustion chamber inner wall.
[Claim 5]
The method of claim 1, wherein the guide member is, so as to speed up the flow rate of that guide the combustion air, the distance between each side along the longitudinal direction at the inlet position of said combustion space to face each other in the inner wall of the guide member and the combustion chamber combustor, characterized in that the narrowed so disposed.
[Claim 6]
The method of claim 1, wherein the guide member includes an upper guide plate extends to the inside of the combustion chamber from the structure of the upper inlet in the combustion chamber; The combustor comprising: a; and the side guide plate spaced apart from the inner wall of the combustion chamber and extending downwardly from the upper guide plate.
[Claim 7]
The method of claim 1, wherein the air supply unit includes an upper air supply unit that is connected to the upper side of the combustion chamber, the combustion air supply combustion air to the lower turning in the combustion space; The combustor comprising: a; and is connected to the lower side of the combustion chamber, after the combustion air to combustion in contact with the fuel in the grate above the lower air supply unit for supplying combustion air so as to rise along the center of the combustion chamber.
[Claim 8]
The method of claim 7, wherein the upper air supply unit for supplying the combustor, characterized in that a number of combustion air per hour to 1.5 times to 4 times that of the lower air supply unit.
[Claim 9]
The method of claim 1, wherein the air supply unit, and then the combustion air is turned along the interior wall of an outer surface of the combustion chamber to be introduced into the combustion space via the inlet, at a distance from the inner wall connected to the outer wall of the combustion chamber surrounding the inner wall combustor according to claim.
[Claim 10]
The method of claim 1, wherein the burner grate is characterized in that the driving unit rotates in the center of the fuel supply.
[Claim 11]
According to claim 1, wherein said fuel supply portion is formed to project through the grate toward the combustion space, the combustor being configured as a screw-type so as to supply the fuel continuously.
[Claim 12]
According to claim 1, wherein said fuel supply portion is formed to project through the grate toward the combustion space, the combustion space-side end portion, and that an lower hwakgyeong the blocking member to the side dispersed while blocking upward movement of the fuel equipped combustor according to claim.
[Claim 13]
The method of claim 1, wherein the combustion chamber is a combustor, characterized in that, with a truncated cone shape as to sanghyeop Beam.