KR101958838B1 - Black roofing tile molding apparatus with waste-gas combustor - Google Patents

Abstract

The present invention relates to a black roof tile molding device having a waste gas combustor. The black roof tile molding device comprises: a calcining furnace (10) having a combustion chamber (11); an entrance door (12) for enabling a roof tile (101) to enter and exit; a plurality of nozzles (16); an oil supply pipe (15); a plurality of burners (14); a flue (13); and a blocking plate (23). A waste gas can be effectively combusted, and thus it is possible to prevent environmental pollution.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a black roofing tile molding apparatus with a waste gas combustor,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blacking machine and a molding apparatus provided with a waste gas burner, and more particularly, to a blackening machine and a molding apparatus, In the inside of the combustion cylinder, soot flowing into the lower portion of the combustion cylinder is bumped into the lower cover body and the intermediate plate in a collapsed state, Soot that is finely crushed in the upper and lower combustion chambers formed in the upper and lower combustion chambers is combusted in the first and second phases so that waste gas including soot to be exhausted to the outside through the stack can be effectively burned to prevent environmental pollution.

Conventional blacking and manufacturing methods are known for the patent application No. 10-2015-0111537 (entitled "Blackening and Manufacturing Method"), which was filed by the inventor of the present invention.

In the above prior art, the soot generating material is injected into the calcining furnace after the primary cooling step in which the internal temperature of the calcining furnace for burning the tile is naturally cooled to 800 to 850 DEG C, and then the plant oil is injected. By blocking all the holes in the baking furnace, the vegetable oil is not ignited so that the baking furnace does not explode and the soot is not discharged to the outside, thereby making it possible to manufacture the black furnace without polluting the environment.

The blackening and manufacturing method according to the present invention includes: a tile forming step of forming a red-and-white tile using red mud; A tuyere having a tile formed in a tile forming step into a combustion chamber of a firing furnace, heating the tiling until the internal temperature of the combustion chamber reaches 1,150 캜, A first cooling step of cooling the burner until the inner temperature of the combustion chamber falls to 800 to 850 DEG C in a state where the burning furnace is closed after stopping the operation of the burner in the tuyere charging and heating step; A vegetable oil injection step of injecting 20 liters of vegetable oil into the interior of the calcining furnace maintaining a temperature of 800 to 850 DEG C for 30 minutes; Wherein the vegetable oil injected in the step of injecting the vegetable oil infiltrates into the tile so as to be darkly colored, and naturally cooled for 12 hours so that the internal temperature of the furnace is lowered to room temperature, And a tear-off step of taking out the colored tiles in the firing furnace after the second cooling step and the coloring and the second cooling step.

When the vegetable oil injection step and the coloring step and the second cooling step are performed for coloring the bandit and the soot, the entire inside of the baking furnace is completely sealed so that the soot is not exhausted to the outside, but the soot penetrates into the bandit, The waste gas containing soot remaining in the firing furnace is discharged to the outside and pollutes the environment.

Patent Application No. 10-2015-0111537 (title of the invention: blacking and manufacturing method)

SUMMARY OF THE INVENTION It is an object of the present invention to provide a waste gas burner that is provided outside a stack of a black furnace and a molding apparatus, and a connecting pipe connected to a lower side of the furnace burner of the waste gas burner, And the soot flowing into the lower portion of the combustion cylinder in the combustion cylinder is finely crushed by bumping against the lower cover body and the intermediate plate to form a finely divided portion in the upper and lower combustion chambers formed on the upper and lower sides of the intermediate plate, The technical problem is to prevent the environmental pollution by effectively burning offgas containing soot to be exhausted to the outside through the stack by making the soot burning on the first or second stage.

In order to accomplish the above object, the present invention provides a blacking and molding apparatus equipped with a waste gas combustor, wherein an entrance door for entering and exiting the tile is installed at one side of a sintering furnace having a combustion chamber therein, And a plurality of burners are detachably installed under the firing furnace, and the other side of the firing furnace is provided with a lower stack, which is connected to the lower portion of the firing furnace, The upper and lower stacks are installed upward and downward, respectively, and upper and lower stacks are provided with upper and lower stacks, respectively.

The shutoff plate is provided with an exhaust port for detachably blocking the upper portion with the shutoff cap;

A waste gas combustor is installed outside the upper stack, wherein a combustor installation stand is provided outside the upper stack, and a combustion pipe is vertically installed in the combustor installation stand, and an upper exhaust pipe is provided between the upper part of the combustion pipe and the communication pipe And an upper portion of the lower inflow pipe provided with a connection pipe for connecting the lower end of the waste gas to the exhaust port when the waste gas is burned is inserted into the combustion pipe;

A lower cover body in the form of a cap having a plurality of through holes formed in the inner bottom surface of the combustion tube to surround the upper periphery of the lower inflow pipe, An intermediate plate formed with spacing grooves is provided;

And a burner for injecting a flame into the flame hole is provided outside the flame hole at a position spaced apart from the flame hole on the side wall of the upper combustion chamber side communication pipe.

As described above, according to the present invention, when a soot is colored in a bandit for blackening and molding, a waste gas containing a small amount of soot flows into the combustion canister in a state where a connection pipe of a waste gas combustor is connected to a small exhaust port , The waste gas containing soot is finely crushed, and the waste gas including the soot is burned twice or more, so that the waste gas containing soot to be exhausted to the outside through the stack can be effectively burned to prevent environmental pollution. As the waste gas containing a small amount of soot is discharged to the side of the waste gas combustor during the coloring process, the pressure inside the burning furnace is lowered, thereby preventing or preventing the explosion accident.

1 is a cross-sectional view showing a blackening unit and a molding apparatus provided with a waste gas combustor according to the present invention;
2 is a perspective view showing a state in which a waste gas combustor is installed in the present invention.
3 is a cross-sectional view showing an installation state of a waste gas combustor as a main part of the present invention.
4 is a sectional view taken along the line AA in Fig.

Hereinafter, referring to FIG. 1 to FIG. 4, the blackening and molding apparatus provided with the waste gas combustor according to the present invention will be described as follows.

As shown in Figs. 1 and 2, the blackening machine and the molding machine (abbreviated as blackening machine and molding machine) equipped with the waste gas combustor according to the present invention are known in the art, 10-2015-111537), the waste gas combustor 30 is additionally provided.

The black mold and the molding apparatus 100 are integrally formed and an entrance door 12 for entering and exiting the tile 101 is installed at one side of a sintering furnace 10 having a combustion chamber 11 therein, A plurality of nozzles 16 for injecting vegetable oil into the combustion chamber 11 are provided at an upper portion of the furnace 10 and an oil supply pipe 15 is installed at an outer predetermined position of the furnace 15, A plurality of burners 14 are detachably installed.

The burner 14 is installed in a wall constituting the burning furnace 10 so that the burner is inserted into the burning chamber only when the burner is operated to heat the inside of the combustion chamber 11, When the operation is stopped, the burner is separated from the burner so that the burner can be blocked by the burner cover (not shown).

A lower portion of the stack 20, i.e., the lower stack 19 is connected to the lower portion of the firing furnace 10, and the lower stack 19 is connected to the lower portion of the firing furnace 10, An upper chimney 18 having an opening 24 provided on one side or both sides of the opening and closing door 25 is installed upward and a communication 13 is installed upwardly on the upper chimney 18 have.

Between the upper and lower stacks 18 and 19, a shut-off plate 23 having an exhaust port 22 formed therein is provided to cut off the upper and lower stacks 18 and 19, A shutoff cap (21) for closing the exhaust port (22) is detachably mounted by screws.

1 to 3, a combustor installation stand 40 is installed outside the upper stack 18, and the combustion vessel 31 is connected to the burner installation stand 40, And an upper exhaust pipe 43 is connected to the upper exhaust pipe 31 at an upper portion between the upper exhaust port 31a formed in the upper portion of the combustion pipe 31 and the communication pipe 13, And an upper portion of the lower inflow pipe 39 having the connecting pipe 42 at the lower side thereof is inserted into the communication pipe 31. [

At this time, the lower end of the connecting pipe 42 is connected to the exhaust port 22 formed in the blocking plate 23 only when the waste gas containing soot is to be burned.

A cap-shaped lower cover body 37 having a plurality of through-holes 36 formed in the inner bottom surface of the combustion tube 31 is installed to surround the upper periphery of the lower inflow pipe 39 3 and 4, an intermediate plate 34 having a plurality of vent grooves 33 spaced from each other is provided on the outer circumferential surface of the lower cover body 37, Upper and lower combustion chambers 35 and 35a are formed in the upper and lower portions of the intermediate plate 34 in the interior of the communication 31 and flame holes 32 are formed in the side walls of the combustion chamber 31 on the upper combustion chamber 35 side.

A burner 41 for injecting a flame into the flame hole 32 is provided outside the flame hole 32 at a distance from the flame hole 32. The burner 41 is mounted on the combustor mounting base 40 The burner mounting base 44 can be installed on the outside of the combustion chamber 31 or the burner mounting base 44 to be installed.

The operational relationship of the present invention constructed as described above will be described with reference to FIGS. 1 to 4. FIG.

The blackening and molding in the molding apparatus 100 according to the present invention can be carried out by a tiling forming step of forming a bandwagon using red mud and a tiling 101 formed in the tiling forming step in the combustion chamber 10 of the firing furnace 10 11), heating and heating the furnace until the internal temperature of the combustion chamber reaches 1,150 ° C, stopping the operation of the burner (14) in the furnace charging and heating step, sealing the furnace (10) A first cooling step in which the internal temperature of the combustion chamber is naturally cooled until the internal temperature of the combustion chamber falls to 800 to 850 DEG C and a second cooling step in which 20 liters of vegetable oil is injected into the inside of the calcining furnace maintained at a temperature of 800 to 850 DEG C for 30 minutes The vegetable oil injecting step and the vegetable oil injected in the vegetable oil injecting step are soaked in the tile 101 by the incomplete combustion caused by the heat of the baking furnace 10, On Is composed of a colored and a secondary cooling step and, the coloring, and the tile drawn Step 2 after subjected to primary cooling step bringing the tile (101) colored in a firing furnace 10 to cool naturally for 12 hours to go down to room temperature.

In addition to the above-mentioned vegetable oil, it is possible to use an elastane gas or an elastomer gas, and these oils can be referred to as a soot generating oil.

1 to 3 in the blacking and forming process and in the coloring and secondary cooling step, the opening / closing door 25 provided on the upper stack 18 is opened and the upper side of the air outlet 22 of the shutoff plate 23 The lower end of the connecting pipe 42 provided below the waste gas combustor 30 is inserted into the exhaust port 22 after the shutoff cap 21 which has been screwed in is screwed off.

When the lower end of the connection pipe 42 is inserted into the exhaust port 22 and the opening and closing valve 38 provided in the lower inflow pipe 39 connected to the connection pipe 42 is opened, the combustion chamber 11 And a lower exhaust port 22 is located in the upper part of the lower stack 19 so that a part of the soot filled in the combustion chamber 11 of the baking furnace 10 in the coloring stage is exhausted through the exhaust port 22).

At this time, a small amount of soot is discharged into the small exhaust port 22, so that a large amount of soot exists in the combustion chamber 11 of the firing furnace 10, so that a large amount of soot penetrates into the tile 101, .

The connecting pipe 42 is connected to the exhaust port 22 so as to operate the burner 41 provided outside the combustion pipe 31. The burner 41 is connected to the front end of the burner 41, The oxygen outside the combustion chamber 31 and the flame ejected from the burner 41 flow into the inner combustion chamber 35 of the combustion chamber 31 through the flame hole 32 since the combustion chamber 32 is spaced apart from the combustion chamber 31 And the oxygen flowing into the flame hole 32 flows into the lower combustion chamber 35a through the ventilation groove 33 formed in the outer periphery of the intermediate plate 34. [

The waste gas including soot flowing into the connection pipe 42 through the exhaust port 22 flows into the lower portion of the combustion pipe 31 through the open and close valve 38 and the lower inflow pipe 39, A plurality of through holes 36 are formed in the side wall of the lower bottom of the combustion tube 31 and an upper portion of the lower cover body 37 in the form of a closed cap is installed so that waste gas including soot flowing upward into the lower inflow pipe 39 And is first crushed into small pieces while bumping against the clogged bottom surface of the lower cover body 37.

When a small soot piece that is initially small is smaller than the through hole 36 formed in the side wall of the lower cover body 37, such a small soot piece passes through the plurality of through holes 36, And then goes up to the combustion chamber 35a.

At this time, the oxygen introduced through the flame hole 32 is in the lower combustion chamber 35a. When the waste gas containing the soot rises to the combustion chamber 31 side, the heat of the high temperature rises as well, And the waste gas containing the soot coming into the lower combustion chamber 35a is primarily burned as the ignition is performed.

The waste gas containing soot that has not yet been burned in the process of burning the waste gas including soot coming into the lower combustion chamber 35a bombards the intermediate plate 34, which is horizontally installed in the middle of the combustion cylinder 31, .

As shown in FIGS. 3 and 4, the intermediate plate 34 has a plurality of vent grooves 33 formed on the outer periphery thereof to be coupled with the inner wall surface of the combustion cylinder 31, The soot particles that have become soot come to the upper combustion chamber 35 on the upper side of the intermediate plate 34 through the plurality of vent grooves 33.

At this time, since the flame ejected from the burner 41 and the oxygen outside the combustion tube 31 are injected into the upper combustion chamber 35 by the upper combustion chamber 35, soot particles coming into the upper combustion chamber 35 are separated from the waste gas And are burned together with the second.

As the waste gas containing soot is burned in the combustion chamber 31 in the first and second stages, the waste gas including soot coming out of the combustion chamber 11 is effectively burned, and the exhaust gas after the waste gas is burned, And is exhausted to the communication pipe 13 through the upper exhaust pipe 43 connected between the upper upper exhaust port 31a of the communication pipe 31 and the communication pipe 13.

At this time, the upper exhaust pipe (43) is installed to be upwardly inclined toward the communication pipe (13), so that the exhaust gas is quickly exhausted without being stagnated in the upper exhaust pipe (43).

In the coloring step, which is one of the operations of the present invention, only a small amount of waste gas including soot is discharged to the waste gas combustor 30 side, the pressure inside the combustion chamber 11 of the burning furnace 10 is lowered, .

10: firing furnace 11: combustion chamber 12: doorway
13: exhaust passage 14: burner 15: oil supply pipe
16: nozzle 17: valve 18: upper stack
19: lower stack 20: stack 21: shut-off cap
22: exhaust port 23: blocking plate 24: opening
25: opening / closing door 30: waste gas combustor 31:
32: flame hole 33: ventilation groove 34: intermediate plate
35: upper combustion chamber 36: through hole 37: lower cover body
38: opening / closing valve 39: lower inflow pipe 40: combustor mounting base
41: burner 42: connection pipe 43: upper exhaust pipe
44: burner mounting base 100: blackening and molding apparatus 101: tile

Claims (1)

An entrance door 12 for entering and exiting the tile 101 is provided at one side of a sintering furnace 10 provided with a combustion chamber 11 inside and a soot generating oil is introduced into the combustion chamber 11 at the upper part of the sintering furnace 10 An oil supply pipe 15 provided with a valve 17 at a predetermined outside position is provided and a plurality of burners 14 are detachably installed under the firing furnace 10, An upper stack 18 is installed on the upper side of the baking furnace 10 so as to open and close at one side or both sides of the lower stack 19 communicating with the lower portion of the firing furnace 10, 18, a communication unit 13 is installed upwardly and a blocking plate 23, which is openable and closable between upper and lower stacks 18, 19, is installed in a molding machine 100;
The shutoff plate 23 is provided with an exhaust port 22 for detachably blocking an upper portion thereof with a shutoff cap 21;
A waste gas combustor 30 is installed outside the upper stack 18 and the waste gas burner 30 is provided with a combustor installation stand 40 on the outside of the upper stack 18, An upper exhaust pipe 43 is connected between the upper portion of the combustion pipe 31 and the communication pipe 13 and an opening and closing valve 38 is provided below the combustion pipe 31 And an upper portion of a lower inflow pipe (39) provided with a connecting pipe (42) for connecting a lower end of the waste gas to the exhaust port (22) when burning off gas is inserted into the combustion pipe (31);
A cap-shaped lower cover body 37 having a plurality of through holes 36 formed around the front wall of the combustion tube 31 is installed to surround the upper periphery of the lower inlet pipe 39, An intermediate plate 34 provided at an intermediate portion inside the combustion chamber 31 on the upper side of the cover body 37 and having a plurality of ventilation grooves 33 formed on its outer peripheral surface at intervals;
A flame hole 32 is formed in the sidewall of the combustion chamber 31 on the side of the upper combustion chamber 35. A burner 41 for injecting a flame into the flame hole 32 is formed outside the flame hole 32, And a gap between the black combustion chamber and the black combustion chamber.

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