KR20000065909A - Burning parallel flow type heat disjointing an incinerator - Google Patents

Abstract

PURPOSE: A pyrolysis incinerator is provided to incinerate waste inputted continuously by convenient work employing physical phenomenon. CONSTITUTION: Living waste of high humidity is inputted by fixed quantity via a fixed quantity input unit(20). The waste is dried promptly by an air superheater(5) installed in a thermal reaction chamber(1) of around 300°C of temperature and collecting the waste heat of exhaust gas and via effective radiation, evaporation and convection in a dry basket(10). The dried waste rolls down to a combustion basket(30) naturally along a bottom plate(16) in the upper of a water-cooled beam(15) of slope of repose. Combustion gas is burned due to concentrative diffusion of excessive air erupting via an excess air eruption pipe(43) of a preheating air tank(42). An eddy current is created by the collision of the combustion gas against a gas baffle(53). Herein, the stay of the pyrolysis is lengthened. Thereby, complete pyrolysis is performed.

Description

Burning parallel flow type heat disjointing an incinerator}

According to the present invention, the urban waste and the similar waste having high moisture content are pyrolyzed and incinerated, and the process of complete ignition treatment is removed from the mechanical operation mode, thereby rapidly drying the urban waste by natural physical phenomena to achieve an efficient combustion process. The present invention relates to a combined combustion co-current pyrolysis incinerator.

Conventional incinerators are commonly used to apply a stoker for incineration, and in the process of mechanically operating the processes of agitating, conducting, and transporting waste, the parts and parts are subjected to thermal expansion due to the local temperature change of the combustion flame layer. Due to mechanical overload and abrasion, failures occur frequently, as well as the problems of immature residue reduction due to the difficulty of high-temperature incineration and the difficulty of reducing harmful gaseous substances generated from low-temperature combustion and technical operation. There was a difficulty.

The present invention aims to safely incinerate waste in an easy operation method, so that the waste drying basket and the combustion basket can be restrained appropriately for the combustion process, and the burned bed and the pyrolysis combustion table that are laid down to have a stable slope. The characteristic feature is that the combustible urban waste that is continuously injected by combining the collection chamber and the combustion chamber is naturally combined and burned, and the combustion phase from the bottom of the thermal reaction chamber to the combustion chamber is slope of Repose and assembled into a refractory ceiling arch. Combustion is combined combustion of the drying basket formed in the air of the heat reaction chamber is blocked ventilation, the quantitative input means for quantitating the waste into the drying basket, and the waste passed through the drying basket in the lower portion of the drying basket The basket and the currentized gas material formed on the combustion bed and generated in the combustion basket A pyrolysis combustion zone to decompose and incinerate, and a high pyrolysis combustion zone to thermally decompose the dry gas passed through the pyrolysis combustion zone, and to induce turning the collection chamber to a low point to thermally reduce residual toxic substances; Induction process for gathering the softwood and ash collected in the material collection chamber to the outside and the waste heat recovery boiler which is installed on the high pyrolysis combustion table to absorb the high heat gas, and collected with the waste heat recovery boiler It is composed of downward ventilation and parallel flow combustion, and it is the structure of urban waste pyrolysis incinerator.

1 is a partially cutaway perspective view of an embodiment according to the present invention;

Figure 2 is a longitudinal cross-sectional view showing a waste incineration state according to the present invention

Figure 3 is a partial perspective view showing the present invention waste quantitative means

Figure 4 is a cross-sectional view of the operating state showing the operating state of the waste quantity input means of the present invention

5 is a partial perspective view showing the present invention combustion means

6 is a plan view showing the combustion means of the present invention

Figure 7 is a partial longitudinal sectional view showing the present invention means

8 is a partial longitudinal sectional view showing another embodiment of the waste heat recovery boiler of the present invention;

[Explanation of symbols on the main parts of the drawings]

DESCRIPTION OF SYMBOLS 1 Thermal reaction chamber 2 Soft collection chamber 3 Combustion phase

5: air superheater 10: drying basket 13, 45: water-cooled beam header

14,35: water-cooled pipe header 15,44: water-cooled beam 20: fixed-quantity means

25: propulsion roller 30: combustion basket 31: grate beam

33: combustion means 33-1: grate support 33-3: grate

40: pyrolysis combustion zone 48: condensate water supply tank 50: high pyrolysis combustion zone

60: recovery means 70: waste heat recovery boiler

Referring to the configuration of the present invention in detail based on the accompanying drawings as follows.

1 to 2, the schematic configuration according to the present invention is characterized in that the combustion phase (3) from the bottom of the thermal reaction chamber (1) to the flame retardant collection chamber (2) is appropriately sloped to the combustion atmosphere. And a drying basket (10) formed in the air of the thermal reaction chamber (1) which is assembled with a refractory ceiling arch (4), and aeration is blocked, and a quantitative feeding means (20) for quantitatively inputting waste into the drying basket (10). ), A combustion basket (30) installed in the lower portion of the drying basket (10) and combusting the rubbish that has passed through the drying basket (10), and formed on the combustion bed (3) and in the combustion basket (30). Pyrolysis combustion zone 40 for pyrolysing the generated dry gasification material and pyrolysis combustion gas passing through the pyrolysis combustion zone 40 is thermally decomposed and the toxic material collection chamber 2 is turned to the low point to cause residual toxic substances. Is collected in the pyrolysis combustion zone (50) for reducing the amount of heat and the above-mentioned material collection chamber (2). Shipping times series, and the ash to the outside is made of the hoechul means 60, the waste heat recovery boiler to the high installed on one upper pyrolysis combustion absorb high temperature gas.

In the present invention, one side from the bottom of the thermal reaction chamber (1) to the flame retardant collection chamber (2) has a combustion bed (3) is built up to be reliably inclined with a refractory brick, and assembled into a refractory ceiling arch (4) in a plurality of plate shapes to ventilate. The grid (12) and the grid header (12) are installed in the air in the space of the blocked thermal reaction chamber (1), and the air superheater (5) and the vented drying basket (10) are mounted inclined toward the combustion basket (30). The water-cooled beam header 13 and the water-cooled tube header 14 are provided with a plurality of water-cooled beams 15 to be inclined to rest inclined while the pallet 16 is installed on the top thereof.

3 to 4 is a hopper 21 is formed in the upper portion of the drying basket 10, the lower opening 22 of the hopper 21 in the motor 23, as shown in Figures 3 to 4 The propulsion roller 25, which is connected and rotated by the chain 24, is rotatably supported by the support 26, and the opening and closing door 27 is pivotally rotatable about the pivot shaft 28 at the lower end of the hopper 21. On one side of the opening and closing door 27, an opening and closing weight 29 is attached to one end of the opening and closing door 27 to open and close the opening and closing door 27 about the rotational shaft 28 by the pressure of the garbage, and to rotate the motor 23. The dosage can be adjusted freely.

The combustion basket 30 is provided with a grate beam 31 and a grate header 32 resting on the combustion bed 3, and a combustion means 33 is formed between the grate beams 31 and the end grid 34 is formed. While inverted to the water cooling pipe header 35, the primary combustion blower pipe 36 is installed on the side wall 37 of the thermal reaction chamber 1.

The combustion means 33 has a grate support 33-1 is fixed to the U-bolt 33-2 at regular intervals between the grate beams 31 and a plurality of grate 33-3 to the grate support 33-1. The grate 33-3 is installed while the grate space 33-5 is variable according to the width of the grate head 33-4, so that the appropriate combustion rate can be adjusted.

In the pyrolysis combustion zone 40, the ceiling arch wall 41 is formed to be inclined in one side of the upper side, but the excess air ejection pipe 43 of the preheating air cylinder 42 vented with an air preheater is formed inside the ceiling arch wall 41. It is held between the water cooling beams 44 and the water cooling beams 44 are addressed to the water cooling beam header 45 and the water cooling pipe header 35 so that the water cooling pipe walls are formed, while the water supply pipe 46 and the rising pipe 47 of the boiler It is circulated in connection with the condensate water supply tank (48).

A high temperature burner 52 is installed on the vertical wall 51 on one side of the lower portion of the pyrolysis combustion zone 40 and the high temperature gas is connected to the gas baffle wall 53 at the low point of the flame retardant combustion chamber 2. It is cheap and turned up to the air superheater (5) is built up as a fireproof wall, and the waste heat recovery boiler (70) is installed in the upper part of the high pyrolysis combustion zone (50) in order to rationalize energy to absorb high-temperature gas in which toxic substances are thermally reduced. It can be used for other purposes.

The discharge means 60 for discharging the flame retardant ash and ash collected in the flame retardant collection chamber 2 to the outside is provided with a cooling air control pipe 66 in the discharge pipe 61 which is externally connected to the flame retardant collection chamber 2. It is laid and the discharge pipe 61 is connected to the cyclone dust collector 62, and the softwood is collected by the cyclone dust collector 62 by the cyclone dust collector 62 with the induction tank 63 and sprayed with cooling water at the same time, the screw conveyor ( 65 can be collected.

Referring to the operating state of the present invention made of such a configuration as follows.

The municipal waste having a high moisture content continuously and quantitatively injected by the metering means 20 is installed in a heat reaction chamber 1 of about 300 ° C. and consists of an air superheater 5 which recovers waste heat of exhaust gas, and a vented tube. Radiation, evaporation, and convection are effectively effected in the drying basket 10 to naturally dry down the pallet 16 on the sloping water cooling beam 15 to naturally roll down to the combustion basket 30.

At this time, the pallet 16 is able to smoothly handle the foreign matter (hard metal) and particulate matter in the garbage that can not be separated and collected, the drying basket 10 and the combustion means 33 due to the assembly structure of the refractory ceiling arch (4) The grate (33-3) of the part can be repaired interchangeably and the garbage put into the combustion basket (30) is burned on the grate (33-3) above the grate space without being rolled down by the end grid (34) anymore The combustion material falling in (33-5) forms a flame layer in the sloping combustion bed (3), so that the waste of the combustion basket (30) can double the synergistic effect of the combustion process. Combustion-producing gas material (currentized gas) generated on the combustion basket 30 is discharged to the pyrolysis combustion zone 40 through the upper space of the end grid 34.

The combustion product gas material is concentrated and diffused by the excess air ejected through the excess air ejection pipe 43 of the preheating air cylinder 42 and burned by pyrolysis and hit the gas baffle wall 53 to generate vortices to extend the pyrolysis residence time. Perfect pyrolysis is achieved.

At this time, the water-cooled beam 44, the water-cooled pipe header 35, and the water-cooled beam header 45 of the ceiling arch wall 41 are circulated in association with the condensed water supply tank 48 to absorb the load of the combustion chamber due to high heat, thereby improving thermal equilibrium. It can be achieved.

Residual toxic substances (dioxine factors, etc.) remaining after pyrolysis by the pyrolysis combustion zone 40 are thermally reduced in the pyrolysis combustion zone 50 which is always horizontally maintained at a high temperature of 1100 ° C. or higher by the temperature increase burner 52, and finally waste heat Absorbed in the recovery boiler (6).

When the waste heat recovery boiler 70 has a large incineration amount, a water pipe type boiler is installed, and when the small amount of the waste heat recovery boiler is small, the associated type boiler is installed. As shown in FIG. 72 is brought into contact so that the thermal conductivity can be increased.

In addition, the softwood and ash fallen into the combustion phase (3) is naturally rolled down on the sloping slope to reduce the ignition and is collected in the softwood collection room (2), and the collected softwood and pollen are retracted to the outside by the discharging means (60). It becomes possible.

The present invention is to remove the process from the mechanical transmission method to the process of complete incineration by burning, continuously ignition, ignition, melting, falling, high-temperature decomposition of the waste put into the combustion phase and combustion basket and pyrolysis from the sloping drying basket Due to the complex structure of the combined combustion zone, the combustion zone can be safely incinerated in a simpler operation mode by the natural physical phenomenon.

Claims (6)

Combustion phase (3) from the bottom of the thermal reaction chamber (1) to the flame retardant collection chamber (2) is assembled into a refractory ceiling arch (4) to be installed in the air of the thermal reaction chamber (1) where the ventilation is blocked, Drying basket 10 and put into the combustion basket 30 by drying the attribute, Is formed on top of the drying basket (10) and the metering means 20 for quantitative continuous input of waste into the drying basket (30), The grate beam 31 and the grate header 32 are provided to rest inclined at the lower portion of the drying basket 10, but the end grating 34 is inclined inversely and is connected to the water cooling tube header 35 while the grate beam 31 is provided. Combustion basket 30 is formed between the combustion means 33, An inclined ceiling arch wall 41 is formed on the combustion bed 3, and an excess air ejection pipe 43 of the preheating air cylinder 42 is provided between the water cooling beams 44 inside the ceiling arch wall 41. The water-cooled beam 44 is addressed to the water-cooled beam header 45 and the water-cooled pipe header 35, while the water-cooled beam 44 is connected to the condensed water supply tank 48 by the water supply pipe 46 and the rising pipe 47, so that the combustion basket 30 is provided. Pyrolysis combustion zone (40) for pyrolysing and burning dry gas generated from The heating burner 52 is mounted on the vertical wall 51 on the lower side of the pyrolysis combustion zone 40, and wraps the gas baffle wall 53 at the bottom of the collection chamber 2 to the refractory brick to the air superheater 5. A high pyrolysis combustion zone 50 that is thermally reduced to reduce residual toxic substances; A dispensing means (60) for retrieving the series and ash collected in the series (2); The combined combustion co-current pyrolysis incinerator, characterized in that consisting of a waste heat recovery boiler (70) installed on the high pyrolysis combustion zone (50) to absorb the heat-reduced high heat gas. The method of claim 1, wherein the drying basket 10 is a water cooling beam header so that the lattice 11 and the lattice header 12 is installed in a basket shape so that the hot air of the air superheater (5) is vented, but rests toward the combustion basket (30). A plurality of water cooling beams 15 are installed in the 13 and the water cooling pipe header 14, and the pallet 16 is installed on the top of the water cooling beams 15, thereby increasing the radiation and evaporation effect by the hot air. The combined combustion co-current pyrolysis incinerator, which is dried and naturally introduced into the combustion basket (30). The method of claim 1, wherein the metering means 20 is rubbed by the propulsion roller 25 is rotated by the power of the motor 23, the waste put into the hopper 21 is pushed to the opening and closing door 27 and the opening and closing weight 29 is The opening and closing of the opening and closing door 27 to the center of the rotating shaft 28 by the pressure to enable the opening and closing of the opening and closing door 27 of the motor 23, the input amount is freely adjusted according to the rotational shift of the motor 23 Combined combustion co-current pyrolysis incinerator, characterized in that. The method according to claim 1, Combustion means 33 is the grate support 33-1 is fixed to the U-bolt 33-2 at regular intervals between the grate beams 31 and a plurality of grate to the grate support (33-1) (33-3) is installed while the grate (33-3) is combined combustion, characterized in that the grate space (33-5) is variable according to the width of the grate head (33-4) can be adjusted to the appropriate combustion rate Cocurrent pyrolysis incinerator. The method according to claim 1, wherein the extraction means 60 is the heat of the powdered material with the heat is diluted by the cooling air control tube 66, the heat is diluted to the induction fan (63) and the cyclone dust collector (62) by the storage tank The combined combustion co-current pyrolysis incinerator, which is characterized in that it is collected by 64 and sprayed with cooling water and collected by a screw conveyor (65). The method of claim 1, the waste heat recovery boiler 70 is equipped with a water-pipe boiler when the incineration amount is large, and when the small capacity associated boiler 71 is installed and the associated boiler 71 is the lower part of the body and gas feet ( A combined combustion cocurrent pyrolysis incinerator, characterized in that D2) is brought into contact with each other to increase thermal conductivity.