CN112728543A

CN112728543A - Ultra-low energy consumption smoke-burning type garbage incineration method

Info

Publication number: CN112728543A
Application number: CN201911064709.7A
Authority: CN
Inventors: 姚舜; 姚志勇; 姚志强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2021-04-30

Abstract

A method for burning smoke type garbage with ultra-low energy consumption. This technique belongs to the gas purification field. At present, the more advanced method of secondary combustion is to put clean fuel into a secondary combustion chamber and remove smoke dust by means of high temperature generated by combustion of the clean fuel, but the effect of removing the smoke dust by the method cannot meet the requirement of environmental protection. The invention is a revolutionary breakthrough in the prior art, which is to vaporize clean fuel and mix the clean fuel with smoke dust, namely, the vaporized clean fuel is used to fully wrap particles such as PM2.5 in the smoke dust to form combustible particle combustible smoke dust, and then the combustible particle combustible smoke dust is burnt. The smoke dust from the primary combustion chamber enters the gas mixing chamber through the smoke pipe, the vaporized clean fuel also enters the gas mixing chamber, the smoke dust and the vaporized clean fuel in the gas mixing chamber are fully mixed into combustible smoke dust under the action of gas rotational flow, and the combustible smoke dust is ignited to achieve the purpose of thoroughly purifying the smoke dust. The invention not only can thoroughly purify the smoke dust, but also has simple structure and no maintenance, and particularly, the smoke dust is also used as a fuel to greatly improve the efficiency of the furnace.

Description

Ultra-low energy consumption smoke-burning type garbage incineration method

Field of the invention

The technology belongs to the field of gas purification, and particularly relates to a method for burning smoke type waste incineration with ultralow energy consumption.

Background

At present, methods such as high-voltage electrostatic adsorption, water mist spraying, secondary combustion and the like are generally adopted for gas purification, particularly smoke purification, although the high-voltage electrostatic adsorption has a good purification effect, a filter element needs to be cleaned and replaced continuously, the water mist purification effect is not ideal enough, the advanced secondary combustion method is to put clean fuel into a secondary combustion chamber and eliminate smoke by means of high temperature generated by clean fuel combustion, but the smoke elimination effect is not ideal enough, and the smoke purification cannot meet the environmental protection requirement.

Disclosure of Invention

The invention is a revolutionary breakthrough of the prior art, which is to vaporize clean fuel and mix with smoke dust, namely, particles in the smoke dust, such as PM2.5, are fully wrapped by the vaporized clean fuel to form combustible particle combustible smoke dust, then the combustible particle combustible smoke dust is ignited to burn off the smoke dust particles, and finally clean gas is discharged, thus meeting the requirement of environmental protection.

The technical scheme adopted for realizing the invention is that a clean fuel vaporization supply device and a gas mixing chamber are arranged at the position of a smoke pipe; the clean fuel vaporization supply device has the function of conveying vaporized clean fuel from the smoke pipe to the gas mixing chamber, the clean fuel enters from a clean fuel inlet at the smoke pipe, the gas mixing chamber is arranged above the clean fuel inlet, and a combustion disc is arranged above the gas mixing chamber; the gas mixing cavity is connected in series with the passage of the smoke tube and is constructed into a cavity with a section of cross section obviously larger than that of the smoke tube, and two ends of the cavity are respectively in gas communication with the smoke tube; the smoke dust from the initial combustion chamber enters the gas mixing chamber through the smoke tube upwards, the vaporized clean fuel at the smoke tube also enters the gas mixing chamber upwards, the cross section of the gas mixing chamber is obviously larger than that of the smoke tube, therefore, when the gas flows through the smoke tube and enters the gas mixing chamber, the pressure is changed sharply, gas rotational flow is generated, the smoke dust and the vaporized clean fuel in the gas mixing chamber are fully mixed into combustible smoke dust under the action of the gas rotational flow, in the combustible smoke dust, the clean fuel fully wraps the smoke dust particles to form combustible smoke dust, the combustible smoke dust moves upwards from the bottom of the combustion disc through the combustion holes, the ignition device above the combustion disc ignites the combustible smoke dust, the smoke dust particles are fully combusted and become clean gas to be discharged from the smoke tube above, and the heat collecting device collects flame heat to be fully utilized.

The invention has the advantages that the invention vaporizes the clean fuel and mixes the vaporized clean fuel with the smoke dust, namely, the vaporized clean fuel fully wraps the particles such as PM2.5 in the smoke dust to form combustible particle combustible smoke dust which is then burnt, thereby not only thoroughly purifying the smoke dust, but also having simple structure and no maintenance, particularly, the smoke dust is also used as a fuel for combustion and utilization, and the efficiency of the furnace is greatly improved.

Drawings

FIG. 1 is a schematic view of the purification of liquid clean fuel entering a flue pipe by high temperature vaporization.

FIG. 2 is a schematic view showing a purification mode in which liquid fuel is changed into vaporized fuel by a high-temperature heating device and introduced into a flue pipe.

FIG. 3 is a schematic view showing a purification mode in which liquid fuel is converted into vaporized fuel by an ultrasonic atomizing device and introduced into a flue pipe.

FIG. 4 is a schematic view showing a purification method of directly feeding a naturally vaporized clean fuel into a smoke tube.

Fig. 5 is a perspective view of the configuration of the air mixing chamber.

FIG. 6 is a schematic illustration of a burner tray and burner port configuration.

Fig. 7 is a perspective view of a liquid receiving tray.

In the figure, 1, an initial combustion chamber, 2, a repeated combustion device, 3, a slag chamber, 4, a fuel chamber, 5, a furnace bar, 6, a fan, 7, an open fire baffle, 8, a fuel delivery device, 9, a smoke pipe, 10, a smoke combustion device, 11, an ignition device, 12, slag, 13, fuel, 14, a clean liquid fuel bottle, 15, a clean fuel vaporization supply device, 16, a clean fuel inlet, 17, a gas mixing chamber, 18, a combustion disc, 19, a combustion-supporting net, 20, a delivery pipe, 21, a heat collection device, 22, smoke, 23, vaporized clean fuel, 24, smoke combustible, 25, a combustion hole, 26, a fuel vaporization disc, 27, clean gas, 28, a liquid receiving disc, 29, a liquid container, 30, clean liquid fuel, 31, a heating device, 32, a repeated combustion chamber, 33, an ultrasonic generator and 34, a vaporized fuel source.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

in fig. 1, the clean fuel vaporizing and supplying device 15 is that the external clean liquid fuel bottle 14 contains clean liquid fuel 30, the clean liquid fuel 30 enters the smoke tube 9 from the clean fuel inlet 16 through the delivery pipe 20, the clean liquid fuel 30 drops into the fuel vaporizing disc 26 arranged below the clean liquid fuel 30, the clean liquid fuel 30 is vaporized into vaporized clean fuel 23 by the fuel vaporizing disc 26 under the action of high temperature, the vaporized clean fuel 23 moves upwards and enters the air mixing chamber 17, and the vaporized clean fuel 23 and the smoke 22 are fully mixed into combustible smoke 24 in the air mixing chamber 17 and are ignited. The clean liquid fuel 30 is mainly alcohol-based fuel, such as fuel mainly prepared from methanol, ethanol, and butanol.

In FIG. 2, the clean fuel vaporizing and supplying device 15 is provided with a clean liquid fuel 30 in a liquid container 29, a heating device 31 is arranged in or outside the liquid container 29, the heating device 31 heats and vaporizes the clean liquid fuel 30 in the liquid container into a vaporized clean fuel 23, the vaporized clean fuel 23 enters the smoke tube 9 from a clean fuel inlet 16 through a delivery pipe 20, the vaporized clean fuel 23 moves upwards to enter the air mixing chamber 17, the vaporized clean fuel 23 and smoke 22 are fully mixed in the air mixing chamber 17 into combustible smoke 24, the combustible smoke 24 moves upwards to be ignited, and a liquid receiving tray 28 is arranged below the clean fuel inlet 16 so as to receive the liquid after the vaporized fuel is condensed. The clean liquid fuel 30 is mainly alcohol-based fuel, such as fuel mainly prepared from methanol, ethanol, and butanol.

In fig. 3, the clean fuel vaporizing and supplying device 15 is that a clean liquid fuel 30 is filled in a liquid container 29, an ultrasonic generator 33 is arranged in the liquid container 29, the ultrasonic generator 33 is immersed in the liquid fuel 30, when the ultrasonic generator 33 works, the liquid fuel 30 is vaporized into a vaporized clean fuel 23, the vaporized clean fuel 23 enters the smoke tube 9 from a clean fuel inlet 16 through a delivery pipe 20, the vaporized clean fuel 23 moves upwards and enters an air mixing chamber 17, the vaporized clean fuel 23 and smoke 22 are fully mixed into combustible smoke 24 in the air mixing chamber 17 and move upwards and are ignited, and a liquid receiving disc 28 is arranged below the clean fuel inlet 16 so as to receive the liquid after the vaporized fuel is condensed. The clean liquid fuel 30 is mainly alcohol-based fuel, such as fuel mainly prepared from methanol, ethanol, and butanol.

In fig. 4, the clean fuel vaporization and supply device 15 is that a delivery pipe 20 enters the smoke pipe 9 from the clean fuel inlet 16, the outer port of the delivery pipe 20 is connected with the vaporization fuel source 34, the vaporization fuel source 34 enters the smoke pipe 9 from the delivery pipe 20 and releases the vaporized clean fuel 23 from the inner port of the delivery pipe 20, the vaporized clean fuel 23 travels upward to enter the air mixing chamber 17, the vaporized clean fuel 23 and the smoke 22 are fully mixed in the air mixing chamber 17 to form combustible smoke 24, and the combustible smoke 24 travels upward and is ignited. The vaporized fuel source 34 is primarily a vaporized fuel source such as coal gas, natural gas, liquefied gas, and the like.

In fig. 5, the vaporized clean fuel 23 and the soot 22 are fully mixed in the air-mixing chamber 17 to form combustible soot 24 which moves upwards.

In fig. 6, the combustion plate 18 is provided with uniformly distributed combustion holes 25, and combustible smoke enters from the lower ends of the combustion holes 25 and is ignited at the upper end holes.

In fig. 7, the liquid receiving pan 28 is used to receive fuel that has condensed into liquid due to low temperature.

Claims

1. A method for burning smoke type garbage with ultralow energy consumption comprises a primary combustion chamber (1) and a repeated combustion device (2), wherein the primary combustion chamber (1) comprises a slag chamber (3), a fuel chamber (4), a fire bar (5), a fan (6) and an open fire baffle (7), and the repeated combustion device (2) comprises a fuel conveying device (8), a smoke pipe (9), a smoke dust combustion device (10) and an ignition device (11); the lowest part of the primary combustion chamber (1) is used for storing slag (12), the upper part of the primary combustion chamber (1) is used for storing fuel (13), a grate bar (5) which is approximately horizontally arranged is arranged at the position, close to the middle part, of the primary combustion chamber (1), the fuel (13) is placed on the grate bar (5), a fan (6) is further arranged on the primary combustion chamber (1), and an open flame baffle (7) is horizontally arranged at the position, close to a smoke pipe (9), of the primary combustion chamber (1); the smoke dust combustion device (10) is characterized in that a combustion-supporting net (19) is arranged above a combustion disc (18), an ignition device (11) is arranged above the combustion disc (18), a heat collection device (21) is arranged above the combustion-supporting net (19), and a smoke pipe (9) is arranged above the heat collection device (21); it is characterized in that a clean fuel vaporization supply device (15) and a gas mixing chamber (17) are arranged at the position of the smoke pipe (9); the clean fuel vaporization supply device (15) has the function of conveying vaporized clean fuel from the smoke pipe (9) to the gas mixing chamber (17), the clean fuel enters from a clean fuel inlet (16) at the smoke pipe (9), the gas mixing chamber (17) is arranged above the clean fuel inlet (16), and a combustion disc (18) is arranged above the gas mixing chamber (17); the gas mixing chamber (17) is connected in series with the passage of the smoke tube (9) and is constructed into a chamber with a section of cross section which is obviously larger than that of the smoke tube (9), and two ends of the chamber are respectively in gas communication with the smoke tube (9); the smoke dust (22) from the initial combustion chamber (1) upwards enters the gas mixing chamber (17) through the smoke pipe (9), the vaporized clean fuel (23) at the part of the smoke pipe (9) also upwards enters the gas mixing chamber (17), because the cross section of the gas mixing chamber (17) is obviously larger than that of the smoke pipe (9), the pressure intensity is changed sharply when the gas flows through the smoke pipe (9) and enters the gas mixing chamber (17), so that gas rotational flow is generated, the smoke dust (22) and the vaporized clean fuel (23) in the gas mixing chamber (17) are fully mixed into smoke dust combustible smoke dust (24) under the action of the gas rotational flow, in the combustible smoke dust (24), the clean fuel (23) fully wraps the smoke dust particles to form combustible smoke dust (24), the combustible smoke dust (24) upwards moves from the bottom of the combustion disc (18) through the combustion holes (25), and an ignition device (11) is arranged above the combustion disc (18) to ignite the combustible smoke dust (24), the smoke particles are fully burnt and cleaned to become clean gas (27) which is discharged from the upper smoke pipe (9), and the heat collecting device (21) collects the flame heat for full utilization.

2. The method of claim 1, wherein the clean fuel vaporizing and supplying device (15) is an externally hung clean liquid fuel bottle (14) with clean liquid fuel (30), the clean liquid fuel (30) enters the smoke tube (9) from the clean fuel inlet (16) through the delivery pipe (20), the clean liquid fuel (30) drops into a fuel vaporizing disc (26) arranged below the clean liquid fuel, the fuel vaporizing disc (26) vaporizes the clean liquid fuel (30) into vaporized clean fuel (23) under the action of high temperature, the vaporized clean fuel (23) moves upwards and enters the air mixing chamber (17), and the vaporized clean fuel (23) and the smoke (22) are fully mixed into combustible smoke (24) in the air mixing chamber (17) and then move upwards and are ignited.

3. The ultra-low energy consumption smoke-fired waste incineration method according to claim 1, wherein the clean fuel vaporization supply device (15) is, clean liquid fuel (30) is filled in a liquid container (29), a heating device (31) is arranged in or outside the liquid container (29), the heating device (31) heats and vaporizes the clean liquid fuel (30) in the liquid container into vaporized clean fuel (23), the vaporized clean fuel (23) enters a smoke tube (9) from a clean fuel inlet (16) through a delivery pipe (20), the vaporized clean fuel (23) upwards runs into an air mixing chamber (17), the vaporized clean fuel (23) and smoke dust (22) are fully mixed in the air mixing chamber (17) to form combustible smoke dust (24) which upwards runs and is ignited, a liquid receiving tray (28) is provided below the clean fuel inlet (16) to receive the liquid after the vaporized fuel is condensed.

4. The method of ultra-low energy consumption smoke-fired waste incineration according to claim 1, wherein the clean fuel vaporization supply device (15) is that a clean liquid fuel (30) is filled in a liquid container (29), an ultrasonic generator (33) is arranged in the liquid container (29), the ultrasonic generator (33) is immersed in the liquid fuel (30), when the ultrasonic generator (33) works, the liquid fuel (30) is vaporized into a vaporized clean fuel (23), the vaporized clean fuel (23) enters the smoke tube (9) from a clean fuel inlet (16) through a delivery pipe (20), the vaporized clean fuel (23) runs upwards into the air mixing chamber (17), the vaporized clean fuel (23) and the smoke dust (22) are fully mixed in the air mixing chamber (17) to form combustible smoke dust (24), the combustible smoke dust (24) runs upwards and is ignited, a liquid receiving disc (28) is arranged below the clean fuel inlet (16), so as to receive the condensed liquid of the vaporized fuel.

5. The method of claim 1, wherein the clean fuel vaporizing and supplying device (15) comprises a delivery pipe (20) entering the flue pipe (9) from the clean fuel inlet (16), an outer port of the delivery pipe (20) being connected to a vaporizing fuel source (34), the vaporizing fuel source (34) entering the flue pipe (9) from the delivery pipe (20) and releasing the vaporized clean fuel (23) from an inner port of the delivery pipe (20), the vaporized clean fuel (23) moving upward and entering the air mixing chamber (17), the vaporized clean fuel (23) and the smoke (22) being fully mixed in the air mixing chamber (17) to form combustible smoke (24) moving upward and being ignited.

6. The ultra-low energy smoke-fired waste incineration method according to claim 1, characterized in that the smoke-fired combustion device (10) is arranged such that the combustion plate (18) is arranged in a closed re-combustion chamber (32), and the combustion net (19) and the heat collecting device (21) are also arranged in the closed re-combustion chamber (32).

7. Method for ultra low energy smoke-fired waste incineration according to claim 1, characterized in that the smoke-fired combustion device (10) is arranged with the combustion tray (18), the combustion net (19) and the heat collection device (21) in an open arrangement, i.e. without the repetitive combustion chamber (32).