CN118129156A - Heat accumulating type household garbage pyrolysis gasifier - Google Patents

Abstract

The invention provides a heat accumulating type household garbage pyrolysis gasifier. This heat accumulation formula domestic waste pyrolysis gasifier, including, downside fixed stay's upper end fixedly connected with outside protective housing, outside protective housing's internal surface fixedly connected with inside fixed housing, inside fixed housing's internal surface fixedly connected with inside burning casing, inside fixed housing's inside is provided with outside coating, inside burning housing's internal surface fixedly connected with inside separation baffle, inside separation baffle's lower surface is provided with the downside and takes in the mouth, inside burning housing's internal surface fixedly connected with burning furnace. This heat accumulation formula domestic waste pyrolysis gasifier through downside fixed stay pole and outside protective housing and inside multiple shell structure, has formed an efficient heat energy circulation system, can effectively keep high temperature to improve the efficiency of rubbish pyrolysis gasification.

Description

A heat storage type domestic garbage pyrolysis gasification furnace

Technical Field

The invention relates to the technical field of pyrolysis gasification furnaces, in particular to a heat storage type domestic waste pyrolysis gasification furnace.

Background technique

The thermal storage type domestic waste pyrolysis gasification furnace is an advanced equipment for treating domestic waste. It uses thermal storage technology and pyrolysis gasification technology to convert solid waste into usable energy, such as synthesis gas. Its working principle mainly includes two stages: first, domestic waste is heated and pyrolyzed under oxygen-deficient conditions, releasing combustible gases and a small amount of residual solids (such as coke); then, these combustible gases are completely burned in another chamber, and heat energy is recovered through the heat exchange system for heating new waste or other purposes. This technology can not only effectively reduce the volume of garbage and reduce dependence on landfills, but also recover energy and reduce the environmental impact of garbage treatment.

Although the thermal storage type domestic waste pyrolysis gasification furnace has many advantages, it also has some defects that cannot be ignored. Some harmful gases and residues, such as dioxins and heavy metals, may be produced during the pyrolysis and gasification process, which requires additional purification treatment to control, increasing operating costs, and requires pyrolysis in two chambers, which is more troublesome. Therefore, although the thermal storage type domestic waste pyrolysis gasification furnace has obvious advantages in waste treatment and energy recovery, its economic performance and environmental safety still need to be further optimized and improved.

Summary of the invention

1. Technical issues to be solved

In view of the deficiencies in the prior art, the present invention provides a heat storage type domestic waste pyrolysis gasification furnace, which solves the problem of producing some harmful gases and residues, such as dioxins and heavy metals, which need to be controlled through additional purification treatment, increasing operating costs, and requiring pyrolysis to be carried out in two chambers, which is more troublesome.

(II) Technical solution

To achieve the above objectives, the present invention is implemented through the following technical solutions: A heat storage type domestic waste pyrolysis gasification furnace, comprising:

A lower fixed support rod, the upper end of which is fixedly connected to an outer protective shell, the inner surface of which is fixedly connected to an inner fixed shell, the inner surface of which is fixedly connected to an inner combustion shell, the interior of which is provided with an outer coating, the inner surface of which is fixedly connected to an inner separation baffle, and the lower surface of which is provided with a lower air inlet;

A combustion furnace is fixedly connected to the inner surface of the internal combustion shell, a flame nozzle is fixedly connected to the inner surface of the combustion furnace, a lower sintering disk is fixedly connected to the bottom inner wall of the internal combustion shell, a lower combustion disk is fixedly connected to the upper surface of the lower sintering disk, and an air outlet pipe is fixedly connected to the upper end of the second air inlet pipe.

Preferably, the upper end of the internal combustion shell is conical, and the lower surface of the internal fixed shell is fixedly connected with an upper feeding device.

Preferably, a lower reinforcing support rod is fixedly connected to the side surface of the lower fixed support rod, and an intermediate cavity is formed between the internal fixed shell and the internal combustion shell.

Preferably, the outer coating extends to the interior of the inner combustion shell, and the interior of the inner separation baffle forms a triangular cavity of the exhaust duct.

Preferably, the lower side of the outer coating is communicated with the lower air inlet, and the side surface of the internal fixed shell is fixedly connected with a first air inlet duct, and the first air inlet duct extends to the interior of the middle cavity.

Preferably, the flame nozzle extends to the interior of the lower combustion disk, the second air intake pipe passes through the combustion furnace and extends to the outside of the internal fixed shell, and the number of the second air intake pipes is two and they are distributed on the left and right.

Preferably, the upper surface of the lower sintering disk is provided with sintering disk through holes, and the side surface of the lower combustion disk is provided with air holes, and the air holes are distributed in a ring array.

Preferably, a feeding device is fixedly connected to the lower surface of the internal fixed shell, and a cavity is formed inside the internal fixed shell.

(III) Beneficial effects

The present invention provides a heat storage type domestic waste pyrolysis gasification furnace. It has the following beneficial effects:

The heat storage type domestic waste pyrolysis and gasification furnace forms an efficient heat energy circulation system through the lower fixed support rod, the outer protective shell and the internal multiple shell structure, which can effectively maintain high temperature, thereby improving the efficiency of waste pyrolysis and gasification. The design of the intermediate cavity between the internal fixed shell and the internal combustion shell and the outer coating not only enhances the stability of the overall structure, but also further improves the utilization rate of thermal energy. Through the coordination of the internal separation baffle and the lower air inlet, as well as the special design of the flame nozzle and the sintering disk, the furnace body can achieve more uniform heat distribution and gas flow, effectively improving the efficiency and safety of the pyrolysis and gasification process. The unique upper feeding device and unloading device design make the addition of materials and the removal of residues more convenient, thereby reducing the difficulty of operation and improving the automation level of the system. Overall, this technical solution has shown great potential in improving waste treatment efficiency, saving energy consumption and reducing environmental pollution.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the structure of the present invention;

FIG2 is an enlarged schematic diagram of the structure at point A in FIG1 ;

FIG3 is an enlarged schematic diagram of the structure at B in FIG1 ;

FIG4 is a partial structural schematic diagram of the present invention;

FIG5 is a schematic diagram of the overall structure of the present invention.

Among them, 1. lower fixed support rod; 2. lower reinforced support rod; 3. outer protective shell; 4. internal fixed shell; 5. first air inlet pipe; 6. internal combustion shell; 7. upper feeding device; 8. middle cavity; 9. internal separation baffle; 10. exhaust pipe; 11. outer coating; 12. lower air inlet; 13. feeding device; 14. second air inlet pipe; 15. combustion furnace; 16. flamethrower; 17. lower combustion disk; 18. air vent; 19. lower sintering disk; 20. sintering disk through hole; 21. air outlet pipe; 22. cavity.

Detailed ways

The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

As shown in Fig. 1-5, an embodiment of the present invention provides a heat storage type domestic waste pyrolysis gasification furnace, comprising: a lower fixed support rod 1, the side surface of the lower fixed support rod 1 is fixedly connected with a lower reinforcing support rod 2, an intermediate cavity 8 is formed between the internal fixed shell 4 and the internal combustion shell 6, the upper end of the lower fixed support rod 1 is fixedly connected with an outer protective shell 3, the inner surface of the outer protective shell 3 is fixedly connected with an inner fixed shell 4, the inner surface of the inner fixed shell 4 is fixedly connected with an inner combustion shell 6, the upper end of the internal combustion shell 6 is conical, and the lower end of the internal fixed shell 4 is fixedly connected with an outer protective shell 3. An upper feeding device 7 is fixedly connected to the surface, an outer coating 11 is provided inside the internal fixed shell 4, and the outer coating 11 extends to the inside of the internal combustion shell 6. A triangular cavity of an exhaust pipe 10 is formed inside the internal separation baffle 9, and the lower side of the outer coating 11 is connected to the lower air inlet 12. A first air intake pipe 5 is fixedly connected to the side surface of the internal fixed shell 4, and the first air intake pipe 5 extends to the inside of the middle cavity 8. An internal separation baffle 9 is fixedly connected to the inner surface of the internal combustion shell 6, and a lower air inlet 12 is provided on the lower surface of the internal separation baffle 9.

A combustion furnace 15 is fixedly connected to the inner surface of the internal combustion shell 6, and a flame nozzle 16 is fixedly connected to the inner surface of the combustion furnace 15. The flame nozzle 16 extends to the interior of the lower combustion disk 17. The second air intake pipe 14 passes through the combustion furnace 15 and extends to the outside of the internal fixed shell 4. A feeding device 13 is fixedly connected to the lower surface of the internal fixed shell 4. A cavity 22 is formed inside the internal fixed shell 4. There are two second air intake pipes 14 distributed on the left and right. A lower sintering disk 19 is fixedly connected to the bottom inner wall of the internal combustion shell 6. A sintering disk through hole 20 is provided on the upper surface of the lower sintering disk 19. Air holes 18 are provided on the side surface of the lower combustion disk 17. The air holes 18 are distributed in a ring array. The upper surface of the lower sintering disk 19 is fixedly connected to the lower combustion disk 17. An air outlet pipe 21 is fixedly connected to the upper end of the second air intake pipe 14.

Lower air inlet 12: This is the main entrance for gas to enter the system. Air inlets are designed at the bottom of the furnace body, through which necessary air or other gases can be introduced into the furnace. These gases not only provide the necessary oxygen for the pyrolysis and gasification process, thereby helping to adjust the combustion conditions in the furnace, but also can control the temperature and pressure in the furnace by adjusting the air intake, thereby optimizing the pyrolysis process. First air inlet duct 5: The first air inlet duct is connected to the side surface of the internal fixed shell 4 and extends to the inside of the middle cavity 8. This design allows the gas to be evenly distributed from the side to the middle cavity of the furnace body, which is crucial to maintaining a balanced distribution of temperature in the furnace and improving thermal efficiency. The flame nozzle 16 is not only used for ignition to start the pyrolysis gasification process, but also in the whole pyrolysis process, the air or other combustion-supporting gases required for combustion can be injected through the flame nozzle to maintain the high temperature state in the furnace. The design and position of the flame nozzle ensure that the gas can be effectively distributed inside the lower combustion disk 17, providing a stable high-temperature environment for the pyrolysis reaction. The second air inlet pipe 14 is designed to discharge the gases generated during the treatment process. They pass through the combustion furnace 15, extend from the outside of the internal fixed shell 4, and guide the pyrolysis gas out of the furnace body through the outlet pipe 21 at its upper end, and send it to the subsequent treatment system.

Working principle: First, the operator evenly feeds the classified domestic waste into the furnace body through the upper feeding device 7. This design facilitates continuous or timed addition of waste into the furnace, thereby improving processing efficiency. After ignition, the flame nozzle 16 generates high temperature in the combustion furnace 15, causing the temperature in the furnace to rise rapidly to reach the temperature required for pyrolysis and gasification. During the pyrolysis process, the solid waste is converted into combustible gas and a small amount of residual solid. In this process, the gas flow dynamics designed inside the furnace body ensure uniform distribution and effective combustion of the gas, thereby maximizing energy recovery and utilization. The gas generated during the pyrolysis and gasification process is introduced into the middle cavity through the lower air inlet 12 and the internal separation baffle 9. 8. Through the design of the outer coating 11, these hot gases form an efficient heat flow cycle inside the furnace body, further improving energy utilization. Subsequently, these gases are discharged through the outlet pipe 21 of the second air inlet pipe 14, and can be connected to the subsequent purification system to ensure that the emissions meet environmental protection requirements. During the entire pyrolysis and gasification process, the design of the lower sintering disk 19 and the lower combustion disk 17 not only helps to improve thermal efficiency, but also ensures smooth airflow in the furnace through the through holes and air holes set therein, further improving the efficiency and quality of pyrolysis and gasification. The environmental benefits of this technical solution are reflected in reducing the pollution of domestic waste to the environment, converting waste into energy, and reducing dependence on fossil fuels. The economic benefits are reflected in reducing the cost of waste treatment and disposal. At the same time, by recovering heat energy to provide energy for other industries or daily life, new economic value is created.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. A regenerative household garbage pyrolysis gasifier, comprising:

The combustion device comprises a lower side fixed support rod (1), wherein the upper end of the lower side fixed support rod (1) is fixedly connected with an outer side protection shell (3), the inner surface of the outer side protection shell (3) is fixedly connected with an inner fixed shell (4), the inner surface of the inner fixed shell (4) is fixedly connected with an inner combustion shell (6), an outer side coating (11) is arranged in the inner fixed shell (4), the inner surface of the inner combustion shell (6) is fixedly connected with an inner separation baffle (9), and the lower surface of the inner separation baffle (9) is provided with a lower side air inlet (12);

The inner surface of inside burning casing (6) fixedly connected with fires burning furnace (15), the inner surface fixedly connected with flaming nozzle (16) of fires burning furnace (15), the end inner wall fixedly connected with downside sintering dish (19) of inside burning casing (6), the upper surface fixedly connected with downside burning dish (17) of downside sintering dish (19), the upper end fixedly connected with outlet duct (21) of second admission line (14).

2. The regenerative household garbage pyrolysis gasifier according to claim 1, wherein: the upper end of the internal combustion shell (6) is conical, and the lower surface of the internal fixed shell (4) is fixedly connected with an upper feeding device (7).

3. The regenerative household garbage pyrolysis gasifier according to claim 1, wherein: the side surface of the lower side fixed supporting rod (1) is fixedly connected with a lower side reinforcing supporting rod (2), and an intermediate cavity (8) is formed between the inner fixed shell (4) and the inner combustion shell (6).

4. The regenerative household garbage pyrolysis gasifier according to claim 1, wherein: the outer coating (11) extends to the interior of the inner combustion housing (6), the interior of the inner separation barrier (9) forming a triangular cavity for the bleed duct (10).

5. The regenerative household garbage pyrolysis gasifier according to claim 1, wherein: the lower side of the outer side coating (11) is communicated with the lower side air inlet (12), a first air inlet pipeline (5) is fixedly connected to the side surface of the inner fixed shell (4), and the first air inlet pipeline (5) extends to the inside of the middle cavity (8).

6. The regenerative household garbage pyrolysis gasifier according to claim 1, wherein: the flame nozzles (16) extend to the inside of the lower combustion disc (17), the second air inlet pipelines (14) penetrate through the combustion furnace (15) to extend to the outer side of the inner fixed shell (4), and the number of the second air inlet pipelines (14) is two and distributed left and right.

7. The regenerative household garbage pyrolysis gasifier according to claim 1, wherein: the upper surface of downside sintering dish (19) is provided with sintering dish through-hole (20), the side surface of downside burning dish (17) is provided with bleeder vent (18), bleeder vent (18) annular array distributes.

8. The regenerative household garbage pyrolysis gasifier according to claim 1, wherein: the lower surface of the inner fixed shell (4) is fixedly connected with a blanking device (13), and a cavity (22) is formed in the inner fixed shell (4).