CN106931446A - Rubbish high-efficiency environment friendly pyrolysis installation - Google Patents

Abstract

The invention discloses a high-efficiency and environment-friendly pyrolysis device for garbage. In order to overcome the deficiencies of the existing garbage pyrolysis technology devices, such as uneven oxygen supply and preheating, poor combustion, poor pyrolysis continuity, and high operating costs, the present invention sets an air inlet, outlet, etc. on the water pipe passing through the pyrolysis chamber. In the air chamber of the tuyere, at least two water pipes passing through the pyrolysis chamber and communicating with the water chamber are arranged at the interval of the pyrolysis chamber, and there is an intermediate air outlet connected to the air chamber in the middle of the interval between the water pipes. Mid-stroke cavity. The invention is used for the harmless treatment of garbage burning pyrolysis, which can make the oxygen supply smooth and balanced in the garbage burning pyrolysis, has strong controllability, strong combustion-supporting performance, and makes the garbage preheating, drying, and burning continuous, balanced and thorough. The pyrolysis is not sluggish, uninterrupted, environmentally friendly and efficient, and has low manufacturing and installation costs, easy maintenance, and improved operational efficiency and benefits.

Description

Garbage efficient and environmentally friendly pyrolysis device

technical field

The invention relates to a garbage pyrolysis harmless treatment device, in particular to a garbage pyrolysis device with high efficiency and environmental protection.

Background technique

Existing waste treatment methods include incineration pyrolysis, centralized landfill, etc. Centralized landfill needs to occupy a lot of cultivated land, so most countries use waste incineration and pyrolysis as the main means of harmless disposal of waste.

The waste incineration pyrolysis process has high requirements on the pyrolysis device. The deficiencies of existing waste pyrolysis devices are: the combustion continuity is not ideal, and manual inspection and ignition are sometimes required; the oxygen supply capacity is insufficient, the oxygen supply is unevenly preheated, and the controllability is not strong, which makes the combustion balance poor and easy to burn. Harmful substances such as dioxins are produced, which makes it more difficult and costly for the subsequent harmless treatment of smoke, steam, water, ash, etc. generated by preheating, drying and incineration of garbage; the incineration oxygen supply mechanism is not durable enough and is easy to burn out Moreover, it is not conducive to maintenance, reduces the efficiency of waste pyrolysis, and increases operating costs.

Contents of the invention

The object of the present invention is to address the above-mentioned deficiencies, and provide an efficient and environment-friendly pyrolysis device for garbage, which can make the pyrolysis of garbage incineration smooth and balanced, with strong controllability and strong combustion-supporting properties, so that the garbage can be preheated, dried, and burned continuously. , Balanced, and thorough, so that the pyrolysis is not sluggish, uninterrupted, environmentally friendly and efficient, and has low manufacturing and installation costs, easy maintenance, and improved operating efficiency and benefits.

In order to achieve the above object, the technical solution of the present invention is that the garbage high-efficiency and environment-friendly pyrolysis device includes a pyrolysis chamber with a garbage input mechanism, and at least two water pipes passing through the pyrolysis chamber are provided in the pyrolysis chamber. An air cavity with an air inlet and an air outlet is arranged above or outside the water pipe.

The water pipes are arranged at intervals, and in the middle of the intervals between the water pipes, an intermediate air chamber with an intermediate air outlet connected to the air chamber is provided.

A water chamber is provided outside the pyrolysis chamber, and the water pipe communicates with the water chamber.

An air cap is arranged above the water pipe, and the air cavity is formed between the air cap and the water pipe.

The cross-section of the wind cap is arc-shaped, and an air outlet is provided on the side wall of the wind cap or/and at the connection between the wind cap and the water pipe.

The cross section of the air cap is triangular, the air outlets are arranged at intervals on the side wall of the air cap, and the intervals between the air outlets are uneven.

Two sides of the water pipe are respectively provided with supports for installing the air cap, and an air outlet is provided between the side wall of the air cap and/or the support.

The bottom wall of the air chamber is a water pipe wall, the air inlet is arranged at the axial end of the air chamber, and the air outlet is arranged at intervals on the side wall or/and the top wall of the air chamber.

The air outlet passes through the wall of the air chamber obliquely to the axial direction of the air chamber from inside to outside.

The air outlet passes through the wall of the air chamber at an included angle of 30-60° inclined to the axial direction of the air chamber from inside to outside, and the opening of the included angle faces the opposite end of the air inlet of the air chamber.

Compared with the prior art device, the present invention is provided with an air chamber with an air inlet and an air outlet above or outside the water pipe passing through the pyrolysis chamber, the water pipes are arranged at intervals, and the middle part of the interval between the water pipes is provided with The air chamber connected with the air chamber has an intermediate air outlet. The water pipe passes through the pyrolysis chamber to communicate with the water chamber. Above the water pipe are high-temperature ash, burning garbage, and dry garbage. Outside the water pipe, especially in the An air chamber is arranged on the upper part of the water pipe, the bottom wall of the air chamber is the wall of the water pipe, the air inlet is arranged at the axial end of the air chamber, and the air outlet is arranged at the side of the air chamber at uneven intervals. The wall or/and the connection between the side wall of the air chamber and the water pipe, the air outlet passes through the wall of the air chamber from the inside to the outside in an axial direction inclined to the air chamber, and the opening of the angle formed by the inclination faces the opposite of the air inlet of the air chamber. end. In this way, while the water chamber strengthens the heat exchange through the water pipes, the air chamber for conveying hot air is uniformly supported and arranged, and the hot air is uniformly and reasonably arranged according to needs and controllable layout, which is extremely conducive to uniform, continuous and smooth combustion pyrolysis, Drying garbage is conducive to the waste heat generated by garbage pyrolysis to preheat hot water and air for efficient exchange and utilization, which is conducive to maintenance and cost reduction.

The invention is used for the harmless treatment of garbage burning pyrolysis, which can make the oxygen supply smooth and balanced in the garbage burning pyrolysis, has strong controllability, strong combustion-supporting performance, and makes the garbage preheating, drying, and burning continuous, balanced and thorough. The pyrolysis is not sluggish, uninterrupted, environmentally friendly and efficient, and has low manufacturing and installation costs, easy maintenance, and improved operational efficiency and benefits.

Description of drawings

Fig. 1 is a schematic cross-sectional view of the present invention.

In the figure, 1. Water pipe, 2. Pyrolysis chamber, 3. Air chamber, 4. Wind cap, 5. Intermediate air chamber, 6. Water chamber.

detailed description

As shown in Figure 1, the high-efficiency and environment-friendly pyrolysis device for garbage of the present invention includes a pyrolysis chamber 2 with a garbage input mechanism, and at least two water pipes 1 passing through the pyrolysis chamber 2 are arranged in the pyrolysis chamber 2. An air cavity 3 with an air inlet and an air outlet is arranged on or outside the water pipe 1 . The air chamber 3 is evenly arranged along with the water pipe 1 to realize uniform oxygen supply and heat exchange, which is an implementation mode.

Based on the above further implementation, the water pipes 1 are arranged at intervals, and in the middle of the intervals between the water pipes 1 there is provided an intermediate wind chamber 5 with an intermediate air outlet connected to the air chamber 3 .

Based on the above further implementation, a water chamber 6 is provided outside the pyrolysis chamber 2 , and the water pipe 1 communicates with the water chamber 2 .

Based on another implementation of the above, a wind cap 4 is provided above the water pipe 1, and the wind cavity 3 is formed between the wind cap 4 and the water pipe 1. The cross section of the wind cap 4 is arc-shaped, and An air outlet is provided on the side wall of the wind cap 4 or/and at the joint between the wind cap 4 and the water pipe 1 .

Based on another implementation described above, the cross section of the air cap 4 is triangular in shape, the air outlets are arranged at intervals on the side wall of the air cap 4 , and the intervals between the air outlets are uneven.

In another implementation, a support for installing the air cap 4 is provided on both sides of the water pipe 1 respectively, and an air outlet is provided on the side wall of the air cap 4 or/and between the air cap 4 and the support.

The bottom wall of the air chamber 3 is a water pipe wall, the air inlet is arranged at the axial end of the air chamber, and the air outlet is arranged at intervals on the side wall or/and the top wall of the air chamber.

Further, the air outlet passes through the wall of the air chamber from inside to outside at an angle inclined to the axial direction of the air chamber 3, or the air outlet passes through the wall of the air chamber at an angle of 30-60° inclined to the axial direction of the air chamber 3 from inside to outside , the opening of the included angle faces the opposite end of the air inlet of the air chamber 3 .

Further, an ash outlet is provided below or below the water pipe, and ash outlets are provided at both ends of the ash outlet, and a screw conveying mechanism is provided in the ash outlet, and the screw conveying mechanism has a direction opposite to that of the ash outlet. As for the spiral piece, the axial direction of the ash outlet is consistent with the axial direction of the water pipe, and the groove wall of the ash outlet is connected with the water pipe.

Claims (10)

1. A high-efficiency and environmentally friendly pyrolysis device for garbage, including a pyrolysis chamber (2) with a garbage input mechanism, characterized in that at least two ), an air cavity (3) with an air inlet and an air outlet is arranged on or outside the water pipe (1). 2. The high-efficiency and environment-friendly pyrolysis device for garbage according to claim 1, characterized in that, the water pipes (1) are arranged at intervals, and the middle part of the interval between the water pipes (1) is provided with a ventilation chamber (3) There is an intermediate air cavity (5) with an intermediate air outlet. 3. The high-efficiency and environment-friendly pyrolysis device for garbage according to claim 1, characterized in that a water chamber (6) is provided outside the pyrolysis chamber (2), and the water pipe (1) communicates with the water chamber (2 ). 4. The high-efficiency and environment-friendly pyrolysis device for garbage according to claim 1, characterized in that a hood (4) is provided on the top of the water pipe (1), and a hood (4) is formed between the hood (4) and the water pipe (1). The wind cavity (3). 5. The high-efficiency and environment-friendly pyrolysis device for garbage according to claim 4, characterized in that the cross section of the wind cap (4) is arc-shaped, and the side wall of the wind cap (4) or/and the wind cap (4) An air outlet is provided at the connection with the water pipe (1). 6. The high-efficiency and environment-friendly pyrolysis device for garbage according to claim 4, characterized in that the cross-section of the air cap (4) is triangular, the air outlets are arranged at intervals on the side walls of the air cap (4), and the air outlets The air outlets are not equally spaced. 7. The high-efficiency and environment-friendly pyrolysis device for garbage according to claim 4, characterized in that, on both sides of the water pipe (1), there are supports for installing the air cap (4), and on the side wall of the air cap (4) Or/and an air outlet is provided between the wind cap (4) and the support. 8. The high-efficiency and environmentally friendly pyrolysis device for garbage according to any one of claims 1-7, characterized in that the bottom wall of the air chamber (3) is a water pipe wall, and the air inlet is located on the axis of the air chamber The air outlets are arranged at intervals on the side wall or/and the top wall of the air cavity. 9. The high-efficiency and environmentally friendly pyrolysis device for garbage according to claims 1-7, characterized in that the air outlet passes through the wall of the air chamber from the inside to the outside in an axial direction inclined to the air chamber (3). 10. The high-efficiency and environment-friendly pyrolysis device for garbage according to claim 9, characterized in that the air outlet passes through the wall of the air chamber at an angle of 30-60° inclined to the axial direction of the air chamber (3) from the inside to the outside, the The opening of the included angle is towards the opposite end of the air inlet of the air chamber (3).