Kitchen garbage incinerator

Abstract

The utility model discloses a kitchen garbage incinerator which comprises a hearth, a plurality of air chambers are arranged on the lower portion of the hearth, and each air chamber is provided with a recycled smoke inlet and a primary air inlet. A primary baffle and a secondary baffle are arranged in the air chamber, the primary baffle is arranged in the middle of an inner cavity of the air chamber and located on the upper portion of the circulating smoke inlet, and a channel is formed between the primary baffle and the inner side wall of the air chamber; the secondary baffle is arranged on the wall face of the bottom of the air chamber above the primary baffle, and a mixed gas channel is formed in the middle of the secondary baffle and communicated with the hearth. Compared with the prior art, the utility model has the following beneficial effects: high-temperature flue gas accounting for 10% of the total amount is introduced for reuse, the temperature is high, the oxygen content is low, the combustion is strong, and the generation amount of nitrogen oxide is low; the primary baffle and the secondary baffle are additionally arranged in the air chamber, recirculated flue gas impacts the primary baffle to form broken flow, and the broken flow is uniformly mixed with primary air in the space between the primary baffle and the secondary baffle to form high-temperature low-oxygen gas, so that the energy consumption is reduced.

Description

Technical Field

[0001] This utility model belongs to the field of waste incinerator technology, specifically a kitchen waste incinerator. Background Technology

[0002] The amount of kitchen waste in municipal solid waste is increasing year by year. Because kitchen waste has a much higher water content than general municipal solid waste, it has a low calorific value and is difficult to ignite. Ordinary municipal solid waste incinerators are no longer suitable for it, and there is an urgent need to develop an energy-saving kitchen waste incinerator that can achieve environmentally friendly emissions. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of the existing technology described above by providing a kitchen waste incinerator specifically designed for kitchen waste treatment, which can save on solid waste treatment costs and reduce energy consumption.

[0004] The technical solution adopted by this utility model is: a kitchen waste incinerator, including a furnace chamber 1, a plurality of air chambers 12 arranged in the lower part of the furnace chamber 1, the air chamber 12 being provided with a recirculated flue gas inlet and a primary air inlet; a primary baffle 15 is provided in the air chamber 12, the primary baffle 15 being located in the middle of the inner cavity of the air chamber 12 and above the recirculated flue gas inlet, and a channel 14 is formed between the primary baffle 15 and the inner sidewall of the air chamber 12.

[0005] Preferably, the edge of the primary baffle 15 has a downward-bent section, which folds back the incoming circulating flue gas and mixes it before it overflows from the channel 14, causing the circulating flue gas to form a broken stream after hitting the primary baffle 15, thus promoting a more uniform mixing of the combustion-supporting mixture.

[0006] Preferably, the air chamber 12 is provided with a secondary baffle 13, which is located on the side wall of the air chamber 12 above the primary baffle 15, and the middle part of the secondary baffle 13 forms a mixed gas channel that communicates with the furnace 1.

[0007] The primary air inlet is located on the bottom wall of the air chamber between the primary baffle 15 and the secondary baffle 13.

[0008] The primary baffle 15 is installed at half the height of the air chamber 12, with a width that is half the width of the air chamber at the same height, a downward tilt angle of 30-60 degrees, and a height from the bottom that is 1 / 4 of the total height of the air chamber.

[0009] The secondary baffle 13 is installed at 3 / 4 of the height of the air chamber 12, and is divided into two parts, left and right, each with a width of 1 / 4 of the width of the air chamber at the same height.

[0010] A branch recirculation pipe is provided on the exhaust flue pipe 2 of the furnace 1, which is connected to the inlet of the recirculation fan 10. The outlet of the recirculation fan 10 is connected to the recirculation flue gas inlet of each air chamber 12 installed on the waste incinerator. The high-temperature flue gas, which accounts for 10% of the total amount in the flue, is mixed with the primary air in the air chamber 12 and then enters the furnace to assist combustion, so that the temperature in the furnace is high, the oxygen content is low, the combustion is strong, and the amount of nitrogen oxides generated is reduced.

[0011] In summary, compared with the prior art, the beneficial effects of this utility model are as follows: 10% of the total high-temperature flue gas is introduced and extracted into the flue to mix with the primary air in the wind box. The high temperature and low oxygen content result in strong combustion and low nitrogen oxide generation. The high-temperature flue gas can increase the temperature of the primary air, reduce the amount of steam used for heating the primary air, and reduce energy consumption. The wind chamber is equipped with primary and secondary baffles. After the recirculated flue gas impacts the primary baffle, it forms a fragmented flow and mixes evenly with the primary air in the space between the primary and secondary baffles to form a high-temperature, low-oxygen gas, further reducing energy consumption. Attached Figure Description

[0012] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0013] Figure 1 This utility model provides a process for an environmentally friendly emission system for a waste incinerator. Figure 1 . Detailed Implementation

[0014] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model. In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0015] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified. Furthermore, the terms "installed," "connected," and "linked" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0016] A type of kitchen waste incinerator, such as Figure 1 As shown, the furnace includes a furnace chamber 1, with several air chambers 12 arranged in the lower part of the furnace chamber 1. Each air chamber 12 is equipped with a recirculated flue gas inlet and a primary air inlet. A primary baffle 15 and a secondary baffle 13 are installed inside each air chamber 12. The primary baffle 15 is located in the middle of the inner cavity of the air chamber 12 and above the recirculated flue gas inlet. A channel 14 is formed between the primary baffle 15 and the inner wall of the air chamber 12. Preferably, the edge of the primary baffle 15 has a downward-bent section, which deflects and mixes the incoming recirculated flue gas before it overflows from the channel 14, causing the recirculated flue gas to impact the primary baffle 15 and form a fragmented flow, promoting a more uniform mixing of the combustion mixture. The secondary baffle 13 is located on the side wall of the air chamber 12 above the primary baffle 15, and a mixing gas channel is formed in the middle of the secondary baffle 13, communicating with the furnace. The primary air inlet is located on the bottom wall of the air chamber between the primary baffle 15 and the secondary baffle 13. An air intake fan 11 is provided at the primary air inlet. The air chamber 12 is equipped with a primary baffle 15 and a secondary baffle 13. After the recirculated flue gas impacts the primary baffle 15, it mixes uniformly with the primary air in the space between the primary baffle 15 and the secondary baffle 13, forming a high-temperature, low-oxygen gas. The primary baffle 15 is installed at half the height of the air chamber 12, with a width half the width of the air chamber at the same height, a downward tilt angle of 30-60 degrees, and a height from the bottom of the air chamber that is 1 / 4 of its total height. The secondary baffle 13 is installed at three-quarters the height of the air chamber 12, divided into left and right sections, each with a width 1 / 4 the width of the air chamber at the same height.

[0017] A branch recirculation pipe is provided on the exhaust flue 2 of the furnace 1 and connected to the inlet of the recirculation fan 10. The outlet of the recirculation fan 10 is connected to each air chamber 12 installed on the waste incinerator. The high-temperature flue gas, which accounts for 10% of the total amount in the flue, is mixed with the primary air in the air chamber 12 and then enters the furnace to assist combustion, so that the temperature in the furnace is high, the oxygen content is low, the combustion is strong, and the amount of nitrogen oxides generated is reduced.

[0018] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A kitchen waste incinerator, characterized in that, The furnace includes a furnace chamber (1), and several air chambers (12) are arranged in the lower part of the furnace chamber (1). Each air chamber (12) is provided with a recirculated flue gas inlet and a primary air inlet. An air intake fan (11) is provided at the primary air inlet. A primary baffle (15) is provided inside the air chamber (12). The primary baffle (15) is located in the middle of the inner cavity of the air chamber (12) and above the recirculated flue gas inlet. A channel (14) is formed between the primary baffle (15) and the inner side wall of the air chamber (12). A branch recirculation pipe is provided on the exhaust pipe (2) of the furnace chamber (1) and connected to the inlet of the recirculation fan (10). The outlet of the recirculation fan (10) is connected to the recirculated flue gas inlet of each air chamber (12) provided on the waste incinerator.

2. The kitchen waste incinerator according to claim 1, characterized in that, The edge of the primary baffle (15) has a downward bending section, which reverses and mixes the incoming circulating flue gas before it overflows from the channel (14), causing the circulating flue gas to hit the primary baffle (15) and form a broken flow.

3. A kitchen waste incinerator according to claim 2, characterized in that, The air chamber (12) is provided with a secondary baffle (13), which is located on the side wall of the air chamber (12) above the primary baffle (15). The middle part of the secondary baffle (13) forms a mixed gas channel that communicates with the furnace (1).

4. A kitchen waste incinerator according to claim 3, characterized in that, The primary air inlet is located on the bottom wall of the air chamber between the primary baffle (15) and the secondary baffle (13).

5. A kitchen waste incinerator according to claim 4, characterized in that, The primary baffle (15) is installed at 1 / 2 height of the air chamber (12), with a width of 1 / 2 of the width of the air chamber at the same height, a downward tilt angle of 30-60 degrees, and a height from the bottom of 1 / 4 of the total height of the air chamber.

6. A kitchen waste incinerator according to claim 4, characterized in that, The secondary baffle (13) is installed at 3 / 4 height of the air chamber (12), and is divided into two parts, left and right, each with a width of 1 / 4 of the width of the air chamber at the same height.

Images