A waste incineration system

Abstract

This utility model discloses a waste incineration system, including an incinerator, a separation mechanism, and a return spray mechanism. The separation mechanism includes a screen cylinder, a screening component, and a conveying component. The screening component is installed on the screen cylinder and divides the interior of the screen cylinder into a screening area and a feeding area. The bottom of the screen cylinder has a liquid discharge end corresponding to the screening area and a material discharge end corresponding to the feeding area. The conveying component is connected to the material discharge end and can transport the waste to the incinerator. The return spray mechanism includes a liquid collection component and a spraying component. The liquid collection component is connected to the liquid discharge end, and the spraying component is installed on the incinerator and connected to the liquid collection component. The liquid collection component can transport the waste liquid to the spraying component for spraying the waste liquid into the incinerator. This solves the problem in the prior art where, during waste incineration, if the waste has a high water content, the evaporation of water requires a large amount of heat, leading to a drop in furnace temperature and affecting the complete combustion of the waste.

Description

Technical Field

[0001] This utility model relates to the field of waste incineration technology, specifically to a waste incineration system. Background Technology

[0002] Waste incineration is a technology that processes municipal solid waste at high temperatures, primarily used to reduce waste volume, recover energy (such as for power generation or heating), and reduce reliance on landfills.

[0003] Waste incineration is the most widely used waste treatment method. Waste incineration involves burning waste in an incinerator to release heat energy, which is then preheated, recovered, and used for heating or power generation. Compared with other waste treatment methods, it has great advantages.

[0004] In existing technologies, when waste gas and waste are transported into the incinerator, if the waste gas and waste contain a high amount of liquid, the evaporation of water requires the absorption of a large amount of heat, which leads to a drop in furnace temperature, affects the complete combustion of waste, and also prolongs the incineration time, reducing the efficiency of waste incineration. Utility Model Content

[0005] The purpose of this invention is to overcome the above-mentioned technical deficiencies and provide a waste incineration system that solves the problem that, in the prior art, if the waste has a high water content, the evaporation of water requires the absorption of a large amount of heat, which leads to a drop in furnace temperature and affects the complete combustion of the waste.

[0006] To achieve the above-mentioned technical objectives, the present invention adopts the following technical solution:

[0007] This utility model provides a waste incineration system, comprising:

[0008] Incinerator;

[0009] A separation mechanism includes a screen cylinder, a screening component, and a conveying component. The screening component is mounted on the screen cylinder and divides the interior of the screen cylinder into a screening zone and a discharge zone. The bottom of the screen cylinder has a liquid discharge end corresponding to the screening zone and a material discharge end corresponding to the material discharge zone. The conveying component is connected to the material discharge end and is capable of conveying waste to the incinerator.

[0010] The return spray mechanism includes a liquid collection component and a spray component. The liquid collection component is connected to the liquid discharge end, and the spray component is installed on the incinerator and connected to the liquid collection component. The liquid collection component can transport the waste liquid to the spray component, so that the spray component can spray the waste liquid into the incinerator.

[0011] In one embodiment, the screening component includes a screen plate, a rotating shaft, cams, and a drive unit. One side of the screen plate is hinged to the inner wall of the screen cylinder. The rotating shaft is rotatably mounted on the screen cylinder. A plurality of cams are spaced apart on the rotating shaft and supported on the other side of the screen plate. The other side of the screen plate is inclined downward. Screening sections are formed on the screen plate. The drive unit is installed outside the screen cylinder, and its output end is connected to the rotating shaft.

[0012] In one embodiment, the conveying component includes a first screw conveyor and a second screw conveyor, wherein the feed end of the first screw conveyor is connected to the discharge end, the discharge end of the first screw conveyor is connected to the feed end of the second screw conveyor, and the discharge end of the second screw conveyor is connected to the combustion chamber of the incinerator.

[0013] In one embodiment, the conveying cylinder of the first screw conveyor is provided with a plurality of leakage holes spaced apart along the axial direction.

[0014] In one embodiment, the liquid collecting device includes a liquid collecting cylinder and a liquid pump, the opening at the top of the liquid collecting cylinder corresponds to the liquid discharge end and the first screw conveyor, and the liquid pump is connected between the liquid collecting cylinder and the spraying device.

[0015] In one embodiment, the system further includes a dust removal mechanism, which includes a dust removal cylinder and multiple cylinders. The dust removal cylinder has a dust collection chamber and an exhaust chamber. The multiple cylinders are installed in the dust collection chamber. Each cylinder has a cavity with one end open. The side wall of each cylinder has multiple vent holes communicating with the cavity. The open end of the cylinder is connected to the exhaust chamber. The air inlet of the dust collection chamber is connected to the air outlet of the incinerator.

[0016] In one embodiment, the dust removal mechanism further includes a dust removal component, which includes a power unit, a mounting plate, and multiple sleeves. The multiple sleeves are fixedly mounted on the mounting plate, which is located inside the dust collection chamber. Each sleeve is slidably mounted on each of the cylinders, and each sleeve has a friction layer that contacts the cylinder. The power unit is mounted on the dust removal cylinder and connected to the mounting plate. The power unit is used to drive the mounting plate to move relative to the cylinder.

[0017] In one embodiment, the dust removal mechanism further includes a filter membrane, each of which is fixedly sleeved on each of the cylinders.

[0018] In one embodiment, the system further includes a washing mechanism, which includes a washing tower, a liquid storage tank, a liquid supply pump, and a plurality of nozzles. The air inlet at the bottom of the washing tower is connected to the exhaust chamber. The plurality of nozzles are spaced apart in the washing tower along the height direction. The liquid storage tank is connected to the plurality of nozzles via the liquid supply pump.

[0019] In one embodiment, the washing tower is installed on top of the liquid storage tank, and the bottom of the washing tower is in communication with the liquid storage tank.

[0020] Compared with the prior art, the waste incineration system provided by this utility model uses a screening component installed on a screen cylinder to divide the inside of the screen cylinder into a screening area and a feeding area. The bottom of the screen cylinder has a liquid discharge end corresponding to the screening area and a material discharge end corresponding to the feeding area. A conveying component is connected to the material discharge end and can transport the waste to the incinerator. A liquid collection component is connected to the liquid discharge end, and a spraying component is installed on the incinerator and connected to the liquid collection component. The liquid collection component can transport the waste liquid to the spraying component for spraying into the incinerator. After the waste enters the screen cylinder, the screening component can separate the waste and the waste liquid. The waste liquid is sprayed into the incinerator through the spraying component, which atomizes the waste liquid into tiny droplets, ensuring that the waste liquid is in full contact with the high-temperature flue gas. The waste is dehydrated and can be fully burned, and the combustion time can be shortened. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of a waste incineration system provided in an embodiment of the present invention;

[0022] Figure 2 This is a schematic diagram of the internal structure of the separation mechanism provided in this embodiment of the utility model;

[0023] Figure 3 This is a schematic diagram of the internal structure of the dust removal mechanism provided in this embodiment of the utility model;

[0024] Figure 4 This is a schematic diagram of the connection between the mounting plate and the sleeve provided in this embodiment of the utility model;

[0025] Figure 5 This is a schematic diagram of the internal structure of the washing tower provided in an embodiment of this utility model. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0027] To address the technical problem in existing waste incineration technologies where high moisture content in waste leads to a drop in furnace temperature due to the large amount of heat required for moisture evaporation, thus affecting complete combustion, this invention provides a waste incineration system that can separate waste from waste liquid. The separated waste liquid is sprayed into the incinerator, allowing it to fully contact the high-temperature flue gas and ensuring that the waste can burn completely and quickly.

[0028] Please see Figures 1-5 , Figures 1-5 According to one embodiment of the present invention, a waste incineration system includes an incinerator 1, a separation mechanism 2, and a return spray mechanism 3. The separation mechanism 2 includes a screen cylinder 21, a screening component 22, and a conveying component 23. The screening component 22 is installed on the screen cylinder 21 and divides the interior of the screen cylinder 21 into a screening section 22a and a feeding section 22b. The bottom of the screen cylinder 21 has a liquid discharge end corresponding to the screening section 22a and a material discharge end corresponding to the feeding section 22b. The conveying component 23 is connected to the material discharge end and can transport waste to the incinerator 1. The return spray mechanism 3 includes a liquid collection component 31 and a spray component 32. The liquid collection component 31 is connected to the liquid discharge end. The spray component 32 is installed on the incinerator 1 and is connected to the liquid collection component 31. The liquid collection component 31 can transport waste liquid to the spray component 32 for the spray component 32 to spray the waste liquid into the incinerator 1.

[0029] In actual use, the waste is conveyed to the screening section 22a inside the screen cylinder 21. The screening component 22 can separate the waste from the waste liquid. The waste liquid can be discharged from the liquid discharge end, while the waste can be discharged from the material discharge end. The waste liquid is conveyed to the spray component 32 via the liquid collection component 31. The spray component 32 can spray the waste liquid into the incinerator 1. The waste liquid comes into full contact with the high-temperature flue gas of the incinerator 1, and the organic matter in the waste liquid can be rapidly decomposed and oxidized at high temperature. The waste is conveyed into the incinerator 1 via the conveyor component 23, and the incinerator 1 can fully burn the waste.

[0030] It should be noted that, in one embodiment, the screening component 22 includes a screen plate 221, a rotating shaft 222, a cam 223, and a drive unit 224. One side of the screen plate 221 is hinged to the inner wall of the screen cylinder 21. The rotating shaft 222 is rotatably mounted on the screen cylinder 21. A plurality of cams 223 are spaced apart on the rotating shaft 222 and supported on the other side of the screen plate 221. The other side of the screen plate 221 is inclined downward. The screening section 22a is formed on the screen plate 221. The drive unit 224 is installed outside the screen cylinder 21, and its output end is connected to the rotating shaft 222. The drive unit 224 is a geared motor.

[0031] It is understandable that a feeding area 22b is formed between the other side of the screen plate 221 and the inner wall of the screen cylinder 21. The rotating shaft 222 is driven by the drive unit 224. Under the action of the cam 223, the screen plate 221 can be driven to shake. The waste liquid in the waste can drip from the screen holes on the screen plate 221 to the discharge end, and the waste can fall from the feeding area 22b to the discharge end.

[0032] It should be noted that the conveying component 23 is not limited to a specific structure. In one embodiment, the conveying component 23 includes a first screw conveyor 231 and a second screw conveyor 232. The feed end of the first screw conveyor 231 is connected to the discharge end, the discharge end of the first screw conveyor 231 is connected to the feed end of the second screw conveyor 232, and the discharge end of the second screw conveyor 232 is connected to the combustion chamber of the incinerator 1.

[0033] Specifically, the first screw conveyor 231 is arranged in a horizontal direction, and the second screw conveyor 232 is arranged in a vertical direction.

[0034] Furthermore, based on the above scheme, the conveying cylinder of the first screw conveyor 231 is provided with multiple leakage holes at intervals along the axial direction, so that when the garbage is conveyed in the first screw conveyor 231, the residual waste liquid can drip down through the leakage holes on the conveying cylinder of the first screw conveyor 231, thereby achieving further separation of waste liquid and garbage.

[0035] It should be noted that, in one embodiment, the liquid collection component 31 includes a liquid collection cylinder 311 and a liquid pump 312. The opening at the top of the liquid collection cylinder 311 corresponds to the liquid discharge end and the first screw conveyor 231. The liquid pump 312 is connected between the liquid collection cylinder 311 and the spray component 32. Specifically, waste liquid can be discharged from the liquid discharge end and the leakage hole on the conveying cylinder of the first screw conveyor 231 and enter the liquid collection cylinder 311.

[0036] Based on the above scheme, in order to filter out dust in the high-temperature flue gas, a dust removal mechanism 4 is specifically included. The dust removal mechanism 4 includes a dust removal cylinder 41 and multiple cylinders 42. The dust removal cylinder 41 has a dust collection chamber 41a and an exhaust chamber 41b. Multiple cylinders 42 are installed in the dust collection chamber 41a. Each cylinder 42 has a cavity with one end open. The side wall of the cylinder 42 has multiple vent holes communicating with the cavity. The open end of the cylinder 42 is connected to the exhaust chamber 41b. The air inlet end of the dust collection chamber 41a is connected to the air outlet end of the incinerator 1.

[0037] In addition, the dust removal mechanism 4 also includes a filter membrane, each of which is fixedly sleeved on each of the cylinders 42. The exhaust chamber 41b is located above the dust collection chamber 41a, and the bottom of the dust removal cylinder 41 is provided with a dust discharge pipe communicating with the dust collection chamber 41a, and a valve body is provided on the dust discharge pipe.

[0038] It should be noted that the dust removal mechanism 4 also includes a dust removal component 43, which is used to clean the dust adsorbed on the multiple cylinders 42. The dust removal component 43 is not limited to a specific structure and is not otherwise limited here.

[0039] In one embodiment, the dust removal component 43 includes a power unit 431, a mounting plate 432, and a plurality of sleeves 433. The plurality of sleeves 433 are fixed on the mounting plate 432, which is disposed in the dust collection chamber 41a. Each sleeve 433 is slidably sleeved on each of the cylinders 42, and each sleeve 433 is provided with a friction layer that contacts the cylinder 42. The power unit 431 is mounted on the dust collection cylinder 41 and connected to the mounting plate 432. The power unit 431 is used to drive the mounting plate 432 to move relative to the cylinder 42.

[0040] It is understood that the power unit 431 includes a geared motor, a guide rod, and a threaded screw. The threaded screw rotatably passes through the dust collection chamber 41a and the exhaust chamber 41b, the guide rod is fixedly passed through the dust collection chamber 41a and the exhaust chamber 41b, the geared motor is fixedly mounted on the top of the dust collector 41, and the output end of the geared motor is connected to one end of the threaded screw. The threaded screw is rotatably connected to the mounting plate 432, and the guide rod is slidably connected to the mounting plate 432.

[0041] Based on the above scheme, in order to further remove pollutants from the exhaust gas, a washing mechanism 5 is specifically included. The washing mechanism 5 includes a washing tower 51, a liquid storage tank 52, a liquid supply pump 53, and multiple nozzles 54. The air inlet at the bottom of the washing tower 51 is connected to the exhaust chamber 41b. The multiple nozzles 54 are spaced apart in the washing tower 51 along the height direction of the washing tower 51. The liquid storage tank 52 is connected to the multiple nozzles 54 via the liquid supply pump 53.

[0042] Understandably, the storage tank 52 contains a washing liquid, which is an alkaline liquid, such as sodium hydroxide solution. The sodium hydroxide solution is sprayed out through the nozzle 54 and can neutralize the acidic gas, effectively removing harmful substances from the exhaust gas and ensuring that the emissions meet environmental protection standards.

[0043] Based on the above scheme, in order to ensure that the washing liquid can be recycled, specifically, the washing tower 51 is installed on the top of the liquid storage tank 52, and the bottom of the washing tower 51 is connected to the liquid storage tank 52. The bottom of the liquid storage tank 52 is provided with a drain pipe, and a control valve is provided on the drain pipe.

[0044] In addition, multiple baffles are spaced along the height direction inside the scrubbing tower 51. The baffles divide the interior of the scrubbing tower 51 into a continuous S-shaped curved channel. The S-shaped curved channel can extend the travel path of the exhaust gas in the scrubbing tower 51 and extend the contact time between the exhaust gas and the scrubbing liquid.

[0045] The specific embodiments of this utility model described above do not constitute a limitation on the scope of protection of this utility model. Any other corresponding changes and modifications made based on the technical concept of this utility model should be included within the scope of protection of the claims of this utility model.

Claims

1. A waste incineration system, characterized in that, include: Incinerator; The separation mechanism includes a screen cylinder, a screening component, and a conveying component. The screening component is installed on the screen cylinder and divides the inside of the screen cylinder into a screening area and a feeding area. The bottom of the screen cylinder is provided with a liquid discharge end corresponding to the screening area and a material discharge end corresponding to the feeding area. The conveying component is connected to the material discharge end and can transport waste to the incinerator. as well as, The return spray mechanism includes a liquid collection component and a spray component. The liquid collection component is connected to the liquid discharge end, and the spray component is installed on the incinerator and connected to the liquid collection component. The liquid collection component can transport the waste liquid to the spray component, so that the spray component can spray the waste liquid into the incinerator.

2. The waste incineration system according to claim 1, characterized in that, The screening component includes a screen plate, a rotating shaft, cams, and a drive unit. One side of the screen plate is hinged to the inner wall of the screen cylinder. The rotating shaft is rotatably mounted on the screen cylinder. A plurality of cams are spaced apart on the rotating shaft and supported on the other side of the screen plate. The other side of the screen plate is inclined downward. Screening sections are formed on the screen plate. The drive unit is installed on the outside of the screen cylinder, and its output end is connected to the rotating shaft.

3. The waste incineration system according to claim 2, characterized in that, The conveying components include a first screw conveyor and a second screw conveyor. The feed end of the first screw conveyor is connected to the bottom discharge end of the screen cylinder, the discharge end of the first screw conveyor is connected to the feed end of the second screw conveyor, and the discharge end of the second screw conveyor is connected to the combustion chamber of the incinerator.

4. The waste incineration system according to claim 3, characterized in that, The first screw conveyor has multiple leakage holes spaced apart along its axial direction on its conveying cylinder.

5. The waste incineration system according to claim 4, characterized in that, The liquid collection device includes a liquid collection cylinder and a liquid pump. The opening at the top of the liquid collection cylinder corresponds to the liquid discharge end and the first screw conveyor. The liquid pump is connected between the liquid collection cylinder and the spray device.

6. The waste incineration system according to claim 5, characterized in that, It also includes a dust removal mechanism, which includes a dust removal cylinder and multiple cylinders. The dust removal cylinder has a dust collection chamber and an exhaust chamber. Multiple cylinders are installed in the dust collection chamber. Each cylinder has a cavity with one end open. The side wall of each cylinder has multiple vent holes that communicate with the cavity. The open end of the cylinder is connected to the exhaust chamber. The air inlet of the dust collection chamber is connected to the air outlet of the incinerator.

7. The waste incineration system according to claim 6, characterized in that, The dust removal mechanism further includes a dust removal component, which includes a power unit, a mounting plate, and multiple sleeves. The multiple sleeves are fixed on the mounting plate, which is located inside the dust collection chamber. Each sleeve is slidably fitted onto each of the cylinders, and each sleeve has a friction layer that contacts the cylinder. The power unit is installed on the dust removal cylinder and connected to the mounting plate. The power unit is used to drive the mounting plate to move relative to the cylinder.

8. The waste incineration system according to claim 7, characterized in that, The dust removal mechanism also includes filter membranes, each of which is fixedly sleeved on each of the cylinders.

9. The waste incineration system according to claim 8, characterized in that, It also includes a washing mechanism, which includes a washing tower, a liquid storage tank, a liquid supply pump, and multiple nozzles. The air inlet at the bottom of the washing tower is connected to the exhaust chamber. The multiple nozzles are spaced apart in the washing tower along the height direction. The liquid storage tank is connected to the multiple nozzles via the liquid supply pump.

10. The waste incineration system according to claim 9, characterized in that, The washing tower is installed on top of the liquid storage tank, and the bottom of the washing tower is connected to the liquid storage tank.

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