Waste incineration and waste heat recovery integrated device

By using airflow and vibrating plates in conjunction with the ash removal mechanism, ash is removed from the flue gas pipe, solving the problem of ash accumulation in the transmission channel and improving ash removal efficiency and waste heat recovery efficiency.

CN224108204UActive Publication Date: 2026-04-10ZHANGJIAGANG SHENGTAI ENERGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHANGJIAGANG SHENGTAI ENERGY CO LTD
Filing Date
2025-04-18
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing integrated waste incineration and waste heat recovery devices cannot automatically clean the ash accumulation in the transmission channel, resulting in poor flue gas heat transfer and affecting waste heat recovery efficiency.

Method used

A dust removal mechanism was designed, which uses the airflow generated by the airbag and the vibration plate to remove dust from the flue gas pipe by means of airflow impact and mechanical vibration. It includes an air blowing cleaning component and a vibration cleaning component. The airbag is squeezed by a cylinder to generate airflow and the vibration plate is driven by a moving extrusion block to vibrate, thereby achieving thorough removal of dust.

Benefits of technology

It improves dust removal efficiency, reduces cleaning time, keeps the heated surface clean, enhances heat transfer efficiency, and improves the effect of waste heat recovery.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224108204U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of boiler equipment, in particular to a waste incineration and waste heat recovery integrated device which comprises an incinerator, a smoke pipe arranged at the top of the incinerator, an ash deposition cleaning mechanism, an air bag and a vibration plate. The ash deposition cleaning mechanism is arranged on the outer side of the smoke pipe. The air bag is arranged on the accumulated dust cleaning mechanism; and the vibrating plate is arranged on the flue gas pipe. Through the arrangement of the accumulated dust cleaning mechanism, the air cylinder drives the moving ring to continuously extrude the air bag to generate airflow, the airflow cleans accumulated dust adhered to the inner wall of the flue gas pipe through the air blowing pipe, meanwhile, the moving ring drives the sliding plate to intermittently knock the vibration plate, and the vibration plate further treats the accumulated dust on the inner wall of the flue gas pipe; and blowing impacts accumulated dust through high-speed airflow to loosen the accumulated dust, and vibration enables the accumulated dust to further fall off under the action of mechanical force, so that the accumulated dust can be more thoroughly removed, the dust removal efficiency is improved, the time required for cleaning each time is shortened, and the operation efficiency of the whole device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler equipment field especially relates to a waste incineration and waste heat recovery integrated device. BACKGROUND

[0002] Heavy metal waste refers to leaching slag, slag, sludge, soot and the like produced in the metallurgical process, and the waste has complex composition and contains heavy metals and the like, so cannot be directly treated as general waste, and must be incinerated and smelted, in order to realize harmlessness treatment of the material and treatment of waste gas.

[0003] The Chinese patent with the publication number CN219828843U discloses a waste incineration and waste heat recovery integrated device, which comprises a side-blown furnace incineration device, an uptake flue is connected and installed above the side-blown furnace incineration device, a secondary combustion mechanism is installed in the uptake flue, the slag waste produced in the heavy metal smelting process enters the side-blown furnace incineration device after being proportioned for incineration treatment, the waste gas generated by the incineration treatment is subjected to secondary incineration treatment in the uptake flue, the organic matter in the waste gas is effectively removed, and the top of the uptake flue is connected to a waste heat boiler through a flue gas transfer pipeline.

[0004] However, the above-mentioned disclosed scheme has the following disadvantages: the existing waste incineration and waste heat recovery integrated device cannot automatically clean the accumulated ash in the internal transmission channel, so that the heat transfer effect of the flue gas is not good, and the waste heat recovery treatment effect is affected. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problem that the accumulated ash in the transmission channel cannot be cleaned in the background art, and provides a waste incineration and waste heat recovery integrated device.

[0006] The technical scheme of the utility model is as follows: a waste incineration and waste heat recovery integrated device, which comprises an incineration furnace and a flue gas pipe arranged at the top of the incineration furnace, and further comprises:

[0007] An accumulated ash cleaning mechanism is arranged outside the flue gas pipe and is used for cleaning the accumulated ash in the flue gas pipe by blowing and knocking the flue gas pipe;

[0008] An air bag is arranged on the accumulated ash cleaning mechanism, eight air bags are annularly arranged around the flue gas pipe, and the air bags are cyclically squeezed to generate air flow under the action of the accumulated ash cleaning mechanism.

[0009] And the vibrating plate, the vibrating plate is arranged on the flue gas pipe, the vibrating plate is arranged annularly with four, the vibrating plate is knocked and vibrated under the action of the soot cleaning mechanism, and then the flue gas pipe is vibrated to shake down the internal soot.

[0010] Preferably, the inner side of the incinerator is provided with a burner, the inner side of the flue gas pipe is provided with a flue gas purifier, and the top of the flue gas pipe is provided with a waste heat boiler.

[0011] Preferably, it also includes a feeding assembly, which includes a feeding pipe, a motor and a rotating shaft.

[0012] The feeding pipe is arranged at the top of the incinerator, the top of the feeding pipe is arranged in an inverted cone shape with the opening upward, the motor is arranged at the inner side of the feeding pipe and at the top, the rotating shaft is arranged at the output end of the motor, and the outer side of the rotating shaft is provided with a spiral conveying plate.

[0013] Preferably, the soot cleaning mechanism includes a blowing cleaning assembly and a vibrating cleaning assembly.

[0014] The blowing cleaning assembly is arranged at the outer side of the waste heat boiler and is used for blowing and cleaning the internal soot of the flue gas pipe.

[0015] The vibrating cleaning assembly is arranged at the outer side of the flue gas pipe and is used for driving the flue gas pipe to vibrate and clean the internal soot.

[0016] Preferably, the blowing cleaning assembly includes a connecting frame, a gas cylinder, a push rod and a moving ring.

[0017] The connecting frame is arranged at the outer side of the waste heat boiler, the gas cylinder is arranged at the inner side of the connecting frame, the push rod is arranged at the output end of the gas cylinder, the moving ring is arranged at the bottom of the push rod, the top of the moving ring is connected with the bottom of the gas bag, and the top of the gas bag is provided with a blowing pipe.

[0018] Preferably, the vibrating cleaning assembly includes an extrusion block, a sliding plate, a limiting plate and an extension tube.

[0019] The extrusion block is arranged at the top of the moving ring, the limiting plate is arranged at the outer side of the flue gas pipe, the fixed plate is arranged above the limiting plate, the extension tube is arranged at the bottom of the fixed plate, the outer side of the extension tube is provided with a spring, the sliding plate is slidingly arranged at the bottom of the extension tube, and the guide ring is arranged at the top of the flue gas purifier.

[0020] Compared with the prior art, the utility model has following beneficial technical effect: through the setting of the ash cleaning mechanism, the cylinder drives the moving ring to continuously extrude the air bag to produce airflow, the airflow cleans the ash adhered to the inner wall of the flue gas pipe through the blowing pipe, at the same time, the moving ring drives the sliding plate to knock the vibration plate intermittently, the vibration plate further processes the ash on the inner wall of the flue gas pipe, the blowing is impacted by the high-speed airflow to make the ash loose, and the vibration is through the action of mechanical force to make the ash further fall off, so that the ash can be more completely removed, the ash removal efficiency is improved, and the time required for each cleaning is reduced, thereby improving the operation efficiency of the whole device, and the heat transfer efficiency can be improved, thereby improving the efficiency of waste heat recovery. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of an embodiment of the utility model;

[0022] Figure 2 It is Figure 1 The internal structure schematic view of the device is shown in the figure.

[0023] Figure 3 It is the structural schematic view of the ash cleaning mechanism.

[0024] Figure 4 It is the local structural schematic view of the ash cleaning mechanism.

[0025] The figure sign: 1, incinerator;2, combustor;3, flue gas purifier;4, flue gas pipe;5, waste heat boiler;601, drop pipe;602, motor;603, rotating shaft;604, spiral conveying plate;701, connecting frame;702, cylinder;703, push rod;704, moving ring;705, air bag;706, blowing pipe;707, extruding block;708, vibration plate;709, sliding plate;710, limiting plate;711, telescopic pipe;712, spring;713, fixed plate;714, guide ring. DETAILED DESCRIPTION

[0026] Embodiment one

[0027] As Figures 1-2 shown, the utility model provides a kind of waste incineration and waste heat recovery integrated device, including incinerator 1, the flue gas pipe 4 for being set at the top of incinerator 1, ash cleaning mechanism, air bag 705 and vibration plate 708, flue gas pipe 4 is used to transport the high-temperature flue gas generated by incineration:

[0028] Ash cleaning mechanism is set to the outside of flue gas pipe 4, for cleaning the ash accumulated in the inside of flue gas pipe 4 by blowing and knocking flue gas pipe 4 two ways;

[0029] The air bag 705 is arranged on the dust cleaning mechanism, eight air bags 705 are annularly arranged around the flue gas pipe 4, and the air bag 705 is cyclically extruded to generate air flow under the action of the dust cleaning mechanism.

[0030] The vibration plate 708 is arranged on the flue gas pipe 4, four vibration plates 708 are annularly arranged around the flue gas pipe 4, and the vibration plate 708 is vibrated by knocking under the action of the dust cleaning mechanism, so as to drive the flue gas pipe 4 to vibrate to shake down the internal soot.

[0031] The inside of the incinerator 1 is provided with the burner 2, the burner 2 is used for providing oxygen for incineration and adjusting the combustion temperature, the inside of the flue gas pipe 4 is provided with the flue gas purifier 3, the top of the flue gas pipe 4 is provided with the waste heat boiler 5, the waste heat boiler 5 stores hot water, and the flue gas purifier 3 is used for treating harmful substances in flue gas, so that the flue gas becomes harmless, and then the water in the waste heat boiler 5 is heated to become high-temperature water vapor.

[0032] The feeding assembly comprises a feeding pipe 601, a motor 602 and a rotating shaft 603; the feeding pipe 601 is arranged at the top of the incinerator 1, the top of the feeding pipe 601 is arranged in an inverted conical shape with an opening upward, so as to facilitate feeding of waste into the interior, the motor 602 is arranged at the top of the inside of the feeding pipe 601, the rotating shaft 603 is arranged at the output end of the motor 602, the outside of the rotating shaft 603 is provided with a spiral conveying plate 604, the outside of the spiral conveying plate 604 is attached to the inside of the feeding pipe 601, the motor 602 is started, waste is fed into the interior of the feeding pipe 601, the motor 602 drives the spiral conveying plate 604 to rotate through the rotating shaft 603, and the waste in the feeding pipe 601 is uniformly conveyed into the incinerator 1 for treatment under the transportation of the spiral conveying plate 604.

[0033] Embodiment two

[0034] As Figures 3-4 shown, the utility model discloses a kind of waste incineration and waste heat recovery integrated device, compared with embodiment one, the structure of dust cleaning mechanism is detailed in this embodiment.

[0035] The dust cleaning mechanism comprises a blowing cleaning assembly and a vibration cleaning assembly; the blowing cleaning assembly is arranged outside the waste heat boiler 5 and is used for blowing and cleaning the dust inside the flue gas pipe 4; the vibration cleaning assembly is arranged outside the flue gas pipe 4 and is used for driving the flue gas pipe 4 to vibrate and clean the dust inside. The blowing cleaning assembly comprises a connecting frame 701, a gas cylinder 702, a push rod 703 and a moving ring 704; the connecting frame 701 is arranged outside the waste heat boiler 5, the gas cylinder 702 is arranged inside the connecting frame 701, the push rod 703 is arranged at the output end of the gas cylinder 702, and the moving ring 704 is arranged at the bottom of the push rod 703; the top of the moving ring 704 is connected with the bottom of a gas bag 705, the top of the gas bag 705 is provided with a blowing pipe 706, the end of the blowing pipe 706 away from the gas cylinder 702 points to the inner wall of the flue gas pipe 4, the gas cylinder 702 is started, the gas cylinder 702 drives the moving ring 704 to move up and down through the push rod 703, the moving ring 704 moves up to press the gas bag 705 to generate airflow, the airflow blows to the inner wall of the flue gas pipe 4 through the blowing pipe 706 to process the dust on the inner wall, and the moving ring 704 moves down to restore the gas bag 705 to the original state. The vibration cleaning assembly comprises a pressing block 707, a sliding plate 709, a limiting plate 710 and an extension pipe 711; the pressing block 707 is arranged at the top of the moving ring 704, four pressing blocks 707 are arranged in a ring shape around the moving ring 704, the pressing block 707 is arranged in a trapezoidal shape, the limiting plate 710 is arranged outside the flue gas pipe 4, a fixed plate 713 is arranged above the limiting plate 710, the extension pipe 711 is arranged at the bottom of the fixed plate 713, springs 712 are arranged outside the extension pipe 711, the sliding plate 709 is slidingly arranged at the bottom of the extension pipe 711, a guide ring 714 is arranged at the top of the flue gas purifier 3, and the edge of the sliding plate 709 is arranged in rubber material, so that the pressing block 707 can press the sliding block to deform and move below the pressing block 707 when the pressing block 707 moves down, the part of the sliding plate 709 beyond the vibration plate 708 is located above the inclined surface of the pressing block 707, the moving ring 704 drives the pressing block 707 to move, the pressing block 707 drives the sliding plate 709 to move up when the pressing block 707 moves to the sliding plate 709, the sliding plate 709 slides along the limiting plate 710, and the sliding plate 709 is inwards retracted along the inclined surface when the sliding plate 709 slides to the top of the limiting plate 710, so that the pressing block 707 is separated from the sliding plate 709, and the sliding plate 709 hammers the vibration plate 708 downwards under the action of the springs 712 to drive the vibration plate 708 to vibrate.

[0036] In summary, in use, the motor 602 is started, and waste is put into the put-in pipe 601, the motor 602 drives the spiral conveying plate 604 to rotate through the rotating shaft 603, the waste in the put-in pipe 601 is uniformly conveyed into the incinerator 1 for treatment under the transportation of the spiral conveying plate 604, the burner 2 provides oxygen for incineration and adjusts the combustion temperature, the flue gas generated by incineration enters the flue gas pipe 4, and the harmful substances in the flue gas are treated by the flue gas purifier 3, so that the flue gas becomes harmless, and then the water in the waste heat boiler 5 is heated to become high-temperature water vapor, the flue gas pipe 4 has accumulated ash inside after long-term use, at this time, the air cylinder 702 is started, the air cylinder 702 drives the moving ring 704 to move up and down through the push rod 703, when the moving ring 704 moves up, the air bag 705 is extruded to generate air flow, the air flow blows to the inner wall of the flue gas pipe 4 through the air blowing pipe 706, and then the accumulated ash on the inner wall is treated, at the same time, the moving ring 704 drives the extrusion block 707 to move, when the extrusion block 707 moves to the sliding plate 709, the sliding plate 709 is driven to move up, the sliding plate 709 slides along the limiting plate 710, when the sliding plate 709 slides to the top of the limiting plate 710, since the top of the limiting plate 710 is a slope, the sliding plate 709 is inwards retracted along the slope, so that the extrusion block 707 is separated from the sliding plate 709, the sliding plate 709 hammers the vibration plate 708 downwards under the action of the spring 712, so as to drive the vibration plate 708 to vibrate, so as to fully clean the opportunities in the flue gas pipe 4, and the accumulated ash cleaned is entered into the incinerator 1 through the guide ring 714, so as to facilitate cleaning.

[0037] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, and various changes can be made within the knowledge range of the technical personnel in the technical field without departing from the purpose of the utility model.

Claims

1. A waste incineration and waste heat recovery integrated device, comprising an incinerator (1) and a flue gas pipe (4) arranged at the top of the incinerator (1); characterized in that, Also include: The soot cleaning mechanism is arranged outside the flue gas pipe (4), and is used for removing the accumulated soot in the flue gas pipe (4) by blowing and knocking the flue gas pipe (4); The air bag (705) is arranged on the soot cleaning mechanism, and the air bag (705) is arranged annularly around the flue gas pipe (4) in eight, and the air bag (705) is cyclically extruded to generate airflow under the action of the soot cleaning mechanism; And the vibrating plate (708) is arranged on the flue gas pipe (4), and the vibrating plate (708) is arranged annularly around the flue gas pipe (4) in four, and the vibrating plate (708) is vibrated under the action of the soot cleaning mechanism, and then drives the flue gas pipe (4) to vibrate to shake down the soot inside.

2. The waste incineration and waste heat recovery integrated device according to claim 1, wherein The inside of the incinerator (1) is provided with a burner (2), the inside of the flue gas pipe (4) is provided with a flue gas purifier (3), the top of the flue gas pipe (4) is provided with a waste heat boiler (5), and the waste heat boiler (5) stores hot water.

3. The waste incineration and waste heat recovery integrated device according to claim 1, characterized by It also includes a feeding assembly, which includes a feeding pipe (601), a motor (602) and a rotating shaft (603); The feeding pipe (601) is arranged at the top of the incinerator (1), the top of the feeding pipe (601) is arranged as an inverted cone with the opening upward, which is convenient for feeding waste inside, the motor (602) is arranged inside the feeding pipe (601) and located at the top, the rotating shaft (603) is arranged at the output end of the motor (602), and the outer side of the rotating shaft (603) is provided with a spiral conveying plate (604).

4. The waste incineration and waste heat recovery integrated device according to claim 2, characterized by The soot cleaning mechanism includes a blowing cleaning assembly and a vibrating cleaning assembly; The blowing cleaning assembly is arranged outside the waste heat boiler (5), and is used for blowing and removing the soot inside the flue gas pipe (4); The vibrating cleaning assembly is arranged outside the flue gas pipe (4), and is used for driving the flue gas pipe (4) to vibrate and remove the soot inside.

5. The waste incineration and heat recovery integrated device according to claim 4, wherein The blowing cleaning assembly includes a connecting frame (701), a gas cylinder (702), a push rod (703) and a moving ring (704); The connecting frame (701) is arranged outside the waste heat boiler (5), the gas cylinder (702) is arranged inside the connecting frame (701), the push rod (703) is arranged at the output end of the gas cylinder (702), the moving ring (704) is arranged at the bottom of the push rod (703), the top of the moving ring (704) is connected with the bottom of the air bag (705), and the top of the air bag (705) is provided with a blowing pipe (706).

6. The waste incineration and heat recovery integrated device according to claim 5, wherein The vibrating cleaning assembly includes an extrusion block (707), a sliding plate (709), a limiting plate (710) and a telescopic pipe (711); The extrusion block (707) is arranged at the top of the moving ring (704), the limiting plate (710) is arranged outside the flue gas pipe (4), the fixed plate (713) is arranged above the limiting plate (710), the telescopic pipe (711) is arranged at the bottom of the fixed plate (713), the spring (712) is arranged outside the telescopic pipe (711), the sliding plate (709) is slidingly arranged at the bottom of the telescopic pipe (711), and the guide ring (714) is arranged at the top of the flue gas purifier (3).

Citation Information

Patent Citations

  • Waste incineration and waste heat recovery integrated device

    CN219828843U