Waste heat recovery equipment for hazardous waste incineration

By setting up a waste gas recovery and treatment mechanism in the incinerator, the flue gas is mixed with a mixing rod and an oxygen tank, and the flue gas is collected by a fan and a guide hood. The flue gas is then further burned through a heat recovery barrel, which solves the problem of low waste heat recovery efficiency caused by incomplete combustion, and achieves efficient recovery of heat in the flue gas and reduction of environmental pollution.

CN223525149UActive Publication Date: 2025-11-07冯勇
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Patent Information

Application Number
CN202422345252.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2025-11-07
Estimated Expiration
2034-09-24

AI Technical Summary

Technical Problem

Existing incinerators suffer from incomplete combustion when incinerating hazardous waste, resulting in low efficiency in waste heat recovery and failure to effectively utilize the heat in the waste gas.

Method used

By setting up a waste gas recovery and treatment mechanism, the flue gas and oxygen are mixed using a mixing rod and an oxygen tank, and the flue gas is collected by a fan and a guide hood. The flue gas is then further burned and the heat is recovered through a heat recovery tank. An igniter is used to ensure complete combustion, and a feeding plate is used to conveniently dispose of hazardous waste.

Benefits of technology

It improves the efficiency of flue gas waste heat recovery, reduces environmental pollution, saves energy, and enables further combustion and heat recovery of unburned particles.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses waste heat recovery equipment for hazardous waste incineration, and particularly relates to the technical field of waste heat recovery and utilization, which comprises a bracket, and a waste gas recovery processing mechanism is fixedly connected in the bracket; wherein the waste gas recovery treatment mechanism comprises a heat recovery barrel, the outer side of the heat recovery barrel is fixedly connected with the inner wall of a support, a motor is mounted at the bottom of the heat recovery barrel, a rotating rod is fixedly connected to the output end of the motor, a mixing rod is clamped to the outer side of the rotating rod, an oxygen tank is arranged on one side of the support, the top of the oxygen tank communicates with a gas conveying pipe, and a switch valve is mounted on the outer side of the gas conveying pipe; a water inlet pipe is inserted into the heat recovery barrel, and one end of the water inlet pipe communicates with a heat exchange tank. According to the flue gas waste heat recovery device, the waste gas recovery treatment mechanism is arranged, and the flue gas after incineration is further subjected to oxygen-enriched combustion to release heat, so that particles which are not completely combusted in the flue gas can be further combusted in the flue gas waste heat recovery process, and the flue gas waste heat recovery efficiency is improved while the environmental pollution caused by flue gas emission is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the waste heat recycling technical field, more specifically, the utility model relates to a waste heat recovery equipment of dangerous waste incineration. BACKGROUND

[0002] It is known that dangerous waste can bring serious pollution and potential harm, for which a corresponding mode needs to be adopted to handle it, thereby reducing its harmfulness. Dangerous waste is usually handled by incineration, and the waste gas, waste residue and the like generated after incineration can be directly discharged or landfilled after a series of purification treatment.

[0003] The existing incinerator does not have the function of waste heat recovery of the waste gas after combustion, and a large amount of heat will be directly emitted to the environment from the waste gas after incineration of dangerous waste, thereby causing waste of energy.

[0004] Through retrieval, the Chinese patent with the publication number CN218721529U discloses a novel efficient dangerous waste incineration waste heat recovery treatment device, which can effectively recover and utilize the waste heat in the waste gas after incineration of dangerous waste, thereby reducing the loss and saving resources, and enhancing the practicality.

[0005] However, the above-mentioned waste heat recovery treatment device has the problem that when the waste dangerous goods are burned, the combustion is not sufficient, which leads to the problem that the waste gas is not sufficiently combusted after being collected into the heat absorption pipe, thereby reducing the efficiency of waste heat recovery of the waste gas. UTILITY MODEL CONTENT

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a waste heat recovery equipment of dangerous waste incineration to solve the problems raised in the above-mentioned background art.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] The utility model provides a kind of waste incineration waste heat recovery equipment, including support, and the inside fixed connection of waste gas recovery processing mechanism is connected;The waste gas recovery processing mechanism includes heat recovery bucket, and the outside fixed connection of heat recovery bucket inner wall is connected, and the bottom of heat recovery bucket is equipped with motor, and the output end fixed connection of motor is connected with rotating rod, and the outside clamping of rotating rod is connected with mixing rod, and the side of support is equipped with oxygen tank, and the top of oxygen tank is connected with gas pipe, and the outside installation of gas pipe is equipped with switch valve;The inside splicing of heat recovery bucket is connected with water inlet pipe, and the top of water inlet pipe is connected with heat exchange tank, and the top of heat exchange tank is connected with water outlet pipe, and the inside fixed connection of heat recovery bucket is connected with fixed link, and the outside fixed connection of heat recovery bucket is connected with step motor, and the output end fixed connection of step motor is connected with gear, and the side meshing of gear is connected with first rotating disc, and the outside rotation connection of first rotating disc inner wall with heat recovery bucket, and the top fixed connection of heat recovery bucket is connected with second rotating disc, and the top installation of heat recovery bucket is equipped with smoke baffle, and the outside setting of heat recovery bucket is equipped with igniter.

[0009] By adopting the above technical scheme: the smoke and oxygen are mixed, the smoke that is not fully combusted can be further combusted, and the waste heat of the smoke can be further recovered and utilized.

[0010] Further description of the above technical scheme: the side of the heat recovery bucket is provided with a smoke collection mechanism, the smoke collection mechanism includes a smoke suction pipe, the smoke suction pipe is provided with a fan outside, one end of the smoke suction pipe is connected with a conduit, and the conduit is fixedly connected with a combustion furnace on one side, and the inner wall of the combustion furnace is fixedly connected with a wind deflector.

[0011] By adopting the above technical scheme: the smoke in the combustion furnace is quickly collected and input into the inside of the heat recovery bucket, which is convenient for subsequent waste heat recovery.

[0012] Further description of the above technical scheme: the side of the combustion furnace is rotatably connected with a feeding plate, the outer side of the combustion furnace is fixedly connected with two movable seats, and the movable seats are hingedly connected with baffles.

[0013] By adopting the above technical scheme: the feeding plate can maintain a certain inclination angle under the support of the movable seat and the baffle, which is convenient for the feeding of hazardous waste.

[0014] Technical effects and advantages of the utility model:

[0015] 1. By setting the waste gas recovery processing mechanism, compared with the prior art, the smoke after incineration is further subjected to oxygen-enriched combustion to release heat, so that the particles in the smoke that are not completely combusted can be further combusted during the waste heat recovery process, thereby reducing the environmental pollution caused by smoke discharge and improving the efficiency of smoke waste heat recovery.

[0016] 2、By setting up the flue gas collecting mechanism, compared with the prior art, the flue gas inside the combustion furnace is concentrated, then the flue gas is sucked in through the duct and the wind scoop, the hazardous waste is made to enter the inside of the combustion furnace through the feeding plate, and the hazardous waste is more convenient to put. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model.

[0018] Figure 2 It is a rear side structure schematic view of the utility model.

[0019] Figure 3 It is a combustion furnace inside structure schematic view of the utility model.

[0020] Figure 4 It is a waste gas recycling treatment mechanism structure schematic view of the utility model.

[0021] Figure 5 It is a heat recovery bucket section structure schematic view of the utility model.

[0022] Figure 6 It is a whole structure schematic view of the utility model. Figure 5 It is an enlarged view of A.

[0023] The figure signs are: 1, support; 2, heat recovery bucket; 3, motor; 4, rotating rod; 5, mixing rod; 6, oxygen tank; 7, gas conveying pipe; 8, on-off valve; 9, water inlet pipe; 10, heat exchange tank; 11, water outlet pipe; 12, fixed rod; 13, stepping motor; 14, gear; 15, first rotating disc; 16, second rotating disc; 17, smoke blocking disc; 18, igniter; 19, smoke suction pipe; 20, fan; 21, duct; 22, combustion furnace; 23, wind scoop; 24, feeding plate; 25, movable seat; 26, baffle. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] The embodiment of the application discloses a waste heat recovery equipment for hazardous waste incineration, which comprises a support 1, and a waste gas recovery treatment mechanism is fixedly connected in the support 1; the waste gas recovery treatment mechanism comprises a heat recovery barrel 2, the heat recovery barrel 2 is fixedly connected with the inner wall of the support 1 at the outside, a motor 3 is installed at the bottom of the heat recovery barrel 2, a rotating rod 4 is fixedly connected with the output end of the motor 3, a mixing rod 5 is clamped at the outside of the rotating rod 4, an oxygen tank 6 is arranged on one side of the support 1, a gas conveying pipe 7 is communicated with the top of the oxygen tank 6, and a switch valve 8 is installed at the outside of the gas conveying pipe 7; a water inlet pipe 9 is inserted into the heat recovery barrel 2, a heat exchange tank 10 is communicated with one end of the water inlet pipe 9, a water outlet pipe 11 is communicated with the top of the heat exchange tank 10, a fixing rod 12 is fixedly connected in the heat recovery barrel 2, a stepping motor 13 is fixedly connected with the outside of the heat recovery barrel 2, a gear 14 is fixedly connected with the output end of the stepping motor 13, a first rotating disc 15 is meshed on one side of the gear 14, the first rotating disc 15 is rotatably connected with the inner wall of the heat recovery barrel 2 at the outside, a second rotating disc 16 is fixedly connected with the top of the heat recovery barrel 2, a smoke baffle 17 is installed on the top of the heat recovery barrel 2, an igniter 18 is arranged at the outside of the heat recovery barrel 2, the stepping motor 13 drives the first rotating disc 15 to rotate, the opening of the first rotating disc 15 and the second rotating disc 16 is kept staggered, the heat recovery barrel 2 is kept sealed, then the motor 3 drives the rotating rod 4 and the mixing rod 5 to fully mix the flue gas and the oxygen in the heat recovery barrel 2, the igniter 18 is used for igniting the gas in the heat recovery barrel 2, the mixed waste gas is fully combusted, the cold water in the heat exchange tank 10 is fully heated, and the efficiency of waste heat recovery is improved.

[0026] As shown in FIG. 1, one side of the heat recovery barrel 2 is provided with a flue gas collecting mechanism. Figure 4 As shown in FIG. 1, one side of the heat recovery barrel 2 is provided with a flue gas collecting mechanism. Figure 3 As shown in FIG. 1, one side of the heat recovery barrel 2 is provided with a flue gas collecting mechanism.

[0027] As shown in FIG. 1, one side of the heat recovery barrel 2 is provided with a flue gas collecting mechanism. Figure 3 As shown in FIG. 1, one side of the heat recovery barrel 2 is provided with a flue gas collecting mechanism.

[0028] The utility model discloses a working principle: before carrying out incineration to waste dangerous article, first rotate the feeding plate 24 along one side of the combustion furnace 22, make the outside of feeding plate 24 and the baffle 26 outside movable seat 25 outside contact, make the baffle 26 to feeding plate 24 support a little, make dangerous waste article can slide to the inside of combustion furnace 22 through feeding plate 24, dangerous waste article carries out incineration in the inside of combustion furnace 22, after that, the smoke produced by incineration gathers in the top of combustion furnace 22, then fan 20 is absorbed through two pipes 21 and wind scooper 23 to the smoke in the inside of combustion furnace 22, make the smoke can enter the inside of heat recovery bucket 2 through smoke pipe 19, and simultaneously, step motor 13 drives gear 14 to mesh transmission to first turntable 15, make the opening of first turntable 15 and the opening of second turntable 16 interlaced, make the inside of heat recovery bucket 2 form a more sealed space, then open switch valve 8 and make the oxygen in oxygen tank 6 enter the inside of heat recovery bucket 2 through gas pipe 7, motor 3 drives rotating rod 4 to rotate, and rotating rod 4 drives two mixing rods 5 to mix the smoke entering the inside of heat recovery bucket 2 through smoke pipe 19 and the oxygen entering from gas pipe 7 fully, then pass through igniter 18 and ignite the gas in the inside of heat recovery bucket 2, make waste gas can carry out further combustion, after that, the heat of smoke inclusion and the heat produced by further combustion heat recovery bucket 2 to heat exchange tank 10, make the cold water in water inlet pipe 9 enter heat exchange tank 10 and absorb enough heat, then pass through water outlet pipe 11 and discharge hot water, to reach the effect that incineration smoke is fully recovered, finally, step motor 13 drives gear 14 to mesh transmission to first turntable 15, make first turntable 15 and the opening of second turntable 16 coincide, make waste gas discharge from the top of heat recovery bucket 2.

[0029] The contents not described in detail in the specification all belong to the prior art known to those skilled in the art, and the model parameters of various appliances are not specifically limited, and conventional equipment can be used. In the technical solution, the appliance control elements not mentioned belong to the prior art, and therefore are not shown in the drawings and will not be described here.

[0030] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A waste incineration heat recovery apparatus comprising a support (1), characterized in that: The support (1) is internally fixedly connected with a waste gas recovery treatment mechanism; The waste gas recovery treatment mechanism comprises a heat recovery barrel (2), the outer side of the heat recovery barrel (2) is fixedly connected with the inner wall of the support (1), a motor (3) is installed at the bottom of the heat recovery barrel (2), the output end of the motor (3) is fixedly connected with a rotating rod (4), a mixing rod (5) is clamped on the outer side of the rotating rod (4), an oxygen tank (6) is arranged on one side of the support (1), a gas conveying pipe (7) is communicated with the top of the oxygen tank (6), and a switch valve (8) is installed on the outer side of the gas conveying pipe (7). The heat recovery barrel (2) is internally inserted with a water inlet pipe (9), one end of the water inlet pipe (9) is communicated with a heat exchange tank (10), the top of the heat exchange tank (10) is communicated with a water outlet pipe (11), the heat recovery barrel (2) is fixedly connected with a fixed rod (12) internally, and the outer side of the heat recovery barrel (2) is fixedly connected with a stepping motor (13).

2. The hazardous waste incineration waste heat recovery apparatus according to claim 1, characterized by: The outer side of the first rotating disc (15) is rotatably connected with the inner wall of the heat recovery barrel (2), and the top of the heat recovery barrel (2) is fixedly connected with a second rotating disc (16).

3. The hazardous waste incineration waste heat recovery apparatus according to claim 1, characterized by: The top of the heat recovery barrel (2) is provided with a smoke baffle (17), and the outer side of the heat recovery barrel (2) is provided with an igniter (18).

4. The hazardous waste incineration waste heat recovery apparatus according to claim 1, characterized by: The heat recovery barrel (2) is provided with a smoke collecting mechanism on one side, the smoke collecting mechanism comprises a smoke suction pipe (19), and the outer side of the smoke suction pipe (19) is provided with a fan (20).

5. The hazardous waste incineration waste heat recovery apparatus according to claim 4, characterized by: One end of the smoke suction pipe (19) is communicated with a conduit (21), and the side of the conduit (21) is fixedly connected with a combustion furnace (22).

6. The hazardous waste incineration waste heat recovery apparatus according to claim 5, characterized by: The inner wall of the combustion furnace (22) is fixedly connected with a wind guide cover (23), and the side of the combustion furnace (22) is rotatably connected with a feeding plate (24).

7. The hazardous waste incineration waste heat recovery apparatus according to claim 6, characterized by: The outer side of the combustion furnace (22) is fixedly connected with two movable seats (25), and the outer side of the movable seat (25) is hingedly connected with a baffle (26).

Citation Information

Patent Citations

  • Novel efficient hazardous waste incineration waste heat recovery treatment device

    CN218721529U