Hazardous waste incinerator auxiliary device with waste gas flow guide structure

By introducing spiral guide vanes and zigzag bends into the auxiliary devices of the hazardous waste incinerator, the problem of turbulent waste gas flow was solved, heat exchange efficiency and incineration effect were improved, and efficient waste gas treatment and heat recovery were achieved.

CN223924834UActive Publication Date: 2026-02-17HEBEI ZUOYING ENVIRONMENTAL ENG TECH CO LTD
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Patent Information

Application Number
CN202520602624.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-02-17
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

When treating hazardous waste incineration exhaust gas, existing liquid heat exchange devices are prone to turbulent flow of the exhaust gas, resulting in low heat exchange efficiency, which affects the incineration effect and pollutant emission control.

Method used

Design an auxiliary device for a hazardous waste incinerator with a waste gas guiding structure, including spiral guide vanes and a zigzag bend channel. The guide vanes create an active suction effect, guiding the waste gas to form a spiral transport and prolonging the contact time between the waste gas and the liquid, thereby enhancing the heat exchange efficiency.

Benefits of technology

Optimize the gas flow field inside the incinerator, improve the efficiency of waste gas treatment, reduce the emission of unburned pollutants and harmful gases, and achieve efficient heat energy recovery and environmental benefits.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hazardous waste incinerator auxiliary device with a waste gas flow guide structure, relates to the technical field of waste gas treatment, and aims to solve the technical problems that waste gas flows disorderly in a liquid heat exchange device and is not in uniform contact with a heat exchange component, so that the heat exchange efficiency is low, and the incineration effect and pollutant emission control are affected. A barrel is arranged in the middle of the interior of the shell, an air inlet connector is arranged at the lower end of the exterior of the barrel and fixed to the lower end of the interior of the shell, an exhaust connector is arranged at the upper end of the exterior of the barrel and fixed to the upper end of the interior of the shell, and a flow guide mechanism is arranged in the middle of the interior of the barrel. And a heat conduction mechanism is arranged at the upper end in the cylinder body. According to the utility model, the six spiral guide vanes form the channel, waste gas flows into the channel to push the vanes to rotate and exhaust gas, and turbulent waste gas is guided to spirally flow, so that the waste gas is effectively guided to orderly flow, and the effects of improving the waste gas treatment efficiency and reducing pollutant emission are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field more specifically, relate to a kind of hazardous waste incinerator auxiliary device with waste gas flow guide structure. BACKGROUND

[0002] As the key equipment for treating hazardous waste, hazardous waste incinerator realizes the reduction and harmlessness of hazardous waste through high-temperature incineration. The waste gas generated by incineration needs to be treated by auxiliary devices, and the liquid heat exchange device is one of the commonly used auxiliary equipment. When the existing liquid heat exchange device is in operation, the cold liquid and the hazardous waste incineration waste gas are in contact with each other, and the heat exchange is realized to recover the waste gas heat energy and reduce the waste gas temperature, thereby reducing the temperature and pressure for the subsequent processing link, and playing a basic supporting role in the waste gas heat energy recovery and preliminary cooling process.

[0003] When some existing liquid heat exchange devices treat hazardous waste incineration waste gas, the waste gas entering the device may flow in a disorderly manner. Such disorderly airflow state may cause the waste gas to not uniformly contact the heat exchange components, thereby affecting the heat exchange efficiency. In addition, the unreasonable flow of waste gas may interfere with the airflow stability of the incineration system to some extent, thereby affecting the sufficiency of the incineration process. In view of this, we propose a hazardous waste incinerator auxiliary device with a waste gas flow guide structure. SUMMARY

[0004] The utility model aims at overcoming the shortcomings of the prior art, adapting to the actual needs, and providing a hazardous waste incinerator auxiliary device with a waste gas flow guide structure to solve the technical problems of waste gas flowing in a disorderly manner in the liquid heat exchange device, not uniformly contacting the heat exchange components, thereby causing low heat exchange efficiency and affecting the incineration effect and pollutant emission control.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a hazardous waste incinerator auxiliary device with a waste gas flow guide structure, comprising a shell, a cylinder is arranged inside the shell, an air inlet is arranged at the lower end of the outer cylinder, and the air inlet is fixed to the lower end of the shell, an air outlet is arranged at the upper end of the outer cylinder, and the air outlet is fixed to the upper end of the shell, a flow guide mechanism is arranged in the middle of the inner cylinder, and a heat conduction mechanism is arranged at the upper end of the inner cylinder.

[0006] The flow guide mechanism comprises a bracket A, a shaft and a flow guide blade, the flow guide blade is provided with six, the six flow guide blades are evenly installed on the side surface of the shaft in a spiral shape, flow guide grooves are arranged between the six flow guide blades, the shaft is rotatably installed on the bracket A, and the bracket A is fixed in the cylinder.

[0007] Preferably, the heat conduction mechanism comprises a support B, a heat conduction pipe arranged on the support B, a heat conduction sheet arranged on the heat conduction pipe, the heat conduction sheet being in a wave structure shape, one end of the heat conduction pipe being connected with a liquid pipe A, and the other end of the heat conduction pipe being connected with a liquid pipe B.

[0008] Preferably, a rotary joint A is arranged in the middle of the outer upper end of the shaft rod, the rotary joint A being connected with the liquid pipe B, a rotary joint B is arranged in the middle of the lower end of the outer shaft rod, and the rotary joint B is connected with a liquid pipe C.

[0009] Preferably, a support rod is arranged on the side of the lower end of the outer shaft rod, and a flow guide head is fixed on the support rod, the flow guide head being in a conical structure shape.

[0010] Preferably, a flow distribution cavity is arranged in the upper end of the inner shaft rod, the flow distribution cavity being connected with the rotary joint A, an aggregation cavity is arranged in the lower end of the inner shaft rod, and the aggregation cavity is connected with the rotary joint B.

[0011] Preferably, a cavity is arranged in the flow guide blade, the upper end of the cavity being connected with the flow distribution cavity, the lower end of the cavity being connected with the aggregation cavity, and the cavity being in a zigzag bending structure shape.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The flow guide blade structure is designed, the flow guide blade is arranged as six, is installed in the shaft rod side in spiral shape, forms the flow guide groove between the adjacent blades, when the waste gas produced by the combustion in the hazardous waste incinerator enters the cylinder through the air inlet, the waste gas flows into the flow guide groove and drives the flow guide blade to rotate, forms the initiative air exhaust effect, strengthens the waste gas transmission power, in this process, the spiral distribution flow guide blade orderly guides the turbulent state waste gas, converts the disorderly airflow into the spiral transmission airflow, not only optimizes the gas flow field in the incinerator, prolongs the effective residence time of the waste gas in the auxiliary device, improves the overall waste gas treatment efficiency, helps the full combustion of the incineration process, reduces the unburned pollutants and harmful gas emissions from the source, realizes the double promotion of hazardous waste incineration treatment efficiency and environmental protection benefit.

[0014] 2. The cavity structure is designed, when the liquid in the liquid pipe B is transmitted to the flow distribution cavity, can be evenly distributed to the inside of the cavity, and the waste gas in the flow guide groove is fully heat exchanged, realizes the heating of the cold liquid in the cavity, based on the spiral flow guide blade structure, the contact time of the waste gas with the liquid is prolonged in the transmission process, the heat exchange efficiency is effectively improved, and the cavity adopts the zigzag bending structure shape design so that the liquid can make the motion of the flow in the internal bending channel after entering the cavity, the residence time in the cavity is increased, the liquid and the waste gas in the flow guide groove are heat exchanged more persistently, the heat exchange efficiency is further strengthened, and high-efficiency heat energy recovery is realized.

[0015] 3、The utility model discloses a heat conduction piece and heat conduction pipe structure are designed, when liquid pipe A sends the cold liquid to the heat conduction pipe, the hot exhaust gas in the cylinder can carry out the first heating to the cold liquid in the heat conduction pipe, and the undulating structure design of heat conduction piece greatly expands the contact area with the hot exhaust gas in the cylinder with the undulating bending structure, compared with the conventional plane structure, the contact area can improve 30%-50%, and the undulating heat conduction piece can directly enhance the heat conduction efficiency of the hot exhaust gas and itself in the heat exchange process. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the front view appearance structure schematic drawing of the utility model;

[0017] Figure 2 It is the front view internal structure schematic drawing of the utility model;

[0018] Figure 3 It is the flow guide mechanism plan view structure schematic drawing of the utility model;

[0019] Figure 4 It is the flow guide mechanism elevation structure schematic drawing of the utility model;

[0020] Figure 5 It is the flow guide vane internal plan view structure schematic drawing of the utility model;

[0021] Figure 6 It is the flow guide vane internal elevation structure schematic drawing of the utility model;

[0022] Figure 7 It is the cavity internal structure schematic drawing of the utility model;

[0023] Figure 8 It is the heat conduction mechanism structure schematic drawing of the utility model.

[0024] Mark explanation in drawing:

[0025] 1, shell, 2, cylinder, 3, gas inlet, 4, exhaust port, 5, flow guide mechanism, 501, support A, 502, shaft, 503, flow guide vane, 504, flow guide channel, 505, rotary joint A, 506, rotary joint B, 507, support rod, 508, flow guide head, 509, shunt cavity, 5010, gathering cavity, 5011, cavity, 6, heat conduction mechanism, 601, support B, 602, heat conduction pipe, 603, heat conduction piece, 7, liquid pipe A, 8, liquid pipe B, 9, liquid pipe C. DETAILED DESCRIPTION

[0026] As Figures 1 to 8The utility model relates to a kind of hazardous waste incinerator auxiliary devices with waste gas flow guide structure, including shell 1, shell 1 inside middle is arranged with cylinder 2, cylinder 2 outside lower end is arranged with air inlet 3, and air inlet 3 is fixed in shell 1 inside lower end, cylinder 2 outside upper end is arranged with exhaust port 4, and exhaust port 4 is fixed in shell 1 inside upper end, cylinder 2 inside middle is arranged with flow guide mechanism 5, cylinder 2 inside upper end is arranged with heat conduction mechanism 6.

[0027] Flow guide mechanism 5 includes support A 501, shaft 502 and flow guide vane 503, flow guide vane 503 is equipped with six, six flow guide vanes 503 are evenly installed in the helical shape on the side of shaft 502, flow guide groove 504 is arranged between six flow guide vanes 503, shaft 502 is rotatably installed on support A 501, and support A 501 is fixed in cylinder 2. The utility model is designed by flow guide vane 503 structure, the flow guide vane 503 is set to six, is evenly installed in the helical shape on the side of shaft 502, forms flow guide groove 504 between adjacent blades, when the waste gas produced by combustion in hazardous waste incinerator enters cylinder 2 through air inlet 3, waste gas flows into flow guide groove 504 and drives flow guide vane 503 to rotate, forms active air extraction effect, strengthens waste gas transmission power, in this process, the helically distributed flow guide vane 503 orderly guides the waste gas in turbulent state, converts disorderly airflow into helical transmission airflow, not only optimizes the gas flow field in incinerator, prolongs the effective residence time of waste gas in auxiliary device, improves overall waste gas treatment efficiency, helps full combustion process, reduces unburned pollutants and harmful gas emissions from source, realizes the double promotion of hazardous waste incineration treatment efficiency and environmental protection benefit.

[0028] In the embodiment of the utility model, heat conduction mechanism 6 includes support B 601, support B 601 is arranged with heat pipe 602, heat pipe 602 is arranged with heat conduction sheet 603, heat conduction sheet 603 is in the shape of wave structure, one end of heat pipe 602 is connected with liquid pipe A 7, the other end of heat pipe 602 is connected with liquid pipe B 8. The utility model is designed by heat conduction sheet 603 and heat pipe 602 structure, when liquid pipe A 7 delivers cold liquid into heat pipe 602, hot waste gas in cylinder 2 can primary heat the cold liquid in heat pipe 602, and the structure of fluctuation bending of wave-shaped heat conduction sheet 603 greatly expands the contact area with hot waste gas in cylinder 2, compared with conventional plane structure, contact area can be improved by 30%-50%, wave-shaped heat conduction sheet 603 can directly enhance the heat conduction efficiency of hot waste gas and itself in heat exchange process.

[0029] In the embodiment of the utility model, the outer upper end of the shaft 502 is connected with a rotary joint A 505 in the middle, the rotary joint A 505 is connected with the liquid pipe B 8, the outer lower end of the shaft 502 is connected with a rotary joint B 506 in the middle, and the rotary joint B 506 is connected with the liquid pipe C 9. The utility model discloses a rotary joint A 505 and a rotary joint B 506 structure are designed, one end of the liquid pipe B 8 and the liquid pipe C 9 can be connected with transmission liquid, and the shaft 502 does not rotate with the liquid pipe B 8 and the liquid pipe C 9 when rotating, which realizes normal liquid transmission without affecting the rotating effect.

[0030] In the embodiment of the utility model, the outer lower end side of the shaft 502 is connected with a support rod 507, the support rod 507 is fixed with a flow guide head 508, and the flow guide head 508 is in a conical structure shape. The flow guide head 508 in the conical structure shape breaks the hot waste gas entering the cylinder 2 through the air inlet 3, guides the hot waste gas into the plurality of flow guide grooves 504 after breaking, and shields the connection between the liquid pipe C 9 and the rotary joint B 506, avoids direct impact of the hot waste gas on the connection, and prolongs the service life of the connection.

[0031] In the embodiment of the utility model, the inner upper end of the shaft 502 is provided with a shunt cavity 509, the upper end of the shunt cavity 509 is connected with the rotary joint A 505, the inner lower end of the shaft 502 is provided with an aggregation cavity 5010, and the lower end of the aggregation cavity 5010 is connected with the rotary joint B 506. The utility model discloses a shunt cavity 509 and an aggregation cavity 5010 structure are designed, the liquid input into the liquid pipe B 8 through the rotary joint A 505 can be divided and transmitted into the cavity 5011 provided in the plurality of flow guide vanes 503, and the liquid in the cavity 5011 can be aggregated and transmitted into the liquid pipe C 9 through the aggregation cavity 5010 after heat exchange, which realizes the effect of shunt transmission and aggregation transmission.

[0032] In the embodiment of the utility model, the cavity 5011 is arranged in the guide vane 503, the upper end of the cavity 5011 is communicated with the shunt cavity 509, the lower end of the cavity 5011 is communicated with the gathering cavity 5010, and the cavity 5011 is in the shape of a zigzag bending structure. The utility model discloses a cavity 5011 structure, when the liquid in the liquid pipe B8 is transmitted to the shunt cavity 509, the liquid can be uniformly shunted to the inside of the cavity 5011, and the liquid can be fully heat exchanged with the waste gas in the guide groove 504, so that the liquid in the cavity 5011 is heated, based on the spiral guide vane 503 structure, the contact time of the waste gas with the liquid is prolonged during transmission, the heat exchange efficiency is effectively improved, the cavity 5011 is designed in the shape of a zigzag bending structure, so that the liquid can flow in the inside of the cavity 5011 after entering the cavity 5011, the residence time of the liquid in the cavity 5011 is increased, the liquid and the waste gas in the guide groove 504 are heat exchanged for a longer time, the heat exchange efficiency is further improved, and high-efficiency heat energy recovery is realized.

[0033] Working principle: the embodiment provides a hazardous waste incinerator auxiliary device with waste gas guide structure, when in use, the staff needs to connect power supply to the utility model first, controls the utility model to run through the control panel, when the hazardous waste incinerator burns hazardous waste and produces waste gas, the waste gas will be discharged to the inside of the cylinder 2 through the gas inlet interface 3 connected with it, after being discharged to the inside of the cylinder 2, the waste gas will enter the guide groove 504 between the plurality of guide vanes 503, the guide vane 503 will rotate based on the support A 501 under the push of the hot waste gas, the rotating guide vane 503 will guide the turbulent hot waste gas to become spiral airflow, the hot gas is transmitted to the inside of the heat conduction mechanism 6 through the rotation of the guide vane 503, when the hot waste gas enters the heat conduction mechanism 6, it will first contact the wave-shaped heat conduction sheet 603, and the heat in the inside of the heat conduction sheet 603 is conducted to the heat conduction sheet 603, the heat is transmitted to the inside of the heat conduction pipe 602 through the conduction of the heat conduction sheet 603, the liquid in the liquid pipe A7 is heated, and the primary heat exchange operation is completed, the gas after heat exchange is conducted to the gas outlet interface 4 through the heat conduction sheet 603, and is discharged to the next gas treatment equipment through the gas outlet interface 4, and the liquid after heat exchange is transported to the shunt cavity 509 through the liquid pipe B8, and the liquid is transmitted to the cavity 5011 arranged in the plurality of guide vanes 503 through the shunt cavity 509, the liquid in the cavity 5011 flows back and forth in the inside of the cavity 5011 under the bending structure, so that the liquid can contact and heat exchange with the hot waste gas flowing in the guide groove 504 for a long time, the liquid after secondary heat exchange is finally gathered through the gathering cavity 5010 and is discharged to the inside of the pump body through the liquid pipe C9, and the pump body is used to pump the liquid to the equipment to be used.

[0034] The utility model discloses an embodiment discloses the better embodiment, but is not limited to this, and the ordinary skill of the art, the spirit of the utility model is appreciated to the above -mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are in the protection range of the utility model.

Claims

1. An auxiliary device for a hazardous waste incinerator with a waste gas guiding structure, comprising a shell (1), characterized in that: A cylindrical body (2) is arranged in the middle of the outer shell (1). An air inlet (3) is arranged at the lower end of the outer shell (2) and the air inlet (3) is fixed at the lower end of the outer shell (1). An exhaust port (4) is arranged at the upper end of the outer shell (2) and the exhaust port (4) is fixed at the upper end of the outer shell (1). A flow guiding mechanism (5) is arranged in the middle of the inner shell (2). A heat conduction mechanism (6) is arranged at the upper end of the inner shell (2). The flow guiding mechanism (5) includes a bracket A (501), a shaft (502), and flow guiding blades (503). There are six flow guiding blades (503), which are evenly installed in a spiral shape on the side of the shaft (502). A flow guiding channel (504) is provided between the six flow guiding blades (503). The shaft (502) is rotatably mounted on the bracket A (501), and the bracket A (501) is fixed inside the cylinder (2).

2. The auxiliary device for a hazardous waste incinerator with a waste gas guiding structure according to claim 1, characterized in that: The heat conduction mechanism (6) includes a support B (601), on which a heat conduction pipe (602) is arranged, and on which a heat conduction plate (603) is arranged, the heat conduction plate (603) having a wave-like structure, one end of the heat conduction pipe (602) being connected to a liquid pipe A (7), and the other end of the heat conduction pipe (602) being connected to a liquid pipe B (8).

3. The auxiliary device for a hazardous waste incinerator with a waste gas guiding structure according to claim 2, characterized in that: A rotary joint A (505) is connected to the middle of the upper outer end of the shaft (502), and the rotary joint A (505) is connected to the liquid pipe B (8). A rotary joint B (506) is connected to the middle of the lower outer end of the shaft (502), and a liquid pipe C (9) is connected to the rotary joint B (506).

4. An auxiliary device for a hazardous waste incinerator with a waste gas guiding structure according to claim 3, characterized in that: A support rod (507) is connected to the lower side of the shaft (502), and a guide head (508) is fixed on the support rod (507). The guide head (508) has a conical structure.

5. An auxiliary device for a hazardous waste incinerator with a waste gas guiding structure according to claim 4, characterized in that: The upper end of the shaft (502) is provided with a flow-dividing cavity (509), the upper end of which is connected to the rotary joint A (505). The lower end of the shaft (502) is provided with a gathering cavity (5010), the lower end of which is connected to the rotary joint B (506).

6. An auxiliary device for a hazardous waste incinerator with a waste gas guiding structure according to claim 5, characterized in that: The guide vane (503) has a cavity (5011) inside. The upper end of the cavity (5011) is connected to the diversion cavity (509), and the lower end of the cavity (5011) is connected to the collection cavity (5010). The cavity (5011) has a zigzag bent structure.