High-temperature waste gas waste heat recovery device

Abstract

The utility model relates to the field of waste heat recovery, in particular to a high-temperature waste gas waste heat recovery device which comprises a box body. The left side surface of the box body is provided with the air inlet pipe, the right positions of the front and rear sides of the inner surface of the air inlet pipe are rotatably connected with the rotating shaft, the outer surface of the rotating shaft is provided with the circumferentially distributed blades, and the front end of the rotating shaft penetrates through the front side wall of the air inlet pipe and is connected with the generator; by arranging the rotating shaft and the blades, when flowing waste gas passes through the blades and is blocked by the blades, the blades and the rotating shaft can be blown to rotate, the rotating shaft rotates to act on the generator to enable the generator to generate electricity, and generated electric energy enters the storage battery through the cable and is stored by the storage battery to be used for supplying power to equipment. Therefore, the flowing force of the waste gas can be utilized to generate electricity while the temperature of the waste gas is utilized, and the use cost of equipment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of waste heat recovery, especially relates to a high temperature waste gas waste heat recovery device. BACKGROUND

[0002] The high temperature waste gas waste heat recovery device is a kind of equipment for recycling heat energy in high temperature flue gas, it converts the heat in high temperature waste gas into useful energy by absorbing and converting, to improve energy use efficiency and reduce environmental pollution.

[0003] The existing high temperature waste gas waste heat recovery device can only recycle the heat of waste gas when in use, but cannot generate electricity using waste gas flow, and the flow of waste gas in the pipeline can drive the power generation equipment to convert electric energy, and the lack of the structure will lead to the problem of high overall use cost.

[0004] Therefore, in view of the above-mentioned problem that the existing high temperature waste gas waste heat recovery device can only recycle the heat of waste gas when in use, but cannot generate electricity using flowing waste gas, leading to high overall use cost, a high temperature waste gas waste heat recovery device can be designed, by setting a rotating shaft and a blade, when the flowing waste gas passes through the blade, it is blocked by the blade, and blows the blade and the rotating shaft to rotate, the rotation of the rotating shaft acts on the generator to make the generator generate electricity, the generated electric energy enters the inside of the storage battery through the cable, and is stored by the storage battery, for power supply to the equipment, so that the flow force of waste gas can be used to generate electricity while using the temperature of waste gas, reducing the use cost of the equipment. SUMMARY

[0005] In order to overcome the problem that the existing high temperature waste gas waste heat recovery device can only recycle the heat of waste gas when in use, but cannot generate electricity using flowing waste gas, leading to high overall use cost.

[0006] The technical scheme of the utility model is as follows: a high temperature waste gas waste heat recovery device, comprising a box body, an air inlet pipe, a rotating shaft, a blade, a generator, a mounting bracket, a storage battery and a cable, the left side surface of the box body is provided with the air inlet pipe, the inner surface of the air inlet pipe is rotatably connected with the rotating shaft at the right position of the front and rear sides, the outer surface of the rotating shaft is provided with circumferentially distributed blades, the front end of the rotating shaft penetrates the front side wall of the air inlet pipe and is connected with the generator, the left side surface of the box body is provided with the mounting bracket at the front side position of the air inlet pipe, the upper surface of the mounting bracket is provided with the storage battery, the left side surface of the storage battery is connected with one end of the cable, and the other end of the cable is connected with the generator.

[0007] Preferably, by setting the rotating shaft and the blade, when the flowing waste gas passes through the blade, the blade is blocked and blows the blade and the rotating shaft to rotate, the rotation of the rotating shaft acts on the generator to make the generator generate electricity, the generated electric energy enters the inside of the storage battery through the cable and is stored by the storage battery for power supply, so that the flow force of the waste gas can be utilized for power generation while the temperature of the waste gas is utilized, the use cost of the equipment is reduced, and the problem that the existing high-temperature waste gas waste heat recovery device can only recover and utilize the heat of the waste gas but cannot utilize the flowing waste gas for power generation, resulting in high overall use cost is solved.

[0008] Preferably, the upper surface of the air inlet pipe is inserted with a filter screen at a left position, the inner surface of the air inlet pipe is provided with an ash discharge groove at a left position of the filter screen, and the bottom surface of the air inlet pipe is provided with an electromagnetic valve at a position corresponding to the ash discharge groove.

[0009] Preferably, the front and rear surfaces of the filter screen are provided with sliding blocks, and the top surface of the filter screen is provided with a pull rod.

[0010] Preferably, one end of the gas conveying pipe is arranged at a position corresponding to the air inlet pipe on the left side of the inner surface of the box body, the other end of the gas conveying pipe penetrates through the right side wall of the box body, a water inlet is arranged at a right position on the bottom surface of the box body, and a water outlet is arranged at a left position on the bottom surface of the box body.

[0011] Preferably, the ports of the gas conveying pipe, the water inlet and the water outlet are provided with connecting flanges, and the gas conveying pipe has an S-shaped structure.

[0012] Preferably, a fixed frame is arranged at a left position of the water inlet on the bottom surface of the box body, a driving motor is arranged on the upper surface of the fixed frame, a driving gear is arranged at the output end of the driving motor, a stirring rod penetrates through and is rotatably connected to the bottom surface of the box body at a middle position, a driven gear is arranged on the bottom surface of the stirring rod, and the driving gear is engaged with the driven gear.

[0013] Preferably, the upper surface of the box body is provided with a top cover, the upper surfaces of the corners of the top cover are provided with fixing pieces, the upper surfaces of the fixing pieces are provided with fixing bolts, and the top cover is fixed to the box body by the fixing bolts.

[0014] The utility model discloses the beneficial effect:

[0015] 1. By setting the rotating shaft and the blade, when the flowing exhaust gas passes through the blade, it is blocked by the blade and blows the blade and the rotating shaft to rotate, the rotation of the rotating shaft acts on the generator to make the generator generate electricity, the generated electric energy enters the inside of the storage battery through the cable and is stored by the storage battery, which is used to power the equipment, so that the flow force of the exhaust gas can be used to generate electricity while using the temperature of the exhaust gas, thereby reducing the use cost of the equipment, so as to solve the problem that the existing high-temperature exhaust gas waste heat recovery device can only recover and utilize the heat of the exhaust gas in use, but cannot utilize the flowing exhaust gas to generate electricity, resulting in high overall use cost. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A high-temperature exhaust gas waste heat recovery device is shown in the three-dimensional structure schematic view.

[0017] Figure 2 A high-temperature exhaust gas waste heat recovery device is shown in the three-dimensional structure schematic view.

[0018] Figure 3 A high-temperature exhaust gas waste heat recovery device is shown in the three-dimensional structure schematic view.

[0019] Figure 4 A high-temperature exhaust gas waste heat recovery device is shown in the three-dimensional structure schematic view.

[0020] Figure 5 A high-temperature exhaust gas waste heat recovery device is shown in the three-dimensional structure schematic view.

[0021] BRIEF DESCRIPTION OF DRAWINGS: 1, box; 2, air inlet pipe; 3, rotating shaft; 4, blade; 5, generator; 6, mounting bracket; 7, storage battery; 8, cable; 9, filter screen; 10, ash chute; 11, electromagnetic valve; 12, sliding block; 13, pull rod; 14, gas conveying pipe; 15, water inlet; 16, water outlet; 17, connecting flange; 18, fixing frame; 19, driving motor; 20, driving gear; 21, driven gear; 22, stirring rod; 23, top cover; 24, fixed sheet; 25, fixed bolt. DETAILED DESCRIPTION

[0022] The utility model will be further explained in connection with the drawings and examples.

[0023] Please refer to Figures 1-5The utility model provides a kind of embodiment: a high-temperature waste gas waste heat recovery device, including box 1;Still including air inlet pipe 2, rotating shaft 3, blade 4, generator 5, mounting bracket 6, battery 7 and cable 8, the left surface of box 1 is provided with air inlet pipe 2, the inner surface of air inlet pipe 2 is rotationally connected with rotating shaft 3 in right position of front and back two sides, the outer surface of rotating shaft 3 is provided with circumferentially distributed blade 4, the front end of rotating shaft 3 is connected with generator 5 and penetrates the front side wall of air inlet pipe 2, the left surface of box 1 is provided with mounting bracket 6 in front side position of air inlet pipe 2, the upper surface of mounting bracket 6 is provided with battery 7, one end of the left surface of battery 7 is connected with cable 8, the other end of cable 8 is connected with generator 5, by being provided with rotating shaft 3 and blade 4, when flowing waste gas passes through blade 4, be obstructed by blade 4, will blow blade 4 and rotating shaft 3 and rotate, the rotation of rotating shaft 3 acts on generator 5 to make generator 5 generate electricity, the electric energy generated will enter the inside of battery 7 by cable 8, and be stored by battery 7, for power supply to equipment, to be able to utilize the force of its flow to generate electricity while utilizing waste gas temperature, reduce the use cost of equipment, to solve the problem that existing high-temperature waste gas waste heat recovery device can only recover and utilize the heat of waste gas when using, but cannot generate electricity using flowing waste gas, leading to overall use cost is high.

[0024] Please refer to Figures 1-5 In the embodiment, the upper surface of air inlet pipe 2 is inserted with filter screen 9 in left position, the inner surface bottom of air inlet pipe 2 is provided with ash chute 10 in left position of filter screen 9, the bottom surface of air inlet pipe 2 is provided with electromagnetic valve 11 in position corresponding to ash chute 10, by being provided with filter screen 9, the particulate matter doped in waste gas can be filtered, the particulate matter will be obstructed by filter screen 9 and fall in the inside of ash chute 10, when opening electromagnetic valve 11, the particulate matter will fall down through the pipeline of electromagnetic valve 11, both sides surfaces of filter screen 9 are provided with sliding block 12, the top surface of filter screen 9 is provided with pull rod 13, filter screen 9 is slidably connected with air inlet pipe 2 by sliding block 12, by being provided with sliding block 12 and pull rod 13, when pulling pull rod 13, filter screen 9 can be easily taken out, convenient for replacement and daily cleaning, the left side of the inner surface of box 1 is provided with one end of gas delivery pipe 14 in position corresponding to air inlet pipe 2, the other end of gas delivery pipe 14 penetrates the right side wall of box 1, the right side position of the bottom surface of box 1 is provided with water inlet 15, the left side position of the bottom surface of box 1 is provided with water outlet 16, by being provided with water inlet 15, low-temperature water will enter the inside of box 1 through water inlet 15, high-temperature waste gas circulates in the inside of gas delivery pipe 14, to realize heat exchange, heated water can be discharged from water outlet 16 position, to realize the waste heat recovery utilization of high-temperature waste gas.

[0025] Please refer to Figures 1-5In the embodiment, the port positions of the gas delivery pipe 14, the water inlet 15 and the water outlet 16 are provided with connecting flanges 17, the gas delivery pipe 14 is designed in an S shape, which can increase the contact area with the low-temperature water in the box 1, thereby improving the heat exchange effect, and the connecting flanges 17 can facilitate the butt joint installation with external pipelines, the bottom surface of the box 1 is provided with a fixed frame 18 at the left position of the water inlet 15, the upper surface of the fixed frame 18 is provided with a driving motor 19, the output end of the driving motor 19 is provided with a driving gear 20, the bottom surface of the box 1 is provided with a stirring rod 22 which penetrates and is sealingly connected, the bottom surface of the stirring rod 22 is provided with a driven gear 21, the driving gear 20 is engaged with the driven gear 21, the driving motor 19 is provided, and the output end of the driving motor 19 drives the driving gear 20 to rotate, the driving gear 20 drives the driven gear 21 to rotate synchronously when rotating, thereby driving the stirring rod 22 to rotate, so as to stir the low-temperature water in the box 1, improve the uniformity of heat exchange, the upper surface of the box 1 is provided with a top cover 23, the upper surface of the top cover 23 is provided with fixed pieces 24 at the corner positions, the upper surface of the fixed pieces 24 is provided with fixed bolts 25, the top cover 23 is fixed to the box 1 through the fixed bolts 25, and the fixed bolts 25 can facilitate the dismounting of the top cover 23, thereby facilitating the maintenance and cleaning of the inside of the box 1.

[0026] In operation, the filter screen 9 can filter the particulate matter mixed in the exhaust gas, and the particulate matter is blocked by the filter screen 9 and falls into the ash chute 10, when the electromagnetic valve 11 is opened, the particulate matter falls downward through the pipeline of the electromagnetic valve 11, the sliding block 12 and the pull rod 13 are provided, and the filter screen 9 can be easily taken out when the pull rod 13 is pulled, thereby facilitating replacement and daily cleaning, the water inlet 15 is provided, the low-temperature water enters the inside of the box 1 through the water inlet 15, the high-temperature exhaust gas flows in the gas delivery pipe 14, thereby realizing heat exchange, the heated water can be discharged from the water outlet 16, thereby realizing the waste heat recovery and utilization of the high-temperature exhaust gas, the gas delivery pipe 14 is designed in an S shape, which can increase the contact area with the low-temperature water in the box 1, thereby improving the heat exchange effect, and the connecting flanges 17 can facilitate the butt joint installation with external pipelines, the driving motor 19 is provided, and the output end of the driving motor 19 drives the driving gear 20 to rotate in operation, the driving gear 20 drives the driven gear 21 to rotate synchronously when rotating, thereby driving the stirring rod 22 to rotate, so as to stir the low-temperature water in the box 1, improve the uniformity of heat exchange, and the fixed bolts 25 can facilitate the dismounting of the top cover 23, thereby facilitating the maintenance and cleaning of the inside of the box 1.

[0027] Through the above steps, by setting the rotating shaft 3 and the blade 4, when the flowing waste gas passes through the blade 4, the blade 4 is blocked, and the blade 4 is blown to rotate with the rotating shaft 3. The rotation of the rotating shaft 3 acts on the generator 5 to make the generator 5 generate electricity. The generated electric energy enters the inside of the storage battery 7 through the cable 8 and is stored by the storage battery 7 for power supply of the equipment. Thus, the waste gas temperature can be utilized at the same time, the flowing force can be utilized for power generation, the use cost of the equipment is reduced, and the problem that the existing high-temperature waste gas waste heat recovery device can only recover and utilize the heat of the waste gas in use, but cannot utilize the flowing waste gas for power generation, resulting in high overall use cost is solved.

Claims

1. A high-temperature exhaust gas waste heat recovery device comprising a box (1); characterized in that: It also includes the air inlet pipe (2), the rotating shaft (3), the blade (4), the generator (5), the mounting bracket (6), the battery (7) and the cable (8), the left surface of the box (1) is provided with the air inlet pipe (2), the inner surface of the air inlet pipe (2) is rotatably connected with the rotating shaft (3) at the right position of the front and rear sides, the outer surface of the rotating shaft (3) is provided with the circumferentially distributed blade (4), the front end of the rotating shaft (3) is connected with the generator (5) penetrating through the front side wall of the air inlet pipe (2), the left surface of the box (1) is provided with the mounting bracket (6) at the front side position of the air inlet pipe (2), the upper surface of the mounting bracket (6) is provided with the battery (7), one end of the cable (8) is connected with the left surface of the battery (7), the other end of the cable (8) is connected with the generator (5).

2. A high temperature exhaust gas waste heat recovery device according to claim 1, characterized in that: The upper surface of the air inlet pipe (2) is inserted with the filter screen (9) at the left position, the inner surface of the air inlet pipe (2) is provided with the ash chute (10) at the left position of the filter screen (9), the bottom surface of the air inlet pipe (2) is provided with the electromagnetic valve (11) corresponding to the position of the ash chute (10).

3. A high temperature exhaust gas waste heat recovery device according to claim 2, characterized in that: The front and rear surfaces of the filter screen (9) are provided with the sliding block (12), the top surface of the filter screen (9) is provided with the pull rod (13), and the filter screen (9) is slidably connected with the air inlet pipe (2) through the sliding block (12).

4. The high-temperature exhaust gas waste heat recovery device according to claim 1, characterized by: The inner surface of the box (1) is provided with one end of the gas conveying pipe (14) corresponding to the position of the air inlet pipe (2) at the left side, the other end of the gas conveying pipe (14) penetrates through the right side wall of the box (1), the right side position of the bottom surface of the box (1) is provided with the water inlet (15), and the left side position of the bottom surface of the box (1) is provided with the water outlet (16).

5. A high temperature exhaust gas waste heat recovery device according to claim 4, characterized in that: The port positions of the gas conveying pipe (14), the water inlet (15) and the water outlet (16) are provided with the connecting flanges (17), and the gas conveying pipe (14) is in S-shaped structure.

6. A high temperature exhaust gas waste heat recovery device according to claim 4, characterized in that: The bottom surface of the box (1) is provided with the fixing frame (18) at the left side position of the water inlet (15), the upper surface of the fixing frame (18) is provided with the driving motor (19), the output end of the driving motor (19) is provided with the driving gear (20), the bottom surface of the box (1) is rotatably connected with the stirring rod (22) penetrating through the sealing, the bottom surface of the stirring rod (22) is provided with the driven gear (21), and the driving gear (20) is engaged with the driven gear (21).

7. The high-temperature exhaust gas waste heat recovery device according to claim 1, characterized by: The upper surface of the box (1) is provided with the top cover (23), the upper surface of the top cover (23) is provided with the fixing piece (24) at the corner position, the upper surface of the fixing piece (24) is provided with the fixing bolt (25), and the top cover (23) is fixed with the box (1) through the fixing bolt (25).

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