CN222849837U

CN222849837U - A flue gas waste heat recovery structure

Info

Publication number: CN222849837U
Application number: CN202421432737.6U
Authority: CN
Inventors: 吴勇波; 蔡文清
Original assignee: Anhui Mutong Intelligent Kitchen Appliance Manufacturing Co ltd
Current assignee: Anhui Mutong Intelligent Kitchen Appliance Manufacturing Co ltd
Priority date: 2024-06-21
Filing date: 2024-06-21
Publication date: 2025-05-09
Anticipated expiration: 2034-06-21

Abstract

The utility model provides a flue gas waste heat recovery structure, including supporting the base, the gear protection casing, retrieve the processing case, place support frame and heat exchange component, heat exchange component includes the condensation heat transfer pipe, the quantity of condensation heat transfer pipe sets up to three, and three condensation heat transfer pipe evenly arranges in the inside of retrieving the processing case, the both ends of three condensation heat transfer pipe all run through the processing case of retrieving and extend to the both sides of retrieving the processing case, the bottom rotation of retrieving the processing incasement wall is connected with the rotation stirring vane, the top rotation of retrieving the processing incasement wall is connected with the axis of rotation, through setting up the heat exchange component, the rotation stirring vane rotates and drives the cold water stirring of retrieving the processing incasement bottom, stir the sufficient flow of the interior cold water of processing case of rotating, thereby contact with condensation heat transfer pipe better, can fully carry out the heat transfer, avoid leading to the condition that the heat naturally loses because of extension heat transfer time, and then the efficiency of preheating recovery has been improved.

Description

Flue gas waste heat recovery structure

Technical Field

The utility model relates to the technical field of flue gas waste heat treatment, in particular to a flue gas waste heat recovery structure.

Background

The flue gas waste heat treatment means that high-temperature heat energy contained in flue gas generated by combustion or other reasons in the industrial production process is effectively recycled and utilized, and the treatment mode can reduce the waste of energy sources, reduce the production cost, reduce the environmental pollution and realize green production.

One Chinese patent with the publication number of CN214745867U discloses a flue gas waste heat recovery device which comprises a gas pot, a gas stove, a water storage tank and a smoke discharging cavity, wherein the gas pot is arranged right above the gas stove, the water storage tank is arranged right below the gas stove, the smoke discharging cavity is arranged right below the water storage tank, the gas stove comprises an air input port, a flue gas output port and a combustion frame, the combustion frame is arranged in the middle of the gas stove, the top end of the combustion frame can uniformly emit fuel gas, flame is generated at the top end of the combustion frame after the combustion frame is ignited, the gas pot above the combustion frame is heated, a plurality of flue gas output ports are uniformly formed in the cylindrical side wall of the gas stove, and high-temperature flue gas with a large amount of waste heat flows out of the gas stove from the flue gas output ports.

As described above, this patent provides a flue gas waste heat recovery device, it can control the size of hot water export and water inlet according to the temperature in the storage water tank, can realize the automatic water and the output of hot water of storage water tank, however its whole when carrying out waste heat recovery, the mode that prolongs the heat transfer time with water and flue gas in the storage water tank improves heat exchange efficiency, and the heat of unavoidable some flue gas can naturally scatter and disappear, and then leads to the flue gas insufficient with the contact surface of water, and waste heat recovery's efficiency still remains to improve.

Disclosure of utility model

The utility model provides a flue gas waste heat recovery structure for solving the problems in the background technology.

In order to solve the problems, the utility model provides a flue gas waste heat recovery structure, which comprises a supporting base, a gear protection cover, a recovery processing box, a placement support frame and a heat exchange component, wherein the heat exchange component comprises condensation heat exchange pipes, the number of the condensation heat exchange pipes is three, the three condensation heat exchange pipes are uniformly distributed in the recovery processing box, two ends of the three condensation heat exchange pipes penetrate through the recovery processing box and extend to two sides of the recovery processing box, the bottom of the inner wall of the recovery processing box is rotationally connected with rotating stirring blades, the top of the inner wall of the recovery processing box is rotationally connected with a rotating shaft, the top of the rotating shaft penetrates through the recovery processing box and extends to the top of the recovery processing box, the number of the rotating shafts is four, the four rotating shafts are uniformly distributed in a two-to-two symmetrical mode at intervals of the three condensation heat exchange pipes, the surfaces of the four rotating shafts are fixedly connected with stirring rotating blades, the top ends of the four rotating shafts are fixedly connected with driven gears, the middle of the top of the recovery processing box is rotationally connected with driving gears, and the surfaces of the driving gears and the driven gears are meshed with each other.

The surface of the gear protection cover is fixedly connected with the top of the recovery processing box, the driving gear and the driven gear are arranged in the gear protection cover, the number of the placement support frames is two, the surfaces of the two placement support frames are respectively and fixedly connected with the two sides of the recovery processing box, and one ends of the condensation heat exchange guide pipes on the two sides of the recovery processing box are respectively clamped with the surfaces of the placement support frames.

The condensing heat exchange guide pipe is preferably provided with an air inlet box and an exhaust box which are respectively communicated with two sides of the recovery treatment box, the surfaces of the air inlet box and the exhaust box are fixedly connected with one end of the condensing heat exchange guide pipe, and the top of the air inlet box and the bottom of the exhaust box are respectively communicated with an external flange pipe.

The gear protection cover is characterized in that a motor cylinder is fixedly connected to the top of the gear protection cover, an upper motor is fixedly connected to the inside of the motor cylinder, and an output shaft of the upper motor is fixedly connected with the surface of a driving gear through a coupler.

The top of the supporting base is fixedly connected with the bottom of the recovery processing box, a motor cavity is formed in the supporting base, a built-in motor is fixedly connected in the motor cavity, and an output shaft of the built-in motor is fixedly connected with the axle center of the rotary stirring blade through a coupler.

The beneficial effects of adopting above technical scheme are:

Through setting up the heat transfer subassembly, at the during operation, heat transfer is carried out in recovery processing incasement portion, thereby realize waste heat recovery, this process lets in condensation heat transfer pipe with the flue gas, in recovery processing incasement portion lets in cold water, afterwards, the rotation agitates the cold water stirring that the blade rotated and drives recovery processing bottom of the case portion, the driving gear rotates and drives driven gear and rotate, and then drive the axis of rotation and begin to rotate, realize driving and agitate the rotating blade and rotate, fully flow to recovery processing incasement portion cold water, thereby better contact with condensation heat transfer pipe, can fully carry out the heat transfer, avoided leading to the condition that heat naturally lost because of extension heat transfer time, and then improved the efficiency of preheating recovery.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic perspective view of another perspective view of the present utility model.

FIG. 3 is a schematic diagram of a cross-sectional structure of the present utility model.

FIG. 4 is a sectional view showing the internal structure of the recovery processing tank of the present utility model.

1, A supporting base; 2, a gear protection cover, 3, a recovery treatment box, 4, a placement support frame, 5, a condensation heat exchange conduit, 6, a rotary stirring blade, 7, a rotary shaft, 8, a stirring rotary blade, 9, a driven gear, 10, a driving gear, 11, an air inlet box, 12, an exhaust box, 13, an external flange pipe, 14, a motor cylinder, 15, an upper motor, 16, a motor cavity and 17, and a built-in motor.

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

In the description of the present utility model, unless otherwise indicated, the meaning of "plurality" is two or more, and the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, for example, as a fixed connection, a removable connection, a movable connection or an integral connection, as a mechanical connection or an electrical connection, as a direct connection or an indirect connection via an intermediary. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-4, in the embodiment, the flue gas waste heat recovery structure comprises a supporting base 1, a gear protection cover 2, a recovery processing box 3, a placement support frame 4 and a heat exchange assembly, wherein the heat exchange assembly comprises three condensation heat exchange pipes 5, the three condensation heat exchange pipes 5 are uniformly arranged in the recovery processing box 3, two ends of the three condensation heat exchange pipes 5 penetrate through the recovery processing box 3 and extend to two sides of the recovery processing box 3, a rotary stirring blade 6 is rotatably connected to the bottom of the inner wall of the recovery processing box 3, a rotary shaft 7 is rotatably connected to the top of the inner wall of the recovery processing box 3, the top of the rotary shaft 7 penetrates through the recovery processing box 3 and extends to the top of the recovery processing box 3, the four rotary shafts 7 are uniformly arranged in a two-to-two symmetrical mode at intervals of the three condensation heat exchange pipes 5, stirring rotary blades 8 are fixedly connected to the surfaces of the four rotary shafts 7, a driving gear 9 is fixedly connected to the top of the rotary stirring blade 8, and the driven gear 9 is rotatably connected to the top of the driving gear 10 and the driving gear 10 is rotatably connected to the top of the driven gear 10.

Through above-mentioned technical scheme, the heat transfer subassembly sets up in the inside of retrieving treatment tank 3, at retrieving treatment tank 3 inside sets up three condensation heat transfer pipe 5, and three condensation heat transfer pipe 5 runs through retrieving treatment tank 3, rotate stirring vane 6 can rotate in the bottom of retrieving treatment tank 3 inner wall, axis of rotation 7 rotates at the top of retrieving treatment tank 3 inner wall, its surface and stirring vane 8 fixed connection, the top runs through retrieving treatment tank 3, and axis of rotation 7 is located the one end at retrieving treatment tank 3 top and driven gear 9 are fixed, driven gear 9 meshes with driving gear 10, at the during operation, heat transfer is carried out in retrieving treatment tank 3 inside, thereby realize waste heat recovery, this process lets in condensation heat transfer pipe 5 with the flue gas, let in cold water in retrieving treatment tank 3 inside, afterwards, rotation stirring vane 6 rotates and drives the cold water stirring of retrieving treatment tank 3 bottom, driving gear 10 rotates and drives driven gear 9 and rotates, and then drive rotation 7 begins to rotate, realize stirring vane 8 and rotate, the abundant flow to retrieving treatment tank 3 inside cold water, thereby contact with condensation heat transfer pipe 5 better, can carry out heat transfer in retrieving heat transfer time, natural heat has been avoided because of abundant heat transfer, and the natural heat loss has been avoided.

As shown in fig. 1 and 2, the surface of the gear protection cover 2 is fixedly connected with the top of the recovery processing box 3, the driving gear 10 and the driven gear 9 are both arranged in the gear protection cover 2, the number of the placement support frames 4 is two, the surfaces of the placement support frames 4 are respectively fixedly connected with two sides of the recovery processing box 3, one ends of two sides of the recovery processing box 3 of the condensation heat exchange guide pipe 5 are respectively clamped with the surfaces of the placement support frames 4, two sides of the recovery processing box 3 of the condensation heat exchange guide pipe 5 are respectively communicated with an air inlet box 11 and an air outlet box 12, the surfaces of the air inlet box 11 and the air outlet box 12 are fixedly connected with one end of the condensation heat exchange guide pipe 5, and the top of the air inlet box 11 and the bottom of the air outlet box 12 are respectively communicated with an external flange pipe 13.

Through the technical scheme, the gear protection cover 2 is fixed at the top of the recovery processing box 3, the driving gear 10 and the driven gear 9 are arranged inside the gear protection cover 2, the driving gear 10 and the driven gear 9 are protected by the gear protection cover 2, the two placing support frames 4 are arranged and distributed on two sides of the recovery processing box 3, two ends of the three condensing heat exchange guide pipes 5 are clamped and supported, meanwhile, the two ends of the three condensing heat exchange guide pipes 5 are communicated with the air inlet box 11 and the air outlet box 12, the air inlet box 11 introduces smoke into the air inlet box 11 through the external flange pipe 13, then the smoke after heat exchange enters the condensing heat exchange guide pipes 5 to exchange heat, the smoke after heat exchange enters the air outlet box 12 along with the condensing heat exchange guide pipes 5, and the air outlet box 12 discharges the smoke after heat exchange through the external flange pipe 13.

As shown in fig. 1-3, a motor cylinder 14 is fixedly connected to the top of the gear protection cover 2, an upper motor 15 is fixedly connected to the inside of the motor cylinder 14, an output shaft of the upper motor 15 is fixedly connected with the surface of the driving gear 10 through a coupler, the top of the supporting base 1 is fixedly connected with the bottom of the recovery processing box 3, a motor cavity 16 is formed in the supporting base 1, an internal motor 17 is fixedly connected to the inside of the motor cavity 16, and an output shaft of the internal motor 17 is fixedly connected with the axle center of the rotary stirring blade 6 through a coupler.

Through above-mentioned technical scheme, motor barrel 14 is fixed at the top of gear protection casing 2 for the overhead motor 15 of erection bracing, overhead motor 15 during operation drives driving gear 10 through the output shaft and rotates, thereby realize that driving gear 10 drives driven gear 9 and rotate, make axis of rotation 7 can rotate, support base 1 in addition and support recovery processing case 3, and set up motor chamber 16 in the inside of supporting base 1, utilize motor chamber 16 to install built-in motor 17, the during operation of built-in motor 17 drives through the output shaft and rotates stirring vane and carry out pivoted effect, thereby realize stirring the function to the cold water of recovery processing case 3 bottom.

It should be noted that the above-mentioned embodiments illustrate rather than limit the technical solution of the present utility model, and therefore, although the present utility model has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the present utility model may be modified or equivalently replaced without departing from the spirit and scope of the present utility model and that all technical solutions and modifications thereof, which are included in the scope of the claims of the present utility model, are realized in the prior art that is not specifically described in the present utility model.

Claims

1. The flue gas waste heat recovery structure comprises a support base (1), a gear protection cover (2), a recovery treatment box (3), a placement support frame (4) and a heat exchange assembly, and is characterized in that the heat exchange assembly comprises three condensation heat exchange pipes (5), the three condensation heat exchange pipes (5) are uniformly distributed in the recovery treatment box (3), two ends of the three condensation heat exchange pipes (5) penetrate through the recovery treatment box (3) and extend to two sides of the recovery treatment box (3), a rotating stirring blade (6) is rotatably connected to the bottom of the inner wall of the recovery treatment box (3), a rotating shaft (7) is rotatably connected to the top of the inner wall of the recovery treatment box (3), the top of the rotating shaft (7) penetrates through the recovery treatment box (3) and extends to the top of the recovery treatment box (3), the number of the rotating shaft (7) is four, the four rotating shafts (7) are symmetrically and uniformly arranged at intervals of the three condensing heat exchange pipes (5), stirring rotating blades (8) are fixedly connected to the surfaces of the four rotating shafts (7), driven gears (9) are fixedly connected to the top ends of the four rotating shafts (7), a driving gear (10) is rotatably connected to the middle of the top of the recovery processing box (3), and the surfaces of the driving gear (10) are meshed with the surfaces of the driven gears (9).

2. The flue gas waste heat recovery structure according to claim 1 is characterized in that the surface of the gear protection cover (2) is fixedly connected with the top of the recovery treatment box (3), the driving gear (10) and the driven gear (9) are arranged in the gear protection cover (2), the number of the placement support frames (4) is two, the surfaces of the two placement support frames (4) are respectively and fixedly connected with the two sides of the recovery treatment box (3), and one ends of the condensation heat exchange guide pipes (5) on the two sides of the recovery treatment box (3) are respectively clamped with the surfaces of the placement support frames (4).

3. The flue gas waste heat recovery structure according to claim 1 is characterized in that the condensing heat exchange guide pipe (5) is located at two sides of the recovery treatment box (3) and is respectively communicated with the air inlet box (11) and the exhaust box (12), the surfaces of the air inlet box (11) and the exhaust box (12) are fixedly connected with one end of the condensing heat exchange guide pipe (5), and the top of the air inlet box (11) and the bottom of the exhaust box (12) are respectively communicated with an external flange pipe (13).

4. The flue gas waste heat recovery structure according to claim 1 is characterized in that a motor cylinder (14) is fixedly connected to the top of the gear protection cover (2), an upper motor (15) is fixedly connected to the inside of the motor cylinder (14), and an output shaft of the upper motor (15) is fixedly connected with the surface of a driving gear (10) through a coupler.

5. The flue gas waste heat recovery structure according to claim 1 is characterized in that the top of the supporting base (1) is fixedly connected with the bottom of the recovery treatment box (3), a motor cavity (16) is formed in the supporting base (1), a built-in motor (17) is fixedly connected in the motor cavity (16), and an output shaft of the built-in motor (17) is fixedly connected with the axis of the rotary stirring blade (6) through a coupler.