Flue gas waste heat recycling device
By using the design of vortex formation through protrusions and stirring plates inside the gas guide pipe, and simplifying the replacement of activated carbon plates, the problems of low heating efficiency and poor purification effect of existing flue gas waste heat recovery devices are solved, achieving efficient and stable heat recovery and purification.
Patent Information
- Application Number
- CN202423193633.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Existing flue gas waste heat recovery devices suffer from low heating efficiency, uneven heat distribution, and insufficient flue gas flow control, resulting in poor heat transfer efficiency and recovery effect.
The system utilizes protrusions inside the air duct to slowly circulate the flue gas, which, combined with stirring plates, forms a vortex, increasing the contact area between water and the inner wall of the air duct. At the same time, it uses activated carbon plates to purify harmful gases in the flue gas and simplifies the replacement process of the activated carbon plates.
It improves the effective utilization efficiency of heat, enhances heating uniformity, reduces heat loss, ensures purification effect, reduces production and maintenance costs, and improves system stability and production efficiency.
Smart Images

Figure CN223596628U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to energy -conserving and environment -protective technical field, and specifically is a flue gas waste heat recovery recycling device. BACKGROUND
[0002] Flue gas waste heat recovery recycling device, as a kind of technical equipment aimed at recycling and recycling the waste heat carried in flue gas efficiently and environmentally, although it has shown tremendous potential in energy saving and emission reduction, but still faces some significant challenges and deficiencies in practical application.The common recycling device mostly adopts the mode of flue gas directly heating water, and realizes the transfer of heat by the direct contact of gas guide pipe and water body.However, this design has obvious limitations.
[0003] Specifically, the existing device often relies on the flue gas flowing in the gas guide pipe to directly heat the surrounding water area, and this heating method not only has low efficiency, but also can only effectively heat the water in the vicinity of the gas guide pipe, while the water area far from the gas guide pipe is difficult to obtain sufficient heat, resulting in uneven water temperature distribution and greatly reduced heating effect;In addition, the existing flue gas waste heat recovery device also has deficiencies in flue gas flow control, as the flow speed of flue gas in the gas guide pipe is usually consistent, and there is lack of effective adjustment mechanism to change the flow efficiency of flue gas in the gas guide pipe water part, which further limits the heat transfer efficiency and recovery effect. SUMMARY
[0004] To solve the problems raised in the background art, the utility model provides a flue gas waste heat recovery recycling device.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a flue gas waste heat recovery recycling device, comprising a water tank, a gas guide pipe is fixedly installed in the inside of the water tank, and both ends of the gas guide pipe penetrate through the water tank, a protruding block is fixedly installed in the inside of the gas guide pipe, a water inlet pipe is fixedly installed on the top of the water tank, a water outlet pipe is fixedly installed on the bottom of the water tank, a movable rod is movably installed in the inside of the water tank, stirring blades are fixedly installed on the surface of the movable rod, a driving motor is fixedly installed on the side of the water tank, and the output shaft of the driving motor is fixedly connected with the movable rod.
[0006] Preferably, one end of the gas guide pipe is fixedly installed with a purification tank, a frame is fixedly installed in the inside of the purification tank, activated carbon plates are movably installed in the inside of the frame, a top cover is movably installed on the top of the purification tank, a gas outlet pipe is fixedly installed on the top of the top cover, a circular groove is formed in the side of the top cover and extends to the inside of the purification tank, a latch is movably installed in the inside of the circular groove, a handle is fixedly installed on one end of the latch, and a spring is arranged between the handle and the top cover.
[0007] Preferably, the bottom of the water tank is fixedly provided with four groups of supporting legs, and the bottom of each of the four groups of supporting legs is fixedly provided with a supporting leg pad.
[0008] Preferably, the side surface of the water tank is provided with a motor protection cover, the driving motor is located in the interior of the motor protection cover, and the surface of the motor protection cover is provided with heat dissipation holes.
[0009] Preferably, the front surface of the water tank is fixedly provided with an observation window, and the observation window is integrally made of glass.
[0010] Preferably, the side surface of the water tank is fixedly provided with an L-shaped support, and one end of the L-shaped support is fixedly provided with a purification tank.
[0011] Preferably, the number of the latches is three, and the three latches are uniformly distributed on the side surface of the top cover.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1、The utility model discloses a water tank for heating flue gas, which comprises a water tank body, a driving motor, an active rod, a stirring piece and a purification tank.
[0014] 2、The utility model discloses a purification tank for purifying flue gas, which comprises a purification tank body, an active carbon plate, an air outlet pipe, a handle, a latch and a spring. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1It is a structure schematic view of the utility model;
[0016] Figure 2 It is a structure schematic view of the utility model observation window;
[0017] Figure 3 It is a structure schematic view of the utility model purification tank;
[0018] Figure 4 It is a structure schematic view of the utility model air guide pipe;
[0019] Figure 5 It is a structure schematic view of the utility model Figure 4 It is a structure schematic view of the utility model
[0020] Figure 6 It is a structure schematic view of the utility model Figure 4 It is a structure schematic view of the utility model
[0021] In the figure: 1, water tank;2, air guide pipe;3, water inlet pipe;4, water outlet pipe;5, protruding block;6, movable rod;7, stirring piece;8, driving motor;9, purification tank;10, top cover;11, air outlet pipe;12, frame;13, activated carbon plate;14, round groove;15, bolt;16, handle;17, spring;18, motor protection cover;19, heat dissipation hole;20, observation window;21, supporting leg;22, supporting leg pad;23, L-shaped support. Specific implementation
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. 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 those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] As Figures 1 to 6 shown, the utility model provides a kind of flue gas waste heat recycling device, including water tank 1, the inside fixed mounting of water tank 1 is equipped with air guide pipe 2, and the both ends of air guide pipe 2 are all through water tank 1, the inside fixed mounting of air guide pipe 2 is equipped with protruding block 5, the top of water tank 1 is fixedly installed with water inlet pipe 3, the bottom of water tank 1 is fixedly installed with water outlet pipe 4, the inside movable mounting of water tank 1 is equipped with movable rod 6, the surface fixed mounting of movable rod 6 is equipped with stirring piece 7, the side of water tank 1 is fixedly installed with driving motor 8, and the output shaft of driving motor 8 is fixedly connected with movable rod 6;
[0024] Adopting the above scheme: through the device, the flue gas waste heat is transmitted to the water through the air guide pipe 2, the effective utilization of heat is realized, and the contact area of the water and the inner wall of the air guide pipe is increased by the vortex formed by the stirring of the stirring piece 7, thereby improving the heat exchange efficiency and the heating efficiency, and through the stirring piece 7, the heating efficiency is improved, and the heat loss in the heating process is reduced, thereby enabling the system to operate more stably, improving the overall performance of the system, and reducing the production cost and improving the production efficiency through the device.
[0025] As shown in Figure 4 , one end of the air guide pipe 2 is fixedly installed with a purification box 9, the inside of the purification box 9 is fixedly installed with a frame 12, the inside of the frame 12 is movably installed with an activated carbon plate 13, the top of the purification box 9 is movably installed with a top cover 10, the top of the top cover 10 is fixedly installed with an air outlet pipe 11, the side of the top cover 10 is provided with a circular groove 14, and the circular groove 14 extends to the inside of the purification box 9, the inside of the circular groove 14 is movably installed with a latch 15, one end of the latch 15 is fixedly installed with a handle 16, and the handle 16 and the top cover 10 are provided with a spring 17;
[0026] Adopting the above scheme: through the device, the replacement of the activated carbon plate 13 becomes simple and easy, without complex disassembly and installation steps, thereby simplifying the replacement process, reducing the difficulty of maintenance work, improving the maintenance efficiency, and enabling the activated carbon plate 13 to be replaced in time after saturation, thereby avoiding the decrease of purification effect caused by the failure of activated carbon, and helping to ensure that the purification device always maintains good purification effect and reduces the content of harmful substances in flue gas.
[0027] As shown in Figure 1 , the bottom of the water tank 1 is fixedly installed with four groups of supporting legs 21, and the bottom of each group of supporting legs 21 is fixedly installed with a supporting leg pad 22;
[0028] Adopting the above scheme: by fixedly installing four groups of supporting legs 21 at the bottom of the water tank 1, and fixedly installing supporting leg pads 22 at the bottom of each group of supporting legs 21, the weight of the device can be dispersed, thereby improving the stability of the device.
[0029] As shown in Figure 2 , the side of the water tank 1 is provided with a motor protection cover 18, and the driving motor 8 is located in the inside of the motor protection cover 18, and the surface of the motor protection cover 18 is provided with a heat dissipation hole 19;
[0030] Adopting the above scheme: by providing the motor protection cover 18 on the side of the water tank 1, and locating the driving motor 8 in the inside of the motor protection cover 18, the driving motor 8 can be protected from being damaged by external objects, and the heat dissipation hole 19 is provided on the surface of the motor protection cover 18, thereby improving the heat dissipation of the driving motor 8.
[0031] As Figure 1 The front surface of the water tank 1 is fixedly provided with an observation window 20, and the observation window 20 is made of glass.
[0032] The above scheme is adopted: the observation window 20 is fixedly provided on the front surface of the water tank 1, so that the internal condition of the water tank 1 can be observed, and the observation window 20 is made of glass, so that the observation effect is better.
[0033] As Figure 2 The side surface of the water tank 1 is fixedly provided with an L-shaped support 23, and the L-shaped support 23 is fixedly provided with a purification tank 9 at one end.
[0034] The above scheme is adopted: the L-shaped support 23 is fixedly provided on the side surface of the water tank 1, and the purification tank 9 is fixedly provided at one end of the L-shaped support 23, so that the purification tank 9 can be supported, and the stability of the purification tank 9 during operation is ensured.
[0035] As Figure 1 The number of the latches 15 is three groups, and the three groups of latches 15 are uniformly distributed on the side surface of the top cover 10.
[0036] The above scheme is adopted: three groups of latches 15 are provided, and the three groups of latches 15 are uniformly distributed on the side surface of the top cover 10, so that the firmness between the purification tank 9 and the top cover 10 is improved.
[0037] The working principle and use process of the utility model are as follows:
[0038] In use, one end of the air guide pipe 2 is connected with the flue gas pipe, then the flue gas enters the inside of the water tank 1 through the air guide pipe 2, and is slowly moved in the inside of the air guide pipe 2 through the convex block 5, the water in the inside of the water tank 1 is heated through the flue gas, then the staff starts the driving motor 8, the power generated by the driving motor 8 makes the rotating rod 6 rotate, then the stirring blade 7 on the surface of the rotating rod 6 also rotates synchronously, the water in the inside of the water tank 1 is stirred in the same direction, so that the vortex is formed in the inside of the water tank 1, thereby improving the heating efficiency.
[0039] The flue gas then enters the inside of the purification tank 9 through the air guide pipe 2 and moves upward, at this time the harmful substances in the gas inside are adsorbed through the activated carbon plate 13 and then discharged through the air outlet pipe 11, when the activated carbon plate 13 needs to be replaced, the latch 15 is pulled away from the inside of the purification tank 9 through the pulling of the handle 16, at the same time the spring 17 is in the stretched state, then the top cover 10 is separated from the purification tank 9, the activated carbon plate 13 in the inside of the frame 12 is replaced, then the purification tank 9 and the top cover 10 are attached, and the handle 16 is loosened, then the reaction force of the spring 17 makes the latch 15 reset, and the fixing of the purification tank 9 and the top cover 10 is completed.
[0040] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0041] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A flue gas waste heat recovery recycling device comprising a water tank (1), characterized in that: The inside of the water tank (1) is fixedly installed with the air guide pipe (2), both ends of which penetrate the water tank (1), the inside of the air guide pipe (2) is fixedly installed with the protruding block (5), the top of the water tank (1) is fixedly installed with the water inlet pipe (3), the bottom of the water tank (1) is fixedly installed with the water outlet pipe (4), the inside of the water tank (1) is movably installed with the movable rod (6), the surface of the movable rod (6) is fixedly installed with the stirring blade (7), the side of the water tank (1) is fixedly installed with the driving motor (8), and the output shaft of the driving motor (8) is fixedly connected with the movable rod (6).
2. The flue gas waste heat recovery recycling device according to claim 1, characterized in that: One end of the air guide pipe (2) is fixedly installed with the purification tank (9), the inside of the purification tank (9) is fixedly installed with the frame (12), the inside of the frame (12) is movably installed with the activated carbon plate (13), the top of the purification tank (9) is movably installed with the top cover (10), the top of the top cover (10) is fixedly installed with the air outlet pipe (11), the side of the top cover (10) is provided with the circular groove (14) extending into the inside of the purification tank (9), the inside of the circular groove (14) is movably installed with the latch (15), one end of the latch (15) is fixedly installed with the handle (16), and the handle (16) is provided with the spring (17) between the top cover (10).
3. The flue gas waste heat recovery recycling device according to claim 1, characterized in that: The bottom of the water tank (1) is fixedly installed with four groups of supporting legs (21), and the bottom of each of the four groups of supporting legs (21) is fixedly installed with the supporting leg pad (22).
4. The flue gas waste heat recovery recycling device according to claim 1, characterized in that: The side of the water tank (1) is provided with the motor protection cover (18), the driving motor (8) is located in the inside of the motor protection cover (18), and the surface of the motor protection cover (18) is provided with the heat dissipation hole (19).
5. The flue gas waste heat recovery recycling device according to claim 1, characterized in that: The front of the water tank (1) is fixedly installed with the observation window (20), and the observation window (20) is made of glass as a whole.
6. The flue gas waste heat recovery recycling device according to claim 1, characterized in that: The side of the water tank (1) is fixedly installed with the L-shaped support (23), and one end of the L-shaped support (23) is fixedly installed with the purification tank (9).
7. The flue gas waste heat recovery recycling device according to claim 2, characterized in that: The number of the latches (15) is three groups, and the three groups of latches (15) are uniformly distributed on the side of the top cover (10).