Low-carbon-emission hybrid energy hot galvanizing furnace
By introducing preheating and waste heat utilization mechanisms into the hot-dip galvanizing furnace to absorb and convert the waste heat of flue gas, the problem of waste heat not being used in the prior art is solved, and low carbon emissions and energy-saving effects are achieved.
Patent Information
- Application Number
- CN202422559885.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-10-23
AI Technical Summary
During the use of existing hot-dip galvanized furnaces, the waste heat emitted by the flue gas cannot be effectively utilized, resulting in a large amount of heat loss and increasing the greenhouse effect.
A low-carbon emission mixed energy hot-dip galvanizing furnace is designed to absorb the heat of the smoke exhaust pipe through a preheating mechanism using a heat conductor and a circulating threaded hose, and convert the waste heat of the waste flue gas into the heat energy required by the process in the waste heat utilization mechanism, and use a U-shaped tube to increase the heat exchange efficiency.
The full utilization of waste heat of flue gas is achieved, the heat loss is reduced, the energy conservation and emission reduction effect is achieved, and carbon emissions is reduced.
Smart Images
Figure CN223214156U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hot-dip galvanizing furnaces, in particular to a low-carbon emission mixed energy hot-dip galvanizing furnace. Background Art
[0002] Galvanizing refers to plating a layer of zinc on the surface of parts or alloy materials, which makes the parts look more beautiful and has strong rust resistance. The parts are installed on a device immersed in a zinc pool, and then the surface of the parts is simply treated as preparation before galvanizing. After that, the device drives the parts to be completely immersed in the zinc pool for galvanizing, and then post-plating treatment and finished product inspection are carried out.
[0003] During the use of existing hot-dip galvanizing furnaces, the flue gas emitted by the hot-dip galvanizing furnace will generate a large amount of waste heat. Direct emission will cause a large amount of heat to be discharged into the air, exacerbating the greenhouse effect. Usually, the waste heat utilization device is directly connected to the exhaust port. However, the hot-dip galvanizing furnace will emit a large amount of flue gas during the combustion process, resulting in rapid loss of flue gas, making it impossible for the waste heat utilization device to effectively utilize the waste heat in the flue gas. Therefore, it is necessary to improve a low-carbon emission mixed energy hot-dip galvanizing furnace to solve the above problems. Utility Model Content
[0004] The purpose of the utility model is to provide a low-carbon emission mixed energy hot-dip galvanizing furnace to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a low-carbon emission mixed energy hot-dip galvanizing furnace, comprising a hot-dip galvanizing furnace body, a smoking pipe fixedly installed on the top of the hot-dip galvanizing furnace body, a smoke exhaust pipe fixedly installed on the top of the smoking pipe, a preheating mechanism provided on the top of the hot-dip galvanizing furnace body, a waste heat utilization mechanism provided on the top of the preheating mechanism, and a purification device body provided on the top of the waste heat utilization mechanism.
[0006] Preferably, the preheating mechanism includes a support frame, which is fixedly mounted on the top of the hot-dip galvanizing furnace body, a preheating box body is fixedly mounted inside the support frame, a two-way threaded rod is rotatably mounted inside the preheating box body, a sliding block is threadedly mounted on the outer side of the two-way threaded rod, an arc-shaped sliding frame is fixedly mounted on the inner side of the sliding block, a circulating threaded hose is fixedly mounted on the inner side of the arc-shaped sliding frame, a guide rod is fixedly mounted inside the preheating box body, a hand wheel is fixedly mounted on the left side of the two-way threaded rod, and a heat conducting plate is fixedly mounted on the inner side of the arc-shaped sliding frame to preheat the water, thereby preventing the heat inside the exhaust pipe from being lost too quickly and making more effective use of the heat.
[0007] Preferably, the sliding blocks and arc-shaped sliding frames are provided in two groups and are symmetrically distributed on the center line of the front of the preheating box body, and the arc-shaped sliding frames are slidably installed on the outside of the guide rod so that the two arc-shaped sliding frames wrap the exhaust pipe and conduct the heat of the exhaust pipe through the heat conducting plate.
[0008] Preferably, the arc-shaped sliding frame is configured as a cavity, and the circulating threaded hose is disposed inside the cavity and in contact with the heat conducting plate, and the water inside the circulating threaded hose is utilized to absorb heat.
[0009] Preferably, the waste heat utilization mechanism includes a heating box, which is fixedly installed on the top of the preheating box body, a motor is fixedly installed on the left side of the heating box, a stirring rod 1 is fixedly installed on the output end of the motor, a synchronous wheel 1 is fixedly installed on the right side of the stirring rod 1, a synchronous belt is installed on the outer side of the synchronous wheel 1, a synchronous wheel 2 is installed on the end of the synchronous belt away from the synchronous wheel 1, a stirring rod 2 is fixedly installed on the left side of the synchronous wheel 2, a water inlet pipe is fixedly installed on the left side of the heating box, a water outlet pipe is fixedly installed on the right side of the heating box, and a U-shaped pipe is fixedly installed inside the heating box to convert the waste heat emitted by the waste flue gas in the exhaust pipe into thermal energy required by the process to meet the process temperature, thereby achieving energy saving, emission reduction and low carbon emissions.
[0010] Preferably, the bottom of the U-shaped tube is fixedly mounted to the end of the smoke exhaust pipe away from the smoking pipe, and the end of the U-shaped tube away from the smoking pipe is fixedly mounted to the bottom of the purification device body, and the stirring rod 1 and stirring rod 2 are arranged on both sides of the front and back of the U-shaped tube, so that the water inside the heating box can contact the U-shaped tube, increasing the contact area with the water, thereby increasing the efficiency of heat exchange.
[0011] Compared with the existing technology, the utility model provides a low-carbon emission mixed energy hot-dip galvanizing furnace with the following beneficial effects:
[0012] 1. This low-carbon emission hybrid energy hot-dip galvanizing furnace, through the preheating mechanism, during use, causes the two arc-shaped sliding frames to wrap the exhaust pipe, conducts the heat of the exhaust pipe through the heat conducting plate, and uses the water inside the circulating threaded hose to absorb the heat, so as to preheat the water and prevent the heat inside the exhaust pipe from being lost too quickly, thereby making more effective use of the heat.
[0013] 2. This low-carbon emission hybrid energy hot-dip galvanizing furnace, through the waste heat utilization mechanism, makes the water inside the heating box flow during use, so that the water inside the heating box can come into contact with the U-shaped tube. The setting of the U-shaped tube can slow down the flow speed of the flue gas, increase the contact area with the water, and thus increase the efficiency of heat exchange, and convert the waste heat of the waste flue gas in the exhaust pipe into the thermal energy required by the process to meet the process temperature, thereby achieving energy saving and emission reduction, and low carbon emissions. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work.
[0015] Figure 1 This is a schematic diagram of the appearance structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the internal structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the preheating mechanism of the present utility model;
[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the waste heat utilization mechanism of the utility model.
[0019] In the figure: 1. Hot-dip galvanizing furnace body; 2. Preheating mechanism; 21. Support frame; 22. Preheating box; 23. Bidirectional threaded rod; 24. Sliding block; 25. Arc-shaped sliding frame; 26. Circulating threaded hose; 27. Guide rod; 28. Hand wheel; 29. Heat conducting plate; 3. Waste heat utilization mechanism; 31. Heating box; 32. Motor; 33. Stirring rod 1; 34. Synchronous pulley 1; 35. Synchronous belt; 36. Synchronous pulley 2; 37. Stirring rod 2; 38. Water inlet pipe; 39. Water outlet pipe; 310. U-shaped pipe; 4. Smoking pipe; 5. Exhaust pipe; 6. Purification device body. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.
[0022] Example 1:
[0023] See also Figure 1-3 The utility model provides a technical solution: a low-carbon emission mixed energy hot-dip galvanizing furnace, including a hot-dip galvanizing furnace body 1, a smoking pipe 4 is fixedly installed on the top of the hot-dip galvanizing furnace body 1, a smoke exhaust pipe 5 is fixedly installed on the top of the smoking pipe 4, a preheating mechanism 2 is provided on the top of the hot-dip galvanizing furnace body 1, a waste heat utilization mechanism 3 is provided on the top of the preheating mechanism 2, and a purification device body 6 is provided on the top of the waste heat utilization mechanism 3.
[0024] Furthermore, the preheating mechanism 2 includes a support frame 21, which is fixedly mounted on the top of the hot-dip galvanizing furnace body 1. A preheating box 22 is fixedly mounted inside the support frame 21. A bidirectional threaded rod 23 is rotatably mounted inside the preheating box 22. A sliding block 24 is threadedly mounted on the outer side of the bidirectional threaded rod 23. An arc-shaped sliding frame 25 is fixedly mounted on the inner side of the sliding block 24. A circulating threaded hose 26 is fixedly mounted on the inner side of the arc-shaped sliding frame 25. A guide rod 27 is fixedly mounted inside the preheating box 22. A hand wheel 28 is fixedly mounted on the left side of the bidirectional threaded rod 23. A heat conducting plate 29 is fixedly mounted on the inner side of the arc-shaped sliding frame 25 to preheat the water, prevent the heat inside the exhaust pipe 5 from being lost too quickly, and make more effective use of the heat.
[0025] Furthermore, two groups of sliding blocks 24 and arc-shaped sliding frames 25 are provided, and are symmetrically distributed on the center line of the front of the preheating box 22, and the arc-shaped sliding frames 25 are slidably installed on the outside of the guide rod 27, so that the two arc-shaped sliding frames 25 wrap the exhaust pipe 5 and conduct the heat of the exhaust pipe 5 through the heat conducting plate 29.
[0026] Furthermore, the arc-shaped sliding frame 25 is configured as a cavity, and the circulating threaded hose 26 is disposed inside the cavity and in contact with the heat conducting sheet 29 , so that the water inside the circulating threaded hose 26 is used to absorb heat.
[0027] Embodiment 2:
[0028] See also Figure 4, and combined with Example 1, it is further obtained that the waste heat utilization mechanism 3 includes a heating box 31, the heating box 31 is fixedly installed on the top of the preheating box body 22, a motor 32 is fixedly installed on the left side of the heating box 31, a stirring rod 33 is fixedly installed on the output end of the motor 32, a synchronous wheel 34 is fixedly installed on the right side of the stirring rod 33, a synchronous belt 35 is installed on the outer side of the synchronous wheel 34, a synchronous wheel 2 36 is installed on the end of the synchronous belt 35 away from the synchronous wheel 1 34, a stirring rod 2 37 is fixedly installed on the left side of the synchronous wheel 2 36, a water inlet pipe 38 is fixedly installed on the left side of the heating box 31, a water outlet pipe 39 is fixedly installed on the right side of the heating box 31, and a U-shaped pipe 310 is fixedly installed inside the heating box 31, which converts the waste heat emitted by the waste flue gas in the exhaust pipe 5 into thermal energy required by the process to meet the process temperature, thereby achieving energy saving, emission reduction and low carbon emissions.
[0029] Furthermore, the bottom of the U-shaped tube 310 is fixedly installed to the end of the smoke exhaust pipe 5 away from the smoking pipe 4, and the end of the U-shaped tube 310 away from the smoking pipe 4 is fixedly installed to the bottom of the purification device body 6, and the stirring rod 1 33 and the stirring rod 2 37 are arranged on the front and back sides of the U-shaped tube 310, so that the water inside the heating box 31 can contact with the U-shaped tube 310, increasing the contact area with the water, thereby increasing the efficiency of heat exchange.
[0030] During actual operation, when this device is used, the support frame 21 is installed on the top of the hot-dip galvanizing furnace body 1 to ensure the stability of the device. The smoke generated by the combustion of the hot-dip galvanizing furnace body 1 is absorbed by the smoking pipe 4 and discharged through the exhaust pipe 5. The hand wheel 28 is turned, and the hand wheel 28 drives the bidirectional threaded rod 23 to rotate. The bidirectional threaded rod 23 rotates and drives the two arc-shaped sliding frames 25 to move in opposite directions through the sliding block 24, thereby making the two pairs of arc-shaped sliding frames 5 wrap the exhaust pipe 5, and the exhaust pipe 5 is covered by the heat conducting sheet 29. The heat is conducted and the water inside the circulating threaded hose 26 is used to absorb the heat. After the circulating threaded hose 26 circulates the water into the heating box 31, the motor 32 and the output end of the motor 32 drive the stirring rod 1 33 to rotate. The stirring rod 1 33 drives the synchronous belt 35 through the synchronous wheel 1 34 and then drives the synchronous wheel 2 36 to rotate, so that the stirring rod 2 37 rotates, so that the water inside the heating box 31 becomes a flowing state, and the smoke from the exhaust pipe 5 is discharged to the purification device body 6 through the U-shaped tube 310, and is discharged after being purified by the purification device body 6.
[0031] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.
Claims
1. A low-carbon emission mixed energy hot-dip galvanizing furnace, comprising a hot-dip galvanizing furnace body (1), characterized in that: A smoking pipe (4) is fixedly installed on the top of the hot-dip galvanizing furnace body (1), a smoke exhaust pipe (5) is fixedly installed on the top of the smoking pipe (4), a preheating mechanism (2) is provided on the top of the hot-dip galvanizing furnace body (1), a waste heat utilization mechanism (3) is provided on the top of the preheating mechanism (2), and a purification device body (6) is provided on the top of the waste heat utilization mechanism (3).
2. The low-carbon emission hybrid energy hot-dip galvanizing furnace according to claim 1, characterized in that: The preheating mechanism (2) comprises a support frame (21), the support frame (21) is fixedly mounted on the top of the hot-dip galvanizing furnace body (1), a preheating box (22) is fixedly mounted inside the support frame (21), a bidirectional threaded rod (23) is rotatably mounted inside the preheating box (22), a sliding block (24) is threadedly mounted on the outside of the bidirectional threaded rod (23), an arc-shaped sliding frame (25) is fixedly mounted on the inside of the sliding block (24), a circulating threaded hose (26) is fixedly mounted on the inside of the arc-shaped sliding frame (25), a guide rod (27) is fixedly mounted inside the preheating box (22), a hand wheel (28) is fixedly mounted on the left side of the bidirectional threaded rod (23), and a heat conducting plate (29) is fixedly mounted on the inside of the arc-shaped sliding frame (25).
3. The low-carbon emission hybrid energy hot-dip galvanizing furnace according to claim 2, characterized in that: The sliding blocks (24) and the arc-shaped sliding frames (25) are provided in two groups and are symmetrically distributed at the center line of the front of the preheating box (22), and the arc-shaped sliding frames (25) are slidably mounted on the outside of the guide rod (27).
4. The low-carbon emission hybrid energy hot-dip galvanizing furnace according to claim 2, characterized in that: The arc-shaped sliding frame (25) is configured as a cavity, and the circulating threaded hose (26) is configured inside the cavity and fits the heat conducting sheet (29).
5. The low-carbon emission hybrid energy hot-dip galvanizing furnace according to claim 4, characterized in that: The waste heat utilization mechanism (3) comprises a heating box (31), the heating box (31) is fixedly mounted on the top of the preheating box body (22), a motor (32) is fixedly mounted on the left side of the heating box (31), a stirring rod (33) is fixedly mounted on the output end of the motor (32), a synchronous wheel (34) is fixedly mounted on the right side of the stirring rod (33), a synchronous belt (35) is driven and mounted on the outer side of the synchronous wheel (34), a synchronous wheel (36) is driven and mounted on the end of the synchronous belt (35) away from the synchronous wheel (34), a stirring rod (37) is fixedly mounted on the left side of the synchronous wheel (36), a water inlet pipe (38) is fixedly mounted on the left side of the heating box (31), a water outlet pipe (39) is fixedly mounted on the right side of the heating box (31), and a U-shaped pipe (310) is fixedly mounted inside the heating box (31).
6. The low-carbon emission hybrid energy hot-dip galvanizing furnace according to claim 5, characterized in that: The bottom of the U-shaped tube (310) is fixedly mounted to the end of the smoke exhaust pipe (5) away from the smoking pipe (4), and the end of the U-shaped tube (310) away from the smoking pipe (4) is fixedly mounted to the bottom of the purification device body (6), and the stirring rod 1 (33) and the stirring rod 2 (37) are arranged on both sides of the front and back of the U-shaped tube (310).