Energy-saving detachable exhaust hood for aluminum cold-rolling mill
By designing an energy-saving and detachable smoke exhaust hood for aluminum cold rolling mills, using herringbone inner cover and removable steel plate outer cover, the problems of unclear smoke exhaust hood and high transportation costs in the prior art are solved, and smoke recovery rate is achieved Improve and reduce transportation costs.
Patent Information
- Application Number
- CN202421162909.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The size of the smoke outlets of the existing aluminum cold rolling mill smoke exhaust hood is not clearly set, resulting in high transportation costs and height and width limitations, making it difficult to meet the needs of wide-width cold rolling mills.
Design an energy-saving and detachable smoke exhaust hood for aluminum cold rolling mills, including an outer cover, an inner cover and a flow conduit. The outer cover consists of removable steel plates. The inner cover adopts a herringbone structure to control smoke exhaust through the connecting components and the flow conduit. , realize the reasonable distribution of smoke recovery air volume, and can be transported separately during transportation.
It improves smoke recovery rate, reduces the power of smoke recovery fan, achieves energy saving effects, and reduces transportation costs through split transportation.
Smart Images
Figure CN222306864U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of smoke exhaust hoods and relates to an energy-saving detachable smoke exhaust hood for an aluminum cold rolling mill. Background Art
[0002] The oil smoke generated by the aluminum cold rolling mill during the rolling process is discharged in time through the flue or guide groove to prevent it from polluting the workshop environment and the surface of the strip, and to avoid potential safety hazards. At the same time, the oil smoke can be recycled to reduce the waste of rolling oil; by adding a guide cover in the rolling mill arch and adjusting the size of the exhaust port between the inner and outer covers of the exhaust cover, the flow direction and flow of the oil smoke can be controlled, and the power of the smoke recovery fan can be reduced.
[0003] At present, the smoke exhaust ports of the cold rolling mill smoke exhaust hood are mainly arranged around and in the middle of the inner hood, but there is a lack of clear settings for the specific size of the smoke exhaust ports. At the same time, with the development of the market, the demand for wide-width cold rolling mills has increased, and the volume of the smoke exhaust hood has also increased, and transportation problems have arisen. The transportation cost of large smoke exhaust hoods is relatively high, and there are restrictions on height and width. The utility model proposes a new solution to the above problems. Utility Model Content
[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide an energy-saving and detachable smoke exhaust hood for an aluminum cold rolling mill to solve the technical problems mentioned in the background technology.
[0005] To solve the above problems, the utility model adopts the following technical solutions.
[0006] An energy-saving detachable smoke exhaust hood for an aluminum cold rolling mill comprises an outer hood, an inner hood and a guide hood arranged on the outside of a rolling mill arch crossbeam; the outer hood comprises a plurality of groups of detachable steel plates, a connecting assembly is arranged between the steel plates, and the steel plates are detachably connected through the connecting assembly; the inner hood comprises a left side plate, a right side plate and a connecting rod, and an oil guide groove is arranged at the inner bottom of the outer hood; a herringbone shape is formed between the left side plate and the right side plate, and a guide plate is arranged at the top of the left side plate, and a top smoke exhaust port is formed between the left side plate and the right side plate; a bottom smoke exhaust port is formed between the bottom of the left side plate and the outer hood, and between the bottom of the right side plate and the outer hood; a plurality of connecting rods are arranged, the bottom ends of the connecting rods are rotatably connected to the upper end surfaces of the left side plate and the right side plate, and the top ends of the connecting rods are bolted to the inner top of the outer hood.
[0007] Preferably, the connecting assembly includes a U-shaped locking plate and connecting bolts, the edge of the steel plate is provided with a connecting edge strip, adjacent connecting edge strips are buckled together by the U-shaped locking plate, and the connecting bolts pass through the connecting edge strip and the U-shaped locking plate for connection.
[0008] In any of the above schemes, it is preferred that the steel plate includes an inner plate and an outer plate, and the inner plate and the outer plate are fixedly connected.
[0009] In any of the above schemes, it is preferred that the air deflector is provided with two groups, the two groups of air deflectors are respectively fixed on the feeding end and the discharging end of the rolling mill arch crossbeam, the air deflector includes a fixed plate and a guide plate, the guide plate is provided with two groups, the two groups of guide plates are arranged parallel to the lower end surface of the fixed plate along the air flow direction, and one end of the fixed plate is cooperated with the inner cover.
[0010] In any of the above solutions, preferably, a plurality of hanging rings are provided on the top of the outer cover.
[0011] Compared with the prior art, the advantages of the present invention are:
[0012] The utility model discloses an outer cover and an inner cover, wherein the inner cover is designed as a herringbone structure, and at the same time, in the three stages of design, manufacturing and assembly, the smoke exhaust ports between the inner cover and the outer cover, and between the inner covers are effectively controlled, so that the air volume of smoke recovery is reasonably and effectively distributed, thereby improving the smoke recovery rate; with the effective increase in the smoke recovery rate, the power of the smoke recovery fan can be reduced, thereby achieving the purpose of energy saving; the outer cover is designed as a split structure, which can be disassembled for transportation during transportation, thereby achieving the purpose of reducing transportation costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0014] Figure 2 for Figure 1 A magnified view of part A;
[0015] Figure 3 for Figure 1 A magnified view of part B;
[0016] Figure 4 for Figure 1 Enlarged view of part C;
[0017] Figure 5 It is a schematic diagram of the structure of the air deflector;
[0018] Figure 6 for Figure 5 A magnified view of the D portion;
[0019] Figure 7 is a schematic diagram of the structure of the outer cover;
[0020] Figure 8 for Figure 7 EE cross-sectional view.
[0021] Description of the numbers in the figure:
[0022] 1. Outer cover; 2. Inner cover; 3. Air guide cover; 4. Connecting assembly; 201. Left side plate; 202. Right side plate; 203. Connecting rod; 101. Oil guide groove; 204. Air guide plate; 205. Top smoke exhaust port; 206. Bottom smoke exhaust port; 401. U-shaped locking plate; 402. Connecting bolts; 102. Inner plate; 103. Outer plate; 301. Fixed plate; 302. Guide plate; 5. Connecting edge strips; 6. Lifting ring; 7. Crossbeam of rolling mill arch. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model. Example
[0024] See also Figures 1 to 8 , this embodiment includes an outer cover 1, an inner cover 2 and a guide cover 3 arranged on the outside of the rolling mill arch crossbeam 7. The outer cover 1 includes multiple groups of detachable steel plates, and a connecting assembly 4 is arranged between the steel plates, and the steel plates are detachably connected through the connecting assembly 4. The inner cover 2 includes a left side plate 201, a right side plate 202 and a connecting rod 203. An oil guide groove 101 is arranged at the bottom of the inner side of the outer cover 1; a herringbone shape is formed between the left side plate 201 and the right side plate 202, and a guide plate 204 is arranged at the top of the left side plate 201, a top smoke exhaust port 205 is formed between the left side plate 201 and the right side plate 202, and a bottom smoke exhaust port 206 is formed between the bottom of the left side plate 201 and the outer cover 1, and between the bottom of the right side plate 202 and the outer cover 1. There are multiple groups of connecting rods 203, the bottom ends of the connecting rods 203 are rotatably connected to the upper end surfaces of the left side plate 201 and the right side plate 202, and the top ends of the connecting rods 203 are bolted to the inner top of the outer cover 1.
[0025] The design of the outer cover 1 and the inner cover 2 is that the inner cover 2 is designed to be a herringbone structure. At the same time, in the three stages of design, manufacturing and assembly, the smoke exhaust ports between the inner cover 2 and the outer cover 1 and between the inner covers 2 are effectively controlled to make the air volume of smoke recovery reasonably and effectively distributed, thereby improving the smoke recovery rate; with the effective increase in the smoke recovery rate, the power of the smoke recovery fan can be reduced to achieve the purpose of energy saving; the outer cover 1 is designed to be a split structure, which can be disassembled for transportation during transportation to achieve the purpose of reducing transportation costs.
[0026] In this embodiment, the connection assembly 4 includes a U-shaped locking plate 401 and a connecting bolt 402. The edge of the steel plate is provided with a connecting edge strip 5. Adjacent connecting edge strips 5 are buckled by the U-shaped locking plate 401. The connecting bolt 402 passes through the connecting edge strip 5 and the U-shaped locking plate 401. The outer cover 1 is designed as a split structure, and multiple sets of U-shaped locking plates 401 and connecting bolts 402 are used to fasten the joints. It can be split and transported during transportation, thereby reducing transportation costs.
[0027] In this embodiment, the steel plate includes an inner plate 102 and an outer plate 103, and the inner plate 102 and the outer plate 103 are fixedly connected; a double-layer design of the inner plate 102 and the outer plate 103 is adopted, and the bending resistance is strong.
[0028] In this embodiment, two groups of air deflectors 3 are provided, and the two groups of air deflectors 3 are respectively fixed on the feeding end and the discharging end of the rolling mill arch crossbeam 7. The air deflectors 3 include a fixed plate 301 and a guide plate 302. Two groups of guide plates 302 are provided, and the two groups of guide plates 302 are arranged in parallel on the lower end surface of the fixed plate 301 along the air flow direction, and one end of the fixed plate 301 is matched with the inner cover 2; the air deflectors 3 are designed on the arch crossbeam to control the flow direction and flow rate of the oil smoke, with one piece on each side of the inlet and outlet. The two groups of air deflectors 3 and the crossbeam ensure that the oil smoke in the main machine can only enter the inner cover 2 through the reserved exhaust port.
[0029] In this embodiment, a plurality of lifting rings 6 are provided on the top of the outer cover 1; the lifting rings 6 are used to facilitate the installation and lifting of the outer cover.
[0030] The working process of the utility model is as follows:
[0031] The inner cover 2 is designed to be a herringbone structure. At the same time, the smoke exhaust ports between the inner cover 2 and the outer cover 1 and between the inner covers 2 are effectively controlled in the three stages of design, manufacturing and assembly, so that the air volume for smoke recovery is reasonably and effectively distributed, thereby improving the smoke recovery rate; with the effective increase in the smoke recovery rate, the power of the smoke recovery fan can be reduced to achieve the purpose of energy saving; the outer cover 1 is designed to be a split structure, which can be disassembled for transportation during transportation, thereby achieving the purpose of reducing transportation costs.
[0032] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.
Claims
1. An energy-saving detachable exhaust hood for an aluminum cold rolling mill, comprising an outer hood (1), an inner hood (2) and a guide hood (3) arranged outside a crossbeam of a rolling mill arch; the characteristics are: The outer cover (1) comprises a plurality of groups of detachable steel plates, and connecting assemblies (4) are arranged between the steel plates, and the steel plates are detachably connected via the connecting assemblies (4); the inner cover (2) comprises a left side plate (201), a right side plate (202) and a connecting rod (203), and an oil guide groove (101) is arranged at the inner bottom of the outer cover (1); a herringbone shape is formed between the left side plate (201) and the right side plate (202), and a guide plate (204) is arranged at the top of the left side plate (201); A top smoke exhaust port (205) is formed between the left plate (201) and the right plate (202); a bottom smoke exhaust port (206) is formed between the bottom of the left plate (201) and the outer cover (1), and between the bottom of the right plate (202) and the outer cover (1); a plurality of connecting rods (203) are provided, the bottom ends of the connecting rods (203) are rotatably connected to the upper end surfaces of the left plate (201) and the right plate (202), and the top ends of the connecting rods (203) are bolted to the inner top of the outer cover (1).
2. The energy-saving detachable exhaust hood for an aluminum cold rolling mill according to claim 1 is characterized in that: The connection assembly (4) comprises a U-shaped locking plate (401) and a connection bolt (402); a connection edge strip (5) is provided at the edge of the steel plate; adjacent connection edge strips (5) are buckled together via the U-shaped locking plate (401); and the connection bolt (402) passes through the connection edge strip (5) and the U-shaped locking plate (401) for connection.
3. The energy-saving detachable exhaust hood for an aluminum cold rolling mill according to claim 1 is characterized in that: The steel plate comprises an inner plate (102) and an outer plate (103), and the inner plate (102) and the outer plate (103) are fixedly connected.
4. The energy-saving detachable exhaust hood for an aluminum cold rolling mill according to claim 1 is characterized in that: The air guide hood (3) is provided in two groups, and the two groups of air guide hoods (3) are respectively fixed on the feeding end and the discharging end of the rolling mill arch cross beam, the air guide hood (3) comprises a fixed plate (301) and a guide plate (302), and the guide plate (302) is provided in two groups, and the two groups of guide plates (302) are arranged in parallel on the lower end surface of the fixed plate (301) along the air flow direction, and one end of the fixed plate (301) is arranged in cooperation with the inner cover (2).
5. The energy-saving detachable exhaust hood for an aluminum cold rolling mill according to claim 1 is characterized in that: A plurality of hanging rings (6) are provided on the top of the outer cover (1).