High-filtering-efficiency micro-nano structure PI-PTFE composite filter material hot rolling device

By setting up a preheating assembly and a combination of limit bending plates and hot rolls in the hot rolling device, the problem of insufficient ductility of the composite filter material is solved, and the efficient hot rolling effect is achieved, and the performance of the composite filter material is improved.

CN223161187UActive Publication Date: 2025-07-29ZHEJIANG YANPAI FILTRATION TECH
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422452771.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-10
Publication Date
2025-07-29
Estimated Expiration
2034-10-10

AI Technical Summary

Technical Problem

The existing hot rolling devices have poor ductility for composite filter materials, which is difficult to meet the needs of high-temperature flue gas filtration and dust collection.

Method used

A hot rolling device for composite filter material with high filter efficiency micro-nano structure is designed. By setting a preheating assembly and a combination of limit bending plates and hot rolling rollers in the hot rolling chamber, preheating with steam and hot rolling the composite filter material under different bending states, it improves its ductility.

Benefits of technology

It significantly improves the ductility of the composite filter material after hot rolling, and meets the performance requirements of high-temperature flue gas filtration and dust collection.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223161187U_ABST
    Figure CN223161187U_ABST
Patent Text Reader

Abstract

The utility model provides a high-filtration-efficiency micro-nano structure PI-PTFE composite filter material hot rolling device which is characterized in that a hot rolling cavity is formed in a shell, first open grooves are formed in the two end faces of the shell, a plurality of first rotating shafts are rotationally connected to the two side walls of the hot rolling cavity, and guide rollers are fixedly arranged on the outer circle faces of the first rotating shafts in a sleeving mode; a preheating assembly and a rolling assembly are further fixedly connected to the two side walls of the hot rolling cavity, the rolling assembly comprises a limiting bent plate, a first hot rolling plate and a second hot rolling roller, the first hot rolling plate is arranged on the cambered surface of one end of the limiting bent plate, and the second hot rolling roller is arranged on the cambered surface of the other end of the limiting bent plate. According to the scheme, the preheating assembly capable of wetting the composite filter material is arranged in the hot rolling cavity, and the limiting bent plate with two curved surfaces and the first hot rolling plate and the second hot rolling roller which are matched with the pre-limiting bent plate are fixedly connected in the hot rolling cavity; and the first hot rolling plate and the second hot rolling roller are used for performing hot rolling on the two surfaces of the composite filter material in different bending states respectively, so that the ductility of the hot-rolled composite filter material is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of composite filter material processing equipment, in particular to a hot rolling device for high-efficiency micro-nano structure PI-PTFE composite filter material. Background Technique

[0002] In the processing of composite filter materials, the hot rolling process can improve the properties of composite filter materials such as temperature resistance, corrosion resistance, and mechanical strength. This technology is widely used in fields such as high-temperature flue gas filtration and dust collection, especially in the flue gas purification systems of industries such as power, steel, and chemical engineering.

[0003] However, the existing hot rolling devices usually only flatten the composite filter material before hot rolling. Therefore, for the composite filter material after hot rolling, its ductility is relatively poor. Therefore, a hot rolling device that can improve the ductility of the composite filter material is needed. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] Aiming at the deficiencies of the existing technology, the utility model provides a hot rolling device for high-efficiency micro-nano structure PI-PTFE composite filter material, which solves the problems put forward in the above background technique.

[0006] (2) Technical Solutions

[0007] To achieve the above purposes, the utility model is realized through the following technical solutions: A hot rolling device for high-efficiency micro-nano structure PI-PTFE composite filter material, characterized in that: it includes a housing, a hot rolling chamber is opened in the housing, first slots are opened on both end faces of the housing, a number of first rotating shafts are rotatably connected to both side walls of the hot rolling chamber, a guide roller is fixedly sleeved on the outer circumferential surface of the first rotating shaft, a preheating component and a rolling component are also fixedly connected to both side walls of the hot rolling chamber, the rolling component includes a limiting bent plate, a first hot rolling plate and a second hot rolling roller, the first hot rolling plate is arranged on the arc surface at one end of the limiting bent plate, and the second hot rolling roller is arranged on the arc surface at the other end of the limiting bent plate.

[0008] Preferably, the preheating component includes two steam generators and two preheating plates, a number of first openings are opened on both preheating plates, the gap between the two preheating plates corresponds to the first slot, and the two steam generators are respectively arranged on both sides of the two preheating plates.

[0009] Preferably, the limiting bent plate is provided with two curved surfaces, the first hot rolling plate is arranged on the outer circumferential surface side of one curved surface of the limiting bent plate, and the second hot rolling roller is arranged on the inner circumferential surface side of the other curved surface of the limiting bent plate.

[0010] Preferably, a guide plate is fixedly connected to one end of the limiting bent plate close to the first hot-rolled plate.

[0011] Preferably, the corresponding curved surface of the first hot-rolled plate is adapted to the corresponding curved surface of the limiting bent plate, and the corresponding curved surface of the second hot-rolled roll is adapted to the corresponding curved surface of the limiting bent plate.

[0012] Preferably, the first hot-rolled plate is fixedly connected to both side walls of the hot-rolling cavity, and the second hot-rolled roll is rotatably connected to both side walls of the hot-rolling cavity.

[0013] (III) Beneficial effects

[0014] The utility model provides a hot-rolling device for a high-filtering-efficiency micro-nano structure PI-PTFE composite filter material, which has the following beneficial effects:

[0015] 1. In this solution, a preheating component for wetting the composite filter material is arranged in the hot-rolling cavity, and the first hot-rolled plate and the second hot-rolled roll, which are fixedly connected in the hot-rolling cavity and are adapted to the limiting bent plate and the pre-limiting bent plate with two curved surfaces, are arranged in such a way that the first hot-rolled plate and the second hot-rolled roll respectively hot-roll both sides of the composite filter material in different bending states, so as to improve the ductility of the composite filter material after hot-rolling. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the front view structural schematic diagram of the utility model;

[0017] Figure 2 is the right view structural schematic diagram of the utility model;

[0018] Figure 3 is Figure 2 the sectional structural schematic diagram of A-A in

[0019] Figure 4 is Figure 3 the enlarged structural schematic diagram of B in

[0020] In the figure: 11, housing; 12, hot-rolling cavity; 13, first slot; 14, first rotating shaft; 15, guide roll; 16, steam generator; 17, preheating plate; 18, first opening; 20, limiting bent plate; 21, guide plate; 22, first hot-rolled plate; 23, second hot-rolled roll. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The embodiment of the utility model provides a hot-rolling device for a high-filtering-efficiency micro-nano structure PI-PTFE composite filter material, as Figures 1-4 shown, which includes a housing 11, a hot-rolling cavity 12, a first slot 13, a first rotating shaft 14, a guide roll 15, a steam generator 16, a preheating plate 17, a first opening 18, a limiting bent plate 20, a guide plate 21, a first hot-rolled plate 22, and a second hot-rolled roll 23.

[0022] As Figures 1-4 shown, a hot rolling cavity 12 is provided in the outer shell 11, first slots 13 are provided on both end faces of the outer shell 11, a plurality of first rotating shafts 14 are rotatably connected to both side walls of the hot rolling cavity 12, a guide roller 15 is fixedly sleeved on the outer circumferential surface of the first rotating shaft 14, a preheating assembly and a rolling assembly are also fixedly connected to both side walls of the hot rolling cavity 12, the rolling assembly includes a limiting bending plate 20, a first hot rolling plate 22 and a second hot rolling roller 23, the first hot rolling plate 22 is arranged on the arc surface at one end of the limiting bending plate 20, and the second hot rolling roller 23 is arranged on the arc surface at the other end of the limiting bending plate 20.

[0023] The preheating assembly includes two steam generators 16 and two preheating plates 17, a plurality of first openings 18 are provided on both preheating plates 17, the gap between the two preheating plates 17 corresponds to the first slot 13, and the two steam generators 16 are respectively arranged on both sides of the two preheating plates 17.

[0024] It should be noted that the steam generator 16 is a prior art, a conveying device is arranged outside the outer shell 11, the conveying device is used to drive the composite filter material to slide along the plane where the two first slots 13 are located, and the conveying device is a prior art.

[0025] The limiting bending plate 20 is an S-shaped bent metal plate, both ends of the limiting bending plate 20 are respectively fixedly connected to both side walls of the hot rolling cavity 12, two curved surfaces are provided on the limiting bending plate 20, the first hot rolling plate 22 is arranged on the outer circumferential surface side of one curved surface of the limiting bending plate 20, the second hot rolling roller 23 is arranged on the inner circumferential surface side of the other curved surface of the limiting bending plate 20, a guide plate 21 is fixedly connected to one end of the limiting bending plate 20 close to the first hot rolling plate 22. It should be noted that both the first hot rolling plate 22 and the second hot rolling roller 23 have a heating function.

[0026] The first hot rolling plate 22 is adapted to the corresponding curved surface of the limiting bending plate 20, the second hot rolling roller 23 is adapted to the corresponding curved surface of the limiting bending plate 20, the first hot rolling plate 22 is fixedly connected to both side walls of the hot rolling cavity 12, and the second hot rolling roller 23 is rotatably connected to both side walls of the hot rolling cavity 12.

[0027] When hot rolling the high filtration efficiency micro-nano structure PI-PTFE composite filter material in this solution, first, the composite filter material is inserted from the first slot 13 on the side of the outer shell 11 close to the preheating plate 17, passes through between the two guide rollers 15, and passes through between the two preheating plates 17, and then the composite filter material passes through the gap between the guide plate 21 and the limiting bending plate 20, the gap between the first hot rolling plate 22 and the limiting bending plate 20, and the gap between the second hot rolling roller 23 and the limiting bending plate 20 in sequence.

[0028] Then, start the steam generator 16, and the steam generator 16 sprays the preheated steam onto the preheating plate 17. The steam wets the composite filter media through the first opening 18 on the preheating plate 17, and preheats and pre-wets the composite filter media.

[0029] Finally, start the first hot rolling plate 22 and the second hot rolling roll 23. When the composite filter media passes through the gaps between the first hot rolling plate 22 and the limiting bent plate 20 and between the second hot rolling roll 23 and the limiting bent plate 20, the first hot rolling plate 22 and the second hot rolling roll 23 respectively perform hot rolling on both sides of the composite filter media in different bending states, thereby improving the ductility of the composite filter media after hot rolling.

[0030] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hot rolling device for a high filtration efficiency micro-nano structure PI-PTFE composite filter material, characterized in that: It includes a housing (11), a hot rolling chamber (12) is provided in the housing (11), first slots (13) are provided on both end faces of the housing (11), a number of first rotating shafts (14) are rotatably connected to both side walls of the hot rolling chamber (12), a guide roller (15) is fixedly sleeved on the outer circumferential surface of the first rotating shaft (14), a preheating component and a rolling component are also fixedly connected to both side walls of the hot rolling chamber (12), the rolling component includes a limiting bent plate (20), a first hot rolling plate (22) and a second hot rolling roller (23), the first hot rolling plate (22) is arranged on the arc surface at one end of the limiting bent plate (20), and the second hot rolling roller (23) is arranged on the arc surface at the other end of the limiting bent plate (20).

2. The hot rolling device for a high filtration efficiency micro-nano structure PI-PTFE composite filter material according to claim 1, characterized in that: The preheating component includes two steam generators (16) and two preheating plates (17), a number of first openings (18) are provided on both preheating plates (17), the gap between the two preheating plates (17) corresponds to the first slot (13), and the two steam generators (16) are respectively arranged on both sides of the two preheating plates (17).

3. A hot rolling device for a high filtration efficiency micro-nano structure PI-PTFE composite filter material according to claim 2, characterized in that: Two curved surfaces are provided on the limiting bent plate (20), the first hot rolling plate (22) is arranged on the outer circumferential surface side of one curved surface of the limiting bent plate (20), and the second hot rolling roller (23) is arranged on the inner circumferential surface side of the other curved surface of the limiting bent plate (20).

4. A hot rolling device for a high filtration efficiency micro-nano structure PI-PTFE composite filter material according to claim 2, characterized in that: A guide plate (21) is fixedly connected to one end of the limiting bent plate (20) close to the first hot rolling plate (22).

5. A hot rolling device for a high filtration efficiency micro-nano structure PI-PTFE composite filter material according to claim 3, characterized in that: The first hot rolling plate (22) is adapted to the corresponding curved surface of the limiting bent plate (20), and the second hot rolling roller (23) is adapted to the corresponding curved surface of the limiting bent plate (20).

6. The hot rolling device for a high filtration efficiency micro-nano structure PI-PTFE composite filter material according to claim 3, characterized in that: The first hot rolling plate (22) is fixedly connected to both side walls of the hot rolling chamber (12), and the second hot rolling roller (23) is rotatably connected to both side walls of the hot rolling chamber (12).