CN218857491U - Fume extractor for forming roller of PVC (polyvinyl chloride) film unit - Google Patents
Fume extractor for forming roller of PVC (polyvinyl chloride) film unit Download PDFInfo
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- CN218857491U CN218857491U CN202223369208.XU CN202223369208U CN218857491U CN 218857491 U CN218857491 U CN 218857491U CN 202223369208 U CN202223369208 U CN 202223369208U CN 218857491 U CN218857491 U CN 218857491U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to a smoke exhaust device for a forming roller of a PVC film unit, which comprises a smoke exhaust hood assembly, an even air structure, an adjusting device, an oil smoke sedimentation device and an exhaust fan; the smoke absorption hood assembly comprises a smoke absorption pipe, a first side wall plate, a second side wall plate, a third side wall plate and a fourth side wall plate; the smoke suction pipe is provided with a smoke inlet; the adjusting device comprises a swing arm, a fixed shaft and a cylinder; the middle part of the swing arm is fixedly connected with a rotating shaft; a rod end joint bearing is fixedly connected to a cylinder rod of the cylinder, and an inner ring of the rod end joint bearing is tightly matched with the rotating shaft; compared with the prior art, the beneficial effects of the utility model are that: through the adjusting device, when the film is prevented from being guided, the film is interfered with the smoke absorption hood, and the smoke absorption pipe is prevented from being partially blocked through the arranged air homogenizing pipe.
Description
Technical Field
The utility model belongs to the technical field of the oil smoke collection technique and specifically relates to a PVC film unit is fume extractor for forming roll.
Background
When a PVC film unit works, a film is formed on a forming roller, and oil smoke is inevitably released due to heating in the film forming process, so that a fixed air cover is installed at present; because the film needs to be guided on the forming roller, the fixed fan cover needs to be away from the forming roller by a certain distance, the power of an exhaust fan is low, oil smoke cannot be completely exhausted, and if the exhaust fan with high power is installed, electricity is consumed, and the problem needs to be solved;
when the existing wind cover is used, the phenomenon that the smoke inlet holes arranged at individual positions on the wind cover are blocked prematurely is also found, and the observation shows that the smoke is more at the position, so that local oil smoke needs to be scattered to avoid the premature blocking of the individual smoke inlet holes, and the problem also needs to be solved.
Disclosure of Invention
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a PVC film unit is fume extractor for forming roll can adjust the distance of smoke suction hood and forming roll, and then the smoking is cleaner, also can break up the flue gas simultaneously for the even entering smoke suction pipe of flue gas avoids local too early to block up.
In order to solve the problems, the utility model adopts the following technical proposal,
a smoke exhaust device for a forming roller of a PVC film unit is arranged near the forming roller of the PVC film unit; the device comprises a smoke suction hood assembly arranged on a wallboard of a PVC (polyvinyl chloride) film unit, an adjusting device for adjusting the distance between the smoke suction hood assembly and a forming roller, an oil smoke sedimentation device communicated with the smoke suction hood assembly and an exhaust fan for smoking; the oil smoke sedimentation device is communicated with an air inlet of the exhaust fan.
Furthermore, the smoke absorption hood assembly comprises a smoke absorption pipe, a first side wall plate, a second side wall plate, a third side wall plate and a fourth side wall plate, wherein two ends of the smoke absorption pipe are communicated with the smoke sedimentation device; the first side wall plate, the third side wall plate, the second side wall plate, the fourth side wall plate and the smoking pipe form a cover body with one open end; the smoke absorbing pipe is provided with two rows of a plurality of strip-shaped oil smoke inlet holes towards the opening end of the cover body; both ends of the smoke absorbing pipe are communicated with the oil smoke sedimentation device.
Furthermore, the cover body is internally provided with an even air structure for preventing the individual oil smoke inlet holes from being blocked prematurely.
Further, the air uniformizing structure comprises an air uniformizing pipe and an air source, wherein the air uniformizing pipe is respectively fixed with the third side wall plate and the fourth side wall plate, and the air source is communicated with the air uniformizing pipe; the air uniformizing pipe is close to the opening end of the cover body; the air homogenizing pipe is provided with air homogenizing holes for scattering oil smoke; the air homogenizing hole is vertical to the oil smoke inlet hole.
When the smoke suction hood assembly is used, the oil smoke exhausted by the exhaust fan can be exhausted only by treatment, and the oil smoke is treated by a special treatment device at one time, so that the oil smoke is completely treated, and the required equipment is high in cost; if the oil in the smoke can be collected step by step, a high-cost oil fume treatment device is not needed; therefore, it is necessary to add a soot settling device between the exhaust fan and the smoke suction pipe.
Furthermore, one end of the smoke absorbing pipe is fixedly communicated with a first smoke outlet pipe; the other end of the smoke suction pipe is fixedly communicated with a second smoke outlet pipe; the oil fume settling device is a circular pipe;
one end of the oil fume settling device is provided with a first smoke inlet pipe communicated with a first smoke outlet pipe through a flexible plastic pipe and a second smoke inlet pipe communicated with a second smoke outlet pipe through a flexible plastic pipe;
the first smoke inlet pipe and the second smoke inlet pipe have the same diameter;
the other end of the oil fume settling device is communicated with an exhaust fan;
the diameter of the oil fume settling device is more than twice that of the first smoke inlet pipe;
and a liquid discharge valve is arranged at the bottom of the middle of the oil smoke sedimentation device.
Furthermore, one surface of the first side wall plate, which is far away from the smoking pipe, is fixedly connected with a base; the adjusting device comprises a swing arm, a fixed shaft and a cylinder, wherein one end of the swing arm is fixedly connected with the base, the fixed shaft is rotatably connected with the other end of the swing arm, and the cylinder is hinged with the middle part of the swing arm through a cylinder rod; the cylinder body of the cylinder is hinged with a wall plate of the PVC film unit; the fixed shaft is fixedly connected with a wall plate of the PVC film unit.
Furthermore, the middle part of the swing arm is fixedly connected with a rotating shaft; and a rod end joint bearing is fixedly connected to a cylinder rod of the cylinder, and the inner ring of the rod end joint bearing is tightly matched with the rotating shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the adjusting device comprises a swing arm, a fixed shaft and a cylinder, wherein one end of the swing arm is fixedly connected with the base, the fixed shaft is rotatably connected with the other end of the swing arm, and the cylinder is hinged with the middle part of the swing arm through a cylinder rod; the cylinder body of the cylinder is hinged with a wall plate of the PVC film unit; the fixed shaft is fixedly connected with a wall plate of the PVC film unit; the cylinder rod extends to drive a swing arm hinged with the cylinder rod, and the swing arm drives a smoke suction hood assembly fixed with the swing arm to move upwards and close to the forming roller for smoking;
when the film is required to be guided, the air cylinder rod is contracted, and the swing arm drives the smoke suction hood assembly to descend, so that the film is conveniently guided.
2. The oil smoke can be scattered through the arranged air homogenizing pipe and the air homogenizing hole, and the phenomenon that the oil smoke inlet of the smoke suction pipe is partially blocked to cause unclean smoke is avoided.
3. Through the oil smoke sedimentation device and the drain valve; because the diameter of the oil smoke sedimentation device is far larger than the diameters of the first smoke inlet pipe and the second smoke inlet pipe, the speed of the oil smoke in the oil smoke sedimentation device is reduced, the oil and water in the oil smoke can be settled and stored, and finally the oil smoke is discharged through the discharge valve, so that the cost required by the subsequent treatment of the oil smoke is reduced as much as possible.
Drawings
Fig. 1 is a schematic view of the installation of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a left side view of the structure of the present invention;
fig. 4 is a schematic structural view of the lampblack settling device;
FIG. 5 is a schematic view of FIG. 4 taken along line D;
FIG. 6 is a front sectional view showing the structure of the smoke suction hood assembly;
FIG. 7 is an enlarged view at C of FIG. 6;
fig. 8 is a structural schematic left side view of the smoke suction hood assembly.
The reference numbers in the figures illustrate:
1. a PVC film machine set; 2. a forming roller;
3. a smoke exhaust hood assembly; 32. a second sidewall plate; 33. a third side wall panel; 34. a first side wall panel; 35. a base; 36. an air homogenizing pipe; 37. air homogenizing holes; 38. a fourth side wall panel; 39. reinforcing rib plates;
4. swinging arms; 41. a fixed shaft; 42. a rotating shaft; 43. a rod end oscillating bearing; 44. a cylinder;
5. a smoking pipe; 51. oil smoke inlet holes; 52. a first smoke outlet pipe; 53. a second smoke outlet pipe;
6. an oil fume settling device; 61. a drain valve; 62. a first smoke inlet pipe; 63. a second smoke inlet pipe; 64. a third smoke outlet pipe;
7. an exhaust fan; 71. a motor;
8. and a limiting block.
Detailed Description
It should be noted at the outset that the discussion of any embodiment of the present invention is merely exemplary in nature, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; there are many other variations of the different aspects of the invention as described above which are not provided in detail for the sake of brevity. Accordingly, other embodiments are within the scope of the following claims.
It should be noted that the terms "first", "second", etc. are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the above-mentioned terms do not have special meanings, especially do not have specific meanings of "primary, secondary" or arrangement order, and therefore should not be construed as limiting the scope of the present application.
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Example 1
As shown in fig. 1-8:
as shown in fig. 1 and 2, a fume extractor for a forming roll of a PVC film machine set is installed near a forming roll 2 of a PVC film machine set 1; the device comprises a smoke suction hood assembly 3 arranged on a wallboard of a PVC film unit 1, an adjusting device for adjusting the distance between the smoke suction hood assembly 3 and a forming roller 2, an oil smoke sedimentation device 6 communicated with the smoke suction hood assembly 3 and an exhaust fan 7 for smoking; the oil smoke sedimentation device 6 is communicated with an air inlet of the exhaust fan 7; the suction fan 7 is provided with a motor 71.
As shown in fig. 8, the smoke suction hood assembly 3 includes a smoke suction pipe 5 having both ends communicated with the smoke sedimentation device 6, a first side wall plate 34 fixed vertically to one side of the smoke suction pipe 5, a second side wall plate 32 fixed obliquely to the other side of the smoke suction pipe 5, a third side wall plate 33 fixedly connected to one end of the smoke suction pipe 5, and a fourth side wall plate 38 fixedly connected to the other end of the smoke suction pipe 5;
the first side wall plate 34, the third side wall plate 33, the second side wall plate 32, the fourth side wall plate 38 and the smoking pipe 5 form a cover body with an opening on one side; the opening of the cover body is used for collecting oil smoke; the joints of the first side wall plate 34, the third side wall plate 33, the second side wall plate 32, the fourth side wall plate 38 and the smoke absorbing pipe 5 are welded in a seamless manner, so that smoke is prevented from leaking; meanwhile, the seam is avoided, the power of the exhaust fan 7 needs to be increased, and the energy is wasted.
The smoke absorbing pipe 5 is provided with two rows of a plurality of strip-shaped oil smoke inlet holes 51 towards the opening end of the cover body; both ends of the smoke absorbing pipe 5 are communicated with the oil smoke sedimentation device 6.
The cover body is internally provided with an air-homogenizing structure for preventing the individual oil smoke inlet holes 51 from being blocked prematurely;
as shown in fig. 8, the air uniformizing structure includes an air uniformizing duct 36 fixed to the third side wall plate 33 and the fourth side wall plate 38, respectively, and an air source communicated with the air uniformizing duct 36;
the air homogenizing pipe 36 is close to the opening end of the cover body; the air homogenizing pipe 36 is provided with a plurality of air homogenizing holes 37 for scattering oil smoke; the air homogenizing holes 37 are arranged at equal intervals along the length direction of the air homogenizing pipe 36, and the air homogenizing holes 37 are perpendicular to the oil smoke inlet hole 51. Thus, when the oil smoke inlet hole 51 is filled with oil smoke, the oil smoke is scattered by the wind of the wind equalizing hole 37, and the phenomenon that the local oil smoke inlet hole 51 is blocked by the clustered oil smoke too early is avoided;
as shown in fig. 4-5, one end of the smoking pipe 5 is fixedly communicated with a first smoke outlet pipe 52; the other end of the fume absorbing pipe 5 is fixedly communicated with a second fume outlet pipe 53; the oil fume sedimentation device 6 is a circular pipe;
one end of the oil smoke sedimentation device 6 is provided with a first smoke inlet pipe 62 communicated with the first smoke outlet pipe 52 through a flexible pipe and a second smoke inlet pipe 63 communicated with the second smoke outlet pipe 53 through a flexible pipe;
the first smoke inlet pipe 62 and the second smoke inlet pipe 63 have the same diameter;
the other end of the oil fume settling device 6 is communicated with an exhaust fan 7;
the diameter of the lampblack settling device 6 is more than twice that of the first smoke inlet pipe 62; through repeated tests, the diameter of the oil fume settling device 6 is preferably three times that of the first smoke inlet pipe 62, and if the oil fume settling device 6 is too thick, the cost is high, the oil fume settling device is too thin, and if the smoke speed is high, the oil and water settling effect is poor;
and a liquid discharge valve 61 is arranged at the bottom of the middle of the oil smoke sedimentation device 6.
As shown in fig. 2 and 3, a base 35 is fixedly connected to a side of the first side wall plate 34 away from the smoking pipe 5; the adjusting device comprises a swing arm 4, one end of which is fixedly connected with the base 35, a fixed shaft 41 which is rotatably connected with the other end of the swing arm 4, and a cylinder 44, the cylinder rod of which is hinged with the middle part of the swing arm 4; the cylinder body of the cylinder 44 is hinged with the wall plate of the PVC film unit 1; the fixed shaft 41 is fixedly connected with the wall plate of the PVC film unit 1.
The middle part of the swing arm 4 is fixedly connected with a rotating shaft 42; a rod end joint bearing 43 is fixedly connected to a cylinder rod of the cylinder 44, and an inner ring of the rod end joint bearing 43 is tightly matched with the rotating shaft 42.
The utility model discloses a working process:
before the PVC film unit 1 guides the film, a cylinder rod of the cylinder 44 contracts to drive the rocker arm 4 to rotate downwards around the fixed shaft 41, and the cover body is far away from the forming roller 2; enough space is left between the cover body and the forming roller 2 for guiding the film,
after the membrane guiding of the unit is finished, the cylinder rod of the cylinder 44 extends, the rocker arm 4 rotates upwards around the fixed shaft 41, the hood body of the smoke absorption hood is close to the forming roller 2, the cylinder stops, and the smoke absorption hood assembly can work;
simultaneously starting an air source and an exhaust fan 7, wherein compressed air of the air source passes through an air homogenizing pipe 36 and an air homogenizing hole 37, and the agglomerated oil smoke is scattered at the opening of the hood body to avoid aggregation; the exhaust fan 7 forms negative pressure on the inlet of the hood body, the oil smoke enters the smoke absorbing pipe 5 through the oil smoke inlet hole 51, the oil smoke is collected into the oil smoke sedimentation device 6 through the first smoke outlet pipe 52 → the first smoke inlet pipe 62, the second smoke outlet pipe 53 → the second smoke outlet pipe 63 at the two ends of the smoke absorbing pipe 5, most of liquid (such as oil and water) can be sedimentated to the bottom of the oil smoke sedimentation device 6 through speed reduction sedimentation, the liquid can be discharged once after a period of time, and the air containing a small amount of smoke is exhausted through the exhaust fan 7 and is emptied after being filtered; most of liquid in the flue gas is collected through the oil smoke settling device 6, so that the working pressure of subsequent treatment is reduced.
Example 2
This embodiment has basically the same structure as embodiment 1,
the difference is that the temperature of the molten steel is lower than that of the molten steel,
as shown in fig. 8, a plurality of reinforcing rib plates 39 are arranged between the third side wall plate 33 and the fourth side wall plate 38; the strength of the cover body is increased, and the cover body is prevented from deforming.
The working principle of the embodiment is basically the same as that of the embodiment 1; it will not be described in detail.
Example 3
The structure of the embodiment is basically the same as that of the embodiment 1,
the difference is that the temperature of the water tank is controlled,
a third smoke outlet pipe 64 is arranged at one end of the oil smoke sedimentation device 6 communicated with the exhaust fan 7, the diameter of the third smoke outlet pipe 64 cannot be too thick, otherwise, the smoke reaches a certain speed, and the required power of the exhaust fan 7 is too large, so that the energy conservation is influenced; the diameter of the third smoke outlet pipe 64 is preferably one third of the diameter of the soot settling device 6.
The working principle of the embodiment is basically the same as that of the embodiment 1; will not be described in detail.
Example 4
The structure of the embodiment is basically the same as that of the embodiment 1,
the difference lies in, the top of rocking arm 4 is equipped with the stopper 8 that prevents that the cover body of smoke suction hood assembly 3 from colliding with shaping roller 2, and stopper 8 is fixed on PVC film unit 1, and when drawing the membrane and accomplishing, when needing the smoking of smoke suction hood assembly, stopper 8 and rocking arm 4 butt prevent that the cover body from colliding with shaping roller 2.
The working principle of the embodiment is basically the same as that of the embodiment 1; it will not be described in detail.
At present, the technical scheme of the application adopts the best implementation mode of the embodiment 1, and a pilot test is carried out, namely a small-scale experiment of a product before large-scale mass production; after the pilot plant test is finished, user use investigation is developed in a small range, and the investigation result shows that the user satisfaction is high; now, the preparation of products for formal production and industrialization are started; the above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. A smoke exhaust device for a forming roller of a PVC film unit is arranged near a forming roller (2) of the PVC film unit (1); the device is characterized by comprising a smoke suction hood assembly (3) arranged on a wallboard of a PVC (polyvinyl chloride) film unit (1), an adjusting device for adjusting the distance between the smoke suction hood assembly (3) and a forming roller (2) and an exhaust fan (7) for smoking; the smoke suction hood assembly (3) is communicated with an air inlet of the exhaust fan (7);
the smoke absorption cover assembly (3) comprises a smoke absorption pipe (5) with two ends communicated with the exhaust fan (7), a first side wall plate (34) vertically fixed with one side of the smoke absorption pipe (5), a second side wall plate (32) obliquely fixed with the other side of the smoke absorption pipe (5), a third side wall plate (33) fixedly connected with one end of the smoke absorption pipe (5) and a fourth side wall plate (38) fixedly connected with the other end of the smoke absorption pipe (5);
the first side wall plate (34), the third side wall plate (33), the second side wall plate (32), the fourth side wall plate (38) and the smoking pipe (5) form a cover body with an opening on one side; the smoke absorbing pipe (5) is provided with two rows of a plurality of strip-shaped oil smoke inlet holes (51) towards the opening surface of the cover body; both ends of the smoke absorbing pipe (5) are communicated with an air inlet of the exhaust fan (7);
one surface of the first side wall plate (34) far away from the smoking pipe (5) is fixedly connected with a base (35); the adjusting device comprises a swing arm (4) with one end fixedly connected with the base (35), a fixed shaft (41) rotatably connected with the other end of the swing arm (4), and a cylinder (44) with a cylinder rod hinged with the middle part of the swing arm (4); the cylinder body of the cylinder (44) is hinged with a wall plate of the PVC film unit (1); the fixed shaft (41) is fixedly connected with a wall plate of the PVC film unit (1).
2. The fume extractor for the forming roll of the PVC film machine set as claimed in claim 1, wherein: the middle part of the swing arm (4) is fixedly connected with a rotating shaft (42); a rod end joint bearing (43) is fixedly connected to a cylinder rod of the cylinder (44), and an inner ring of the rod end joint bearing (43) is in tight fit with the rotating shaft (42).
3. The fume extractor for the forming roller of the PVC film machine set according to claim 2, is characterized in that: the cover body is internally provided with an air-homogenizing structure for preventing the local oil smoke inlet holes (51) from being blocked prematurely.
4. The fume extractor for the forming roller of the PVC film machine set according to claim 3, is characterized in that: the air uniformizing structure comprises an air uniformizing pipe (36) and an air source, wherein the air uniformizing pipe (36) is fixed with the third side wall plate (33) and the fourth side wall plate (38) respectively, and the air source is communicated with the air uniformizing pipe (36); the air homogenizing pipe (36) is close to the opening end of the cover body; the air homogenizing pipe (36) is provided with air homogenizing holes (37) for scattering oil smoke; the air-homogenizing hole (37) is vertical to the oil smoke inlet hole (51).
5. A fume extractor for a PVC film machine set forming roller according to claim 4, characterized in that: the oil smoke sedimentation device (6) is communicated with the smoke suction hood assembly (3) at one end; the other end of the oil fume settling device (6) is communicated with an air inlet of an exhaust fan (7); the oil fume settling device (6) is a circular pipe;
one end of the fume absorbing pipe (5) is fixedly communicated with a first fume outlet pipe (52); the other end of the smoke absorbing pipe (5) is fixedly communicated with a second smoke outlet pipe (53);
one end of the oil smoke sedimentation device (6) is provided with a first smoke inlet pipe (62) communicated with the first smoke outlet pipe (52) through a flexible plastic pipe and a second smoke inlet pipe (63) communicated with the second smoke outlet pipe (53) through a flexible plastic pipe;
the first smoke inlet pipe (62) and the second smoke inlet pipe (63) have the same diameter;
the diameter of the oil smoke sedimentation device (6) is more than twice that of the first smoke inlet pipe (62);
and a liquid discharge valve (61) is arranged at the bottom of the middle of the oil smoke settling device (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223369208.XU CN218857491U (en) | 2022-12-15 | 2022-12-15 | Fume extractor for forming roller of PVC (polyvinyl chloride) film unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223369208.XU CN218857491U (en) | 2022-12-15 | 2022-12-15 | Fume extractor for forming roller of PVC (polyvinyl chloride) film unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218857491U true CN218857491U (en) | 2023-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223369208.XU Active CN218857491U (en) | 2022-12-15 | 2022-12-15 | Fume extractor for forming roller of PVC (polyvinyl chloride) film unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218857491U (en) |
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- 2022-12-15 CN CN202223369208.XU patent/CN218857491U/en active Active
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