CN213596190U - VOC device in polypropylene is taken off to vapour method - Google Patents
VOC device in polypropylene is taken off to vapour method Download PDFInfo
- Publication number
- CN213596190U CN213596190U CN202022128046.5U CN202022128046U CN213596190U CN 213596190 U CN213596190 U CN 213596190U CN 202022128046 U CN202022128046 U CN 202022128046U CN 213596190 U CN213596190 U CN 213596190U
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- Prior art keywords
- steam
- plate
- polypropylene
- inverted
- voc
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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 30
- -1 polypropylene Polymers 0.000 title claims abstract description 30
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 96
- 230000008676 import Effects 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 abstract description 12
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Abstract
The utility model discloses a VOC device in polypropylene is taken off to vapour method relates to polypropylene production technical field, which comprises a housin, material import, the material export, the air outlet, a plurality of material subassemblies and a plurality of steam distribution subassembly that divide, material import and air outlet set up in the casing upper end, the material export sets up in the casing lower extreme, be provided with the valve in the material export, a plurality of material subassemblies and a plurality of steam distribution subassembly from top to bottom interval in proper order set up in the casing, divide the material subassembly to include a plurality of branch flitchs, the steam distribution subassembly includes a plurality of steam distributor and a plurality of steam supply pipe, the steam supply pipe is used for letting in steam to steam distributor. The utility model provides a VOC device in polypropylene is taken off to vapour method has promoted the effect of taking off VOC, makes VOC content reduce in the polypropylene, and then satisfies market demand and environmental protection requirement.
Description
Technical Field
The utility model relates to a polypropylene production technical field especially relates to a VOC device in polypropylene is taken off to vapour method.
Background
The polypropylene has the advantages of excellent mechanical property, processability and the like, is widely applied to automobile interior parts such as automobile instrument panels, control panels, door panels, seat parts, glove boxes, air conditioning systems and the like, accounts for about 40 percent of automobile plastic, and is also a main raw material of civil products such as masks and the like. At present, domestic polypropylene is mostly produced by a liquid-phase bulk polymerization method, the VOC content in the product exceeds 200ppm, and the polypropylene product releases VOC harmful to human health to different degrees at higher temperature.
GB/T27630 'guide for evaluating air quality in passenger cars' has been revised from recommended guide to mandatory national standard, and the VOC content of polypropylene is regulated to be less than 80ppm by the car and enterprise industry. Polypropylene for masks also needs to be further VOC-removed in order to reduce the taste. In order to meet market demand and environmental requirements, polypropylene manufacturers must further reduce the VOC content of polypropylene. At present, equipment for removing VOC by using nitrogen gas circulation and heating VOC indirectly by using steam is available in China, but equipment for removing VOC directly by using steam is not available.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides a VOC device in polypropylene is taken off to vapour method has promoted the effect of taking off VOC, makes VOC content reduce in the polypropylene, and then satisfies market demand and environmental protection requirement.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a VOC device in polypropylene is taken off to vapour method, including casing, material import, material export, air outlet, a plurality of branch material subassembly and a plurality of steam distribution subassembly, the material import with the air outlet set up in the casing upper end, the material export set up in the casing lower extreme, be provided with the valve in the material export, it is a plurality of divide the material subassembly and a plurality of steam distribution subassembly from top to bottom interval in proper order set up in the casing, divide the material subassembly to include a plurality of branch flitchs, steam distribution subassembly includes a plurality of steam distributor and a plurality of steam supply pipe, the steam supply pipe be used for to steam distributor lets in steam.
Preferably, a plurality of the material distributing plates in the same material distributing assembly are parallel to each other and are located on the same horizontal plane.
Preferably, the material distributing plate is an inverted V-shaped material distributing plate.
Preferably, a first mounting plate is arranged on one side of the inner wall of the shell, a plurality of first mounting holes corresponding to the first mounting plate are formed in the other side of the shell, one distributing plate penetrates through one first mounting hole to extend into the shell and is arranged on the first mounting plate, and a first closed baffle is arranged at one end, far away from the first mounting plate, of the distributing plate.
Preferably, the steam distributor comprises an inverted V-shaped plate and a porous plate fixed at the bottom of the inverted V-shaped plate, the inverted V-shaped plates in the steam distribution assembly are parallel to each other and are located on the same horizontal plane, and the adjacent inverted V-shaped plates are perpendicular to the material distribution plate.
Preferably, the steam supply pipe extends into and penetrates through the inverted-V-shaped plates from one side of the shell, and a steam supply hole is formed in the part, located below the inverted-V-shaped plates, of the steam supply pipe.
Preferably, the steam supply pipe and the inverted V-shaped plate are perpendicular to each other.
Preferably, shells inner wall one side is provided with the second mounting panel, the opposite side of casing be provided with a plurality ofly with the corresponding second mounting hole in second mounting panel position, one steam distributor passes one the second mounting hole extends in the casing and set up in on the second mounting panel, steam distributor keeps away from the one end of second mounting panel is provided with the second and seals the baffle.
Preferably, the valve is a rotary valve.
The utility model discloses for prior art gain following technological effect:
the utility model provides a VOC device in polypropylene is taken off to vapour method, material import and air outlet set up in the casing upper end, and the material export sets up in the casing lower extreme, and a plurality of branch material subassemblies and a plurality of steam distribution subassembly from top to bottom interval in proper order set up in the casing, divides the material subassembly to include a plurality of branch flitchs, and steam distribution subassembly includes a plurality of steam distributor and a plurality of steam supply pipe, and the steam supply pipe is used for letting in steam to steam distributor. The material gets into the casing from the material import, and the branch material effect through dividing the flitch makes the material evenly remove to the material export for material and steam fully contact, steam let in steam distributor from supplying the steam pipe, distribute through steam distributor and carry out direct heating for even steam to the material and take off VOC, and a small amount of steam through the heat transfer becomes the lime set and discharges from the material exit together with the material, carries VOC after most steam cooling and discharges from the air outlet. The utility model discloses a make steam and material direct contact, and make the two contact ground more abundant through dividing the flitch, promoted and take off VOC's effect, VOC content reduces in making the polypropylene, and then satisfies market demand and environmental protection requirement.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an apparatus for removing VOC in polypropylene by a vapor method according to the present invention;
fig. 2 is a schematic structural diagram of a porous plate in a device for removing VOC from polypropylene by a vapor method.
Description of reference numerals: 1. a housing; 2. a material inlet; 3. an air outlet; 4. a material outlet; 5. a material distributing plate; 6. a steam distributor; 7. a steam supply pipe; 8. a steam supply hole; 9. a steam inlet; 10. a perforated plate; 11. a first through hole; 12. a second via.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a VOC device in polypropylene is taken off to vapour method has promoted the effect of taking off VOC, makes VOC content reduce in the polypropylene, and then satisfies market demand and environmental protection requirement.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, the embodiment provides a device for removing VOC from polypropylene by a vapor method, which comprises a housing 1, a material inlet 2, a material outlet 4, an air outlet 3, a plurality of material distribution assemblies and a plurality of steam distribution assemblies, wherein the material inlet 2 and the air outlet 3 are arranged at the upper end of the housing 1, the material outlet 4 is arranged at the lower end of the housing 1, and a valve is arranged on the material outlet 4, specifically, the valve is a rotary valve. A plurality of material distribution assemblies and a plurality of steam distribution assemblies are arranged in the shell 1 from top to bottom at intervals in sequence, and specifically, the part closest to the material inlet 2 is the uppermost material distribution assembly. Divide the material subassembly to include a plurality of branch flitch 5, steam distribution subassembly includes a plurality of steam distributor 6 and a plurality of steam supply pipe 7, and steam supply pipe 7 is used for letting in steam to steam distributor 6.
Specifically, the material distributing plates 5 in the same material distributing assembly are parallel to each other and are located on the same horizontal plane. The material distributing plate 5 is an inverted V-shaped material distributing plate. The material distributing effect of the inverted V-shaped material distributing plate can enable the material to uniformly move towards the discharge port, so that the material is more fully contacted with steam, material dead angles in the shell 1 can be avoided, and the material is prevented from being denatured due to too long retention time.
Specifically, casing 1 inner wall one side is provided with first mounting panel, the opposite side of casing 1 is provided with a plurality of first mounting holes corresponding with first mounting panel position, first mounting hole and branch flitch 5 structure phase-match, specifically, first mounting hole is the triangle-shaped hole, a branch flitch 5 passes a first mounting hole and extends in casing 1 and sets up on first mounting panel, the one end that divides flitch 5 to keep away from first mounting panel is provided with first closure baffle, avoid steam to be discharged by first mounting hole through setting up first closure baffle.
Specifically, the end of the material distributing plate 5 away from the first mounting plate is flush with the outer wall of the housing 1 or extends to the outside of the housing 1, so that the housing 1 provides support for the end of the material distributing plate 5. In order to make the material distributing plate 5 more stable, the material distributing plate 5 may be fixed to the first mounting plate.
Specifically, steam distributor 6 includes the perforated plate 10 that falls the V-arrangement board and be fixed in the V-arrangement board bottom that falls, and a plurality of fall V-arrangement boards in the same steam distribution subassembly are parallel to each other and are located same horizontal plane, and adjacent fall V-arrangement board and divide flitch 5 mutually perpendicular. Steam distributor 6 also can play the branch material effect for the material distributes ground more evenly, and the material can fully contact with steam, strengthens the heat transfer effect, and then promotes the effect of taking off VOC.
As shown in fig. 2, a plurality of first hole groups and a plurality of second hole groups are arranged on the porous plate 10, the first hole groups and the second hole groups are arranged in a staggered manner along the length direction of the porous plate 10, the first hole groups comprise a plurality of first through holes 11 which are sequentially arranged along the width direction of the porous plate 10, and the second hole groups comprise a plurality of second through holes 12 which are sequentially arranged along the width direction of the porous plate 10. Specifically, the diameters of the first through hole 11 and the second through hole 12 are smaller than the minimum particle size of the material.
In this embodiment, the distance between two adjacent first through holes 11 is 3cm, the distance between two adjacent second through holes 12 is 3cm, and the diameters of the first through holes 11 and the second through holes 12 are both 2 cm. The included angle between one first through hole 11 in the first hole group and two adjacent second through holes 12 in the second hole group is 60 degrees, and the included angle between one second through hole 12 in the second hole group and two adjacent first through holes 11 in the first hole group is 60 degrees. The opening ratio of the perforated plate 10 was 30%.
Specifically, the steam supply pipe 7 extends into and penetrates through the inverted-V-shaped plates from one side of the shell 1, and a steam supply hole 8 is formed in the part, located below the inverted-V-shaped plates, of the steam supply pipe 7. One end of the steam supply pipe 7 is positioned outside the shell 1 and serves as a steam inlet 9, steam enters from the steam inlet 9 of the steam supply pipe 7 and enters the corresponding steam distributor 6 through the steam supply holes 8 and is uniformly distributed to the shell 1 through the porous plates 10, so that the steam is uniformly in direct contact with materials, and the materials are uniformly and quickly heated.
In this embodiment, the steam supply pipe 7 is perpendicular to the inverted V-shaped plate.
Specifically, casing 1 inner wall one side is provided with the second mounting panel, second mounting panel and first mounting panel mutually perpendicular, the opposite side of casing 1 is provided with a plurality of second mounting holes corresponding with second mounting panel position, second mounting hole and steam distributor 6 structure phase-match, specifically, the second mounting hole is the triangle-shaped hole, a steam distributor 6 passes a second mounting hole and extends in casing 1 and set up on the second mounting panel, the one end that steam distributor 6 kept away from the second mounting panel is provided with the second closure flap, avoid steam to be discharged by the second mounting hole through setting up the second closure flap.
In particular, the end of the steam distributor 6 remote from the second mounting plate is flush with the outer wall of the casing 1 or extends outside the casing 1, so that the casing 1 provides support for this end of the steam distributor 6. In order to make the steam distributor 6 more stable, it is also possible to fix the steam distributor 6 to the second mounting plate.
The during operation, the material gets into casing 1 from material import 2, divide the branch material effect through minute flitch 5 to make the material evenly remove to material export 4 for the material fully contacts with steam, steam lets in steam distributor 6 from supplying steam pipe 7, distributes through steam distributor 6 and carries out direct heating and take off VOC to the material for even steam, and a small amount of steam through the heat transfer becomes the lime set and discharges from material export 4 together with the material, carries VOC after most steam cooling from air outlet 3 discharges. Specifically, air outlet 3 department is provided with the draught fan, through the flow of rotary valve control material when the material after taking off VOC is discharged from material export 4. Through making steam and material direct contact, and make the two contact more abundant through dividing flitch 5 in this embodiment, promoted and taken off VOC's effect, VOC content reduces in making the polypropylene, and then satisfies market demand and environmental protection requirement.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. The utility model provides a VOC device in polypropylene is taken off to vapour method, its characterized in that, includes casing, material import, material export, air outlet, a plurality of material subassembly and a plurality of steam distribution subassembly of dividing, the material import with the air outlet set up in the casing upper end, the material export set up in the casing lower extreme, be provided with the valve in the material export, it is a plurality of divide material subassembly and a plurality of steam distribution subassembly from top to bottom interval in proper order set up in the casing, divide the material subassembly to include a plurality of branch flitchs, steam distribution subassembly includes a plurality of steam distributors and a plurality of steam supply pipe, steam supply pipe be used for to steam distributor lets in steam.
2. The apparatus of claim 1, wherein the plurality of material distributing plates in the same material distributing assembly are parallel to each other and located on the same horizontal plane.
3. The apparatus for removing VOC in polypropylene by vapor method according to claim 2, wherein said material distributing plate is an inverted V-shaped material distributing plate.
4. The apparatus according to claim 3, wherein a first mounting plate is disposed on one side of the inner wall of the housing, a plurality of first mounting holes are disposed on the other side of the housing corresponding to the first mounting plate, a material distributing plate extends into the housing through one of the first mounting holes and is disposed on the first mounting plate, and a first closing baffle is disposed at an end of the material distributing plate away from the first mounting plate.
5. The apparatus of claim 2, wherein the steam distributor comprises an inverted V-shaped plate and a perforated plate fixed to the bottom of the inverted V-shaped plate, the inverted V-shaped plates in the same steam distribution assembly are parallel to each other and located on the same horizontal plane, and the adjacent inverted V-shaped plates are perpendicular to the material distribution plate.
6. The apparatus for removing VOC from polypropylene by vapor method according to claim 5, wherein said steam supply pipe extends into and through said inverted V-shaped plates from one side of said housing, and a portion of said steam supply pipe located below said inverted V-shaped plates is provided with steam supply holes.
7. The apparatus for removing VOC's from polypropylene by vapor method according to claim 6, wherein said steam supply pipe and said inverted V-shaped plate are perpendicular to each other.
8. The apparatus of claim 5, wherein a second mounting plate is disposed on one side of the inner wall of the housing, a plurality of second mounting holes are disposed on the other side of the housing corresponding to the second mounting plate, a steam distributor extends into the housing through one of the second mounting holes and is disposed on the second mounting plate, and a second closing baffle is disposed at an end of the steam distributor away from the second mounting plate.
9. The apparatus of claim 1, wherein the valve is a rotary valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022128046.5U CN213596190U (en) | 2020-09-25 | 2020-09-25 | VOC device in polypropylene is taken off to vapour method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022128046.5U CN213596190U (en) | 2020-09-25 | 2020-09-25 | VOC device in polypropylene is taken off to vapour method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213596190U true CN213596190U (en) | 2021-07-02 |
Family
ID=76588719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022128046.5U Withdrawn - After Issue CN213596190U (en) | 2020-09-25 | 2020-09-25 | VOC device in polypropylene is taken off to vapour method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213596190U (en) |
-
2020
- 2020-09-25 CN CN202022128046.5U patent/CN213596190U/en not_active Withdrawn - After Issue
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210702 Effective date of abandoning: 20231124 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20210702 Effective date of abandoning: 20231124 |