CN210532963U - Gas heating type drying tower for removing VOC (volatile organic compounds) in polypropylene - Google Patents
Gas heating type drying tower for removing VOC (volatile organic compounds) in polypropylene Download PDFInfo
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- CN210532963U CN210532963U CN201920265800.4U CN201920265800U CN210532963U CN 210532963 U CN210532963 U CN 210532963U CN 201920265800 U CN201920265800 U CN 201920265800U CN 210532963 U CN210532963 U CN 210532963U
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Abstract
The utility model discloses a VOC drying tower in polypropylene is taken off to gaseous heating formula, including air-blower, casing, set up respectively in the air-supply line case and the air-out case of casing one side and set up in the inside air inlet distributing pipe and the air-out distributing pipe of equipartition in turn from top to bottom of casing, the top of casing is equipped with the material import, the bottom of casing is equipped with the material export, the air-blower passes through the air-supply line case lets in hot-air the one end of air inlet distributing pipe, the one end of air-out distributing pipe with air-out case intercommunication, the other end of air inlet distributing pipe with the other end of air-out distributing pipe is all sealed, the air inlet distributing pipe with the bottom of air-out distributing pipe all is equipped with the distributing plate, the equipartition. The utility model discloses the heat transfer is effectual, effectively reduces the resistance, is favorable to getting rid of tail gas, makes VOC's content reduce in the polypropylene.
Description
Technical Field
The utility model relates to a drying tower technical field especially relates to a VOC drying tower in polypropylene is taken off to gas heating formula.
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, and accounts for about 40 percent of automobile plastic.
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. At present, domestic polypropylene is mostly produced by a liquid-phase bulk polymerization method, VOC harmful to human health can be released to different degrees from polypropylene products at higher temperature, the content of VOC in the products exceeds 200ppm, and serious threat is caused to human health.
In order to meet market demand, polypropylene manufacturers must further reduce the VOC content of polypropylene. At present, no equipment capable of effectively reducing the VOC content in polypropylene exists in China.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a VOC drying tower in polypropylene is taken off to gas heating formula to solve the problem that above-mentioned prior art exists, the heat transfer is effectual, effectively reduces the resistance, is favorable to getting rid of tail gas, makes VOC's content reduce in the polypropylene.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a VOC drying tower in polypropylene is taken off to gaseous heating formula, including air-blower, casing, set up respectively in the air-supply line case and the air-out case of casing one side and set up in the inside air inlet distributing pipe and the air-out distributing pipe of equipartition in turn from top to bottom of casing, the top of casing is equipped with the material import, the bottom of casing is equipped with the material export, the air-blower passes through the air-supply line case lets in hot-air the one end of air inlet distributing pipe, the one end of air-out distributing pipe with air-out case intercommunication, the other end of air inlet distributing pipe with the other end of air-out distributing pipe is all sealed, the air inlet distributing pipe with the bottom of air-out distributing pipe all is equipped with the distributing plate, the equipartition.
Preferably, the air inlet distributing pipe with the air outlet distributing pipe is a plurality of layers, and the equal parallel equipartition of every layer has a plurality of the air inlet distributing pipe or air outlet distributing pipe, every layer the quantity of air inlet distributing pipe is than every layer the quantity of air outlet distributing pipe is one more.
Preferably, the two adjacent air inlet distribution pipes and the adjacent layer and the corresponding one of the air inlet distribution pipes are arranged in a regular triangle staggered manner.
Preferably, the air inlet distribution pipe and the air outlet distribution pipe are the same in structure and are all rhombic pipes.
Preferably, the air inlet box with the air outlet box is a plurality of, the air inlet box with the air outlet box symmetry set up in the outside both sides of casing.
Preferably, the air inlet box is provided with an air inlet, the air inlet is connected with the air blower, and the air outlet box is provided with an air outlet.
Preferably, the air inlet distribution pipes and the air outlet distribution pipes correspond to one air inlet box and one air outlet box.
Preferably, the housing comprises an upper housing and a lower housing which are connected with each other, the upper housing is square, and the lower housing is square-cone-shaped.
Preferably, the air inlet distribution pipe with the air outlet distribution pipe all set up in the inside of last casing, air inlet box and air outlet box all set up in the outside of last casing.
Preferably, the material outlet is provided with a rotary valve.
The utility model discloses for prior art gain following technological effect:
1. set up the air inlet distributing pipe and the air-out distributing pipe of a certain amount in the casing, the bottom of every air inlet distributing pipe and air-out distributing pipe all is equipped with the distributing plate to the equipartition sets up the gas pocket that a plurality of has certain aperture opening rate on the distributing plate, makes gas distribution even, and the material is with the direct heat transfer of the hot-air that lets in from the air inlet distributing pipe, and it is abundant with the material contact, strengthens heat transfer effect, and the heat transfer is effectual.
2. The inside air inlet distributing pipe and the air-out distributing pipe that sets up of casing, can prevent effectively the material dead angle, and air inlet distributing pipe and air-out distributing pipe are the rhombus distributing pipe, increased the area of contact with the material, every layer of rhombus distributing pipe parallel arrangement, it is positive triangle staggered arrangement to go up the lower floor, and air-supply line case and air-out case symmetry set up in the same cross-section outside the casing, the hot-air gets into the casing by upper air inlet distributing pipe, gas after with the material heat transfer is directly discharged and is gone into out bellows by the air-out distributing pipe adjacent of lower floor, effectively reduce the resistance, be favorable to the discharge of tail gas.
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 a gas-heated drying tower for removing VOC in polypropylene according to the present invention;
wherein: 1-shell, 2-air inlet box, 3-air outlet box, 4-air inlet distribution pipe, 5-air outlet distribution pipe, 6-material inlet, 7-material outlet, 8-upper shell, 9-lower shell, 10-air inlet, and 11-air outlet.
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 efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left" and "right" indicate orientations or positional relationships based on the orientations and positional relationships shown in the drawings, and are only for convenience of description of the structure and the operation manner, but do not indicate or imply that the portions indicated must have specific orientations to operate in specific orientations, and thus, should not be construed as limiting the present invention.
The utility model aims at providing a VOC drying tower in polypropylene is taken off to gas heating formula to solve the problem that prior art exists, VOC's content reduces in the messenger polypropylene.
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: this embodiment provides a VOC drying tower in polypropylene is taken off to gaseous heating formula, including air-blower, casing 1, set up respectively in the air inlet case 2 and the air-out case 3 of casing 1 one side and set up in casing 1 inside and upper and lower alternative equipartition the air inlet distributing pipe 4 and air-out distributing pipe 5. The top of casing 1 is equipped with material import 6, and the bottom of casing 1 is equipped with material export 7, and the material export is equipped with the rotary valve for the flow of control material. The air-blower lets in hot-air the one end of air inlet distributing pipe 4 through air-supply line case 2, the one end and the air-out case 3 intercommunication of air-out distributing pipe 5, the other end of air inlet distributing pipe 4 and the other end of air-out distributing pipe 5 are all sealed, the bottom of air inlet distributing pipe 4 and air-out distributing pipe 5 all is equipped with the distributing plate, the equipartition has the gas pocket that a plurality of has certain aperture opening rate on the distributing plate, it is even to make the gas distribution that gets into 1 inside of casing, and it is abundant with the material contact, strengthen the heat transfer effect of whole.
Specifically, the air inlet distribution pipe 4 and the air outlet distribution pipe 5 are the same in structure and are preferably rhombic pipes, and the contact area with materials is increased. Air inlet distributing pipe 4 and air-out distributing pipe 5 are a plurality of layers, and air inlet distributing pipe 4 and air-out distributing pipe 5 are all preferred totally twelve layers, and the equal parallel equipartition of each layer has a plurality of air inlet distributing pipe 4 or a plurality of air-out distributing pipe 5, and the equal parallel arrangement of each layer of air inlet distributing pipe 4 and each layer of air-out distributing pipe 5. The number of each layer of air inlet distribution pipes 4 is preferably one more than the number of each layer of air outlet distribution pipes 5, specifically, the number of each layer of air inlet distribution pipes 4 is preferably twelve, and the number of each layer of air outlet distribution pipes 5 is preferably eleven. Two adjacent air inlet distributing pipes 4 on the same layer are in regular triangle staggered arrangement with an air outlet distributing pipe 5 which is adjacent to the adjacent layer and is corresponding to the air inlet distributing pipe 4 and is positioned right above or right below the two air inlet distributing pipes 4, so that dead angles of materials can be effectively prevented, and the blockage in the falling process of the materials is prevented.
The air inlet box 2 and the air outlet box 3 are preferably a plurality of, and the air inlet box 2 and the air outlet box 3 are more preferably four. Air inlet box 2 and air-out case 3 symmetry set up in the outside both sides of casing 1, and corresponding air inlet box 2 and air-out case 3 set up on the same cross-section in the casing 1 outside, and hot-air carries out the heat transfer back with the material and directly discharges and get into out bellows 3 by the adjacent air-out distributing pipe 5 of lower floor, can effectively reduce the resistance, are favorable to the discharge of tail gas. The air inlet box 2 is provided with an air inlet 10, the air inlet 10 is connected with an air blower, the air outlet box 3 is provided with an air outlet 11, and gas after heat exchange is discharged through the air outlet 11. The air inlet distribution pipes 4 and the air outlet distribution pipes 5 of the plurality of layers correspond to an air inlet box 2 and an air outlet box 3. Preferably, every six layers of the inlet air distribution pipes 4 and the six layers of the outlet air distribution pipes 5 which are alternately arranged correspond to one inlet air box 2 and one outlet air box 3.
More specifically, the shell 1 comprises an upper shell 8 and a lower shell 9 which are connected with each other, wherein the upper shell 8 is square, and the lower shell 9 is square and conical and is used for discharging materials after the materials are collected. Air inlet distribution pipe 4 and air-out distribution pipe 5 all set up in the inside of last casing 8, and air-in box 2 and air-out box 3 all set up in the outside of last casing 8.
The working process of the embodiment is as follows: the material to be dried enters from a material inlet 6 above the shell 1 and flows between the shell 1 and the pipe walls of the air inlet distribution pipe 4 and the air outlet distribution pipe 5, the material exchanges heat with hot air introduced into the air inlet distribution pipe 4 to dry the material, the gas after heat exchange is discharged from the air outlet distribution pipe 5, and the material stays in the shell 1 for a period of time and is discharged from a material outlet 7 below the shell 1 after being dried.
This embodiment sets up the air inlet distributing pipe 4 and the air-out distributing pipe 5 of a certain amount in casing 1, the material with from the direct heat transfer of the hot-air that air inlet distributing pipe 4 let in, the hot-air is abundant with the material contact, strengthens the heat transfer effect, the heat transfer is effectual, the gas after the heat transfer is direct by the adjacent air-out distributing pipe 5 discharge of lower floor and, can effectively reduce the resistance, be favorable to the discharge of tail gas.
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 (10)
1. The utility model provides a VOC drying tower in polypropylene is taken off to gas heating formula which characterized in that: including air-blower, casing, set up respectively in the air-supply line case and the air-out case of casing one side and set up in the inside air inlet distributing pipe and the air-out distributing pipe of equipartition in turn from top to bottom of casing, the top of casing is equipped with the material import, the bottom of casing is equipped with the material export, the air-blower passes through the air-supply line case lets in the hot-air the one end of air inlet distributing pipe, the one end of air-out distributing pipe with air-out case intercommunication, the other end of air inlet distributing pipe with the other end of air-out distributing pipe all seals, the air inlet distributing pipe with the bottom of air-out distributing pipe all is equipped with the distributing plate, the equipartition has.
2. The gas heated depolypropylene VOC drying tower of claim 1, wherein: the air inlet distributing pipe with the air-out distributing pipe is a plurality of layers, and the equal parallel equipartition of every layer has a plurality of the air inlet distributing pipe or air-out distributing pipe, every layer the quantity of air inlet distributing pipe is than every layer the quantity of air-out distributing pipe is one more.
3. The gas heated depolypropylene VOC drying tower of claim 2, wherein: the air inlet distribution pipe and the adjacent layer and the corresponding one of the air inlet distribution pipe are arranged in a regular triangle staggered manner.
4. The gas heated depolypropylene VOC drying tower of claim 1, wherein: the air inlet distribution pipe and the air outlet distribution pipe are the same in structure and are all rhombic pipes.
5. The gas heated depolypropylene VOC drying tower of claim 1, wherein: the air inlet box with the air-out case is a plurality of, the air inlet box with the air-out case symmetry set up in the outside both sides of casing.
6. The gas heated depolypropylene VOC drying tower of claim 5, wherein: the air inlet box is provided with an air inlet, the air inlet is connected with the air blower, and the air outlet box is provided with an air outlet.
7. The gas heated depolypropylene VOC drying tower of claim 1, wherein: the air inlet distribution pipes and the air outlet distribution pipes correspond to one air inlet box and one air outlet box.
8. The gas heated depolypropylene VOC drying tower of claim 1, wherein: the casing includes interconnect's last casing and lower casing, it is square to go up the casing, the casing is square toper down.
9. The gas heated depolypropylene VOC drying tower of claim 8, wherein: the air inlet distribution pipe with the air outlet distribution pipe all set up in go up the inside of casing, air inlet box and air outlet case all set up in go up the outside of casing.
10. The gas heated depolypropylene VOC drying tower of claim 1, wherein: the material outlet is provided with a rotary valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920265800.4U CN210532963U (en) | 2019-03-01 | 2019-03-01 | Gas heating type drying tower for removing VOC (volatile organic compounds) in polypropylene |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920265800.4U CN210532963U (en) | 2019-03-01 | 2019-03-01 | Gas heating type drying tower for removing VOC (volatile organic compounds) in polypropylene |
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| CN210532963U true CN210532963U (en) | 2020-05-15 |
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| CN201920265800.4U Active CN210532963U (en) | 2019-03-01 | 2019-03-01 | Gas heating type drying tower for removing VOC (volatile organic compounds) in polypropylene |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751859A (en) * | 2019-03-01 | 2019-05-14 | 天华化工机械及自动化研究设计院有限公司 | A kind of gas heated type takes off VOC drying tower in polypropylene |
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2019
- 2019-03-01 CN CN201920265800.4U patent/CN210532963U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751859A (en) * | 2019-03-01 | 2019-05-14 | 天华化工机械及自动化研究设计院有限公司 | A kind of gas heated type takes off VOC drying tower in polypropylene |
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