CN109751859A - A kind of gas heated type takes off VOC drying tower in polypropylene - Google Patents
A kind of gas heated type takes off VOC drying tower in polypropylene Download PDFInfo
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- CN109751859A CN109751859A CN201910154761.5A CN201910154761A CN109751859A CN 109751859 A CN109751859 A CN 109751859A CN 201910154761 A CN201910154761 A CN 201910154761A CN 109751859 A CN109751859 A CN 109751859A
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Abstract
The invention discloses a kind of gas heated types to take off VOC drying tower in polypropylene, including air blower, shell, it is respectively arranged at the inlet box of the shell side and air outlet box and is set to the enclosure interior and uniformly distributed alternatively up and down air inlet distributor pipe and outlet air distributor pipe, the top of the shell is equipped with material inlet, the bottom of the shell is equipped with material outlet, hot-air is passed through one end of the air inlet distributor pipe by the inlet box by the air blower, one end of the outlet air distributor pipe is connected to the air outlet box, the other end of the air inlet distributor pipe and the other end of the outlet air distributor pipe seal, the bottom of the air inlet distributor pipe and the outlet air distributor pipe is equipped with distribution grid, several stomatas are evenly equipped on the distribution grid.Good effect of heat exchange of the present invention, is effectively reduced resistance, is conducive to the exclusion of tail gas, reduces the content of VOC in polypropylene.
Description
Technical field
The present invention relates to drying tower technical fields, take off VOC drying tower in polypropylene more particularly to a kind of gas heated type.
Background technique
Polypropylene is because having many advantages, such as that excellent mechanical property and processing performance are widely used in fascia, control
In the automotive upholsteries such as disk, door-plate, seat component, glove box and air-conditioning system, account for about 40% of auto plastics or so.
GB/T27630 " Air Quality Evaluation guide in passenger car " is changed to mandatory country by recommendatory guide and marks
Standard, vehicle look forward to industry and are defined as polypropylene VOC content to be less than 80ppm.Country's polypropylene mostly uses liquid-phase bulk polymerization method at present
Production, polypropylene articles can release the VOC being detrimental to health to some extent at relatively high temperatures, and the VOC in product contains
Amount causes to seriously threaten more than 200ppm to human health.
In order to meet the market demand, polypropylene manufacturing enterprise must further decrease VOC content in polypropylene.It is domestic at present
The equipment of VOC content in polypropylene can not be effectively reduced.
Summary of the invention
The object of the present invention is to provide a kind of gas heated types to take off VOC drying tower in polypropylene, to solve above-mentioned existing skill
Art there are the problem of, resistance is effectively reduced in good effect of heat exchange, is conducive to the exclusion of tail gas, drops the content of VOC in polypropylene
It is low.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of gas heated types to take off VOC drying tower in polypropylene, including air blower, shell, sets respectively
It is placed in the inlet box of the shell side and air outlet box and is set to the enclosure interior and air inlet uniformly distributed alternatively up and down point
Stringing and outlet air distributor pipe, the top of the shell are equipped with material inlet, and the bottom of the shell is equipped with material outlet, the drum
Blower by the inlet box by hot-air be passed through it is described air inlet distributor pipe one end, one end of the outlet air distributor pipe with it is described
Air outlet box connection, the other end of the air inlet distributor pipe and the other end of the outlet air distributor pipe seal, the air inlet distribution
The bottom of pipe and the outlet air distributor pipe is equipped with distribution grid, several stomatas are evenly equipped on the distribution grid.
Preferably, the air inlet distributor pipe and the outlet air distributor pipe are several layers, if each layer is evenly equipped in parallel
Dry the air inlet distributor pipe or the outlet air distributor pipe, the quantity outlet air more described than each layer of each layer air inlet distributor pipe
The quantity of distributor pipe is one more.
Preferably, two adjacent air inlet distributor pipes of same layer are corresponding with the air inlet distributor pipe with adjacent layer
One outlet air distributor pipe is in positive triangle interlaced arrangement.
Preferably, the air inlet distributor pipe is identical with the structure of the outlet air distributor pipe and is rhumbatron.
Preferably, the inlet box and the air outlet box are multiple, and the inlet box and the air outlet box are symmetrical arranged
In the both sides external of the shell.
Preferably, the inlet box is equipped with air inlet, and the air inlet is connect with the air blower, and the air outlet box is equipped with
Air outlet.
Preferably, air inlet distributor pipe described in several layers and the corresponding inlet box of the outlet air distributor pipe and an institute
State air outlet box.
Preferably, the shell includes upper housing interconnected and lower case, and the upper housing is rectangular, the lower casing
Body is square cone.
Preferably, the air inlet distributor pipe and the outlet air distributor pipe are all set in the inside of the upper housing, it is described into
Bellows and air outlet box are all set in the outside of the upper housing.
Preferably, the material outlet is equipped with rotary valve.
The present invention achieves following technical effect compared with the existing technology:
1, a certain number of air inlet distributor pipes of setting and outlet air distributor pipe in shell, every air inlet distributor pipe and outlet air distribution
The bottom of pipe is equipped with distribution grid, and several stomatas with certain opening rate are uniformly arranged on distribution grid, makes gas point
Cloth is uniform, and material directly exchanges heat with the hot-air being passed through from air inlet distributor pipe, is contacted sufficiently with material, reinforces heat transfer effect, change
Thermal effect is good.
2, the air inlet distributor pipe and outlet air distributor pipe of enclosure interior setting can effectively prevent material dead angle, and enter the wind and divide
Stringing and outlet air distributor pipe are diamond shape distributor pipe, increase the contact area with material, and every layer of diamond shape distributor pipe is arranged in parallel,
Upper and lower level is in positive triangle interlaced arrangement, and inlet box and air outlet box are symmetrically disposed on the same section outside shell, and hot-air is by upper
Layer air inlet distributor pipe enters shell, is expelled directly out with the gas after material-heat-exchanging by the adjacent outlet air distributor pipe of lower layer and enters
Resistance is effectively reduced in bellows, is conducive to the discharge of tail gas.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram that gas heated type of the present invention takes off VOC drying tower in polypropylene；
Wherein: 1- shell, 2- inlet box, 3- air outlet box, 4- enter the wind distributor pipe, 5- outlet air distributor pipe, 6- material inlet, 7-
Material outlet, 8- upper housing, 9- lower case, 10- air inlet, 11- air outlet.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art under the premise of not making the creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
In the description of the present invention it is to be appreciated that term " on ", "lower", " left side " and " right side " instruction orientation or position
Relationship is orientation and positional relationship based on the figure, it is only for facilitate the structurally and operationally mode of description, rather than
Indicating or imply signified part must have a particular orientation, with the operation of specific orientation, thus should not be understood as to this
The limitation of invention.
The object of the present invention is to provide a kind of gas heated types to take off VOC drying tower in polypropylene, is deposited with solving the prior art
The problem of, reduce the content of VOC in polypropylene.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
A kind of gas heated type is present embodiments provided as shown in Figure 1: takes off VOC drying tower in polypropylene, including air blower,
Shell 1, the inlet box 2 for being respectively arranged at 1 side of shell and air outlet box 3 and it is set to the inside of shell 1 and uniformly distributed alternatively up and down
Air inlet distributor pipe 4 and outlet air distributor pipe 5.The top of shell 1 is equipped with material inlet 6, and the bottom of shell 1 is equipped with material outlet 7,
Material outlet is equipped with rotary valve, for controlling the flow of material.Hot-air is passed through air inlet distributor pipe by inlet box 2 by air blower
One end of 4 one end, outlet air distributor pipe 5 is connected to air outlet box 3, enter the wind distributor pipe 4 the other end and outlet air distributor pipe 5 it is another
End seals, and the bottom for entering the wind distributor pipe 4 and outlet air distributor pipe 5 is equipped with distribution grid, and being evenly equipped with several on distribution grid has
The stomata of certain opening rate makes the gas entered inside shell 1 be evenly distributed, and contacts sufficiently with material, reinforces whole device
Heat transfer effect.
Specifically, air inlet distributor pipe 4 is identical with the structure of outlet air distributor pipe 5 and both preferably rhumbatron, increases and object
The contact area of material.It enters the wind distributor pipe 4 and outlet air distributor pipe 5 is several layers, enter the wind distributor pipe 4 and outlet air distributor pipe 5 is excellent
Be selected as total Floor 12, each layer is evenly equipped with several air inlet distributor pipes 4 or several outlet air distributor pipes 5 in parallel, each layer into
Wind distributor pipe 4 and each layer of outlet air distributor pipe 5 are arranged in parallel.The quantity of each layer of air inlet distributor pipe 4 is preferably than each layer
The quantity of outlet air distributor pipe 5 is one more, and specifically, the quantity of each layer of air inlet distributor pipe 4 is preferably 12, each layer of outlet air
The quantity of distributor pipe 5 is preferably 11.Two adjacent air inlet distributor pipes 4 of same layer and adjacent layer and air inlet 4 phase of distributor pipe
An outlet air distributor pipe 5 that is corresponding and being located at two 4 surfaces of air inlet distributor pipes or underface is in positive triangle interlaced arrangement, energy
It is enough effectively prevent material dead angle, prevents the blocking in material dropping process.
Inlet box 2 and air outlet box 3 are both preferably multiple, and inlet box 2 and air outlet box 3 are more preferably four.2 He of inlet box
Air outlet box 3 is symmetrically disposed on the both sides external of shell 1, and 1 outside of shell is arranged in corresponding inlet box 2 and air outlet box 3
On same section, hot-air is expelled directly out by the adjacent outlet air distributor pipe 5 of lower layer after being exchanged heat with material and enters air outlet box
3, it can be effectively reduced resistance, be conducive to the discharge of tail gas.Inlet box 2 is equipped with air inlet 10, and air inlet 10 is connect with air blower,
Air outlet box 3 is equipped with air outlet 11, and the gas after heat exchange is discharged by air outlet 11.Several layers enter the wind distributor pipe 4 and outlet air distribution
The corresponding inlet box 2 of pipe 5 and an air outlet box 3.Preferably, the every six layers of air inlet distributor pipe 4 being arranged alternately and six layers of outlet air
The corresponding inlet box 2 of distributor pipe 5 and an air outlet box 3.
More specifically, shell 1 include upper housing 8 interconnected and lower case 9, upper housing 8 be it is rectangular, lower case 9 is
Square cone discharges after collecting for material.Air inlet distributor pipe 4 and outlet air distributor pipe 5 are all set in the inside of upper housing 8, air inlet
Case 2 and air outlet box 3 are all set in the outside of upper housing 8.
The working process of this embodiment is as follows: be intended to dry material and entered by the material inlet 6 of the top of shell 1, shell 1 with
It is flowed between air inlet distributor pipe 4 and the tube wall of outlet air distributor pipe 5, material is exchanged heat by the hot-air being passed through with air inlet distributor pipe 4
Dried material, the gas after heat exchange are discharged by outlet air distributor pipe 5, material stay for some time in shell 1 after drying from
The material outlet 7 of 1 lower section of shell is discharged.
The present embodiment is arranged a certain number of air inlet distributor pipes 4 and outlet air distributor pipe 5 in shell 1, material with from air inlet
The hot-air that distributor pipe 4 is passed through directly exchanges heat, and hot-air contacts sufficiently with material, reinforces heat transfer effect, good effect of heat exchange, heat exchange
Gas afterwards is directly discharged simultaneously by the adjacent outlet air distributor pipe 5 of lower layer, be can be effectively reduced resistance, is conducive to the discharge of tail gas.
Apply that a specific example illustrates the principle and implementation of the invention in this specification, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (10)
1. a kind of gas heated type takes off VOC drying tower in polypropylene, it is characterised in that: including air blower, shell, be respectively arranged at
The inlet box and air outlet box of the shell side and it is set to the enclosure interior and air inlet distributor pipe uniformly distributed alternatively up and down
With outlet air distributor pipe, the top of the shell is equipped with material inlet, and the bottom of the shell is equipped with material outlet, the air blower
Hot-air is passed through to one end of the air inlet distributor pipe, one end of the outlet air distributor pipe and the outlet air by the inlet box
Case connection, the other end and the other end of the outlet air distributor pipe of the air inlet distributor pipe seal, the air inlet distributor pipe with
The bottom of the outlet air distributor pipe is equipped with distribution grid, several stomatas are evenly equipped on the distribution grid.
2. gas heated type according to claim 1 takes off VOC drying tower in polypropylene, it is characterised in that: the air inlet point
Stringing and the outlet air distributor pipe are several layers, each layer be evenly equipped in parallel several described air inlet distributor pipes or it is described go out
Wind distributor pipe, one more than the quantity of the quantity outlet air distributor pipe more described than each layer of each layer air inlet distributor pipe.
3. gas heated type according to claim 2 takes off VOC drying tower in polypropylene, it is characterised in that: same layer is adjacent
Two air inlet distributor pipes outlet air distributor pipe corresponding with the air inlet distributor pipe with adjacent layer be in positive three
Angle interlaced arrangement.
4. gas heated type according to claim 1 takes off VOC drying tower in polypropylene, it is characterised in that: the air inlet point
Stringing is identical with the structure of the outlet air distributor pipe and is rhumbatron.
5. gas heated type according to claim 1 takes off VOC drying tower in polypropylene, it is characterised in that: the inlet box
Be with the air outlet box it is multiple, the inlet box and the air outlet box are symmetrically disposed on the both sides external of the shell.
6. gas heated type according to claim 5 takes off VOC drying tower in polypropylene, it is characterised in that: the inlet box
Equipped with air inlet, the air inlet is connect with the air blower, and the air outlet box is equipped with air outlet.
7. gas heated type according to claim 1 takes off VOC drying tower in polypropylene, it is characterised in that: described in several layers
Enter the wind distributor pipe and the corresponding inlet box of the outlet air distributor pipe and an air outlet box.
8. gas heated type according to claim 1 takes off VOC drying tower in polypropylene, it is characterised in that: the shell packet
Include upper housing interconnected and lower case, the upper housing be it is rectangular, the lower case is square cone.
9. gas heated type according to claim 8 takes off VOC drying tower in polypropylene, it is characterised in that: the air inlet point
Stringing and the outlet air distributor pipe are all set in the inside of the upper housing, and the inlet box and air outlet box are all set on described
The outside of shell.
10. gas heated type according to claim 1 takes off VOC drying tower in polypropylene, it is characterised in that: the material goes out
Mouth is equipped with rotary valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910154761.5A CN109751859A (en) | 2019-03-01 | 2019-03-01 | A kind of gas heated type takes off VOC drying tower in polypropylene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910154761.5A CN109751859A (en) | 2019-03-01 | 2019-03-01 | A kind of gas heated type takes off VOC drying tower in polypropylene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109751859A true CN109751859A (en) | 2019-05-14 |
Family
ID=66406881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910154761.5A Pending CN109751859A (en) | 2019-03-01 | 2019-03-01 | A kind of gas heated type takes off VOC drying tower in polypropylene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109751859A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112142882A (en) * | 2020-09-25 | 2020-12-29 | 天华化工机械及自动化研究设计院有限公司 | VOC device in polypropylene is taken off to vapour method |
| WO2023087561A1 (en) | 2021-11-17 | 2023-05-25 | 天华化工机械及自动化研究设计院有限公司 | Integrated voc removal tower for polypropylene particles |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101631997A (en) * | 2007-06-22 | 2010-01-20 | 施密特-西格有限公司 | Dryer with special ventilation roof frame assemblies |
| CN201844669U (en) * | 2010-05-05 | 2011-05-25 | 李立和 | Quartz gravel drying tower |
| CN108466383A (en) * | 2018-03-26 | 2018-08-31 | 天华化工机械及自动化研究设计院有限公司 | A kind of PP GRANULES material takes off the system and its application process of VOC |
| CN210532963U (en) * | 2019-03-01 | 2020-05-15 | 天华化工机械及自动化研究设计院有限公司 | Gas heating type drying tower for removing VOC (volatile organic compounds) in polypropylene |
-
2019
- 2019-03-01 CN CN201910154761.5A patent/CN109751859A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101631997A (en) * | 2007-06-22 | 2010-01-20 | 施密特-西格有限公司 | Dryer with special ventilation roof frame assemblies |
| CN201844669U (en) * | 2010-05-05 | 2011-05-25 | 李立和 | Quartz gravel drying tower |
| CN108466383A (en) * | 2018-03-26 | 2018-08-31 | 天华化工机械及自动化研究设计院有限公司 | A kind of PP GRANULES material takes off the system and its application process of VOC |
| CN210532963U (en) * | 2019-03-01 | 2020-05-15 | 天华化工机械及自动化研究设计院有限公司 | Gas heating type drying tower for removing VOC (volatile organic compounds) in polypropylene |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112142882A (en) * | 2020-09-25 | 2020-12-29 | 天华化工机械及自动化研究设计院有限公司 | VOC device in polypropylene is taken off to vapour method |
| CN112142882B (en) * | 2020-09-25 | 2023-11-24 | 天华化工机械及自动化研究设计院有限公司 | VOC device in polypropylene is taken off to vapour method |
| WO2023087561A1 (en) | 2021-11-17 | 2023-05-25 | 天华化工机械及自动化研究设计院有限公司 | Integrated voc removal tower for polypropylene particles |
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