CN105398207B - A kind of design method of gravure press dryer wind deflector - Google Patents
A kind of design method of gravure press dryer wind deflector Download PDFInfo
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- CN105398207B CN105398207B CN201511024140.3A CN201511024140A CN105398207B CN 105398207 B CN105398207 B CN 105398207B CN 201511024140 A CN201511024140 A CN 201511024140A CN 105398207 B CN105398207 B CN 105398207B
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- arc
- gravure press
- wind deflector
- press dryer
- plate body
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/0403—Drying webs
- B41F23/0423—Drying webs by convection
- B41F23/0426—Drying webs by convection using heated air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/044—Drying sheets, e.g. between two printing stations
- B41F23/0463—Drying sheets, e.g. between two printing stations by convection
- B41F23/0466—Drying sheets, e.g. between two printing stations by convection by using heated air
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Printing Methods (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
Abstract
The invention discloses a kind of design method of gravure press dryer wind deflector, following steps are specifically included:Establish the analysis model of gravure press dryer;The grid division on the gravure press dryer model of foundation, by gravure press dryer model discretization;Fluid emulation analysis is carried out to the gravure press dryer model after discretization;The installation site of wind deflector is determined according to analysis result;Wind deflector installation site according to obtaining installs the wind deflector for reducing the turbulent flow frequency of occurrences in gravure press dryer.The wind deflector that this method is designed can not only reduce the turbulent flow in baking oven, realize the uniformity of baking oven hot wind flow, and can obtain higher hot wind flow speed, effectively reduce energy consumption.
Description
Technical field
The invention belongs to printing machinery technical field, is related to a kind of design method of gravure press dryer wind deflector.
Background technology
Oven structure determines drying process and drying property in intaglio press, so as to influence the printing quality of product and
Production efficiency.Drying system as intaglio press important component is the key link of printing machine performance improvement, rationally
Drying system structure is designed for improving uniform drying, energy consumption is reduced, reduces dissolvent residual, reduce noise and vibration, improve
Print speed printing speed and quality, realize that really " green printing " has vital effect.
Chinese patent (the patent No.:ZL201310479436.9, denomination of invention:A kind of printing machine drying box, publication number:
103568539A, publication date:2014.02.12) disclose a kind of drying box, the drying box by the air inlet in side wall,
Air outlet, the backwind tube composition on the multiple tuyeres and dividing plate being horizontal with air inlet.The outlet of described backwind tube
Towards drying box top cover, V-type tuyere is just being pointed to the printable fabric on guide roller group part.Although such printing machine ensure that baking
Air circulation is smooth in case, reduces hot blast loss, but also exist clearly disadvantageous:Because the drying box is provided with multiple wind
Mouth, wind deflector is not designed, the uniformity of hot wind flow can not be ensured.
The content of the invention
It is an object of the invention to provide a kind of design method of gravure press dryer wind deflector, the wind deflector that this method is designed
The turbulent flow in baking oven can not only be reduced, realizes the uniformity of baking oven hot wind flow, and higher hot wind flow speed can be obtained
Degree, effectively reduces energy consumption.
The technical solution adopted in the present invention is a kind of design method of gravure press dryer wind deflector, to specifically include following
Step:
Step 1, the analysis model of gravure press dryer is established;
Step 2, the grid division on the gravure press dryer model that step 1 is established, by gravure press dryer model discretization;
Step 3, fluid emulation analysis is carried out to the gravure press dryer model after step 2 discretization;
Step 4, the installation site of wind deflector is determined according to the analysis result of step 3;
Step 5, the wind deflector installation site obtained according to step 4 is installed in gravure press dryer for reducing turbulent flow appearance
The wind deflector of frequency.
The features of the present invention also resides in,
Wherein step 3 sets intake velocity, the air inlet of gravure press dryer upper air inlet when carrying out fluid emulation analysis
The air temperature of entrance, to ensure that gravure press dryer reaches required chamber pressure, air outlet a and air-out in gravure press dryer are set
Mouth b pressure.
The detailed process of wherein step 4 is:
The position that turbulent flow occurs in hot wind flow in gravure press dryer, the position that turbulent flow occurs are drawn according to simulation analysis result
Put the installation site as wind deflector.
The wind deflector wherein installed in step 5 includes upper wind deflector and lower wind deflector, the structure of upper wind deflector are:Including arc
Arc side plate a is connected with shape plate body a, arc plate body a, circular hole a is evenly distributed with arc side plate a;
The structure for wherein playing wind deflector is:Including arc plate body b, arc side plate b, curved side are connected with arc plate body b
Circular hole b is evenly distributed with plate b;
Wherein arc plate body a and arc plate body b is distributed in inside gravure press dryer in "eight" shape;The arc side plate a
It is corresponding to arc side plate b to be distributed in "eight" shape inside gravure press dryer.
Wherein arc plate body a extends and bent to the upper end of gravure press dryer using the position that turbulent flow occurs as starting point;Arc
Plate body b extends and bent to the lower end of gravure press dryer using the position that turbulent flow occurs as starting point;
Wherein arc plate body a, arc side plate a and arc plate body b, arc side plate b are each attached to gravure press dryer trailing flank
Inwall on.
Hang down the wherein trailing flank of arc plate body a, arc side plate a, arc plate body b and arc side plate b with gravure press dryer
Directly.
Wherein arc side plate a is identical with arc plate body a bending direction, and arc side plate a is located at arc plate body a inner side;
Wherein arc side plate b is identical with arc plate body b bending direction, and arc side plate b is located at arc plate body b inner side.
Wherein the distance between arc plate body a starting point A ends and air inlet are in 0.18~0.26 times of gravure press dryer
Cavity length, the distance between arc plate body b starting point B ends and gravure press dryer upper air inlet are 0.12~0.24 times of intaglio printing press
Oven ncavity length.
Vertical range wherein between the starting point B ends at arc plate body a starting point A ends and arc plate body b is 0.29~0.72
Air inlet length again.
The invention has the advantages that wind deflector design method proposed by the present invention, is drawn by fluid emulation analysis
The position of mounting guiding board in intaglio printing press, it is hardened in order to reduce the upper wind deflector of Frequency Design for turbulent flow appearance occur and lower wind-guiding
Structure, wind speed is higher after hot blast enters from air inlet, because air inlet is located at baking oven top, upper wind deflector away from air inlet relatively
Far, prevent the hot blast on baking oven top with being collided at the top of baking oven.In the bottom of baking oven, the flow of hot wind flow is longer, wind-guiding
Plate is nearer apart from air inlet, reduces the cross-sectional area that hot blast passes through, improves the flowing velocity of hot blast, while in turn ensure that heat
The uniformity of wind flow.
Brief description of the drawings
Fig. 1 is the side view for the wind deflector designed in a kind of design method of gravure press dryer wind deflector of the present invention;
Fig. 2 is the top view for the wind deflector designed in a kind of design method of gravure press dryer wind deflector of the present invention;
Fig. 3 is stream when turbulent flow occurs in a kind of design method of gravure press dryer wind deflector of the present invention the first embodiment
Body simulation analysis result figure;
Fig. 4 be a kind of design method of gravure press dryer wind deflector of the present invention using the first embodiment installation wind deflector it
Fluid emulation analysis result figure afterwards;
Fig. 5 is stream when turbulent flow occurs in a kind of second of embodiment of design method of gravure press dryer wind deflector of the present invention
Body simulation analysis result figure;
Fig. 6 be a kind of design method of gravure press dryer wind deflector of the present invention using second of embodiment install wind deflector it
Fluid emulation analysis result figure afterwards;
Fig. 7 is stream when turbulent flow occurs in a kind of design method of gravure press dryer wind deflector of the present invention the third embodiment
Body simulation analysis result figure;
Fig. 8 be a kind of design method of gravure press dryer wind deflector of the present invention using the third embodiment installation wind deflector it
Fluid emulation analysis result figure afterwards.
In figure, 1. air outlet a, 2. air inlets, 3. air outlet b, 4. arc plate body a, 5. arc plate body b, 6. arc side plates
A, 7. arc side plate b, 8. gravure press dryers, 9. circular hole a, 10. circular hole b.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
A kind of design method of gravure press dryer wind deflector of the present invention, specifically includes following steps:
Step 1, the analysis model (using existing gravure press dryer structure as modeling foundation) of gravure press dryer 8 is established, it is recessed
One end of print machine baking oven 8 is sequentially provided with air outlet a1, air inlet 2 and air outlet b3 from top to bottom, sets air inlet 2 respectively, goes out
Air port a1, air outlet b3 size;
Step 2, the grid division on the gravure press dryer model 8 that step 1 is established, by the model discretization of gravure press dryer 8;
Step 3, fluid emulation analysis is carried out to the model of gravure press dryer 8 after step 2 discretization, is carrying out fluid emulation
During analysis, set the intake velocity of gravure press dryer 8 upper air inlet 2, air inlet 2 entrance air temperature, to ensure that intaglio printing press dries
Case 8 reaches required chamber pressure, sets air outlet a1 and air outlet b3 pressure;
Step 4, the installation site of wind deflector is determined according to the analysis result of step 3, detailed process is:
The position that turbulent flow occurs in hot wind flow in gravure press dryer 8 is drawn according to simulation analysis result, what turbulent flow occurred
Position is the installation site of wind deflector.
Step 5, the wind deflector installation site obtained according to step 4 is installed in gravure press dryer 8 to be gone out for reducing turbulent flow
The wind deflector of existing frequency, the concrete structure of wind deflector are as follows:
As shown in Figure 1, 2, wind deflector includes upper wind deflector and lower wind deflector, the structure of upper wind deflector are:Including arc
Arc side plate a6 is connected with body a4, arc plate body a4, circular hole a9 is evenly distributed with arc side plate a6;
The structure for wherein playing wind deflector is:Including arc plate body b5, arc side plate b7, arc are connected with arc plate body b5
Circular hole b10 is evenly distributed with side plate b7;
Wherein arc plate body a4 and arc plate body b5 is distributed in inside gravure press dryer 8 in "eight" shape, arc plate body a4
Upper end of the position occurred using turbulent flow as starting point to gravure press dryer 8 extends and bent, the position that arc plate body b5 occurs with turbulent flow
The lower end for being set to starting point to gravure press dryer 8 extends and bent.
Wherein arc side plate a6 is corresponding to arc side plate b7 to be distributed in "eight" shape, arc side plate a6 and arc plate body a4's
Bending direction is identical, and arc side plate a6 is located at arc plate body a4 inner side, and (i.e. arc side plate a6 is connected to the interior of arc plate body a4
On wall);
Wherein arc side plate b7 is identical with arc plate body b5 bending direction, and arc side plate b7 is located at the interior of arc plate body b5
Side (i.e. arc side plate b7 is connected on arc plate body b5 inwall).
The side in same orientation is fixed on wherein arc plate body a4, arc side plate a6 and arc plate body b5, arc side plate b7
On the inwall of the trailing flank of gravure press dryer 8, arc plate body a4, arc side plate a6 and arc plate body b5, arc side plate b7 with
The trailing flank of gravure press dryer 8 is vertical.
Between wherein arc plate body a4 starting point A ends (i.e. at the A marked in Fig. 2) and the upper air inlet 2 of gravure press dryer 8
(cavity length of gravure press dryer 8 is L to the cavity length of gravure press dryer 8 that distance is 0.18~0.26 times in Fig. 2, if arc
Plate body a4 A ends are d, i.e. d=0.18L~0.26L apart from the distance of air inlet 2), arc plate body b5 starting point B ends are (i.e. in figure
At the B marked) with the distance between air inlet 2 it is 0.12~0.24 times of the cavity length of gravure press dryer 8 (intaglio printing press in Fig. 2
The cavity length of baking oven 8 is L, if arc plate body b5 B ends are s, i.e. s=0.12L~0.24L apart from the distance of air inlet 2);
Vertical range wherein between arc plate body a4 A ends and arc plate body b5 B ends is 0.29~0.72 times and entered
The length of air port 2.
Embodiment 1
Step 1, the analysis model of gravure press dryer 8 is established, the size for setting the upper air inlet 2 of gravure press dryer 8 is 300mm
× 400mm (long × wide), air outlet a1 sizes are 220mm × 400mm (long × wide), and air outlet b3 sizes are 320mm × 210mm
(long × wide), the cavity length L of gravure press dryer 8 is 800mm;
Step 2, grid division, by the model discretization of gravure press dryer 8.
Step 3, fluid emulation analysis is carried out to the model of gravure press dryer 8 after step 2 discretization, is carrying out fluid emulation
During analysis, (intake velocity is by intake and the radiometer of the area of air inlet 2 by the intake velocity 12.9619m/s of setting air inlet 2
Draw), hot blast temperature 353K, the air outlet a1 of entrance of air inlet 2 and air outlet b3 pressure value be -310&-
150Pa, atmospheric density ρ are 1.205kg/m3, viscosity μ is 1.7894e-05Pas, and specific heat Cp is 1006.43J/kg
K, pyroconductivity ε are 0.0242W/mK;
Step 4, the position that turbulent flow occurs in hot wind flow in gravure press dryer is drawn according to simulation analysis result in step 3
Put, the position that turbulent flow occurs is the installation site of wind deflector, and simulation result is referring to Fig. 3, the deeper ring-like pattern of color in figure
As turbulent flow;
Step 5, the wind deflector installation site obtained according to step 4 is installed in gravure press dryer 8 to be gone out for reducing turbulent flow
The wind deflector of existing frequency, the concrete structure of wind deflector are as follows:
Wind deflector includes upper wind deflector and lower wind deflector, the structure of upper wind deflector are:Including arc plate body a4, arc plate body
Arc side plate a6 is connected with a4, circular hole a9 is evenly distributed with arc side plate a6;
The structure for wherein playing wind deflector is:Including arc plate body b5, arc side plate b7, arc are connected with arc plate body b5
Circular hole b10 is evenly distributed with side plate b7;
Wherein arc plate body a4 and arc plate body b5 is distributed in inside gravure press dryer 8 in "eight" shape, arc plate body a4
Upper end of the position occurred using turbulent flow as starting point to gravure press dryer 8 extends and bent, the position that arc plate body b5 occurs with turbulent flow
The lower end for being set to starting point to gravure press dryer 8 extends and bent.
The side in same orientation is fixed on wherein arc plate body a4, arc side plate a6 and arc plate body b5, arc side plate b7
On the inwall of the trailing flank of gravure press dryer 8, arc plate body a4, arc side plate a6 and arc plate body b5, arc side plate b7 with
The trailing flank of gravure press dryer 8 is vertical.
Wherein arc side plate a6 is corresponding to arc side plate b7 to be distributed in "eight" shape, arc side plate a6 and arc plate body a4's
Bending direction is identical, and arc side plate a6 is located at arc plate body a4 inner side, and (i.e. arc side plate a6 is connected to the interior of arc plate body a4
On wall);
Wherein arc side plate a6 is corresponding to arc side plate b7 to be distributed in "eight" shape, arc side plate b7 and arc plate body b5's
Bending direction is identical, and arc side plate b7 is located at arc plate body b5 inner side, and (i.e. arc side plate b7 is connected to the interior of arc plate body b5
On wall).
Between wherein arc plate body a4 starting point A ends (i.e. at the A marked in Fig. 2) and the upper air inlet 2 of gravure press dryer 8
Distance d is 144mm, and the distance between arc plate body b5 starting point B ends (at the B marked in figure) and air inlet 2 s are 96mm,
Vertical range between arc plate body a4 starting point A ends and arc plate body b5 starting point B ends is 87mm.
The gravure press dryer model partition grid with wind deflector structure that embodiment 1 is designed, carry out fluid emulation
Analysis, simulation result is as shown in figure 4, the result according to Fig. 4 shows, after the inside installation wind deflector of installation gravure press dryer 8,
With wind deflector a little collision occurs for hot blast, and caused turbulent flow is less.
Embodiment 2
Step 1, the analysis model of gravure press dryer 8 is established, the size for setting the upper air inlet 2 of gravure press dryer 8 is 300mm
× 400mm (long × wide), air outlet a1 sizes are 220mm × 400mm (long × wide), and air outlet b3 sizes are 320mm × 210mm
(long × wide), the cavity length L of gravure press dryer 8 is 800mm;
Step 2, grid division, by the model discretization of gravure press dryer 8.
Step 3, fluid emulation analysis is carried out to the model of gravure press dryer 8 after step 2 discretization, is carrying out fluid emulation
During analysis, (intake velocity is by intake and the radiometer of the area of air inlet 2 by the intake velocity 12.9619m/s of setting air inlet 2
Draw), hot blast temperature 353K, the air outlet a1 of entrance of air inlet 2 and air outlet b3 pressure value be -310&-
150Pa, atmospheric density ρ are 1.205kg/m3, viscosity μ is 1.7894e-05Pas, and specific heat Cp is 1006.43J/kg
K, pyroconductivity ε are 0.0242W/mK;
Step 4, the position that turbulent flow occurs in hot wind flow in gravure press dryer is drawn according to simulation analysis result in step 3
Put, the position that turbulent flow occurs is the installation site of wind deflector, and simulation result is referring to Fig. 5, the deeper ring-like pattern of color in figure
As turbulent flow;
Step 5, the wind deflector installation site obtained according to step 4 is installed in gravure press dryer 8 to be gone out for reducing turbulent flow
The wind deflector of existing frequency, the concrete structure of wind deflector are as follows:
Wind deflector includes upper wind deflector and lower wind deflector, the structure of upper wind deflector are:Including arc plate body a4, arc plate body
Arc side plate a6 is connected with a4, circular hole a9 is evenly distributed with arc side plate a6;
The structure for wherein playing wind deflector is:Including arc plate body b5, arc side plate b7, arc are connected with arc plate body b5
Circular hole b10 is evenly distributed with side plate b7;
Wherein arc plate body a4 and arc plate body b5 is distributed in inside gravure press dryer 8 in "eight" shape, arc plate body a4
Upper end of the position occurred using turbulent flow as starting point to gravure press dryer 8 extends and bent, the position that arc plate body b5 occurs with turbulent flow
The lower end for being set to starting point to gravure press dryer 8 extends and bent.
The side in same orientation is fixed on wherein arc plate body a4, arc side plate a6 and arc plate body b5, arc side plate b7
On the inwall of the trailing flank of gravure press dryer 8, arc plate body a4, arc side plate a6 and arc plate body b5, arc side plate b7 with
The trailing flank of gravure press dryer 8 is vertical.
Wherein arc side plate a6 is corresponding to arc side plate b7 to be distributed in "eight" shape, arc side plate a6 and arc plate body a4's
Bending direction is identical, and arc side plate a6 is located at arc plate body a4 inner side, and (i.e. arc side plate a6 is connected to the interior of arc plate body a4
On wall);
Wherein arc side plate a6 is corresponding to arc side plate b7 to be distributed in "eight" shape, arc side plate b7 and arc plate body b5's
Bending direction is identical, and arc side plate b7 is located at arc plate body b5 inner side, and (i.e. arc side plate b7 is connected to the interior of arc plate body b5
On wall);
Between wherein arc plate body a4 starting point A ends (i.e. at the A marked in Fig. 2) and the upper air inlet 2 of gravure press dryer 8
Distance is 208mm, and the distance between arc plate body b5 starting point B ends (at the B marked in figure) and air inlet 2 are 192mm, arc
Vertical range between shape plate body a4 starting point A ends and arc plate body b5 starting point B ends is 216mm.
The gravure press dryer model partition grid with wind deflector structure that embodiment 2 is designed, carry out fluid emulation
Analysis, simulation result is as shown in fig. 6, the result according to Fig. 6 shows, after the inside installation wind deflector of installation gravure press dryer 8,
With wind deflector a little collision occurs for hot blast, and caused turbulent flow is less.
Embodiment 3
Step 1, the analysis model of gravure press dryer 8 is established, the size for setting the upper air inlet 2 of gravure press dryer 8 is 300mm
× 400mm (long × wide), air outlet a1 sizes are 220mm × 400mm (long × wide), and air outlet b3 sizes are 320mm × 210mm
(long × wide), the cavity length L of gravure press dryer 8 is 800mm;
Step 2, grid division, by the model discretization of gravure press dryer 8.
Step 3, fluid emulation analysis is carried out to the model of gravure press dryer 8 after step 2 discretization, is carrying out fluid emulation
During analysis, (intake velocity is by intake and the radiometer of the area of air inlet 2 by the intake velocity 12.9619m/s of setting air inlet 2
Draw), hot blast temperature 353K, the air outlet a1 of entrance of air inlet 2 and air outlet b3 pressure value be -310&-
150Pa, atmospheric density ρ are 1.205kg/m3, viscosity μ is 1.7894e-05Pas, and specific heat Cp is 1006.43J/kg
K, pyroconductivity ε are 0.0242W/mK;
Step 4, the position that turbulent flow occurs in hot wind flow in gravure press dryer is drawn according to simulation analysis result in step 3
Put, the position that turbulent flow occurs is the installation site of wind deflector, and simulation result is referring to Fig. 7, the deeper ring-like pattern of color in figure
As turbulent flow;
Step 5, the wind deflector installation site obtained according to step 4 is installed in gravure press dryer 8 to be gone out for reducing turbulent flow
The wind deflector of existing frequency, the concrete structure of wind deflector are as follows:
Wind deflector includes upper wind deflector and lower wind deflector, the structure of upper wind deflector are:Including arc plate body a4, arc plate body
Arc side plate a6 is connected with a4, circular hole a9 is evenly distributed with arc side plate a6;
The structure for wherein playing wind deflector is:Including arc plate body b5, arc side plate b7, arc are connected with arc plate body b5
Circular hole b10 is evenly distributed with side plate b7;
Wherein arc plate body a4 and arc plate body b5 is distributed in inside gravure press dryer 8 in "eight" shape, arc plate body a4
Upper end of the position occurred using turbulent flow as starting point to gravure press dryer 8 extends and bent, the position that arc plate body b5 occurs with turbulent flow
The lower end for being set to starting point to gravure press dryer 8 extends and bent.
The side in same orientation is fixed on wherein arc plate body a4, arc side plate a6 and arc plate body b5, arc side plate b7
On the inwall of the trailing flank of gravure press dryer 8, arc plate body a4, arc side plate a6 and arc plate body b5, arc side plate b7 with
The trailing flank of gravure press dryer 8 is vertical.
Wherein arc side plate a6 is corresponding to arc side plate b7 to be distributed in "eight" shape, arc side plate a6 and arc plate body a4's
Bending direction is identical, and arc side plate a6 is located at arc plate body a4 inner side, and (i.e. arc side plate a6 is connected to the interior of arc plate body a4
On wall);
Wherein arc side plate a6 is corresponding to arc side plate b7 to be distributed in "eight" shape, arc side plate b7 and arc plate body b5's
Bending direction is identical, and arc side plate b7 is located at arc plate body b5 inner side, and (i.e. arc side plate b7 is connected to the interior of arc plate body b5
On wall);
The distance between arc plate body a4 starting point A ends (i.e. at the A marked in Fig. 2) and the upper air inlet 2 of gravure press dryer 8
For 184mm, the distance between arc plate body b5 starting point B ends (at the B marked in figure) and air inlet 2 are 152mm, arc
Vertical range between body a4 starting point A ends and arc plate body b5 starting point B ends is 159mm.
The gravure press dryer model partition grid with wind deflector structure that embodiment 3 is designed, carry out fluid emulation
Analysis, simulation result is as shown in figure 8, the result according to Fig. 8 shows, after the inside installation wind deflector of installation gravure press dryer 8,
Uniform hot wind flow trace can be obtained from simulation result, shortens the distance of hot wind flow, hot blast collides with baking oven inwall
Significantly reduce so as to wait until higher wind speed, be effectively reduced turbulent flow, ensure that the Rational flow of hot blast.
Claims (7)
- A kind of 1. design method of gravure press dryer wind deflector, it is characterised in that:Specifically include following steps:Step 1, the analysis model of gravure press dryer (8) is established;Step 2, the grid division on gravure press dryer (8) model that step 1 is established, by gravure press dryer (8) model discretization;Step 3, fluid emulation analysis is carried out to gravure press dryer (8) model after step 2 discretization;Step 4, the installation site of wind deflector is determined according to the analysis result of step 3;The detailed process of the step 4 is:The position that turbulent flow occurs in the gravure press dryer (8) interior hot wind flow is drawn according to simulation analysis result, turbulent flow occurs Position be wind deflector installation site;Step 5, the wind deflector installation site obtained according to step 4 is installed in gravure press dryer (8) for reducing turbulent flow appearance The wind deflector of frequency;The wind deflector installed in the step 5 includes upper wind deflector and lower wind deflector, and the structure of the upper wind deflector is:Including arc Arc side plate a (6) is connected with shape plate body a (4), arc plate body a (4), circular hole a (9) is evenly distributed with arc side plate a (6);The structure of the lower wind deflector is:Including arc plate body b (5), arc side plate b (7), arc are connected with arc plate body b (5) Circular hole b (10) is evenly distributed with shape side plate b (7);The arc plate body a (4) is distributed in gravure press dryer (8) inside with arc plate body b (5) in "eight" shape;The arc Side plate a (6) is corresponding to arc side plate b (7) to be distributed in gravure press dryer (8) inside in "eight" shape.
- A kind of 2. design method of gravure press dryer wind deflector according to claim 1, it is characterised in that:The step 3 When carrying out fluid emulation analysis, intake velocity, the wind of air inlet (2) entrance of gravure press dryer (8) upper air inlet (2) are set Temperature, to ensure that gravure press dryer (8) reaches required chamber pressure, air outlet a (1) in gravure press dryer (8) is set and gone out Air port b (3) pressure.
- A kind of 3. design method of gravure press dryer wind deflector according to claim 1, it is characterised in that:The arc Upper ends of the body a (4) using the position that turbulent flow occurs as starting point to gravure press dryer (8) extends and bent;The arc plate body b (5) Lower end of the position occurred using turbulent flow as starting point to gravure press dryer (8) extends and bent;The arc plate body a (4), arc side plate a (6) and arc plate body b (5), arc side plate b (7) are each attached to intaglio printing press baking On the inwall of case (8) trailing flank.
- A kind of 4. design method of gravure press dryer wind deflector according to claim 3, it is characterised in that:The arc Body a (4), arc side plate a (6), arc plate body b (5) and arc side plate b (7) are vertical with the trailing flank of gravure press dryer (8).
- A kind of 5. design method of gravure press dryer wind deflector according to claim 1, it is characterised in that:The curved side Plate a (6) is identical with arc plate body a (4) bending direction, and the arc side plate a (6) is located at arc plate body a (4) inner side;The arc side plate b (7) is identical with arc plate body b (5) bending direction, and the arc side plate b (7) is located at arc plate body B (5) inner side.
- A kind of 6. design method of gravure press dryer wind deflector according to claim 1, it is characterised in that:The arc The distance between body a (4) starting point A ends and air inlet (2) are 0.18~0.26 times gravure press dryer (8) cavity length;Institute State gravure press dryer (8) inner chamber that the distance between arc plate body b (5) starting point B ends and air inlet (2) are 0.12~0.24 times Length.
- A kind of 7. design method of gravure press dryer wind deflector according to claim 1, it is characterised in that:The arc The air inlet (2) that vertical range between body a (4) starting point A ends and arc plate body b (5) starting point B ends is 0.29~0.72 times Length.
Priority Applications (1)
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CN107718870A (en) * | 2017-09-27 | 2018-02-23 | 侯鹏 | A kind of two-sided drying box of web paper intaglio printing press |
CN107832521B (en) * | 2017-11-03 | 2021-05-25 | 西安理工大学 | Optimization design method for air inlet pipeline system of gravure press oven |
CN108032599B (en) * | 2017-11-03 | 2019-12-24 | 西安理工大学 | Design method of gravure press drying oven with consistent air nozzle air speed |
CN109591449A (en) * | 2018-12-25 | 2019-04-09 | 运城制版印刷机械制造有限公司 | A kind of intaglio press drying device |
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CN201320871Y (en) * | 2008-12-05 | 2009-10-07 | 北京画中画印刷有限公司 | Hot-air drying box arranged on rotary press |
CN102350868A (en) * | 2011-08-08 | 2012-02-15 | 华南理工大学 | Drying box for web press |
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