CN107938232B - A kind of tentering drying oven of heat setting machine structure - Google Patents
A kind of tentering drying oven of heat setting machine structure Download PDFInfo
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- CN107938232B CN107938232B CN201711012110.XA CN201711012110A CN107938232B CN 107938232 B CN107938232 B CN 107938232B CN 201711012110 A CN201711012110 A CN 201711012110A CN 107938232 B CN107938232 B CN 107938232B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C3/00—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a kind of tentering drying oven of heat setting machine structures, turbo-charger set structure is set in forming machine baking oven, solve the hydrodynamic performance in traditional forming machine baking oven operational process, improvement original structure is unreasonable, and there are vortex structures, optimize local flow field, vortices breakdown is significantly reduced, solves the problems, such as that air draft is unsmooth and fiber dust is easy the hidden danger that energy caused by forming accumulation at vortex structure consumed and generated fire excessively, provides the foundation for the energy conservation and environmental protection and safety in production of forming machine.
Description
Technical field
The present invention relates to printing and dyeing heat setting machine fields, more particularly to a kind of tentering drying oven of heat setting machine structure.
Background technique
So-called thermal finalization is to be placed in fabric in hot environment under tension (such as 180~200 DEG C), and keep centainly
Size or form, after being heat-treated a period of time, the process that then cools rapidly.In this course, due to synthetic fibers
With good thermoplasticity, when in the higher environment of temperature, the rearrangement between macromolecular chain segment is so that fiber microstructure and shape
Great changes will take place for state, and the fiber microstructure changed is made to be fixed, therefore the most important effect of thermal finalization is just to confer to
The metastable size of fabric and form.
Since synthetic fibers and its blended fabric are in textile dyeing and finishing process, have repeatedly by dry, humid heat treatment
History, and fabric in the process of running will be by the stretching action of various tension, thus its shape, size are in changeable multiple always
Miscellaneous state, such as warp, broadwise length variation (shrink or extend), cloth cover wrinkle etc., so that product is in formalness and structure ruler
It is varied on very little, some even loses form, the look and feel that fabric should have, and has seriously affected wearability.
This case can be improved well by thermal finalization.
Tentering heat setting machine be to fabric sizing main equipment, by forming machine sizing can make fibre structure into
Row remodeling, feel, sliding, color, breadth, strength, appearance of fabric etc. are improved, and then are reached and taken required by fabric
Performance.
The structure of existing forming machine is as shown in Figure 1, wherein and 1 is blower, and 2 be vent, and 3 be air duct, and 4 be heat exchanger, 5
It is impeller of blower, 6 be baking oven cabinet.In traditional oven structure, cloth is printed and dyed after centering body centering, enters air duct
3 medium height position, the cloth with moisture realize tentering thermal finalization in the hot wind that 3 nozzle of air duct is discharged.Baking oven passes through
Structure heat exchanger heats air, and guides blower into air duct 3 under the action of blower 1, and the hot-air of the high speed of ejection is complete
After the heating and sizing of pairs of cloth, most of exhaust gas are discharged by vent 2, and portion gas is again introduced into the heating of heat exchanger 4
Continue cycling through or enter next section baking oven.
Wherein, the drying room structure of tentering heat setting machine influences fixed effect great, and tuyere therein is to sizing
Influential effect is maximum.And at present in forming machine design process, due to lacking reasonable design method, only mode by rule of thumb,
The intuitive imagination causes design effect bad to be designed.Especially traditional forming machine has big face in heat exchanger to fan section
The high-intensitive reflux whirlpool of product exists, unsmooth there are air draft and fiber dust is easy energy mistake caused by forming accumulation at vortex structure
Degree consumption and the hidden danger for leading to the problem of fire.
Summary of the invention
The present invention provides a kind of tentering drying oven of heat setting machine structure, can be effectively solved baking oven in heat-setting process and runs
The problem of process medium fluid operation is unsmooth, and temperature distribution is non-uniform in forming machine.
Present invention provide the technical scheme that
A kind of tentering drying oven of heat setting machine structure, including baking oven cabinet are provided with air duct, heat exchanger, wind in baking oven cabinet
Machine, single between heat exchanger and blower to be placed with turbo-charger set structure, the length of turbo-charger set structure is expressed as L, and L is defined as
0.15-0.35 times of nozzle length, maximum height D0 are 0.6-0.75 times of heat exchanger height, and here, turbo-charger set structure is most
It is located at the center position of heat exchanger length at big height, is defined as at 0.45L~0.55L, the front end of turbo-charger set structure
Smoothly transitted by two arc sections: arc section one is the circle that radius is d0, is in inner concavity, positioned at the starting of turbo-charger set structure
It holds and tangent with the upper end line of turbo-charger set structure, the size of d0 and the height D0 of turbo-charger set structure are related, are defined as d0=0.1D0
~0.2D0；Arc section two is the circle of radius d1, is in outer gibbosity, and positioned at the front end of arc section one, the center of circle of arc section two is in height
Upper to be associated with the center location of arc section one, the height distance of the circle center distance arc section one of arc section two is D1, D1 in height
=0.4D0~0.6D0, while arc section two is before arc section one in front-rear position, and the circle center line connecting of two sections of circular arcs
It is at an angle of θ 1 with vertical line, the size of angle is defined as 1=10 °~30 ° θ, remaining position camber line of turbo-charger set structure is by flowing
The connection of line style arc transition；
Turbo-charger set structure has certain inclination angle, and inclination type definition is the introversion of inclination angle theta 2,2=5 °~15 ° θ, turbo-charger set
Structural edge does round corner treatment, rounding constant magnitude and be d2, related to the maximum height D0 of turbo-charger set structure, is defined as d2
The upper surface width marker of=0.1D0~0.15D0, turbo-charger set structure are h, and lower end face thickness is by different location height and inclination angle theta
2 can be calculated；
Turbo-charger set structure is connected with the partition of forming machine, turbo-charger set structure it is adjacent with heat exchanger mechanism in front-rear position but
It is not attached to, and the distance definition of the center of circle of the arc section one of turbo-charger set structure and heat exchanger is LJ, LJ=0.1L-0.2L；
The baking oven is respectively distributed 12 nozzle air ducts up and down, and 12 nozzle air ducts constitute short between each 5 spray groups around
It is spaced the interval HL 1 long in HS and middle position, in forming machine baking oven, there is round hole in the centre of short divider panel, round
Gas vent exports completion to hot-air after the heating of fabric.
Turbo-charger set structure corresponding with nozzle air duct is 12, wherein in the nozzle air duct arrangement of baking oven, middle section is
In place of the connection of two structures, centre is spaced apart, and the thickness Ha of turbo-charger set structure is related with nozzle segment spacing, and Ha=0.7Hs~
0.8Hs, the center line positioned at the turbo-charger set structure of short spacing HS are overlapped with short spacing center line；Positioned at the turbo-charger set of long spacing HL
Structure is in arrangement, the coincident at turbo-charger set edge and long spacing.
Forming machine oven structure of the invention solves the hydrodynamic performance in traditional forming machine baking oven operational process, improves
Original structure is unreasonable, and there are vortex structures, optimize local flow field, hence it is evident that reduce vortices breakdown, solution air draft is unsmooth and fiber dust holds
The hidden danger that energy caused by accumulation consumed and led to the problem of fire excessively is formed easily at vortex structure, is the section of forming machine
It environmentally friendly can provide the foundation with safety in production.
Detailed description of the invention
Fig. 1 is traditional forming machine oven structure schematic diagram.
Fig. 2 is optimized flow chart of the present invention.
Fig. 3 is fabric temperature distribution map under prototype structure.
Fig. 4 is baking oven speed and streamline distribution figure under prototype structure.
Fig. 5 is turbo-charger set structural schematic diagram one of the invention.
Fig. 6 is turbo-charger set structural schematic diagram two of the invention.
Fig. 7 is the A-A cross-sectional view of Fig. 6.
Fig. 8 is position view of the turbo-charger set structure in forming machine baking oven.
Fig. 9 is the arrangement schematic diagram in nozzle air duct of the invention.
Figure 10 be the present invention optimization structure after baking oven in fabric temperature distribution map.
Figure 11 be the present invention optimization structure after baking oven in speed and streamline distribution figure.
Figure 12 is velocity contour before and after heat exchanger-fan section improving cavity.
Figure 13 is tubulence energy distribution map before and after heat exchanger-fan section improving cavity.
Figure 14 is tubulence energy dissipative term distribution map before and after heat exchanger-fan section improving cavity.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing.
By analyzing existing forming machine oven structure, using CFD software to fluid in wherein baking oven operational process
Run unsmooth, the problem of internal temperature field is unevenly distributed is emulated, and proposes a kind of novel mechanism on this basis
For improving internal flow state, non-stationary flow field structure is eliminated, to solve the problems, such as this.Overview flow chart as shown in Fig. 2,
One: establishing physical size model
On the basis of traditional tentering heat setting machine, the physical size model of 1:1 is established.Using etc. big threedimensional model as base
Plinth, the emulation and the verifying after optimization for doing interior flow field.
Two: carrying out the fluid emulation based on finite element
To carry out CFD emulation, the present invention emulates by the following method.
1) boundary condition is established
According to Fig. 1 and physical model shown in Fig. 2 and the flow and method, (removal is practical after simplifying to model
The factors such as metal plate connector in process), in conjunction with actual production status, when being simulated, by hot air inlet (by drying
The fabric input mouth of case) boundary condition situations such as being defined as speed entrance, need to determining wind speed size, wind speed direction and temperature.Hot wind
Outlet is discharged by exhaust duct via exhaust fan, and in addition to this there are also certain flows enters junior's baking oven via exit slot,
The boundary condition that air outlet slit is arranged is pressure export；Cavity is covered by thermal insulation material, is considered as heat insulation layer.
2) grid is established
Multiple computational domains are integrally divided into baking oven in pre-processing software, grid dividing mode uses structured grid,
Mesh refinement has been carried out to entire baking oven boundary layer, has considered that the computational accuracy of emulation and result reliability, the present invention have carried out net
The independence of lattice is verified.
3) CFD is emulated
The fluid flow fields of baking oven are turbulent flow, after air duct model is carried out idealization processing, the side ε turbulence model selection standard k-
Journey model.Using the whole process simulation of discrete scheme and pressure x velocity coupling process progress fluid built in CFD, to be passed
The simulation result of system baking oven.
For convenience of description, the present invention chooses forming machine actual processing and often uses situation, chooses single-unit baking oven intake and is
2000m3/h, wherein air draft gas is impartial with the gas volume fraction for entering lower section oven air, ratio 1:1, blower
Revolving speed is 1500rpm, defines the thermally conductive oil temperature of heat exchanger and is emulated for 200 DEG C.After emulation, the profiling temperatures of fabric side
It is as shown in Figure 3: it can be found that the temperature field of fabric side is in the presence of certain the case where being unevenly distributed.Velocity analysis is carried out again, speed
It is as shown in Figure 4 to spend streamline distributions: discovery that can be more obvious from velocity profile, formd on rear side of heat exchanger one it is bright
Aobvious vortex structure.
Three, Optimal Structure Designing
Improve the internal flow situation of forming machine, realizes a uniform temperature flow field and stable fluid flow state pair
Improve forming machine operation interval, improve fabric quality, improve added value of product, enhance one's market competitiveness in all play it is important
Effect.Meanwhile optimizing the exclusion that heat exchanger-fan section Flow Field Distribution is conducive to charged fiber dirt, security risk is reduced, is added
Strong forming machine reliability of operation and safety.
For this purpose, the present invention devises a kind of novel forming machine baking oven, wherein specially devising turbo-charger set structure, decrease is changed
The intensity of vortex structure in the runner of hot device-fan section, to realize the stationary flow in oven interior flow field (velocity field and temperature field)
Dynamic and forming machine efficient operation.Turbo-charger set structure of the invention devises similar aerofoil profile as shown in figure 5, according to oven structure
Winglet turbo-charger set structure, in the single arrangement of heat exchanger-fan section, such as Fig. 6, the length of turbo-charger set structure is expressed as L, and L is fixed
The nozzle length that justice is 0.15-0.35 times, maximum height D0 are 0.6-0.75 times of heat exchanger height, here, turbo-charger set structure
Maximum height at be located at heat exchanger length center position, be defined as at 0.45L~0.55L, turbo-charger set structure
Front end is smoothly transitted by two arc sections: arc section one is the circle that radius is d0, is in inner concavity, positioned at turbo-charger set structure
Starting point and tangent with the upper end line of turbo-charger set structure, the size of d0 and the height D0 of turbo-charger set structure are related, are defined as d0=
0.1D0~0.2D0；Arc section two is the circle of radius d1, is in outer gibbosity, positioned at the front end of arc section one, the center of circle of arc section two
It is associated in height with the center location of arc section one, the height distance of the circle center distance arc section one of arc section two is in height
D1, D1=0.4D0~0.6D0, while arc section two is before arc section one in front-rear position, and the center of circle of two sections of circular arcs
Line and vertical line are at an angle of θ 1, and the size of angle is defined as 1=10 °~30 ° θ, remaining position camber line of turbo-charger set structure
It is connected by streamlined arc transition.
Such as Fig. 7, turbo-charger set structure has certain inclination angle, and inclination type definition is the introversion of inclination angle theta 2,2=5 °~15 ° θ,
Turbo-charger set structural edge does round corner treatment, rounding constant magnitude and be d2, related to the maximum height D0 of turbo-charger set structure, calmly
Justice is d2=0.1D0~0.15D0, and the upper surface width marker of turbo-charger set structure is h, and lower end face thickness is by different location height
It can be calculated with inclination angle theta 2.Turbo-charger set structure is connected with the partition of forming machine, turbo-charger set structure in front-rear position with heat exchange
Device mechanism is adjacent but is not attached to, and the distance definition of the center of circle of the arc section one of turbo-charger set structure and heat exchanger is LJ, LJ=
0.1L-0.2L。
Such as Fig. 8, the partition 8 of 7 co-shaping machine of turbo-charger set structure is connected, turbo-charger set structure in front-rear position with heat exchanger 4
It is adjacent but be not attached to, and the distance definition of the center of circle of the arc section one of turbo-charger set structure and heat exchanger 4 is LJ, LJ=0.1L-
0.2L；Heat exchanger structure it is close be turbo-charger set structure bicircular arcs section.
In addition, the arrangement mode of the aerofoil profile turbo-charger set structure is extremely important, nozzle in arrangement actually herein and baking oven
Position it is directly corresponding.The wherein position arrangement such as Fig. 9 of baking oven nozzle:
In complete machine, baking oven is respectively distributed 12 nozzle air ducts 9, by taking baking oven top nozzle as an example, the 12 of baking oven top half up and down
A nozzle air duct constitutes short interval (short spacing distance length mark is HS) and middle position between each 5 spray groups around
1 long interval (long spacing distance length mark be HL).In forming machine baking oven, there is round hole in the centre of short divider panel,
Circular exhausting-gas hole exports completion to hot-air after the heating of fabric.The air mass flow of circular exhausting-gas hole section will be higher than as a result,
The air mass flow of nozzle back surface.Since hot-air can further be heated by heat exchanger, which results in pass through heat exchanger
The hot air flowrate of fin be it is non-uniform, i.e., the hot air flowrate of the interval region between nozzle and nozzle is than nozzle back surface area
The hot air flowrate in domain is much larger.Inhomogeneities into the hot gas flow of heat exchanger can also reflect heat exchanger-fan section
In air duct.The vortex intensity that the big region of flow generates is higher than low flow volume region and in the present invention breaks whirlpool for this problem
Corresponding arrangement has also been made in putting in order for broken structure.
Corresponding aerofoil profile turbo-charger set structure is 12, and arrangement form is as shown in Figure 9, wherein is arranged in the nozzle air duct 9 of baking oven
In, middle section is the connection place of two structures, and centre is spaced apart, therefore in the distribution of aerofoil profile turbo-charger set structure 10, intermediate
That arranges is relatively close, and the thickness Ha of turbo-charger set structure is related with nozzle segment spacing, and Ha=0.7Hs~0.8Hs.It is located at
The center line of the turbo-charger set structure of section spacing is overlapped with short spacing center line；Turbo-charger set structure positioned at normal spacing in arrangement,
The coincident at turbo-charger set edge and long spacing.
In the present invention, turbo-charger set structure has inclination angle, forms the segmentation to incoming flow hot gas and acts on, can also using the setting of introversion
It is guided with will be close to the air-flow of forming machine baking oven partition into heat exchanger-fan section main air duct.Reduce the stop of hot-air
Time, the presence of vortex structure can weaken local vortex intensity, the number of fiber dust convolution be reduced, in conjunction with lesser stop
Time can prevent the accumulation of fiber dust.
Four, simulating, verifying
Simulating, verifying process is substantially with structure simulation part, and details are not described herein.
Simulated conditions operating condition is same as above, and the profiling temperatures of baking oven entirety are as shown in Figure 10, the internal speed field of baking oven and
Streamline distributions are as shown in figure 11.The speed and motion pattern of comparison diagram 4 and Figure 11 are improved it is known that by simulating, verifying
Structure can eliminate the vortex structure on the right side of heat exchanger, reduce the intensity being vortexed in original baking oven, and solve large scale vortex
Caused by fiber dust blocking and aggregation and the inflammable and explosive risk that further reduced.Meanwhile the presence of turbo-charger set structure mentions
Flow stability in high heat exchanging device-fan section air duct, alleviates blocking of the existing vortex to air duct before improving
Effect optimizes the flow field structure of oven interior to the uniform stable incoming flow that two blowers of baking oven provide.In addition, this
Invention realizes the steady flow in oven interior flow field (velocity field and temperature field) and the efficient operation of forming machine.Practical application feelings
Condition shows that the grease stain that the position of vortex structure is originally deposited in forming machine and fiber dust significantly reduce, and overall thermal source utilization rate is big
Width is promoted.
Finally, as the quantitative criteria of beneficial achievement of the present invention, existing optimizing heat exchanger-fan section process parameter
The comparison of front and back indicates that there are the inverted speeds of large area in master mould, this illustrates close in master mould as shown in figure 12
Baking oven partition position even occupies 25% air duct area there are the recirculating zone of large area, at maximum area, and convection current movable property is raw
Greatly ponding.And the vortices breakdown that flows back in original model is big, will also result in fiber dust and constantly circles round in vortex, in turn
It blocks runner and forms security risk.In runner after optimization, reverse velocity band becomes 8%, greatly alleviates vortex pair
The ponding in air duct, and the vortex intensity after optimization is smaller, and the convolution blocking for also largely solving fiber dust is asked
Topic, optimizing flow field structure improves the safe operation situation of blower.
By tubulence energy intensity is shown in Figure 13.Stronger turbulence can mean that bigger turbulivity, and in heat exchanger-
Fan section is this mainly to transport in the air duct based on hot-air, and lesser tubulence energy also implies that preferable flow regime.Energy
Enough find out, sharply decline in the tubulence energy close to baking oven area of diaphragm, the flow field after optimization, illustrates flowing more at partition
Add stabilization.Though tubulence energy is increased slightly after far from separator segment optimization, it is little to increase amplitude, and farthest away from partition position
(i.e. close to bottom surface position) tubulence energy has reduction again after optimization.It is good after capable of also illustrating optimization from the angle of turbulent extent
Good effect.
What Figure 14 was captured is the energy of fluid caused by presence and flow instability of the heat exchanger-fan section because of vortex
It dissipates., it is clear that having very strong energy close to partition position and close to bottom surface position in air duct before optimization
Amount dissipates, it is meant that very strong energy lost in dissipation.And in data after optimization, it may be seen that energy consumes
Non-dramatic song line is steady and energy dissipation is far below original model, this, which is further illustrated, of the invention improves oven interior stream
It is dynamic, improve safe operation coefficient and efficient operation section.
Claims (3)
1. a kind of tentering drying oven of heat setting machine structure, which is characterized in that
Including baking oven cabinet, air duct, heat exchanger, blower are provided in baking oven cabinet, the single arrangement between heat exchanger and blower
There is turbo-charger set structure, the length of turbo-charger set structure is expressed as L, and L is defined as 0.15-0.35 times of nozzle length, maximum height D0
It is 0.6-0.75 times of heat exchanger height, here, the center of heat exchanger length is located at the maximum height of turbo-charger set structure
It at position, is defined as at 0.45L-0.55L, the front end of turbo-charger set structure is smoothly transitted by two arc sections: arc section one
The circle for being d0 for radius, be in inner concavity, positioned at turbo-charger set structure starting point and with the upper end line of turbo-charger set structure it is tangent, d0's
Size is related with the height D0 of turbo-charger set structure, is defined as d0=0.1D0-0.2D0；Arc section two is the circle of radius d1, in outer
Convex, positioned at the front end of arc section one, the center of circle of arc section two is associated with the center location of arc section one in height, in height
The height distance of the circle center distance arc section one of arc section two is D1, D1=0.4D0-0.6D0, while the circular arc in front-rear position
Section two is before arc section one, and the circle center line connecting of two sections of circular arcs and vertical line are at an angle of θ 1, and the size of angle is defined as θ
1=10 ° -30 °, remaining position camber line of turbo-charger set structure is connected by streamlined arc transition；
Turbo-charger set structure has certain inclination angle, and inclination type definition is the introversion of inclination angle theta 2, -15 ° of θ 2=5 °, turbo-charger set structure side
Edge does round corner treatment, rounding constant magnitude and be d2, related to the maximum height D0 of turbo-charger set structure, is defined as d2=
The upper surface width marker of 0.1D0-0.15D0, turbo-charger set structure are h, and lower end face thickness can by different location height and inclination angle theta 2
It is calculated；
Turbo-charger set structure is connected with the partition of forming machine, and turbo-charger set structure is adjacent with heat exchanger mechanism in front-rear position but not phase
Even, and the distance definition of the center of circle of the arc section one of turbo-charger set structure and heat exchanger is LJ, LJ=0.1L-0.2L.
2. a kind of tentering drying oven of heat setting machine structure according to claim 1, which is characterized in that each point up and down of the baking oven
12 nozzle air ducts of cloth, 12 nozzle air ducts constitute the short interval H between each 5 spray groups aroundSAnd 1 of middle position is long
It is spaced HL, in forming machine baking oven, there is round hole in the centre of short divider panel, and circular exhausting-gas hole is after completing to the heating of fabric
Hot-air export.
3. a kind of tentering drying oven of heat setting machine structure according to claim 1, which is characterized in that corresponding with nozzle air duct
Turbo-charger set structure is 12, wherein in the nozzle air duct arrangement of baking oven, middle section is centre in place of the connection of two structures
It is spaced apart, the thickness Ha of turbo-charger set structure is related with nozzle segment spacing, and Ha=0.7Hs-0.8Hs, is located at short spacing HSWhirlpool it is broken
The center line of broken structure is overlapped with short spacing center line；Positioned at long spacing HLTurbo-charger set structure in arrangement, turbo-charger set edge
With the coincident of long spacing.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6406595B1 (en) * | 1995-10-20 | 2002-06-18 | Institute Of Paper Science And Technology, Inc. | Methods and apparatus to enhance paper and board forming qualities |
| TW584680B (en) * | 1999-05-28 | 2004-04-21 | Inventa Fischer Ag | Device for intermingling, relaxing, and/or thermosetting of filament yarn in a melt spinning process, as well as associated processes and the filament yarn manufactured therewith |
| CN2491789Y (en) * | 2001-08-07 | 2002-05-15 | 汕头市金通实业有限公司 | Vortex steam heating dry over |
| CN200975831Y (en) * | 2006-11-29 | 2007-11-14 | 汕头市远东轻化装备有限公司 | Vortex type bake oven |
| CN102162705B (en) * | 2011-03-25 | 2012-08-15 | 兰州交通大学 | Combined curved-surface vortex generator-type round fin-tube heat exchanger |
| CN202323138U (en) * | 2011-11-08 | 2012-07-11 | 江苏文凤化纤集团有限公司 | Drawing and heat-setting box body for polyamide FDY (Fully Drawn Yarn) |
| CN102514370A (en) * | 2011-12-08 | 2012-06-27 | 杨峥雄 | Drying box of printing coating machine and energy saving method |
| KR101229347B1 (en) * | 2012-09-05 | 2013-02-05 | 일성기계공업 주식회사 | Hotwind spray nozzle of tenter machine and hotwind spray device of tenter machine using thereof |
| CN103820963B (en) * | 2014-01-27 | 2015-03-25 | 太仓新瑞节能设备有限公司 | Setting machine with drying oven |
| CN104894790A (en) * | 2015-05-28 | 2015-09-09 | 江苏海大印染机械有限公司 | Tenter drying oven heat balance system |
| CN105926227A (en) * | 2016-07-06 | 2016-09-07 | 德州仁信印染机械有限公司 | Indirect natural gas heating device of stenter setting machine |
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