CN107532490B - Honeycomb molded body with cracking resistance - Google Patents
Honeycomb molded body with cracking resistance Download PDFInfo
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- CN107532490B CN107532490B CN201680018341.9A CN201680018341A CN107532490B CN 107532490 B CN107532490 B CN 107532490B CN 201680018341 A CN201680018341 A CN 201680018341A CN 107532490 B CN107532490 B CN 107532490B
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- molded body
- honeycomb molded
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16S—CONSTRUCTIONAL ELEMENTS IN GENERAL; STRUCTURES BUILT-UP FROM SUCH ELEMENTS, IN GENERAL
- F16S3/00—Elongated members, e.g. profiled members; Assemblies thereof; Gratings or grilles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Filtering Materials (AREA)
- Catalysts (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
The present invention discloses a kind of honeycomb molded body with high cracking resistance energy.The present invention provides a kind of honeycomb molded body, including the multiple chamber units for extending to length direction and being divided by next door to provide the channel of the flowing for fluid, it is characterized in that, the honeycomb molded body includes the outer wall around the honeycomb molded body, and there is at least part of the outer wall stress to mitigate feature.In accordance with the invention it is possible to can be realized the honeycomb molded body of high capacity (scalable) while providing a kind of generation and extension for effectively inhibiting crackle.
Description
Technical field
The present invention relates to a kind of honeycomb molded bodies, in more detail, are related to a kind of honeycomb knot with high cracking resistance energy
Structure body.
Background technique
Under normal circumstances, honeycomb molded body is the knot formed by the multiple chamber units flowed for fluid with honeycomb shape
Structure body can be used for multiple use, such as heat-storing material, diesel particulate filter (DPF), catalyst carrier.
Honeycomb molded body based on ceramic material by squeezing, the forming modes manufacture such as injection molding, but after shaping dry
During dry, exist since structural body surface cracks (crack) and be difficult to expand asking for large capacity honeycomb molded body
Topic.Due to this problem, although in order to large capacity fluid flowing and use stacking and stickup small-sized honeycomb shape structural body with into
The modular mode of row, but which needs to be laminated and paste etc. the design of additional process.
In addition, silicon carbide is easy to accumulation of heat and hot recycling because of high heat conductance, to consider to be used as Regenerative Combustion System
The heat-storing material of (Regenerative Thermal Oxidation System, RTO).Also, because silicon carbide has high heat resistance
Property and chemical resistance and in terms of the filters such as DPF use also increasing.But problem is, due to the high brittleness of silicon carbide,
Will necessarily be cracked during shaping and drying when high capacity, and will receive by under hot operation environment heating repeatedly and
Thermal shock caused by cooling.
Summary of the invention
(1) technical problems to be solved
For solve above-mentioned problems of the prior art the purpose of the present invention is to provide a kind of honeycomb structures
Body, having can effectively inhibit silicon carbide, cordierite, aluminium oxide, mullite etc. based on the honeycomb molded body of ceramic material
The structure cracked.
Also, the purpose of the present invention is to provide a kind of with cracking resistance and is easy to the honeycomb structure of high capacity
Body.
(2) technical solution
To achieve the goals above, the present invention provides a kind of honeycomb molded body, including for provide for fluid flowing
Channel and the multiple chamber units for extending to length direction and being divided by next door, which is characterized in that the honeycomb molded body includes
Around the outer wall of the honeycomb molded body, there is at least part of the outer wall stress to mitigate feature.
Wherein, the stress mitigates feature and can be realized by the vertical disconnected portion of outer wall.At this point, the vertical disconnected portion of the outer wall can be to institute
The length direction for stating honeycomb molded body extends.Also, the vertical disconnected portion of the outer wall can be by that will constitute the honeycomb molded body
At least part of at least one chamber unit opened to realize.
In one embodiment of the invention, the stress mitigates feature and can be realized by outer wall bending section.At this point, institute
State the surface shape that outer wall bending section has recess shape.Unlike this, the outer wall bending section, which can have, is internally recessed
Curvature.
Also, in order to realize that above-mentioned technical problem, one embodiment of the present of invention provide a kind of honeycomb molded body, including
The multiple chamber units for extending to length direction and being divided by next door to provide passage for fluid flow, which is characterized in that
The honeycomb molded body includes boundary portion between the multiple modules that can be divided, the module and around the structural body
Outer wall, and there is the outer wall of the corresponding position of boundary portion between the module at least one stress to mitigate feature.
In one embodiment of the present of invention, it is preferable that the chamber unit size of the boundary portion between the module is less than described
The chamber unit size of inside modules.Also, it at the same time or unlike this, can be set as the boundary portion between the module
Next door thickness be greater than the inside modules next door thickness.
The honeycomb molded body of one embodiment of the present of invention can be applied to heat-storing material, diesel particulate filter, catalysis
Agent carrier etc..
According to one embodiment of present invention, in the central part of the honeycomb molded body, removal at least one can be passed through
Partition wall and form channel.
(3) beneficial effect
According to the present invention, a kind of honeycomb structure of structure with generation and the extension that can effectively inhibit crackle is provided
Body.Therefore, honeycomb molded body of the invention is easily achieved high capacity (scalable).
Detailed description of the invention
Fig. 1 is the figure for illustrating honeycomb molded body of the invention.
Fig. 2 is the figure for roughly showing the cross-section structure of honeycomb molded body of the first embodiment of the present invention.
Fig. 3 is the figure for roughly showing the cross-section structure of honeycomb molded body of the second embodiment of the present invention.
Fig. 4 is the figure for roughly showing the cross-section structure of honeycomb molded body of the third embodiment of the present invention.
Fig. 5 is for illustrating that residual stress of the invention above-mentioned mitigates the figure of the stress mitigation mechanism of feature (Rf).
Fig. 6 is the cross-sectional view for roughly illustrating the honeycomb molded body of the fourth embodiment of the present invention.
Fig. 7 is the cross-sectional view for roughly illustrating the honeycomb molded body of the fifth embodiment of the present invention.
Fig. 8 is the cross-sectional view for roughly illustrating the honeycomb molded body of the sixth embodiment of the present invention.
Fig. 9 is the figure for specifically illustrating the part of Fig. 8 and constituting.
Figure 10 is the cross-sectional view for roughly illustrating the honeycomb molded body of the seventh embodiment of the present invention.
Figure 11 is the figure for specifically illustrating the part of Figure 10 and constituting.
Figure 12 is the figure for roughly showing the honeycomb molded body of the eighth embodiment of the present invention.
Figure 13 is the figure for roughly showing the honeycomb molded body of the ninth embodiment of the present invention.
Figure 14 is the figure of a part that amplification shows Figure 13.
Figure 15 is the figure for roughly showing the honeycomb product of another embodiment of the present invention.
Preferred forms
In the following, referring to attached drawing, preferred embodiment of the present invention will be described, with the present invention will be described in detail.
Fig. 1 is the figure for illustrating honeycomb molded body of the invention.
Referring to Fig.1, honeycomb molded body 10 has the multiple chamber units 12 for being divided into lattice shape.
The chamber unit 12 provides passage for fluid flow.Length of the chamber unit 12 to honeycomb molded body 10
Direction extends, and can according to circumstances be designed to the shape that one end of the chamber unit 12 is closed or both ends are all opened.It is described
Each chamber unit of honeycomb molded body 10 is divided by chamber unit wall.As shown, inner wall 14 and outer wall 16 divide the honeycomb
The chamber unit of shape structural body 10, and its thickness can be appropriately designed.In general, the thickness that may be designed to outer wall 16 is greater than inner wall 14
Thickness, and according to circumstances, the thickness of inner wall 14 can be different.Each chamber unit has cuboid from section in Fig. 1
Shape, but the section shape of chamber unit is only example.
The honeycomb molded body can be manufactured by various materials such as cordierite, aluminium oxide, mullite and silicon carbide.Also,
The honeycomb molded body can be manufactured by porous material, with the fluid flowing being easy between each chamber unit.
In the following, illustrating the manufacturing method of honeycomb molded body used for heat-storage material.
It is main material by least one of the group selected from cordierite, aluminium oxide, mullite and SiC, wherein mixing conduct
Shaping assistant includes the nothings such as organic bonds and clay, aluminium oxide, silica such as polyvinyl alcohol (PVA), methylcellulose (MC)
The raw material of machine adhesive.
In addition, paraffin (parafin wax), stearic acid (stearic acid), dormant oil can be added in raw material
(mineral oil) or higher boiling oil etc..
Mixed raw material is uniformly kneaded in kneading machine and is squeezed after the maturation of certain time by extruder
Pressure.
The formed body that extruder squeezes is cut into predefined size and is dried.It, can be through in order to keep rate of drying uniform
Cross wet dry, vacuum drying, microwave drying process.Drying carries out 12 to after having scheduled intensity, at 50~150 DEG C
Hour or more drying.If remaining excess moisture after dry, moisture evaporates rapidly and will lead to crackle in sintering process
It generates, therefore should make to form intracorporal moisture minimum.
Sintering process carries out after drying, sets optimal burning according to the sintering characteristic of main material and inorganic bond
Knot condition usually carries out sintering in 3~24 hours at 800~1600 DEG C or so.
In addition, addition carbon component, starch (starch), polymer microbeads etc. can pass through when using DPF and catalyst carrier
Heat treatment is oxidized or the pore former that volatilizees manufactures porosity honeycomb molded body.
Contraction when honeycomb molded body is dried after shaping, in general, the surface of structural body is than internally dry fastly.Cause
This, structural body surface and internal rate of drying have differences, so that there are residual stress for structural body outer wall surface.The remnants are answered
Power is tensile stress, is the stress occurred by the contraction of internal structure object constraint outer wall surface.Therefore, remain in outer wall surface
Tensile stress be more than the prescribed level that can bear of structural body and cause the generation and extension of crackle.Structure is instantiated in Fig. 1
The crackle C that body upper surface generates when dry.The generation of similar stress and crackle, it is running in honeycomb molded body
It can also be generated in heating and cooling circulation.
With the increase of the size of unit honeycomb molded body, the difference of the rate of drying of structural body inside and outside will also increase,
Therefore the size of the stress caused by outer wall will also increase.Therefore, it in the high capacity of honeycomb molded body, needs to consider
The design of anti-crack.
Fig. 2 is the figure for roughly showing the cross-section structure of honeycomb molded body of the first embodiment of the present invention.
Referring to Fig. 2, illustratively, honeycomb molded body 100 is by the chamber unit 112, the inner wall 114 and outer that are arranged with clathrate
Wall 116 is constituted.In the present invention, there is the outer wall 116 of the honeycomb molded body 100 residual stress to mitigate feature Rf.
As an embodiment of the present invention, it includes the continuity interrupted around outer wall that the residual stress, which mitigates feature Rf,
Vertical disconnected portion.In the present invention, free end (free end) is played the role of in the vertical disconnected portion of the outer wall.That is, outer wall is no longer along
Continuous around structural body, the part being interrupted forms outer wall free end.
In attached drawing, showing the vertical disconnected portion of the outer wall is gap, but from three-dimensional, to the length direction of honeycomb molded body
I.e. the extending direction of chamber unit extends.The vertical disconnected portion of the outer wall can be upwardly extended in the whole length side of honeycomb molded body, or
Unlike this, can also extend to a part of length direction.
Also, a free end is only shown in the accompanying drawings, but in the present invention, the vertical disconnected portion of the outer wall can be with chamber unit
Configuration is repeated based on interval, for example, can repeat by specified period or irregularly to configure.
In the present invention, the honeycomb molded body can manufacture by the following method.
Firstly, being uniformly kneaded in kneading machine to the raw material mixed, after the maturation of predetermined time, pass through
Extruder squeezes.In order to squeeze the honeycomb molded body of Fig. 2, the mold of extruder can have for forming honeycomb structure and stress
Mitigate the counter structure of feature Rf.For example, counter structure can have the negative shape for mitigating feature Rf relative to the stress
(negative shape).It specifically, can be in extrusion die as shown in Fig. 2, in order to form the vertical disconnected portion of the outer wall of long gap shape
Corresponding position formed to length direction extend prominent structure.
The formed body that extruder squeezes is cut into predefined size and is dried.It, can be through in order to keep rate of drying uniform
Cross wet dry, vacuum drying, microwave drying process.Drying is to after having scheduled intensity, at a temperature of 50~150 DEG C
Drying in progress 12 hours or more.If remaining excess moisture after dry, moisture is evaporated rapidly and be will lead in sintering process
The generation of crackle, therefore should make to form intracorporal moisture minimum.
Sintering process carries out after the drying process, can be set most according to the sintering characteristic of main material and inorganic bond
Good sintering condition usually carries out sintering in 3~24 hours at 800~1600 DEG C or so.
Although instantiating the manufacturing method of honeycomb molded body shown in Figure 2 above, above-mentioned manufacturing method is except change
Other than the shape of mold, other applicable identical methods.
Specific embodiment
Fig. 3 is the figure for roughly showing the cross-section structure of honeycomb molded body of the second embodiment of the present invention.
The residual stress of Fig. 3 mitigates another realization form that feature Rf is the vertical disconnected portion of outer wall.In the present embodiment, a room
Unit does not have outer wall, and is exposed to outside.In this configuration, residual stress mitigation feature also still interrupts a chamber unit left side
The continuity of right outer wall.
Fig. 3 is shown through one chamber unit of exposure come by way of forming the vertical disconnected portion of outer wall, but contacts the present invention of the invention
Person of an ordinary skill in the technical field will readily appreciate that, can make adjacent on the direction for be parallel to outer wall surface two with
On chamber unit or adjacent more than two chamber units on the direction perpendicular to outer wall surface expose in this way.
Fig. 4 is the figure for roughly showing the cross-section structure of honeycomb molded body of the third embodiment of the present invention.
Differently with Fig. 4, the vertical disconnected portion of outer wall is realized by removing the outer wall of two surface chamber units.Such case
Under, make the inner wall crosspoint (circle of dotted line) of lower part chamber unit to outer exposed.
Fig. 5 is for illustrating that residual stress of the invention above-mentioned mitigates the figure of the stress mitigation mechanism of feature Rf.
As shown in Fig. 5 (a), shunk according to dry, residual-tensile stress acts on the arbitrary point P on 116 surface of outer wall.This
It can illustrate the limitation of the structural body to shrink for outer wall.That is, outer wall can not be shunk with the degree consistent with drying,
Tensile stress with this corresponding remains in outer wall in the form of stress.The tensile stress generates and extended surface crackle.
As shown in Fig. 5 (b), the deformation that feature Rf causes outer wall can be mitigated by residual stress such as the vertical disconnected portions of such as outer wall.That is, outer
Free end is played the role of in the vertical disconnected portion of wall, is enabled the part of structural body adjacent thereto to elimination or is mitigated residual stress
Direction distortion.For example, the outer wall adjacent with the free end of outer wall can relatively free to be shunk, to eliminate residual stress.
In addition, in the present embodiment, such as free end residual stress mitigation feature Rf can play the barrier of crack propagation
Effect.The crackle that outer wall surface generates is extended by outer wall.But the free end when arrival as outer wall discontinuity interval
When, the propagation energy of crackle is released, so that stress is mitigated in free end.At this moment, the outer peripheral surface of structural body by regulation away from
Feature Rf is mitigated from multiple stress are arranged, thus, it is possible to effectively inhibit the extension of crackle.
Fig. 6 is the cross-sectional view for roughly illustrating the honeycomb molded body of the fourth embodiment of the present invention.
Referring to Fig. 6, there is honeycomb molded body 100 residual stress such as outer wall bending section to mitigate feature Rf.
As shown, a part of outer wall is bent to the inside of honeycomb molded body in the regulation point of structural body.Such as show
Example, the outer wall bending section can have negative cruvature.In the mode similar with Fig. 5 related description, bending of the stress in the outer wall
It is mitigated in portion.In the outer wall bending section, structural body plays the effect similar with the deformation in free end.That is, curved in outer wall
Pars convoluta, outer wall is almost kept fixed thickness and the length of the outer wall corresponding to the chamber unit will increase.The length of increased outer wall
Outer wall can be deformed and play the role of buffer.
Fig. 7 is the cross-sectional view for roughly illustrating the honeycomb molded body of the fifth embodiment of the present invention.
Identical as Fig. 6, there is the honeycomb molded body 100 outer wall bending section to mitigate feature Rf as residual stress.In
The outer wall bending section in shape is recess shape rather than in terms of negative cruvature although the unit length of outer wall is increasing
It has differences.
Foregoing illustrate the honeycomb molded body 100 of the shape with quadrangle post shapes, but honeycomb of the invention
It's not limited to that for structural body.For example, the technical field of the invention those of ordinary skill will readily appreciate that the honeycomb of cylindrical shape
Shape structural body can be designed to have stress of the invention and mitigate feature.It in this case, can be along honeycomb molded body
The stress that circumference arranges at least more than one at regular intervals mitigates feature, and extends to the length direction of structural body.
As described above, the honeycomb molded body 100 of the embodiment of the present invention is able to suppress the generation and extension of crackle.Cause
This, can be realized the honeycomb molded body of large capacity and large area.In addition, the stress of the embodiment of the present invention above-mentioned mitigates machine
System is for the ease of understanding of the invention.Honeycomb molded body 100 of the invention can also be by mitigating from aforementioned different stress
Mechanism inhibits the generation and extension of crackle, and certain this mechanism also belongs to the range of technical idea of the invention.
In the following, embodiment according to the present invention is illustrated the realization example of the honeycomb molded body of large capacity.
Fig. 8 is the cross-sectional view for roughly illustrating the honeycomb molded body of the sixth embodiment of the present invention.
Referring to Fig. 8, honeycomb molded body 200 is made of multiple submodule 110.For example, the width and height of each submodule 110
Degree may respectively be 7.5cm, and length is about 30cm.At this point, the chamber unit of structural body 200 is preferably sized to 15 if heat-storing material
~50cpsi；If DPF, preferably 25~100cpsi；If catalyst carrier, preferably 50~400cpsi.Certainly, at this
In invention, the size of chamber unit can be appropriately sized according to requiring to be set to.
Outer wall 116 is around the multiple submodule 110.It is slow with residual stress in the regulation point of the outer wall
With feature Rf.The residual stress, which mitigates feature Rf, to be made of the vertical disconnected portion of outer wall above-mentioned or outer wall bending section.As shown,
The residual stress, which mitigates feature Rf, may be formed in the boundary line between submodule, but the present invention is not limited to this.For example, institute
Stating residual stress mitigation feature Rf also may be disposed on the outer wall intermediate point of submodule 110.Also, it is not particularly limited remnants to answer
The quantity of power mitigation feature Rf.For example, multiple residual stress can be arranged by interval appropriate in the upper surface of the structural body 200
Mitigate feature.
Fig. 9 (a) is the figure of (part A) inside the submodule for specifically illustrating Fig. 8.As shown in Fig. 9 (a), submodule is interior
The aggregate for the chamber unit 112 with predetermined space that wall 114 divides.As shown, in submodule, the inner wall 114
Thickness keeps scheduled interval d1.
In addition Fig. 9 (b) is the figure for specifically illustrating the boundary portion B between the submodule of Fig. 8.As shown in Fig. 9 (b), it is known that
Submodule boundary portion B, ground identical as inside are continuously arranged through multiple chamber units 112 of the divisions such as inner wall 114.In addition, Fig. 9
(b) thickness d 2 for showing the inner wall in regulated boundary portion can be greater than the inner wall thickness d1 of other chamber units.
Figure 10 and Figure 11 is the cross-sectional view for roughly illustrating the honeycomb molded body of the seventh embodiment of the present invention.
Referring to Fig.1 0, identically as Fig. 8, honeycomb molded body 300 is divided into submodule B1, B2, B3, B4.
As shown in Figure 11 (a), the inside A of each module is made of divided multiple chamber units.But as shown in Figure 11 (b),
The chamber unit that width compares internal pinch is arranged in the boundary portion 140 of module, and the inner wall thickness d3 of boundary portion 140 is greater than mould
Inner wall thickness dl inside block.Thus reinforce the intensity of the structural body of boundary portion.
But general technical staff of the technical field of the invention will readily appreciate that, it can be according to design requirement to this implementation
The size of thickness or chamber unit that the inner wall in module alignment portion 140 is constituted in example carries out appropriate adjustment.
Figure 12 is the figure for roughly showing the honeycomb molded body of the eighth embodiment of the present invention.
2 it is found that honeycomb molded body 400 is made of 16 submodules 110 referring to Fig.1.Also, four adjacent submodules
Group forms the honeycomb molded body of structure as shown in Figure 8, and it is whole that four submodule groups with boundary portion 140 are that boundary and collecting to be formed
Honeycomb molded body 400.
In the position appropriate of 400 outer wall of honeycomb molded body, for example, in submodule boundary portion there is stress to mitigate
Feature Rf.As shown, stress, which mitigates feature Rf, to be made of the vertical disconnected portion of outer wall, outer wall bending section or their combination.
Figure 13 is the figure for roughly showing the honeycomb molded body of the ninth embodiment of the present invention.
Referring to Fig.1 shown in 3, identically, honeycomb molded body 500 is by 16 110 structures of submodule for related explanation with Figure 12's
At, and four submodule groups are with boundary portion 140 is boundary and collects and to form whole honeycomb molded body 500.And with Figure 12
There is the outer wall of identical mode, the honeycomb molded body 500 stress to mitigate feature Rf.
The structure in the portion, honeycomb core of the structural body of Figure 13 is different from the structural body of Figure 12.
Referring to Fig.1 4, there is the central part Cf of honeycomb molded body 600 next door for dividing a part of chamber unit to be removed
Shape.When being dried dry air can smoothly supply the central part along the central portion at center, and with outer wall
Stress mitigates feature in the same manner, can play the role of mitigating stress when central part is shunk because dry.Cross is shown in Figure 14
The channel of shape, but this is only example of the invention, and general technical staff of the technical field of the invention will readily appreciate that, can basis
The removing method of central part inner partition and form a variety of channels such as " ├ ", " ┤ ".Also, such as the crisscrossing channels of the present embodiment
Central part structure can be applicable in other honeycomb molded bodies illustrated in this manual in the same way.
Illustrating honeycomb molded body in foregoing embodiment is hexagonal post shapes, but honeycomb product can also be used
Cylindrical shape.
Figure 15 is to illustrate the figure of the honeycomb product of cylindrical shape of the invention.
Referring to Fig.1 5, honeycomb product 600 is made of multiple submodule 110.The honeycomb product 600 of this structure can lead to
The multiple combinations of the honeycomb molded body of the present embodiment above-mentioned are crossed to realize.
As the honeycomb molded body 200 being made of four centrally located submodules 110, can be used illustrated in fig. 8
Honeycomb molded body.Certainly, as the honeycomb molded body 200, the honeycomb illustrated in Figure 10 and Figure 12 also can be used
Structural body.Eight submodules 110 on the periphery adjacent with the honeycomb molded body 200 can be by respectively by single honeycomb structure
A part of body is joined to the honeycomb molded body 200 to manufacture.
Unlike this, centrally located four submodules 110 can the bee as shown in Fig. 2 to Fig. 4, Fig. 6 and Fig. 7 respectively
Nest shape structural body 100 forms.At this point, the submodule on periphery can be by arriving the honeycomb for a part engagement of honeycomb molded body
Shape structural body 200 manufactures.
Industrial applicibility
Honeycomb molded body of the invention can be used for multiple use, as heat-storing material, diesel particulate filter (DPF),
Catalyst carrier etc..
Claims (6)
1. a kind of honeycomb molded body, including extend to provide passage for fluid flow to length direction and drawn by next door
The multiple chamber units divided, and pass through extruder and squeeze, which is characterized in that
The honeycomb molded body includes boundary portion between the multiple modules that can be divided, the module and around the structure
The outer wall of body,
The outer wall of the corresponding position of boundary portion between the module has to be prolonged to the length direction of the honeycomb molded body
The stress stretched mitigates feature,
The stress mitigates feature and is made of the combination in outer wall vertical disconnected portion and outer wall bending section,
The outer wall bending section has the curvature being internally recessed, to increase peripheral wall length,
The stress mitigates feature and mitigates outer wall surface generation in the drying process for the honeycomb molded body being extruded
Stress.
2. honeycomb molded body according to claim 1, which is characterized in that
The chamber unit size of boundary portion between the module is less than the chamber unit size of the inside modules.
3. honeycomb molded body according to claim 1, which is characterized in that
The thickness in the next door of the boundary portion between the module is greater than the thickness in the next door of the inside modules.
4. honeycomb molded body according to claim 1, which is characterized in that
In the central part of the honeycomb molded body, channel is formed and removing at least part next door.
5. a kind of heat-storing material comprising honeycomb molded body of any of claims 1 or 2.
6. a kind of diesel particulate filter comprising honeycomb molded body of any of claims 1 or 2.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2015-0053846 | 2015-04-16 | ||
| KR1020150053846A KR101714363B1 (en) | 2015-04-16 | 2015-04-16 | Honeycomb Structures With Enhanced Crack Resistance |
| PCT/KR2016/003238 WO2016167497A1 (en) | 2015-04-16 | 2016-03-30 | Honeycomb structure having crack resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107532490A CN107532490A (en) | 2018-01-02 |
| CN107532490B true CN107532490B (en) | 2019-11-22 |
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ID=57127113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680018341.9A Active CN107532490B (en) | 2015-04-16 | 2016-03-30 | Honeycomb molded body with cracking resistance |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101714363B1 (en) |
| CN (1) | CN107532490B (en) |
| WO (1) | WO2016167497A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237032A (en) * | 2020-01-16 | 2020-06-05 | 常州浩蔚环保科技有限公司 | Non-uniform thermal expansion coefficient distribution of particle traps |
| KR20210112583A (en) | 2020-03-05 | 2021-09-15 | (주)에이치에스패널 | Honeycom Core for Composite Panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0867222A2 (en) * | 1997-03-28 | 1998-09-30 | Ngk Insulators, Ltd. | Ceramic honeycomb structural body with different wall thicknesses |
| CN1224638A (en) * | 1998-01-08 | 1999-08-04 | 本田技研工业株式会社 | Metal support for exhaust gas purifying catalyst |
| CN1898459A (en) * | 2003-12-25 | 2007-01-17 | 揖斐电株式会社 | Exhaust gas purifying device and method for recovering exhaust gas purifying device |
| CN101053974A (en) * | 2002-06-17 | 2007-10-17 | 日立金属株式会社 | Method for producing a ceramic honeycomb structure |
| CN101126335A (en) * | 2002-02-05 | 2008-02-20 | 揖斐电株式会社 | Honeycomb filter for purifying exhaust gases |
| EP1974789A1 (en) * | 2006-01-18 | 2008-10-01 | Ngk Insulators, Ltd. | Honeycomb structure |
| CN103269771A (en) * | 2010-12-24 | 2013-08-28 | 日本碍子株式会社 | Honeycomb structure |
| CN103635770A (en) * | 2011-06-30 | 2014-03-12 | 日本碍子株式会社 | Heat exchange member |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012170935A (en) | 2011-02-24 | 2012-09-10 | Denso Corp | Honeycomb structure |
| JP2013202531A (en) * | 2012-03-28 | 2013-10-07 | Kubota Corp | Honeycomb filter |
-
2015
- 2015-04-16 KR KR1020150053846A patent/KR101714363B1/en active IP Right Grant
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2016
- 2016-03-30 WO PCT/KR2016/003238 patent/WO2016167497A1/en active Application Filing
- 2016-03-30 CN CN201680018341.9A patent/CN107532490B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0867222A2 (en) * | 1997-03-28 | 1998-09-30 | Ngk Insulators, Ltd. | Ceramic honeycomb structural body with different wall thicknesses |
| CN1224638A (en) * | 1998-01-08 | 1999-08-04 | 本田技研工业株式会社 | Metal support for exhaust gas purifying catalyst |
| CN101126335A (en) * | 2002-02-05 | 2008-02-20 | 揖斐电株式会社 | Honeycomb filter for purifying exhaust gases |
| CN101053974A (en) * | 2002-06-17 | 2007-10-17 | 日立金属株式会社 | Method for producing a ceramic honeycomb structure |
| CN1898459A (en) * | 2003-12-25 | 2007-01-17 | 揖斐电株式会社 | Exhaust gas purifying device and method for recovering exhaust gas purifying device |
| EP1974789A1 (en) * | 2006-01-18 | 2008-10-01 | Ngk Insulators, Ltd. | Honeycomb structure |
| CN103269771A (en) * | 2010-12-24 | 2013-08-28 | 日本碍子株式会社 | Honeycomb structure |
| CN103635770A (en) * | 2011-06-30 | 2014-03-12 | 日本碍子株式会社 | Heat exchange member |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016167497A1 (en) | 2016-10-20 |
| KR20160124292A (en) | 2016-10-27 |
| KR101714363B1 (en) | 2017-03-23 |
| CN107532490A (en) | 2018-01-02 |
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