CN206832034U - Buckled tunnel cave kiln body - Google Patents
Buckled tunnel cave kiln body Download PDFInfo
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- CN206832034U CN206832034U CN201720548765.8U CN201720548765U CN206832034U CN 206832034 U CN206832034 U CN 206832034U CN 201720548765 U CN201720548765 U CN 201720548765U CN 206832034 U CN206832034 U CN 206832034U
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- refractory brick
- groove
- plug
- brick
- vault
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Abstract
The utility model discloses a kind of buckled tunnel cave kiln body, the vault of kiln body is supported on wall by skew block, vault and wall include plug-in refractory brick, clamping groove is provided with plug-in refractory brick body, skew block includes skew block body, skew block body top surface is provided with buckling groove, key brick installation inclined-plane lower end is provided with key brick supporting boss, be respectively provided with refractory brick body and skew block both ends of the surface can mutual clamping tenon and tongue-and-groove；Wall is interlocked by clamping groove by inside and outside two layers of plug-in refractory brick in thickness direction and is built into, and vault is interlocked by clamping groove by upper and lower two layers of plug-in refractory brick in short transverse and is built into；Vault upper strata plug-in refractory brick is interlocked by clamping groove and buckling groove to be connected on lower floor's plug-in refractory brick and skew block.The buckled tunnel kiln physical efficiency strengthens the stability of the structure connection and stove vault construction between kiln body inner lining refractory block, ensures the heat-proof quality and service life of stove.
Description
Technical field
It the utility model is related to a kind of industrial furnace, more particularly to a kind of kiln body inner lining structure of stove.
Background technology
Industrial furnace being manufactured to burned product and carry out heat treatment process to some products, be it is a kind of not
The Thermal Equipment that can or lack, also referred to as the continuous burnt formula industrial furnace of modernization, tunnel cave, usually one long linear tunnel
Road, include the stove wall and stove vault of both sides, the gravity of stove vault is delivered on stove wall by arch springing, stove wall
Body and stove vault are generally built by laying bricks or stones by the material with fire resisting and heat-insulating property to be formed, and refractory brick is the most basic of all kinds of stoves
Refractory material, as the inner lining material of stove, refractory brick will generally be resistant to the high temperature spent 1,000 more, also have preferably insulation
Effect, conventional refractory brick are rectangular parallelepiped structure, and its is simple in construction, easy to make, but in use, due to such fire resisting
The mutual structural relationship of brick is poor, and by after expanding with heat and contract with cold and being influenceed, stove inner lining structure can be deformed, loosened refractory brick, be led
Gap becomes big between causing refractory brick, is possible to directly to communicate inside and outside refractory brick, stove heat-proof quality declines, and directly affects stove
Service life and economic benefit；And stove vault is also due to expanding with heat and contract with cold and being deformed, with arch in use
Push up repeated deformation, the joint sealing material between key brick also can be deformed or peeled off therewith, between key brick and skew block and in this way, from
And gap can be formed between key brick and skew block, cause the decline of kiln top sealing heat-insulating property, and key brick and arch springing
Attachment structure between brick has destroyed trend, and skew block can not form good support to key brick, cause stove well
It is easily impaired at the top of kiln, influence the service life of stove.
Utility model content
For the above-mentioned deficiency present in prior art, technical problem to be solved in the utility model is to provide a kind of button
Formula tunnel cave kiln body is connect, it can strengthen the stabilization of the structure connection and stove vault construction between tunnel kiln body inner lining refractory block
Property, ensure the heat-proof quality and service life of stove.
In order to solve the above-mentioned technical problem, a kind of buckled tunnel cave kiln body of the present utility model, including vault and wall,
Vault is supported on wall by skew block, and the vault and wall include plug-in refractory brick, and the plug-in refractory brick includes
Refractory brick body, the refractory brick body is the hexahedron surrounded by top surface facing each other, side and end face, in refractory brick body
Clamping groove is provided with one top surface, the bottom land linea angulata of the clamping groove is parallel with side, the slot opening of the clamping groove
Spend A be bottom land linea angulata to two times of lateral distance B to 2 points 5 times, tenon is provided with refractory brick body end face, resistance to
Firebrick body is provided with tongue-and-groove on other end, and the tenon is pluggable, and in the tongue-and-groove, the tenon and the tongue-and-groove are parallel with top surface,
And the tenon and the tongue-and-groove are located at the centre position of clamping groove height；The wall is in thickness direction by inside and outside two layers of plug-in
Refractory brick is interlocked by clamping groove and is built into, and the end face of adjacent two plug-ins refractory brick is connected by tenon with tongue-and-groove card insertion；Institute
State vault and interlocked in the height direction by upper and lower two layers of plug-in refractory brick by clamping groove and is built into, on vault length direction
The end face of adjacent two plug-ins refractory brick is connected by tenon with tongue-and-groove card insertion；The skew block includes skew block body, in institute
State skew block body top surface and be provided with buckling groove, inclined-plane is parallel sets relative to the key brick installation on skew block body for the buckling groove
Put, key brick installation inclined-plane lower end is provided with key brick supporting boss, tenon is provided with skew block body end face,
Skew block body is provided with tongue-and-groove on other end, and the tenon and the tongue-and-groove are each perpendicular to skew block body bottom surface, and tenon can be inserted
It is connected in the tongue-and-groove, the bottom surface of the skew block body is step surface, and the protuberance and key brick supporting boss of the step surface are same
Side is set；The upper strata plug-in refractory brick adjacent with skew block is interlocked by clamping groove and buckling groove is connected to lower floor's plug-in
On refractory brick and skew block, the lower floor plug-in refractory brick adjacent with skew block is shelved on key brick supporting boss, in vault
The end face that adjacent two arch connects brick on length direction is connected by tenon with tongue-and-groove card insertion.
In said structure, because the vault and wall include plug-in refractory brick, the plug-in refractory brick includes resistance to
Firebrick body, the refractory brick body is the hexahedron surrounded by top surface facing each other, side and end face, in refractory brick body one
Clamping groove is provided with top surface, the bottom land linea angulata of the clamping groove is parallel with side, the width of rebate A of the clamping groove
For two times to 2 points 5 times of bottom land linea angulata to lateral distance B, tenon is provided with refractory brick body end face, in refractory brick
Body is provided with tongue-and-groove on other end, and the tenon is pluggable, and in the tongue-and-groove, the tenon and the tongue-and-groove are parallel with top surface, and should
Tenon and the tongue-and-groove are located at the centre position of clamping groove height, then clamping groove set on the top surface of refractory brick body one
Parallel with refractory brick this body side surface and be symmetrical arranged between two parties between refractory brick body two sides, such refractory brick body sets card
The protruding parts of both sides can be formed after groove by connecing, and would is that two layers of plug-in refractory brick relative combinations uses in practical application,
The protruding parts of adjacent two plug-ins refractory brick in one layer just can be with card insertion to another plug-in refractory brick of layer one clamping
In groove, two layers of plug-in refractory brick enhances mutual structural relationship by the mutual snapping of the clamping groove.And by
Interlocked and be built into by clamping groove by inside and outside two layers of plug-in refractory brick in thickness direction in the wall, adjacent two plug-in is resistance to
The end face of firebrick is connected by tenon with tongue-and-groove card insertion, and the vault is led to by upper and lower two layers of plug-in refractory brick in the height direction
Cross clamping groove and interlock and be built into, the end face of adjacent two plug-ins refractory brick passes through tenon and tongue-and-groove card insertion on vault length direction
Connection, then the stove kiln body inner lining structure including stove wall and vault is made up of plug-in refractory brick, plug-in
Refractory brick forms the double-decker of mutual snapping, when the stove of this spline structure is affected by thermal expansion and contraction in use, with stove
After gap increase in the connected wall internal layer of kiln working chamber and vault lower floor between adjacent two plug-ins refractory brick, outside wall
The plug-in refractory brick being interlockingly connected in layer and vault upper strata can form barrier to it, prevent it from directly leading to outside, from
And ensure the heat-proof quality of stove, and the possibility for causing stove to damage between two layers of plug-in refractory brick due to loosening
It is greatly lowered.Again because the skew block includes skew block body, the skew block body top surface is provided with buckling groove, the card
Access slot be arranged in parallel relative to the key brick installation inclined-plane on skew block body, and key brick installation inclined-plane lower end is provided with vault
Brick supporting boss, tenon is provided with skew block body end face, tongue-and-groove is provided with skew block body other end, should
Tenon and the tongue-and-groove are each perpendicular to skew block body bottom surface, and the tenon is pluggable in the tongue-and-groove, the bottom of the skew block body
Face is step surface, and protuberance and the key brick supporting boss homonymy of the step surface are set, then using set on skew block body
Buckling groove can be with plug-in refractory brick grafting, to strengthen heat-insulating and sealing performance, the setting side of key brick supporting station can be with
There is provided more preferable supporting role for vault, adjacent two skew blocks end face can by set tenon and the mutual clamping of tongue-and-groove,
Switching performance is strengthened between each skew block, and the step surface set by protuberance and key brick supporting boss homonymy then can be with
Make preferably bear thrust external in horizontal direction caused by vault between stove wall and skew block, to stove vault
Preferably support is provided.Due also to the upper strata plug-in refractory brick adjacent with skew block is interlock by clamping groove and buckling groove
It is connected on lower floor's plug-in refractory brick and skew block, the lower floor plug-in refractory brick adjacent with skew block is shelved on key brick supporting
On boss, the end face that adjacent two arch connects brick on vault length direction is connected by tenon with tongue-and-groove card insertion, then skew block is in stove
Good connection function is played between arch of furnace top and stove wall, on the one hand stove vault is expanded with heat and contract with cold shadow during use
Ring and cause between skew block and adjacent key brick contact condition it is bad, so that joint sealing material therein deforms or peels off therewith after,
The plug-in refractory brick positioned at upper strata of institute's grafting can form barrier to caused gap in buckling groove, prevent its from it is outer
Portion directly leads to, and so as to lift the heat-proof quality of stove, while the once stringcourse dome brick adjacent with skew block is shelved on key brick
On supporting boss, the stability of structure is strengthened, another aspect skew block preferably can be connected by step surface with stove wall
It is integrated, supporting role is preferably formed to vault, while skew block itself is strengthened connecting also by tenon and tongue-and-groove.Therefore,
The technical program can strengthen the stability of the structure connection and stove vault construction between tunnel kiln body inner lining refractory block, ensure
The heat-proof quality and service life of stove.
A kind of preferred embodiment of the present utility model, the cross section of the clamping groove are rectangular.Using the embodiment party
Formula, the clamping groove of rectangular cross section is simple for structure, is easy to manufacture.
Another preferred embodiment of the present utility model, the cross section of the clamping groove are in isosceles trapezoid, the isosceles
Trapezoidal longer base is on the top surface of refractory brick body.Using the embodiment, making for arch kiln top can be better adapted to
With requiring.
Another preferred embodiment of the present utility model, the two sides of the refractory brick body and the top of refractory brick body
Face is vertical.Using the embodiment, the profile of refractory brick body is rectangular, is easy to manufacture.
The utility model further preferred embodiment, the two sides of the refractory brick body are same with clamping groove respectively
The groove side of side is parallel.Using the embodiment, the requirement on arch kiln top can be equally well adapted for.
Another further preferred embodiment of the utility model, the buckling groove are rectangular channel.Using the embodiment,
Rectangle buckling groove is versatile, adapts to the grafting requirement of various plug-in refractory brick.
The another further preferred embodiment of the utility model, bearing-surface and vault on the key brick supporting boss
Angle β between brick installation inclined-plane is 90 degree.Using the embodiment, the bearing-surface and vault of key brick supporting boss arch dome brick
The angle on brick installation inclined-plane can be adapted with the shape of key brick.
The further preferred embodiment of the utility model, the cross section semicircular in shape of the tongue-and-groove.Using the implementation
Mode, the tongue-and-groove tongue-and-groove of cross section semicircular in shape it is versatile, be suitable for the clamping requirement of different cross section tenon.
Another further preferred embodiment of the utility model, the cross section semicircular in shape of the tenon or in ladder
Shape.Using the embodiment, the tenon of cross section semicircular in shape can be well matched with the tongue-and-groove of semi-circular cross-section, clamping gap
It is small, and the trapezoidal tenon in cross section both can have certain clamping free degree again with semicircle tongue-and-groove clamping, especially
Suitable for the requirement on arch kiln top.
The another further preferred embodiment of the utility model, is filled out in the clamping groove of the plug-in refractory brick
Filled with joint sealing material；Wedge-like gap is formed between the adjacent two plug-ins refractory brick side on the vault upper strata, in the wedge-like gap
It is interior to be filled with joint sealing material.Using the embodiment, joint sealing material is filled in the clamping groove for two plug-in refractory brick being interlockingly connected
And it is filled in the sealing thermal insulation that can be further ensured that stove between the adjacent two plug-ins refractory brick in vault upper strata in wedge-like gap
Energy.
Brief description of the drawings
The buckled tunnel cave kiln body of the utility model is made further specifically with specific embodiment below in conjunction with the accompanying drawings
It is bright.
Fig. 1 is a kind of structural representation of embodiment of the buckled tunnel cave kiln body of the utility model；
Fig. 2 is the sectional view at vault A-A positions in structure shown in Fig. 1；
Fig. 3 is the sectional view at wall B-B positions in structure shown in Fig. 1；
Fig. 4 is the close-up schematic view at I positions in structure shown in Fig. 1；
Fig. 5 is a kind of structural representation of embodiment of plug-in refractory brick in structure shown in Fig. 1；
Fig. 6 is the end view of structure shown in Fig. 5；
Fig. 7 is the end view of plug-in refractory brick another embodiment；
Fig. 8 is the end view of another embodiment of plug-in refractory brick；
Fig. 9 is a kind of embodiment structural representation of skew block in structure shown in Fig. 1；
Figure 10 is Fig. 9 top view.
In figure：1- vaults, 2- walls, 3- plug-ins refractory brick, 31- refractory brick body, 32- top surfaces, 33- bottom lands
Linea angulata, 34- clamping grooves, 35- end faces, 36- tongue-and-grooves, 37- sides, 38- tenons, 4- joint sealing materials, 5- skew blocks,
51- skew blocks body, 52- key bricks supporting boss, 53- key bricks installation inclined-plane, 54- protuberances, 55- buckling grooves.
Embodiment
In the buckled tunnel cave kiln body shown in Fig. 1, the walls 2 of vault 1 and both sides surround one have at the top of arch and
The linear tunnel type kiln body of certain length, vault 1 are supported on the wall 2 of both sides by the skew block 5 of both sides, the He of vault 1
Wall 2 includes plug-in refractory brick 3, i.e., is that main refractory material laying is formed with plug-in refractory brick 3.Plug-in fire resisting
Brick 3 includes refractory brick body 31, and referring to Fig. 5 and Fig. 6, refractory brick body 31 is by top surface 32 facing each other, side 37 and end
The hexahedron that face 35 surrounds, its top surface 32, side 37 and end face 35 are mutually perpendicular to, and are set on the top surface 32 of refractory brick body 31 1
There is clamping groove 34, the cross section of clamping groove 34 is rectangular, and certainly, the cross section of clamping groove 34 can also be in isosceles ladder
Shape, as shown in fig. 7, the longer base of the isosceles trapezoid is on the top surface 32 of refractory brick body 31, the bottom land of clamping groove 34
Linea angulata 33 is parallel with side 37, and so-called bottom land linea angulata 33 is the angle being crossed to form by the groove bottom of clamping groove 34 with groove side
Portion's intersection, the width of rebate A of clamping groove 34 is two times to 2 points 5 times that bottom land linea angulata 33 arrives the distance B of side 37, in fire resisting
Tenon 38 is provided with the end face 35 of brick body 31, tongue-and-groove 36, tenon 38 are provided with the other end 35 of refractory brick body 31
Pluggable in tongue-and-groove 36, the tenon 38 and tongue-and-groove 36 are parallel with top surface 32, and the tenon 38 and tongue-and-groove 36 are located at clamping groove
The centre position of 34 height.Referring to Fig. 3, wall 2 passes through clamping groove 34 in thickness direction by inside and outside two layers of plug-in refractory brick 3
Interlock and be built into, the cross section of the clamping groove 34 on the plug-in refractory brick 3 of wall 2 is rectangular, and adjacent two plug-in is resistance to
The end face 35 of firebrick 3 is connected by tenon 38 with the card insertion of tongue-and-groove 36；Referring to Fig. 4, vault 1 is blocked by upper and lower two layers in the height direction
Connecing formula refractory brick 3 and interlocked by clamping groove 34 and is built into, the cross section for the clamping groove 34 of vault 1 is in isosceles trapezoid,
The end face 35 of adjacent two plug-ins refractory brick 3 is connected by tenon 38 with the card insertion of tongue-and-groove 36 on the length direction of vault 1；In plug-in
Joint sealing material 4 is filled with the clamping groove 34 of refractory brick 3；Shape between the adjacent side 37 of two plug-ins refractory brick 3 on the upper strata of vault 1
Into wedge-like gap, joint sealing material 4 is filled with the wedge-like gap.Referring to Fig. 9 and Figure 10, skew block 5 includes skew block body 51,
The top surface of skew block body 51 is provided with buckling groove 55, buckling groove 55 is rectangular channel, and buckling groove 55 is relative to skew block body 51
On key brick installation inclined-plane 53 be arranged in parallel, key brick installation the lower end of inclined-plane 53 be provided with key brick supporting boss 52, encircle
Angle β between the bearing-surface and key brick installation inclined-plane 53 of the arch dome brick 3 of dome brick supporting boss 52 is 90 degree, in skew block body
Tenon 38 is provided with 51 end faces, tongue-and-groove 36 is provided with the other end of skew block body 51, the tenon 38 and tongue-and-groove 36
The bottom surface of skew block body 51 is each perpendicular to, tenon 83 is pluggable, and the bottom surface of skew block body 51 is step surface in tongue-and-groove 36, should
The protuberance 54 of step surface is set with the homonymy of key brick supporting boss 52.Referring to Fig. 4, the upper strata plug-in adjacent with skew block 5
Refractory brick 3 is interlocked by clamping groove 34 and buckling groove 55 and is connected on lower floor's plug-in refractory brick 3 and skew block 5, with arch springing
The adjacent lower floor's plug-in refractory brick 3 of brick 5 is shelved on key brick supporting boss 52, adjacent two arch on the length direction of vault 1
The end face of pin brick 5 is connected by tenon 38 with the card insertion of tongue-and-groove 36.The set tongue-and-groove on plug-in refractory brick 3 and skew block 5
36 cross section semicircular in shape, the cross section semicircular in shape of tenon 38, as shown in Fig. 1 be used for wall 2 in, tenon 38 it is transversal
Face can also be trapezoidal, as shown in FIG. 2 in vault 1.
Some embodiments of the present utility model are foregoing merely illustrated, but the utility model is not limited to that, also
More improvement and conversion can be made, top surface 32, side 37 and the end face 35 of such as described refractory brick body 31 may not be
Be mutually perpendicular to, and can be mutually perpendicular to its top surface 32 with end face 35, be as shown in figure 8, its two sides 37 respectively with isosceles ladder
The groove side of homonymy is parallel in the clamping groove 34 of shape.And so on, as long as the institute on the basis of the utility model general principle
The improvement and conversion made, are regarded as falling into the scope of protection of the utility model.
Claims (10)
1. a kind of buckled tunnel cave kiln body, including vault（1）And wall（2）, vault（1）Pass through skew block（5）It is supported on wall
Body（2）On, it is characterised in that the vault（1）And wall（2）Including plug-in refractory brick（3）, the plug-in refractory brick（3）
Including refractory brick body（31）, the refractory brick body（31）It is by top surface facing each other（32）, side（37）And end face（35）
The hexahedron surrounded, in refractory brick body（31）One top surface（32）On be provided with clamping groove（34）, the clamping groove（34）
Bottom land linea angulata（33）With side（37）It is parallel, the clamping groove（34）Width of rebate A be bottom land linea angulata（33）To side
（37）Two times of distance B are to 2 points 5 times, in refractory brick body（31）End face（35）On be provided with tenon（38）, in refractory brick
Body（31）Other end（35）On be provided with tongue-and-groove（36）, the tenon（38）It is pluggable in the tongue-and-groove（36）It is interior, the tenon
（38）And the tongue-and-groove（36）With top surface（32）It is parallel, and the tenon（38）And the tongue-and-groove（36）Positioned at clamping groove（34）Height
Centre position；The wall（2）In thickness direction by inside and outside two layers of plug-in refractory brick（3）Pass through clamping groove（34）Interlock block
Into adjacent two plug-ins refractory brick（3）End face（35）Pass through tenon（38）And tongue-and-groove（36）Card insertion connects；The vault（1）
In the height direction by upper and lower two layers of plug-in refractory brick（3）Pass through clamping groove（34）Interlock and be built into, in vault（1）Length side
Upward adjacent two plug-ins refractory brick（3）End face（35）Pass through tenon（38）And tongue-and-groove（36）Card insertion connects；The skew block
（5）Including skew block body（51）, in the skew block body（51）Top surface is provided with buckling groove（55）, the buckling groove（55）Phase
For skew block body（51）On key brick installation inclined-plane（53）It is arranged in parallel, inclined-plane is installed in key brick（53）Lower end is set
There is key brick supporting boss（52）, in skew block body（51）Tenon is provided with end face（38）, in skew block body（51）
Tongue-and-groove is provided with other end（36）, the tenon（38）With the tongue-and-groove（36）It is each perpendicular to skew block body（51）Bottom surface, should
Tenon（83）It is pluggable in the tongue-and-groove（36）It is interior, the skew block body（51）Bottom surface be step surface, the protrusion of the step surface
Portion（54）With key brick supporting boss（52）Homonymy is set；With skew block（5）Adjacent upper strata plug-in refractory brick（3）Pass through card
Connect groove（34）And buckling groove（55）Interlock and be connected to lower floor's plug-in refractory brick（3）And skew block（5）On, with skew block（5）
Adjacent lower floor's plug-in refractory brick（3）It is shelved on key brick supporting boss（52）On, in vault（1）Adjacent two on length direction
Skew block（5）End face pass through tenon（38）And tongue-and-groove（36）Card insertion connects.
2. buckled tunnel cave kiln body according to claim 1, it is characterised in that：The clamping groove（34）Cross section
It is rectangular.
3. buckled tunnel cave kiln body according to claim 1, it is characterised in that：The clamping groove（34）Cross section
In isosceles trapezoid, the longer base of the isosceles trapezoid is in refractory brick body（31）Top surface（32）On.
4. the buckled tunnel cave kiln body according to claim 1,2 or 3, it is characterised in that：The refractory brick body（31）
Two sides（37）With refractory brick body（31）Top surface（32）Vertically.
5. the buckled tunnel cave kiln body according to claim 1 or 3, it is characterised in that：The refractory brick body（31）'s
Two sides（37）Respectively with clamping groove（34）The groove side of upper homonymy is parallel.
6. buckled tunnel cave kiln body according to claim 1, it is characterised in that：The buckling groove（55）For rectangular channel.
7. buckled tunnel cave kiln body according to claim 1, it is characterised in that：The key brick supporting boss（52）On
Bearing-surface and key brick installation inclined-plane（53）Between angle β be 90 degree.
8. buckled tunnel cave kiln body according to claim 1, it is characterised in that：The tongue-and-groove（36）Cross section in half
It is circular.
9. the buckled tunnel cave kiln body according to claim 1 or 8, it is characterised in that：The tenon（38）Cross section
Semicircular in shape is trapezoidal.
10. buckled tunnel cave kiln body according to claim 1, it is characterised in that：In the plug-in refractory brick（3）'s
Clamping groove（34）It is interior to be filled with joint sealing material（4）；The vault（1）The adjacent two plug-ins refractory brick on upper strata（3）Side（37）
Between form wedge-like gap, joint sealing material is filled with the wedge-like gap（4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548765.8U CN206832034U (en) | 2017-05-17 | 2017-05-17 | Buckled tunnel cave kiln body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548765.8U CN206832034U (en) | 2017-05-17 | 2017-05-17 | Buckled tunnel cave kiln body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206832034U true CN206832034U (en) | 2018-01-02 |
Family
ID=60771840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720548765.8U Withdrawn - After Issue CN206832034U (en) | 2017-05-17 | 2017-05-17 | Buckled tunnel cave kiln body |
Country Status (1)
| Country | Link |
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| CN (1) | CN206832034U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989594A (en) * | 2017-05-17 | 2017-07-28 | 东台市宏大耐热材料有限公司 | Buckled tunnel cave kiln body |
-
2017
- 2017-05-17 CN CN201720548765.8U patent/CN206832034U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989594A (en) * | 2017-05-17 | 2017-07-28 | 东台市宏大耐热材料有限公司 | Buckled tunnel cave kiln body |
| CN106989594B (en) * | 2017-05-17 | 2022-11-01 | 东台市宏大耐热材料有限公司 | Fastening type tunnel kiln body |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20210517 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180102 Effective date of abandoning: 20221101 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180102 Effective date of abandoning: 20221101 |