CN203782013U - Automatic rising type springer structure for regenerative chamber of glass smelting kiln - Google Patents
Automatic rising type springer structure for regenerative chamber of glass smelting kiln Download PDFInfo
- Publication number
- CN203782013U CN203782013U CN201420169617.1U CN201420169617U CN203782013U CN 203782013 U CN203782013 U CN 203782013U CN 201420169617 U CN201420169617 U CN 201420169617U CN 203782013 U CN203782013 U CN 203782013U
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- Prior art keywords
- springer
- arch
- quarrel
- brick
- automatic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000011521 glass Substances 0.000 title claims abstract description 13
- 230000001172 regenerating effect Effects 0.000 title abstract 5
- 238000003723 Smelting Methods 0.000 title abstract 3
- 230000000630 rising effect Effects 0.000 title description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 79
- 239000010959 steel Substances 0.000 claims abstract description 79
- 238000005096 rolling process Methods 0.000 claims abstract description 27
- 239000000725 suspension Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 239000011449 brick Substances 0.000 abstract description 50
- 238000000034 method Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 7
- 230000013011 mating Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 206010009696 Clumsiness Diseases 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
Landscapes
- Glass Melting And Manufacturing (AREA)
Abstract
The utility model discloses a spring structure used in a glass smelting kiln and specifically relates to a mating springer steel beam structure capable of enabling a regenerative chamber wall body and a top-skewback springer brick to be free of an expanding beam and enabling a springer brick to synchronously lift with a wall body. During smelting kiln construction, the expanding beam is not provided between the regenerative chamber wall body and the top-skewback springer brick; the springer steel beam and a regenerative chamber upright post are fixed by a tensile rod, a rolling bar, a movable baffle plate and a wire jacking device. During a heating-up process, with slowly upward expansion of the regenerative chamber wall body, the springer brick starts slowly lifting under action of the wall body to drive the springer steel beam outside to lift, so that the rolling bar rollers and slides; under action of the rolling bar, the springer steel beam overcomes smaller resistance to synchronously lift with the springer brick, and the skewback also synchronously lifts with the springer brick, so that the wall body and the springer brick are tightly combined together without appearing a gap, and therefore, the position is not needed to be processed. And moreover, the springer structure is simple in structure, convenient to maintain and cost-saving.
Description
Technical field
The utility model relates to the arch quarrel structure of using in glass melter, is specifically related to a kind of making and does not stay and establish expansion joint (E.J.) between regenerator body of wall and top arch arch quarrel brick, and arch quarrel brick is with the synchronous supporting arch quarrel steel beam structure rising of body of wall.
Background technology
Glass melter, when cold conditions is built installation by laying bricks or stones, adopts the forms of establishing dilatation joint of staying between regenerator body of wall and top arch arch quarrel brick more at present.Real with high-purity high aluminum fiber blanket plug before heating-up furnace, along with heating-up furnace heats up, regenerator body of wall expands and rises, and this reserved dilatation joint gap progressively dwindles, in theory, the expansion ascending amount that can realize body of wall just just conforms to the pre-allowance of this dilatation joint, situation about completely dilatation joint being shut, still, in practical application, because of the difference of refractory materials, the temperature contrast that heating-up furnace heats up, above-mentioned perfect condition is difficult to realize.So it is exactly a very crucial problem that the staying of this dilatation joint established, if this dilatation joint stays and establishes excessively, the workload of later stage shutoff is large, in addition, because of the execution conditions of later stage shutoff, the restriction of material quality, the resistance to erosiveness at shutoff position is poor, easily burns, and just needs repeatedly shutoff, as this dilatation joint stay establish too small, worry again to expand in the process rising at body of wall, squeeze bad arch quarrel brick, the safety that jeopardizes regenerator top arch.According to experience for many years, now many ways are to stay to establish 75mm dilatation joint, and heating-up furnace heats up and finishes, and this expansion is sewed with reducing in various degree, but seldom has situation about just dilatation joint all being shut, and still needs, with brick material and pug, this dilatation joint is carried out to shutoff
In actual application, this stay establish that the position of expansion joint (E.J.) walks on stage in regenerator above, the discrepancy in elevation is less than 200mm, narrow space, simultaneously, this position is very high again with respect to floor, as build service platform, some clumsiness again, be inconvenient to utilize, so in actually operating, often to select regenerator to walk on stage as operation interface, operator need to squat on walking on stage, just can better observe, construction, in addition, when carrying out shutoff operation, it is higher that the temperature of this position has risen, and there is part position may also have flame to pass, the threat larger to operator's safe constituent ratio, manual operation is more difficult.
In addition, body of wall is in heating-up furnace process, front and back body of wall and position, body of wall left and right, the same side expansion height are different, and expansion joint (E.J.) surplus size differs, while carrying out shutoff, need to according to the size of gap surplus to the brick material using reprocess, the shutoff pug of Additional Specialty again, workload is large, long construction period, and due to the position limit of regenerator column and arch pin beam, may also have seldom part shutoff less than, the effect of actual shutoff is not ideal.Shutoff is herein bad, can all can cause scaling loss to melting furnaces arch pin beam and column for a long time, brings hidden danger to whole production safety.
Summary of the invention
In order to overcome the defect existing in above-mentioned prior art, the purpose of this utility model provides a kind of and between regenerator body of wall and top arch arch quarrel brick, does not stay and establish expansion joint (E.J.) can make melting furnaces cold conditions build by laying bricks or stones to install time, and in heating-up furnace arch quarrel brick with the automatic-ascending formula arch quarrel structure of the synchronous glass melter regenerator rising of body of wall.
The utility model solves the technical scheme that its technical problem adopts: a kind of automatic-ascending formula arch quarrel structure of glass melter regenerator, be positioned at regenerator body of wall top, comprise regenerator column, be fixed on holding device on regenerator column and with the arch quarrel girder steel of this holding device horizontal alignment, be also provided with the erecting by overhang that is fixedly mounted on arch quarrel girder steel top.
Described erecting by overhang is comprised of bearing, pull bar and pull-rod nut, bearing is fixed on regenerator column and is positioned at the position of arch quarrel girder steel top, on the upper horizontal steel plate of bearing, have two elongated openings, two pull bar lower ends are fixed on arch quarrel girder steel top, be upward through two elongated openings of bearing, pull bar upper end is provided with one section of screw thread, with pull-rod nut, fixes.
Pull bar is connected with arch quarrel girder steel top by bearing pin, and junction bearing pin length is 3 times of suspension rod diameter.
At described pull bar, pass the horizontal steel plate part of bearing, then pad and nut are installed, described nut is setting nut.
The above automatic-ascending formula arch quarrel structure is also provided with gearshift, described gearshift comprises a shifting board and a plurality of rolling bar, shifting board is arranged on fixedly between plate washer and contraposition parallel with fixed dam of holding device and arch quarrel girder steel, shifting board and fixedly clamp described a plurality of rolling bar between plate washer, the jackscrew of holding device is supported described shifting board.
Welding a plurality of horizontal steel bars in interval on shifting board, rolling bar is placed on horizontal steel bar.
Rolling bar spacing 75mm.
The above automatic-ascending formula arch quarrel structure, described holding device is the support frame being welded between column flange plate, by plurality of steel plates, be welded, the front end of framework has a block plate parallel with column flange plate, all the other steel plates are vertical with flange plate, the two-sided full weld of framework and column flange plate and web contact site.
On the holding device steel plate parallel with the flange plate of column, have a plurality of circular holes, circular hole outer surface welded nut, a plurality of jackscrews of holding device hold out against shifting board through circular hole and nut from horizontal direction.
Jackscrew is established three groups that are arranged above and below.
Adopt the automatic-ascending formula arch quarrel structure of above design can make melting furnaces cold conditions build by laying bricks or stones while installing, between regenerator body of wall and top arch arch quarrel brick, do not stay and establish expansion joint (E.J.), in heating-up furnace, arch quarrel brick synchronously rises with body of wall.Building by laying bricks or stones, heating-up furnace and produce in all without again this position being processed, solved construct bad operation and the bad problem of plugging effect.
When melting furnaces are constructed, between regenerator body of wall and top arch arch quarrel brick, do not stay and establish expansion joint (E.J.), between arch quarrel girder steel and regenerator column, by pull bar, rolling bar, shifting board and jackscrew device, fix.During heating-up furnace, with slowly upwards expanding of regenerator body of wall, arch quarrel brick is under the effect of body of wall, start rising, drive the arch quarrel girder steel in outside to rise, rolling bar is produced and roll and slide, under the effect of rolling bar, arch quarrel girder steel overcomes less resistance, just synchronize and rise with arch quarrel brick, top arch also synchronously rises with arch quarrel brick, between body of wall and arch quarrel brick, still combines closely, there will not be space, reached this position without the effect of processing again.Therefore, the beneficial effects of the utility model are, without post-processed, and simple in structure between regenerator body of wall and top arch arch quarrel brick, are convenient to safeguard, save cost.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is that formation of the present utility model and installation site forward are observed schematic diagram
Fig. 2 is that the utility model horizontal direction is observed main composition schematic diagram
In figure: 1, jackscrew device; 2, regenerator column; 3, shifting board; 4, rolling bar; 5, arch quarrel girder steel; 6, regenerator body of wall; 7, arch quarrel brick; 8, top arch; 9, pull bar; 10, bearing; 11, pull-rod nut.
Embodiment
The automatic-ascending formula arch quarrel structure of glass melter regenerator provided by the utility model, be for melting furnaces cold conditions, to build by laying bricks or stones between regenerator body of wall and top arch arch quarrel brick, not stay while installing to establish the supporting design that the construction of expansion joint (E.J.) is made, it improves in existing arch quarrel structure.
Existing arch quarrel structure in current glass melter, be positioned at regenerator body of wall top, coordinate top arch and arch quarrel brick to be provided with arch quarrel girder steel, and by being fixed on the jackscrew of jackscrew device on regenerator column, hold out against the fixation steel plate of arch quarrel girder steel, realize arch quarrel girder steel, the arch quarrel brick a certain position that be fixed on regenerator column relative to top arch, in heating-up furnace process, by regulating the jackscrew of jackscrew device, solve top arch and the expansion of (laterally) laterally of arch quarrel brick, in short transverse, owing to leaving expansion joint (E.J.) between arch quarrel brick and body of wall, its top arch and arch quarrel brick, arch quarrel girder steel all basic non-displacement moves.
Automatic-ascending formula arch quarrel structure of the present utility model, aim at and between arch quarrel brick and body of wall, do not stay expansion joint (E.J.) and design, it forms referring to shown in Fig. 1 (facing) and Fig. 2 (overlooking), comprises jackscrew device 1, regenerator column 2, shifting board 3, rolling bar 4, arch quarrel girder steel 5, bearing 10, pull bar 9 and pull-rod nut 11.Wherein:
Grooved arch quarrel girder steel 5 retains original form and function, arch quarrel girder steel 5 from the inside to the outside (left for interior in Fig. 1) is provided with channel-section steel, joist steel and fixed dam successively, fixed dam is parallel with the flange plate of regenerator column 2, and each integral part welds together and forms arch quarrel girder steel 5 according to definite shape, position; Arch quarrel brick 7 parts are embedded in the groove of arch quarrel girder steel 5 and its back is close to arch quarrel girder steel 5.
Top at arch quarrel girder steel 5 is equipped with the erecting by overhang being comprised of bearing 10, pull bar 9 and pull-rod nut 11.Bearing 10 is fixed on the position that regenerator column 2 is positioned at arch quarrel girder steel 5 tops, on the upper horizontal steel plate of bearing 10, has two elongated openings; Pull bar 9 is the twice hanging rod structure in the tip position setting of arch quarrel girder steel 5 limit portions, by bearing pin and arch quarrel girder steel 5 tops, is connected, and junction bearing pin length is about 3 times of suspension rod diameter, can realize arch quarrel girder steel 5 with respect to suspension rod a small amount of displacement longitudinally; Pull bar 9 is upward through the opening of bearing 10, and there is the screw thread of certain length pull bar 9 upper ends, on the upper surface of 10, pad and suspension rod nut 11 is installed, and this nut is setting nut, and tightening nut can regulate the height of arch quarrel girder steel 5.The erecting by overhang that so assembling obtains is for the arch quarrel girder steel 5 of slinging.
With the parallel contraposition of the fixed dam position of arch quarrel girder steel 5, a shifting board 3 is being set in addition, welding a plurality of horizontal steel bars in interval on shifting board 3, on horizontal steel bar between fixed dam and shifting board 3, settle a plurality of rolling bars 4, for example can settle five groups of rolling bars 4, rolling bar 4 spacing 75mm, the horizontal steel bar on shifting board 3 is used for preventing rolling bar 4 landings.By above assembling, obtain gearshift, be characterized in making to form rolling between arch quarrel girder steel 5 and regenerator column 2 mobile, moving resistance is little.
Holding device 1 is fixedly mounted on regenerator column 2 and 5 pairs of bit positions of arch quarrel girder steel, holding device 1 is for being welded on the support frame between column 2 flange plates, by plurality of steel plates, be welded, the front end of framework has a block plate parallel with column 2 flange plates, all the other steel plates are vertical with flange plate, framework and the two-sided full weld of column 2 flange plates and web contact site, on holding device 1 steel plate parallel with the flange plate of column, have a plurality of circular holes, circular hole outer surface welded nut, a plurality of jackscrews of holding device 1 (Fig. 1 is shown as 3 groups that are arranged above and below) hold out against shifting board 3 through circular hole and nut horizontal direction respectively, by rolling bar 4 and the fixed dam of arch quarrel girder steel 5, be combined into one, thereby hold out against arch quarrel brick 7 and connected top arch 8 in the groove that is partly embedded in arch quarrel girder steel 5, degree of tightness jackscrew can regulate the front and back position of this arch quarrel girder steel 5.
Utilize the utility model can complete by following process construction, heating-up furnace and the production of glass melter regenerator:
1, with reference to Fig. 1 and construction requirement by each part installation.After regenerator body of wall 6 has been built by laying bricks or stones, demarcate body of wall end face absolute altitude, require body of wall end face absolute altitude limit of error within ± 2mm, then according to size, require welding rod bearing 10 on regenerator column 2, by pull bar 9, the arch girder steel 5 that is cut is simply in place, adjust behind the accurate location of arch pin girder steel 5, by arch be cut girder steel 5 and 2 welding of regenerator column, temporary fixed with angle steel or steel bar.Again by rolling bar 4 and shifting board 3 according to design requirements installation in position, shifting board 3 is carried out temporary fixed, regulate the jackscrew of holding device 1 to hold out against shifting board 3, make rolling bar 4 and the unlikely landing of shifting board 3.
2, on regenerator body of wall 6, build arch quarrel brick 7 by laying bricks or stones, arch quarrel brick 7 is combined closely with body of wall 6, does not stay dilatation joint.Then along arch quarrel brick 7, build regenerator top arch 8 by laying bricks or stones, during this period, guarantee that arch quarrel girder steel 5 is temporary fixed firm.After top arch 8 has been built by laying bricks or stones, tighten the jackscrew of holding device 1, make the rolling bar 4 between shifting board 3 and the fixed dam of arch quarrel girder steel 5 completely stressed, then by the temporary fixed removal of shifting board 3 and arch quarrel girder steel 5, utilize jackscrew device 1 to complete the operation that tightens of top arch 8.
3, in heating-up furnace process, (continue 10-20 days), rising with heating-up furnace temperature, according to processing requirement, suitably unclamp the jackscrew (make between jackscrew and shifting board remain the state holding out against) of holding device 1, keep (in Fig. 1 for the to the right) expansion laterally slowly of top arch 8 and arch quarrel brick 7, regenerator body of wall 6 starts slowly upwards to expand simultaneously, arch quarrel brick 7 is also with body of wall 6 risings, drive the arch quarrel girder steel 5 in outside to rise, rolling bar 4 is produced to roll and slides, under the effect of rolling bar 4, arch quarrel girder steel 5 overcomes less resistance, just synchronize rising with arch quarrel brick 7, after regenerator body of wall 6 has expanded, pull bar 9 and pull-rod nut 11 are adjusted to the right place, after top arch 8 and arch quarrel brick 7 has expanded laterally, the jackscrew of holding device 1 is suitably fastening.
4, so far, the installation in automatic-ascending formula arch quarrel structure construction procedure of the present utility model and the variation of each parts in heating-up furnace process, all complete.In glass production, this arch quarrel structure remains in glass melter regenerator, can be according to the actual condition of melting furnaces, and the suitable jackscrew of adjusting yoke nut 11 and holding device 1, makes the arch quarrel girder steel 5 can be from the fixing arch brick 7 that is cut of both direction.
Claims (10)
1. the automatic-ascending formula arch of glass melter regenerator quarrel structure, be positioned at regenerator body of wall top, comprise regenerator column, be fixed on holding device on regenerator column and with the arch quarrel girder steel of this holding device horizontal alignment, it is characterized in that: be also provided with the erecting by overhang that is fixedly mounted on arch quarrel girder steel top.
2. automatic-ascending formula arch according to claim 1 quarrel structure, it is characterized in that: described erecting by overhang is comprised of bearing, pull bar and pull-rod nut, bearing is fixed on regenerator column and is positioned at the position of arch quarrel girder steel top, on the upper horizontal steel plate of bearing, have two elongated openings, two pull bar lower ends are fixed on arch quarrel girder steel top, be upward through two elongated openings of bearing, pull bar upper end is provided with one section of screw thread, with pull-rod nut, fixes.
3. automatic-ascending formula arch quarrel structure according to claim 2, is characterized in that: pull bar is connected with arch quarrel girder steel top by bearing pin, and junction bearing pin length is 3 times of suspension rod diameter.
4. automatic-ascending formula arch quarrel structure according to claim 3, is characterized in that: at described pull bar, pass the horizontal steel plate part of bearing, then pad and nut are installed, described nut is setting nut.
5. according to the automatic-ascending formula arch quarrel structure described in claim 1 or 2 or 3 or 4, it is characterized in that: be also provided with gearshift, described gearshift comprises a shifting board and a plurality of rolling bar, shifting board is arranged on fixedly between plate washer and contraposition parallel with fixed dam of holding device and arch quarrel girder steel, shifting board and fixedly clamp described a plurality of rolling bar between plate washer, the jackscrew of holding device is supported described shifting board.
6. automatic-ascending formula arch quarrel structure according to claim 5, is characterized in that: welding a plurality of horizontal steel bars in interval on shifting board, rolling bar is placed on horizontal steel bar.
7. automatic-ascending formula arch quarrel structure according to claim 6, is characterized in that: rolling bar spacing 75mm.
8. automatic-ascending formula arch quarrel structure according to claim 5, it is characterized in that: described holding device is the support frame being welded between column flange plate, by plurality of steel plates, be welded, the front end of framework has a block plate parallel with column flange plate, all the other steel plates are vertical with flange plate, the two-sided full weld of framework and column flange plate and web contact site.
9. automatic-ascending formula arch quarrel structure according to claim 8, it is characterized in that: on the holding device steel plate parallel with the flange plate of column, have a plurality of circular holes, circular hole outer surface welded nut, a plurality of jackscrews of holding device hold out against shifting board through circular hole and nut from horizontal direction.
10. automatic-ascending formula arch quarrel structure according to claim 9, is characterized in that: jackscrew is established three groups that are arranged above and below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420169617.1U CN203782013U (en) | 2014-04-09 | 2014-04-09 | Automatic rising type springer structure for regenerative chamber of glass smelting kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420169617.1U CN203782013U (en) | 2014-04-09 | 2014-04-09 | Automatic rising type springer structure for regenerative chamber of glass smelting kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203782013U true CN203782013U (en) | 2014-08-20 |
Family
ID=51318219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420169617.1U Expired - Lifetime CN203782013U (en) | 2014-04-09 | 2014-04-09 | Automatic rising type springer structure for regenerative chamber of glass smelting kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203782013U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109734288A (en) * | 2019-03-06 | 2019-05-10 | 中国建材国际工程集团有限公司 | A kind of port arch slack adjuster in glass melter |
| CN109748483A (en) * | 2019-02-26 | 2019-05-14 | 郑州旭飞光电科技有限公司 | Glass furnace and its steel construction |
| CN112897853A (en) * | 2021-02-02 | 2021-06-04 | 河北光兴半导体技术有限公司 | Kiln fixed knot constructs and kiln |
| CN112897854A (en) * | 2021-02-02 | 2021-06-04 | 河北光兴半导体技术有限公司 | Kiln fixed knot constructs and kiln |
-
2014
- 2014-04-09 CN CN201420169617.1U patent/CN203782013U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109748483A (en) * | 2019-02-26 | 2019-05-14 | 郑州旭飞光电科技有限公司 | Glass furnace and its steel construction |
| CN109748483B (en) * | 2019-02-26 | 2021-07-23 | 郑州旭飞光电科技有限公司 | Glass kiln and steel structure thereof |
| CN109734288A (en) * | 2019-03-06 | 2019-05-10 | 中国建材国际工程集团有限公司 | A kind of port arch slack adjuster in glass melter |
| CN109734288B (en) * | 2019-03-06 | 2021-12-28 | 中国建材国际工程集团有限公司 | Small crown tightness degree adjusting device in glass melting furnace |
| CN112897853A (en) * | 2021-02-02 | 2021-06-04 | 河北光兴半导体技术有限公司 | Kiln fixed knot constructs and kiln |
| CN112897854A (en) * | 2021-02-02 | 2021-06-04 | 河北光兴半导体技术有限公司 | Kiln fixed knot constructs and kiln |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Hebei Street West Harbor area, 066004 Hebei city of Qinhuangdao province No. 91 Patentee after: QINHUANGDAO GLASS INDUSTRY RESEARCH AND DESIGN INSTITUTE Co.,Ltd. Address before: No. 91, west section of Hebei Avenue, seaport area, Qinhuangdao, Hebei Patentee before: QINHUANGDAO GLASS INDUSTRY RESEARCH AND DESIGN INSTITUTE |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |