CN204474526U - A kind of sulfur dioxide recovery utilizes device - Google Patents
A kind of sulfur dioxide recovery utilizes device Download PDFInfo
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- CN204474526U CN204474526U CN201520138332.6U CN201520138332U CN204474526U CN 204474526 U CN204474526 U CN 204474526U CN 201520138332 U CN201520138332 U CN 201520138332U CN 204474526 U CN204474526 U CN 204474526U
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- transition roller
- withdrawer
- roller table
- annealing furnace
- sulfur dioxide
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Abstract
A kind of sulfur dioxide recovery utilizes device, comprises, withdrawer, to be communicated with, sulfurous gas excessive in reception transition roller table between transition roller table with annealing furnace with transition roller table; Conduction pipe, is symmetricly set in annealing furnace both sides along annealing furnace width, and its import is communicated with withdrawer top, and exit end is provided with drainage system, and drainage system opposite side connects an ingress pipe, and sulfurous gas is imported annealing furnace by the introducing port bottom annealing furnace; Some upflow tubes, the axis along transition roller or lehr rollers is arranged at the top of withdrawer in turn, and bottom is communicated with withdrawer and arranges, and top is connected with overflow gathering apparatus.Sufficient recycling is carried out to sulfurous gas excessive in transition roller table, has improve the utilization ratio of sulfurous gas; A small amount of sulfurous gas after amount enters overflow gathering apparatus, and unification processes, and avoids excessive sulfurous gas and causes environmental pollution and cause corrosion to equipment, extend the work-ing life of equipment, reduce maintenance cost.
Description
Technical field
The utility model belongs to float glass technical field, relates in particular to a kind of recycle device of sulfur dioxide gas.
Background technology
Float glass is the advanced flat glass adopting floating process to produce, this kind of glass Pingdu is good, there is no water ripples, tool has been widely used and wide market outlook, is mainly used in the fields such as top-grade building, solar energy photoelectric curtain wall field and high-grade glass furniture, ornamental glass, imitative crystal product, precise electronic industry, extraordinary building.The moulding process of float glass is specially: through dissolving, clarify and being cooled to the glass metal of about 1100 DEG C, flow on the molten tin liquid level in molten tin bath, under self gravitation and capillary effect, glass metal carries out spreading out, polishing, uniform decrease in temperature, carry out drawing thin or long-pending thick formation to have certain thickness glass ribbon under the effect of edge machine, glass ribbon passes through transition roller table after cooling to about 600 DEG C, go out molten tin bath enter annealing furnace annealing after, obtain shaping float glass.
In float glass, usually can be stained with because of the roller surfaces at transition roller table and annealing furnace place and be covered with the abnormal conditions such as foreign matter or surface irregularity and cause ribbon surfaces to occur scratch or leave impression at glass surface, for this reason, floatation glass production line adopts sulfur dioxide gas to form layer protecting film at the roller surfaces at transition roller table and annealing furnace place usually, be scratched to prevent ribbon surfaces or weigh wounded, unnecessary sulfur dioxide gas cognition spills in production plant, the sulfurous gas with volatility and irritating smell destroys the environment of production plant on the one hand, corrosion is caused to production unit, the any excess sulfur dioxide be directly expelled in production environment also add production cost on the other hand.
For solving the problems of the technologies described above, Chinese patent literature CN102092921B discloses a kind of manufacture method and manufacturing installation of float glass, it comprises shaping in float bath and be carried to the operation of leer in lifting parts from the glass ribbon of float bath pull-up, leer upstream portion is provided with nozzle, the lower surface supply sulfur dioxide gas of the glass ribbon carried is carried out in leer, at the downstream area of nozzle location, namely the middle reaches portion of leer or downstream portion arrange exhaust chest, attract the sulfur dioxide gas in leer, form the air-flow of sulfur dioxide gas along the carrying direction of glass ribbon around glass ribbon, and this air-flow is guided to exhaust chest, remaining sulfur dioxide gas is expelled to outdoor, this device can form protective membrane at the lower surface of glass ribbon, prevent ribbon surfaces from producing flaw, and the degree that sulfur dioxide gas is spilled over to workshop can be alleviated, contribute to improving workshop condition, but in said apparatus, only in leer, pass into sulfur dioxide gas, protection cannot be formed to the glass ribbon on transition roller surface in transition roller table, and set up retrieving arrangement at annealing furnace end, a large amount of sulfurous gas residence time in annealing furnace is longer, easily corrosion is caused to component such as the rollers in annealing furnace, decrease the work-ing life of equipment, add maintenance cost.
And if select to pass into SO to transition roller table
2, owing to there is no retrieving arrangement, a large amount of SO
2escape destroy the environment of production plant, corrosion is caused to production unit, adds production cost.Consider to set up retrieving arrangement at transition roller table, about transition roller table length is about 1-2 rice, length, much smaller than annealing furnace, sets up retrieving arrangement of bleeding, to SO in so short scope
2the impact of air-flow is larger.
Utility model content
The purpose of this utility model is that providing a kind of can reclaim unnecessary SO
2gas does not affect again SO under transition roller table
2a kind of sulfur dioxide recovery of efficiency utilization utilize device.
Sulfur dioxide recovery of the present utility model utilizes device for this reason, comprises,
Withdrawer, described withdrawer is arranged to be communicated with between transition roller table with annealing furnace and with described transition roller table and arranges, and receives sulfurous gas excessive in transition roller table;
Conduction pipe, width along described annealing furnace is symmetricly set in the both sides of described annealing furnace, its gas feed is connected with described withdrawer top, its gas outlet end is provided with drainage system, described drainage system opposite side connects an ingress pipe, and sulfur dioxide gas imports in annealing furnace by the introducing port be arranged at bottom annealing furnace by described ingress pipe;
Some upflow tubes, be arranged at the top of described withdrawer in turn along the axis of lehr rollers in transition roller in described transition roller table or annealing furnace, be communicated with described withdrawer bottom described upflow tube and arrange, described upflow tube top is connected with overflow gathering apparatus.
Described withdrawer is provided with gas feed, and described transition roller table is provided with pneumatic outlet, and the pneumatic outlet of described transition roller table is connected with the gas feed of described withdrawer, thus described withdrawer is communicated with described transition roller table and arranges.
Described transition roller table comprises top cover body and lower case, and it is inner that described transition roller is positioned at described lower case; The pneumatic outlet of described transition roller table is arranged at the top cover body of the transition roller table side relative with described annealing furnace with lower case.
Further, described upflow tube is also provided with surplus valve.
Also comprise steel structure support, described steel structure support top is connected to described upflow tube, and bottom is connected to described top cover body.
Described conduction pipe is L-type pipe.
Described conduction pipe and described withdrawer, described ingress pipe and described introducing port, described upflow tube and between described withdrawer and described overflow gathering apparatus by weld or the mode of screwed connection is fixedly connected with.
Described drainage system is induced draft fan or inducer.
Described overflow gathering apparatus is the quadrangular frustum pyramid shaped collecting hood expanded gradually from top to bottom, and its top is connected with blower fan.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) sulfur dioxide recovery described in the utility model utilizes device, comprises, withdrawer, and it is arranged to be communicated with between transition roller table with annealing furnace and with transition roller table and arranges, and receives sulfurous gas excessive in transition roller table, conduction pipe, width along annealing furnace is symmetricly set in the both sides of annealing furnace, its gas feed is connected with withdrawer top, its gas outlet end is provided with drainage system, drainage system opposite side connects an ingress pipe, and sulfur dioxide gas imports in annealing furnace by the introducing port be arranged at bottom annealing furnace by described ingress pipe, some upflow tubes, be arranged at the top of described withdrawer in turn along the axis of lehr rollers in transition roller in transition roller table or annealing furnace, be communicated with withdrawer bottom it and arrange, top is connected with overflow gathering apparatus, the application forms closed withdrawer between transition roller table and annealing furnace, make full use of the gap of filtering between roller conjunction with annealing furnace, by along the both ends of the surface in described annealing furnace width aspect, end face and bottom surface are closed, form the withdrawer of the application, and under the effect of drainage system, make a part wherein enter annealing furnace by conduction pipe and ingress pipe by introducing port, the effect that protective glass is not scratched or weighs wounded is played at annealing furnace roller tables place, sufficient recovery and reuse have been carried out to the sulfurous gas that transition roller table place is excessive, improve the utilization ratio of sulfurous gas, and to lehr rollers supply SO
2produce stable protective layer, the any excess sulfur dioxide simultaneously entering annealing furnace reduces relatively, substantially all can be used for forming protective membrane, the remaining sulfurous gas of trace returns withdrawer by ingress pipe through conduction pipe, be spilled over to overflow gathering apparatus unification by upflow tube again to process, avoid corrosive gases and damage is caused to equipment such as the rollers in annealing furnace, extend the work-ing life of equipment, reduce further production cost.
(2) sulfur dioxide recovery described in the utility model utilizes device, described upflow tube is also provided with surplus valve, can controlling water kick amount, according to the size of the number adjustment spillway discharge of the amount of sulfurous gas in withdrawer, make full use of sulfurous gas, reduce the amount of directly process.
(3) sulfur dioxide recovery described in the utility model utilizes device, also comprise steel structure support, its top is connected to upflow tube, and bottom is connected to top cover body, can simultaneously fixed weir pipe and top cover body, keep sulfur dioxide recovery to utilize the stability of device.
(4) sulfur dioxide recovery described in the utility model utilizes device, described overflow gathering apparatus is the quadrangular frustum pyramid shaped collecting hood expanded gradually from top to bottom, its top is provided with blower fan, described induced draft fan can provide to the sulfurous gas in withdrawer the power moved to described overflow gathering apparatus on the one hand further, sulfurous gas in overflow gathering apparatus can be caused outdoor on the other hand, carry out subsequent disposal.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the structural representation that sulfur dioxide recovery described in embodiment 1 utilizes device;
Fig. 2 is the structural representation that sulfur dioxide recovery described in embodiment 1 utilizes the disposable embodiment of device;
Fig. 3 is the structural representation that sulfur dioxide recovery described in embodiment 2 utilizes device;
Fig. 4 is the side-view of Fig. 1, Fig. 2 or Fig. 3.
In figure, Reference numeral is expressed as: 1-withdrawer; 2-annealing furnace; 3-conduction pipe; 4-ingress pipe; 5-introducing port; 6-upflow tube; 7-transition roller; 8-lehr rollers; 9-overflow gathering apparatus; 10-surplus valve; 11-top cover body; 12-lower case; 13-steel structure support; 14-induced draft fan; 15-inducer; 16-blower fan.
Embodiment
Embodiment 1
The present embodiment provides a kind of sulfur dioxide recovery to utilize device, as shown in Figure 1 and Figure 4, it comprises, withdrawer 1, it is arranged between transition roller table and annealing furnace 2, and described withdrawer 1 is provided with gas feed, described transition roller table is provided with pneumatic outlet, the pneumatic outlet of described transition roller table is connected with the gas feed of described withdrawer 1, thus described withdrawer 1 is communicated with described transition roller table and arranges, to receive sulfurous gas excessive in transition roller table; Wherein, described transition roller table comprises top cover body 11 and lower case 12, and the pneumatic outlet of transition roller table and the gas feed of withdrawer are arranged at top cover body 11 side relative with described annealing furnace 2 with lower case 12;
As shown in Figure 2, as the disposable embodiment of one, the pneumatic outlet of described transition roller table and the gas feed of withdrawer can also be arranged at transition roller table lower case 12 side relative with described annealing furnace 2.
Sulfur dioxide recovery described in the present embodiment utilizes device also to comprise conduction pipe 3, it is L-type pipe, width along annealing furnace 2 is symmetricly set in the both sides of described annealing furnace 2, its gas feed is welded in described withdrawer 1 top, and be connected with withdrawer 1, its gas outlet end is provided with drainage system, drainage system described in the present embodiment is preferably induced draft fan 14, the opposite side of induced draft fan 14 connects an ingress pipe 4, described ingress pipe 4 is welded in introducing port 5 place be positioned at bottom annealing furnace 2, for being imported by sulfur dioxide gas in annealing furnace 2;
In the present embodiment, described induced draft fan 4 is W4-73 type high-temperature blower, as disposable embodiment, also can adopt C4-73 type, C6-48 type blower fan etc., as long as can play the effect guided to by the sulfur dioxide gas in withdrawer 1 in annealing furnace 2.
Also comprise some upflow tubes 6, axis along transition roller 7 or lehr rollers 8 is arranged at the top of withdrawer 1 in turn, wherein, it is inner that transition roller 7 is positioned at described lower case 12, upflow tube 6 bottom welding is communicated with in withdrawer 1 top and with described withdrawer 1 and arranges, upflow tube 6 top is also welded in overflow gathering apparatus 9, described overflow gathering apparatus 9 is the quadrangular frustum pyramid shaped collecting hood expanded gradually from top to bottom, its top is provided with blower fan 16, certainly, described overflow gathering apparatus 9 also can be set to other shape according to the size in space, workshop, as long as play the effect of collecting sulfur dioxide gas, the quantity of upflow tube 6 described in the present embodiment is 8, and the quantity of upflow tube 6 can be arranged as required in other embodiments, as long as sulfur dioxide gas can be exported to described overflow gathering apparatus 9.
In the present embodiment, withdrawer 1 is easy to install, and play protective glass at annealing furnace 2 place and be not annealed the effect that roller 8 scratches or weigh wounded, sufficient recovery and reuse have been carried out to sulfurous gas excessive in transition roller table, avoid sulfurous gas excessive in transition roller table and be directly disposed to production plant, cause environmental pollution and injury is produced to operator's health, and improve the utilization ratio of sulfurous gas, without the need to feeding sulfurous gas respectively to transition roller table and annealing furnace, reduce production cost; Simultaneously because the sulfurous gas entering annealing furnace 2 is the gas reclaimed from transition roller table; its amount is less; substantially all can be used for forming protective membrane and avoiding corrosive gases causing damage to equipment such as lehr rollers 8 grade, extend the work-ing life of equipment, reduce further production cost.
Upflow tube 6 is also provided with the surplus valve 10 for regulating spillway discharge, described surplus valve 10 can control the spillway discharge of sulfurous gas, according to the size of the number adjustment spillway discharge of the amount of sulfurous gas in withdrawer 1, can make full use of sulfurous gas, decrease the amount of directly process, provide cost savings.
Further, also comprise steel structure support 13, its top is connected to upflow tube 6, and bottom is connected to top cover body 11, can simultaneously fixed weir pipe 6 and top cover body 11, keeps sulfur dioxide recovery to utilize the stability of device.
The sulfur dioxide recovery that the present embodiment provides utilizes the working process of device to be: the sulfurous gas shielding gas in transition roller table enters in withdrawer 1, under the effect of the induced draft fan 14 be arranged at bottom conduction pipe 3, import in annealing furnace 2 through ingress pipe 4 by the introducing port 5 be arranged at bottom annealing furnace 2 by sulfurous gas, sulfurous gas also plays the effect of protective membrane in annealing operation; Sulfurous gas excessive is on a small quantity spilled over to overflow gathering apparatus 9 by upflow tube 6, under the effect of blower fan 16, then cause outdoor unified process, and by the opening degree controlling water kick amount of regulation relief valve 10.
Embodiment 2
The present embodiment provides a kind of sulfur dioxide recovery to utilize device, as shown in Figure 3 and Figure 4, it comprises, withdrawer 1, it is arranged between transition roller table and annealing furnace 2, and described withdrawer 1 is provided with gas feed, described transition roller table is provided with pneumatic outlet, the pneumatic outlet of described transition roller table is connected with the gas feed of described withdrawer 1, thus described withdrawer 1 is communicated with described transition roller table and arranges, to receive sulfurous gas excessive in transition roller table; Wherein, described transition roller table comprises top cover body 11 and lower case 12, and the pneumatic outlet of transition roller table and the gas feed of withdrawer are arranged at top cover body 11 side relative with described annealing furnace 2 with lower case 12;
Also comprise conduction pipe 3, it is L-type pipe, width along annealing furnace 2 is symmetricly set in the both sides of described annealing furnace 2, its gas inlet end is provided with outside screw, the internal thread screwed connection arranged with described withdrawer 1 top, and be connected with withdrawer 1, its pneumatic outlet side is provided with drainage system, drainage system described in the present embodiment is inducer 15, for will the sulfur dioxide gas exit end of conduction pipe 3 be entered, prevent gas not smooth in the circulation of the turning of L-type pipeline, form eddy current; Opposite side screwed connection one ingress pipe 4 of described conduction pipe 3, described ingress pipe 4 the other end is provided with outside screw, and the internal thread screwed connection with introducing port 5 place bottom described annealing furnace 2, imports in annealing furnace 2 by sulfur dioxide gas,
Also comprise some upflow tubes 6, axis along transition roller 7 or lehr rollers 8 is arranged at the top of withdrawer 1 in turn, wherein, it is inner that transition roller 7 is positioned at described lower case 12, upflow tube 6 bottom welding is communicated with in withdrawer 1 top and with described withdrawer 1 and arranges, upflow tube 6 top screwed connection is in overflow gathering apparatus 9, described overflow gathering apparatus 9 is the quadrangular frustum pyramid shaped collecting hood expanded gradually from top to bottom, its top is provided with blower fan 16, certainly, described overflow gathering apparatus 9 also can be set to other shape according to the size in space, workshop, as long as play the effect of collecting sulfur dioxide gas, the quantity of upflow tube 6 described in the present embodiment is 8, and the quantity of upflow tube 6 can be arranged as required in other embodiments, as long as sulfur dioxide gas can be exported to described overflow gathering apparatus 9.
In the present embodiment, withdrawer 1 is easy to install, and play protective glass at annealing furnace 2 place and be not annealed the effect that roller 8 scratches or weigh wounded, sufficient recovery and reuse have been carried out to sulfurous gas excessive in transition roller table, avoid sulfurous gas excessive in transition roller table and be directly disposed to production plant, cause environmental pollution and injury is produced to operator's health, and improve the utilization ratio of sulfurous gas, without the need to feeding sulfurous gas respectively to transition roller table and annealing furnace, reduce production cost; Simultaneously because the sulfurous gas entering annealing furnace 2 is the gas reclaimed from transition roller table; its amount is less; substantially all can be used for forming protective membrane and avoiding corrosive gases causing damage to equipment such as lehr rollers 8 grade, extend the work-ing life of equipment, reduce further production cost.
Upflow tube 6 is also provided with the surplus valve 10 for regulating spillway discharge, described surplus valve 10 can control the spillway discharge of sulfurous gas, according to the size of the number adjustment spillway discharge of the amount of sulfurous gas in withdrawer 1, can make full use of sulfurous gas, decrease the amount of directly process, provide cost savings.
Further, also comprise steel structure support 13, its top is connected to upflow tube 6, and bottom is connected to top cover body 11, can simultaneously fixed weir pipe 6 and top cover body 11, keeps sulfur dioxide recovery to utilize the stability of device.
The sulfur dioxide recovery that the present embodiment provides utilizes the working process of device to be: the sulfurous gas shielding gas in transition roller table enters in withdrawer 1, under the guide functions of the inducer 15 be arranged at bottom conduction pipe 3, import in annealing furnace 2 through ingress pipe 4 by the introducing port 5 be arranged at bottom annealing furnace 2 by sulfurous gas, sulfurous gas also plays the effect of protective membrane in annealing operation; Sulfurous gas excessive is on a small quantity spilled over to overflow gathering apparatus 9 by upflow tube 6, under the effect of blower fan 16, then cause outdoor unified process, and by the opening degree controlling water kick amount of regulation relief valve 10.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain that the utility model creates.
Claims (9)
1. sulfur dioxide recovery utilizes a device, it is characterized in that, comprises,
Withdrawer (1), described withdrawer (1) is arranged to be communicated with between transition roller table with annealing furnace (2) and with described transition roller table and arranges, and receives sulfurous gas excessive in transition roller table;
Conduction pipe (3), width along described annealing furnace (2) is symmetricly set in the both sides of described annealing furnace (2), its gas feed is connected with described withdrawer (1) top, its gas outlet end is provided with drainage system, described drainage system opposite side connects an ingress pipe (4), and sulfur dioxide gas imports in annealing furnace (2) by the introducing port (5) being arranged at annealing furnace (2) bottom by described ingress pipe (4);
Some upflow tubes (6), axis along transition roller (7) or lehr rollers (8) is arranged at the top of described withdrawer (1) in turn, be communicated with described withdrawer (1) bottom described upflow tube (6) and arrange, described upflow tube (6) top is connected with overflow gathering apparatus (9).
2. sulfur dioxide recovery according to claim 1 utilizes device, it is characterized in that, described withdrawer (1) is provided with gas feed, described transition roller table is provided with pneumatic outlet, the pneumatic outlet of described transition roller table is connected with the gas feed of described withdrawer (1), thus described withdrawer (1) is communicated with described transition roller table and arranges.
3. sulfur dioxide recovery according to claim 2 utilizes device, it is characterized in that, described transition roller table comprises top cover body (11) and lower case (12), and it is inner that described transition roller (7) is positioned at described lower case (12); The pneumatic outlet of described transition roller table is arranged at the top cover body (11) of the transition roller table side relative with described annealing furnace (2) with lower case (12).
4. the sulfur dioxide recovery according to any one of claim 1-3 utilizes device, it is characterized in that, described upflow tube (6) is also provided with surplus valve (10).
5. sulfur dioxide recovery according to claim 4 utilizes device, it is characterized in that, also comprise steel structure support (13), described steel structure support (13) top is connected to described upflow tube (6), and bottom is connected to described top cover body (11).
6. sulfur dioxide recovery according to claim 5 utilizes device, it is characterized in that, described conduction pipe (3) is L-type pipe.
7. the sulfur dioxide recovery according to claim 5 or 6 utilizes device, it is characterized in that, described conduction pipe (3) and described withdrawer (1), described ingress pipe (4) and described introducing port (5), described upflow tube (6) and between described withdrawer (1) and described overflow gathering apparatus (9) by weld or the mode of screwed connection is fixedly connected with.
8. sulfur dioxide recovery according to claim 7 utilizes device, it is characterized in that, described drainage system is induced draft fan (14) or inducer (15).
9. sulfur dioxide recovery according to claim 8 utilizes device, it is characterized in that, described overflow gathering apparatus (9) is the quadrangular frustum pyramid shaped collecting hood expanded gradually from top to bottom, and its top is connected with blower fan (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520138332.6U CN204474526U (en) | 2015-03-11 | 2015-03-11 | A kind of sulfur dioxide recovery utilizes device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520138332.6U CN204474526U (en) | 2015-03-11 | 2015-03-11 | A kind of sulfur dioxide recovery utilizes device |
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| Publication Number | Publication Date |
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| CN204474526U true CN204474526U (en) | 2015-07-15 |
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| CN201520138332.6U Expired - Fee Related CN204474526U (en) | 2015-03-11 | 2015-03-11 | A kind of sulfur dioxide recovery utilizes device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000799A (en) * | 2015-08-06 | 2015-10-28 | 蚌埠玻璃工业设计研究院 | Plate glass surface protection device |
| CN112354769A (en) * | 2020-11-16 | 2021-02-12 | 中国洛阳浮法玻璃集团有限责任公司 | Device for spraying sulfur dioxide on surface of glass |
-
2015
- 2015-03-11 CN CN201520138332.6U patent/CN204474526U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000799A (en) * | 2015-08-06 | 2015-10-28 | 蚌埠玻璃工业设计研究院 | Plate glass surface protection device |
| CN112354769A (en) * | 2020-11-16 | 2021-02-12 | 中国洛阳浮法玻璃集团有限责任公司 | Device for spraying sulfur dioxide on surface of glass |
| CN112354769B (en) * | 2020-11-16 | 2022-02-11 | 中国洛阳浮法玻璃集团有限责任公司 | Device for spraying sulfur dioxide on surface of glass |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20200311 |
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| CF01 | Termination of patent right due to non-payment of annual fee |