CN201648218U - Cooling device for PDP float glass kiln combustor - Google Patents
Cooling device for PDP float glass kiln combustor Download PDFInfo
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- CN201648218U CN201648218U CN2010201389601U CN201020138960U CN201648218U CN 201648218 U CN201648218 U CN 201648218U CN 2010201389601 U CN2010201389601 U CN 2010201389601U CN 201020138960 U CN201020138960 U CN 201020138960U CN 201648218 U CN201648218 U CN 201648218U
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- spray gun
- cooling
- retaining plate
- float glass
- cooling device
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Abstract
A cooling device for a PDP float glass kiln combustor solves the technical difficult problems that when in a long-term work state and work states of a spray gun need to be switched, a steady and effective cooling effect for the spray gun, a fixed plate and a gun cap is achieved. The technical scheme of the cooling device includes that a combustor is arranged on two sides of the bottom of a kiln and is a spray gun connected with natural gas pipelines; the cooling device structurally comprises a fixed plate provided with an air inlet and an air outlet, and a compressed air pipeline matching with the fixed plate in use; and a spray end of the spray gun is fixed by the fixed plate. The cooling device is characterized in that the compressed air pipeline comprises a cooling air pipeline connected to the tail end of the spray gun and a pool wall cooling air tube connected to the air inlet of the fixing plate; and the cooling air pipeline and the pool wall cooling air tube are connected and disconnected through an electric controller. The cooling device has the advantages of continuously cooling the fixing plate and the spray gun by a modified mode, greatly prolonging service life of the fixing plate and the whole gun stand, and reducing influence on production and working intensity of workers.
Description
Technical field
The utility model relates to a kind of PDP of being used for float glass and makes the field, relates to a kind of cooling structure of PDP float glass furnace burner specifically.
Background technology
PDP float glass furnace burner is one of main means of kiln glass metal.The quality of glass furnace burner operation state can badly influence the dissolving quality of glass.Generally speaking, be respectively arranged with near the port two bottom sides in PDP glass furnace both sides and be used for the natural gas spraying gun of heating glass liquid, 17 of every rows, it mainly comprises: the rifle body, burner in the spray gun, the rifle cap, gun rack and the fixing plate device that is connected rifle body and burner block, the rifle body is connected the burner block place of kiln both sides by gun rack and retaining plate, retaining plate is an empty metal foil casing in, the centre has rifle cap hole, the internal cavities periphery has row's aperture, the rifle cap passes retaining plate and communicates with kiln inside by (the rifle cap of spray gun abut against fixed rifle cap hole place), and the Sweet natural gas (20 ℃ of normal temperature) of spray gun ejection mixes in the port exit with the combustion air (temperature is about more than 1000 ℃) that port comes out and reaches state of combustion.Two row's spray guns intermittent reversing combustion under the control in watch-keeping cubicle, when that is to say wherein side spray gun work, an other side spray gun is in halted state, a side spray gun that stops like this not having passing through of Sweet natural gas, also just lost cooling effect, in the face of 1600 ℃ of high temperature in the kiln, especially in the PDP float glass furnace to spray gun, because temperature whole in the stove will exceed 80 ℃～100 ℃ than common float glass process, burner gun usually is subjected to long thermal radiation and damages.The type of cooling in the past is: pneumatic line is received the inlet mouth of spray gun retaining plate, after flowing in the cavity cooling retaining plate, gas sprays cooling spray gun rifle cap from aperture, and then entering the interior burner that flows into rifle body cooling spray gun in the metallic hose that connects the spray gun tail end by the air outlet, final gas sprays in the stove (as shown in Figure 1).The shortcoming and the deficiency of this mode are: first, when spray gun is in running order, the pressurized air cooling line will be closed, spray gun itself can lean on the mobile normal-temperature natural-gas to replace cold gas to reach the purpose of protection spray gun, and the cooling of retaining plate can not get ensureing, the reversing combustion of both sides spray gun is to transmit signals to master control room by controller to finish on-off control to have the regular hour poor, the pressurized air cooling line can not in time be opened when a side spray gun cuts out, and the rifle cap of retaining plate and spray gun will be subjected to intensive thermal radiation in the stove and be burnt out easily; Second, burner is to come refrigerative by recirculating air in the spray gun, since pressurized air by retaining plate and rifle cap after the blast instability, in being recycled to during the burner place cooling performance very undesirable, add that the circulation line resistance is bigger, required compressed air pressure is higher, is about about 0.2Mpa, the final compressing air is higher by the pressure that the rifle body blows in the stove, is unfavorable for the stable of the interior temperature of stove; The 3rd; kiln has guarantee fuel usually with firing system; to guarantee that kiln can run well when Sweet natural gas breaks down; consider that general conventional guarantee fuel is a heavy oil under the economical and practical condition; and when using the heavy oil spray gun; the pneumatic line of this device will serve as the atomizing medium gas of heavy oil and receive the atomizing gas port of heavy oil spray gun below; so; use guarantee fuel at kiln; when natural gas spraying gun changes the use of heavy oil spray gun into; the cooling of retaining plate will be lost efficacy; do not having fully under the refrigerative situation; retaining plate will soon be burnt out, and that is to say when this device can't guarantee that guarantee fuel uses that to the cooling of retaining plate, this is one of maximum defective of this device.If the cooling performance of spray gun is bad, the spray gun burner damages easily, not only influences the bulk temperature of kiln, destroys the technological balance of producing, but also cost of idleness, changing simultaneously also has bigger difficulty.
Summary of the invention
The purpose of this utility model is in order to solve under the long term operation state and the working order of spray gun reaches when changing the stable and technical barrier of efficient cooling of spray gun and retaining plate and rifle cap, designed the refrigerating unit that is used for PDP float glass furnace burner, change the mode of connection of pneumatic line and burner, realize no matter being, can effectively cool off retaining plate in burner operation state or halted state.
The utility model for realizing the technical scheme that goal of the invention adopts is, the refrigerating unit that is used for PDP float glass furnace burner, burner is arranged on the both sides of kiln bottom, described burner is the spray gun that is connected with natural gas line, comprise retaining plate with inlet mouth and air outlet and supporting pneumatic line in the structure of refrigerating unit, the ejection end of spray gun is located by retaining plate, key improvements is, above-mentioned pneumatic line comprises the cooling air pipeline that is connected the spray gun tail end and is connected the pool wall cooling duct of retaining plate inlet mouth that cooling air pipeline and pool wall cooling duct are realized logical by electric controller, or it is disconnected.
The beneficial effects of the utility model are: the compressed-air actuated mode of connection to the cooling spray gun changes: the pneumatic line that is connected retaining plate inlet mouth place before being about to is directly received the tail end of spray gun, compressed-air actuated pressure is suitably turned down, directly be blown in the stove behind the interior burner of cooling spray gun, guaranteed the stability of interior burner cooling draught; Cooling retaining plate and spray gun rifle cap are then used another pipeline instead, pick out the arm of a DN20 from the pool wall cooling duct of spray gun below, be connected to the inlet mouth place of retaining plate by metallic hose and corresponding valve, be used for continuing cooling retaining plate and spray gun rifle cap, final cold gas directly blows in the stove external environment, has so just guaranteed that the cooling of retaining plate and rifle cap is unaffected when spray gun commutates.
On the other hand, the utility model proposes a kind of new cooling thinking, and optimized cooling performance, prolonged the life cycle of relevant device, it is inhomogeneous and cooling is improper and influence that production technique is produced also to have reduced simultaneously traditional cooling, the type of cooling in the past, because inhomogeneous cooling is even, and cause the local temperature fluctuation bigger, because be mainly fused cast refractories around the spray gun, its resisting temperature fluctuation is relatively poor, cooled off unstable has just increased the risk that fused cast refractories bursts in the past, after mode improved, just greatly reduce the possibility that this accident takes place.Aspect the working order conversion of spray gun, no matter spray gun is in work still stops, and its blower fan is in normally open, always can the spray gun retaining plate and the rifle cap cool off; And the design in the past of common float glass process, when spray gun in when work, the pressurized air cooling line is a closing condition, the cooling of retaining plate can not get ensureing, the commutation of spray gun transmits signals to the watch-keeping cubicle by electric controller and finishes on-off control to have the regular hour poor, the pressurized air cooling line can not in time be opened when spray gun cuts out, the rifle cap of retaining plate and spray gun will be subjected to intensive thermal radiation in the stove and be burnt out easily, keep its cooling has been prolonged the work-ing life of retaining plate and whole gun rack greatly by improved mode always; Little many of the compressed-air actuated relatively pressure of the fan pressure of pool wall cooling duct so reduced the cold blast rate that is blown in the melting furnaces, have reduced its influence to technological temperature in the melting furnaces and refractory materials, have also saved nearly 50% pressurized air consumption simultaneously.
Below in conjunction with accompanying drawing the utility model is elaborated.
Description of drawings
Fig. 1 is the application synoptic diagram of refrigerating unit in the kiln burning device in the prior art.
Fig. 2 is the application synoptic diagram of refrigerating unit of the present utility model in the kiln burning device.
Fig. 3 is the part sectioned view of the improvement embodiment of retaining plate in the utility model.
In the accompanying drawing, 1 represents stove, and the 2nd, natural gas line, the 3rd, spray gun, the 4th, retaining plate, 4-1 are through holes, and 4-2 is the inlet mouth on the retaining plate 4, and 4-3 is the production well that retaining plate 4 inner chambers periphery is provided with, the 5th, cooling air pipeline, the 6th, pool wall cooling duct, the 7th, electric control valve.
Embodiment
Referring to Fig. 2, the refrigerating unit that is used for PDP float glass furnace burner, burner is arranged on the both sides of kiln 1 bottom, described burner is the spray gun 3 that is connected with natural gas line 2, comprise retaining plate 4 with inlet mouth and air outlet and supporting pneumatic line in the structure of refrigerating unit, the ejection end of spray gun 3 is by retaining plate 4 location, above-mentioned pneumatic line comprises cooling air pipeline 5 that is connected spray gun 3 tail ends and the pool wall cooling duct 6 that is connected retaining plate 4 inlet mouth 4-2, and cooling air pipeline 5 and pool wall cooling duct 6 are realized logical by electric controller, or it is disconnected.
Referring to Fig. 3, comprise the through hole 4-1, inlet mouth 4-2 UNICOM retaining plate 4 inner chambers that wore spray gun 3 ejection end in the structure of above-mentioned retaining plate 4, the periphery of inner chamber is provided with the production well 4-3 in the direct UNICOM external world.
Pressurized air air pressure in the above-mentioned cooling air pipeline 5 is set to 0.15-0.2Mpa.If surpass this pressure range, then can the local temperature of melting furnaces inside be impacted, aggravate its thermal shocking of refractory materials on every side.
The caliber of above-mentioned pool wall cooling duct 6 is 200mm, and source of the gas is a gas blower, and air quantity is arranged on 500-700m
3/ h.The cooling source of the gas of retaining plate 4 enough is provided, can also have saved the expense of establishing pipeline and blower fan in addition, carry out independent cooling from the outside to rifle cap, spray gun retaining plate respectively by each bye-pass.
Above-mentioned pool wall cooling duct 6 is provided with independently electric control valve 7.At any time carrying out air quantity according to the temperature conditions of rifle cap, retaining plate 4 regulates; And common float glass process is earlier the spray gun retaining plate to be cooled off with pressurized air by same pipeline series connection banded mode, then the rifle cap is cooled off, and regular meeting causes the two cooling air quantity to distribute uneven problem in the time of like this.
During concrete enforcement, on certain PDP float glass process kiln glass production line of 150 tons/day, with the Sweet natural gas is fuel, the pneumatic line that is connected retaining plate 4 inlet mouth places is before directly received the tail end of spray gun 3, suitably turn down compressed-air actuated pressure about 0.15Mpa, directly be blown in the stove behind the interior burner of cooling spray gun, guaranteed the stability of interior burner cooling draught; Retaining plate 4 and rifle cap are then used another pipeline instead, pick out the arm of a DN20 from the pool wall cooling duct 6 of spray gun 3 belows, be connected to the inlet mouth place of retaining plate by metallic hose and corresponding valve, be used for continuing cooling retaining plate 4 and rifle cap, final cold gas directly blows in the stove external environment, has so just guaranteed that the cooling of retaining plate and rifle cap is unaffected when spray gun commutates.The rifle cap of spray gun approximately all will once be changed in per 3 months, and the life cycle of retaining plate also has only 8 months, and nozzle all has situation about bursting to occur every year; It is by after scrutinizing analysis, the type of cooling to the interior burner of spray gun, rifle cap, retaining plate 4 is improved, adopt the interior burner of spray gun, rifle cap, spray gun retaining plate to separate the refrigerative method according to its residing environmental requirement, the rifle cap replacement cycle of spray gun 3 reaches 9 months, the life cycle of retaining plate 4 is also near 18 months, and the phenomenon that nozzle bursts did not all have to occur in 3 years, changed the remarkable minimizing of frequency, had significantly reduced the influence of production and workman's working strength.
Claims (5)
1. the refrigerating unit that is used for PDP float glass furnace burner, burner is arranged on the both sides of kiln (1) bottom, described burner is the spray gun (3) that is connected with natural gas line (2), comprise retaining plate (4) and supporting pneumatic line in the structure of refrigerating unit with inlet mouth and air outlet, the ejection end of spray gun (3) is located by retaining plate (4), it is characterized in that: described pneumatic line comprises cooling air pipeline (5) that is connected spray gun (3) tail end and the pool wall cooling duct (6) that is connected retaining plate (4) inlet mouth (4-2), and cooling air pipeline (5) and pool wall cooling duct (6) are realized logical by electric controller, or it is disconnected.
2. the refrigerating unit that is used for PDP float glass furnace burner according to claim 1, it is characterized in that: comprise the through hole (4-1), inlet mouth (4-2) UNICOM's retaining plate (4) inner chamber that wore spray gun (3) ejection end in the structure of described retaining plate (4), the periphery of inner chamber is provided with the production well (4-3) in the direct UNICOM external world.
3. the refrigerating unit that is used for PDP float glass furnace burner according to claim 1 is characterized in that: the pressurized air air pressure in the described cooling air pipeline (5) is set to 0.15-0.2Mpa.
4. the refrigerating unit that is used for PDP float glass furnace burner according to claim 1 is characterized in that: the caliber of described pool wall cooling duct (6) is 200mm, and source of the gas is a gas blower, and air quantity is arranged on 500-700m
3/ h.
5. the refrigerating unit that is used for PDP float glass furnace burner according to claim 1 is characterized in that: described pool wall cooling duct (6) is provided with independently electric control valve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201389601U CN201648218U (en) | 2010-03-24 | 2010-03-24 | Cooling device for PDP float glass kiln combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201389601U CN201648218U (en) | 2010-03-24 | 2010-03-24 | Cooling device for PDP float glass kiln combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201648218U true CN201648218U (en) | 2010-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201389601U Expired - Lifetime CN201648218U (en) | 2010-03-24 | 2010-03-24 | Cooling device for PDP float glass kiln combustor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418935A (en) * | 2011-12-13 | 2012-04-18 | 辽宁天和科技股份有限公司 | Furnace combustion structure having function of oxygen-supporting combustion |
| CN108083615A (en) * | 2017-12-07 | 2018-05-29 | 郑州旭飞光电科技有限公司 | Glass furnace cooling system and the method for extending glass furnace service life |
| CN110395880A (en) * | 2019-08-13 | 2019-11-01 | 湖北三峡新型建材股份有限公司 | Glass-melting furnace spray gun temperature control equipment and method |
-
2010
- 2010-03-24 CN CN2010201389601U patent/CN201648218U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418935A (en) * | 2011-12-13 | 2012-04-18 | 辽宁天和科技股份有限公司 | Furnace combustion structure having function of oxygen-supporting combustion |
| CN102418935B (en) * | 2011-12-13 | 2014-03-26 | 辽宁天和科技股份有限公司 | Furnace combustion structure having function of oxygen-supporting combustion |
| CN108083615A (en) * | 2017-12-07 | 2018-05-29 | 郑州旭飞光电科技有限公司 | Glass furnace cooling system and the method for extending glass furnace service life |
| CN108083615B (en) * | 2017-12-07 | 2024-05-24 | 郑州旭飞光电科技有限公司 | Glass kiln cooling system and method for prolonging service life of glass kiln |
| CN110395880A (en) * | 2019-08-13 | 2019-11-01 | 湖北三峡新型建材股份有限公司 | Glass-melting furnace spray gun temperature control equipment and method |
| CN110395880B (en) * | 2019-08-13 | 2021-07-20 | 湖北三峡新型建材股份有限公司 | Device and method for controlling temperature of spray gun of glass melting furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: DONGXU GROUP CO., LTD. Free format text: FORMER NAME: HEBEI DONGXU INVESTMENT GROUP CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 050021 No. 94, Huitong Road, Hebei, Shijiazhuang Patentee after: Tungsu Group Co., Ltd. Address before: 050021 No. 94, Huitong Road, Hebei, Shijiazhuang Patentee before: Hebei Dongxu Investment Corporation Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Sichuan Xuhong Optoelectronic Technology Co., Ltd. Assignor: Tungsu Group Co., Ltd. Contract record no.: 2012110000181 Denomination of utility model: Cooling device for PDP float glass kiln combustor Granted publication date: 20101124 License type: Exclusive License Record date: 20121206 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Sichuan Xuhong Optoelectronic Technology Co., Ltd. Assignor: Tungsu Group Co., Ltd. Contract record no.: 2012110000181 Date of cancellation: 20140310 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| ASS | Succession or assignment of patent right |
Owner name: SICHUAN XUHONG PHOTOELECTRIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: TUNGHSU GROUP CO., LTD. Effective date: 20140513 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 050021 SHIJIAZHUANG, HEBEI PROVINCE TO: 621000 MIANYANG, SICHUAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140513 Address after: 621000 Sichuan city in Mianyang Province Economic Development Zone No. 177 North Road Fu Patentee after: Sichuan Xuhong Optoelectronic Technology Co., Ltd. Address before: 050021 No. 94, Huitong Road, Hebei, Shijiazhuang Patentee before: Tungsu Group Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: DONGXU OPTOELECTRONIC TECHNOLOGY CO., LTD. Assignor: Sichuan Xuhong Optoelectronic Technology Co., Ltd. Contract record no.: 2014990000481 Denomination of utility model: Cooling device for PDP float glass kiln combustor Granted publication date: 20101124 License type: Common License Record date: 20140702 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model |