CN109081567B - Convection glass tempering furnace of turbofan high-temperature fan - Google Patents
Convection glass tempering furnace of turbofan high-temperature fan Download PDFInfo
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- CN109081567B CN109081567B CN201811307564.4A CN201811307564A CN109081567B CN 109081567 B CN109081567 B CN 109081567B CN 201811307564 A CN201811307564 A CN 201811307564A CN 109081567 B CN109081567 B CN 109081567B
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- convection
- tempering furnace
- pipeline
- turbofan
- temperature fan
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/04—Tempering or quenching glass products using gas
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- 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
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The invention discloses a convection glass tempering furnace of a turbofan high-temperature fan, which is characterized in that the tempering furnace is externally connected with the turbofan high-temperature fan used for pressurizing, a first pipeline extending out of the tempering furnace is arranged in the tempering furnace, a blocking mechanism is arranged at the end part of the first pipeline, which is arranged outside the tempering furnace, a second pipeline connected with the blocking mechanism is arranged on the turbofan high-temperature fan, the blocking mechanism is used for communicating and closing the first pipeline and the second pipeline, a convection pipe used for processing convection with glass is also arranged in the tempering furnace, a plurality of convection holes are arranged on the convection pipe, and a third pipeline is also arranged on the convection pipe, and is respectively communicated with a convection rod and the turbofan high-temperature fan.
Description
Technical Field
The invention relates to the technical field of glass processing equipment, in particular to a convection glass tempering furnace of a turbofan high-temperature fan.
Background
In the industries of construction, automobiles, household appliances, industry, national defense and the like, a large amount of toughened glass is used, and particularly in the last eight years, environment-friendly and energy-saving offline LOW-E glass is widely applied to glass curtain walls and hollow doors and windows, and a convection heating toughening furnace is needed for toughening the offline LOW-E glass so as to process high-quality products. The existing convection tempering furnace convection system mainly has two modes: convection of a high-temperature fan and convection of high-pressure air;
convection of a high-temperature fan: the low-pressure high-flow fan is arranged in the high-temperature hearth, and the motor is arranged outside the furnace and circularly works in the furnace. The power of a single motor is 4-5.5 Kw (P=1500pa, Q=330 m 3/min) and takes 2440x5000mm tempering furnace as an example, 8-10 motors are needed, and the total power is about 40 Kw. Disadvantages: A. when the temperature of the heating furnace rises above 300 ℃, all fans must be operated in an idle operating state. Even if toughened glass is not produced, the fan can not stop. Otherwise, the fan cantilever shaft is easy to deform at high temperature. The consumption of idle work is about 120 degrees of electricity per day. B. In order to protect the motor, a water-cooling or air-cooling device is required, and about 20 degrees of electricity is consumed directly and indirectly every day. C. Because the blower impeller shell is large in size, the heat preservation effect is poor, the indirect energy consumption is very high, and a sentence is induced: the convection of the high-temperature fan has the following problems: small pressure, large flow, poor heat preservation effect and high energy consumption. The non-uniformity requirement of the temperature field in the whole furnace is destroyed (the heat absorption of the glass in the middle of being heated in the tempering furnace is more, and the heat absorption of the edge part is less). Affecting the quality of the tempered glass.
High pressure air convection: high pressure and small flow (p=0.5 MPa, q=6m) 3 /min). The external compressed cold air is directly blown to the high-temperature hearth through the pipe network system, and meanwhile, in order to ensure the pressure balance inside and outside the hearth, the hot air is discharged through the exhaust holes, so that the high-temperature hearth is an external circulation system. Taking 2440x5000mm tempering furnace as an example, 1, 55Kw air compressors are needed. Disadvantages: A. compressed air is blown into the hearth in the working state, but the discharged heat is large, and the energy consumption is high. B. If the volume of the air storage tank of the air compressor is not large enough, the air quantity is not supplied, the pressure change is large, the flow is weak, and the convection effect is not ideal.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a turbofan high-temperature fan convection glass tempering furnace which solves the problems existing in high-temperature fan convection and high-pressure air convection.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a turbofan high temperature fan convection glass tempering furnace, includes the tempering furnace, the tempering furnace is external to have the turbofan high temperature fan that is used for the pressure boost, is equipped with in the tempering furnace and extends to the outside first pipeline of tempering furnace, and the outside tip position of tempering furnace is arranged in to first pipeline is equipped with separation mechanism, is equipped with the second pipeline of being connected with separation mechanism on the turbofan high temperature fan, and this separation mechanism is used for intercommunication and closed first pipeline and second pipeline, still be equipped with in the tempering furnace be used for with glass convection process's convection tube, be equipped with a plurality of convection current hole on the convection tube, still be equipped with the third pipeline on the convection tube, this third pipeline is linked together with convection current pole and turbofan high temperature fan respectively.
The invention is further provided with: the turbofan high-temperature fan comprises a high-speed motor, a supercharging assembly and a cooling mechanism, wherein the cooling mechanism is arranged between the supercharging assembly and the high-speed motor, one end of the cooling assembly is attached to the supercharging assembly and is fixedly connected with the supercharging assembly through bolts, a heat dissipation space is formed between the cooling mechanism and the high-speed motor, a motor fixing seat is arranged at one end of the high-speed motor, and bolts for connecting the cooling mechanism are arranged on the motor fixing seat.
The invention is further provided with: the supercharging assembly comprises a volute and a turbofan impeller arranged in the volute, an air outlet communicated with a third pipeline and an air inlet communicated with a second pipeline are formed in the volute, a supercharging vortex channel communicated with the air outlet is formed in the inner wall of the volute, a rotating rod used for placing the turbofan impeller is further arranged in the volute, and a connecting jacket is sleeved at the other end of the rotating rod.
The invention is further provided with: the high-speed motor comprises a machine body and a rotating shaft used for rotating, threads are arranged outside the rotating shaft, one end of the rotating shaft sequentially penetrates through the heat dissipation space and the cooling mechanism and is arranged in the volute, a positioning groove for inserting the rotating rod is formed in the end portion of the rotating shaft, a connecting jacket clamped in the positioning groove is sleeved outside the rotating rod, and a locking sleeve in threaded connection with the rotating shaft is sleeved outside the rotating shaft.
The invention is further provided with: the inner wall of the volute is provided with a fixed ring groove for clamping the heat-insulating ring sleeve, and the outer wall of the heat-insulating ring sleeve extends to be provided with a limiting ring clamped in the fixed ring groove.
The invention is further provided with: the cooling mechanism comprises an I-shaped shaft body, and a cooling flow passage is arranged in the I-shaped shaft body.
The invention is further provided with: the rotary shaft is sleeved with an adjusting block arranged at the heat dissipation space, and a plurality of notches are formed in the outer surface of the adjusting block.
The invention is further provided with: the separation mechanism comprises a main cavity body which is respectively communicated with the first pipeline and the second pipeline, a sealing piece for sealing the first pipeline and a movable cylinder for controlling the sealing piece to slide up and down, wherein the sealing piece comprises a conical sealing block and a guide rod, one end of the guide rod is connected with the sealing block, and the other end of the guide rod penetrates through the main cavity body to be connected with the movable cylinder.
The invention is further provided with: the main cavity comprises a main body and a cover body covered on the top of the main body, wherein the cover body is detachably fixed on the main body, and a through hole for the guide rod to slide is formed in the cover body.
The invention is further provided with: the high-speed motor is an electric spindle high-speed motor.
Through adopting above-mentioned technical scheme, set up single turbofan high temperature fan outside the tempering furnace, utilize to set up turbofan high temperature fan outside, can be convenient for the maintenance in the actual work, utilize first pipeline, second pipeline, third pipeline and convection tube cooperation separation mechanism to add turbofan high temperature fan and formed a convection cycle under tempering furnace high temperature environment, and utilize separation mechanism can realize closed circulation route, realize only work when processing toughened glass, stop when not using. And reduces the idle power consumption. The defect of current high temperature fan convection current is overcome, utilizes the convection orifice to arrange on the convection tube, carries out convection current setting in the tempering furnace inside, realizes convection current processing, realizes local convection heating, and according to the demand of glass at tempering furnace heating, can accomplish local convection heating, guarantees glass heating's homogeneity, produces high-quality toughened glass product.
Drawings
Fig. 1 is a schematic diagram of an internal structure of an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a portion a according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of an internal structure of a turbofan high-temperature fan according to an embodiment of the invention.
Fig. 4 is a schematic view showing an internal structure of a cooling mechanism according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be further described with reference to fig. 1 to 4.
Referring to fig. 1, a convection glass tempering furnace 101 with a turbofan 703 high temperature fan 201 is provided, a turbofan high temperature fan 201 is used for supplying and exhausting air outside the tempering furnace 101, and the high temperature and high pressure flow of air is directly obtained from the tempering furnace, the high temperature fan 201 is externally connected with a number greater than 2, a first pipeline 102 extending to the outside of the tempering furnace 101 is arranged in the tempering furnace 101, so that the internal space of the tempering furnace 101 is communicated with the outside, a blocking mechanism 301 is arranged on the end part of the first pipeline 102 arranged outside the tempering furnace 101, a corresponding blocking mechanism 301 used for blocking air is arranged while the external part is communicated, a second pipeline 202 connected with the blocking mechanism 301 is arranged on the turbofan high temperature fan 201, the blocking mechanism 301 is used for communicating and closing the first pipeline 102 and the second pipeline 202, the connection is such that the internal and external turbofan high temperature fan 201 of the tempering furnace 101 is communicated, the tempering furnace 101 is also internally provided with a convection pipe 401 for convection processing with glass, the convection pipe 401 is provided with a plurality of convection holes 402, the convection pipe 401 is also provided with a third pipeline 103, the third pipeline 103 is respectively communicated with a convection rod and the turbofan high-temperature fan 201 to form a good internal circulation pipeline, the turbofan high-temperature fan 201 is realized through the convection holes 402 to realize the internal circulation of convection under the high-temperature environment, the defect of external circulation is directly overcome, the turbofan high-temperature fan 201 is arranged outside, the problem of difficult maintenance is also solved, the blocking mechanism 301 is utilized to control the air outflow condition inside the tempering furnace 101, the position design of the turbofan high-temperature fan 201 is added, the tempering furnace 101 is internally closed, the air tempering furnace 101 of the turbofan high-temperature fan 201 is internally extracted, the residual heat utilization can be carried out, the practical machine work energy consumption is reduced, thereby reducing the production cost.
Referring to fig. 2: the blocking mechanism 301 comprises a main cavity 302 which is respectively communicated with the first pipeline 102 and the second pipeline 202, a power source is provided through a movable cylinder 306, and then the opening and the closing of internal sealing elements of the blocking mechanism are controlled 26, the blocking mechanism 301 further comprises sealing elements for sealing the first pipeline 102, each sealing element comprises a conical sealing block 304 and a guide rod 303, one end of each guide rod 303 is connected with each sealing block 304, the other end of each guide rod 303 penetrates through the main cavity 302 and slides up and down relative to the main cavity 302, the conical sealing blocks 304 are utilized at three connecting ports of a pipeline to realize up-and-down sliding sealing, so that when a machine stops running, the internal tempering furnace 101 can be sealed, internal heat loss is avoided, and when the tempering furnace 101 does not work, the turbofan high-temperature fan 201 can directly stop running, and idle running is not needed.
Referring to fig. 3-4: the vortex fan high-temperature fan 201 is a driving power source for providing convection energy for the inside of the toughening furnace 101, the vortex fan high-temperature fan 201 comprises a high-speed motor, a pressurizing assembly and a cooling mechanism, a pressurizing vortex channel 5011 communicated with an air outlet 503 is further arranged on the inner wall of the vortex shell 501, the vortex blade wheel 703 in the vortex shell 501 rotates at a high speed under the high-speed rotation of the high-speed motor, a rotating rod 701 is driven by a rotating shaft 602, threads are arranged on the outside of the rotating shaft 602, a positioning groove 603 for inserting the rotating rod 701 is arranged at the end part of the rotating shaft 602, a locking sleeve 502 in threaded connection with the rotating shaft 602 is sleeved outside the rotating shaft 602, the rotating shaft 602 and the rotating rod 701 are tightly locked by the locking sleeve 502, good driving work is realized, the phenomenon of high-speed running and slipping is avoided, the high-speed motor drives the turbine blade wheel 703 to rotate at a high speed in the turbine housing 501, the turbine blade wheel 703 rotates at a high speed, continuous compressed air is carried out through the pressurizing turbine runner 5011, the pressurizing effect is achieved, high-temperature gas in a tempering furnace is sucked from the air inlet 504 in the rotation axis direction, high-temperature gas is formed in the tangential direction of the turbine housing 501, the high-temperature gas is sent out from the air outlet 503 to flow into the tempering furnace 101 of the turbine housing along the tangential direction, high-temperature convection is achieved, the high-speed motor is an electric spindle high-speed motor 601, the rotating speed is 3500 revolutions per minute, the requirement of LOW-E glass processing can be met, the turbine blade wheel 703 is made of alloy steel and is made of high-temperature resistant materials, the pressurizing assembly part is made of high-temperature gas supply, and the processing requirement is met.
Meanwhile, the heat insulation ring sleeve 801 which is sleeved outside the rotating rod 701 and arranged between the turbine blade wheel 703 and the locking sleeve 502 is arranged in the volute 501, the heat insulation ring sleeve 801 is mainly used for dividing heat, high-temperature heat is prevented from being transferred to the electric spindle high-speed motor 601, the electric spindle high-speed motor 601 is affected, the fixing ring groove for clamping the heat insulation ring sleeve 801 is arranged on the inner wall of the volute 501, the volute is firmly fixed at a fixed position, further, the generated offset phenomenon is avoided when the volute runs at a high speed, the heat insulation effect is guaranteed, the limiting ring 802 clamped in the fixing ring groove is extended on the outer wall of the heat insulation ring sleeve 801, and the actual service life of the motor is reduced due to the fact that the high temperature of the turbofan is affected.
The cooling flow channel 13 is arranged in the I-shaped shaft body 12, when the I-shaped shaft body 12 is tightly attached to the volute 501, high-heat gas in the volute 501 runs, the surface of the whole volute 501 is quickly heated, the heat is transferred to the I-shaped shaft body 12 by the heat transfer principle, the heat is slowly transferred to the electric spindle high-speed motor 601, the distance from the volute 501 to the electric spindle high-speed motor 601 is increased by the design of the cooling flow channel 13 in the I-shaped shaft body 12, the cooling flow channel 13 is utilized to cool the inside, heat transmission is reduced, the rotating shaft 602 passes through the I-shaped shaft body 12, the cooling effect is also achieved, the rotating shaft 602 rotates at a high speed, the rotating shaft 602 is sleeved with the regulating block 604 arranged at the position of the cooling space 606, the outer surface of the regulating block 604 is provided with a plurality of gaps 605, and when the gaps 605 rotate, air at the position of the cooling space 606 can be blocked by the air, dynamic flowing air can be formed, and the rotating shaft can be cooled well, and the electric spindle high-speed motor 601 can be operated well.
The cooling flow passage is in a spiral ring shape, is arranged in the I-shaped shaft body, and performs good cooling.
The turbofan high temperature fan 201 convection versus high pressure air convection and high temperature fan convection is shown below:
the convection of the turbofan high-temperature fan 201 is at an intermediate value in pressure and flow, is very low in energy consumption, not only meets the pressure requirement of the turbofan high-temperature fan, but also meets the flow requirement, meanwhile, the internal circulation is adopted, the local convection heating can be independently controlled, and the turbofan high-temperature fan is externally installed, stable and reliable, is convenient to maintain, and simultaneously, the high-pressure air convection and the high-temperature fan convection are determined.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the invention, but one skilled in the art can make common changes and substitutions within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a turbofan high temperature fan convection glass tempering furnace, includes the tempering furnace, characterized by: the tempering furnace is externally connected with a turbofan high-temperature fan used for pressurizing, a first pipeline extending out of the tempering furnace is arranged in the tempering furnace, a blocking mechanism is arranged at the end part of the first pipeline, which is arranged outside the tempering furnace, a second pipeline connected with the blocking mechanism is arranged on the turbofan high-temperature fan, the blocking mechanism is used for communicating and closing the first pipeline and the second pipeline, a convection pipe used for carrying out convection processing with glass is also arranged in the tempering furnace, a plurality of convection holes are formed in the convection pipe, a third pipeline is further arranged on the convection pipe, and the third pipeline is respectively communicated with a convection rod and the turbofan high-temperature fan;
the turbofan high-temperature fan comprises a high-speed motor, a supercharging assembly and a cooling mechanism, wherein the cooling mechanism is arranged between the supercharging assembly and the high-speed motor, one end of the cooling assembly is attached to the supercharging assembly and is fixedly connected with the supercharging assembly through bolts, a heat dissipation space is formed between the cooling mechanism and the high-speed motor, a motor fixing seat is arranged at one end of the high-speed motor, and bolts for connecting the cooling mechanism are arranged on the motor fixing seat;
the supercharging assembly comprises a volute and a turbofan impeller arranged in the volute, an air outlet communicated with the third pipeline and an air inlet communicated with the second pipeline are arranged on the volute, a supercharging vortex channel communicated with the air outlet is arranged on the inner wall of the volute, a rotating rod for placing the turbofan impeller is further arranged in the volute, and a connecting jacket is sleeved at the other end of the rotating rod;
the inside of the volute is also provided with a heat-insulating ring sleeve sleeved outside the rotating rod and arranged between the turbofan and the locking sleeve, the inner wall of the volute is provided with a fixed ring groove for clamping the heat-insulating ring sleeve, and the outer wall of the heat-insulating ring sleeve extends to form a limiting ring clamped in the fixed ring groove;
the separation mechanism comprises a main cavity body which is respectively communicated with the first pipeline and the second pipeline, a sealing piece for sealing the first pipeline and a movable cylinder for controlling the sealing piece to slide up and down, wherein the sealing piece comprises a conical sealing block and a guide rod, one end of the guide rod is connected with the sealing block, and the other end of the guide rod penetrates through the main cavity body to be connected with the movable cylinder.
2. The convection glass tempering furnace of the turbofan high-temperature fan according to claim 1, wherein: the high-speed motor comprises a machine body and a rotating shaft used for rotating, threads are arranged outside the rotating shaft, one end of the rotating shaft sequentially penetrates through the heat dissipation space and the cooling mechanism and is arranged in the volute, a positioning groove for inserting the rotating rod is formed in the end portion of the rotating shaft, a connecting jacket clamped in the positioning groove is sleeved outside the rotating rod, and a locking sleeve in threaded connection with the rotating shaft is sleeved outside the rotating shaft.
3. The convection glass tempering furnace of the turbofan high-temperature fan according to claim 1, wherein: the cooling mechanism comprises an I-shaped shaft body, and a cooling flow passage is arranged in the I-shaped shaft body.
4. A turbofan high temperature fan convection glass tempering furnace of claim 3, wherein: the rotary shaft is sleeved with an adjusting block arranged at the heat dissipation space, and a plurality of notches are formed in the outer surface of the adjusting block.
5. The convection glass tempering furnace with the turbofan high-temperature fan according to claim 4, wherein the convection glass tempering furnace is characterized in that: the main cavity comprises a main body and a cover body covered on the top of the main body, wherein the cover body is detachably fixed on the main body, and a through hole for the guide rod to slide is formed in the cover body.
6. The convection glass tempering furnace of the turbofan high-temperature fan according to claim 1, wherein: the high-speed motor is an electric spindle high-speed motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307564.4A CN109081567B (en) | 2018-11-05 | 2018-11-05 | Convection glass tempering furnace of turbofan high-temperature fan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307564.4A CN109081567B (en) | 2018-11-05 | 2018-11-05 | Convection glass tempering furnace of turbofan high-temperature fan |
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| Publication Number | Publication Date |
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| CN109081567A CN109081567A (en) | 2018-12-25 |
| CN109081567B true CN109081567B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| US6776008B1 (en) * | 1999-11-01 | 2004-08-17 | Uniglass Engineering Oy | Method and apparatus for heating glass |
| CN103449712A (en) * | 2013-08-14 | 2013-12-18 | 浙江鼎玻自动化设备有限公司 | Convection glass toughening furnace of barrier-free strong-radiation air blower |
| RU2014105277A (en) * | 2014-02-12 | 2015-08-20 | Игорь Васильевич Гнатюк | PIPELINDER OVERLAPPING DEVICE |
| CN105936586A (en) * | 2016-06-30 | 2016-09-14 | 广东富山玻璃机械有限公司 | Glass heating furnace and heating method |
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2018
- 2018-11-05 CN CN201811307564.4A patent/CN109081567B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6776008B1 (en) * | 1999-11-01 | 2004-08-17 | Uniglass Engineering Oy | Method and apparatus for heating glass |
| CN2499634Y (en) * | 2001-09-29 | 2002-07-10 | 富伟精机股份有限公司 | Gas spring cylinder |
| CN2603870Y (en) * | 2003-02-21 | 2004-02-18 | 华中科技大学 | Three-position three-way water hydraulic change-over valve |
| CN103449712A (en) * | 2013-08-14 | 2013-12-18 | 浙江鼎玻自动化设备有限公司 | Convection glass toughening furnace of barrier-free strong-radiation air blower |
| RU2014105277A (en) * | 2014-02-12 | 2015-08-20 | Игорь Васильевич Гнатюк | PIPELINDER OVERLAPPING DEVICE |
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