CN107285614A - A kind of glass tempering furnace - Google Patents
A kind of glass tempering furnace Download PDFInfo
- Publication number
- CN107285614A CN107285614A CN201710669557.8A CN201710669557A CN107285614A CN 107285614 A CN107285614 A CN 107285614A CN 201710669557 A CN201710669557 A CN 201710669557A CN 107285614 A CN107285614 A CN 107285614A
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- CN
- China
- Prior art keywords
- tempering
- blower fan
- glass
- quench zone
- cooling section
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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.)
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Classifications
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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
- C03B27/012—Tempering or quenching glass products by heat treatment, e.g. for crystallisation; Heat treatment of glass products before tempering by cooling
-
- 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
- C03B27/0404—Nozzles, blow heads, blowing units or their arrangements, specially adapted for flat or bent glass sheets
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention discloses a kind of glass tempering furnace, including body of heater, the body of heater includes upper furnace and lower hearth, live-roller gear is provided between the upper furnace and the lower hearth, some ceramic rollers of horizontal spaced set are installed in the live-roller gear, stove silk is equipped with the upper furnace and in the lower hearth, the stove silk both faces towards the live-roller gear and set.Beneficial effects of the present invention：When the glass in annealing furnace enters the quench zone, the quench zone quenching airduct is connected with the quench zone, for cooling down glass, now the electric energy of the tempering blower fan two consumption of the cooling section is effectively utilized, similarly, when there is no glass on the quench zone, the tempering blower fan two starts, the cooling section airduct is connected with the cooling section, now, within tempering interval time, the electric energy of the operating of tempering blower fan one consumption is effectively utilized, so as to reduce the energy consumption of whole glass tempering furnace.
Description
Technical field
The present invention relates to glass manufacturing equipment field, it particularly relates to a kind of glass tempering furnace.
Background technology
Glass tempering furnace also known as glass fibre reinforced plastic equipment, mainly use either physically or chemically, are formed on the surface of glass
Compressive stress layer, be internally formed tension layer；When glass receives external force effect, compressive stress layer can offset part tension, keep away
Exempt from glass breaking, so as to reach the purpose for improving strength of glass.Wherein, glass is heated to softening temperature point, but glass kind grain
Son has certain transfer ability, carries out the adjustment of structure, glass then is being blowed into quenching, generates glass a kind of equal
The internal stress of even and regular distribution, improves the intensity of glass.
Wherein, quenching blowing technique is the key of glass particle degree formation, and tempering air door is opened, the urgency of tempering blower fan storage
Cold wind glass is blowed tempering, after tempering is complete, and tempering air door is closed, but tempering blower fan is also keeping the fortune of high speed
Turn, blast when buffering tempering air door is closed further is cooled down subsequently into cooling section；In the epoch of modernization development, country
Emphasize to save energy-saving thought always, how to make the reduction of tempering apparatus energy consumption turns into key problem；In addition, traditional tempering
In stove, the heating surface (area) (HS of radiant panel is uneven, causes heating effect poor, glass be heated it is uneven, it is easy in follow-up quench zone
It is broken.
The problem of in correlation technique, effective solution is not yet proposed at present.
The content of the invention
The problem of in correlation technique, the present invention proposes a kind of glass tempering furnace, to overcome existing correlation technique to be deposited
Above-mentioned technical problem.
The technical proposal of the invention is realized in this way：
A kind of glass tempering furnace, including body of heater, the body of heater include upper furnace and lower hearth, the upper furnace and it is described under
Some ceramic rollers that horizontal spaced set is provided with live-roller gear, the live-roller gear, the upper stove are provided between burner hearth
Stove silk is equipped with thorax and in the lower hearth, the stove silk both faces towards the live-roller gear and set, also set in the lower hearth
There are some radiant panels, and the position and the position of stove silk of radiant panel installation are corresponded, the institute in the upper furnace
The lower section for stating stove silk is provided with radiant tube group, and the radiant tube group is mutually horizontally disposed with by several radiant tubes, forms waveform spoke
Face is penetrated, the radiant tube group is fixed on the inwall of the body of heater by fixture, and the top of the body of heater is provided with convection holes, described
The left side of body of heater is provided with air grid, and the air grid includes quench zone and cooling section, and the quench zone is located at the cooling section and described
Between body of heater, the lower section of the air grid, which is provided with Ventilator Room, the Ventilator Room, includes tempering blower fan one, tempering blower fan two, chilling
Section quenching airduct, cooling section airduct, branch pipe one, branch pipe two, cloth bag one, cloth bag two and cavity, wherein the tempering blower fan one
Air outlet is connected with the cloth bag one, the quench zone quenching airduct and the branch pipe one, the branch pipe one and the urgency in turn
Cold section is connected, and the air outlet of the tempering blower fan two is connected with the cloth bag two, the cooling section airduct and the branch in turn
Pipe two, the branch pipe two is connected with the cooling section, and the tempering blower fan one is located at the right side of the tempering blower fan two, wherein
It is provided with the top and bottom of the cavity, the cavity and is equipped between the quench zone quenching airduct and the cooling section airduct
Portable plate is provided with chute, the chute, the portable plate is that the top and bottom correspondence in hollow-core construction, the portable plate is set
There are rack one and rack two, half gear is provided between the rack one and the rack two, half gear passes through rotating shaft and electricity
Machine is connected, and the left and right ends of the portable plate are equipped with connecting rod, the right-hand member of the quench zone quenching airduct and the cavity
Between be provided with the first valve, the second valve is provided between the left end of the cooling section airduct and the cavity.
Further, the right side of the body of heater is provided with upper piece platform.
Further, the radiant tube uses stainless steel material.
Further, screen pack is provided with the convection holes.
Further, the top of the air grid is provided with dust cover.
Further, the gross area of the cooling section air holes is more than the gross area of the quench zone air holes.
Further, the use power of the tempering blower fan one is more than the use power of the tempering blower fan two.
Further, the air grid is arranged in noise reduction room.
Further, the diameter of half gear is less than the length of the rack one and the rack two.
Further, the spacing between a diameter of 50mm of the ceramic roller, two adjacent ceramic rollers is
100mm。
Beneficial effects of the present invention：When the glass in annealing furnace enters the quench zone, the quench zone quenching airduct
It is connected with the quench zone, for cooling down glass, now the electric energy of the tempering blower fan two consumption of the cooling section is obtained
Effective to utilize, similarly, when not having glass on the quench zone, the tempering blower fan two starts, the cooling section airduct with
The cooling section is connected, now, within tempering interval time, and the electric energy of the operating of tempering blower fan one consumption is obtained effectively
Utilize, so as to reduce the energy consumption of whole glass tempering furnace；In addition, by the radiant tube group of setting, instead of traditional
Horizontal radiation plate, and the adjacent radiant tube forms corrugated radiating surface, adds swept area, heating effect is good, by
It is hot uniform, tempering into glass effects it is good, intensity is high.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of glass tempering furnace according to embodiments of the present invention；
Fig. 2 is the structural scheme of mechanism of portable plate in glass tempering furnace according to embodiments of the present invention.
In figure：
1st, body of heater；2nd, stove silk；3rd, screen pack；4th, convection holes；5th, upper furnace；6th, radiant tube；7th, radiant tube group；8th, live-roller
Road；9th, ceramic roller；10th, upper piece platform；11st, lower hearth；12nd, radiant panel；13rd, cloth bag one；14th, quench zone quenching airduct；15th, tempering
Blower fan one；16th, cavity；17th, tempering blower fan two；18th, cloth bag two；19th, cooling section airduct；20th, branch pipe two；21st, cooling section；22、
Air grid；23rd, dust cover；24th, quench zone；25th, half gear；26th, chute；27th, rotating shaft；28th, rack two；29th, connecting rod；30th, it is living
Dynamic plate；31st, fixture；32nd, Ventilator Room；33rd, branch pipe one；34th, rack one；35th, the first valve；36th, the second valve.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained belongs to what the present invention was protected
Scope.
There is provided a kind of glass tempering furnace for embodiments in accordance with the present invention.
As shown in Figure 1-2, glass tempering furnace according to embodiments of the present invention, including body of heater 1, the body of heater 1 include upper stove
Thorax 5 and lower hearth 11, are provided with live-roller gear 8, the live-roller gear 8 between the upper furnace 5 and the lower hearth 11 and install
Have in some ceramic rollers 9 of horizontal spaced set, the upper furnace 5 and stove silk 2, the stove are equipped with the lower hearth 11
Silk 2 both faces towards the live-roller gear 8 and set, and some radiant panels 12 are additionally provided with the lower hearth 11, and the radiant panel 12 is pacified
The position of dress and the position of stove silk 2 are corresponded, and the lower section of the stove silk 2 in the upper furnace 5 is provided with radiant tube group
7, the radiant tube group 7 is mutually horizontally disposed by several radiant tubes 6, forms waveform radiating surface, and the radiant tube group 7 passes through
Fixture 31 is fixed on the inwall of the body of heater 1, and the top of the body of heater 1 is provided with convection holes 4, and the left side of the body of heater 1 is provided with
Air grid 22, the air grid 22 includes quench zone 24 and cooling section 21, and the quench zone 24 is located at the cooling section 21 and the stove
Between body 1, the lower section of the air grid 22, which is provided with Ventilator Room 32, the Ventilator Room 32, includes tempering blower fan 1, tempering blower fan
2 17, quench zone quenching airduct 14, cooling section airduct 19, branch pipe 1, branch pipe 2 20, cloth bag 1, cloth bag 2 18 and cavity
16, wherein the air outlet of the tempering blower fan 1 is connected with the cloth bag 1, the and of quench zone quenching airduct 14 in turn
The branch pipe 1, the branch pipe 1 is connected with the quench zone 24, and the air outlet of the tempering blower fan 2 17 connects successively
It is connected to the cloth bag 2 18, the cooling section airduct 19 and the branch pipe 2 20, the branch pipe 2 20 and the phase of cooling section 21
Connection, the tempering blower fan 1 is located at the right side of the tempering blower fan 2 17, wherein the quench zone quenching airduct 14 and institute
State and the cavity 16 is provided between cooling section airduct 19, the top and bottom of the cavity 16 are equipped with chute 26, the chute
Portable plate 30 is provided with 26, the portable plate 30 is that the top and bottom in hollow-core construction, the portable plate 30 are correspondingly provided with tooth
Bar 1 and rack 2 28, are provided with half gear 27 between the rack 1 and the rack 2 28, half gear 25 passes through
Rotating shaft 27 is connected with motor, and the left and right ends of the portable plate 30 are equipped with connecting rod 29, the quench zone quenching airduct 14
It is provided between the first valve 35, the left end of the cooling section airduct 19 and the cavity 16 and sets between the right-hand member of the cavity 16
There is the second valve 36.
In one embodiment, the right side of the body of heater 1 is provided with upper piece platform 10., can by upper piece platform 10 of setting
With being sent in the body of heater 1 in order by glass.
In one embodiment, the radiant tube 6 uses stainless steel material.By the way that the radiant tube 6 is used into stainless steel
Material, heat resistance is relatively good, and it is mainly enhanced rad area, and the speed of heat transfer is fast, and heating effect is good, makes glass heated equal
Even, tempering effect is good.
In one embodiment, screen pack 3 is provided with the convection holes 4.By setting the mistake in the convection holes 4
Filter screen 3, it is to avoid air enters in the body of heater 1 in the impurity during circulation, sticks on the ceramic roller 9, causes
Glass is abraded during transmission, influence production.
In one embodiment, the top of the air grid 22 is provided with dust cover 23.Pass through what is set on the air grid 22
The dust cover 23, can play the surface for avoiding dust from falling into glass, be made troubles to cleaning machine, and big dust granule may
Stick on rubber roll, cause to abrade in cleaning process, cause the waste of glass, in addition, entering in the air grid 22 to glass
Row cooling, is the glass extremely breakable process segment, and the dust cover 23 can also avoid flying for disintegrating slag during glass breaking
Splash, staff is damaged.
In one embodiment, the gross area of the air holes of cooling section 21 is more than the gross area of the air holes of quench zone 24.
It is, in principle, that the quench zone 21 is the critical process place of glass particle degree formation, it is bigger to the blowing needs of glass
Air holes area, when glass cooling faster, promote the formation of internal stress, be also strength of glass improve key procedure.
In one embodiment, the use power of the tempering blower fan 1 is more than the use work(of the tempering blower fan 2 17
Rate.The quench zone 21 needs stronger blowing, causes the more powerful tempering blower fan 1 of needs.
In one embodiment, the air grid 22 is arranged in noise reduction room 37.By the noise reduction room 37 of setting, mainly
The occupational disease occurred in tempering process Permanent Staff is avoided, is conducive to the health of human body.
In one embodiment, the diameter of half gear 25 is less than the length of the rack 1 and the rack 2 28
Degree.By half gear 25 of setting, the operating of half gear 25 can be driven by motor, it is possible to achieve the activity
The side-to-side movement of plate 30.
In one embodiment, between a diameter of 50mm of the ceramic roller 9, two adjacent ceramic rollers 9
Away from for 100mm.The rational transmission of glass in process can be met, remaining spacing can also be set, depending on processing feelings
Depending on condition.
In addition, in embodiment, when glass enters in the air grid 22 from the body of heater 1, the tempering blower fan one
15 start, and now half gear 25 in the cavity 16 drives the rack 1, cause the connecting rod 29 to promote institute
The second valve 36 is stated, causes the tempering blower fan 2 17 to be in idling conditions, energy consumption is reduced；As described half in the cavity 16
When gear 25 drives gear 2 28, first valve 35 is opened, and the tempering blower fan 1 is in idling conditions, reduction
Energy consumption.
In summary, by means of the above-mentioned technical proposal of the present invention, by body of heater 1, the body of heater 1 includes the He of upper furnace 5
Lower hearth 11, is provided with live-roller gear 8, the live-roller gear 8 between the upper furnace 5 and the lower hearth 11 and is provided with level
Stove silk 2 is equipped with some ceramic rollers 9 of spaced set, the upper furnace 5 and in the lower hearth 11, the stove silk 2 is equal
Set towards the live-roller gear 8, some radiant panels 12, and the position that the radiant panel 12 is installed are additionally provided with the lower hearth 11
The position put with stove silk 2 is corresponded, and the lower section of the stove silk 2 in the upper furnace 5 is provided with radiant tube group 7, described
Radiant tube group 7 is mutually horizontally disposed by several radiant tubes 6, forms waveform radiating surface, and the radiant tube group 7 passes through fixture
31 are fixed on the inwall of the body of heater 1, and the top of the body of heater 1 is provided with convection holes 4, and the left side of the body of heater 1 is provided with air grid 22,
The air grid 22 includes quench zone 24 and cooling section 21, and the quench zone 24 is located between the cooling section 21 and the body of heater 1,
The lower section of the air grid 22, which is provided with Ventilator Room 32, the Ventilator Room 32, includes tempering blower fan 1, tempering blower fan 2 17, chilling
Section quenching airduct 14, cooling section airduct 19, branch pipe 1, branch pipe 2 20, cloth bag 1, cloth bag 2 18 and cavity 16, wherein institute
The air outlet for stating tempering blower fan 1 is connected with the cloth bag 1, the quench zone quenching airduct 14 and the branch pipe one in turn
33, the branch pipe 1 is connected with the quench zone 24, and the air outlet of the tempering blower fan 2 17 is connected with the cloth in turn
Bag 2 18, the cooling section airduct 19 and the branch pipe 2 20, the branch pipe 2 20 are connected with the cooling section 21, the steel
Wind transmission machine 1 is located at the right side of the tempering blower fan 2 17, wherein the quench zone quenching airduct 14 and the cooling section airduct
The cavity 16 is provided between 19, the top and bottom of the cavity 16 are equipped with chute 26, the chute 26 provided with activity
Plate 30, the portable plate 30 is that the top and bottom in hollow-core construction, the portable plate 30 are correspondingly provided with rack 1 and rack
2 28, half gear 25 is provided between the rack 1 and the rack 2 28, half gear 25 passes through rotating shaft 27 and motor
It is connected, the left and right ends of the portable plate 30 are equipped with connecting rod 29, the quench zone quenching airduct 14 and the cavity 16
Right-hand member between be provided with the first valve 35, the second valve is provided between the left end of the cooling section airduct 19 and the cavity 16
36.Beneficial effects of the present invention：When the glass in annealing furnace enter the quench zone 24 when, the quench zone quenching airduct 14 with
The quench zone 24 is connected, for cooling down glass, now the electric energy of the tempering blower fan 2 17 consumption of the cooling section 21
It is effectively utilized, similarly, when not having glass on the quench zone 24, the tempering blower fan 2 17 starts, the cooling
Duan Fengguan 19 is connected with the cooling section 21, now, within tempering interval time, the operating of tempering blower fan 1 consumption
Electric energy is effectively utilized, so as to reduce the energy consumption of whole glass tempering furnace；In addition, the radiant tube group for passing through setting
7, traditional horizontal radiation plate is instead of, and the adjacent radiant tube 6 forms corrugated radiating surface, adds radiating surface
Product, heating effect is good, is heated evenly, tempering into glass effects it is good, intensity is high.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of glass tempering furnace, it is characterised in that including body of heater (1), the body of heater (1) includes upper furnace (5) and lower hearth
(11), it is provided with live-roller gear (8), the live-roller gear (8) and is provided between the upper furnace (5) and the lower hearth (11)
Stove silk (2) is equipped with some ceramic rollers (9) of horizontal spaced set, the upper furnace (5) and in the lower hearth (11),
The stove silk (2) both faces towards in the live-roller gear (8) setting, the lower hearth (11) and is additionally provided with some radiant panels (12), and
The position that the radiant panel (12) is installed and the position of stove silk (2) are corresponded, the stove silk in the upper furnace (5)
(2) lower section is provided with radiant tube group (7), and the radiant tube group (7) is mutually horizontally disposed by several radiant tubes (6), forms ripple
Shape wave radiating surface, the radiant tube group (7) is fixed on the inwall of the body of heater (1) by fixture (31), the body of heater (1)
Top is provided with convection holes (4), and the left side of the body of heater (1) is provided with air grid (22), the air grid (22) include quench zone (24) and
Cooling section (21), the quench zone (24) is located between the cooling section (21) and the body of heater (1), under the air grid (22)
Side, which is provided with Ventilator Room (32), the Ventilator Room (32), includes tempering blower fan one (15), tempering blower fan two (17), quench zone quenching
Airduct (14), cooling section airduct (19), branch pipe one (33), branch pipe two (20), cloth bag one (13), cloth bag two (18) and cavity
(16), wherein the air outlet of the tempering blower fan one (15) is connected with the cloth bag one (13), the quench zone quenching wind in turn
(14) and the branch pipe one (33) are managed, the branch pipe one (33) is connected with the quench zone (24), the tempering blower fan two
(17) air outlet is connected with the cloth bag two (18), the cooling section airduct (19) and the branch pipe two (20) in turn, described
Branch pipe two (20) is connected with the cooling section (21), and the tempering blower fan one (15) is located at the right side of the tempering blower fan two (17)
Side, wherein being provided with the cavity (16), the sky between the quench zone quenching airduct (14) and the cooling section airduct (19)
It is equipped with the top and bottom of chamber (16) in chute (26), the chute (26) and is provided with portable plate (30), the portable plate (30)
For hollow-core construction, the top and bottom in the portable plate (30) are correspondingly provided with rack one (34) and rack two (28), the tooth
Half gear (25) is provided between bar one (34) and the rack two (28), half gear (25) passes through rotating shaft (27) and motor phase
Connection, the left and right ends of the portable plate (30) are equipped with connecting rod (29), the quench zone quenching airduct (14) and the sky
The first valve (35) is provided between the right-hand member of chamber (16), is set between the cooling section airduct (19) and the left end of the cavity (16)
There is the second valve (36).
2. glass tempering furnace according to claim 1, it is characterised in that the right side of the body of heater (1) is provided with upper piece platform
(10)。
3. glass tempering furnace according to claim 1, it is characterised in that the radiant tube (6) uses stainless steel material.
4. glass tempering furnace according to claim 1, it is characterised in that screen pack (3) is provided with the convection holes (4).
5. glass tempering furnace according to claim 1, it is characterised in that the top of the air grid (22) is provided with dust cover
(23)。
6. glass tempering furnace according to claim 1, it is characterised in that the gross area of cooling section (21) air holes is more than
The gross area of quench zone (24) air holes.
7. glass tempering furnace according to claim 1, it is characterised in that the use power of the tempering blower fan one (15) is big
In the use power of the tempering blower fan two (17).
8. glass tempering furnace according to claim 1, it is characterised in that the air grid (22) is arranged at noise reduction room (37)
In.
9. glass tempering furnace according to claim 1, it is characterised in that the diameter of half gear (25) is less than the tooth
The length of bar one (34) and the rack two (28).
10. glass tempering furnace according to claim 1, it is characterised in that a diameter of 50mm of the ceramic roller (9), two
Spacing between the individual adjacent ceramic roller (9) is 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710669557.8A CN107285614A (en) | 2017-08-08 | 2017-08-08 | A kind of glass tempering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710669557.8A CN107285614A (en) | 2017-08-08 | 2017-08-08 | A kind of glass tempering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107285614A true CN107285614A (en) | 2017-10-24 |
Family
ID=60105275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710669557.8A Withdrawn CN107285614A (en) | 2017-08-08 | 2017-08-08 | A kind of glass tempering furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107285614A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991342A (en) * | 2017-11-13 | 2018-05-04 | 无锡艾科瑞思产品设计与研究有限公司 | A kind of online metal detection of food and processing unit |
| CN108640492A (en) * | 2018-07-25 | 2018-10-12 | 蚌埠淮畔精密机械有限公司 | A kind of glass tempering furnace |
-
2017
- 2017-08-08 CN CN201710669557.8A patent/CN107285614A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991342A (en) * | 2017-11-13 | 2018-05-04 | 无锡艾科瑞思产品设计与研究有限公司 | A kind of online metal detection of food and processing unit |
| CN108640492A (en) * | 2018-07-25 | 2018-10-12 | 蚌埠淮畔精密机械有限公司 | A kind of glass tempering furnace |
| CN108640492B (en) * | 2018-07-25 | 2019-11-29 | 温州美富达工艺品有限公司 | A kind of glass tempering furnace |
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Application publication date: 20171024 |