CN113501661A - Nozzle and glass tempering furnace with same - Google Patents
Nozzle and glass tempering furnace with same Download PDFInfo
- Publication number
- CN113501661A CN113501661A CN202110998515.5A CN202110998515A CN113501661A CN 113501661 A CN113501661 A CN 113501661A CN 202110998515 A CN202110998515 A CN 202110998515A CN 113501661 A CN113501661 A CN 113501661A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- channel
- sub
- gas
- negative pressure
- Prior art date
- 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.)
- Pending
Links
- 239000011521 glass Substances 0.000 title claims abstract description 36
- 238000005496 tempering Methods 0.000 title claims abstract description 19
- 238000009423 ventilation Methods 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 239000007921 spray Substances 0.000 claims description 15
- 238000013022 venting Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000005344 low-emissivity glass Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- 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)
Abstract
The nozzle comprises a nozzle body, a gas input port, a gas transmission channel, a gas outlet, a ventilation cavity and a negative pressure input port, wherein the gas input port, the gas transmission channel, the gas outlet, the ventilation cavity and the negative pressure input port are arranged on the nozzle body; the gas inlet, the gas transmission channel and the gas outlet are sequentially communicated to form a positive pressure passage, the negative pressure inlet, the ventilation cavity, the gas transmission channel and the gas outlet are sequentially communicated, and the negative pressure inlet and the ventilation cavity form a negative pressure passage; in addition, the glass tempering furnace comprises a furnace body, an air inlet pipe, an object placing part, the nozzle and the heater, wherein the object placing part is arranged in the furnace body and used for placing glass; the nozzle is arranged above the object placing part, the heater is arranged on the side part of the nozzle, and the air inlet pipe is connected with the gas inlet. The invention can be used for toughening the LOW-E glass.
Description
Technical Field
The invention belongs to the technical field of glass processing, and particularly relates to a nozzle and a glass tempering furnace with the same.
Background
Chinese patent document No. CN103274586A, 09 month and 04 of 2013, discloses a glass toughening furnace comprising a furnace body, a roller table, furnace wires and radiation plates; the furnace body comprises an upper hearth and a lower hearth, a transmission roller way device is arranged between the upper hearth and the lower hearth, furnace wires are respectively arranged in the upper hearth and the lower hearth, the furnace wires are arranged facing the ceramic roller way, and a radiation plate is arranged in the lower hearth and is arranged above the furnace wires; the furnace wire is characterized by also comprising a radiant tube group and a convection tube, wherein the radiant tube group is hoisted in the upper furnace and is arranged below the furnace wire, the radiant tube group is formed by connecting a plurality of radiant tubes side by side, the radiant tubes are of an integral structure and are transversely hoisted in the upper furnace, the diameter of each radiant tube is 30-40mm, and the wall thickness is 3-5 mm; the convection tubes are arranged in a plurality and are hung below the radiation tubes side by side, the air inlet ends of the convection tubes are connected with a fan, the diameter of the convection tubes is 20-30mm, the distance between the convection tubes is 260-300mm, the convection tubes are provided with a plurality of air injection holes, the diameter of each air injection hole is 2-3mm, the distance between the air injection holes in the length direction of the convection tubes is 45-55mm, the transmission roller way comprises a roller way support and a plurality of ceramic roller shafts, the ceramic roller shafts are arranged on the roller way support, and the radiation tubes are made of heat-resistant stainless steel tubes.
Among them, LOW-E glass is also called LOW-emissivity glass, which is a film product formed by plating a plurality of layers of metals or other compounds on the surface of glass, and the film layer has the characteristics of high visible light transmission and high mid-far infrared ray reflection, so that compared with common glass and traditional film glass for buildings, the LOW-E glass has excellent heat insulation effect and good light transmission.
The problems are that the structure and the arrangement mode of the furnace wire, the radiant tube and the convection tube are used for uniformly heating in the furnace body, the heating mode is not suitable for tempering the LOW-E glass with high reflection of middle and far infrared rays, and a local forced heating mode is needed when the LOW-E glass is tempered, so that a ventilation accessory and a corresponding tempering furnace which can be used for tempering the LOW-E glass are needed to be designed.
Disclosure of Invention
The invention aims to provide a nozzle and a glass tempering furnace with the nozzle, which can be used for tempering LOW-E glass.
In order to achieve the above purpose, the embodiment of the present invention provides the following technical solutions:
the nozzle comprises a nozzle body, a gas input port, a gas transmission channel, a gas outlet, a ventilation cavity and a negative pressure input port, wherein the gas input port, the gas transmission channel, the gas outlet, the ventilation cavity and the negative pressure input port are arranged on the nozzle body;
the gas inlet, the gas transmission channel and the gas outlet are communicated in sequence to form a positive pressure passage, the negative pressure inlet, the ventilation cavity, the gas transmission channel and the gas outlet are communicated in sequence, and the negative pressure inlet and the ventilation cavity form a negative pressure passage.
The negative pressure input port is arranged on the side part of the nozzle main body;
the gas input port, the gas transmission channel and the gas outlet are sequentially arranged on the nozzle main body from top to bottom, and the ventilation cavity is arranged in the nozzle main body.
The number of the negative pressure input ports is one;
or the number of the negative pressure input ports is more than two and the negative pressure input ports are arranged on the nozzle main body at intervals along the circumferential direction.
The gas transmission channel comprises a first sub-channel, a second sub-channel and a third sub-channel which are connected in sequence;
the diameter of the first sub-channel is larger than that of the second sub-channel;
the diameter of the third sub-channel is larger than that of the second sub-channel;
the ventilation cavity is connected between the output end of the second sub-channel and the input end of the third sub-channel, the gas input port is connected with the input end of the first sub-channel, and the gas outlet is connected with the output end of the third sub-channel.
The nozzle main body comprises a spray head, an inner nozzle arranged in the spray head and a connecting seat arranged on the spray head;
the first sub-channel and the gas inlet are arranged on the connecting seat;
the second sub-channel is arranged at the inner mouth;
the third sub-channel, the air outlet, the ventilation cavity and the negative pressure input port are arranged on the spray head, and the third sub-channel is connected to the lower portion of the ventilation cavity.
The connecting seat is arranged at the upper part of the spray head, and the inner nozzle and the third sub-channel are arranged at intervals.
The nozzle is provided with a mounting hole corresponding to the inner nozzle and connected to the upper part of the ventilation cavity, and the inner nozzle is embedded in the mounting hole.
The glass tempering furnace comprises a furnace body, an air inlet pipe, an object placing part, the nozzle and the heater, wherein the object placing part is arranged in the furnace body and used for placing glass;
the nozzle is arranged above the object placing part, the heater is arranged on the side part of the nozzle, and the air inlet pipe is connected with the gas inlet.
The heater is located above the nozzle.
The invention has the following beneficial effects:
the nozzle and the glass tempering furnace with the nozzle can be used for tempering LOW-E glass and locally and forcibly heating the LOW-E glass.
Drawings
Fig. 1 is a schematic structural diagram of a nozzle according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a nozzle according to an embodiment of the invention.
FIG. 3 is a cross-sectional view of a nozzle in accordance with one embodiment of the present invention.
FIG. 4 is a schematic structural view of a glass tempering furnace according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Referring to fig. 1-4, the nozzle comprises a nozzle body 1, a gas input port 2 arranged on the nozzle body 1, a gas transmission channel 3, a gas outlet 4, a ventilation cavity 5 and a negative pressure input port 6;
the gas inlet 2, the gas transmission channel 3 and the gas outlet 4 are sequentially communicated to form a positive pressure passage, the negative pressure inlet 6, the ventilation cavity 5, the gas transmission channel 3 and the gas outlet 4 are sequentially communicated, and the negative pressure inlet 6 and the ventilation cavity 5 form a negative pressure passage.
When the nozzle is used, gas is input from the gas input port 2, passes through the gas transmission channel 3 and is finally output from the gas outlet 4, meanwhile, negative pressure is formed at the ventilation cavity 5 and the negative pressure input port 6, the gas outside the nozzle body 1 enters the ventilation cavity 5 through the negative pressure input port 6, then is converged into the gas transmission channel 3 and is finally output from the gas outlet 4.
Further, the negative pressure input port 6 is provided at the side of the nozzle body 1;
the gas input port 2, the gas transmission channel 3 and the gas outlet 4 are sequentially arranged on the nozzle body 1 from top to bottom, and the ventilation cavity 5 is arranged in the nozzle body 1, so that the arrangement of the gas input port 2, the gas transmission channel 3, the gas outlet 4, the ventilation cavity 5 and the negative pressure input port 6 on the nozzle body 1 is realized.
Further, the number of the negative pressure input ports 6 is one;
or, the number of the negative pressure input ports 6 is more than two and is arranged on the nozzle body 1 at intervals along the circumferential direction.
In the present embodiment, the number of the negative pressure input ports 6 is two and the negative pressure input ports are evenly distributed on the nozzle body 1 in the circumferential direction.
Further, the gas transmission channel 3 comprises a first sub-channel 7, a second sub-channel 8 and a third sub-channel 9 which are connected in sequence;
the diameter of the first sub-channel 7 is larger than that of the second sub-channel 8;
the diameter of the third sub-channel 9 is larger than that of the second sub-channel 8, which is beneficial for the gas outside the nozzle body 1 to be merged into the third sub-channel 9 of the gas transmission channel 3 through the negative pressure input port 6 and the vent cavity 5.
The ventilation cavity 5 is connected between the output end of the second sub-channel 8 and the input end of the third sub-channel 9, the gas input port 2 is connected with the input end of the first sub-channel 7, and the gas outlet port 4 is connected with the output end of the third sub-channel 9.
Further, the nozzle body 1 comprises a spray head 10, an inner nozzle 11 arranged in the spray head 10 and a connecting seat 12 arranged on the spray head 10;
the inner nozzle 11 and the connecting socket 12 may be fixed to the spray head 10 by welding.
The first sub-channel 7 and the gas inlet 2 are arranged on the connecting seat 12;
the second sub-channel 8 is arranged at the inner mouth 11;
the third sub-channel 9, the air outlet 4, the ventilation cavity 5 and the negative pressure input port 6 are arranged on the spray head 10, and the third sub-channel 9 is connected to the lower part of the ventilation cavity 5.
Further, the connecting seat 12 is disposed at the upper portion of the nozzle 10, and the inner nozzle 11 and the third sub-passage 9 are spaced apart from each other, so that the gas outside the nozzle body 1 can be introduced into the third sub-passage 9 through the negative pressure input port 6 and the vent chamber 5.
Furthermore, the nozzle 10 is provided with a mounting hole corresponding to the inner nozzle 11 and connected to the upper part of the ventilation cavity 5, the inner nozzle 11 is embedded in the mounting hole, and the mounting hole is used for positioning the inner nozzle 11.
The glass tempering furnace comprises a furnace body, an air inlet pipe 15, an object placing part 13, the nozzle and the heater 14, wherein the object placing part 13 is arranged in the furnace body and used for placing glass;
in this embodiment, the heater 14 is a heating wire, and the number of nozzles is several and the nozzles are arranged at intervals along a straight line or arranged in a rectangular array.
The nozzle is arranged above the placing part 13, the heater 14 is arranged at the side part of the nozzle, and the air inlet pipe 15 is connected with the gas inlet 2.
When the glass tempering furnace is used, LOW-E glass to be tempered is placed on the object placing part 13, when the heater 14 runs, gas in the furnace body is heated, the input end of the gas inlet pipe 15 is connected with the air compressor, the air compressor conveys compressed gas to the gas inlet pipe 15, and the compressed gas sequentially passes through the gas inlet 2 and the gas conveying channel 3 and is output from the gas outlet 4;
meanwhile, negative pressure is formed at the ventilation cavity 5 and the negative pressure input port 6, gas heated by the heater 14 at the outer side of the nozzle main body 1 enters the ventilation cavity 5 through the negative pressure input port 6, then is converged into the gas transmission channel 3 and finally is output from the gas outlet 4, so that hot gas flow output of the nozzle is realized, the hot gas flow acts on the LOW-E glass, and the toughening treatment of the LOW-E glass is realized;
the nozzle and the glass tempering furnace with the nozzle can be used for tempering LOW-E glass and locally and forcibly heating the LOW-E glass.
Further, the heater 14 is located above the nozzle, and the heater 14 is not flush with the nozzle, avoiding blocking the air flow from entering the nozzle quickly.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (9)
1. The nozzle is characterized by comprising a nozzle main body (1), a gas input port (2) arranged on the nozzle main body (1), a gas transmission channel (3), a gas outlet (4), a ventilation cavity (5) and a negative pressure input port (6);
the gas inlet (2), the gas transmission channel (3) and the gas outlet (4) are sequentially communicated to form a positive pressure passage, the negative pressure inlet (6), the ventilation cavity (5), the gas transmission channel (3) and the gas outlet (4) are sequentially communicated, and the negative pressure inlet (6) and the ventilation cavity (5) form a negative pressure passage.
2. Nozzle according to claim 1, characterized in that the negative pressure input port (6) is arranged at the side of the nozzle body (1);
the gas inlet (2), the gas transmission channel (3) and the gas outlet (4) are sequentially arranged on the nozzle main body (1) from top to bottom, and the ventilation cavity (5) is arranged in the nozzle main body (1).
3. Nozzle according to claim 1, wherein the number of negative pressure input ports (6) is one;
or more than two negative pressure input ports (6) are arranged on the nozzle body (1) at intervals along the circumferential direction.
4. Nozzle according to claim 1, wherein the gas delivery channel (3) comprises a first sub-channel (7), a second sub-channel (8) and a third sub-channel (9) connected in series;
the diameter of the first sub-channel (7) is larger than that of the second sub-channel (8);
the diameter of the third sub-channel (9) is larger than that of the second sub-channel (8);
the ventilation cavity (5) is connected between the output end of the second sub-channel (8) and the input end of the third sub-channel (9), the gas input port (2) is connected with the input end of the first sub-channel (7), and the gas outlet (4) is connected with the output end of the third sub-channel (9).
5. The nozzle according to claim 4, characterized in that the nozzle body (1) comprises a spray head (10), an inner nozzle (11) arranged in the spray head (10) and a connecting seat (12) arranged on the spray head (10);
the first sub-channel (7) and the gas inlet (2) are arranged on the connecting seat (12);
the second sub-channel (8) is arranged at the inner mouth (11);
the third sub-channel (9), the air outlet (4), the ventilation cavity (5) and the negative pressure input port (6) are arranged on the spray head (10), and the third sub-channel (9) is connected to the lower portion of the ventilation cavity (5).
6. Nozzle according to claim 5, wherein the connecting seat (12) is arranged at the upper part of the spray head (10), and the inner mouth (11) is arranged at a distance from the third sub-channel (9).
7. Nozzle according to claim 5, characterized in that the nozzle head (10) is provided with a mounting hole connected to the upper part of the venting chamber (5) in correspondence of the inner mouth (11), the inner mouth (11) being fitted in the mounting hole.
8. Glass tempering furnace, characterized in that it comprises a furnace body, an air inlet pipe (15), a placing part (13) which is arranged in the furnace body and used for placing glass, a nozzle according to any one of claims 1-7 and a heater (14);
the nozzle is arranged above the object placing part (13), the heater (14) is arranged on the side part of the nozzle, and the air inlet pipe (15) is connected with the gas inlet (2).
9. Glass tempering furnace according to claim 8, characterized in that the heater (14) is located above the nozzles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110998515.5A CN113501661A (en) | 2021-08-27 | 2021-08-27 | Nozzle and glass tempering furnace with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110998515.5A CN113501661A (en) | 2021-08-27 | 2021-08-27 | Nozzle and glass tempering furnace with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113501661A true CN113501661A (en) | 2021-10-15 |
Family
ID=78016239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110998515.5A Pending CN113501661A (en) | 2021-08-27 | 2021-08-27 | Nozzle and glass tempering furnace with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113501661A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113845299A (en) * | 2021-10-27 | 2021-12-28 | 深圳南玻应用技术有限公司 | Control method, device and equipment for matrix tuyere of tempering heating furnace |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2651249Y (en) * | 2003-07-15 | 2004-10-27 | 赵雁 | Low-radiating coated glass strengthened heating stove |
| CN204918357U (en) * | 2015-08-13 | 2015-12-30 | 佛山市索奥斯玻璃技术有限公司 | A novel air cock for toughened glass |
| CN215403833U (en) * | 2021-08-27 | 2022-01-04 | 佛山市顺德利奥达机械实业有限公司 | Nozzle and glass tempering furnace with same |
-
2021
- 2021-08-27 CN CN202110998515.5A patent/CN113501661A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2651249Y (en) * | 2003-07-15 | 2004-10-27 | 赵雁 | Low-radiating coated glass strengthened heating stove |
| CN204918357U (en) * | 2015-08-13 | 2015-12-30 | 佛山市索奥斯玻璃技术有限公司 | A novel air cock for toughened glass |
| CN215403833U (en) * | 2021-08-27 | 2022-01-04 | 佛山市顺德利奥达机械实业有限公司 | Nozzle and glass tempering furnace with same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113845299A (en) * | 2021-10-27 | 2021-12-28 | 深圳南玻应用技术有限公司 | Control method, device and equipment for matrix tuyere of tempering heating furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215403833U (en) | Nozzle and glass tempering furnace with same | |
| JPH11147730A (en) | Half convection type forced air system and tempering of coated glass having low emissivity | |
| CN1250465C (en) | Semi-convection forced ventilation system having amplified air nozzle for heating low 'E' coating glass | |
| CN113501661A (en) | Nozzle and glass tempering furnace with same | |
| GB2108252A (en) | Ceramic roller-hearth kiln with controlled combustion and cooling | |
| CN110587875A (en) | Film stretching production line oven and oven unit | |
| US3208740A (en) | Heating apparatus | |
| CN109112636A (en) | Diffusion furnace tube and diffusion furnace | |
| CN210850991U (en) | Film stretching production line oven and oven unit | |
| CN110682484A (en) | Oven device and wind channeling damping structure | |
| CN208869508U (en) | A kind of convection furnace heating device for three silver medal glass | |
| CN103951175A (en) | Rapid heating method for glass heating furnace | |
| CN211645049U (en) | Glass heating vortex convection pipe and glass convection system thereof | |
| CN2651249Y (en) | Low-radiating coated glass strengthened heating stove | |
| CN209485078U (en) | A kind of effective energy-saving type heat exchanger of gas-fired radiation | |
| CN208542504U (en) | Wide plate production line return air blowing system | |
| CN210464085U (en) | Protective atmosphere preheating device of energy-saving sintering furnace | |
| CN203754588U (en) | Fan forced-heating convection structure with flow guide cover | |
| CN105236715A (en) | Air-discharge convection apparatus for processing LOW-E glass toughening furnace | |
| CN205710885U (en) | The device of stable alloy stove in-furnace temperature | |
| CN211078902U (en) | Glass heating vortex gas circuit system | |
| CN220129745U (en) | Screen printing dryer and circulation heating system | |
| CN112923723B (en) | Atmosphere pushing plate furnace muffle furnace tube structure | |
| CN222007607U (en) | In-furnace convection device of glass tempering heating furnace with L-shaped air ejector tube | |
| CN217077395U (en) | Heating furnace convection device capable of heating uniformly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |