CN209853986U - Through type spray quenching tempering device - Google Patents
Through type spray quenching tempering device Download PDFInfo
- Publication number
- CN209853986U CN209853986U CN201920398652.3U CN201920398652U CN209853986U CN 209853986 U CN209853986 U CN 209853986U CN 201920398652 U CN201920398652 U CN 201920398652U CN 209853986 U CN209853986 U CN 209853986U
- Authority
- CN
- China
- Prior art keywords
- flow distributor
- air
- gas
- atomizing nozzle
- heating furnace
- 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.)
- Active
Links
Abstract
The utility model provides a through type spray quenching tempering device, includes air grid, spray cooling system, heating furnace, roll table, the air grid is the symmetry setting in vertical direction, spray cooling system includes pressure reducer, gas pitcher, water pitcher, air pump, atomizing nozzle, gas flow control valve, liquid flow control valve, flow distributor symmetry setting in vertical direction, air grid, flow distributor symmetry center line correspond with the heating furnace entry, the roll table is evenly distributed on the horizontal direction, the roll table passes air grid, flow distributor, heating furnace in proper order, flow distributor inboard has a plurality of atomizing nozzle, atomizing nozzle evenly distributed is on flow distributor, atomizing nozzle is pneumatic atomizing nozzle, atomizing nozzle spraying particle size is less than 50 microns.
Description
Technical Field
The utility model relates to a glass tempering field especially relates to a through type spray quenching tempering device.
Background
At present, plate glass toughening equipment adopts an air cooling mode, and a pressurizing air grid is adopted in the toughening process of common plate glass with the thickness of less than 6 mm so as to meet the requirement of rapidly cooling the glass in the initial quenching process. The booster air grid is positioned between the outlet of the heating furnace and the quenching air grid, the used fan is a booster fan, the fan is usually large in model selection power in order to meet the requirements of different glass thicknesses in production, frequency conversion control is adopted, and the fan is usually deviated from the fan design point in actual work, so that the booster fan is large in energy consumption and serious in noise pollution in the production process.
The heat capacity of water is 4 times of that of air, the density of water is about 1000 times of that of air, and the water can be vaporized in the quenching process, so that the latent heat of vaporization is very large, the volume consumption of water is greatly reduced compared with the consumption of air, and the energy consumption in the cooling working medium conveying process is reduced. And water is liquid, and pneumatic noise is hardly generated in the spraying process. According to research, utility model CN202671403U discloses a method of adding water mist into a plenum chamber; the utility model CN204298242U discloses a way of adding water mist in the pipeline connecting the static pressure box and the air grid; patents CN107056036A and CN106746549A disclose different methods for applying spray in a wind grid, respectively. The method is characterized in that water mist is distributed in the air to form two-phase flow, but when the water mist in the two-phase flow flows in a complex channel, the water mist can be adhered to the wall surface, so that the water mist quantity in the two-phase flow is reduced, meanwhile, the water mist adhered to the wall surface can form water drops and gather, particularly, the water drops gathered in the air grid can be brought out by the air flow when flowing through the air grid nozzle, the brought water drops can be atomized by the shearing action of the air flow, the atomization effect is poor, the particle size is large, the uniformity of the water mist is influenced, and the glass can be exploded in the quenching process. Utility model CN203095866U has announced the air grid with pneumatic atomizing nozzle as the unit, but has not given concrete working method, and a large amount of air grid nozzles are arranged on a plane, and each nozzle all can influence holistic even for the probability that glass explodes splits improves.
SUMMERY OF THE UTILITY MODEL
The utility model provides a through type spray quenching tempering device which reduces the probability of glass cracking aiming at the defects existing in the prior art.
The utility model aims at realizing through the following technical scheme:
the utility model provides a through type spray quenching tempering device, includes air grid, spray cooling system, heating furnace, roll table, the air grid is the symmetry setting in vertical direction, spray cooling system includes pressure reducer, gas pitcher, water pitcher, air pump, atomizing nozzle, gas flow control valve, liquid flow control valve, flow distributor is the symmetry setting in vertical direction, air grid, flow distributor symmetry central line correspond with the heating furnace entry, the roll table is evenly distributed on the horizontal direction, the roll table passes air grid, flow distributor, heating furnace in proper order, flow distributor inboard has a plurality of atomizing nozzle, atomizing nozzle evenly distributed is on flow distributor, atomizing nozzle is pneumatic atomizing nozzle, atomizing nozzle spraying particle diameter is less than 50 microns, flow distributor inside has gas pipeline and liquid pipeline, the gas pipeline and the liquid pipeline are respectively connected with each atomizing nozzle.
The flow distributor passes through gas delivery line and connects the gas pitcher, gas pitcher lower part exit linkage gas flow control valve, flow distributor passes through liquid delivery line and connects the water pitcher, water pitcher lower part exit linkage liquid flow control valve, and the gas pitcher passes through the decompression pipeline and connects the water pitcher, and decompression pipeline middle part has the pressure reducer, the air pump is connected on gas pitcher upper portion.
Has the advantages that:
this application adopts the spray cooling system that atomizing nozzle and supply apparatus that one set of single row arranged constitute to replace pressure boost air grid system, carries out the initial stage quenching to glass, has reduced the atomizing nozzle number, has reduced the glass that the spraying maldistribution leads to and has exploded the probability of splitting. The medium of the spraying system is common water, and the hot melting and vaporization latent heat of the water is far greater than that of gas with the same volume, so the using amount is small, the medium conveying can be realized by adopting a 0.8-1.0 MP air pump, and the energy consumption and the noise pollution are reduced. Two rows of atomizing nozzles 9 are symmetrically arranged up and down at a certain distance from the outlet of the heating furnace 3, the atomizing nozzles spray oppositely, and the intersecting plane of the fog torches sprayed by the atomizing nozzles is positioned at the center of the thickness of the glass. The atomizing nozzle is a pneumatic atomizing nozzle, air and water are mixed in the atomizing nozzle and then sprayed out, and the average particle size of the spray torch is less than 50 microns, so that the requirements on cooling uniformity and cooling rate can be met. The atomizing nozzles are mounted on a flow distributor which distributes the supplied air and water evenly to each atomizing nozzle. The flow distributor is respectively connected with the gas tank and the water tank, and the gas tank is connected with the gas pump. The output pressure of the air pump is about 1.0MPa, so that air required by the atomizing nozzle is provided for the air tank, and the required pressure is provided for the water tank. A pressure reducer is installed at the outlet of the gas tank and used for adjusting the supply pressure. And a gas flow regulating valve is arranged on an outlet pipeline of the gas tank and used for regulating the required air flow. The outlet pipeline of the water tank is provided with a liquid flow regulating valve for regulating the flow of the required water. The gas flow regulating valve and the liquid flow regulating valve can regulate the gas-water ratio, and the spraying effect meeting the cooling requirement is realized.
The atomizing nozzle is a pneumatic atomizing nozzle, is supplied according to the gas-liquid mass ratio of 1: 10, and can meet the requirement that the spray particle size is less than 50 microns. The gas in the atomizing nozzle not only plays a role in enhancing the atomizing effect, but also can accelerate the steam generated by the evaporation of the discharged liquid drops near the glass surface, thereby improving the heat exchange effect. And a gas pipeline and a liquid pipeline are arranged in the flow distributor, and the gas pipeline and the liquid pipeline are respectively connected with each atomizing nozzle to provide required air and water for the atomizing nozzles. The gas pitcher is used for storing the air, and the air is as the required atomizing gas of atomizing nozzle, and the gas pitcher has the effect of steady pressure simultaneously, provides stable pressure for the water pitcher, guarantees the supply of the required water of atomizing nozzle. The air pump supplements consumed air for the air tank, and ensures that the pressure of the air tank is maintained at a high level. The glass is heated to be nearly 600 ℃ in the heating furnace, then is conveyed to the outlet of the heating furnace through the roller way, the fog torch of the spray cooling system is formed at the moment, and then the glass is conveyed out of the heating furnace through the roller way and is initially quenched through a fog torch area. In the spray quenching process, the surface temperature of the quenched part of the glass is rapidly reduced, the average quenching temperature of the glass is reduced by 200-300 ℃ after spray quenching, and the average temperature is reduced less when the thickness is larger. Under the conveying of the roller way, the part of the glass after the initial spray quenching enters the air grid cooling area, and the temperature of the glass in the air grid cooling area is finally reduced to about 50 ℃, so that the whole toughening process is completed.
Drawings
Fig. 1 is a schematic structural view of a through type spray quenching tempering device of the present invention.
Fig. 2 is a schematic structural diagram of the spray cooling system of the present invention.
The device comprises an air grid 1, a spray cooling system 2, a heating furnace 3, a roller table 4, a pressure reducer 5, an air tank 6, a water tank 7, an air pump 8, an atomizing nozzle 9, an air flow regulating valve 10, a liquid flow regulating valve 11 and a flow distributor 12.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples:
a through type spray quenching tempering device comprises an air grid 1, a spray cooling system 2, a heating furnace 3 and a roller way 4, wherein the air grid 1 is symmetrically arranged in the vertical direction, the spray cooling system 2 comprises a pressure reducer 5, an air tank 6, a water tank 7, an air pump 8, an atomizing nozzle 9, an air flow regulating valve 10, a liquid flow regulating valve 11 and a flow distributor 12, the flow distributor 12 is symmetrically arranged in the vertical direction, the symmetrical center line of the air grid 1 and the flow distributor 12 corresponds to the inlet of the heating furnace 3, the roller way 4 is uniformly distributed in the horizontal direction, the roller way 4 sequentially penetrates through the air grid 1, the flow distributor 12 and the heating furnace 3, a plurality of atomizing nozzles 9 are arranged inside the flow distributor 12, the atomizing nozzles 9 are uniformly distributed on the flow distributor 12, the atomizing nozzles 9 are pneumatic atomizing nozzles, the atomizing nozzles 9 supply a spray gas-liquid mass ratio of 1: 10, the atomizing nozzles 9 spray particles with the particle size smaller than 50 microns, and the flow distributor 12 is internally provided with a gas pipeline and a liquid pipeline which are respectively connected with each atomizing nozzle 9.
Flow distributor 12 passes through gas delivery line and connects gas pitcher 6, 6 lower part exit linkage gas flow control valve 10 of gas pitcher, flow distributor 12 passes through liquid delivery line and connects water pitcher 7, 7 lower part exit linkage liquid flow control valve 11 of water pitcher, 6 water pitchers 7 through the pressure reduction line connection, pressure reduction line middle part has pressure reducer 5, air pump 8 is connected on 6 upper portions of gas pitcher.
This application adopts the atomizing nozzle 9 that a set of single row arranged and the spray cooling system 2 that supply apparatus constitutes to replace the pressure boost air grid system, carries out initial stage rapid cooling to glass, has reduced 9 numbers of atomizing nozzle, has reduced the glass that the spraying maldistribution leads to and has exploded the probability of splitting. The medium of the spraying system is common water, and the hot melting and vaporization latent heat of the water is far greater than that of gas with the same volume, so the using amount is small, the medium conveying can be realized by adopting a 0.8-1.0 MP air pump, and the energy consumption and the noise pollution are reduced. Two rows of atomizing nozzles 9 are symmetrically arranged up and down at a certain distance from the outlet of the heating furnace 3, the atomizing nozzles 9 spray oppositely, and the intersecting plane of the fog torches sprayed by the atomizing nozzles 9 is positioned at the center of the thickness of the glass. The atomizing nozzle 9 is a pneumatic atomizing nozzle, air and water are mixed in the atomizing nozzle 9 and then sprayed out, and the average particle size of the spray torch is less than 50 microns, so that the requirements on cooling uniformity and cooling rate can be met. The atomizing nozzles 9 are mounted on a flow distributor 12, and the flow distributor 12 distributes the supplied air and water uniformly to each atomizing nozzle 9. The flow distributor 12 is connected to the gas tank 6 and the water tank 7, respectively, and the gas tank 6 is connected to the air pump 8. The output pressure of the air pump 8 is about 1.0MPa, so that air required by the atomizing nozzle 9 is provided for the air tank 6, and the required pressure is provided for the water tank 7. A pressure reducer is installed at the outlet of the gas tank 6 for adjusting the supply pressure. And a gas flow regulating valve 10 is arranged on an outlet pipeline of the gas tank 6 and used for regulating the required air flow. A liquid flow regulating valve 11 is arranged on an outlet pipeline of the water tank 7 and used for regulating the flow of the required water. The gas flow regulating valve 10 and the liquid flow regulating valve 11 can regulate the gas-water ratio, and the spraying effect meeting the cooling requirement is realized.
The atomizing nozzle 9 is a pneumatic atomizing nozzle, is supplied according to the gas-liquid mass ratio of 1: 10, and can meet the requirement that the spray particle size is less than 50 microns. The gas in the atomizing nozzle not only plays a role in enhancing the atomizing effect, but also can accelerate the steam generated by the evaporation of the discharged liquid drops near the glass surface, thereby improving the heat exchange effect. A gas line and a liquid line are arranged in the flow distributor 12, and the gas line and the liquid line are respectively connected with each atomizing nozzle 9 to provide air and water for the atomizing nozzles 9. The air tank 6 is used for storing air, the air is used as atomizing air required by the atomizing nozzle 9, and meanwhile, the air tank has the function of stabilizing pressure, so that stable pressure is provided for the water tank 7, and the supply of water required by the atomizing nozzle 9 is ensured. The air pump 8 supplements the air tank 6 with the consumed air, ensuring that the tank pressure is maintained at a high level. The glass is heated to a temperature close to 600 ℃ in the heating furnace 3, then is conveyed to the outlet of the heating furnace 3 through the roller way 4, the fog torch of the spray cooling system 2 is formed at the moment, and then the glass is conveyed out of the heating furnace 3 through the roller way 4 and is initially quenched through a fog torch area. In the spray quenching process, the surface temperature of the quenched part of the glass is rapidly reduced, the average quenching temperature of the glass is reduced by 200-300 ℃ after spray quenching, and the average temperature is reduced less when the thickness is larger. Under the conveying of the roller way 4, the part of the glass after the initial spray quenching enters the cooling area of the air grid 1, and the temperature of the glass in the cooling area of the air grid is finally reduced to about 50 ℃, so that the whole toughening process is completed. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
A method for operating a pass-type spray quenching tempering device comprises the following steps:
1. the glass is heated to the temperature close to 600 ℃ in the heating furnace 3 and then is conveyed to the outlet of the heating furnace 3 by the roller table 4;
2. two rows of atomizing nozzles 9 are symmetrically arranged at the outlet from the heating furnace 3 up and down, the atomizing nozzles spray oppositely, and the intersecting plane of the fog torches sprayed by the atomizing nozzles is positioned at the center of the thickness of the glass; the atomizing nozzle is a pneumatic atomizing nozzle, air and water are mixed in the atomizing nozzle and then sprayed out, and the average particle size of the spray torch is less than 50 microns, so that the requirements on cooling uniformity and cooling rate can be met; the atomizing nozzles are arranged on a flow distributor, and the flow distributor is used for uniformly distributing supplied air and water to each atomizing nozzle; carrying out initial quenching on the glass by a spray cooling system 2, wherein the average temperature of the glass is reduced by 200-300 ℃;
3. under the conveying of the roller way 4, the air grid 1 after the initial spray quenching enters a cooling area of the air grid 1, and the average temperature of the glass is reduced to about 50 ℃.
Claims (2)
1. A through type spray quenching tempering device is characterized by comprising air grids, a spray cooling system, a heating furnace and a roller way, wherein the air grids are symmetrically arranged in the vertical direction, the spray cooling system comprises a pressure reducer, an air tank, a water tank, an air pump, an atomizing nozzle, an air flow regulating valve, a liquid flow regulating valve and a flow distributor, the flow distributor is symmetrically arranged in the vertical direction, the symmetrical center lines of the air grids and the flow distributor correspond to an inlet of the heating furnace, the roller way is uniformly distributed in the horizontal direction, the roller way sequentially penetrates through the air grids, the flow distributor and the heating furnace, a plurality of atomizing nozzles are arranged on the inner side of the flow distributor, the atomizing nozzles are uniformly distributed on the flow distributor, the atomizing nozzles are pneumatic atomizing nozzles, the spraying particle size of the atomizing nozzles is smaller than 50 micrometers, and a gas pipeline and a liquid pipeline are arranged in the flow distributor, the gas pipeline and the liquid pipeline are respectively connected with each atomizing nozzle.
2. A pass-through spray quenching tempering device as claimed in claim 1, wherein said flow distributor is connected to a gas tank through a gas delivery line, a gas flow regulating valve is connected to a lower outlet of said gas tank, said flow distributor is connected to a water tank through a liquid delivery line, a liquid flow regulating valve is connected to a lower outlet of said water tank, said gas tank is connected to said water tank through a pressure reducing line, a pressure reducer is provided in the middle of said pressure reducing line, and an air pump is connected to the upper part of said gas tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920398652.3U CN209853986U (en) | 2019-03-27 | 2019-03-27 | Through type spray quenching tempering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920398652.3U CN209853986U (en) | 2019-03-27 | 2019-03-27 | Through type spray quenching tempering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209853986U true CN209853986U (en) | 2019-12-27 |
Family
ID=68935469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920398652.3U Active CN209853986U (en) | 2019-03-27 | 2019-03-27 | Through type spray quenching tempering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209853986U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109867437A (en) * | 2019-03-27 | 2019-06-11 | 天津泓雅节能科技有限责任公司 | One kind being sprayed quenching tempering device and operating method by formula |
-
2019
- 2019-03-27 CN CN201920398652.3U patent/CN209853986U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109867437A (en) * | 2019-03-27 | 2019-06-11 | 天津泓雅节能科技有限责任公司 | One kind being sprayed quenching tempering device and operating method by formula |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209853986U (en) | Through type spray quenching tempering device | |
| CN201346566Y (en) | Medium plate control cooling side spraying system | |
| CN109867437A (en) | One kind being sprayed quenching tempering device and operating method by formula | |
| CN101456040A (en) | Side spraying system capable for controlled cooling of medium plate | |
| CN110787766A (en) | Tower type reaction device and process for preparing fatty acid butyl ester | |
| CN201402068Y (en) | Stuffing-free cyclone induced-air wall-flow-free cooling tower | |
| CN111394567A (en) | Air water mist cooling system for strip continuous annealing and control method | |
| CN209953108U (en) | Thermal transfer ribbon coating device | |
| CN204569977U (en) | A kind of atomization gas quenching device | |
| CN109603451A (en) | A kind of flue gas purification device | |
| CN113182108B (en) | Herbal extract atomization method and atomization device | |
| CN203342399U (en) | Shower nozzle type spray distributor for falling film evaporator | |
| CN106091722A (en) | A kind of plant condenser moisturizing atomization system | |
| CN114345233B (en) | Spray granulation device and atomization method suitable for high-concentration calcium chloride solution | |
| CN203095866U (en) | Air grid for toughened thin glass | |
| CN204329646U (en) | For the spray cooling system of cleaner | |
| CN101614487B (en) | Peak cooling device for air cooling condenser | |
| CN105219446B (en) | Comprehensive water/gas mixed Quench injection apparatus | |
| CN201255604Y (en) | Vortex wind induction atomized spray nozzle | |
| CN111440941A (en) | Air water mist spraying cooling device for continuous annealing and cooling of strip | |
| CN203855530U (en) | Gamma-polyglutamic acid electrostatic atomization device | |
| CN217585403U (en) | Coke oven flue gas temperature regulating device | |
| CN216964155U (en) | Chain boiler urea directly spouts denitrification facility | |
| CN205732312U (en) | Automatic atomising spraying cooling temperature regulating device | |
| CN217140325U (en) | Efficient dimethyl oxalate gasification and high-temperature hydrogen uniform mixing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |