CN202576217U - Full-convection-type glass heating furnace - Google Patents
Full-convection-type glass heating furnace Download PDFInfo
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- CN202576217U CN202576217U CN 201220184436 CN201220184436U CN202576217U CN 202576217 U CN202576217 U CN 202576217U CN 201220184436 CN201220184436 CN 201220184436 CN 201220184436 U CN201220184436 U CN 201220184436U CN 202576217 U CN202576217 U CN 202576217U
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Abstract
The utility model discloses a full-convection-type glass heating furnace. The heating furnace comprises a furnace cavity, wherein the furnace cavity is provided with a furnace inlet and a furnace outlet; a glass plate conveying device is arranged in the furnace cavity; convection boxes are arranged above the conveying device; a glass plate radiation heating device is arranged below the conveying device; a plurality of convection pipes are also uniformly distributed below the conveying device; air is input into the lower part of the furnace cavity by utilizing the convection pipes; and the lower surface of the glass plate is heated by a high-temperature air flow formed by mixing the input air and the atmosphere heated by the radiation heating device in the lower part of the furnace cavity, so that the lower surface of the glass plate is heated by radiation and convection at the same time. According to the glass heating furnace provided by the utility model, the convection pipes are arranged on the lower part of the furnace cavity, so that the convection heating of the lower surface of the glass plate is reinforced, and the lower surface of the glass plate is heated uniformly and efficiently.
Description
Technical field
The utility model relates to a kind of glass heats stove, especially a kind of full convection type glass heats stove.
Background technology
The structure of existing convection type glass heats stove is as shown in fig. 1; Comprise upper furnace body 2 and lower furnace body 1; The furnace chamber two ends are provided with into fire door 3 and plug for outlet 4; Be provided with in the furnace chamber and be used for sheet glass 100 from advancing the e Foerderanlage 5 that fire door 3 transfers to plug for outlet 4, the top of e Foerderanlage 5 is arranged with convection current case 6, and e Foerderanlage 5 belows are provided with radiant heating device 7.In furnace chamber, the upper surface of sheet glass 100 carries out convective heating by the high-temperature gas of convection current case 6 ejections, and the lower surface of sheet glass 100 then carries out the thermal radiation heating by radiant heating device 7.
Because the lower surface of sheet glass 100 is when receiving radiation heating; Also receive the thermal conduction heating of ceramic roller; Even if ceramic roller drives the sheet glass reciprocally swinging all the time or moves to the plug for outlet direction; The sheet glass lower surface uneven defective of also still being heated influences the heating quality of sheet glass thus.
The utility model content
Problem to the prior art existence; The purpose of the utility model is to provide a kind of full convection type glass heats stove; This process furnace makes the sheet glass lower surface when receiving radiation heating through setting up convection tubes below the glass sheets device in furnace chamber, also receives convective heating; Thereby it is more even that it is heated, and improves the heating quality of sheet glass.
For realizing above-mentioned purpose; The full convection type glass heats of the utility model stove; Comprise furnace chamber, the two ends of furnace chamber are provided with into fire door and plug for outlet, are provided with in the furnace chamber to be used for sheet glass is advanced the e Foerderanlage that fire door is delivered to said plug for outlet by said; The e Foerderanlage top is provided with some convection current casees that are used for heating glass plate, and the e Foerderanlage below is provided with the sheet glass radiant heating device; Said e Foerderanlage below also is evenly equipped with some convection tubess; Be evenly equipped with several air outlets on the convection tubes; Utilize said convection tubes to furnace chamber bottom input air; And the air of input is heated the sheet glass lower surface with furnace chamber bottom formed high temperature gas flow after the atmosphere of said radiant heating device heating is mixed, thereby make the sheet glass lower surface receive radiation heating and convective heating simultaneously.
Further, said some convection tubess are along sheet glass direct of travel spaced set, perhaps perpendicular to sheet glass direct of travel spaced set.
Further, said convection tubes is arranged between said radiant heating device and the said sheet glass, perhaps is arranged on the radiant heating device below.
Further, the air outlet on the said convection tubes is provided with towards the sheet glass lower surface, the air of air outlet ejection with furnace chamber in atmosphere carry out blended simultaneously, also the mixed high-temperature atmosphere of boosting forms the convective heating air-flow that flows to the sheet glass lower surface.
Further, be provided with valve on the every said convection tubes, the gas vol of convection tubes ejection regulated, with the convective heating intensity of control the sheet glass lower surface through this valve.
Further, supporting independently blower fan and the heating unit of being provided with of said convection current case, said blower fan is installed on the top or outer side wall of said heating furnace body.
A kind of full convection type glass heats stove; Comprise furnace chamber; The two ends of furnace chamber are provided with into fire door and plug for outlet; Be provided with in the furnace chamber and be used for sheet glass is advanced the e Foerderanlage that fire door is delivered to said plug for outlet by said, the e Foerderanlage below is provided with some convection current casees that are used for heating glass plate, and the e Foerderanlage top is provided with the sheet glass radiant heating device; Said e Foerderanlage top also is evenly equipped with some convection tubess; Be evenly equipped with several air outlets on the convection tubes; Utilize said convection tubes to furnace chamber top input air; And the air of input is heated the sheet glass upper surface with furnace chamber top formed high temperature gas flow after the atmosphere of said radiant heating device heating is mixed, thereby make the sheet glass upper surface receive radiation heating and convective heating simultaneously.
Further, said some convection tubess are along sheet glass direct of travel spaced set, perhaps perpendicular to sheet glass direct of travel spaced set; Said convection tubes is arranged between said radiant heating device and the said sheet glass, perhaps is arranged on the radiant heating device top.
Further, the air outlet on the said convection tubes is provided with towards the sheet glass upper surface, the air of air outlet ejection with furnace chamber in atmosphere carry out blended simultaneously, also the mixed high-temperature atmosphere of boosting forms the convective heating air-flow that flows to the sheet glass upper surface.
Further, be provided with valve on the every said convection tubes, the gas vol of convection tubes ejection regulated, with the convective heating intensity of control the sheet glass lower surface through this valve.
Full convection type glass heats stove in the utility model heats the sheet glass upper surface through some convection current casees that are matrix form or run-in index arrangement are set in furnace chamber; And supporting independently blower fan and the heating unit of being provided with of each convection current case, make to sheet glass to add thermal control more reliable.After the furnace chamber bottom is provided with convection tubes; Through convection tubes to furnace chamber bottom input air; And the air of input is heated to the sheet glass lower surface with furnace chamber bottom formed high temperature gas flow after the atmosphere of radiant heating device heating is mixed; Thereby make the sheet glass lower surface receive radiation heating and convective heating simultaneously, and make being heated of sheet glass lower surface more even thus.
In addition, along with of the stirring of institute's input air, also make the temperature distribution of atmosphere in the furnace chamber more even to atmosphere in the furnace chamber.And, through the spread pattern of adjustment bottom convection tubes, and each convection tubes opened and closed separately and air flow control, can reach the convection current subregion thinner to the furnace chamber bottom, realize the flexible control of heating region, Heating temperature.
Description of drawings
Fig. 1 is a convection type glass heats furnace structure synoptic diagram in the prior art;
Fig. 2 is embodiment 1 a full convection type glass heats furnace structure synoptic diagram;
Fig. 3 is that convection tubes is arranged synoptic diagram among Fig. 2;
Fig. 4 is embodiment 2 full convection type glass heats furnace structure synoptic diagram;
Fig. 5 is that convection tubes is arranged synoptic diagram among Fig. 4;
Fig. 6 is embodiment 3 full convection type glass heats furnace structure synoptic diagram;
Fig. 7 is embodiment 4 full convection type glass heats furnace structure synoptic diagram;
Fig. 8 is embodiment 5 full convection type glass heats furnace structure synoptic diagram.
Embodiment
Embodiment 1
As shown in Figure 2; The full convection type glass heats of the utility model stove comprises the furnace chamber that upper furnace body 2 and lower furnace body 1 are formed; The both sides of furnace chamber are respectively arranged with into fire door 3 and plug for outlet 4, in furnace chamber, also are provided with to be used for sheet glass 100 from advancing the e Foerderanlage 5 that fire door 3 transfers to plug for outlet 4.Above e Foerderanlage 5; It is the convection current case 6 that is used for that is provided with several sealed in the upper furnace body 2 to the heating of sheet glass 100 upper surfaces; Below glass sheets device 5, be provided with thermal radiation heating unit 7; Between thermal radiation heating unit 7 and e Foerderanlage 5,100 setpoint distance places are provided with some convection tubess 10 apart from sheet glass.Wherein, Several convection current casees 6 are matrix form or block form is arranged in the upper furnace body 2 of conveyer 5 tops; Each convection current case 6 is provided with independently heating unit and is used to make that gases carry out round-robin blower fan 9 with the interior inter gas of body of heater in the convection current case 6, and blower fan 9 is arranged on the outside of body of heater roof.But the convective heating wind-force intensity and the temperature that have arbitrary region in the convection current case 6 flexible bodies of heater of blower fan independently 9 and heating unit through use.The radiant heating device 7 that is arranged on e Foerderanlage 5 belows is used for sheet glass 100 lower surfaces are heated; Radiant heating device 7 can be electrical heating wire, electric heating tube, flame heating radiator tube etc.; Radiant heating device 7 when sheet glass 100 is heated, the air between also raise itself and the sheet glass 100.Like Fig. 2, shown in 3; The axis normal of some convection tubess 10 is arranged in the lower furnace body 1 in the direct of travel of sheet glass 100; Each convection tubes 10 is provided with several air outlets; Gas inlet place at each convection tubes 10 is provided with valve 11, and convection tubes 10 links to each other through external pipe 12 air supply device 13 outside with being arranged on furnace chamber.
During work, sheet glass 100 enters into furnace chamber by advancing fire door 3, and moves in furnace chamber through e Foerderanlage 5, and process furnace is shifted out by plug for outlet 4 in the heating back.Sheet glass 100 in body of heater, advance or the stop process in, the gas after convection current case 6 will heat sprays to the upper surface of sheet glass 100, and with in the upper furnace body 2 refrigerative gas inhale back, again by convection current case 6 ejection, sheet glass 100 is carried out convective heating after the heating.The radiant heating device 7 that is arranged on e Foerderanlage 5 belows is through thermal-radiating mode, from heating in the face of sheet glass 100 lower surfaces down.Meanwhile; Air supply device 13 fresh cold air that furnace chamber is outside is sent in each convection tubes 10 through valve 11 through external pipe 12, and through being arranged on the air outlet ejection on the convection tubes 10, the gas in the lower furnace body 1 is carried out disturbance; Mix each several part air in the lower furnace body 1; Make in lower furnace body 1 stove atmosphere temperature of each several part more even, and then carry furnace high-temperature gas and blow to sheet glass 100 lower surfaces, realize convection current and radiation heating simultaneously glass pane surface.This type of heating make sheet glass 100 lower surface be heated more evenly, do not have temperature head.Through the switching or the flow size of regulating 11 valves, can regulate convective heating intensity through the switching of control convection tubes or the size of convection tubes amount of ejection gas when opening.
This is identical for full convection type glass heats furnace foundation among the structure of the full convection type glass heats stove in the present embodiment and mode of operation and the embodiment 1.Its difference is that like Fig. 4, shown in 5, the decoration form of the convection tubes 10 in some convection tubess 10 is that its parallel axes is in the direct of travel of sheet glass 100 in process furnace.The quantity of the convection tubes 10 that this decoration form can be opened according to the width adjustment of institute's heated glass plate 100 is big or small with flow, is easier to feed glass limit portion heats.
Embodiment 3
This is identical for full convection type glass heats furnace foundation in the structure of the full convection type glass heats stove in the present embodiment and mode of operation and embodiment 1 or 2.Its difference is that as shown in Figure 6, convection tubes 10 is arranged on radiant heating device 7 back to sheet glass 100 1 sides, and promptly convection tubes 10 is arranged on the below of radiant heating device 7.
Embodiment 4
This is identical for full convection type glass heats furnace foundation in the structure of the full convection type glass heats stove in the present embodiment and mode of operation and embodiment 1 or 2 or 3.Its difference is that as shown in Figure 7, convection tubes 10 is arranged in the upper furnace body 2 of e Foerderanlage 5 tops with radiant heating device 7, is used for the upper surface of sheet glass 100 is heated; Some convection current casees 6 are arranged in the lower furnace body 1, are used for the lower surface of sheet glass 100 is heated.
This is identical for full convection type glass heats furnace foundation in the structure of the full convection type glass heats stove in the present embodiment and mode of operation and embodiment 1 or 2 or 3 or 4.Its difference is that as shown in Figure 8, the blower fan 9 of each convection current case 6 configuration all is arranged on the sidewall of the furnace body.
Full convection type glass heats stove in the utility model; One side of sheet glass 100 used a surface that is arranged in the furnace chamber, is 6 pairs of sheet glass 100 of convection current case that matrix form or block form arrange heat; Convection current case 6 carries out air cycle in the furnace chamber through its blower fan 9; Cooled air in the furnace chamber is drawn in the convection current case 6, sprays to the surface of sheet glass 100 after the heating; Warm air, is inhaled in the convection current case 6 after the cooling sheet glass 100 heating once more.Through air in the recycle furnace chamber sheet glass 100 is heated; And each convection current case 6 all is equipped with the heating unit and the blower fan 9 of independent regulation and control; This set mode can be set the quantity of the convection current case of opening 6 according to the size of sheet glass; Also can be according to demand, the rotating speed of subregion adjustment convection current case 6 corresponding blower fans 9 with (or) the heating unit output rating with control spray gas pressure, flow and (or) temperature.Heating to sheet glass 100 is controlled, and makes the adjustment of the AT that blown out by convection current case 6, air pressure more accurately reliable.Another surface of sheet glass 100; Through the some convection tubess 10 of employing being set and the stove outer air being introduced; In radiation heating, the air after the heating is carried out disturbance, formed high temperature gas flow heats the sheet glass lower surface after the atmosphere of radiant heating device heating is mixed, the type of heating that combines through radiation and convection current; Make that the AT after radiant heating device 7 heating is more even, the sheet glass homogeneous more that is heated.It should be noted that convection tubes 10 effects are to mix the intravital high temperature air of its place stove, and the mixed high-temperature atmosphere of boosting forms the convective heating air-flow that flows to the sheet glass lower surface.In addition, every convection tubes 10 can independently be controlled open and close through the valve on it, and its spread pattern can reach thinner convection current subregion, the flexible control of realization type of heating.And can be according to the heating needs, the conveying of the air source of the gas through cutting off convection tubes 10 realizes the semi-convection type of heating of convection current and radiation heating.
Claims (10)
1. full convection type glass heats stove; Comprise furnace chamber; The two ends of furnace chamber are provided with into fire door and plug for outlet; Be provided with in the furnace chamber and be used for sheet glass is advanced the e Foerderanlage that fire door is delivered to said plug for outlet by said, the e Foerderanlage top is provided with some convection current casees that are used for heating glass plate, and the e Foerderanlage below is provided with the sheet glass radiant heating device; It is characterized in that; Said e Foerderanlage below also is evenly equipped with some convection tubess; Be evenly equipped with several air outlets on the convection tubes; Utilize said convection tubes to furnace chamber bottom input air, and the air of input is heated the sheet glass lower surface with furnace chamber bottom formed high temperature gas flow after the atmosphere of said radiant heating device heating is mixed, thereby make the sheet glass lower surface receive radiation heating and convective heating simultaneously.
2. full convection type glass heats stove according to claim 1 is characterized in that, said some convection tubess are along sheet glass direct of travel spaced set, perhaps perpendicular to sheet glass direct of travel spaced set.
3. full convection type glass heats stove according to claim 1 is characterized in that said convection tubes is arranged between said radiant heating device and the said sheet glass, perhaps is arranged on the radiant heating device below.
4. full convection type glass heats stove according to claim 3; It is characterized in that; Air outlet on the said convection tubes is provided with towards the sheet glass lower surface; The air of air outlet ejection with furnace chamber in atmosphere carry out blended simultaneously, also the mixed high-temperature atmosphere of boosting forms the convective heating air-flow that flows to the sheet glass lower surface.
5. full convection type glass heats stove according to claim 1 is characterized in that, is provided with valve on the every said convection tubes, through this valve the gas vol of convection tubes ejection is regulated, with the convective heating intensity of control to the sheet glass lower surface.
6. full convection type glass heats stove according to claim 1 is characterized in that, supporting independently blower fan and the heating unit of being provided with of said convection current case, and said blower fan is installed on the top or outer side wall of said heating furnace body.
7. full convection type glass heats stove; Comprise furnace chamber; The two ends of furnace chamber are provided with into fire door and plug for outlet; Be provided with in the furnace chamber and be used for sheet glass is advanced the e Foerderanlage that fire door is delivered to said plug for outlet by said, the e Foerderanlage below is provided with some convection current casees that are used for heating glass plate, and the e Foerderanlage top is provided with the sheet glass radiant heating device; It is characterized in that; Said e Foerderanlage top also is evenly equipped with some convection tubess; Be evenly equipped with several air outlets on the convection tubes; Utilize said convection tubes to furnace chamber top input air, and the air of input is heated the sheet glass upper surface with furnace chamber top formed high temperature gas flow after the atmosphere of said radiant heating device heating is mixed, thereby make the sheet glass upper surface receive radiation heating and convective heating simultaneously.
8. full convection type glass heats stove according to claim 7 is characterized in that, said some convection tubess are along sheet glass direct of travel spaced set, perhaps perpendicular to sheet glass direct of travel spaced set; Said convection tubes is arranged between said radiant heating device and the said sheet glass, perhaps is arranged on the radiant heating device top.
9. full convection type glass heats stove according to claim 8; It is characterized in that; Air outlet on the said convection tubes is provided with towards the sheet glass upper surface; The air of air outlet ejection with furnace chamber in atmosphere carry out blended simultaneously, also the mixed high-temperature atmosphere of boosting forms the convective heating air-flow that flows to the sheet glass upper surface.
10. full convection type glass heats stove according to claim 9 is characterized in that, is provided with valve on the every said convection tubes, through this valve the gas vol of convection tubes ejection is regulated, with the convective heating intensity of control to the sheet glass lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220184436 CN202576217U (en) | 2012-04-27 | 2012-04-27 | Full-convection-type glass heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220184436 CN202576217U (en) | 2012-04-27 | 2012-04-27 | Full-convection-type glass heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202576217U true CN202576217U (en) | 2012-12-05 |
Family
ID=47245652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220184436 Expired - Lifetime CN202576217U (en) | 2012-04-27 | 2012-04-27 | Full-convection-type glass heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202576217U (en) |
-
2012
- 2012-04-27 CN CN 201220184436 patent/CN202576217U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |