CN106348578A - Forced-convection fuel gas toughening furnace - Google Patents
Forced-convection fuel gas toughening furnace Download PDFInfo
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- CN106348578A CN106348578A CN201611069755.2A CN201611069755A CN106348578A CN 106348578 A CN106348578 A CN 106348578A CN 201611069755 A CN201611069755 A CN 201611069755A CN 106348578 A CN106348578 A CN 106348578A
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- heat exchanger
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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
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Abstract
The invention relates to a forced-convection fuel gas toughening furnace, which comprises a furnace body steel structure and an insulating layer, wherein the furnace body steel structure is formed by an upper-part furnace body and a lower-part furnace body in a butt joint way; a ceramic roller is arranged between the upper-part furnace body and the lower-part furnace body; convection boxes are respectively arranged in the upper-part furnace body and the lower-part furnace body; injection holes are densely distributed on panels, close to the ceramic roller, of the convection boxes; a high-temperature circulating fan and a gas burner with abuilt-in heat exchanger are respectively arranged on the side walls of the upper-part furnace body and the lower-part furnace body; a spiral case of the high-temperature circulating fan is arranged inside the furnace body steel structure; an air outlet of the spiral case is communicated with the convection boxes through pipelines. According to the forced-convection fuel gas toughening furnace provided by the invention, the heat exchanger is built in the gas burner, so that the heat exchange are is increased, the higher heat exchange efficiency is obtained, the preheat temperature of combustion-supporting air can achieve about 450 DEG C, and the fuel can be saved by not less than 20 percent; a flue gas injector is arranged, so that 100 percent of flue gas can be ensured to be discharged from the gas burner; multistage combustion is adopted, so that frequent ignition is reliable, and the harmful matter content in the flue gas is low.
Description
Technical field
The present invention relates to glass tempering furnace technical field, specifically a kind of forced convertion combustion gas annealing furnace.
Background technology
In recent years due to the fast development of building trade, the usage amount of building safety glass is increasing, thus driving
The fast development of glass tempering furnace industry.
During production safety glass, it usually needs using annealing furnace, glass is heated.
Traditional glass tempering furnace is electrical heating, high energy consumption, and operating cost remains high, simultaneously need to supporting jumbo
Transformator, investment is big., compared with electric furnace, because combustion gas is primary energy, it is low to have operating cost, energy-conservation for gas-fired heater
The feature of effect is significant.Without newly-increased high-power transformer, reduce to electricity needs, reduce transformator purchase commodity and base takes.
The annealing furnace running in the market adopts radiant burner, belongs to indirectly heat.Radiant burner heats
Efficiency is low, and exhaust gas temperature is higher, low to furnace high-temperature flue gas recirculation utilization rate, and it is low to thus result in the efficiency of heating surface, and productivity ratio is low,
High energy consumption, poor with gas security protection performance, do not obtain the accreditation in market.
Content of the invention
Have that the efficiency of heating surface is low, productivity ratio low for above-mentioned existing glass tempering furnace, high energy consumption, use gas security protection
The problems such as poor performance, the present invention provides a kind of forced convertion combustion gas annealing furnace.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of forced convertion combustion gas annealing furnace, including furnace binding and heat-insulation layer, furnace binding is by upper furnace body and bottom
Body of heater docking composition, is provided with ceramic roller, sets respectively inside upper furnace body and lower volume between upper furnace body and lower volume
There is convection current case, convection current case presses close to be densely covered with spray-hole or nozzle, the side of upper furnace body and lower volume on the panel of ceramic roller
High temperature circulation blower fan and built-in heat exchanger fuel burner nozzle are separately installed with wall, the spiral case of high temperature circulation blower fan is arranged on body of heater steel
Inside configuration, and the air outlet of spiral case connected with convection current case by pipeline；
Described built-in heat exchanger fuel burner nozzle is provided with smoke discharging pipe, gas pipeline, combustion-supporting wind pipeline, burner body, heat exchanger and point
Thermoelectricity pole, the end of described burner body is arranged in furnace binding, and one end of gas pipeline is goed deep in burner body, and heat exchanger sets
Put in burner body, and be coated on outside gas pipeline, between heat exchanger and gas pipeline, form combustion air passage, heat exchanger and burning
Form low-temperature flue gas passage, smoke discharging pipe and low-temperature flue gas channel connection between wall, combustion-supporting wind pipeline is led to combustion air in mouth body
Road connects；It is connected with injection airduct between smoke discharging pipe and combustion-supporting wind pipeline.
Described injection airduct pipeline is provided with injection air electromagnetic valve.
Described gas pipeline is provided with gas proportion regulating valve and fuel gas safe electromagnetic valve.
Described combustion-supporting wind pipeline is provided with combustion air electromagnetic valve.
Described heat exchanger is finned heat exchanger.
The plane that described convection current case presses close to ceramic roller panel with ceramic roller is formed is parallel.
The panel size that described convection current case presses close to ceramic roller is not less than glass to be heated.
It is provided with thermocouple, thermocouple is connected with plc, plc is adjusted with gas proportion in described upper furnace body and lower volume
Valve and fuel gas safe electromagnetic valve connect；
It is arranged on the convection current case bottom panel above ceramic roller and is provided with spray-hole, be arranged on the convection current case below ceramic roller
Top panel is provided with nozzle.
Beneficial effects of the present invention:
High-temperature gas high-speed uniform is ejected into glass table by convection current case by the forced convertion combustion gas annealing furnace that the present invention provides
Face, passes through fuel burner nozzle built-in heat exchanger simultaneously, increases heat exchange area, can obtain high heat exchange efficiency, combustion air preheating temperature
Spend up to 450 DEG C about, fuel can save more than 20% compared with common burner；Can ensure that 100% by arranging flue gas ejector
Flue gas is discharged from burner；Using multistage combustion, frequently light a fire reliable, harmful substances from flue gases content is low；Because forced convertion is changed
Heat, glass heat absorption efficiency is higher, and heat time heating time is shorter, glass surface better quality, and flatness is higher；Compared with electrical heating, energy
Consumption cost can reduce by more than 40%, and energy-saving effect is notable, can greatly reduce operating cost, improves enterprise profit and product competitiveness.
Brief description
Fig. 1 front view structure of the present invention sectional view；
Fig. 2 built-in heat exchanger of the present invention fuel burner nozzle fundamental diagram；
Fig. 3 plan structure of the present invention sectional view；
Reference: 1, furnace binding, 2, heat-insulation layer, 3, high temperature circulation blower fan, 301, spiral case, 4, glass, 5, ceramic roller
Road, 6, combustion air electromagnetic valve, 7, convection current case, 8, built-in heat exchanger fuel burner nozzle, 801, smoke discharging pipe, 802, gas pipeline,
803rd, combustion-supporting wind pipeline, 804, burner body, 805, heat exchanger, 806, ignitor, 9, gas proportion regulating valve, 10, injection air
Pipe, 11, injection air electromagnetic valve, 12, fuel gas safe electromagnetic valve, 13, diffusion valve.
Specific embodiment
With reference to specific embodiment, the present invention is further elaborated.
As shown in figure 1, a kind of forced convertion combustion gas annealing furnace, including furnace binding 1 and heat-insulation layer 2, furnace binding 1
For split type structure, it is divided into upper furnace body and two parts of lower volume, upper furnace body can under the effect of body of heater hoisting mechanism certainly
Dynamic lifting, to facilitate maintenance, is provided with ceramic roller 5, inside upper furnace body and lower volume between upper furnace body and lower volume
It is respectively equipped with convection current case 7, convection current case 7 bottom panel being arranged on ceramic roller 5 top is provided with spray-hole, is arranged on ceramic roller
Convection current case 7 top panel of road 5 lower section is provided with nozzle, and described convection current case 7 presses close to panel and the ceramic roller 5 of ceramic roller 5
Formed plane parallel, and convection current case 7 press close to ceramic roller 5 panel size be not less than glass to be heated, upper furnace body and under
High temperature circulation blower fan 3 and built-in heat exchanger fuel burner nozzle 8, the snail of high temperature circulation blower fan 3 are separately installed with the side wall of portion's body of heater
Shell 301 is arranged on inside furnace binding 1, and the air outlet of spiral case 301 is connected with convection current case 7 by pipeline；
As shown in Fig. 2 being built-in heat exchanger fuel burner nozzle fundamental diagram of the present invention, described built-in heat exchanger fuel burner nozzle 8 sets
There are smoke discharging pipe 801, gas pipeline 802, combustion-supporting wind pipeline 803, burner body 804 and heat exchanger 805, described burner body 804
End is arranged in furnace binding 1, and one end of gas pipeline 802 is goed deep in burner body 804, and heat exchanger 805 is arranged on burner
In body 804, and it is coated on outside gas pipeline 802, between heat exchanger 805 and gas pipeline 802, form combustion air passage, heat exchanger
Form low-temperature flue gas passage, smoke discharging pipe 801 and low-temperature flue gas channel connection, combustion-supporting airduct between 805 and burner body 804 inwall
Road 803 and combustion air channel connection；Between smoke discharging pipe 801 and combustion-supporting wind pipeline 803, bypass is connected with injection airduct 10.Described
Injection airduct 10 pipeline be provided with injection air electromagnetic valve；Described gas pipeline 802 is provided with gas proportion regulating valve 9 and combustion gas
Security solenoid valve 12；Described combustion-supporting wind pipeline 803 is provided with combustion air electromagnetic valve 6；Described heat exchanger 805 is fin type heat exchange
Device, has larger heat exchange area, can obtain higher heat exchange efficiency；
Air inlet and air outlet are had on spiral case 301, in the presence of high temperature circulation blower fan, furnace air is through built-in heat exchanger combustion gas
High-temperature flue gas after burner 8 heating enter spiral case 301 by air inlet, then enter convection current case 7 by air outlet, then by right
The small hole injection uniformly gathering on stream case 7 panel carries out heat exchange to glass surface to be heated.A low-temperature flue gas part after heat exchange
Heated and entered next circulation again by built-in heat exchanger fuel burner nozzle 8, high-temperature flue gas are in Wind Volume high temperature circulation blower fan
In the presence of be sufficiently mixed, make each several part temperature in stove more uniform；Another part low-temperature flue gas enter built-in heat exchanger combustion gas
The built-in heat exchanger 805 heating combustion air of burner 8.
Combustion air can be heated to 450 DEG C about by the low-temperature flue gas of described entrance built-in heat exchanger fuel burner nozzle 8, Ran Houjing
Combustion air after preheating is burnt with combustion gas mixing.Low-temperature flue gas after heat exchange are discharged from smoke discharging pipe 801.
Described high temperature circulation blower fan 3, convection current case 7 and built-in heat exchanger fuel burner nozzle 8 are one group, can be according to body of heater length
Multigroup arrangement, achievable zone temperature controls, as shown in Figure 3.
Igniting need to be purged in burner hearth by combustion air first, removes remaining imflammable gas in burner hearth, and from
Exhaust opening is discharged, and purge time is 3 minutes, then starts high temperature circulation blower fan 3, then opens ignition switch igniting.Any one
8 three loss of ignition of built-in heat exchanger fuel burner nozzle, that is, re-start furnace purge.After igniting success, treat that furnace temperature rises to 700 DEG C
Left and right, glass can enter stove heat.It is heated to after tempering temperature after glass, you can tempering section of coming out of the stove blowing tempering.Above-mentioned institute
There is operation all can be automatically performed under plc control.
During present invention work, the fire box temperature that can be recorded according to thermocouple, and the signal of detection is passed to plc, at plc
After reason, signal is fed back to gas proportion regulating valve 9 and automatically adjusts gas supply amount, thus controlling built-in heat exchanger fuel burner nozzle
8 flame size, realizes the control of built-in heat exchanger fuel burner nozzle 8 combustion power size.
During present invention work, flame status can be detected by ultraviolet flame detector, and the signal of detection is passed to
Plc, after processing through plc, signal is fed back to ignitor 806 and realizes automatic ignition.
During present invention work, with following measures are taken on gas security protection:
1. each built-in heat exchanger fuel burner nozzle installs a diffusion valve 13, can ensure to drain residual in fuel gas pipeline before igniting
Air, the generation of detonation when preventing from lighting a fire.
2. first light a fire before carry out furnace purge, prevent because valve surprisingly reveal cause light a fire when detonation generation.
3. arbitrary three loss of ignition of built-in heat exchanger fuel burner nozzle, cut off combustion gas by fuel gas safe electromagnetic valve 12
Supply simultaneously purges again.
4. combustion fan/smoke exhaust fan quits work, and cuts off gas supply by fuel gas safe electromagnetic valve 12 immediately.
5. furnace temperature exceeds the upper limit, cuts off gas supply by fuel gas safe electromagnetic valve 12 immediately.
6. high temperature circulation blower fan 3 shuts down or abnormal operating, cuts off combustion gas by fuel gas safe electromagnetic valve 12 immediately and supplies
Should.
Claims (9)
1. a kind of forced convertion combustion gas annealing furnace, including furnace binding and heat-insulation layer, furnace binding (1) by upper furnace body and
Lower volume form, be provided with ceramic roller (5) between upper furnace body and lower volume it is characterised in that: upper furnace body and bottom
Furnace interior is respectively equipped with convection current case (7), and convection current case (7) is pressed close to and is densely covered with spray-hole or nozzle on the panel of ceramic roller (5),
High temperature circulation blower fan (3) and built-in heat exchanger fuel burner nozzle (8) are separately installed with the side wall of upper furnace body and lower volume, high
It is internal that the spiral case (301) of warm circulating fan (3) is arranged on furnace binding (1), and the air outlet of spiral case (301) pass through pipeline with
Convection current case (7) connects；
Described built-in heat exchanger fuel burner nozzle (8) be provided with smoke discharging pipe (801), gas pipeline (802), combustion-supporting wind pipeline (803),
Burner body (804), heat exchanger (805) and ignitor (806), the end of described burner body (804) is arranged on furnace binding
(1), in, one end of gas pipeline (802) is goed deep in burner body (804), and heat exchanger (805) is arranged in burner body (804), and
It is coated on gas pipeline (802) outward, between heat exchanger (805) and gas pipeline (802), form combustion air passage, heat exchanger
(805) form low-temperature flue gas passage, smoke discharging pipe (801) and low-temperature flue gas channel connection and burner body (804) inwall between, help
Combustion wind pipeline (803) and combustion air channel connection；It is connected with injection air between smoke discharging pipe (801) and combustion-supporting wind pipeline (803)
Pipe (10).
2. forced convertion combustion gas annealing furnace as claimed in claim 1 it is characterised in that: on described injection airduct (10) pipeline
It is provided with injection air electromagnetic valve (11).
3. forced convertion combustion gas annealing furnace as claimed in claim 1 it is characterised in that: described gas pipeline (802) is provided with
Gas proportion regulating valve (9) and fuel gas safe electromagnetic valve (12).
4. forced convertion combustion gas annealing furnace as claimed in claim 1 it is characterised in that: set on described combustion-supporting wind pipeline (803)
There is combustion-supporting wind-powered electricity generation magnet valve (6).
5. forced convertion combustion gas annealing furnace as claimed in claim 1 it is characterised in that: described heat exchanger (805) be fin
Formula heat exchanger.
6. forced convertion combustion gas annealing furnace as claimed in claim 1 it is characterised in that: described convection current case (7) presses close to ceramic roller
The plane that the panel in road (5) is formed with ceramic roller (5) is parallel.
7. forced convertion combustion gas annealing furnace as claimed in claim 1 it is characterised in that: described convection current case (7) presses close to ceramic roller
The panel size in road (5) is not less than glass to be heated.
8. forced convertion combustion gas annealing furnace as claimed in claim 3 it is characterised in that: in described upper furnace body and lower volume
It is provided with thermocouple, thermocouple is connected with plc, plc is connected with gas proportion regulating valve (9) and fuel gas safe electromagnetic valve (12).
9. forced convertion combustion gas annealing furnace as claimed in claim 1 it is characterised in that: be arranged on above ceramic roller (5)
Convection current case (7) bottom panel is provided with spray-hole, is arranged on convection current case (7) top panel below ceramic roller (5) and is provided with
Nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611069755.2A CN106348578A (en) | 2016-11-29 | 2016-11-29 | Forced-convection fuel gas toughening furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611069755.2A CN106348578A (en) | 2016-11-29 | 2016-11-29 | Forced-convection fuel gas toughening furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106348578A true CN106348578A (en) | 2017-01-25 |
Family
ID=57862792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611069755.2A Pending CN106348578A (en) | 2016-11-29 | 2016-11-29 | Forced-convection fuel gas toughening furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN106348578A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526560A (en) * | 2018-09-21 | 2019-12-03 | 安徽恒春玻璃股份有限公司 | A kind of annealing furnace contracurrent system equipment |
| CN114610098A (en) * | 2022-03-15 | 2022-06-10 | 广州市建筑材料工业研究所有限公司 | Low-carbon energy-saving type building component fire resistance test furnace control system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009055135A2 (en) * | 2007-08-22 | 2009-04-30 | Hp3 Software, Inc. | A glass production line having dynamic production control and a tempering furnace with a dedicated delivery device and a method of controlling a glass production line tempering furnace |
| CN101655239A (en) * | 2009-09-18 | 2010-02-24 | 施芜 | Ceramic high-efficiency air self-preheating type combustor |
| CN101767927A (en) * | 2009-01-07 | 2010-07-07 | 洛阳兰迪玻璃机器有限公司 | Method for setting high temperature gas spout in convection type glass plate heating furnace and application thereof |
| KR20150082142A (en) * | 2015-06-24 | 2015-07-15 | 김호권 | Heating Process of Glass Plate using Chemical Reinforcement |
-
2016
- 2016-11-29 CN CN201611069755.2A patent/CN106348578A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009055135A2 (en) * | 2007-08-22 | 2009-04-30 | Hp3 Software, Inc. | A glass production line having dynamic production control and a tempering furnace with a dedicated delivery device and a method of controlling a glass production line tempering furnace |
| CN101767927A (en) * | 2009-01-07 | 2010-07-07 | 洛阳兰迪玻璃机器有限公司 | Method for setting high temperature gas spout in convection type glass plate heating furnace and application thereof |
| CN101655239A (en) * | 2009-09-18 | 2010-02-24 | 施芜 | Ceramic high-efficiency air self-preheating type combustor |
| KR20150082142A (en) * | 2015-06-24 | 2015-07-15 | 김호권 | Heating Process of Glass Plate using Chemical Reinforcement |
Non-Patent Citations (1)
| Title |
|---|
| 顾学岐: "《工业锅炉与炉窑节能技术》", 31 January 1990 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110526560A (en) * | 2018-09-21 | 2019-12-03 | 安徽恒春玻璃股份有限公司 | A kind of annealing furnace contracurrent system equipment |
| CN114610098A (en) * | 2022-03-15 | 2022-06-10 | 广州市建筑材料工业研究所有限公司 | Low-carbon energy-saving type building component fire resistance test furnace control system and method |
| CN114610098B (en) * | 2022-03-15 | 2023-08-25 | 广州市建筑材料工业研究所有限公司 | Control system and method for low-carbon energy-saving building element fire resistance test furnace |
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Application publication date: 20170125 |