CN103922561A - Energy-saving gas glass melting furnace - Google Patents
Energy-saving gas glass melting furnace Download PDFInfo
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- CN103922561A CN103922561A CN201410159737.8A CN201410159737A CN103922561A CN 103922561 A CN103922561 A CN 103922561A CN 201410159737 A CN201410159737 A CN 201410159737A CN 103922561 A CN103922561 A CN 103922561A
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Abstract
The invention relates to a glass melting furnace and provides an energy-saving gas glass melting furnace. The glass melting furnace is provided with a furnace body, wherein a gas burner is at least arranged at one end of the furnace body; at least one tail gas passage is formed in the sidewall of the furnace body; a combustion-supporting air preheating tube is spirally arranged inside the tail gas passage; combustion-supporting air is introduced into the combustion-supporting air preheating tube through a draught fan with a variable frequency regulation function, preheated in the tail gas passage and then sent to the gas burner; gas is regulated by an intelligent gas valve, then sent to the gas burner, mixed with the high-temperature combustion-supporting air according to a proportion, injected into the melting furnace and fully and completely combusted; an intelligent controller is arranged for intelligently regulating the intelligent gas valve and a variable frequency controller according to a temperature value and a set temperature value sent from a temperature sensor arranged in the furnace body so as to regulate the flow rate and ratio of the combustion-supporting air to the gas, so that the gas is combusted fully and completely and the temperature in the furnace in uniform so as to improve the quality of liquid melt. By adopting the scheme, energy conservation, consumption reduction, no pollution and high yield are realized.
Description
Technical field
The present invention relates to glass melter, especially combustion gas glass melter.
Background technology
Traditional glass-melting furnace, adopts heavy oil or coal dust to make fuel more, and environmental pollution is large, energy consumption is high and yield rate is low.For energy-saving and cost-reducing, raising yield rate, many glass production enterprises drop into huge funds research and development combustion gas smelting furnaces.With combustion gas smelting furnace smelting glass, its objective is and realize low pollution, less energy-consumption, low cost, high yield rate.
CN101290188A discloses a kind of energy-saving gas furnace, comprise kiln body, burner, gas gun, sealed strip, chassis plate, flue wall, kiln car middle part flue, burner is arranged on kiln body, the muzzle of gas gun is arranged in burner, on burner, be provided with combustion air suction port, heating duct is arranged between chassis plate and kiln car middle part flue, and the exit end of heating duct is over against the combustion air suction port of burner.Employing is the mode to the required independent preheating of combustion air of each burner in heating duct, and air themperature is preheating to the more than 80% of furnace temperature.The heating duct of this scheme is arranged between chassis plate and kiln car middle part flue, air in heating duct is heated to consumed heat, be mainly derived from the furnace heat that the suction fire hole on chassis plate sucks, that is to say, preheated air has consumed furnace heat, rather than make full use of flue hot gas and heat, so its exhaust gas heat rate of loss is high, energy-saving effect is limited.
CN101993187A discloses a kind of oxygen burning flat spray gun, introduces pure oxygen combustion technology and transforms heavy oil or natural gas spraying gun, improves efficiency of combustion; Spray gun is set as to flat total oxygen spray gun, purity oxygen and partial oxidation air mixture enter kiln body by flat channel respectively, and it is front through low-temperature prewarming that partial oxidation air mixture enters kiln body, and purity oxygen approaches molten surface and forms oxygen enrichment high-temperature zone, its upper strata is anoxic cold zone, forms gradient burning; According to subregion, supply with the required heat of fusing, guarantee the temperature homogeneity of kiln on wide.The weak point of this scheme is: the acquisition of pure oxygen need to increase production cost; Although adopted pure oxygen, there is gradient burning in it, have incomplete combustion phenomenon in kiln, therefore has energy dissipation and pollutant emission.
Summary of the invention
For overcoming the deficiencies in the prior art, the invention provides a kind of energy-saving gas glass melter.
The technical solution used in the present invention is: a kind of energy-saving gas glass melter, be provided with a kiln body, at least in kiln body one end, be provided with fuel burner nozzle, kiln body sidewall correct position is respectively equipped with at least one dog-house and at least one discharge port and at least one exhaust gas channel, and exhaust gas channel inner disc is provided with combustion air preheating tube; If an induced draft fan is introduced combustion air in combustion air preheating tube; Be provided with a frequency-variable controller and regulate induced draft fan power, thereby regulate the combustion air air quantity of introducing in combustion air preheating tube, combustion air is passing in fuel burner nozzle in exhaust gas channel after preheating; Be provided with a gas intelligent valve, combustion gas passes in fuel burner nozzle and is mixed in proportion with high temperature combustion air after it regulates, and sprays into abundant, perfect combustion in kiln body; The mixed airflow spraying from gas jet in the shape of a spiral, can make combustion-supporting gas and combustion gas fully mix, and also can impel the strong convection current of heat generation in kiln body, and the temperature that reaches each orientation in kiln body is even; Be provided with an intelligent controller, the temperature value transmitting according to the temperature sensor of being located in kiln body and set temperature value, intelligent regulating gas smart valve and frequency-variable controller, thereby flow and the proportioning of adjusting combustion air and combustion gas, make combustion gas fully, perfect combustion, to improve liquation quality.
The present invention, by above scheme, makes full use of using waste heat from tail gas combustion air is carried out to preheating, has simplified combustion air pretreatment process, has realized energy-conservation, consumption reduction; High temperature combustion air and combustion gas scientific matching, make combustion gas fully, perfect combustion, improved to greatest extent fuel availability, realized pollution-free and high yield rate.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is front of the present invention three-dimensional view;
Fig. 2 is side of the present invention three-dimensional view;
Fig. 3 is the present invention's control schematic diagram that burns.
Number in the figure is depicted as:
1-kiln body, 11-opening for feed, 12-discharge port, 13-exhaust gas channel;
2-fuel burner nozzle;
3-combustion air preheating tube, 30-induced draft fan, 31-warm-air pipe;
4-housing, 41 frequency-variable controllers, 42-gas intelligent valve, 43 intelligent controllers;
5-gas line, 50-inlet pipe;
6-temperature sensor.
Embodiment
As shown in Figure 1 and Figure 2, energy-saving gas glass melter provided by the invention, can implement in the following way: be provided with a kiln body 1, in kiln body 1 one end, be provided with fuel burner nozzle 2, kiln body 1 sidewall correct position is respectively equipped with a dog-house 11 and several discharge port 12 and an exhaust gas channel 13, and exhaust gas channel 13 inner discs are provided with combustion air preheating tube 3; If an induced draft fan 30 is introduced combustion air in combustion air preheating tube 3, combustion air 13 preheatings in exhaust gas channel pass in fuel burner nozzle 2 by warm-air pipe 31; Combustion gas regulates in inlet pipe 50 enters housing 4, from gas line 5, pass in fuel burner nozzle 2 and be mixed in proportion with high temperature combustion air, spray into interior abundant, the perfect combustion of kiln body 1.
As shown in Figure 3, burning of the present invention is controlled and can be implemented in the following way: establish a housing 4, in it, establish a frequency-variable controller 41 and regulate induced draft fan 30 power, thereby regulate the combustion air air quantity of introducing in combustion air preheating tube 3, combustion air preheating tube 3 dishes are located in exhaust gas channel 13, the red-hot tail gas of discharging from kiln body 1 and the combustion air in combustion air preheating tube 3 carry out heat exchange, and combustion air is preheating to comparatively high temps, by warm-air pipe 31, enter in fuel burner nozzle 2; Combustion gas is introduced from inlet pipe 50, after the gas intelligent valve 42 in housing 4 regulates, from gas line 5, passes in fuel burner nozzle 2 and is mixed in proportion with high temperature combustion air, sprays into the interior burning of kiln body 1; The mixed airflow spraying from gas jet 2 in the shape of a spiral, can make combustion-supporting gas and combustion gas fully mix, and also can impel the strong convection current of heat generation in kiln body 1, and the temperature that reaches each orientation in kiln body 1 is even; In kiln body 1, be provided with temperature sensor 6, in housing 4, be provided with an intelligent controller 43, the temperature value transmitting according to temperature sensor 6 and set temperature value, intelligence regulating gas smart valve 42 and frequency-variable controller 41, thereby regulate flow and the proportioning of combustion air and combustion gas, make combustion gas fully, perfect combustion, to improve liquation quality.
The present invention, by above scheme, makes full use of using waste heat from tail gas combustion air is carried out to preheating, has simplified combustion air pretreatment process, has realized energy-conservation, consumption reduction; High temperature combustion air and combustion gas scientific matching, make combustion gas fully, perfect combustion, improved to greatest extent fuel availability, realized pollution-free and high yield rate.
The present invention is not limited to above embodiment, as long as reach technique effect of the present invention based on essentially identical means, all belongs to protection scope of the present invention.
Claims (2)
1. an energy-saving gas glass melter, be provided with a kiln body, at least in kiln body one end, be provided with fuel burner nozzle, kiln body sidewall correct position is respectively equipped with at least one dog-house and at least one discharge port and at least one exhaust gas channel, it is characterized in that: described exhaust gas channel inner disc is provided with combustion air preheating tube; Being provided with an induced draft fan introduces combustion air in combustion air preheating tube; Be provided with a frequency-variable controller and regulate induced draft fan power, thereby regulate the combustion air air quantity of introducing in combustion air preheating tube, combustion air is passing in fuel burner nozzle in exhaust gas channel after preheating; Be provided with a gas intelligent valve, combustion gas passes in fuel burner nozzle and is mixed in proportion with high temperature combustion air after gas intelligent valve regulation, sprays into abundant, perfect combustion in kiln body; Be provided with an intelligent controller, the temperature value transmitting according to the temperature sensor of being located in kiln body and set temperature value, intelligent regulating gas smart valve and frequency-variable controller, thereby flow and the proportioning of adjusting combustion air and combustion gas.
2. energy-saving gas glass melter as claimed in claim 1, is characterized in that: the mixed airflow spraying from described gas jet in the shape of a spiral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410159737.8A CN103922561A (en) | 2014-04-21 | 2014-04-21 | Energy-saving gas glass melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410159737.8A CN103922561A (en) | 2014-04-21 | 2014-04-21 | Energy-saving gas glass melting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103922561A true CN103922561A (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410159737.8A Pending CN103922561A (en) | 2014-04-21 | 2014-04-21 | Energy-saving gas glass melting furnace |
Country Status (1)
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| CN (1) | CN103922561A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106116111A (en) * | 2016-08-15 | 2016-11-16 | 浙江长兴杭华玻璃有限公司 | Shape of a hoof glass furnace intelligent temperature control system |
| CN106766975A (en) * | 2016-12-31 | 2017-05-31 | 广州龙鑫蓄热工业炉有限公司 | A kind of autocontrol method and its device of aluminum melting furnace system |
| CN109437516A (en) * | 2018-11-30 | 2019-03-08 | 中国建材国际工程集团有限公司 | Glass melter combustion-supporting system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4349367A (en) * | 1981-03-31 | 1982-09-14 | Ppg Industries, Inc. | Method of recovering waste heat from furnace flue gases using a granular heat exchange means |
| CN1583613A (en) * | 2004-06-06 | 2005-02-23 | 武志坚 | Glass melting method and furnace thereof |
| CN202626009U (en) * | 2012-06-12 | 2012-12-26 | 东旭集团有限公司 | Preheating system of combustion-supporting gas for glass melting kiln |
| CN203807326U (en) * | 2014-04-21 | 2014-09-03 | 佘万强 | Energy-saving fuel gas glass melting furnace |
-
2014
- 2014-04-21 CN CN201410159737.8A patent/CN103922561A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4349367A (en) * | 1981-03-31 | 1982-09-14 | Ppg Industries, Inc. | Method of recovering waste heat from furnace flue gases using a granular heat exchange means |
| CN1583613A (en) * | 2004-06-06 | 2005-02-23 | 武志坚 | Glass melting method and furnace thereof |
| CN202626009U (en) * | 2012-06-12 | 2012-12-26 | 东旭集团有限公司 | Preheating system of combustion-supporting gas for glass melting kiln |
| CN203807326U (en) * | 2014-04-21 | 2014-09-03 | 佘万强 | Energy-saving fuel gas glass melting furnace |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106116111A (en) * | 2016-08-15 | 2016-11-16 | 浙江长兴杭华玻璃有限公司 | Shape of a hoof glass furnace intelligent temperature control system |
| CN106766975A (en) * | 2016-12-31 | 2017-05-31 | 广州龙鑫蓄热工业炉有限公司 | A kind of autocontrol method and its device of aluminum melting furnace system |
| CN109437516A (en) * | 2018-11-30 | 2019-03-08 | 中国建材国际工程集团有限公司 | Glass melter combustion-supporting system |
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Application publication date: 20140716 |