CN104016569B - Glass melting furnace producer gas conveying method and device - Google Patents
Glass melting furnace producer gas conveying method and device Download PDFInfo
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- CN104016569B CN104016569B CN201410286541.5A CN201410286541A CN104016569B CN 104016569 B CN104016569 B CN 104016569B CN 201410286541 A CN201410286541 A CN 201410286541A CN 104016569 B CN104016569 B CN 104016569B
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Abstract
A glass melting furnace producer gas conveying method is characterized in that gas is directly conveyed to the upper part of a gas branch flue of each small furnace through a pipeline; arranging a common gas main flue; arranging a flue gas branch flue and a coal gas/flue gas shared branch flue of each small furnace; arranging a gas exchange controller and a flue gas exchange controller, and adopting a unified transmission station for transmission; arranging a gas branch pipe flow regulating valve; arranging a flue gas flow regulating flashboard of a flue gas branch flue; the gas exchange controller can carry out gas exchange; the gas branch pipe flow regulating valve can accurately control the gas consumption of each small furnace; the flue gas switching controller can carry out flue gas switching; the flue gas flow regulating gate plate of the flue gas branch flue can independently regulate the pumping force of each small furnace. Therefore, the link of conveying the coal gas in the coal gas main flue is reduced, unnecessary discharge of a large amount of coal gas during each fire change is avoided, and precious fuel is saved.
Description
Technical Field
The invention relates to the technical field of production processes of glass products, relates to a regenerative chamber glass melting furnace process technology for burning producer gas, in particular to a large-scale transverse flame regenerative glass melting furnace process technology for burning producer gas, and specifically relates to a novel method and a device for conveying producer gas of a glass melting furnace.
Background
Heat accumulating glass melting furnaces using producer gas as fuel have been widely used for producing glass products such as plate glass, glass bottles and cans, glass tubes and the like. The production capacities of the glass melting furnaces are greatly different, the minimum daily melting amount is only a few tons, and the maximum daily melting amount can reach 800-900 tons. At present, the heat accumulating type glass melting furnaces for generating furnace gas mostly adopt the traditional bell-type gas exchanger to change the total flue gas. The gas is sent from a gas station to a combined workshop by a pipeline and enters a bell-type gas exchanger firstly. If the furnace is a horseshoe flame melting furnace, the coal gas directly enters the coal gas heat storage chamber on the corresponding side through the smoke passage, and if the furnace is a transverse flame melting furnace, the coal gas passes through the smoke passage and then redistributes to enter the branch smoke passages of each small furnace and then enters the corresponding coal gas heat storage chambers.
Bell jar type gas exchangers were introduced from abroad in the middle of the last century, and with the development of the scale and control level of the melting furnace in these years, the bell jar type gas exchangers are upgraded on the original basis. The bell jar type gas exchanger consists of outer cover, base, bell jar, lever system, rocker arm, pressing wheel system, electric controller, balance weight and other parts.
The traditional bell-type gas exchanger is provided with three exhaust holes, when a driving device pulls a chain to drive a rocker arm device through a pinch roller system, an outer four-connecting rod drives two transmission shafts on a base, so that an inner four-connecting rod rotates simultaneously, the bell jar also finishes ascending and horizontal movement, namely the position of the bell jar is changed, and the bell jar is changed from one working position to another working position, thereby realizing the reversing effect of the exchanger. The gas enters the outer cover from the upper inlet, and the bell cover covers the middle exhaust hole of the base and one of the exhaust holes on the two sides; the bell jar and the outer cover outer cavity are sealed with the inner cavity by water contained in the base, so that two passages are formed. One gas passage is composed of a gas inlet and an uncovered exhaust hole on the base of the inner cavity of the outer cover, and the other gas passage is composed of a bell-jar inner cavity and two covered exhaust holes on the base plate. At the moment, the coal gas enters the glass melting furnace through the coal gas flue, and the flue gas in the furnace is discharged out of the flue through the flue gas passage. The bell jar is reversed at regular intervals to form a new gas and flue gas passage, so that the gas and the flue gas are fed into and discharged from the kiln according to the procedure.
In the process of switching gas by adopting a melting furnace of a traditional bell-type gas exchanger, during the switching of a bell jar from one side to the other side, when the lower edge of the bell jar leaves a water cover, gas inevitably enters three exhaust holes at the same time, so that a certain amount of gas is mixed into smoke flowing to a chimney. In addition, before the gas exchange is carried out, the long channel between the gas exchanger and the gas regenerator outlet is filled with the advancing gas, and the gas which is not ready to burn turns around to flow to a chimney along with the smoke along with the start of the melting furnace fire exchange program. If the two parts of coal gas are mixed with air leaking into the flue to form explosive gas, the flue blasting accident can be formed when the conditions are mature, the phenomenon is particularly serious in a large glass production line, the caused consequence is worse, the glass quality is slightly influenced, the glass yield is reduced, and the personnel and property safety is seriously influenced. According to the reaction of a certain company, the glass yield is reduced from about 90% to about 45% in each blasting accident, the influence lasts for four or five days, and the glass yield is seriously reduced. In addition, the blasting accident is unpredictable, and the production operation and management personnel can not know when to put the blasting accident once, so that the production operation and management personnel can raise the core in every day, and a better strategy is hopefully to solve the problem.
In view of the current situation, most of the currently adopted methods are to burn the coal gas leaked into the middle flue as organically as possible by igniting open fire at the junction of the middle flue coal gas and air. The method has potential safety hazard, increases the possibility of production accidents, greatly wastes fuel, increases production cost and causes environmental pollution to a certain extent.
In addition, in the traditional gas conveying method for the glass melting furnace of the producer gas, when the gas enters a gas flue from an exchanger and is distributed to each small furnace, a flexible adjusting means is lacked. At present, the coal gas quantity can only be adjusted indirectly and roughly through manual gate plates on each gas branch flue. The gas branch flue flashboard is mainly used for adjusting different smoke suction forces formed by different small furnaces due to different requirements, different blockage conditions of the heat storage chamber and the like, so that the temperature of the melting furnace is difficult to accurately control by using the flashboard to adjust the gas.
A large-sized transverse flame glass melting furnace is required to establish an accurate temperature system according to the heat absorption conditions of different sections of the melting furnace, the heat load of a front raw material area and a hot spot area is required to be large, the heat absorption of a foam area is poor, even if more fuel is input, the waste is caused, the temperature of a clarification area is adjusted by a small furnace at the end, and the heat load is required to be small. The fuel efficiency can be maximized only by distributing the fuel according to actual needs and rules, otherwise waste is generated, and environmental pollution is increased.
Therefore, a set of brand new methods for conveying coal gas and smoke on the corresponding side need to be invented for a heat accumulating type glass melting furnace using producer gas as fuel, in particular a large-scale multi-small furnace transverse flame heat accumulating type glass melting furnace.
Disclosure of Invention
The invention aims to solve the potential safety hazard and various defects existing in the processes of conveying, reversing and adjusting gas and flue gas of the traditional bell-type gas exchanger conveying system; realizes the independent and accurate control of the gas reversing and flow regulation of each small furnace.
In order to achieve the above object, one aspect of the present invention is a glass melting furnace producer gas conveying method for conveying gas from a gas main to a plurality of small furnaces, comprising the steps of: (a) arranging a gas branch pipe which is connected with the gas main pipe and is used for conveying gas to each small furnace; (b) a flow regulating valve which is connected with the gas branch pipe and is used for regulating the gas flow of each small furnace; (c) a gas exchange controller connected with the gas branch pipe and used for gas reversing is arranged; (d) a gas/flue gas shared branch flue which is connected with the gas exchange controller and is used for conveying gas or flue gas is arranged; (e) a coal gas heat accumulation chamber which is connected with the coal gas/flue gas shared branch flue and is used for heat exchange of the coal gas and the flue gas is arranged, the coal gas heat accumulation chamber sends the coal gas into the kiln of each small furnace to participate in combustion, and receives the flue gas from each small furnace; (f) a flue adjusting gate plate which is connected with the coal gas/flue gas shared branch flue and is used for adjusting the suction of each small furnace is arranged; (g) a flue gas exchange controller connected with the coal gas/flue gas shared branch flue and used for flue gas reversing is arranged; (h) a flue gas branch flue which is connected with the flue gas exchange controller and is used for conveying flue gas is arranged; and (i) a gas side flue gas main flue which is connected with the flue gas branch flue and is used for conveying flue gas.
Another aspect of the present invention is a glass melting furnace producer gas delivery apparatus that delivers gas from a gas main to a plurality of small furnaces, comprising the steps of: the gas branch pipe is connected with the gas main pipe and is used for conveying gas to each small furnace; the flow regulating valve is connected with the gas branch pipe and is used for regulating the flow of each small furnace gas; the gas exchange controller is connected with the gas branch pipe and is used for reversing gas; the gas/flue gas shared branch flue is connected with the gas exchange controller and is used for conveying gas or flue gas; the gas regenerator is connected with the gas/flue gas shared branch flue and is used for gas and flue gas heat exchange, and the gas regenerator sends gas into the kilns of the small furnaces to participate in combustion and receives flue gas from the small furnaces; the flue adjusting gate is connected with the coal gas/flue gas shared branch flue and is used for adjusting the suction force of each small furnace; the flue gas exchange controller is connected with the coal gas/flue gas shared branch flue and is used for flue gas reversing; the smoke branch flue is connected with the smoke exchange controller and used for smoke conveying; and the gas side flue gas main flue is connected with the flue gas branch flues and is used for conveying flue gas.
According to the method, the coal gas enters the coal gas/flue gas shared branch flue after passing through the coal gas main pipe, the coal gas branch pipe and the coal gas exchange controller in sequence, so that the link of conveying the coal gas in the coal gas main flue is reduced, the unnecessary discharge of a large amount of coal gas during each fire change is avoided, and precious fuel is saved.
Other aspects and advantages of the invention will become apparent from the following description, taken in conjunction with the accompanying drawings, illustrating by way of example the principles of the invention.
Drawings
The above and other features and advantages of the present invention will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
fig. 1 is a flow chart of a transmission method according to an embodiment of the invention; and
fig. 2 is a schematic diagram of a transmission device according to an embodiment of the invention.
Detailed Description
The invention will be described in more detail hereinafter with reference to the accompanying drawings of specific embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
An embodiment of the glass melting furnace producer gas conveying method according to the invention will now be described in detail with reference to fig. 1. The glass melting furnace producer gas conveying method is used for conveying gas from a gas main pipe to a plurality of small furnaces. The gas is obtained from a gas station through a gas main and is delivered to a plurality of small furnaces.
As shown in fig. 1, according to the glass melting furnace producer gas conveying method of the present embodiment, in step S101, gas branch pipes connected to the gas main and used for conveying gas to the respective small furnaces are provided. The gas branch pipe is used for connecting the gas main pipe and each small furnace, and gas can pass through the gas branch pipe and is conveyed from the gas main pipe to each small furnace. The material and shape of the gas branch pipe can be set as required, and the invention is not limited.
In step S102, a flow rate adjusting valve connected to the gas branch pipe and used for adjusting the flow rate of each of the small furnace gases is provided. The path of the gas branch pipe can be provided with a flow regulating valve so as to control the flow of the gas reserved to each small furnace according to requirements. The type of the flow regulating valve can be set as required, and is not a limitation of the present invention.
In step S103, a gas exchange controller connected with the gas branch pipe and used for gas reversing is arranged. The gas exchanger is connected with the gas branch pipe. Whereby one end of the gas branch pipe is connected to the gas main and the other end is connected to a gas exchanger. The gas exchanger can change the flow direction of the gas flowing through the gas branch pipes. For example, a first flow direction is from the gas main to each of the ports, and a second flow direction is from each of the ports to the gas main.
In step S104, a gas/flue gas shared branch flue connected to the gas exchange controller and used for conveying gas or flue gas is provided. The coal gas/flue gas shared branch flue is connected with the coal gas exchange controller. The coal gas/flue gas shared branch flue can be used for conveying coal gas or flue gas.
In step S105, a gas regenerator connected to the gas/flue gas common branch flue and used for heat exchange between gas and flue gas is provided. The coal gas heat accumulation chamber is connected with the coal gas/smoke gas shared branch flue, and coal gas is conveyed to the coal gas heat accumulation chamber or smoke gas is received from the coal gas heat accumulation chamber through the coal gas/smoke gas shared branch flue.
Specifically, the coal gas is sent into the melting furnaces of all the small furnaces through the coal gas heat accumulation chambers to participate in combustion. In addition, the flue gas in the melting furnace of each small furnace passes through a gas regenerator at the other side of the melting furnace. The coal gas and the flue gas exchange heat in the coal gas heat accumulation chamber. The flue gas is then discharged through the other side of the gas/flue gas common branch flue.
In step S106, a flue damper connected to the gas/flue gas common branch flue and used for draft adjustment of each of the small furnaces is provided. The flue adjusting gate plate is arranged on the coal gas/flue gas shared branch flue. The opening and closing of the flue adjusting shutter can control the draft of the small furnace.
In step S107, a flue gas exchange controller connected with the coal gas/flue gas shared branch flue and used for flue gas reversing is arranged. The flue gas exchange controller is arranged on the coal gas/flue gas shared branch flue and connected with the coal gas/flue gas shared branch flue. Therefore, one end of the gas/flue gas shared branch flue is connected to the gas heat accumulation chamber, and the other end of the gas/flue gas shared branch flue is connected to the flue gas exchange controller. The flow direction of the flue gas flowing through the gas/flue gas shared branch flue can be changed through the flue gas exchanger. For example, a first flow direction may be from the regenerator to the flue gas branch ducts, and a second flow direction may be from each flue gas branch duct to the regenerator.
In this embodiment, the gas exchange controller and the flue gas exchange controller operate independently. For example, a control switch is provided for the gas exchange controller to control the flow of gas through the gas exchange controller. In addition, a control switch is arranged for the flue gas exchange controller to control the flow of the flue gas flowing through the flue gas exchange controller.
In a preferred embodiment, the gas exchange controller and the flue gas exchange controller are linked to each other. For example, the arrangement is connected to the gas exchange controller and the flue gas exchange controller at the same time. Preferably, the gas exchange controller is turned on so that the flue gas exchange controller is turned off, or the gas exchange controller is turned on so that the gas exchange controller is turned off.
The gas exchange controller and the flue gas exchange controller can be independently controlled by a mechanical control mode or an electric control mode which is common in the field. For example, the gas exchange controller or the flue gas exchange controller may be controlled by a mechanical switch rigidly connected to the gas exchange controller or the flue gas exchange controller. Or the gas exchange controller or the flue gas exchange controller is controlled to be independent by an electric switch in an electromagnetic mode.
In another embodiment, a transmission station is arranged for connecting the gas exchange controller and the flue gas exchange controller, so that gas reversing and flue gas reversing in the process of melting furnace fire changing are controlled in a linkage manner through the transmission station.
In step S108, a flue gas branch flue connected to the flue gas exchange controller and used for flue gas transportation is provided. One end of the smoke branch flue is connected with the smoke exchange controller, and the other end of the smoke branch flue is connected with the gas side smoke main flue. And the flue gas is conveyed to the gas side flue gas main flue through the flue gas branch flue. Therefore, the gas/flue gas shared branch flue and the flue gas branch flue form a flue gas passage of each small furnace.
In step S109, a gas side flue gas main flue connected to the flue gas branch flue and used for flue gas transportation is provided. Therefore, the flue gas is converged into the flue gas main flue from the flue gas branch flue so as to be discharged.
An embodiment of a producer gas delivery apparatus for a glass melting furnace according to the present invention will now be described in detail with reference to FIG. 2. The glass melting furnace producer gas conveying device according to the embodiment can convey gas from a gas main pipe to a plurality of small furnaces. The gas is obtained from a gas station through a gas main and is delivered to a plurality of small furnaces.
As shown in fig. 2, the gas branch pipe of the transportation device according to the embodiment of the present invention is connected to the gas main and is used for transporting gas to the small furnaces. The gas branch pipe is used for connecting the gas main pipe and each small furnace, and gas can pass through the gas branch pipe and is conveyed from the gas main pipe to each small furnace. The material and shape of the gas branch pipe can be set as required, and the invention is not limited.
The gas branch pipe of the conveying device further comprises a flow regulating valve which is connected with the gas branch pipe and is used for regulating the flow of each small furnace gas. The path of the gas branch pipe can be provided with a flow regulating valve so as to control the flow of the gas reserved to each small furnace according to requirements. The type of the flow regulating valve can be set as required, and is not a limitation of the present invention.
The gas branch pipe of the conveying device further comprises a gas exchange controller which is connected with the gas branch pipe and used for reversing gas. Whereby one end of the gas branch pipe is connected to the gas main and the other end is connected to a gas exchanger. The gas exchanger can change the flow direction of the gas flowing through the gas branch pipes. For example, a first flow direction is from the gas main to each of the ports, and a second flow direction is from each of the ports to the gas main.
The gas branch pipe of the conveying device further comprises a gas/smoke shared branch flue which is connected with the gas exchange controller and used for conveying gas or smoke. The coal gas/flue gas shared branch flue is connected with the coal gas exchange controller. The coal gas/flue gas shared branch flue can be used for conveying coal gas or flue gas.
The gas branch pipe of the conveying device further comprises a gas regenerator which is connected with the gas/flue gas shared branch flue and is used for gas and flue gas heat exchange, and the gas regenerator sends gas into the kiln of each small furnace to participate in combustion and receives flue gas from each small furnace. The coal gas heat accumulation chamber is connected with the coal gas/smoke gas shared branch flue, and coal gas is conveyed to the coal gas heat accumulation chamber or smoke gas is received from the coal gas heat accumulation chamber through the coal gas/smoke gas shared branch flue.
The gas branch pipe of the conveying device further comprises a flue adjusting shutter which is arranged to be connected with the gas/flue gas shared branch flue and used for adjusting the draft of each small furnace. The flue adjusting gate plate is arranged on the coal gas/flue gas shared branch flue. The opening and closing of the flue adjusting gate can control the suction force of the small furnace.
The gas branch pipe of the conveying device further comprises a flue gas exchange controller which is connected with the gas/flue gas shared branch flue and is used for flue gas reversing. The flue gas exchange controller is arranged on the coal gas/flue gas shared branch flue and connected with the coal gas/flue gas shared branch flue. Therefore, one end of the gas/flue gas shared branch flue is connected to the gas heat accumulation chamber, and the other end of the gas/flue gas shared branch flue is connected to the flue gas exchange controller. The flow direction of the flue gas flowing through the gas/flue gas shared branch flue can be changed through the flue gas exchanger. For example, a first flow direction may be from the regenerator to the flue gas branch ducts, and a second flow direction may be from each flue gas branch duct to the regenerator.
In this embodiment, the gas exchange controller and the flue gas exchange controller operate independently. For example, a control switch is provided for the gas exchange controller to control the flow of gas through the gas exchange controller. In addition, a control switch is arranged for the flue gas exchange controller to control the flow of the flue gas flowing through the flue gas exchange controller.
In a preferred embodiment, the gas exchange controller and the flue gas exchange controller are linked to each other. For example, the arrangement is connected to the gas exchange controller and the smoke exchange controller in a linkage mode. Preferably, the gas exchange controller is turned on so that the flue gas exchange controller is turned off, or the gas exchange controller is turned on so that the gas exchange controller is turned off.
The gas exchange controller and the flue gas exchange controller can be independently controlled by a mechanical control mode or an electric control mode which is common in the field. For example, the gas exchange controller or the flue gas exchange controller may be controlled by a mechanical switch rigidly connected to the gas exchange controller or the flue gas exchange controller. Or the gas exchange controller or the flue gas exchange controller is controlled to be independent by an electric switch in an electromagnetic mode.
The gas branch pipe of the conveying device further comprises a smoke branch flue which is connected with the smoke exchange controller and used for smoke conveying. One end of the smoke branch flue is connected with the smoke exchange controller, and the other end of the smoke branch flue is connected with the gas side smoke main flue. And the flue gas is conveyed to the gas side flue gas main flue through the flue gas branch flue. Therefore, the gas/flue gas shared branch flue and the flue gas branch flue form a flue gas passage of each small furnace.
The gas branch pipe of the conveying device further comprises a gas side flue gas main flue which is connected with the flue gas branch flue and used for conveying flue gas. Therefore, the smoke is merged into the smoke main flue from the smoke branch flue so as to be discharged.
An example of implementing a conveying method according to an embodiment of the present invention using a conveying apparatus according to an embodiment of the present invention will now be described in detail with reference to fig. 1 and 2.
The device according to the invention comprises: a gas main pipe 1 for conveying gas, a gas branch pipe 2 for conveying gas, a gas exchange controller 3 for reversing gas, a flow control valve 9 connected with the gas branch pipe 2 for regulating the gas flow of each small furnace, a gas/flue gas shared branch flue 6 connected with the gas/flue gas shared branch flue 6, a gas heat storage chamber 5 for exchanging gas and flue gas, a flue gas/flue gas shared branch flue 6 connected with the gas/flue gas shared branch flue 6, a flue gas regulation flashboard 10 for regulating the suction force of each small furnace, a flue gas exchange controller 4 connected with the gas/flue gas shared branch flue 6, a flue gas exchange controller 4 for reversing flue gas, and the flue gas exchange controller 4, a flue gas branch flue 7 for conveying flue gas, a coal gas side flue gas main flue 8 connected with the flue gas branch flue 7 for conveying flue gas.
In actual production, coal gas is fed into the melting furnace to participate in combustion through a coal gas main pipe 1 connected to the lower part of the melting furnace, a coal gas branch pipe 2 connected from the coal gas main pipe 1, a coal gas flow regulating valve 9 arranged on each coal gas branch pipe 2, a coal gas exchange controller 3 of each small furnace and a coal gas/flue gas shared branch flue 6 and a coal gas regenerator 5 on the side in sequence. The distribution of the fuel can be accurately controlled by utilizing the gas flow regulating valve 9, and the supply according to the requirement is realized, so that a reasonable fuel configuration system is established, the temperature system in the melting furnace can be stabilized, and the unnecessary consumption of the fuel can be reduced.
The smoke exhausted from the side of the gas heat storage chamber in the melting furnace sequentially passes through a gas heat storage chamber 5 at the other side of the melting furnace, a gas/smoke shared branch flue 6, a flue adjusting gate 10, a smoke exchange controller 4 and a smoke branch flue 7, is converged into a gas side smoke main flue 8, is then converged with the smoke exhausted from the air heat storage chamber and is sequentially discharged. The draft of each small furnace can be independently controlled by the smoke branch flue 7, and the adverse factor of uneven heat exchange caused by uneven channel resistance of each small furnace is eliminated.
When one side of the melting furnace burns for a period of time, the temperature of the brick material in the regenerator chamber rises to a certain degree, and then the fire needs to be changed. According to the fire changing program, a transmission mechanism of the fire changing equipment is started, the gas exchange controller 3 on one side of the melting furnace is used for cutting off the gas from being conveyed into the furnace, the gas exchange controller 4 on the other side of the melting furnace is used for cutting off the gas from being conveyed into the flue gas branch flue 7 and the gas side flue gas main flue 8, the gas exchange controller 4 on one side of the melting furnace is used for connecting the gas from being conveyed into the flue gas branch flue 7 and the gas side flue gas main flue 8, the gas exchange controller 3 on the other side of the melting furnace is used for connecting the gas from being conveyed into the furnace, and the gas reversing is successful.
The invention has the following advantages:
(1) according to the method, the coal gas enters the coal gas/flue gas shared branch flue after passing through the coal gas main pipe, the coal gas branch pipe and the coal gas exchange controller in sequence, so that the link of conveying the coal gas in the coal gas main flue is reduced, the unnecessary discharge of a large amount of coal gas during each fire change is avoided, unsafe factors causing 'blasting' are eliminated, and precious fuel is saved.
(2) According to the method, the gas reversing and the flue gas reversing can be separately controlled in the melting furnace fire changing process. The gas exchange controllers and the flue gas exchange controllers on the two sides of the melting furnace are separately operated, the gas can be cut off from being conveyed into the melting furnace in advance according to a fire exchange program, and no intermediate communication state exists in the switching process, so that the uncontrollable property of the gas during reversing is reduced, the danger of mixing the gas and the air in the main flue is avoided, the safety accidents such as blasting and the like are avoided, and the great influence on the glass quality and the yield is avoided.
(3) The method can effectively reduce the content of the coal gas in the flue gas returned from the coal gas regenerator and the branch flue, thereby avoiding forming mixed gas in an explosion limit range in the subsequent flue, eliminating unsafe factors, ensuring the safety of production and saving the fuel consumption.
(4) The method can accurately control the distribution of the fuel and realize the supply according to the requirement, thereby establishing a reasonable fuel configuration system, stabilizing the temperature system in the melting furnace and reducing the unnecessary consumption of the fuel.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. The technical solutions available to a person skilled in the art through logical analysis, reasoning or limited experiments based on the prior art according to the concept of the present invention are all within the scope of protection defined by the claims.
Claims (10)
1. A glass melting furnace producer gas conveying method conveys gas from a gas main pipe to a plurality of small furnaces, and is characterized by comprising the following steps:
(a) the gas branch pipes are connected with the gas main pipe and used for conveying gas to the small furnaces;
(b) a flow regulating valve which is connected with the gas branch pipe and is used for regulating the gas flow of each small furnace;
(c) a gas exchange controller connected with the gas branch pipe and used for gas reversing is arranged; the gas flows from the gas main to the small furnaces in a first flow direction, and flows from the small furnaces to the gas main in a second flow direction;
(d) a coal gas/flue gas shared branch flue which is connected with the coal gas exchange controller and is used for conveying coal gas or flue gas is arranged;
(e) a coal gas heat accumulation chamber which is connected with the coal gas/flue gas shared branch flue and is used for heat exchange of the coal gas and the flue gas is arranged, the coal gas heat accumulation chamber sends the coal gas into the kiln of each small furnace to participate in combustion, and receives the flue gas from each small furnace;
(f) a flue adjusting gate plate which is connected with the coal gas/flue gas shared branch flue and is used for adjusting the suction of each small furnace is arranged;
(g) a flue gas exchange controller connected with the coal gas/flue gas shared branch flue and used for flue gas reversing is arranged; a first flow direction from the regenerator to the flue gas branch flues and a second flow direction from each flue gas branch flue to the regenerator;
(h) a flue gas branch flue which is connected with the flue gas exchange controller and is used for conveying flue gas is arranged; and
(i) a gas side flue gas main flue connected with the flue gas branch flue and used for conveying flue gas is arranged;
the gas exchange controller or the flue gas exchange controller is controlled by a rigid connection mechanical switch or an electric switch in an electromagnetic mode.
2. The glass melter producer gas conveying method of claim 1 wherein the gas exchange controller and the flue gas exchange controller operate independently; or the gas exchange controller and the smoke exchange controller are in linkage action, wherein the gas exchange controller can be closed by opening the gas exchange controller, or the gas exchange controller can be closed by opening the smoke exchange controller.
3. The glass melter producer gas conveying method of claim 1 wherein the gas exchange controller comprises a plurality of gas exchange controllers and the plurality of gas exchange controllers are ganged together; and/or the smoke exchange controller comprises a plurality of smoke exchange controllers, and the smoke exchange controllers are in linkage action.
4. The glass melter producer gas conveying method of claim 3 wherein the gas/flue gas common branch flue and the flue gas branch flue constitute flue gas passages of the individual cells.
5. The novel glass melter producer gas conveying method of claim 4 wherein the flue gas branch flues merge with the gas side flue gas main flue.
6. A glass melting furnace producer gas conveying device conveys gas from a gas main pipe to a plurality of small furnaces, and is characterized by comprising the following steps:
the gas branch pipe is connected with the gas main pipe and is used for conveying gas to each small furnace;
the flow regulating valve is connected with the gas branch pipe and is used for regulating the flow of each small furnace gas;
the gas exchange controller is arranged to be connected with the gas branch pipe and is used for reversing gas; the gas flows from the gas main to the small furnaces in a first flow direction, and flows from the small furnaces to the gas main in a second flow direction;
the gas/flue gas shared branch flue is connected with the gas exchange controller and is used for conveying gas or flue gas;
the gas regenerator is connected with the gas/flue gas shared branch flue and is used for gas and flue gas heat exchange, and the gas regenerator sends gas into the kilns of the small furnaces to participate in combustion and receives flue gas from the small furnaces;
the flue adjusting gate is connected with the coal gas/flue gas shared branch flue and is used for adjusting the suction force of each small furnace;
the flue gas exchange controller is arranged to be connected with the gas/flue gas shared branch flue and is used for flue gas reversing; a first flow direction from the regenerator to the flue gas branch flues and a second flow direction from each flue gas branch flue to the regenerator;
the smoke branch flue is connected with the smoke exchange controller and used for smoke conveying; and
the gas side flue gas main flue is connected with the flue gas branch flues and is used for conveying flue gas;
the gas exchange controller or the smoke exchange controller is controlled by a rigid connection mechanical switch or an electric switch in an electromagnetic mode.
7. The glass melter producer gas delivery apparatus of claim 6 wherein the gas exchange controller operates independently of the flue gas exchange controller; or the gas exchange controller and the smoke exchange controller are in linkage action, wherein the gas exchange controller can be closed by opening the gas exchange controller, or the gas exchange controller can be closed by opening the smoke exchange controller.
8. The glass melter producer gas delivery apparatus of claim 6 wherein the gas exchange controller comprises a plurality of gas exchange controllers and the plurality of gas exchange controllers are operatively linked; and/or the smoke exchange controller comprises a plurality of smoke exchange controllers, and the smoke exchange controllers are in linkage action.
9. The glass melter producer gas delivery apparatus of claim 8, wherein the gas/flue gas common branch flue and the flue gas branch flue comprise flue gas passages of the respective cells.
10. The glass melter producer gas delivery device of claim 9 wherein the flue gas branch flues merge with the gas side flue gas main flue.
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| US7062912B2 (en) * | 2002-02-25 | 2006-06-20 | American Air Liquide, Inc. | Integrated heat recovery systems and methods for increasing the efficiency of an oxygen-fired furnace |
| CN101696083B (en) * | 2009-10-30 | 2012-07-04 | 中国建材国际工程有限公司 | Sectional reversing gas supply device for glass melter and gas supply method thereof |
| CN203065336U (en) * | 2013-01-30 | 2013-07-17 | 九江金凤凰装饰材料有限公司 | Smoke removal air-supply device for preparing microcrystalline glass |
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