CN212456846U - Energy-saving combustion system capable of automatically controlling air-gas ratio - Google Patents
Energy-saving combustion system capable of automatically controlling air-gas ratio Download PDFInfo
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- CN212456846U CN212456846U CN202021371484.8U CN202021371484U CN212456846U CN 212456846 U CN212456846 U CN 212456846U CN 202021371484 U CN202021371484 U CN 202021371484U CN 212456846 U CN212456846 U CN 212456846U
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Abstract
The utility model discloses an energy-conserving combustion system of automatic control wind gas ratio, including the nozzle shell, the nozzle shell is connected with the gas hose through first union joint, be provided with first throttle piece in the first union joint, the nozzle shell is connected with combustion-supporting tuber pipe through the second union joint, be provided with second throttle piece in the second union joint, the utility model discloses can guarantee to get into velocity of flow, the proportion unanimity basically of every nozzle gas and combustion-supporting wind to realize the control of becoming more meticulous, make every nozzle gas and combustion-supporting wind be in best burning ratio all the time, thereby reach energy-conserving effect.
Description
Technical Field
The utility model relates to a combustion apparatus especially relates to an energy-conserving combustion system of automatic control wind gas ratio.
Background
The ceramic is sintered in a kiln at high temperature, and the combustion system is a core component for providing heating for the kiln.
The ceramic kiln generally uses gas as main fuel, and the gas is mixed and combusted through air, when excessive air exists, the excessive air is heated to the firing temperature in the kiln in the combustion process, so that not only is the fuel wasted, but also the power of a fan is consumed for discharging the waste gas, and the electric energy is increased; on the contrary, when the combustion is incomplete, the energy consumption is increased by the redundant fuel, and the production cost is increased.
In actual production, when the fuel components are different, the heat value is different, and the required air ratio difference is larger, for example, the heat value is about 1:10 of the volume ratio of the completely combusted natural gas and air, and the volume ratio of the completely combusted liquefied petroleum gas and air is about 1: 25. At present, the size of combustion-supporting air is generally fixed, a plurality of burner gas electric valves of each group are automatically adjusted according to the temperature in a kiln, but due to the influences of factors such as the length of a pipeline, a curve, the size of a drift diameter, the manufacturing precision and the like, when gas enters a burner, the flow speed and the flow are different, so that the combustion state is inconsistent, namely the combustion ratio of each burner is changed, in order to solve the problem of air-air ratio, the pressure proportional valve of the whole group of burners for controlling the air ratio, the burner of a premixing structure outside the kiln, a secondary air burner and the like are arranged on the market at present, but the structure is complex, the cost is higher, and the effect of some modes is also.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an energy-conserving combustion system of automatic control wind gas ratio to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.
The utility model provides a solution of its technical problem is:
the utility model provides an energy-conserving combustion system of automatic control wind-gas ratio, includes the nozzle shell, the nozzle shell is connected with the gas hose through first union coupling, be provided with first throttling piece in the first union coupling, the nozzle shell is connected with combustion-supporting tuber pipe through the second union coupling, be provided with second throttling piece in the second union coupling.
The technical scheme at least has the following beneficial effects: according to the needs of actual use, the gas hose and the combustion-supporting air pipe need different apertures, and the gas hose is connected to the burner shell through the first union joint, the combustion-supporting air pipe is connected to the burner shell through the second union joint, the disassembly and assembly are more convenient when in use, and the aperture size of the first throttle piece in the first union joint and the aperture size of the second throttle piece in the second union joint can be determined according to the power and the gas property exerted by the burner, the air proportion required when different gases are completely combusted is different, for example, when the utility model is applied to the preheating zone in the kiln path, the burner is combusted and heated, a high-power burner is required, the aperture of the first throttle piece and the aperture of the second throttle piece are increased in the same ratio, the burner is applied to the firing heat preservation zone, the heat preservation is mainly performed, the aperture of the first throttle piece and the aperture of the second throttle piece are reduced in the same ratio, and if the difference of the temperature difference of the inner section of the kiln is, The burner nozzles with different length of the combustion chamber or different local atmospheres in the kiln can adjust the air quantity in a power-driven centralized manner by one gas, so the apertures of the first throttling sheet and the second throttling sheet can be flexibly adjusted according to the power of the burner nozzles, the aperture sizes of the first throttling sheet and the second throttling sheet can be adjusted according to the optimal ratio of the gas to the combustion-supporting air, whether the sources of the gas and the combustion-supporting air are stable or not, after the throttling sheets are installed, the flow rate and the proportion of the gas and the combustion-supporting air entering each burner nozzle of the same group can be basically consistent, fine control is realized, the gas and the combustion-supporting air of each burner are always in the optimal combustion ratio, and the energy-saving effect is achieved.
As a further improvement of the technical scheme, the utility model discloses still include the burner block, be provided with the through passage in the burner block, be provided with the burner core on the burner shell, the burner core is located in the through passage. The burner core of the burner is arranged in the through passage of the burner brick, the burner brick is different from bricks on a kiln wall, and the burner brick can be made of firmer materials, high-temperature resistant materials and good thermal shock stability due to the fact that a main heating structure is installed, and after the burner brick is built into the kiln wall, the cost can be better controlled while the whole kiln wall is protected from being burnt out.
As a further improvement of the technical scheme, a first connecting flange is arranged on the burner shell, and the burner shell is connected with the burner block through the first connecting flange. And fixing the burner shell on the burner block by using the first flange.
As a further improvement of the technical scheme, an asbestos pad is arranged at the joint of the first connecting flange and the burner block. And the asbestos pad is used for blocking between the burner block and the first connecting flange, so that the heat insulation effect is improved.
As a further improvement of the technical scheme, the burner core is sleeved with a silicon carbide sleeve, the silicon carbide sleeve is provided with a second connecting flange, the silicon carbide sleeve is positioned in the through passage, and the silicon carbide sleeve is connected to the burner block through the second connecting flange. So whole then becomes to carry out first heavy protection by the burner block to the kiln wall, carries out the second by the carborundum cover to the kiln wall again and protects, and during operation, the gas that the nozzle core flows out enters into the carborundum cover, mixes with combustion-supporting wind, burns and spouts into the kiln and heats after lighting a fire, even carborundum breaks or is damaged, the burner block still can protect the kiln wall not burnt out.
As a further improvement of the technical scheme, a ceramic paper pad is arranged between the second connecting flange and the burner shell. Utilize ceramic paper pad separation between nozzle shell and second flange, improve thermal-insulated effect.
As a further improvement of the technical scheme, a third connecting flange is arranged on the burner block. The burner block can be connected to an external kiln body frame through a third connecting flange.
As a further improvement of the technical scheme, the combustion-supporting air pipe is a corrugated pipe. The combustion-supporting air pipe can be stretched, and the use is more convenient.
As a further improvement of the technical scheme, the gas hose is provided with an electromagnetic valve and a ball valve. The electromagnetic valve can control the on-off of the gas, and the ball valve can control the gas inflow of the gas.
As a further improvement of the technical scheme, a butterfly valve is arranged on the combustion-supporting air pipe. The air intake of the combustion-supporting air can be better controlled by utilizing the butterfly valve.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
FIG. 1 is a schematic structural view of a burner housing, a combustion-supporting air pipe and a gas hose of the present invention;
FIG. 2 is the schematic view of the structure of the burner housing and burner block.
In the drawings: 100-burner shell, 110-burner core, 120-first connecting flange, 130-ceramic paper pad, 140-silicon carbide sleeve, 150-second connecting flange, 160-asbestos pad, 200-combustion-supporting air pipe, 210-butterfly valve, 300-gas hose, 310-electromagnetic valve, 320-ball valve, 400-burner brick and 410-third connecting flange.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
Referring to fig. 1, the energy-saving combustion system capable of automatically controlling the air-air ratio comprises a burner shell 100, wherein the burner shell 100 is connected with a gas hose 300 through a first movable joint, a first throttling sheet is arranged in the first movable joint, the burner shell 100 is connected with a combustion-supporting air pipe 200 through a second movable joint, and a second throttling sheet is arranged in the second movable joint.
From the above, according to the needs of practical use, the gas hose 300 and the combustion-supporting air pipe 200 need different apertures, and here the gas hose 300 is connected to the burner shell 100 through the first union joint, the combustion-supporting air pipe 200 is connected to the burner shell 100 through the second union joint, the dismounting is more convenient when in use, and the aperture size of the first throttle plate in the first union joint and the second throttle plate in the second union joint can be determined according to the power exerted by the burner and the gas property, the air proportion needed when different gases are completely combusted is different, for example, when the utility model is applied to the preheating zone in the kiln path, the burner is combusted and heated, a high-power burner is needed, the aperture ratio of the first throttle plate and the second throttle plate is increased, and the burner is applied to the firing insulation zone, mainly for heat insulation, the aperture ratio of the first throttle plate and the second throttle plate is decreased, and for example, different flame-spraying outlet temperature difference is set for adjusting the section in the kiln, The burner nozzles with different length of the combustion chamber or different local atmospheres in the kiln can adjust the air quantity in a power-driven centralized manner by one gas, so the apertures of the first throttling sheet and the second throttling sheet can be flexibly adjusted according to the power of the burner nozzles, the aperture sizes of the first throttling sheet and the second throttling sheet can be adjusted according to the optimal ratio of the gas to the combustion-supporting air, whether the sources of the gas and the combustion-supporting air are stable or not, after the throttling sheets are installed, the flow rate and the proportion of the gas and the combustion-supporting air entering each burner nozzle of the same group can be basically consistent, fine control is realized, the gas and the combustion-supporting air of each burner are always in the optimal combustion ratio, and the energy-saving effect is achieved.
As shown in fig. 2, in order to reduce the damage of the burner to the kiln wall in the using process, the utility model discloses still include burner block 400, be provided with the through passage in the burner block 400, be provided with burner core 110 on the burner shell 100, burner core 110 is located in the through passage. The burner core 110 of the burner is arranged in the through passage of the burner block 400, the burner block 400 is different from the brick on the kiln wall, because the main heating structure is arranged, the material which is firmer, high temperature resistant and good in thermal shock stability can be selected, and after the burner block 400 is built into the kiln wall, the whole kiln wall can be protected from being burnt out, and meanwhile, the cost is better controlled.
In some embodiments, a first connecting flange 120 is disposed on the burner housing 100, and the burner housing 100 is connected to the burner block 400 through the first connecting flange 120. The burner housing 100 is fixed to the burner block 400 by means of a first flange.
As a further example of the connection of the burner housing 100 to the burner block 400, an asbestos pad 160 is provided at the connection of the first connecting flange 120 to the burner block 400. The asbestos pad 160 is used for blocking the space between the burner block 400 and the first connecting flange 120, so that the heat insulation effect is improved.
In order to further reduce the damage of the burner to the kiln wall in the using process, the burner core 110 is externally sleeved with a silicon carbide sleeve 140, a second connecting flange 150 is arranged on the silicon carbide sleeve 140, the silicon carbide sleeve 140 is located in the through passage, and the silicon carbide sleeve 140 is connected to the burner block 400 through the second connecting flange 150. Therefore, the whole process is changed into the process that the burner block 400 carries out first protection on the kiln wall, and then the silicon carbide sleeve 140 carries out second protection on the kiln wall, when the burner block works, the fuel gas flowing out of the burner core 110 enters the silicon carbide sleeve 140, is mixed with combustion-supporting air, is ignited and then is combusted and sprayed into the kiln for heating, and even if the silicon carbide is cracked or damaged, the burner block 400 can still protect the kiln wall from being burnt.
Further embodiments of the connection of the burner block 400 to the silicon carbide sleeve 140, a ceramic paper mat 130 is provided between the second connecting flange 150 and the burner housing 100. The ceramic paper pad 130 is used for blocking between the burner shell 100 and the second connecting flange 150, so that the heat insulation effect is improved.
In order to make the burner block 400 more firmly connected and fixed, a third connecting flange 410 is provided on the burner block 400. The burner block 400 may be connected to an external kiln body frame by a third connecting flange 410.
As a further embodiment of the combustion-supporting air duct 200, the combustion-supporting air duct 200 is a bellows. The combustion-supporting air pipe 200 can be stretched, and the use is more convenient.
In some embodiments, the gas hose 300 is provided with an electromagnetic valve 310 and a ball valve 320, the electromagnetic valve 310 can control the on/off of the gas, the ball valve 320 can control the gas inflow, the combustion air duct 200 is provided with a butterfly valve 210, and the butterfly valve 210 can better control the intake of the combustion air. According to different types of gas, the first throttling sheet, the second throttling sheet, the ball valve 320 and the butterfly valve 210 control the volume ratio of the gas in the air to be outside an ignition concentration range, for example, the natural gas amount is outside the range of 5-15% and the coke oven gas is outside the range of 6% -31%, the liquefied petroleum gas is scientifically designed according to the components of the liquefied petroleum gas to prevent accidents such as explosion of a gas mixing tank caused by backfire, electromagnetic valves 310 are arranged on each group of gas pipes and each burner gas branch pipe, and the gas mixing tank is immediately closed when power is cut off to ensure safety.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.
Claims (10)
1. The utility model provides an energy-conserving combustion system of automatic control wind gas ratio which characterized in that: including nozzle shell (100), nozzle shell (100) are connected with gas hose (300) through first union coupling, be provided with first throttling plate in the first union coupling, nozzle shell (100) are connected with combustion-supporting tuber pipe (200) through the second union coupling, be provided with second throttling plate in the second union coupling.
2. The energy-saving combustion system capable of automatically controlling air-gas ratio according to claim 1, characterized in that: the burner is characterized by further comprising a burner block (400), a through passage is arranged in the burner block (400), a burner core (110) is arranged on the burner shell (100), and the burner core (110) is located in the through passage.
3. The energy-saving combustion system capable of automatically controlling air-gas ratio according to claim 2, characterized in that: the burner shell (100) is provided with a first connecting flange (120), and the burner shell (100) is connected with the burner block (400) through the first connecting flange (120).
4. The energy-saving combustion system capable of automatically controlling air-gas ratio according to claim 3, characterized in that: and an asbestos pad (160) is arranged at the joint of the first connecting flange (120) and the burner block (400).
5. The energy-saving combustion system capable of automatically controlling air-gas ratio according to claim 2, characterized in that: the burner is characterized in that a silicon carbide sleeve (140) is sleeved outside the burner core (110), a second connecting flange (150) is arranged on the silicon carbide sleeve (140), the silicon carbide sleeve (140) is located in the through passage, and the silicon carbide sleeve (140) is connected to the burner block (400) through the second connecting flange (150).
6. The energy-saving combustion system capable of automatically controlling air-gas ratio according to claim 5, characterized in that: and a ceramic paper pad (130) is arranged between the second connecting flange (150) and the burner shell (100).
7. The energy-saving combustion system capable of automatically controlling air-gas ratio according to claim 2, characterized in that: and a third connecting flange (410) is arranged on the burner block (400).
8. The energy-saving combustion system capable of automatically controlling air-gas ratio according to claim 1, characterized in that: the combustion-supporting air pipe (200) is a corrugated pipe.
9. The energy-saving combustion system capable of automatically controlling air-gas ratio according to claim 1, characterized in that: the gas hose (300) is provided with an electromagnetic valve (310) and a ball valve (320).
10. The energy-saving combustion system capable of automatically controlling air-gas ratio according to claim 1, characterized in that: and a butterfly valve (210) is arranged on the combustion-supporting air pipe (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021371484.8U CN212456846U (en) | 2020-07-13 | 2020-07-13 | Energy-saving combustion system capable of automatically controlling air-gas ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021371484.8U CN212456846U (en) | 2020-07-13 | 2020-07-13 | Energy-saving combustion system capable of automatically controlling air-gas ratio |
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| Publication Number | Publication Date |
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| CN212456846U true CN212456846U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021371484.8U Active CN212456846U (en) | 2020-07-13 | 2020-07-13 | Energy-saving combustion system capable of automatically controlling air-gas ratio |
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| CN (1) | CN212456846U (en) |
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- 2020-07-13 CN CN202021371484.8U patent/CN212456846U/en active Active
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