Coal gas conveying and adjusting mechanism of hot blast stove

文档序号:5115 发布日期:2021-09-17 浏览:55次 中文

1. The utility model provides a coal gas of hot-blast furnace carries adjustment mechanism, includes furnace body (1), its characterized in that: the utility model discloses a fire stove, including furnace body (1), gas inlet (2) have been seted up in the left side of furnace body (1), lower extreme fixed mounting on furnace body (1) inner chamber right side has fires burning furnace (3), the left side fixed mounting of furnace body (1) inner chamber has logical tobacco pipe (4), gas outlet (5) have been seted up on the right side of furnace body (1) upper end, the upper end movable mounting who fires burning furnace (3) inner chamber has drive fan (6), the outside fixedly connected with of drive fan (6) is located fires driving barrel (7) in the burning furnace (3) outside, the upper end swing joint of driving barrel (7) has the fan of blowing (8) that is located fires burning furnace (3) top, the blade of fan of blowing (8) and drive fan (6) all is certain angle distortion.

2. The gas conveying adjusting mechanism of the hot blast stove according to claim 1, characterized in that: the lower extreme movable mounting of burning furnace (3) inner chamber has driven dish (9), and one side fixedly connected with semicircular lug of driven dish (9) upper surface, driven dish (9) and transmission cylinder (7) lower extreme are magnetic material and make, and the adjacent surface magnetic pole difference of the two, the middle part fixedly connected with well core rod (10) of burning furnace (3) inner chamber bottom surface, and well core rod (10) upper end is the ball form, the bottom surface swing joint of burning furnace (3) inner chamber has flourishing charging tray (11) that is located well core rod (10) upper end outside.

3. The gas conveying adjusting mechanism of the hot blast stove according to claim 1, characterized in that: the right side fixed mounting of furnace body (1) upper end has check valve (12) that is located gas outlet (5) below, and the direction of switching on of check valve (12) is from bottom to top, adjustment tank (13) have been seted up to furnace body (1) right side lateral wall, and the upper end and gas outlet (5) intercommunication of adjustment tank (13), the middle part movable mounting of adjustment tank (13) has movable rod (14), and movable rod (14) are "L" form, the bottom surface of movable rod (14) and the bottom surface of adjustment tank (13) pass through spring (15) swing joint, movable groove (16) have been seted up at the middle part in the transmission section of thick bamboo (7) outside, the outside swing joint of movable groove (16) has regulating block (17) that is located the transmission section of thick bamboo (7) outside, and the horizontal pole joint of middle part and movable rod (14) of regulating block (17), the outside of blowing fan (8) upper end and regulating block (17) upper surface pass through connecting rod (18) fixed connection, and the movable connection part of the blowing fan (8) and the transmission cylinder (7) can rotate left and right.

4. The gas conveying adjusting mechanism of the hot blast stove according to claim 3, characterized in that: the blowing fan (8) rotates around the inner side by an angle of zero to ninety degrees.

Background

The hot blast stove is a thermal power machine, and is widely applied in China at the end of the 70 th 20 th century, and becomes an updating product of an electric heat source and a traditional steam power heat source in many industries, the hot blast stove has many varieties and complete series, the hot blast stove is divided into a hand-burning mode and a machine-burning mode in a coal-adding mode, the hot blast stove is divided into a coal furnace, an oil furnace, a gas furnace and the like in fuel types, and fuel is combusted, so that high-temperature smoke is generated to heat a pipeline or a lattice body, the temperature of gas flowing through the outer surface of the pipeline or the lattice body is quickly raised, the required temperature in a gas processing furnace cavity is quickly reached, the combustion efficiency of the gas is greatly improved, the effect of saving the gas is reached, the temperature adjusting range of the hot blast stove is wide, but the hot blast stove is often suitable for processing most of materials at about five hundred ℃.

When the traditional hot blast stove is used, a gas conveying mechanism is required to be specially arranged so as to conveniently inject gas into the processing stove, so that only heat in the hot blast stove is utilized, the flow of smoke is not effectively utilized, a large amount of energy is wasted, the production cost and the maintenance cost are increased, meanwhile, when a chimney exhausting outwards is blocked and the like due to continuous gas conveying in the processing stove, too much waste gas in the processing stove can be generated, the material processing is influenced, the gas conveying efficiency in the hot blast stove is required to be adjusted by a gas control mechanism, but the phenomenon that the normal adjustment cannot be realized due to the fault of an inductor often exists when a sensor is used, a physical mechanism is required to be arranged, the conveying quantity of the gas is automatically adjusted to be used as final insurance, and when the hot blast stove burns the material, the accumulation of the material can occur, the insufficient combustion of the bottom or the internal materials is easy to occur, so that the condition of fuel waste is caused, and the material processing cost is increased.

Disclosure of Invention

Aiming at the defects of the existing hot blast stove in the use process in the background technology, the invention provides a gas conveying adjusting mechanism of the hot blast stove, which has the advantages of gas conveying, gas transmission adjusting and fuel shaking and solves the technical problems of large energy waste, inconvenient adjustment of gas transmission amount and insufficient fuel combustion when the hot blast stove is used.

The invention provides the following technical scheme: the utility model provides a coal gas of hot-blast furnace carries adjustment mechanism, includes the furnace body, the gas inlet has been seted up in the left side of furnace body, the lower extreme fixed mounting on furnace body inner chamber right side has fires burning furnace, the left side fixed mounting of furnace body inner chamber has logical tobacco pipe, the gas outlet has been seted up on the right side of furnace body upper end, the upper end movable mounting of burning furnace inner chamber has the drive fan, the outside fixedly connected with of drive fan is located the driving cylinder who fires the burning furnace outside, the upper end movable connection of driving cylinder has the fan of blowing that is located fires burning furnace top, the fan of blowing and the blade of drive fan all are certain angle distortion.

Preferably, the lower extreme movable mounting of combustion furnace inner chamber has the driven plate, and the semicircular lug of one side fixedly connected with of driven plate upper surface, driven plate and driving cylinder lower extreme are magnetic material and make, and the two adjacent surface magnetic poles are different, the middle part fixedly connected with well core rod of combustion furnace inner chamber bottom surface, and well core rod upper end is the ball form, the bottom surface swing joint of combustion furnace inner chamber has the material containing tray that is located well core rod upper end outside.

Preferably, the right side fixed mounting of furnace body upper end has the check valve that is located the gas outlet below, and the direction of switching on of check valve is from bottom to top, the adjustment tank has been seted up to furnace body right side lateral wall, and the upper end and the gas outlet intercommunication of adjustment tank, the middle part movable mounting of adjustment tank has the movable rod, and the movable rod is "L" form, the bottom surface of movable rod and the underrun spring swing joint of adjustment tank, the movable groove has been seted up at the middle part in the driving barrel outside, the outside swing joint in movable groove has the regulating block that is located the driving barrel outside, and the middle part of regulating block and the transverse bar joint of movable rod, the outside and the regulating block upper surface of the fan upper end of blowing pass through connecting rod fixed connection, and blow fan and driving barrel swing joint department ability horizontal rotation.

Preferably, the blowing fan is rotated around the inner side by an angle of zero to ninety degrees.

The invention has the following beneficial effects:

1. according to the invention, the coal gas conveying mechanism is arranged, so that when the air heater is normally used, fuel in the combustion furnace is combusted to generate a large amount of flue gas, when the flue gas flows to the smoke through pipe, the driving fan drives the transmission cylinder to transversely rotate under the action of the driving fan on the top of the combustion furnace impacted by the flue gas, so that the transmission cylinder drives the blowing fan to transversely rotate, and under the action of the blowing fan which is twisted at a certain angle, the blowing fan generates upward thrust on the gas in the inner cavity of the furnace body so as to upwards convey the coal gas in the furnace body, and under the action of continuous rotation, the hot-blast stove continuously conveys the coal gas when in normal operation;

2. according to the invention, the gas transmission adjusting mechanism is arranged, so that in the processing furnace connected with the gas outlet, due to insufficient exhaust efficiency of the chimney, excessive waste gas is generated, the air pressure in the processing furnace is too high, the normal processing of the processing furnace is influenced, under the action of the adjusting groove, the excessive waste gas flows into the adjusting groove, and downward pressure is generated on the upper end of the movable rod, so that the movable rod overcomes the elastic force of the spring to move downwards and drives the adjusting block to move downwards, the connecting rod synchronously moves downwards, the outermost side of the blowing fan in the gas conveying mechanism deflects downwards, and the blowing efficiency of the blowing fan is reduced along with the increase of the waste gas amount in the processing furnace;

3. the invention has the advantages that the fuel shaking mechanism is arranged, when the hot blast stove normally works, the coal gas conveying mechanism drives the transmission cylinder to transversely rotate, the lower end of the transmission cylinder and the driven disc are made of magnetic materials, the transmission cylinder drives the driven disc to transversely rotate under the action of the magnetic difference of the adjacent ends of the transmission cylinder and the driven disc, the convex blocks circularly move around the central rod under the action of the semicircular convex blocks fixedly connected to the upper end of one side of the driven disc, and the peripheries of the material containing discs are jacked up one by one, so that the fuel on the material containing discs is continuously shaken, the unburnt fuel is exposed, and the combustion efficiency of the fuel is increased.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a gas delivery regulation state of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. a furnace body; 2. an air inlet; 3. a combustion furnace; 4. ventilating a smoke pipe; 5. an air outlet; 6. driving the fan; 7. a transmission cylinder; 8. an air blowing fan; 9. a driven plate; 10. a center pole; 11. a material containing tray; 12. a one-way valve; 13. an adjustment groove; 14. a movable rod; 15. a spring; 16. a movable groove; 17. an adjusting block; 18. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a gas conveying and adjusting mechanism of a hot blast stove comprises a stove body 1, a gas inlet 2 is arranged at the left side of the stove body 1, a combustion furnace 3 is fixedly arranged at the lower end of the right side of the inner cavity of the stove body 1, a smoke tube 4 is fixedly arranged at the left side of the inner cavity of the stove body 1, a gas outlet 5 is arranged at the right side of the upper end of the stove body 1, a driving fan 6 is movably arranged at the upper end of the inner cavity of the combustion furnace 3, so that when fuel is rapidly combusted in the combustion furnace 3 to generate smoke gas to be circulated outwards, the driving fan 6 can be impacted by the smoke gas to transversely rotate, a transmission cylinder 7 positioned at the outer side of the combustion furnace 3 is fixedly connected at the outer side of the driving fan 6, when the transmission cylinder 7 transversely rotates, the transmission cylinder 7 can be driven to synchronously transversely rotate, a blowing fan 8 positioned above the combustion furnace, the transmission cylinder 7 can drive the blowing fan 8 to rotate transversely while rotating transversely, and the blowing fan 8 and the driving fan 6 are twisted at a certain angle, so that the wind power generated by the rotation of the blowing fan 8 flows upwards, and the coal gas in the inner cavity of the furnace body 1 is conveyed to the gas outlet 5 quickly.

Wherein, the lower end of the inner cavity of the combustion furnace 3 is movably provided with a driven plate 9, one side of the upper surface of the driven plate 9 is fixedly connected with a semicircular lug, the lower ends of the driven plate 9 and the transmission cylinder 7 are made of magnetic materials, the adjacent surfaces of the driven plate 9 and the transmission cylinder 7 have different magnetic poles, the transmission cylinder 7 can drive the driven plate 9 to transversely rotate under the action of a gas conveying mechanism through magnetic coupling, the maximum rotating speed of the driven plate 9 is limited under the action of the magnetic coupling, the driven plate 9 can rotate at a slower speed while the transmission cylinder 7 rotates rapidly due to the normal work of the gas conveying mechanism, the middle part of the bottom surface of the inner cavity of the combustion furnace 3 is fixedly connected with a central rod 10, the upper end of the central rod 10 is in a spherical shape, the bottom surface of the inner cavity of the combustion furnace 3 is movably connected with a material containing plate 11 positioned outside the upper end of the central rod 10, so that the driven plate 9 transversely rotates at a slower speed, can make the outside of containing dish 11 periodically by jack-up upwards through the lug of driven plate 9 upper surface to make containing dish 11 constantly vibrate, make the fuel of its top burn more abundant under the vibration effect, and because the demagnetization temperature of magnetic material is about seven hundred fifty degrees centigrade, make this fuel shake mechanism can be applicable to most material processing mechanism's hot-blast furnace.

Wherein, the right side of the upper end of the furnace body 1 is fixedly provided with a one-way valve 12 positioned below the air outlet 5, the conduction direction of the one-way valve 12 is from bottom to top, thereby avoiding the situation that the normal work of the hot blast stove is influenced due to the backflow of waste gas at the air outlet 5, the right side wall of the furnace body 1 is provided with an adjusting groove 13, the upper end of the adjusting groove 13 is communicated with the air outlet 5, the middle part of the adjusting groove 13 is movably provided with a movable rod 14, so that the waste gas can flow into the adjusting groove 13 and downwards extrude the movable rod 14 after the waste gas at the air outlet 5 is too large, the movable rod 14 is in an L shape, the bottom surface of the movable rod 14 is movably connected with the adjusting groove 13 through a spring 15, so that the movable rod 14 can automatically reset under the action of the spring 15 after the pressure of the bottom surface of the waste gas in the adjusting groove 13 is reduced, and the variable regulation capability of the gas transmission regulating mechanism is ensured, activity groove 16 has been seted up at the middle part in the transmission section of thick bamboo 7 outside, the outside swing joint in activity groove 16 has the regulating block 17 that is located the transmission section of thick bamboo 7 outside, and the middle part of regulating block 17 and the transverse bar joint of movable rod 14, when making movable rod 14 reciprocate under the exhaust pressure effect, can drive regulating block 17 and reciprocate in step, the outside of blowing fan 8 upper end and regulating block 17 upper surface pass through connecting rod 18 fixed connection, and blow fan 8 and transmission section of thick bamboo 7 swing joint department and can the horizontal rotation, make when regulating block 17 reciprocates, can drive through connecting rod 18 and blow the 8 outside rotations of fan, thereby make the inclination change of blowing fan 8, and then change the efficiency of the upwards transport gas of coal gas conveying mechanism.

Wherein, the blowing fan 8 surrounds the angle zero degree to ninety degrees of inboard pivoted, through the rotation range of injecing blowing fan 8 for blowing fan 8 is when normal use, through defeated air adjustment mechanism, can not make blowing fan 8 excessively the angle rotation, thereby leads to blowing fan 8 to damage the condition emergence.

The using method of the invention is as follows: connecting an air inlet 2 of the hot blast stove with coal gas, connecting an air outlet 5 with the processing furnace, adding fuel into the combustion furnace 3 and igniting to continuously generate high-temperature flue gas in the combustion furnace 3, and transmitting the high-temperature flue gas outwards along the smoke through pipe 4 to quickly raise the temperature of the smoke through pipe 4;

conveying coal gas: when the air heater is normally used, fuel in the combustion furnace 3 is combusted to generate a large amount of smoke, when the smoke flows to the smoke through pipe 4, under the action of the smoke impacting the driving fan 6 at the top of the combustion furnace 3, the driving fan 6 drives the transmission cylinder 7 to transversely rotate, so that the transmission cylinder 7 drives the blowing fan 8 to transversely rotate, and under the action of the certain-angle distortion of the blowing fan 8, the blowing fan 8 generates upward thrust on gas in the inner cavity of the furnace body 1 so as to upwards convey the gas in the furnace body 1, and under the action of continuous rotation, the air heater drives the gas to continuously convey when the air heater normally works;

gas transmission regulation: in the processing furnace connected with the air outlet 5, due to insufficient exhaust efficiency of a chimney, excessive waste gas is caused, so that the air pressure in the processing furnace is too large, and when the normal processing of the processing furnace is influenced, under the action of the adjusting groove 13, the excessive waste gas flows into the adjusting groove 13, downward pressure is generated on the upper end of the movable rod 14, the movable rod 14 overcomes the elastic force of the spring 15 to move downwards and drives the adjusting block 17 to move downwards, so that the connecting rod 18 synchronously moves downwards, the outermost side of the blowing fan 8 in the gas conveying mechanism deflects downwards, the blowing efficiency of the blowing fan 8 is reduced along with the increase of the waste gas amount in the processing furnace, and after the waste gas amount in the processing furnace is reduced, the blowing efficiency is automatically recovered under the action of the spring 15;

fuel shaking: when the hot blast stove normally works, the coal gas conveying mechanism drives the transmission cylinder 7 to transversely rotate, the lower end of the transmission cylinder 7 and the driven plate 9 are made of magnetic materials, and the adjacent ends of the transmission cylinder and the driven plate are made of different magnetic materials, so that the transmission cylinder 7 drives the driven plate 9 to transversely rotate, the convex blocks are enabled to do circular motion around the central rod 10 under the action of the semicircular convex blocks fixedly connected to the upper end of one side of the driven plate 9, the periphery of the material containing plate 11 is jacked up one by one, fuel on the material containing plate 11 is enabled to continuously shake, unburnt fuel is enabled to be exposed, and the combustion efficiency of the fuel is increased.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

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