CN213630396U

CN213630396U - Energy-saving combustion device for industrial boiler

Info

Publication number: CN213630396U
Application number: CN202022722133.3U
Authority: CN
Inventors: 梁培华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-07-06
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses an energy-conserving burner of industrial boiler. The utility model discloses a: the boiler comprises a boiler body, a fixed plate is fixedly arranged on one side of the boiler body, a fan is fixedly arranged on the top of the fixed plate, a material box positioned above the fan is fixedly arranged on one side of the boiler body, pulverized coal can be pulverized by utilizing the matching of a plurality of first pulverizing teeth and a plurality of second pulverizing teeth, pulverized coal can be blown away in a hearth in the boiler body by utilizing air discharged into a discharge pipe from a branch pipe, so that the pulverized coal can be uniformly dispersed, the coal can be fully combusted, the combustion efficiency of the boiler body is improved, the energy-saving effect is achieved, the problem that the conventional industrial boiler does not have the function of pulverizing massive coal when in use is solved, the massive coal is directly thrown into the hearth of the industrial boiler to be combusted, the coal is not fully combusted in the hearth of the boiler, and the combustion efficiency is reduced, does not have the problem of energy-saving effect.

Description

Energy-saving combustion device for industrial boiler

Technical Field

The utility model relates to an industrial boiler combustion technology field specifically is an industrial boiler energy-conserving burner.

Background

The industrial boiler products are divided into two types, namely steam for power generation or gas supply, for example, a fertilizer plant can use steam for vaporization and use coal as a raw material to synthesize fertilizers, which is a typical industrial boiler, the industrial boiler also uses coal as the majority, a fuel gas is generally a waste heat boiler for recovering waste heat, the industrial boiler is a circulating fluidized bed boiler, and the industrial boiler is an important heat energy power device;

however, if the conventional massive coal is directly put into the hearth of an industrial boiler to be combusted, the coal is insufficiently combusted in the hearth of the boiler, the combustion efficiency is reduced, and the energy-saving effect is not achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy-conserving burner of industrial boiler to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an energy-saving combustion device of an industrial boiler comprises: the boiler comprises a boiler body, wherein a fixed plate is fixedly arranged on one side of the boiler body, a fan is fixedly arranged on the top of the fixed plate, a material box positioned above the fan is fixedly arranged on one side of the boiler body, a feeding hopper is fixedly arranged on the top of the material box and communicated with the interior of the material box, two first rotating shafts are rotatably arranged in the material box, crushing rollers are fixedly sleeved on the two first rotating shafts, a plurality of first crushing teeth are fixedly arranged on the two crushing rollers at equal intervals, a plurality of second crushing teeth are fixedly arranged on the inner walls of the two sides of the material box at equal intervals, two first through holes are formed in the inner wall of one side of the material box, which is far away from the boiler body, one ends of the two first rotating shafts, which are far away from the boiler body, respectively penetrate through the corresponding first through holes, and gears are fixedly sleeved on the ends of the two first rotating shafts, the two gears are meshed, one end of one of the two first rotating shafts, which is positioned outside the feed box, is fixedly provided with a first belt pulley in a fixed way, an arc plate positioned below the crushing roller is fixedly arranged in the feed box, a second rotating shaft is arranged above the arc plate, a spiral impeller is fixedly arranged on the second rotating shaft, a second through hole is formed in the inner wall of one side of the feed box, which is far away from the boiler body, one end of the second rotating shaft penetrates through the second through hole and is fixedly provided with a second belt pulley in a fixed way, the second belt pulley and the first belt pulley are wound with the same belt, one side of the feed box, which is far away from the boiler body, is provided with a motor, the output shaft end of the motor is fixedly connected with one end of the first rotating shaft, which is one of the two first rotating shafts, and the bottom of the arc plate is fixedly provided, the top of discharging pipe runs through the arc, the bottom of discharging pipe extend to outside the workbin and with the feed inlet end fixed connection of boiler body, the discharge end fixed mounting of fan has the gas-supply pipe, the gas-supply pipe is kept away from the one end of fan with the air inlet end fixed connection of boiler body, the top fixed mounting of gas-supply pipe has the branch pipe, the branch pipe with the inside of gas-supply pipe is linked together, the branch pipe is kept away from the one end of gas-supply pipe extends to in the discharging pipe.

Further, the workbin is kept away from one side fixed mounting and the L type support of boiler body, motor fixed mounting be in on the L type support.

Furthermore, the top of loading hopper rotates installs the apron, fixed mounting has the stop valve on the branch pipe.

Furthermore, two all fixed sleeves are equipped with first bearing in the first pivot, two the outer lane of first bearing respectively with corresponding the inner wall fixed connection of first through-hole.

Further, the workbin is close to fixed mounting has the bearing frame on one side inner wall of boiler body, the second pivot is located one end rotation in the workbin is installed on the bearing frame.

Furthermore, a second bearing is fixedly sleeved on the second rotating shaft, and the outer ring of the second bearing is fixedly connected with the inner wall of the second through hole.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an utilize the cooperation of a plurality of first crushing teeth and the crushing tooth of a plurality of seconds, can carry out shredding to the coal cinder, utilize the air of discharging into in the discharging tube from the branch pipe, can blow away kibbling coal charge in the inside furnace of boiler body, make the coal charge after smashing evenly expand and scatter, the coal charge can fully burn, the combustion efficiency of boiler body has been improved, energy-conserving effect has, current industrial boiler has been solved when using, do not have and carry out kibbling function to bold coal charge, bold coal charge directly burns in the furnace that is dropped into industrial boiler, it is not abundant to lead to the coal charge to burn in boiler furnace, reduce combustion efficiency, the problem that does not have energy-conserving effect.

Drawings

Fig. 1 is a schematic front sectional view of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of the portion A of FIG. 1;

FIG. 3 is a schematic sectional top view of a bin.

Reference numerals: 1. a boiler body; 2. a fixing plate; 3. a fan; 4. a material box; 5. a hopper; 6. a first rotating shaft; 7. a crushing roller; 8. a first crushing tooth; 9. a second crushing tooth; 10. a gear; 11. a first pulley; 12. an arc-shaped plate; 13. a second rotating shaft; 14. a helical impeller; 15. a second pulley; 16. a belt; 17. a motor; 18. a discharge pipe; 19. a gas delivery pipe; 20. a branch pipe; 21. an L-shaped bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, wherein fig. 1 is a schematic sectional view of a front view of an embodiment of the present invention; FIG. 2 is an enlarged view of a portion of the portion A of FIG. 1; FIG. 3 is a schematic sectional top view of a material box, and an energy-saving combustion device of an industrial boiler comprises: the boiler comprises a boiler body 1, wherein a fixing plate 2 is fixedly arranged on one side of the boiler body 1, a fan 3 is fixedly arranged on the top of the fixing plate 2, a material box 4 positioned above the fan 3 is fixedly arranged on one side of the boiler body 1, a feeding hopper 5 is fixedly arranged on the top of the material box 4, the feeding hopper 5 is communicated with the interior of the material box 4, two first rotating shafts 6 are rotatably arranged in the material box 4, crushing rollers 7 are fixedly sleeved on the two first rotating shafts 6, a plurality of first crushing teeth 8 are fixedly arranged on the two crushing rollers 7 at equal intervals, a plurality of second crushing teeth 9 are fixedly arranged on the inner walls of the two sides of the material box 4 at equal intervals, two first through holes are formed in the inner wall of one side of the material box 4 far away from the boiler body 1, one ends of the two first rotating shafts 6 far away from the boiler body 1 are respectively penetrated through the corresponding first through holes, two first pivot 6 is located the equal fixed cover of one end outside workbin 4 is equipped with gear 10, two gear 10 meshes mutually, two in the first pivot 6 one first pivot 6 is located the fixed cover of one end outside workbin 4 is equipped with first belt pulley 11, fixed mounting has the arc 12 that is located crushing roller 7 below in the workbin 4, the top of arc 12 is equipped with second pivot 13, fixed mounting has helical impeller 14 on the second pivot 13, workbin 4 keeps away from seted up the second through-hole on one side inner wall of boiler body 1, the one end of second pivot 13 runs through the second through-hole and the fixed cover is equipped with second belt pulley 15, second belt pulley 15 with around being equipped with same belt 16 on first belt pulley 11, workbin 4 keeps away from one side of boiler body 1 is equipped with motor 17, output shaft end and two of motor 17 one in the first pivot 6 the one end fixed connection of first pivot 6, the bottom fixed mounting of arc 12 has discharging pipe 18, the top of discharging pipe 18 is run through arc 12, the bottom of discharging pipe 18 extend to the workbin 4 outer and with the feed inlet fixed connection of boiler body 1, the discharge end fixed mounting of fan 3 has gas-supply pipe 19, gas-supply pipe 19 is kept away from the one end of fan 3 with the air inlet fixed connection of boiler body 1, the top fixed mounting of gas-supply pipe 19 has branch pipe 20, branch pipe 20 with the inside of gas-supply pipe 19 is linked together, branch pipe 20 is kept away from the one end of gas-supply pipe 19 extends to in the discharging pipe 18.

Workbin 4 keeps away from one side fixed mounting and L type support 21 of boiler body 1, motor 17 fixed mounting is in on the L type support 21, through setting up L type support 21, play and support and fixed effect motor 17.

The apron is installed in the rotation of the top of loading hopper 5, fixed mounting has the stop valve on branch pipe 20, through setting up the apron, can carry out the closing cap to the top of loading hopper 5, when carrying out shredding to the coal cinder, can prevent that coal ash from discharging from loading hopper 5, through setting up the stop valve, plays the effect that the control air current circulates and blocks the air current in branch pipe 20.

Two all fixed cover is equipped with first bearing on the first pivot 6, two the outer lane of first bearing respectively with corresponding the inner wall fixed connection of first through-hole plays the effect of supporting and fixing a position first pivot 6 through setting up first bearing.

Workbin 4 is close to fixed mounting has the bearing frame on one side inner wall of boiler body 1, second pivot 13 is located one end rotation in the workbin 4 is installed on the bearing frame, through setting up the bearing frame, plays the effect of supporting and fixing a position second pivot 13.

The second shaft 13 is fixedly sleeved with a second bearing, the outer ring of the second bearing is fixedly connected with the inner wall of the second through hole, and the second shaft 13 is supported and positioned by the second bearing.

Wherein, install control switch and external power cord on the boiler body, fan 3, motor 17, control switch and external power cord loop through wire electric connection and constitute the return circuit, and control switch can control opening of fan 3 and motor 17 respectively and stop the work.

To sum up, the utility model provides an energy-saving combustion device for industrial boiler, in the working process of the boiler body 1, the fan 3 is started to work, so that the outside air is conveyed into the furnace chamber in the boiler body 1 through the gas pipe 19, the air can be supplied into the furnace chamber, sufficient oxygen is provided for the fuel of coal, when the coal fuel needs to be added into the boiler body 1, the motor 17 is started to work, the motor 17 drives one of the first rotating shafts 6 to rotate, under the meshing transmission of the two gears 10, the two first rotating shafts 6 synchronously and reversely rotate, the two first rotating shafts 6 drive the corresponding crushing rollers 7 and the first crushing teeth 8 to rotate, under the transmission action of the first belt pulley 11, the second belt pulley 15 and the belt 16, the second rotating shaft drives the spiral impeller 14 to rotate, then the cover plate on the hopper 5 is opened, the coal blocks can be added into the feed box 4, under the rotating action of the two crushing rollers 7 driving the corresponding first crushing teeth 8 and matching with the second crushing teeth 9, the coal can be crushed, the crushed coal falls onto the arc-shaped plate 12, the crushed coal can be conveyed towards the discharge pipe 18 by the rotation of the spiral impeller 14, so that the coal can enter the hearth inside the boiler body 1 through the discharge pipe 18 to be combusted, a small part of air in the gas pipe 19 is discharged into the discharge pipe 18 through the branch pipe 20 by opening the stop valve, the air entering the discharge pipe 18 can blow the coal entering the discharge pipe 18 to the hearth inside the boiler body 1, so that the crushed coal can be uniformly diffused, the crushed coal can be fully combusted, the waste of the coal due to insufficient combustion is greatly reduced, and the combustion efficiency of the boiler body 1 is improved, the energy-saving coal feeder has the effect of saving energy, and stops the motor 17 and closes the stop valve after the coal is added.

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.

Claims

1. An energy-saving combustion device of an industrial boiler is characterized by comprising: the boiler comprises a boiler body (1), a fixing plate (2) is fixedly arranged on one side of the boiler body (1), a fan (3) is fixedly arranged on the top of the fixing plate (2), a material box (4) positioned above the fan (3) is fixedly arranged on one side of the boiler body (1), a feeding hopper (5) is fixedly arranged on the top of the material box (4), the feeding hopper (5) is communicated with the inside of the material box (4), two first rotating shafts (6) are rotatably arranged in the material box (4), crushing rollers (7) are fixedly sleeved on the two first rotating shafts (6), a plurality of first crushing teeth (8) are fixedly arranged on the two crushing rollers (7) at equal intervals, a plurality of second crushing teeth (9) are fixedly arranged on the inner walls of the two sides of the material box (4), the material box (4) is far away from one side of the inner wall of the boiler body (1) and is provided with two first through holes, two the one end that boiler body (1) was kept away from in first pivot (6) runs through corresponding respectively first through-hole, two first pivot (6) are located the outer one end of workbin (4) is all fixed cover and is equipped with gear (10), two gear (10) mesh mutually, two in first pivot (6) one the fixed cover of one end that first pivot (6) are located the workbin (4) is equipped with first belt pulley (11), fixed mounting has arc (12) that are located crushing roller (7) below in workbin (4), the top of arc (12) is equipped with second pivot (13), fixed mounting has helical impeller (14) on second pivot (13), workbin (4) are kept away from set up the second through-hole on one side inner wall of boiler body (1), the one end of second pivot (13) runs through the second through-hole and fixed cover is equipped with second belt pulley (15), second belt pulley (15) with around being equipped with same belt (16) on first belt pulley (11), workbin (4) is kept away from one side of boiler body (1) is equipped with motor (17), the output shaft end and two of motor (17) in first pivot (6) the one end fixed connection of first pivot (6), the bottom fixed mounting of arc (12) has discharging pipe (18), the top of discharging pipe (18) runs through arc (12), the bottom of discharging pipe (18) extend to outside workbin (4) and with the feed inlet end fixed connection of boiler body (1), the discharge end fixed mounting of fan (3) has gas-supply pipe (19), gas-supply pipe (19) are kept away from the one end of fan (3) with the air inlet end fixed connection of boiler body (1), the top fixed mounting of gas-supply pipe (19) has branch pipe (20), branch pipe (20) with the inside of gas-supply pipe (19) is linked together, branch pipe (20) are kept away from the one end of gas-supply pipe (19) extends to in discharging pipe (18).

2. An energy-saving combustion device of an industrial boiler, as claimed in claim 1, characterized in that one side of the feed box (4) far away from the boiler body (1) is fixedly mounted with an L-shaped bracket (21), and the motor (17) is fixedly mounted on the L-shaped bracket (21).

3. The energy-saving combustion device for the industrial boiler, as claimed in claim 1, wherein the top of the loading hopper (5) is rotatably installed with a cover plate, and the branch pipe (20) is fixedly installed with a stop valve.

4. The energy-saving combustion device of the industrial boiler according to claim 1, wherein the two first rotating shafts (6) are fixedly sleeved with first bearings, and outer rings of the two first bearings are respectively and fixedly connected with inner walls of the corresponding first through holes.

5. The energy-saving combustion device of the industrial boiler as claimed in claim 1, wherein a bearing seat is fixedly installed on the inner wall of one side of the feed box (4) close to the boiler body (1), and one end of the second rotating shaft (13) located in the feed box (4) is rotatably installed on the bearing seat.

6. The energy-saving combustion device for the industrial boiler as claimed in claim 1, wherein the second shaft (13) is fixedly sleeved with a second bearing, and an outer ring of the second bearing is fixedly connected with an inner wall of the second through hole.