CN217274244U

CN217274244U - Soot blowing resistant air preheater heat transfer element box

Info

Publication number: CN217274244U
Application number: CN202220162417.8U
Authority: CN
Inventors: 田增吉; 田蕾; 陈增茂; 李金荣
Original assignee: Harbin Huitong Power Equipment Co ltd
Current assignee: Harbin Huitong Power Equipment Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-08-23
Anticipated expiration: 2032-01-21

Abstract

The utility model relates to a resistant empty preheater heat transfer element box that blows, including the guard box, the inside fixed mounting of guard box has the driver, the inside fixed mounting of guard box has bellows, the left side fixed mounting of guard box has first filter plate, the inside fixed mounting of guard box has the second filter plate, the equal fixed mounting in top and the bottom of guard box has the blast pipe, the inside fixed mounting of guard box has two support columns, two the opposite face fixed mounting of support column has the connecting rod. This resistant soot blowing air preheater heat transfer element box makes the soot blower possess a set of air inner loop's system through setting up the driver, can be quick dispel the heat for driving motor when the soot blower is moving, can also prevent that the dust from getting into at the clearance in-process to possess the ability of moving away to avoid possible earthquakes, further prolong the life of machine, when using, at first starter motor drives the hob and rotates simultaneously when the motor is moving.

Description

Soot blowing resistant air preheater heat transfer element box

Technical Field

The utility model relates to an air preheater technical field specifically is a resistant empty heat transfer element box of air preheater that blows.

Background

A device for removing the dust accumulated on the heated surface of boiler is composed of ash-blowing tube and operating valve, and is generally installed to the furnace walls of boiler furnace, horizontal flue and tail flue.

For coal-fired boilers, when the water-cooled wall is coked seriously, the slag is discharged by a large slag making cold slag hopper covered by the slag; when the high-temperature superheater and the reheater are seriously coked, the flue gas gallery between partial heating surfaces is blocked; when the tail part is seriously heated, the heat transfer efficiency of a superheater, a reheater, an economizer and an air preheater is reduced, the exhaust gas temperature of a boiler is increased, and the boiler efficiency is reduced, so that a soot blower is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a resistant soot blower heat transfer element box possesses advantages such as heat dissipation and shock absorber, has solved traditional soot blower in the use, can't dispel the heat to self, and the machine needs high-speed operation for a long time, can produce very big heat, and does not have shock absorber function during the operation, damages the problem of inside spare part easily.

In order to achieve the above object, the utility model provides a following technical scheme: a soot blowing resistant air preheater heat transfer element box comprises a protection box, wherein a driver is fixedly installed inside the protection box, an air box is fixedly installed inside the protection box, a first filter screen plate is fixedly installed on the left side of the protection box, a second filter screen plate is fixedly installed inside the protection box, exhaust pipes are fixedly installed at the top and the bottom of the protection box, two support columns are fixedly installed inside the protection box, connecting rods A are fixedly installed on opposite surfaces of the two support columns, springs are sleeved on the left side and the right side of each connecting rod A, bearing plates are fixedly installed on opposite surfaces of the two support columns, connecting blocks are fixedly installed at the bottoms of the bearing plates, two connecting pieces are in threaded connection with the front of each connecting block, a driving motor is fixedly installed at the top of each bearing plate, and an air cavity is fixedly installed inside the protection box, an air inlet valve is fixedly arranged at the top of the air cavity, and a number tube is fixedly arranged inside the protection box;

the driver includes the bottom plate, the inner diapire fixed mounting of guard box has the bottom plate, the top fixed mounting of bottom plate has the motor, the output shaft fixedly connected with hob of motor, the right-hand member fixed mounting of hob has the spiral piece, the equal fixed mounting in top and the bottom of spiral piece has connecting rod B, two the equal fixed mounting in the back of the looks of connecting rod B has the flabellum.

Further, the inside of bottom plate is provided with the cushion, and the input and the output of two blast pipes all extend to the inside of guard box, and the left side wall of bellows is provided with two through-holes.

Further, the inside of spiral piece is provided with the spiral shell, and the right-hand member fixed connection of hob in the inside of spiral shell, the right-hand member of hob extends to the inside of bellows.

Furthermore, a round hole is formed in the right side of the protection box, a protection pad is arranged inside the round hole, and the right end of the horn extends to the right side of the protection box through the round hole.

Further, the second filter screen plate is positioned on the right side of the bellows, and the second filter screen plate is positioned on the left sides of the two support columns.

Further, two the equal fixed connection in opposite face of two springs in bottom of connection piece, and the spout has been seted up to the opposite face of two support columns, and the left end and the right-hand member of bearing plate all are located the inside of spout.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this resistant soot blowing air preheater heat transfer element box, make the soot blower possess a set of air inner loop's system through setting up the driver, can be quick dispel the heat for driving motor when the soot blower is moving, can also prevent the dust entering in clearance process, and possess the ability of moving away to avoid possible earthquakes, further prolong the life of machine, when using, at first starter motor, drive the hob and rotate simultaneously when the motor is moving, further drive rotatory piece and rotate simultaneously, then drive the flabellum and rotate and produce wind-force when rotatory piece pivoted, wind gets into around driving motor through the second filter plate, again because the setting of blast pipe, wind band away heat gets into the blast pipe, finally get into around the motor from the output of blast pipe, get into bellows through the through-hole once more at last, and the cooling, get into the circulation once more.

2. This resistant empty preheater heat transfer element box of blowing, make the soot blower realize the air inner loop through setting up driver and spring, can also prevent that the dust from getting into the soot blower when blowing the ash, the vibrational force when the high-speed operation of soot blower also can be fully alleviated by the spring, traditional soot blower is in work, can't dispel the heat fast, and there is the dust to get into the admission valve easily and reach the air cavity, cause the jam extremely easily, lead to the machine can't operate, the setting of driver is effectual to have improved this problem, make and compare in traditional soot blower, it is more outstanding in the result of use, it is also more practical simultaneously.

Drawings

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

FIG. 2 is a front sectional view of the structure of the present invention;

fig. 3 is a structural diagram of the structural actuator of the present invention.

In the figure: the fan comprises a protection box 1, a driver 2, an air box 3, a first filter screen plate 4, a second filter screen plate 5, an exhaust pipe 6, a support column 7, a connecting rod A8, a spring 9, a bearing plate 10, a connecting block 11, a connecting sheet 12, a driving motor 13, an air chamber 14, an air inlet valve 15, a No. 16 pipe, a bottom plate 201, a motor 202, a screw rod 203, a screw block 204, a connecting rod B205 and fan blades 206.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the heat transfer element box of the soot blowing resistant air preheater in the embodiment includes a protection box 1, a driver 2 is fixedly installed inside the protection box 1, an air box 3 is fixedly installed inside the protection box 1, a first filter screen 4 is fixedly installed on the left side of the protection box 1, a second filter screen 5 is fixedly installed inside the protection box 1, exhaust pipes 6 are fixedly installed on the top and the bottom of the protection box 1, two support columns 7 are fixedly installed inside the protection box 1, a connecting rod A8 is fixedly installed on the opposite surfaces of the two support columns 7, springs 9 are sleeved on the left side and the right side of the connecting rod A8, bearing plates 10 are fixedly installed on the opposite surfaces of the two support columns 7, a connecting block 11 is fixedly installed on the bottom of the bearing plates 10, two connecting plates 12 are connected to the front face of the connecting block 11 by screw threads, and a driving motor 13 is fixedly installed on the top of the bearing plates 10, an air cavity 14 is fixedly arranged inside the protective box 1, an air inlet valve 15 is fixedly arranged at the top of the air cavity 14, and a number tube 16 is fixedly arranged inside the protective box 1;

driver 2 includes bottom plate 201, and the interior diapire fixed mounting of guard box 1 has bottom plate 201, and the top fixed mounting of bottom plate 201 has motor 202, and motor 202's output shaft fixedly connected with hob 203, the right-hand member fixed mounting of hob 203 has spiral piece 204, and the top and the equal fixed mounting in bottom of spiral piece 204 have connecting rod B205, and the equal fixed mounting in looks back of two connecting rod B205 has flabellum 206.

When in implementation, the method comprises the following steps:

1) starting the motor 202, driving the screw rod 203 to rotate simultaneously when the motor 202 operates, and further driving the rotating block 204 to rotate simultaneously;

2) then, the rotating block 204 rotates and simultaneously drives the fan blades 206 to rotate and generate wind power, and the wind enters the periphery of the driving motor 13 through the second filter screen plate 5;

3) then, due to the arrangement of the exhaust pipe 6, the wind brings away heat and enters the exhaust pipe 6;

4) finally enters the periphery of the motor 202 from the output end of the exhaust pipe 6, finally enters the bellows again through the through holes, is cooled and enters the circulation again.

To sum up, the soot blower heat transfer element box of the soot-blowing-resistant air preheater has a set of air internal circulation system through the driver 2, the soot blower can rapidly dissipate heat for the driving motor 13 when operating, dust can be prevented from entering during cleaning, and the soot blower heat transfer element box has shock-absorbing capability, so as to further prolong the service life of the machine, when in use, the motor 202 is firstly started, the spiral rod 203 is driven to rotate simultaneously when the motor 202 operates, the rotating block 204 is further driven to rotate simultaneously, then the fan blades 206 are driven to rotate and generate wind power when the rotating block 204 rotates, the wind enters the periphery of the driving motor 13 through the second filter screen plate 5, then the wind carries heat into the exhaust pipe 6 due to the arrangement of the exhaust pipe 6, finally enters the periphery of the motor 202 from the output end of the exhaust pipe 6, and finally enters the air box through the through hole again, and cooled and re-circulated.

This resistant empty preheater heat transfer element box that blows, make the soot blower realize the air inner loop through setting up driver 2 and spring 9, can also prevent that the dust from getting into the soot blower when blowing the ash, the vibrational force when the soot blower operates at a high speed also can be fully alleviated by the spring, traditional soot blower is in the work, can't dispel the heat fast, and there is the dust to get into admission valve 14 easily and reach air cavity 15, cause the jam extremely easily, lead to the machine to operate inefficiently, this problem has been effectually improved in setting up of driver 2, make and compare in traditional soot blower, it is more outstanding in the result of use, it is also more practical simultaneously.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. A soot-blowing-resistant air preheater heat transfer element box comprises a protection box (1), and is characterized in that: the air box comprises a protection box (1), a driver (2) is fixedly mounted in the protection box (1), an air box (3) is fixedly mounted in the protection box (1), a first filter screen plate (4) is fixedly mounted on the left side of the protection box (1), a second filter screen plate (5) is fixedly mounted in the protection box (1), exhaust pipes (6) are fixedly mounted at the top and the bottom of the protection box (1), two support columns (7) are fixedly mounted in the protection box (1), a connecting rod A (8) is fixedly mounted on opposite surfaces of the two support columns (7), springs (9) are sleeved on the left side and the right side of the connecting rod A (8), a bearing plate (10) is fixedly mounted on the opposite surfaces of the two support columns (7), a connecting block (11) is fixedly mounted at the bottom of the bearing plate (10), and two connecting pieces (12) are connected to the front side of the connecting block (11) through threads, a driving motor (13) is fixedly installed at the top of the bearing plate (10), an air cavity (14) is fixedly installed inside the protection box (1), an air inlet valve (15) is fixedly installed at the top of the air cavity (14), and a number tube (16) is fixedly installed inside the protection box (1);

driver (2) include bottom plate (201), the interior diapire fixed mounting of guard box (1) has bottom plate (201), the top fixed mounting of bottom plate (201) has motor (202), the output shaft fixedly connected with hob (203) of motor (202), the right-hand member fixed mounting of hob (203) has spiral piece (204), the top and the equal fixed mounting in bottom of spiral piece (204) have connecting rod B (205), two the equal fixed mounting in back of the body of connecting rod B (205) has flabellum (206).

2. A sootblowing resistant air preheater heat transfer element cartridge as recited in claim 1, wherein: the inside of bottom plate (201) is provided with the cushion, and the input and the output of two blast pipes (6) all extend to the inside of guard box (1), and the left side wall of bellows (3) is provided with two through-holes.

3. A sootblowing resistant air preheater heat transfer element cartridge as recited in claim 1, wherein: the inside of spiral piece (204) is provided with the spiral shell, and the right-hand member fixed connection of hob (203) is in the inside of spiral shell, and the right-hand member of hob (203) extends to the inside of bellows (3).

4. A sootblowing resistant air preheater heat transfer element cartridge as recited in claim 1, wherein: the right side of guard box (1) has seted up the round hole, and the inside of round hole is provided with the protection pad, and the right-hand member of number pipe (16) extends to the right side of guard box (1) through the round hole.

5. A sootblowing resistant air preheater heat transfer element cartridge as recited in claim 1, wherein: the second filter screen plate (5) is positioned on the right side of the air box (3), and the second filter screen plate (5) is positioned on the left sides of the two support columns (7).

6. A sootblowing resistant air preheater heat transfer element cartridge as recited in claim 1, wherein: two the equal fixed connection in opposite face of two springs (9) in bottom of connection piece (12), and the spout has been seted up to the opposite face of two support columns (7), and the left end and the right-hand member of bearing plate (10) all are located the inside of spout.