CN214426026U

CN214426026U - Soot cleaning device of boiler

Info

Publication number: CN214426026U
Application number: CN202120512803.0U
Authority: CN
Inventors: 田中
Original assignee: Deqing Lvneng Thermal Power Co ltd
Current assignee: Deqing Lvneng Thermal Power Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-10-19
Anticipated expiration: 2031-03-10

Abstract

The utility model relates to a soot cleaning device of boiler, including setting up the clearance mechanism in heat transfer chamber bottom, clearance mechanism includes drive assembly and installs the subassembly that cleans on drive assembly, clean the subassembly and include connecting rod, fixed connection mounting panel under the connecting rod and set up a plurality of soft brush hairs at the mounting panel lower surface, the connecting rod is connected in drive assembly, and drive assembly is used for driving the connecting rod along ejection of compact direction reciprocating motion. This application has the effect of being convenient for clear up coal ash.

Description

Soot cleaning device of boiler

Technical Field

The application relates to the field of industrial boilers, in particular to a soot cleaning device of a boiler.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy.

At present, referring to fig. 1, the boiler mainly includes combustion chamber 10 and heat transfer chamber 11, and

combustion chamber

10 and 11 tops of heat transfer chamber communicate, and combustion chamber 10 is provided with feeder hopper 12 far away from 11 one side of heat transfer chamber for coal-fired feeding, installs overheated mechanism 13 in the heat transfer chamber 11, and overheated mechanism 13 includes a plurality of groups water pipe, and in order to increase flow path, every group water pipe all is snakelike setting, and two tip of water pipe are all worn to establish outside heat transfer chamber 11, are used for intaking and play water respectively. When the boiler works, fire coal is added into the feed hopper 12, water flows into the water pipe, the temperature in the boiler body rises suddenly through the combustion of the fire coal, the temperature of the water pipe rises, and due to the heat transfer of the water pipe, when the water in the water pipe flows, the water is heated to be changed into water vapor which is conducted into the steam turbine to carry out energy conversion.

According to the related technology, the boiler generates heat through coal combustion, a large amount of coal ash is generated in the combustion process and is left in the heat exchange chamber 11, the temperature in the heat exchange chamber 11 is high, and manual cleaning is inconvenient.

Disclosure of Invention

In order to facilitate the clearance coal ash, this application provides a soot cleaning device of boiler.

The application provides a soot cleaning device of boiler adopts following technical scheme:

the utility model provides a soot cleaning device of boiler, is including setting up the clearance mechanism in heat transfer chamber bottom, clearance mechanism includes drive assembly and installs the subassembly that cleans on drive assembly, clean the subassembly and include connecting rod, fixed connection mounting panel under the connecting rod and set up a plurality of soft brush hairs at the mounting panel lower surface, the connecting rod is connected in drive assembly, and drive assembly is used for driving the connecting rod along ejection of compact direction reciprocating motion.

Through adopting above-mentioned technical scheme, when using the boiler, coal burning produces coal ash, and the coal ash in the heat transfer chamber is most accumulated in the bottom. During the clearance, drive assembly drives the connecting rod along ejection of compact direction reciprocating motion, and soft brush hair supports the heat transfer chamber inner wall, sweeps out the coal ash of bottom, collects at the discharge end can, replaces artifical clearance through the device, has higher convenience, need not artifical entering boiler simultaneously, has improved the security.

Preferably, the transmission assembly includes that fixed mounting installs at the fixed plate of heat transfer chamber, rotates the transfer line of installing in fixed plate one side and installs and be used for driving transfer line pivoted driving piece on the fixed plate, the annular has been seted up on the fixed plate is close to transfer line one side lateral wall, wear to be equipped with the driving medium in the annular, the driving medium moves towards swing joint in the annular inner wall along the annular, the transfer line is close to fixed plate one side and has seted up logical groove, the driving medium is worn to establish simultaneously at logical inslot, and follows transfer line length direction sliding connection in leading to the inslot wall, connecting rod fixed connection keeps away from fixed plate one end in the driving medium.

Through adopting above-mentioned technical scheme, when the driving piece starts, drive the transfer line and rotate along its axis of rotation, because the transfer line is connected to the driving medium, the driving medium can move along the annular trend simultaneously, because driving medium and connecting rod fixed connection, the in-process that the driving medium removed drives and cleans the subassembly and removes, cleans heat exchange chamber bottom again. The cleaning assembly of the device moves along with the transmission piece, so that the cleaning assembly can simultaneously clean the upper surface and the lower surface of the discharge end of the heat exchange chamber, the cleaning is comprehensive, and the cleaning effect is good.

Preferably, the transmission part comprises a sliding block and a roller, the sliding block is arranged in the through groove in a penetrating mode, the roller is connected with one side, close to the fixing plate, of the sliding block, and the roller is arranged in the annular groove in a penetrating mode.

Through adopting above-mentioned technical scheme, the slider is worn to establish and is led to the inslot, and along with the rotation of transfer line, the slider is at logical inslot reciprocating sliding, and the slider butt is in leading to inslot wall, therefore slides more stably. Meanwhile, as the roller wheel is arranged in the annular groove in a penetrating mode, the transmission rod drives the roller wheel to move along the direction of the annular groove when rotating, and the cleaning assembly is arranged on one side of the sliding block and is driven to clean the bottom of the heat exchange chamber.

Preferably, the roller is rotatably connected to the slider along its axis.

Through adopting above-mentioned technical scheme, clean the in-process, the transfer line rotates and drives the gyro wheel and remove in the annular, and the gyro wheel rotates to be connected in the slider, compares in sliding connection, can reduce the friction of gyro wheel in the annular, reduces the friction of gyro wheel, improves life.

Preferably, the annular groove comprises a first groove and a second groove, the first groove is horizontally formed in the inner wall of the first groove, and the second groove is simultaneously formed in two side walls of the first groove.

Through adopting above-mentioned technical scheme, set the annular groove into first groove and second groove, the upper and lower surface at first inslot wall is seted up in the second groove, therefore the gyro wheel wears to establish all the time in the annular groove, can not deviate from because external force, and from this, the removal of driving medium is also comparatively stable. By providing the ring groove with this shape, the stability of the device in use can be improved.

Preferably, the mounting plate is threadedly connected to the connecting rod.

Through adopting above-mentioned technical scheme, in the use, soft brush hair cleans the heat transfer room, and the loss is great, and the mounting panel can be dismantled and connect in the connecting rod, can dismantle mounting panel and soft brush hair get off and change alone, has improved economic benefits. In addition, the coal ash is easy to agglomerate after being adhered for a long time, and the agglomerated coal ash can be cleaned by replacing the soft brush hair with a hard scraper, and the like, so that the convenience is high.

Preferably, the lower ends of the soft bristles form an arc-shaped cleaning surface, and the cleaning surface is inclined upwards from the middle part to the two ends.

Through adopting above-mentioned technical scheme, be the arc with the setting of soft brush hair lower extreme, heat transfer room bottom can laminate better, consequently, clean the scope that the subassembly can clean and increase, reduced the dead angle, have higher practicality.

Preferably, the cleaning mechanism further comprises a blowing assembly and an air exhaust assembly, the blowing assembly and the air exhaust assembly both comprise a dust collection head, a dust collection pipe fixedly connected to the dust collection head and a suction piece connected with the dust collection pipe and used for providing suction force, the blowing assembly is located on one side, close to the top, of the heat exchange chamber, and the air exhaust assembly is located on one side, close to the bottom, of the heat exchange chamber.

Through adopting above-mentioned technical scheme, the installation in the heat transfer chamber blows the subassembly and the subassembly of bleeding, blows the coal ash that the subassembly will produce and blows to the heat transfer chamber bottom, and the subassembly of bleeding siphons away coal ash again, opens the subassembly of bleeding and can clear up coal ash, consequently blows the subassembly and the subassembly of bleeding can play the effect of being convenient for collect and clear up.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the transmission assembly drives the cleaning assembly to reciprocate along the discharging direction, so that coal ash at the bottom is swept out, manual cleaning is replaced, and the cleaning device has high convenience.

2. Clean the subassembly and remove along with the driving medium together, clean the upper and lower surface of heat transfer chamber discharge end simultaneously, the clearance is comparatively comprehensive, and the clearance effect is better.

3. The blowing assembly and the air exhaust assembly are arranged in the heat exchange chamber, so that the effects of conveniently collecting and cleaning coal ash can be achieved.

Drawings

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

FIG. 2 is a schematic structural view of the cleaning mechanism of the present embodiment;

FIG. 3 is a structurally broken away view of the sweeping assembly of the present embodiment;

FIG. 4 is an exploded view of the cleaning mechanism of the present embodiment;

fig. 5 is a side cross-sectional view of the transmission assembly of the present embodiment.

Description of reference numerals: 10. a combustion chamber; 11. a heat exchange chamber; 12. a feed hopper; 13. an overheating mechanism; 20. a cleaning mechanism; 21. a transmission assembly; 22. a fixing plate; 23. a transmission member; 231. a slider; 232. a roller; 24. a transmission rod; 25. a drive member; 30. a ring groove; 301. a first groove; 302. a second groove; 31. a through groove; 40. a sweeping assembly; 41. a connecting rod; 42. mounting a plate; 43. soft bristles; 50. a blowing assembly; 51. an air extraction assembly; 52. a dust collection head; 53. a dust collection pipe; 54. a suction member.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses soot cleaning device of boiler. Referring to fig. 1 and 2, the cleaning mechanism 20 is arranged at the bottom of the heat exchange chamber 11, the cleaning mechanism 20 comprises a transmission assembly 21, a cleaning assembly 40, an air blowing assembly 50 and an air suction assembly 51, and the transmission assembly 21 is used for driving the cleaning assembly 40 to reciprocate along the discharging direction. Air blowing assembly 50 and air extraction assembly 51 are used to blow entrained soot and extract soot, respectively.

The boiler generates heat through coal combustion, a large amount of generated coal ash enters the heat exchange chamber 11 in the combustion process, the air blowing assembly 50 blows air with the coal ash to the air extracting assembly 51, the air extracting assembly 51 sucks most of the coal ash away and stores the coal ash, however, the coal ash still accumulates at the bottom of the heat exchange chamber 11, and the sweeping assembly 40 can be driven by the transmission assembly 21 to sweep out the coal ash at the bottom of the heat exchange chamber 11.

Specifically, referring to fig. 2 and 3, the cleaning assembly 40 includes a connecting rod 41 and a mounting plate 42, the lower end of the connecting rod 41 is inserted into the mounting plate 42, the mounting plate 42 is screwed to the connecting rod 41, soft bristles 43 are fixed on the lower surface of the mounting plate 42, and a plurality of soft bristles 43 are uniformly arranged on the end surface of the soft bristles 43. The soft brush bristles 43 form an arc-shaped cleaning surface at the lower end thereof, which is inclined upward from the middle to the two ends thereof so as to abut against the side wall of the heat exchange chamber 11.

Referring to fig. 4 and 5, the transmission assembly 21 includes a fixing plate 22, a transmission member 23, a transmission rod 24 and a driving member 25, the fixing plate 22 is fixedly installed at the discharge end of the bottom of the heat exchange chamber 11, a ring groove 30 is formed in the side wall of the fixing plate 22, and the ring groove 30 is horizontally arranged in a kidney shape. The ring groove 30 comprises a first groove 301 and a second groove 302, the first groove 301 is formed along the thickness direction of the fixing plate 22, the second groove 302 is simultaneously formed in two groove walls of the first groove 301, and the cross section of the ring groove 30 is in two T shapes arranged at intervals.

One end of the transmission rod 24 is rotatably connected to the fixing plate 22, and the rotating end thereof is located at the center of the fixing plate 22, the driving member 25 can be a motor, the driving member 25 is fixedly installed at one side of the fixing plate 22 away from the transmission rod 24, and the rotating shaft at the end thereof is fixedly connected to the transmission rod 24. A through groove 31 is formed in one side of the transmission rod 24, and the through groove 31 is formed along the length direction of the transmission rod 24. The driving member 23 includes a sliding block 231 and a roller 232, wherein the sliding block 231 is disposed in the through slot 31 and slidably connected to the side wall of the through slot 31 along the length direction of the through slot 31. The roller 232 is installed at one side of the slider 231 adjacent to the fixed plate 22, and the roller 232 is rotatably coupled to the slider 231 through a bearing. The roller 232 is disposed in the ring groove 30 and connected to the inner wall of the ring groove 30 along the direction of the ring groove 30. The connecting rod 41 is installed on one side of the sliding block 231 away from the roller 232, and the connecting rod 41 is vertically and fixedly connected to the sliding block 231.

During cleaning, the driving part 25 is started, the rotating shaft at the end part of the driving part 25 drives the transmission rod 24 to rotate along the rotating shaft, the transmission part 23 is connected with the transmission rod 24, the sliding block 231 penetrates through the through groove 31, the sliding block 231 slides in the through groove 31 in a reciprocating mode along with the rotation of the transmission rod 24, meanwhile, the rolling wheel 232 is driven to roll in the annular groove 30, and the transmission part 23 is fixedly connected with the connecting rod 41, so that the connecting rod 41 is driven to move along the track direction of the annular groove 30 in the moving process of the transmission part 23. The bottom of the soft brush bristles 43 is propped against the bottom of the heat exchange chamber 11 to sweep out the coal ash outwards.

When the soft bristles 43 are damaged during use, the mounting plate 42 and the soft bristles 43 can be detached for independent replacement. Further, the coal ash is liable to be agglomerated for a long time, and the agglomerated coal ash can be cleaned up by replacing the soft brush bristles 43 with a hard scraper or the like.

Specifically, referring to FIG. 1, the blowing assembly 50 and the suction assembly 51 each include a suction head 52, a suction pipe 53, and a suction member 54 for providing suction. The suction member 54 may be an air pump, the suction end of the suction member 54 is connected to the dust suction pipe 53, one end of the dust suction pipe 53 far from the suction member 54 is fixedly connected to the dust suction head 52, and the opening end of the dust suction head 52 is flared. The air blowing assembly 50 is positioned on one side of the heat exchange chamber 11 close to the top, the air exhaust assembly 51 is positioned on one side of the heat exchange chamber 11 close to the bottom, and the air outlet end of the air blowing assembly 50 is opposite to the air exhaust end of the air exhaust assembly 51.

The blowing assembly 50 blows the generated coal ash to the bottom of the heat exchange chamber 11, the air extraction assembly 51 sucks away the coal ash, and when the coal ash is cleaned, the air extraction assembly 51 is opened to clean the coal ash.

The implementation principle of the soot cleaning device of the boiler in the embodiment of the application is as follows: when the boiler is used, coal is combusted to generate coal ash. Blowing assembly 50 blows the air with soot toward pumping assembly 51, pumping assembly 51 pumps most soot away and stores it, but soot still accumulates on the bottom of heat exchange chamber 11, and sweeping assembly 40 is driven by transmission assembly 21 to sweep the soot out of the bottom of heat exchange chamber 11.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a soot cleaning device of boiler which characterized in that: including setting up clearance mechanism (20) in heat exchange chamber (11) bottom, clearance mechanism (20) include drive assembly (21) and install cleaning assembly (40) on drive assembly (21), cleaning assembly (40) including connecting rod (41), fixed connection mounting panel (42) under connecting rod (41) and set up a plurality of soft brush hair (43) at mounting panel (42) lower surface, connecting rod (41) are connected in drive assembly (21), and drive assembly (21) are used for driving connecting rod (41) along ejection of compact direction reciprocating motion.

2. A soot cleaning device for a boiler as claimed in claim 1, wherein: the transmission assembly (21) comprises a fixing plate (22) fixedly arranged on the heat exchange chamber (11), a transmission rod (24) rotatably arranged on one side of the fixing plate (22) and a driving piece (25) arranged on the fixing plate (22) and used for driving the transmission rod (24) to rotate, a ring groove (30) is arranged on the side wall of one side of the fixing plate (22) close to the transmission rod (24), a transmission piece (23) penetrates through the annular groove (30), the transmission piece (23) is movably connected to the inner wall of the annular groove (30) along the trend of the annular groove (30), a through groove (31) is arranged on one side of the transmission rod (24) close to the fixed plate (22), the transmission piece (23) is simultaneously penetrated in the through groove (31), and is connected with the inner wall of the through groove (31) in a sliding way along the length direction of the transmission rod (24), the connecting rod (41) is fixedly connected to one end, far away from the fixing plate (22), of the transmission piece (23).

3. A soot cleaning device for a boiler as claimed in claim 2, wherein: the transmission part (23) comprises a sliding block (231) arranged in the through groove (31) in a penetrating mode and a roller (232) connected with one side, close to the fixing plate (22), of the sliding block (231), and the roller (232) is arranged in the ring groove (30) in a penetrating mode.

4. A soot cleaning device for a boiler as claimed in claim 3, wherein: the roller (232) is rotatably connected to the slider (231) along the axis thereof.

5. A soot cleaning device for a boiler as claimed in claim 2, wherein: the annular (30) include first groove (301) that the level was seted up and set up second groove (302) at first groove (301) inner wall, second groove (302) are seted up simultaneously on two lateral walls of first groove (301).

6. A soot cleaning device for a boiler as claimed in claim 1, wherein: the mounting plate (42) is in threaded connection with the connecting rod (41).

7. A soot cleaning device for a boiler as claimed in claim 1, wherein: the lower ends of the soft bristles (43) form an arc-shaped cleaning surface, and the cleaning surface inclines upwards from the middle part to the two ends.

8. A soot cleaning device for a boiler as claimed in claim 1, wherein: the cleaning mechanism (20) further comprises a blowing assembly (50) and a pumping assembly (51), the blowing assembly (50) and the pumping assembly (51) comprise a dust suction head (52), a dust suction pipe (53) fixedly connected to the dust suction head (52) and a suction piece (54) connected with the dust suction pipe (53) and used for providing suction force, the blowing assembly (50) is located on one side, close to the top, of the heat exchange chamber (11), and the pumping assembly (51) is located on one side, close to the bottom, of the heat exchange chamber (11).