CN217109604U - Soot blower for boiler steam - Google Patents

Abstract

The utility model discloses a soot blower for boiler steam, which relates to the technical field of boiler soot blowing and comprises a housing and a toothed chain, wherein the inner walls of two sides of the housing are movably connected with an air pressure column through a bearing, the outer wall of the housing, which is positioned on the air pressure column, is sleeved with a box body, the box body and the air pressure column are in sliding connection, one side of the box body, which is positioned on the air pressure column, is sleeved with a high temperature resistant conduit, the high temperature resistant conduit is movably connected with the box body, one end, which is positioned on the high temperature resistant conduit, is provided with a second air jet, and the inner wall of one end of the high temperature resistant conduit is provided with a baffle; the utility model discloses jet-propelled when earlier driving high temperature resistant pipe rotation through first motor for steam can the spread range wider, and the front end that lies in high temperature resistant pipe simultaneously can also adsorb the dust that rises in the boiler in jet-propelled, prevents to be adsorbed in the boiler wall by the dust secondary that steam blown up, and the holistic soot blowing effect that blows of soot blower that leads to boiler steam reduces.

Description

Soot blower for boiler steam

Technical Field

The utility model relates to a boiler blows grey technical field, specifically is a soot blower for boiler steam.

Background

During the production and operation of the boiler, the surfaces of a heating surface, namely a water-cooled wall, a superheater, an economizer, a preheater, a flue and the like, are deposited with ash and slagging, which are problems which are troubled for a long time and difficult to solve, the heat transfer of the heating surface of the boiler is weakened, the thermal efficiency of the boiler is reduced, the production load is reduced, and when the ash and slagging of the heating surface are serious, the boiler can be stopped accidentally, so that great economic loss is caused; at present, most boilers are provided with steam soot blowers, compressed air soot blowers, steel ball soot blowers and the like.

The soot blower of boiler steam is at the during operation, because the device is only blown the dust on the boiler wall and falls, because the dust is not handled completely, the dust of raising may appear secondary adsorption's problem, lead to still can remain the dust on the boiler wall, whole device constantly uses steam in the boiler simultaneously, has the extravagant problem of vapour.

To this end, we propose a sootblower for boiler steam.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soot blower for boiler steam drives through first motor and spouts when high temperature resistant pipe is rotatory for steam can the spread range wider, and the front end that lies in high temperature resistant pipe simultaneously can also adsorb the dust of raising up in the boiler in jet-propelled, has solved the dust secondary adsorption of raising up in the problem of boiler wall.

In order to achieve the above object, the utility model provides a following technical scheme:

a soot blower for boiler steam comprises a housing and a toothed chain, wherein the inner walls of two sides of the housing are movably connected with a gas pressure column through a bearing, a box body is sleeved on the outer wall of the gas pressure column, the box body is in sliding connection with the gas pressure column, a high-temperature-resistant guide pipe is sleeved on one side of the box body and on the gas pressure column, the high-temperature-resistant guide pipe is movably connected with the box body, a second air jet port is formed in one end of the high-temperature-resistant guide pipe, and a partition plate is arranged on the inner wall of one end of the high-temperature-resistant guide pipe;

the improved dust-proof ash-guiding device is characterized in that a first cavity is formed in the box body, a second cavity is formed in the bottom of the first cavity, an exhaust fan is fixed to the inner wall of the bottom of the second cavity through bolts, an ash-guiding pipe is installed in the high-temperature-resistant pipe, one end of the ash-guiding pipe penetrates through the box body and the first cavity respectively and extends into the second cavity, the other end of the ash-guiding pipe penetrates through one side of the partition plate, and a sealing plate is installed on one side of the second cavity.

Further, there is the threaded rod one side inner wall of housing through bearing swing joint, and the one end that is located the threaded rod runs through one side of box and housing respectively and is fixed with the second gear through spot welding, there is the pivot one side inner wall of housing through bearing swing joint, and the one end that is located the pivot runs through one side of box and housing respectively and is fixed with the third gear through spot welding, the outer wall of pivot is fixed with the cam through spot welding.

Furthermore, a second motor is fixed on one side of the top of the housing through a bolt, a first gear is fixed at the output end of the second motor through spot welding, a limiting block is fixed on the outer wall of the threaded rod through spot welding, and the first gear, the second gear and the third gear are connected through a toothed chain.

Further, one side inner wall of housing has the atmospheric pressure jar through the bolt fastening, and the bottom intercommunication that is located the atmospheric pressure jar has the atmospheric pressure pipe, the air duct is installed at the top of atmospheric pressure jar, and the one end that is located the air duct is linked together with the atmospheric pressure post, one side of air duct is rotated through the bearing and is connected with the bull stick, and is located one side of bull stick and rotates through the bearing and be connected with the air guide pole, the spring is installed to one side of bull stick, and the other end that is located the spring is fixed mutually with the atmospheric pressure jar.

Furthermore, the one end of high temperature resistant pipe has evenly seted up the ash hole, first jet orifice has been seted up to the one end of pneumatic column, the bottom inner wall of first cavity has first motor through the bolt fastening, and the output that is located first motor runs through one side of box and is connected with high temperature resistant pipe through the chain gear.

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

1. in the utility model, the high temperature resistant pipe is driven by the first motor to rotate and simultaneously jet air, so that the diffusion range of steam is wider, and the front end of the high temperature resistant pipe can adsorb dust raised in the boiler while jetting air, thereby preventing the dust blown by the steam from being secondarily adsorbed on the wall of the boiler and reducing the integral soot blowing effect of the soot blower of the steam of the boiler;

2. the utility model discloses in, drive the atmospheric pressure jar that opens and shuts of cam indirectness through rotatory pivot for steam in the atmospheric pressure jar is sprayed from the second air jet indirectly, has avoided boiler steam soot blower constantly to jet gas in the boiler, causes the waste of vapour, and indirect jet-propelled high temperature resistant pipe makes the air exhauster can adsorb the dust of raising in the boiler better simultaneously.

Drawings

FIG. 1 is a schematic view of the overall structure of a soot blower for boiler steam according to the present invention;

FIG. 2 is a schematic front sectional view of a sootblower for boiler steam according to the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the connection between the box body and the high temperature resistant conduit of the present invention;

FIG. 4 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 5 is a schematic side view of the soot blower for boiler steam according to the present invention.

In the figure: 1. a housing; 2. a gas pressure column; 3. a box body; 4. a high temperature resistant conduit; 5. ash extraction holes; 6. a first cavity; 7. a second cavity; 8. a first motor; 9. an exhaust fan; 10. an ash guide pipe; 11. sealing plates; 12. a second motor; 13. a first gear; 14. a threaded rod; 15. a second gear; 16. a rotating shaft; 17. a third gear; 18. a toothed chain; 19. a cam; 20. a gas-guide tube; 21. a rotating rod; 22. an air pressure tank; 23. a spring; 24. an air guide rod; 25. a pneumatic conduit; 26. a limiting block; 27. a second air injection port; 28. a first air injection port; 29. a separator.

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.

Referring to fig. 1-5, the present invention provides a technical solution:

the whole boiler soot blower is divided into a steam soot blower, a compressed air soot blower, a steel ball soot blower and the like, the steam soot blower is commonly used, wherein the steam soot blower can be divided into a long telescopic soot blower and a hearth soot blower;

as shown in fig. 1-2, the front end of the whole soot blower for boiler steam is communicated with the boiler wall, so that the whole high temperature resistant conduit 4 can enter the whole boiler to blow soot on the side wall of the boiler, the air source of the whole high temperature resistant conduit 4 is from the air pressure tank 22, meanwhile, the bottom of the whole air pressure tank 22 is communicated with the air pressure conduit 25, and the steam is continuously introduced into the air pressure tank 22 through the air pressure conduit 25;

during the operation, the second motor 12 on the top of the housing 1 starts to work, the output end of the second motor 12 is provided with a first gear 13, the whole housing 1 is movably connected with a threaded rod 14 and a rotating shaft 16, one end of the threaded rod 14 and one end of the rotating shaft 16 penetrate one end of the housing 1 and are fixed with a second gear 15 and a third gear 17, the first gear, the second gear and the third gear 17 are connected through a toothed chain 18, when the second motor 12 rotates, the threaded rod 14 and the rotating shaft 16 both rotate, the threaded rod 14 mainly takes charge of the left and right movement of the box body 3 in the housing 1, the rotating shaft 16 mainly manages the steam in the pressure tank 22 to enter the high temperature resistant conduit 4, as shown in fig. 4, the high temperature resistant conduit 4 is connected with the pressure tank 22 through an air duct 20, the air duct 20 is provided with a rotating rod 21, the rotating shaft 16 is provided with a cam 19, and the cam 19 is positioned on the top of the rotating rod 21, when the rotating shaft 16 rotates, the cam 19 on the rotating shaft 16 continuously presses the rotating rod 21 on the air guide tube 20, so that the air guide rod 24 connected with the other end of the rotating rod 21 opens a switch in the air pressure tank 22, steam can enter the high-temperature resistant guide tube 4 along the air guide tube 20, the switch in the air pressure tank 22 is continuously opened and closed due to the fact that the whole rotating rod 21 continuously rotates under the extrusion of the cam 19, a second air jet port 27 at the front end of the high-temperature resistant guide tube 4 can indirectly jet air, meanwhile, the resetting of the rotating rod 21 is facilitated, a spring 23 is arranged between the rotating rod 21 and the air pressure tank 22, and when the cam 19 does not act on the rotating rod 21, the whole air pressure tank 22 is in a closed state;

as shown in fig. 3, the front end of the whole high temperature resistant conduit 4 is provided with an ash extraction hole 5, when the steam in the high temperature resistant conduit 4 blows off the dust on the boiler wall, the dust is prevented from attaching to the boiler wall again, at this time, the exhaust fan 9 in the second cavity 7 in the box body 3 starts to work, the second cavity 7 is connected with the ash guide pipe 10, the other end of the ash guide pipe 10 is communicated with the partition 29 at the front end of the high temperature resistant conduit 4, when the high temperature resistant conduit 4 continuously enters the boiler to blow off the ash, the exhaust fan 9 adsorbs the dust raised in the boiler to prevent the dust from attaching to the boiler wall again, after the whole device works for a period of time, the worker can open the sealing plate 11 on the box body 3 to clean the boiler ash in the second cavity 7, the indirect air injection of the whole high temperature resistant conduit 4 is to prevent the dust in the air around the ash extraction hole 5 from being blown away by the steam sprayed from the second air injection port 27, so that the exhaust fan 9 cannot adsorb dust;

simultaneously in order to make high temperature resistant pipe 4 jet-propelled coverage wider in the boiler, be located and install first motor 8 in the first cavity 6 of box 3, first motor 8 passes through toothed chain 18 and drives whole high temperature resistant pipe 4 and rotate, make high temperature resistant pipe 4 rotate in jet-propelled, first jet-propelled 28 has been seted up to the front end of whole gas cylinder 2, make the vapour in the atmospheric pressure jar 22 can enter into high temperature resistant pipe 4 along air duct 20, it needs to be noted, prevent that whole box 3 motion distance is too close, install stopper 26 on the threaded rod 14, prevent that box 3 from hitting atmospheric pressure jar 22.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (5)

1. A sootblower for boiler steam comprising a shroud (1) and a toothed chain (18), characterized in that: the inner walls of two sides of the housing (1) are movably connected with the air pressure column (2) through a bearing, the outer wall of the air pressure column (2) is sleeved with a box body (3), the box body (3) is in sliding connection with the air pressure column (2), one side of the box body (3) is sleeved with a high-temperature-resistant conduit (4) on the air pressure column (2), the high-temperature-resistant conduit (4) is movably connected with the box body (3), a second air jet port (27) is formed in one end of the high-temperature-resistant conduit (4), and a partition plate (29) is installed on the inner wall of one end of the high-temperature-resistant conduit (4);

first cavity (6) have been seted up in box (3), and the bottom that is located first cavity (6) has seted up second cavity (7), the bottom inner wall of second cavity (7) has air exhauster (9) through the bolt fastening, install ash guide pipe (10) in high temperature resistant pipe (4), and the one end that is located ash guide pipe (10) runs through box (3) and first cavity (6) respectively and extends to in second cavity (7), the other end of ash guide pipe (10) runs through one side of baffle (29), closing plate (11) are installed to one side of second cavity (7).

2. A sootblower for boiler steam as claimed in claim 1, wherein: one side inner wall of housing (1) has threaded rod (14) through bearing swing joint, and the one end that is located threaded rod (14) runs through one side of box (3) and housing (1) respectively and is fixed with second gear (15) through spot welding, one side inner wall of housing (1) has pivot (16) through bearing swing joint, and the one end that is located pivot (16) runs through one side of box (3) and housing (1) respectively and is fixed with third gear (17) through spot welding, the outer wall of pivot (16) is fixed with cam (19) through spot welding.

3. A sootblower for boiler steam as claimed in claim 2, wherein: the top one side of housing (1) is through the bolt fastening have second motor (12), and the output that is located second motor (12) is fixed with first gear (13) through spot welding, the outer wall of threaded rod (14) is through spot welding fixed stopper (26), first gear (13), second gear (15) and third gear (17) are connected through toothed chain (18).

4. A sootblower for boiler steam as claimed in claim 1, wherein: the utility model discloses a pneumatic pressure jar (22) is fixed with through the bolt to one side inner wall of housing (1), and the bottom intercommunication that is located pneumatic pressure jar (22) has atmospheric pressure pipe (25), air duct (20) are installed at the top of pneumatic pressure jar (22), and the one end that is located air duct (20) is linked together with pneumatic column (2), one side of air duct (20) is rotated through the bearing and is connected with bull stick (21), and the one side that is located bull stick (21) is rotated through the bearing and is connected with air guide pole (24), spring (23) are installed to one side of bull stick (21), and the other end that is located spring (23) is fixed mutually with pneumatic pressure jar (22).

5. A sootblower for boiler steam as claimed in claim 1, wherein: the dust extraction hole (5) have evenly been seted up to the one end of high temperature resistant pipe (4), first jet (28) have been seted up to the one end of pneumatic column (2), the bottom inner wall of first cavity (6) is fixed with first motor (8) through the bolt, and the output that is located first motor (8) runs through one side of box (3) and is connected with high temperature resistant pipe (4) through toothed chain (18).

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