CN215765038U - Steam soot blower for newly-added boiler superheater - Google Patents
Steam soot blower for newly-added boiler superheater Download PDFInfo
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- CN215765038U CN215765038U CN202121751868.7U CN202121751868U CN215765038U CN 215765038 U CN215765038 U CN 215765038U CN 202121751868 U CN202121751868 U CN 202121751868U CN 215765038 U CN215765038 U CN 215765038U
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Abstract
The utility model belongs to the field of novel soot blowing systems, and particularly relates to a steam soot blower for a newly-added boiler superheater, which comprises a controller, wherein a servo motor is installed at the bottom end of the controller, the servo motor is connected with a movable threaded column, the movable threaded column is connected with a threaded cylinder, and a connecting block is arranged between the threaded cylinder and a guide cylinder; the embedding has the soot blower rifle shower nozzle in the connecting block, the soot blower rifle shower nozzle is provided with inside runner, be provided with movable nozzle in the inside runner, movable nozzle pressurized when big moves to the right, move left at the spring force that spring return pipe straightened when movable nozzle pressurized when hour and at the spring return, and movable nozzle can clockwise rotation and move left or right when blowout high-pressure steam or high-pressure gas, thereby it is a helix to make movable nozzle spun high-pressure steam or high-pressure gas form the orbit, thereby when clearing up the tube bank of over heater, reduce the angle that the clearance can not reach, thereby reduce pipe wall deposition volume, boiler thermal efficiency is improved, the effectual soot blowing effect who has improved the device.
Description
Technical Field
The utility model relates to a novel soot blowing system field specifically is newly-increased boiler over heater steam soot blower.
Background
A set of long telescopic steam soot blower is arranged at the front end of a superheater of a high-temperature section of the three boilers in the Chongxie sugar industry, and saturated steam of the boiler is used for performing steam soot blowing on a superheater tube bundle during the running period of the boiler so as to keep normal heat transfer of a heating surface of the boiler and ensure the heat efficiency of the boiler.
Boiler exists superheater tube bank deposition and causes boiler thermal efficiency to descend, soot blower blows the effective position and can only reach high temperature section superheater first half tube bank, and latter half tube bank and low temperature section superheater all fail to carry out the steam soot blowing, the scope that the device blown the soot is little or length is short, cause the boiler operation to use to a month after, because superheater tube bank deposition volume is big, heat transfer is poor, boiler exhaust gas temperature will obviously rise, boiler thermal efficiency descends, the boiler is in blowing out maintenance period every year, a lot of deposition has all been hung in high temperature section superheater tube bank and low temperature section superheater tube bank position, and the angle that blows the soot clearance is single, there is the clearance blind area, influence tube bank clearance or soot blowing effect, the device is not perfect enough, be difficult to satisfy the needs of society.
Therefore, how to design a new boiler superheater steam soot blower becomes a problem to be solved currently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a new boiler superheater steam soot blower to solve the defects that the soot blowing range of the device is small or the length is short and the soot blowing cleaning angle is single in the background technology.
In order to achieve the above purpose, the utility model provides the following technical scheme: the newly-added boiler superheater steam soot blower comprises a controller, wherein a servo motor is installed at the bottom end of the controller, and the servo motor is connected with a movable threaded column to drive the movable threaded column to rotate; two ends of the movable threaded column are respectively provided with a side baffle, the servo motor is rotationally connected with the side baffle, the movable threaded column is connected with the threaded cylinder through threads, the threaded cylinder is provided with a guide cylinder, a guide column is arranged between the two side baffles, and the guide cylinder is sleeved on the guide column in a matching manner and can move on the guide column; a connecting block is arranged between the threaded cylinder and the guide cylinder; a soot blowing gun nozzle is embedded in the connecting block; a nozzle threaded barrel is arranged outside the soot blowing gun nozzle, the soot blowing gun nozzle is provided with an internal rotating wheel, and the internal rotating wheel can rotate in the soot blowing gun nozzle; the internal rotating wheel is provided with helical blades, the internal rotating wheel is provided with a plurality of movable nozzles distributed around a circle along the axial direction, the movable nozzles can move leftwards or rightwards in the internal rotating wheel, and the periphery of each movable nozzle is wound with a spring reset tube.
Preferably, a connecting hose is embedded in the connecting block, and the connecting hose for transmitting high-pressure gas or soot blowing steam is in threaded connection with the connecting block.
Preferably, a first connecting port is arranged in one side of the connecting block, a second connecting port is arranged in the other side of the connecting block, sealing rings are arranged outside the first connecting port and the second connecting port, and the inner diameter of each sealing ring is the same as that of the first connecting port and that of the second connecting port.
Preferably, the tangent plane pattern of the guide post is a square with four corners cut off and subjected to corner rounding treatment.
Preferably, the side baffles are arranged on two side edges of the guide post in a fixed connection mode, and the movable threaded post is arranged between the two side baffles in a movable connection mode.
Preferably, the internal rotating wheel is respectively provided with six helical blades and six movable nozzles.
Preferably, the spring return pipe is connected with the inner rotating wheel and the spring return pipe is connected with the movable nozzle.
Compared with the prior art, the utility model has the beneficial effects that:
1. this newly-increased boiler superheater steam soot blower when nestification is outside the guide post through the guide cylinder to let guide cylinder and screw thread section of thick bamboo and connecting block form a whole can be stable move left or right, make the stable move left or right of soot blower shower nozzle that is used for blowing the ash and blow the ash work, thereby can increase the device and clear up the scope or the length of blowing the ash to the tube bank of superheater, reduce or eliminated the position that the clearance can not arrive, the effectual practicality that improves the device and use.
2. This newly-increased boiler superheater steam soot blower, movable nozzle spun high-pressure steam or high-pressure gas form the orbit to be a helix to when the tube bank of clearance superheater, reduce the angle that the clearance can not arrive, thereby reduce pipe wall deposition volume, improve boiler thermal efficiency, the effectual soot blowing effect that improves the device.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a left side view of the connector block of the present invention;
FIG. 3 is a right side view of the connector block of the present invention;
FIG. 4 is a top view of the lance tip of the sootblower of the present invention;
FIG. 5 is a cross-sectional view A-A of the present invention.
In the figure: 1. a controller; 2. a servo motor; 3. a spring return tube; 4. a side baffle; 5. a guide post; 6. a guide cylinder; 7. a threaded barrel; 8. connecting blocks; 9. a soot blowing gun nozzle; 10. a connecting hose; 11. a movable threaded post; 12. a seal ring; 13. a first connection port; 14. a second connection port; 15. an inner runner; 16. a helical blade; 17. a movable nozzle; 18. a nozzle threaded barrel; 19. in that respect
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 a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention are within the scope of protection of the present invention without any creative efforts.
In describing the present invention, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby features defined as "first" and "second" may explicitly or implicitly include one or more of such features, in the description of the utility model "plurality" means two or more unless explicitly and explicitly limited otherwise.
In the first embodiment, referring to fig. 1-5, the present invention provides a technical solution: the newly-added boiler superheater steam soot blower comprises a controller 1, wherein a servo motor 2 is installed at the bottom end of the controller 1, and the servo motor 2 is connected with a movable threaded column 11 to drive the movable threaded column 11 to rotate; two ends of the movable threaded column 11 are respectively provided with a side baffle 4, the servo motor 2 is rotationally connected with the side baffle 4, the movable threaded column 11 is connected with the threaded cylinder 7 through threads, the threaded cylinder 7 is provided with a guide cylinder 6, a guide column 5 is arranged between the two side baffles 4, and the guide cylinder 6 is sleeved on the guide column 5 in a matching manner and can move on the guide column 5; a connecting block 8 is arranged between the threaded cylinder 7 and the guide cylinder 6; a soot blowing gun nozzle 9 is embedded in the connecting block 8; a nozzle threaded barrel 18 is arranged outside the soot blowing gun nozzle 9, the soot blowing gun nozzle 9 is provided with an internal rotating wheel 15, and the internal rotating wheel 15 can rotate in the soot blowing gun nozzle 9; the inner rotating wheel 15 is provided with helical blades 16, the inner rotating wheel 15 is provided with a plurality of movable nozzles 17 distributed around a circle along the axial direction, the movable nozzles 17 can move leftwards or rightwards in the inner rotating wheel 15, the periphery of each movable nozzle 17 is wound with a spring return pipe 19, a connecting hose 10 is embedded in each connecting block 8, and the connecting hose 10 used for transmitting high-pressure gas or blowing dust steam is in threaded connection with the connecting block 8.
Preferably, a first connecting port 13 is arranged in one side of the connecting block 8, a second connecting port 14 is arranged in the other side of the connecting block 8, sealing rings 12 are arranged outside the first connecting port 13 and the second connecting port 14, the inner diameter of each sealing ring 12 is the same as that of the first connecting port 13 and that of the second connecting port 14, the connecting block 8 is respectively connected with the blowing gun nozzle 9 and the connecting hose 10, namely, the blowing gun nozzle 9 and the connecting hose 10 are respectively connected with a first connecting port 13 and a second connecting port 14, when the blowing gun nozzle 9 and the connecting hose 10 are respectively connected with the first connecting port 13 and the second connecting port 14, the connecting position is filled and sealed through the sealing ring 12, thereby preventing high-pressure gas or soot blowing steam from leaking out of the connection parts of the soot blowing gun nozzle 9 and the connecting hose 10 with the first connecting port 13 and the second connecting port 14 respectively, and playing a role of sealing.
Preferably, the tangent plane figure of the guide post 5 is a square with four cut-off corners and fillet treatment, the side baffles 4 are arranged at two side edges of the guide post 5 in a fixed connection mode, the movable threaded post 11 is arranged between the two side baffles 4 in a movable connection mode, the servo motor 2 is connected with the controller 1 through a wire, the guide post 6, the threaded post 7 and the connecting block 8 form a whole, when the device is used, a power wire is required to be connected with a power supply, the servo motor 2 is started and controlled to rotate through the controller 1, when the servo motor 2 is controlled by the controller 1 to rotate clockwise, the servo motor 2 drives the movable threaded post 11 to rotate clockwise, the threaded post 7 connected with the movable threaded post 11 through a thread moves rightwards, and meanwhile, when the guide post 5 is nested through the guide post 6, the threaded post 7 and the connecting block 8 form a whole and can stably move rightwards, make the stable right removal of soot blowing rifle shower nozzle 9 that is used for blowing the ash carry out soot blowing work, when controller 1 control servo motor 2 anticlockwise rotation, servo motor 2 drives activity screw thread post 11 anticlockwise rotation, make the screw thread section of thick bamboo 7 through threaded connection with activity screw thread post 11 move left, and simultaneously, through guide cylinder 6 nestification when guide cylinder 5 is outer, thereby let guide cylinder 6 and screw thread section of thick bamboo 7 and connecting block 8 form a whole leftward movement that can stabilize, make the leftward movement that is used for soot blowing rifle shower nozzle 9 of soot blowing to stabilize and carry out soot blowing work, thereby can increase the scope or the length that the device cleared up the soot blowing to the tube bank of superheater, reduce or eliminated the position that the clearance can not reach, the effectual practicality that improves the device use.
Preferably, six helical blades 16 and six movable nozzles 17 are respectively arranged on the inner rotating wheel 15, a spring return pipe 19 is connected with the inner rotating wheel 15, the spring return pipe 19 is connected with the movable nozzles 17, a nozzle threaded cylinder 18 arranged on the soot blowing gun nozzle 9 is in threaded connection with a first connecting port 13 in the connecting block 8, the connecting hose 10 is in threaded connection with a second connecting port 14 in the connecting block 8, and the first connecting port 13 is communicated with the second connecting port 14, so that high-pressure steam or high-pressure gas transmitted by the connecting hose 10 can be transmitted into the soot blowing gun nozzle 9 and sprayed out, the helical blades 16 connected in the inner rotating wheel 15 are arranged in a clockwise direction, after the high-pressure steam or high-pressure gas transmitted in the connecting hose 10 reaches the soot blowing gun nozzle 9, the high-pressure steam or high-pressure gas pushes the helical blades 16, so that the inner rotating wheel 15 in the soot blowing gun nozzle 9 rotates clockwise, after the internal rotating wheel 15 rotates, the six movable nozzles 17 are subjected to different pressures of high-pressure steam or high-pressure gas, so that the movable nozzles 17 move rightwards when the pressure extruded by the high-pressure steam or the high-pressure gas is large, and move leftwards through the straightening elastic force of the spring reset pipe 19 when the pressure extruded by the high-pressure steam or the high-pressure gas is small, so that the movable nozzles 17 complete resetting, and the movable nozzles 17 can rotate clockwise and move leftwards or rightwards when spraying the high-pressure steam or the high-pressure gas, so that the track formed by the high-pressure steam or the high-pressure gas sprayed by the movable nozzles 17 is a spiral line, and when cleaning the tube bundle of the superheater, the angles which cannot be cleaned are reduced, the ash deposition on the tube wall is reduced, the thermal efficiency of the boiler is improved, and the soot blowing effect of the device is effectively improved.
The working principle is as follows: firstly, checking the sealing effect of a sealing ring 12, arranging a first connecting port 13 in one side of a connecting block 8, arranging a second connecting port 14 in the other side of the connecting block 8, arranging sealing rings 12 outside the first connecting port 13 and the second connecting port 14, wherein the inside diameter of the sealing ring 12 is the same as that of the first connecting port 13 and the second connecting port 14, the connecting block 8 is respectively connected with a soot blowing gun nozzle 9 and a connecting hose 10, namely the soot blowing gun nozzle 9 and the connecting hose 10 are respectively connected with the first connecting port 13 and the second connecting port 14, when the soot blowing gun nozzle 9 and the connecting hose 10 are respectively connected with the first connecting port 13 and the second connecting port 14, filling and sealing the connecting part through the sealing ring 12, thereby avoiding high-pressure gas or soot blowing steam from leaking out from the connecting part of the soot blowing gun nozzle 9 and the connecting hose 10 and the first connecting port 13 and the second connecting port 14, the sealing function is realized;
then, the length or range of soot blowing of the device is adjusted, the tangent plane graph of the guide post 5 is a square with four corners cut off and fillet processed, the side baffles 4 are arranged at two sides of the guide post 5 in a fixed connection mode, the movable threaded post 11 is arranged between the two side baffles 4 in a movable connection mode, the servo motor 2 is connected with the controller 1 through a wire, the guide post 6 and the threaded post 7 form a whole with the connecting block 8, when the device is used, a power line is required to be connected with a power supply, the servo motor 2 is started and controlled to rotate through the controller 1, when the controller 1 controls the servo motor 2 to rotate clockwise, the servo motor 2 drives the movable threaded post 11 to rotate clockwise, so that the threaded post 7 connected with the movable threaded post 11 through threads moves rightwards, and meanwhile, when the guide post 5 is nested through the guide post 6, thereby leading the guide cylinder 6, the threaded cylinder 7 and the connecting block 8 to form a whole body which can stably move rightwards, leading the soot blowing gun nozzle 9 for soot blowing to stably move rightwards for soot blowing, when the controller 1 controls the servo motor 2 to rotate anticlockwise, the servo motor 2 drives the movable threaded column 11 to rotate anticlockwise, so that the threaded cylinder 7 which is in threaded connection with the movable threaded column 11 moves leftwards, and meanwhile, when the guide cylinder 6 is nested outside the guide column 5, thereby leading the guide cylinder 6, the threaded cylinder 7 and the connecting block 8 to form a whole body which can stably move leftwards, leading the soot blowing gun nozzle 9 for soot blowing to stably move leftwards to perform soot blowing work, therefore, the range or the length of the device for cleaning and blowing the soot of the tube bundle of the superheater can be enlarged, the positions which cannot be cleaned are reduced or eliminated, and the practicability of the device is effectively improved;
finally, the soot blowing operation is carried out through the soot blowing gun nozzle 9, six helical blades 16 and six movable nozzles 17 are respectively arranged on the inner rotating wheel 15, the spring return pipe 19 is connected with the movable nozzles 17, the nozzle threaded cylinder 18 arranged on the soot blowing gun nozzle 9 is in threaded connection with the first connecting port 13 arranged in the connecting block 8, the connecting hose 10 is in threaded connection with the second connecting port 14 arranged in the connecting block 8, and the first connecting port 13 is communicated with the second connecting port 14, so that high-pressure steam or high-pressure gas transmitted by the connecting hose 10 can be transmitted into the soot blowing gun nozzle 9 and sprayed out, the helical blades 16 connected in the inner rotating wheel 15 are arranged in the clockwise direction, after the high-pressure steam or high-pressure gas transmitted in the connecting hose 10 reaches the soot blowing gun nozzle 9, the high-pressure steam or high-pressure gas pushes the helical blades 16, the inner rotating wheel 15 in the blowing gun nozzle 9 rotates clockwise, after the inner rotating wheel 15 rotates, the six movable nozzles 17 are subjected to different pressures of high-pressure steam or high-pressure gas, the movable nozzles 17 move rightwards when being subjected to high-pressure steam or high-pressure gas extrusion pressure, the movable nozzles 17 move leftwards through the straightened elastic force of the spring reset pipe 19 when being subjected to high-pressure steam or high-pressure gas extrusion pressure, so that the movable nozzles 17 complete resetting, the movable nozzles 17 can rotate clockwise and move leftwards or rightwards when spraying high-pressure steam or high-pressure gas, so that the high-pressure steam or high-pressure gas sprayed by the movable nozzles 17 form a track as a spiral line, and when cleaning the tube bundle of the superheater, the angle which cannot be cleaned is reduced, the ash accumulation amount of the tube wall is reduced, the thermal efficiency of the boiler is improved, and the soot blowing effect of the device is effectively improved, the working principle of the steam soot blower of the newly added boiler superheater is shown.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Newly-increased boiler superheater steam soot blower, including controller (1), its characterized in that: the servo motor (2) is installed at the bottom end of the controller (1), and the servo motor (2) is connected with the movable threaded column (11) to drive the movable threaded column (11) to rotate; two ends of the movable threaded column (11) are respectively provided with a side baffle (4), the servo motor (2) is rotatably connected with the side baffles (4), the movable threaded column (11) is connected with the threaded cylinder (7) through threads, the threaded cylinder (7) is provided with a guide cylinder (6), a guide column (5) is arranged between the two side baffles (4), and the guide cylinder (6) is sleeved on the guide column (5) in a matching manner and can move on the guide column (5); a connecting block (8) is arranged between the threaded cylinder (7) and the guide cylinder (6); a soot blowing gun nozzle (9) is embedded in the connecting block (8); a spray head threaded barrel (18) is arranged outside the soot blowing gun spray head (9), the soot blowing gun spray head (9) is provided with an internal rotating wheel (15), and the internal rotating wheel (15) can rotate in the soot blowing gun spray head (9); the inner rotating wheel (15) is provided with helical blades (16), the inner rotating wheel (15) is provided with a plurality of movable nozzles (17) distributed around a circle along the axial direction, the movable nozzles (17) can move leftwards or rightwards in the inner rotating wheel (15), and the periphery of each movable nozzle (17) is wound with a spring return pipe (19).
2. The newly added boiler superheater steam sootblower of claim 1, wherein: a connecting hose (10) is embedded in the connecting block (8), and the connecting hose (10) used for transmitting high-pressure gas or blowing dust steam is in threaded connection with the connecting block (8).
3. The newly added boiler superheater steam sootblower of claim 1, wherein: the connecting structure is characterized in that a first connecting port (13) is arranged in one side of the connecting block (8), a second connecting port (14) is arranged in the other side of the connecting block (8), sealing rings (12) are arranged outside the first connecting port (13) and the second connecting port (14), and the inner side diameter of each sealing ring (12) is the same as that of each first connecting port (13) and that of each second connecting port (14).
4. The newly added boiler superheater steam sootblower of claim 1, wherein: the tangent plane figure of guide post (5) is four angles and is amputated and the square that carries out the fillet processing.
5. The newly added boiler superheater steam sootblower of claim 1, wherein: the side baffles (4) are arranged on two side edges of the guide post (5) in a fixed connection mode, and the movable threaded post (11) is arranged between the two side baffles (4) in a movable connection mode.
6. The newly added boiler superheater steam sootblower of claim 1, wherein: the internal rotating wheel (15) is respectively provided with six helical blades (16) and six movable nozzles (17).
7. The newly added boiler superheater steam sootblower of claim 1, wherein: the spring return pipe (19) is connected with the inner rotating wheel (15), and the spring return pipe (19) is connected with the movable nozzle (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121751868.7U CN215765038U (en) | 2021-07-30 | 2021-07-30 | Steam soot blower for newly-added boiler superheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121751868.7U CN215765038U (en) | 2021-07-30 | 2021-07-30 | Steam soot blower for newly-added boiler superheater |
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| Publication Number | Publication Date |
|---|---|
| CN215765038U true CN215765038U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121751868.7U Active CN215765038U (en) | 2021-07-30 | 2021-07-30 | Steam soot blower for newly-added boiler superheater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116498983A (en) * | 2023-06-27 | 2023-07-28 | 山西毅诚科信科技有限公司 | Rake type soot blower with self-cleaning function |
-
2021
- 2021-07-30 CN CN202121751868.7U patent/CN215765038U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116498983A (en) * | 2023-06-27 | 2023-07-28 | 山西毅诚科信科技有限公司 | Rake type soot blower with self-cleaning function |
| CN116498983B (en) * | 2023-06-27 | 2023-08-29 | 山西毅诚科信科技有限公司 | Rake type soot blower with self-cleaning function |
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