CN217481581U

CN217481581U - Desulfurization and denitrification exhaust-heat boiler draught fan

Info

Publication number: CN217481581U
Application number: CN202122357431.1U
Authority: CN
Inventors: 刘燕泉; 刘在岗; 沈宝华; 孙德智; 徐振宁
Original assignee: Tianjin Syp Glass Co ltd
Current assignee: Tianjin Syp Glass Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-09-23
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses a SOx/NOx control exhaust-heat boiler draught fan, the utility model relates to an exhaust-heat boiler technical field. When the top of the rotating cam moves the blocking block in the oil leakage hole, and when the rotating cam pushes the blocking block, lubricating oil in the oil storage tank leaks outside the rolling shaft through the oil leakage hole, when the bottom of the rotating cam is connected with the blocking block, a spring at the top of the blocking block enables the blocking block to be connected with the oil leakage hole in a fitting mode to seal the oil storage tank, so that the rolling shaft can rotate rapidly under the action of the lubricating oil, when external sundries are attached to the outer portion of the filter screen, the first telescopic link is extended, the movable knife is moved by the contraction end of the first telescopic link, the sundries outside the filter screen are moved to the bottom of the filter screen, when the second telescopic link is extended, the contraction end of the second telescopic link moves the cutter outside the movable knife, the sundries outside the movable knife are removed, air can enter the air guide pipe through the sealing cover, and the ventilation effect is improved.

Description

Desulfurization and denitrification exhaust-heat boiler draught fan

Technical Field

The utility model relates to a waste heat boiler technical field specifically is a SOx/NOx control waste heat boiler draught fan.

Background

The waste heat boiler is a boiler which heats water to a certain working medium by utilizing waste heat in waste gas, waste material or waste liquid in various industrial processes and heat generated after combustible substances are combusted. The oil-fired boiler, the gas-fired boiler and the coal-fired boiler with the smoke box and the flue waste heat recycling function are also called as waste heat boilers, the waste heat boilers can produce hot water or steam for other working sections to use through waste heat recycling, a draught fan is frequently used in the waste heat boilers, the draught fan is a device which generates negative pressure through rotation of an impeller and further extracts air from a system (device), the draught fan is generally installed at the tail end of the boiler and is used for extracting hot smoke in a hearth, the draught fan in the waste heat boilers introduces waste gas in the industrial process into the boilers, the fuel oil, the fuel gas and the coal are combusted to generate high-temperature smoke to release heat, the high-temperature smoke firstly enters the hearth, then enters a waste heat recovery device of a front smoke box, then enters a smoke pipe and finally enters a waste heat recovery device in a flue of a rear smoke box, and the high-temperature smoke is changed into low-temperature smoke and is discharged into the atmosphere through a chimney.

The draught fan that present exhaust-heat boiler used, when using, a lot of draught fans are when transmission rotation efficiency, and it has reduced transmission efficiency not have lubricated effect between rotation support frame and the roll axis, perhaps rotate the fan blade and inhale outside debris on the filter screen, have reduced the effect of ventilation, and for this reason, technical staff in the field has proposed a SOx/NOx control exhaust-heat boiler draught fan.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a SOx/NOx control exhaust-heat boiler draught fan has solved and has not lubricated effect between rotation support frame and the roll axis and reduced transmission efficiency, perhaps rotates the fan blade and inhales outside debris on the filter screen, has reduced ventilation effect's problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a SOx/NOx control exhaust-heat boiler draught fan, includes rotation support frame and induced duct, rotation support frame's both ends fixedly connected with lubricating mechanism, the outside fixedly connected with filtering mechanism of induced duct.

Lubricating mechanism includes the oil storage tank, the bottom fixedly connected with sealing washer of oil storage tank, one side of sealing washer is equipped with the oil leak hole, the inside of oil storage tank and the outside fixed connection of oil leak hole, the inside laminating of oil leak hole is connected with the separation block, the inside fixedly connected with of separation block removes the guide arm, remove the outside fixedly connected with spring of guide arm, the outside laminating of separation block is connected with the rotation cam.

Preferably, the filtering mechanism comprises a sealing cover, the inside fixedly connected with filter screen of the sealing cover, one side of the filter screen is provided with a first telescopic rod, the outside of the first telescopic rod is fixedly connected with the sealing cover, the contraction end of the first telescopic rod is fixedly connected with a movable knife, the bottom of the sealing cover is fixedly connected with a second telescopic rod, and the contraction end of the second telescopic rod is fixedly connected with a cutter.

Preferably, the rotating cam and the sealing ring are connected with a rolling shaft in a rolling manner, a connecting sleeve rod is fixedly connected to the outer portion of one end of the rolling shaft, and a motor is fixedly connected to the inner portion of one end of the connecting sleeve rod.

Preferably, the other end of the rolling shaft is fixedly connected with a rotating fan blade, the outer portion of the rotating fan blade is connected with an induced duct in a fitting mode, and the outer portion of the rolling shaft is in rolling connection with the induced duct.

Preferably, the bottom of the motor, the rotating support frame and the induced draft tube is fixedly connected with a fixed base, and the outside of the rolling shaft is in rolling connection with the inside of the rotating support frame.

Preferably, the inner side of the cutter is in fit connection with the outer part of the movable knife, the outer length of the movable knife is consistent with the diameter of the sealing cover, and the inner side of the movable knife is in fit connection with the outer part of the filter screen.

Advantageous effects

The utility model provides a SOx/NOx control exhaust-heat boiler draught fan. Compared with the prior art, the method has the following beneficial effects:

1. a desulfurization and denitrification exhaust-heat boiler draught fan comprises an oil storage tank through a lubricating mechanism, wherein a sealing ring is fixedly connected to the bottom of the oil storage tank, an oil leakage hole is formed in one side of the sealing ring, the inside of the oil storage tank is fixedly connected with the outside of the oil leakage hole, a blocking block is connected to the inside of the oil leakage hole in an attaching mode, a moving guide rod is fixedly connected to the inside of the blocking block, a spring is fixedly connected to the outside of the moving guide rod, a rotating cam is connected to the outside of the blocking block in an attaching mode, the rotating cam is driven to rotate through the outside of a rolling shaft, when the blocking block moves in the inside of the oil leakage hole at the top of the rotating cam, when the blocking block is pushed up by the rotating cam, lubricating oil in the oil storage tank leaks out of the rolling shaft through the oil leakage hole, when the bottom of the rotating cam is connected with the blocking block, the blocking block is connected with the oil leakage hole through the spring at the top of the blocking block to seal the oil storage tank, and the sealing ring outside of the rolling shaft blocks the lubricating oil outside of the rolling shaft, therefore, the rolling shaft can rotate quickly under the action of lubricating oil, and the transmission efficiency of the rolling shaft is improved.

2. A desulfurization and denitrification exhaust-heat boiler draught fan comprises a sealing cover through a filtering mechanism, a filtering screen is fixedly connected inside the sealing cover, a first telescopic rod is arranged on one side of the filtering screen, the outside of the first telescopic rod is fixedly connected with the sealing cover, a movable knife is fixedly connected with the contraction end of the first telescopic rod, a second telescopic rod is fixedly connected with the bottom of the sealing cover, a cutter is fixedly connected with the contraction end of the second telescopic rod, external air is sucked into an air guiding pipe through the sealing cover by rotating a fan blade, when external sundries are attached to the outside of the filtering screen, the first telescopic rod is extended, the movable knife moves the outside of the filtering screen by the contraction end of the first telescopic rod, the sundries outside the filtering screen are moved to the bottom of the filtering screen, the second telescopic rod is extended, the contraction end of the second telescopic rod moves the cutter outside of the movable knife, and therefore the sundries outside the movable knife can be moved away, the air can enter the induced draft tube through the sealing cover, and the ventilation effect is improved.

Drawings

FIG. 1 is a sectional view of the present invention;

FIG. 2 is an internal schematic view of the lubricating mechanism of the present invention;

fig. 3 is a schematic view of the filtering mechanism of the present invention.

In the figure: 1. rotating the support frame; 2. a lubrication mechanism; 21. an oil storage tank; 22. a spring; 23. moving the guide rod; 24. a barrier block; 25. rotating the cam; 26. a seal ring; 27. an oil leakage hole; 3. a filtering mechanism; 31. a sealing cover; 32. a filter screen; 33. moving the knife; 34. a first telescopic rod; 35. a cutter; 36. a second telescopic rod; 4. a motor; 5. a fixed base; 6. a rolling shaft; 7. connecting the loop bar; 8. an induced draft pipe; 9. the fan blades are rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

The utility model provides a technical scheme: the utility model provides a SOx/NOx control exhaust-heat boiler draught fan, is including rotating support frame 1 and induced duct 8, rotates the lubricated mechanism 2 of both ends fixedly connected with of support frame 1, and the outside fixedly connected with filter equipment 3 of induced duct 8.

Referring to fig. 2, the lubricating mechanism 2 includes an oil storage tank 21, a sealing ring 26 is fixedly connected to the bottom of the oil storage tank 21, an oil leakage hole 27 is formed in one side of the sealing ring 26, the inside of the oil storage tank 21 is fixedly connected to the outside of the oil leakage hole 27, a blocking block 24 is attached to the inside of the oil leakage hole 27, a moving guide rod 23 is fixedly connected to the inside of the blocking block 24, a spring 22 is fixedly connected to the outside of the moving guide rod 23, and a rotating cam 25 is attached to the outside of the blocking block 24.

Referring to fig. 3, the filtering mechanism 3 includes a sealing cover 31, a filtering net 32 is fixedly connected inside the sealing cover 31, a first telescopic rod 34 is arranged on one side of the filtering net 32, the outside of the first telescopic rod 34 is fixedly connected with the sealing cover 31, a movable knife 33 is fixedly connected to a contraction end of the first telescopic rod 34, a second telescopic rod 36 is fixedly connected to the bottom of the sealing cover 31, and a cutter 35 is fixedly connected to a contraction end of the second telescopic rod 36.

Referring to fig. 1, a rolling shaft 6 is connected to the inside of a rotating cam 25 and a sealing ring 26 in a rolling manner, a connecting sleeve rod 7 is fixedly connected to the outside of one end of the rolling shaft 6, a motor 4 is fixedly connected to the inside of one end of the connecting sleeve rod 7, a rotating fan blade 9 is fixedly connected to the other end of the rolling shaft 6, an air guiding pipe 8 is connected to the outside of the rotating fan blade 9 in a fitting manner, the outside of the rolling shaft 6 is connected to the air guiding pipe 8 in a rolling manner, a fixing base 5 is fixedly connected to the bottoms of the motor 4, the rotating support frame 1 and the air guiding pipe 8, the outside of the rolling shaft 6 is connected to the inside of the rotating support frame 1 in a rolling manner, the inside of a cutter 35 is connected to the outside of a moving cutter 33 in a fitting manner, the outside length of the moving cutter 33 is consistent with the diameter of a sealing cover 31, and the inside of the moving cutter 33 is connected to the outside of a filtering net 32 in a fitting manner.

When the device is used, firstly, the fixed base 5 is started, the output shaft of the fixed base 5 drives the rolling shaft 6 to rotate through the connecting sleeve rod 7, the outer part of the rolling shaft 6 drives the rotating cam 25 to rotate, when the top of the rotating cam 25 moves the blocking block 24 in the oil leakage hole 27, when the rotating cam 25 jacks the blocking block 24, lubricating oil in the oil storage tank 21 leaks out of the rolling shaft 6 through the oil leakage hole 27, when the bottom of the rotating cam 25 is connected with the blocking block 24, the spring 22 at the top of the blocking block 24 enables the blocking block 24 to be attached and connected with the oil leakage hole 27 to seal the oil storage tank 21, the sealing ring 26 at the outer part of the rolling shaft 6 blocks the lubricating oil out of the rolling shaft 6, the rolling shaft 6 rotates the rotating fan blade 9 in the air guiding pipe 8 through the rotating support frame 1, the rotating fan blade 9 enables the outer air to be sucked into the air guiding pipe 8 through the sealing cover 31, and when the external sundries are attached to the outer part of the filter screen 32, when the first telescopic rod 34 is extended, the movable knife 33 is moved by the contraction end of the first telescopic rod 34 to move the outer part of the filter screen 32, the sundries outside the filter screen 32 are moved to the bottom of the filter screen 32, and when the second telescopic rod 36 is extended, the cutter 35 is moved by the contraction end of the second telescopic rod 36 outside the movable knife 33 to move the sundries outside the movable knife 33, so that the air can enter the induced duct 8 through the sealing cover 31.

It should be noted that, in this document, relational terms such as first and second, and the like are 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. The utility model provides a SOx/NOx control exhaust-heat boiler draught fan, includes rotation support frame (1) and induced duct (8), its characterized in that: two ends of the rotary support frame (1) are fixedly connected with lubricating mechanisms (2), and the outside of the induced draft pipe (8) is fixedly connected with a filtering mechanism (3);

lubricating mechanism (2) includes oil storage tank (21), the bottom fixedly connected with sealing washer (26) of oil storage tank (21), one side of sealing washer (26) is equipped with oil leak hole (27), the outside fixed connection of the inside of oil storage tank (21) and oil leak hole (27), the inside laminating of oil leak hole (27) is connected with separation block (24), the inside fixedly connected with of separation block (24) removes guide arm (23), remove outside fixedly connected with spring (22) of guide arm (23), the outside laminating of separation block (24) is connected with and rotates cam (25).

2. The desulfurization and denitrification exhaust-heat boiler induced draft fan of claim 1, characterized in that: filtering mechanism (3) are including sealed lid (31), inside fixedly connected with filter screen (32) of sealed lid (31), one side of filter screen (32) is equipped with first telescopic link (34), the outside and sealed lid (31) fixedly connected with of first telescopic link (34), the shrink end fixedly connected with of first telescopic link (34) moves sword (33), the bottom fixedly connected with second telescopic link (36) of sealed lid (31), the shrink end fixedly connected with cutter (35) of second telescopic link (36).

3. The desulfurization and denitrification exhaust-heat boiler induced draft fan of claim 1, characterized in that: the inner rolling connection of the rotating cam (25) and the sealing ring (26) is provided with a rolling shaft (6), the outer fixed connection of one end of the rolling shaft (6) is connected with a connecting sleeve rod (7), and the inner fixed connection of one end of the connecting sleeve rod (7) is provided with a motor (4).

4. The desulfurization and denitrification exhaust-heat boiler induced draft fan of claim 3, characterized in that: the wind power generation device is characterized in that the other end of the rolling shaft (6) is fixedly connected with a rotating fan blade (9), the outer portion of the rotating fan blade (9) is connected with a wind guiding pipe (8) in a fitting mode, and the outer portion of the rolling shaft (6) is in rolling connection with the wind guiding pipe (8).

5. The desulfurization and denitrification exhaust-heat boiler draught fan of claim 3, wherein: the bottom fixedly connected with unable adjustment base (5) of motor (4), rotation support frame (1) and induced duct (8), the outside of roll axis (6) and the inside roll connection who rotates support frame (1).

6. The desulfurization and denitrification exhaust-heat boiler induced draft fan of claim 2, characterized in that: the inner side of the cutter (35) is in fit connection with the outer portion of the movable knife (33), the outer length of the movable knife (33) is consistent with the diameter of the sealing cover (31), and the inner side of the movable knife (33) is in fit connection with the outer portion of the filter screen (32).