CN217662089U

CN217662089U - Boiler is discharged fume cooling and is reformed transform and prevent stifled device with air preheater

Info

Publication number: CN217662089U
Application number: CN202220936661.5U
Authority: CN
Inventors: 边利利; 孟锦熙; 薛荣
Original assignee: SHAANXI SHANHUA COAL CHEMICAL INDUSTRY GROUP CO LTD
Current assignee: SHAANXI SHANHUA COAL CHEMICAL INDUSTRY GROUP CO LTD
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-10-28
Anticipated expiration: 2032-04-21

Abstract

The utility model discloses a boiler is discharged fume cooling and is reformed transform and prevent stifled device with air preheater, including the heat-transfer pipe, the inside fixedly connected with fixed block of heat-transfer pipe, the outside of fixed block is rotated and is connected with the pivot, the outside symmetry fixedly connected with connecting plate of pivot, the inside of connecting plate is equipped with first stopper, the outside fixedly connected with doctor-bar of first stopper, the inside fixedly connected with filter screen of heat-transfer pipe, the inside of heat-transfer pipe and the outside that is located the filter screen are rotated and are connected with reciprocal lead screw, the utility model discloses the beneficial effect who reaches is: the scraper can scrape off dust on the inner wall in the heat transfer pipe, the dust is blown to the surface of the filter screen by utilizing the airflow of the air inlet of the heat transfer pipe, and the dust is scraped off by using the cleaning frame, so that the air preheater can be cleaned in the working process, and the cleaning time is saved; when the doctor blade needs to be replaced, the doctor blade can be replaced quickly, so that the doctor blade is replaced more conveniently.

Description

Boiler is discharged fume cooling and is reformed transform and prevent stifled device with air preheater

Technical Field

The utility model relates to an air preheater prevents stifled technical field, specifically is a boiler is discharged fume cooling and is reformed transform and prevent stifled device with air preheater.

Background

In the existing life, an air preheater is also called as an air preheater for short, namely a heating surface for preheating air before entering a boiler to a certain temperature by smoke in a tail flue of the boiler through an internal radiating fin, so that the heat exchange performance of the boiler is improved, and the heat loss is reduced. When the existing air preheater is used, as the smoke contains particulate matters, a large amount of dust is easily accumulated in the air preheater when the air preheater is used for a long time, the air preheater is blocked by the accumulated dust for a long time, and the working efficiency of the air preheater is reduced, so that the anti-blocking device for the smoke exhaust and temperature reduction reformation of the boiler is provided, and is used for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a boiler is discharged fume cooling and is reformed transform and prevent stifled device with air preheater to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a boiler is discharged fume cooling and is reformed transform with air preheater and prevent stifled device, including the heat-transfer pipe, the inside fixedly connected with fixed block of heat-transfer pipe, the outside of fixed block is rotated and is connected with the pivot, the outside symmetry fixedly connected with connecting plate of pivot, the inside of connecting plate is equipped with first stopper, the outside fixedly connected with doctor-bar of first stopper, the inside fixedly connected with filter screen of heat-transfer pipe, the outside that the inside of heat-transfer pipe just is located the filter screen is rotated and is connected with reciprocal lead screw, the outside threaded connection of reciprocal lead screw has the movable block, the clean frame of outside fixedly connected with of movable block.

As a preferred scheme of the utility model, the outside of heat-transfer pipe is equipped with servo motor, servo motor's output fixedly connected with worm, the outside fixedly connected with worm wheel of pivot, the worm wheel is connected with the worm meshing.

As a preferred scheme of the utility model, reciprocal lead screw passes through belt drive with the worm and is connected, the inside fixedly connected with gag lever post of heat-transfer pipe, gag lever post and movable block sliding connection.

As a preferred scheme of the utility model, the inside symmetry sliding connection of clean frame has the third stopper, the clean pole of outside fixedly connected with of third stopper, the inside of clean frame and the outside that is located the third stopper are equipped with the second spring.

As a preferred scheme of the utility model, the inside sliding connection of connecting plate has the fixture block, the inside sliding connection of connecting plate has the push rod, the one end fixedly connected with slider of push rod, the spout that uses with the slider cooperation is seted up to the inside of fixture block, the outside fixedly connected with second stopper of fixture block, the inside of connecting plate and the outside that is located the second stopper are equipped with first spring.

As an optimized scheme of the utility model, the outside of heat-transfer pipe is equipped with control panel, servo motor and control panel electric connection.

The utility model discloses the beneficial effect who reaches is: through the arrangement of the scraping blade, the filter screen and the cleaning frame, the scraping blade can scrape off dust on the inner wall in the heat transfer pipe, the dust is blown to the surface of the filter screen by utilizing the airflow at the air inlet of the heat transfer pipe, the dust is scraped off by using the cleaning frame, the air preheater can be cleaned in the working process, and the cleaning time is saved; through the arrangement of the sliding block, the clamping block and the push rod, the doctor blade can be quickly replaced when the doctor blade needs to be replaced, so that the doctor blade is more convenient to replace.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A;

FIG. 4 is a schematic view of the cleaning frame of the present invention;

fig. 5 is a schematic structural diagram of the middle connection plate of the present invention.

In the figure, 1, a heat transfer pipe; 2. a filter screen; 3. a servo motor; 4. scraping a blade; 5. a rotating shaft; 6. a connecting plate; 7. a reciprocating screw rod; 8. a limiting rod; 9. a moving block; 10. a worm gear; 11. a worm; 12. a first stopper; 13. cleaning the frame; 14. a first spring; 15. a second limiting block; 16. a slider; 17. a chute; 18. a push rod; 19. a clamping block; 20. a second spring; 21. a third limiting block; 22. cleaning the rod; 23. and fixing blocks.

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.

Please refer to fig. 1-5, the utility model provides a boiler is discharged fume and is cooled down and reform transform and use air preheater anti-blocking device, including heat-transfer pipe 1, the inside fixedly connected with fixed block 23 of heat-transfer pipe 1, the outside of fixed block 23 is rotated and is connected with pivot 5, the outside symmetry fixedly connected with connecting plate 6 of pivot 5, the inside of connecting plate 6 is equipped with first stopper 12, the outside fixedly connected with doctor-bar 4 of first stopper 12, pivot 5 rotates, it moves to drive doctor-bar 4 through connecting plate 6 and hang in heat-transfer pipe 1, the dust that makes heat-transfer pipe 1 inner wall hangs down, the inside fixedly connected with filter screen 2 of heat-transfer pipe 1, the air current through heat-transfer pipe 1 air inlet blows the dust to the surface of filter screen 2, the outside rotation that the inside of heat-transfer pipe 1 just is located filter screen 2 is connected with reciprocating screw 7, reciprocating screw 7's outside threaded connection has movable block 9, the clean frame 13 of outside fixedly connected with of movable block 9, movable block 9 reciprocating motion, use through the cooperation of clean frame 13 and clean pole 22, scrape the dust on the surface of filter screen 2 and collect.

Furthermore, a servo motor 3 is arranged on the outer side of the heat transfer pipe 1, a worm 11 is fixedly connected to the output end of the servo motor 3, a worm wheel 10 is fixedly connected to the outer side of the rotating shaft 5, the worm wheel 10 is meshed with the worm 11 to be connected, the servo motor 3 is started to drive the worm 11 to rotate, and the rotating shaft 5 is driven to rotate under the action of the worm 11 and the worm wheel 10.

Furthermore, the reciprocating screw rod 7 is connected with the worm 11 through belt transmission, the limiting rod 8 is fixedly connected inside the heat transfer pipe 1, the limiting rod 8 is connected with the moving block 9 in a sliding mode, the moving block 9 is limited conveniently, and the moving block 9 is prevented from deviating in the moving process.

Further, the inside symmetry sliding connection of clean frame 13 has third stopper 21, and the outside fixedly connected with of third stopper 21 has clean pole 22, and the inside of clean frame 13 and the outside that is located third stopper 21 are equipped with second spring 20, conveniently clean the surface of filter screen 2.

Further, the inside sliding connection of connecting plate 6 has fixture block 19, the inside sliding connection of connecting plate 6 has push rod 18, the one end fixedly connected with slider 16 of push rod 18, spout 17 that uses with the cooperation of slider 16 is seted up to the inside of fixture block 19, the outside fixedly connected with second stopper 15 of fixture block 19, the inside of connecting plate 6 and the outside that is located second stopper 15 are equipped with first spring 14, promote push rod 18, slider 16 drives fixture block 19 through extrusion spout 17 and removes, the pulling is scraped 4 and is made first stopper 12 shift out the inside of connecting plate 6, can change scraping 4.

Further, the outside of heat-transfer pipe 1 is equipped with control panel, servo motor 3 and control panel electric connection, convenient control the utility model discloses.

Use the utility model discloses the time, it prevents stifled to clean for air preheater, it drives worm 11 and rotates to start servo motor 3, it rotates to drive pivot 5 under worm 11 and worm wheel 10's effect, it moves to drive doctor-bar 4 hanging in heat-transfer pipe 1 through connecting plate 6, make the dust of heat-transfer pipe 1 inner wall hang down, the air current through heat-transfer pipe 1 air inlet blows the dust to the surface of filter screen 2, worm 11 passes through belt transmission with reciprocal lead screw 7 and is connected, drive movable block 9 reciprocating motion from this, use through the cooperation of clean frame 13 and clean pole 22, scrape down the dust on filter screen 2 surfaces and collect, when needing to change doctor-bar 4, promote push rod 18, slider 16 drives fixture block 19 through extrusion spout 17 and removes, stimulate doctor-bar 4 and make first stopper 12 shift out the inside of connecting plate 6, can change doctor-bar 4.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying any number of indicated technical features, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 boiler is discharged fume cooling and is reformed transform with air preheater and prevent stifled device, includes heat-transfer pipe (1), its characterized in that: the utility model discloses a heat transfer pipe, including heat-transfer pipe (1), the inside fixedly connected with fixed block (23), the outside of fixed block (23) is rotated and is connected with pivot (5), the outside symmetry fixedly connected with connecting plate (6) of pivot (5), the inside of connecting plate (6) is equipped with first stopper (12), the outside fixedly connected with doctor-bar (4) of first stopper (12), the inside fixedly connected with filter screen (2) of heat-transfer pipe (1), the outside of the inside of heat-transfer pipe (1) and being located filter screen (2) is rotated and is connected with reciprocal lead screw (7), the outside threaded connection of reciprocal lead screw (7) has movable block (9), the clean frame (13) of outside fixedly connected with of movable block (9).

2. The anti-blocking device of the air preheater for the boiler smoke exhaust cooling transformation according to claim 1, characterized in that: the heat transfer pipe is characterized in that a servo motor (3) is arranged on the outer side of the heat transfer pipe (1), a worm (11) is fixedly connected with the output end of the servo motor (3), a worm wheel (10) is fixedly connected with the outer side of the rotating shaft (5), and the worm wheel (10) is meshed with the worm (11) to be connected.

3. The anti-blocking device of the air preheater for boiler smoke exhaust cooling reformation of claim 1, which is characterized in that: the reciprocating screw rod (7) is in transmission connection with the worm (11) through a belt, a limiting rod (8) is fixedly connected to the inner portion of the heat transfer pipe (1), and the limiting rod (8) is in sliding connection with the moving block (9).

4. The anti-blocking device of the air preheater for boiler smoke exhaust cooling reformation of claim 1, which is characterized in that: the inside symmetry sliding connection of clean frame (13) has third stopper (21), the outside fixedly connected with of third stopper (21) cleans pole (22), the inside of clean frame (13) and the outside that is located third stopper (21) are equipped with second spring (20).

5. The anti-blocking device of the air preheater for the boiler smoke exhaust cooling transformation according to claim 1, characterized in that: the inside sliding connection of connecting plate (6) has fixture block (19), the inside sliding connection of connecting plate (6) has push rod (18), the one end fixedly connected with slider (16) of push rod (18), spout (17) that use with slider (16) cooperation are seted up to the inside of fixture block (19), outside fixedly connected with second stopper (15) of fixture block (19), the inside of connecting plate (6) and the outside that is located second stopper (15) are equipped with first spring (14).

6. The anti-blocking device of the air preheater for the boiler smoke exhaust cooling transformation according to claim 2, characterized in that: the outer side of the heat transfer pipe (1) is provided with a control panel, and the servo motor (3) is electrically connected with the control panel.