CN216557200U

CN216557200U - Novel air preheater structure with uniform heat exchange

Info

Publication number: CN216557200U
Application number: CN202123101318.3U
Authority: CN
Inventors: 彭战卫; 郭斐; 丑宝戟; 吴文好; 李斌; 田明
Original assignee: Pucheng Clean Energy Chemical Co Ltd
Current assignee: Pucheng Clean Energy Chemical Co Ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-05-17
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a novel air preheater structure with uniform heat exchange, which relates to the technical field of air preheaters and comprises an air preheater body and an exhaust pipeline, wherein an installation opening is formed in the outer wall of the top of the exhaust pipeline, the inner walls of the two ends of the installation opening are fixedly connected with an installation door which covers the installation opening through a rotating mechanism, one side of the installation door is fixedly connected with the outer wall of the top of the exhaust pipeline through a fixing mechanism, the inner walls of the two ends of the installation opening are respectively provided with a placing groove which extends to the inner wall of the bottom of the exhaust pipeline, the inner wall of the placing groove is connected with a filter screen plate in a sliding manner, the inner wall of the bottom of the placing groove is fixedly connected with a plurality of uniformly distributed limiting springs, the tops of the limiting springs are fixedly connected with limiting plates which are in sliding fit with the placing grooves, and the two ends of the limiting plates are respectively contacted with the inner walls of the two ends of the placing grooves. The utility model can facilitate workers to disassemble and clean the filter screen plate, thereby realizing the effect of improving the heat efficiency.

Description

Novel air preheater structure with uniform heat exchange

Technical Field

The utility model relates to the technical field of air preheaters, in particular to a novel air preheater structure with uniform heat exchange.

Background

The air preheater is a heating surface for preheating air which enters a boiler to a certain temperature by smoke in a flue at the tail part of the boiler through internal radiating fins, is equipment for improving the heat exchange performance of the boiler and reducing energy consumption, is generally divided into three types of plate type, rotary type and tubular type, and is often in a novel air preheater structure with uniform heat exchange.

Among the prior art, the even air preheater structure of novel heat transfer generally includes the pre-heater body, and pre-heater body one side fixedly connected with exhaust duct, exhaust duct inner wall pass through screw fixedly connected with and filter the otter board, and it is even to realize the heat transfer through the pre-heater body, filters the flue gas dust in the pipeline of arranging the period through filtering the otter board.

However, when the filter screen plate is used, the amount of dust in smoke is large, the filter screen plate is easy to block, and due to the fact that the filter screen plate is fixedly connected with the exhaust pipeline through the screws, workers cannot conveniently detach and clean the filter screen plate, and the heat efficiency is easily reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a novel air preheater structure with uniform heat exchange. The advantages are that: the staff of being convenient for will filter the otter board and dismantle and wash, realize the effect of raising the thermal efficiency.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a novel air preheater structure that heat transfer is even, includes air preheater body and exhaust duct, the installing port has been seted up to exhaust duct's top outer wall, the both ends inner wall of installing port covers in the installation door of installing port through slewing mechanism fixedly connected with, fixed establishment and exhaust duct top outer wall fixed connection are passed through to one side of installation door, the standing groove that extends to exhaust duct bottom inner wall is all seted up to the both ends inner wall of installing port, standing groove inner wall sliding connection has the filter plate board, a plurality of evenly distributed's of standing groove bottom inner wall fixedly connected with spacing spring, spacing spring top fixedly connected with forms sliding fit's limiting plate with the standing groove, the both ends of limiting plate touch with the both ends inner wall of standing groove respectively, the top of limiting plate touches mutually with the top of filter plate board.

The utility model is further arranged in that the rotating mechanism comprises a rotating shaft, two ends of the rotating shaft are respectively connected with the inner walls of two ends of the mounting opening through bearings, and the top of the rotating shaft is fixedly connected with the mounting door.

The exhaust pipe is characterized in that the fixing mechanism comprises a fixing rod, one end of the fixing rod is fixedly connected with one side, away from the rotating shaft, of the mounting door, the outer wall of the top of the exhaust pipe is hinged with a fixing block, and one side of the fixing block is provided with a fixing hole in sliding fit with the fixing rod.

The utility model is further provided that a fixed spring is fixedly connected between the bottom of the fixed block and the outer wall of the top of the exhaust pipeline.

The utility model is further provided that the top of the installation door is fixedly connected with a pull ring.

The utility model is further arranged that two sides of the filter screen plate are fixedly connected with sealing gaskets which are made of rubber materials.

The utility model is further provided that the surfaces of the two sealing gaskets, which are far away from each other, are respectively provided with a plurality of fastening grooves which are uniformly distributed.

The utility model is further configured in that the sealing gasket is of a cavity structure.

The utility model has the beneficial effects that:

1. when the novel air preheater structure with uniform heat exchange is used for installing the filter screen plate, the limit of the installation door is released through the fixing mechanism, the installation door is lifted up through the rotating mechanism and is separated from the installation opening, then the filter screen plate is inserted into the placing groove to contact with the limiting plate at the bottom, finally the mounting door is covered and fixed by a fixing mechanism, when the installation door is fixed, the installation door can extrude the filter screen plate, the displacement of the filter screen plate can enable the limiting plate to displace in the placing groove, the movement of the limiting plate can extrude the limiting spring, the limiting spring can have elasticity, so that the filter screen plate is placed stably, when the filter screen plate is disassembled, the installation door is opened, and then the filter screen plate is taken out, replaced and cleaned, therefore, can be convenient for the staff will filter the otter board and dismantle and wash, realize the effect of raising the thermal efficiency.

2. This novel even air preheater structure of heat transfer when fixing the installation door, stir the dead lever and make the fixed block pass the fixed orifices can.

3. This novel even air preheater structure of heat transfer can further strengthen sealed deformability who fills up through the sealed pad that is the cavity structure, can avoid flue gas dust to leak from the edge of crossing filter plate.

Drawings

Fig. 1 is a schematic perspective structural view of a novel air preheater structure with uniform heat exchange provided by the utility model;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic structural view of a front cross-sectional view of a novel uniform heat exchange air preheater structure provided by the utility model;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

FIG. 5 is a schematic cross-sectional view of the structure of the novel air preheater with uniform heat exchange according to the present invention;

fig. 6 is an enlarged schematic view of the structure at C in fig. 5.

In the figure: 1. an air preheater body; 2. an exhaust duct; 3. an installation port; 4. installing a door; 5. a placement groove; 6. a filter screen plate; 7. a limiting spring; 8. a limiting plate; 9. a rotating shaft; 10. fixing the rod; 11. a fixed block; 12. a fixing hole; 13. fixing the spring; 14. a pull ring; 15. a gasket; 16. and (5) fastening the groove.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-6, a novel air preheater structure with uniform heat exchange, including air preheater body 1 and exhaust duct 2, installing port 3 has been seted up to exhaust duct 2's top outer wall, the both ends inner wall of installing port 3 covers in installing door 4 of installing port 3 through slewing mechanism fixedly connected with, fixed establishment and exhaust duct 2 top outer wall fixed connection are passed through to one side of installing door 4, standing groove 5 that extends to exhaust duct 2 bottom inner wall is all seted up to the both ends inner wall of installing port 3, standing groove 5 inner wall sliding connection has filter plate 6, standing groove 5 bottom inner wall fixedly connected with a plurality of evenly distributed's spacing spring 7, spacing spring 7 top fixedly connected with forms sliding fit's limiting plate 8 with standing groove 5, the both ends of limiting plate 8 touch with the both ends inner wall of standing groove 5 respectively, the top of limiting plate 8 touches mutually with the top of filter plate 6.

Specifically, slewing mechanism includes axis of rotation 9, and the both ends of axis of rotation 9 pass through the bearing with the both ends inner wall of installing port 3 respectively and are connected, and the top of axis of rotation 9 and installation door 4 fixed connection can make one side of installation door 4 take place to rotate in installing port 3 through axis of rotation 9, can be convenient for install opening of door 4.

Specifically, fixed establishment includes dead lever 10, and the one side fixed connection of axis of rotation 9 is kept away from to the one end of dead lever 10 and installation door 4, and exhaust duct 2's top outer wall articulates there is fixed block 11, and one side of fixed block 11 is seted up and is formed sliding fit's fixed orifices 12 with dead lever 10, and when fixing installation door 4, stir dead lever 10 and make fixed block 11 pass fixed orifices 12 can.

Specifically, fixedly connected with fixed spring 13 between the bottom of fixed block 11 and the top outer wall of exhaust duct 2 can give the downward pulling force of fixed block 11 through fixed spring 13, can make installation door 4 fixed stable.

Specifically, the top of the installation door 4 is fixedly connected with a pull ring 14, and a better acting point can be provided for a worker when the installation door 4 is opened through the pull ring 14, so that the worker can operate the installation door conveniently.

Specifically, the both sides of filtering screen plate 6 are all fixedly connected with sealed 15 that fills up, and sealed 15 that fills up is the rubber material, and sealed 15 that fills up through the rubber material can reduce the clearance between the inner wall of filtering

screen plate

6 and 5 both ends of standing groove, can avoid the flue gas dust to leak from the edge of filtering screen plate 6.

Specifically, two sealed tight troughs 16 that the one side all seted up a plurality of evenly distributed of keeping away from mutually of filling up 15 can increase the deformation range of sealed tight 15 through tight trough 16, can reduce the clearance between sealed tight 15 and the 5 inner walls of standing groove.

Specifically, sealed pad 15 is the cavity structure, and the deformation performance of sealed pad 15 can further be strengthened through sealed pad 15 that is the cavity structure, can avoid the flue gas dust to leak from the edge of filtering screen 6.

The working principle is as follows: when the filter screen plate 6 is installed, the limit of the installation door 4 is released through the fixing mechanism, the installation door 4 is lifted up through the rotating mechanism and is separated from the installation opening 3, then the filter screen plate 6 is inserted into the placing groove 5 to contact with the limiting plate 8 at the bottom, finally the installation door 4 is covered and the installation door 4 is fixed by a fixing mechanism, when the installation door 4 is fixed, the installation door 4 extrudes the filter screen 6, the displacement of the filter screen 6 can enable the limiting plate 8 to displace in the placing groove 5, the movement of the limiting plate 8 can extrude the limiting spring 7, the limiting spring 7 has elasticity, thereby promoting the stable placing of the filter screen 6, when the filter screen plate 6 is disassembled, the installation door 4 is opened, and then the filter screen plate 6 is taken out and replaced and cleaned, therefore, the filter screen plate 6 can be conveniently detached and cleaned by workers, and the effect of improving the heat efficiency is realized.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A novel air preheater structure with uniform heat exchange comprises an air preheater body (1) and an exhaust pipeline (2), and is characterized in that an installation opening (3) is formed in the outer wall of the top of the exhaust pipeline (2), the inner walls of the two ends of the installation opening (3) are fixedly connected with an installation door (4) covering the installation opening (3) through a rotating mechanism, one side of the installation door (4) is fixedly connected with the outer wall of the top of the exhaust pipeline (2) through a fixing mechanism, the inner walls of the two ends of the installation opening (3) are both provided with a placement groove (5) extending to the inner wall of the bottom of the exhaust pipeline (2), the inner wall of the placement groove (5) is slidably connected with a filter screen plate (6), the inner wall of the bottom of the placement groove (5) is fixedly connected with a plurality of uniformly distributed limiting springs (7), the top of the limiting springs (7) is fixedly connected with a limiting plate (8) in sliding fit with the placement groove (5), the two ends of the limiting plate (8) are respectively in contact with the inner walls of the two ends of the placing groove (5), and the top of the limiting plate (8) is in contact with the top of the filter screen plate (6).

2. The novel air preheater structure with uniform heat exchange is characterized in that the rotating mechanism comprises a rotating shaft (9), two ends of the rotating shaft (9) are respectively connected with inner walls of two ends of the mounting opening (3) through bearings, and the top of the rotating shaft (9) is fixedly connected with the mounting door (4).

3. The novel air preheater structure with uniform heat exchange as claimed in claim 1, wherein the fixing mechanism comprises a fixing rod (10), one end of the fixing rod (10) is fixedly connected with one side of the mounting door (4) away from the rotating shaft (9), the outer wall of the top of the exhaust pipeline (2) is hinged with a fixing block (11), and one side of the fixing block (11) is provided with a fixing hole (12) which forms a sliding fit with the fixing rod (10).

4. A novel air preheater structure with uniform heat exchange as claimed in claim 3, wherein a fixing spring (13) is fixedly connected between the bottom of the fixing block (11) and the outer wall of the top of the exhaust duct (2).

5. The novel air preheater structure with uniform heat exchange is characterized in that a pull ring (14) is fixedly connected to the top of the installation door (4).

6. The novel air preheater structure with uniform heat exchange as claimed in claim 1, wherein the filter screen plate (6) is fixedly connected with sealing gaskets (15) on both sides, and the sealing gaskets (15) are made of rubber.

7. A novel air preheater structure with uniform heat exchange as claimed in claim 6, wherein the far sides of the two sealing gaskets (15) are respectively provided with a plurality of fastening grooves (16) which are uniformly distributed.

8. The novel air preheater structure with uniform heat exchange as claimed in claim 6, wherein the sealing gasket (15) is in a cavity structure.