CN219243623U

CN219243623U - Plate-type air preheater applied to chemical industry

Info

Publication number: CN219243623U
Application number: CN202222981939.3U
Authority: CN
Inventors: 陈武高; 董悦
Original assignee: Shanghai Hanxing Chemical Technology Co ltd
Current assignee: Shanghai Hanxing Chemical Technology Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-06-23
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses a plate-type air preheater applied to the chemical industry, and particularly relates to the chemical industry field, comprising a preheating pipe, wherein a mounting plate is fixedly arranged on one side of the preheating pipe, a storage battery is fixedly arranged at the top of the mounting plate, an electromagnetic heating pipe is arranged at the top of the storage battery, the electromagnetic heating pipe and the preheating pipe are fixedly arranged, a gasket is fixedly arranged on one side of the electromagnetic heating pipe, a supporting frame is fixedly arranged in the preheating pipe, a rotating rod is rotatably connected to one side of the supporting frame, a blowing fan blade is fixedly arranged on the inner wall of the rotating rod, a rotating fan blade is fixedly arranged on the inner wall of the rotating rod, and a friction plate is rotatably connected to one side of the rotating fan blade. The smoke drives the rotating rod to start to rotate, so that the rotating rod can drive the rotating fan blade to start to rotate, and the friction plate can continuously rub the electromagnetic heating pipe.

Description

Plate-type air preheater applied to chemical industry

Technical Field

The utility model relates to the technical field of chemical industry, in particular to a plate-type air preheater applied to the chemical industry.

Background

The flue gas in the tail flue of the boiler is utilized to preheat the air before entering the boiler to a heating surface with a certain temperature through the inner cooling fins, so that the heat exchange performance of the boiler is improved, and the energy consumption is reduced.

Most of the prior heating furnace plate type air preheaters adopt flat plates, wave point plates or turbulence plates, and the heat transfer coefficients are not too high, so that the preheating effect is poor, and therefore, a person skilled in the art provides a plate type air preheater applied to the chemical industry so as to solve the problems in the background art.

Disclosure of Invention

In order to overcome the defects in the prior art, the embodiment of the utility model provides a plate type air preheater applied to the chemical industry, and a rotating rod is driven to rotate by chemical air, so that a friction plate can continuously preheat air of an electromagnetic heating pipe to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a be applied to board-like air heater of chemical industry, includes the preheating pipe, the one end fixed mounting of preheating pipe has the air intake, the other end fixed mounting of preheating pipe has the air outlet, one side fixed mounting of preheating pipe has the mounting panel, the top fixed mounting of mounting panel has the storage battery, the top of storage battery is provided with electromagnetic heating pipe, electromagnetic heating pipe is fixed mounting setting with the preheating pipe, one side fixed mounting of electromagnetic heating pipe has the gasket, the inside fixed mounting of preheating pipe has the support frame, one side rotation of support frame is connected with the bull stick, the inner wall fixed mounting of bull stick has the fan blade that blows, the inner wall fixed mounting of bull stick has the rotary fan blade, one side rotation of rotary fan blade is connected with the friction plate.

Through adopting above-mentioned technical scheme, start electromagnetic heating pipe, when the flue gas enters into preheating pipe inside, the flue gas can drive the flabellum of blowing and begin to rotate, the bull stick can drive rotatory flabellum and begin to rotate, thereby make rotatory flabellum can begin to rotate, make the friction plate can constantly rub electromagnetic heating pipe, the friction plate can be with the heat transmission that the friction produced to rotatory flabellum on, rotatory flabellum can be with heat transmission to the flue gas, when the flue gas is when preheating pipe, rotatory flabellum can be with the velocity of flow change of flue gas spiral, make the transmission rate of flue gas become faster.

In a preferred embodiment, the inner wall of the rotating rod is fixedly provided with a mounting column, the inner wall of the mounting column is fixedly provided with a scraping rod, and the scraping rod is arranged on one side of the electromagnetic heating pipe.

Through adopting above-mentioned technical scheme, at bull stick fast turn-round in-process, the erection column can be incessantly scrape electromagnetic heating pipe to the drive scraping rod for scrape debris on the electromagnetic heating pipe down, make can not hinder electromagnetic heating pipe's work efficiency.

In a preferred embodiment, a notch is formed in the bottom of the preheating pipe, a drain hole is fixedly arranged in the notch of the preheating pipe, and a switch valve is arranged on one side of the drain hole.

By adopting the technical scheme, the water vapor can be generated when the preheating pipe starts to work, and can be cooled to form water to fall into the preheating pipe when the preheating pipe is not in work, and the deposited water can be discharged out of the preheating pipe through the water discharge hole by the switch valve.

In a preferred embodiment, a controller is fixedly arranged at the top of the mounting plate, and a rotary switch is rotatably connected to one side of the controller.

Through adopting above-mentioned technical scheme, the staff rotates the rotary switch of controller one side and controls electromagnetic heating pipe's work efficiency, and then can control the inside temperature of preheating pipe, can not lead to the preheating pipe explosion because of the high temperature when heating flue gas to the assurance.

In a preferred embodiment, the friction plate is semicircular in shape, and is disposed at one side of the electromagnetic heating pipe.

By adopting the technical scheme, the semicircular friction plate is adopted, so that the friction plate cannot rotate along the line of the electromagnetic heating pipe all the time.

In a preferred embodiment, the angle between the rotary blade and the rotary rod is 10 ° to 25 °.

By adopting the technical scheme, the flue gas can flow in a spiral mode under the guidance of the rotating fan blades when passing through the rotating fan blades.

In a preferred embodiment, two blowing fan blades are provided, and the two blowing fan blades are symmetrically arranged with respect to a vertical center line of the rotating rod.

Through adopting above-mentioned technical scheme, the flabellum of blowing has certain radian, drives the flabellum of blowing and rotates when can the flue gas go on the preheating pipe, still can drive the flabellum of blowing and rotate when the flue gas goes out the preheating pipe for the bull stick can be ceaselessly rotated.

The utility model has the technical effects and advantages that:

1. the plate-type air preheater applied to the chemical industry drives the blowing fan blades to rotate through the flue gas, so that the rotating rod drives the rotating fan blades to drive the friction plate to start rotating, the friction plate can continuously rub the electromagnetic heating pipe, and the flue gas preheating effect is better;

2. this a be applied to board-like air heater of chemical industry, bull stick can drive the erection column and begin to rotate for scrape the pole and can stop scraping electromagnetic heating pipe, thereby scrape the dust of electromagnetic heating pipe adhesion down, make can not influence electromagnetic heating pipe's work efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a partial cross-sectional view of the structure of the present utility model;

FIG. 3 is an enlarged view of the portion A of FIG. 2 in accordance with the present utility model;

fig. 4 is an enlarged view of the structure of the portion B in fig. 2 according to the present utility model.

The reference numerals are: 1. a preheating tube; 2. an air inlet; 3. an air outlet; 4. a mounting plate; 5. a battery; 6. an electromagnetic heating tube; 7. a gasket; 8. a support frame; 9. a rotating rod; 10. blowing fan blades; 11. rotating the fan blades; 12. a friction plate; 13. a mounting column; 14. a scraping rod; 15. a drain hole; 16. opening and closing a valve; 17. a controller; 18. and (3) rotating the switch.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to the accompanying drawings 1-4 of the specification, the plate-type air preheater applied to the chemical industry in one embodiment of the utility model comprises a preheating pipe 1, wherein an air inlet 2 is fixedly arranged at one end of the preheating pipe 1, an air outlet 3 is fixedly arranged at the other end of the preheating pipe 1, a mounting plate 4 is fixedly arranged at one side of the preheating pipe 1, a storage battery 5 is fixedly arranged at the top of the mounting plate 4, an electromagnetic heating pipe 6 is arranged at the top of the storage battery 5, the electromagnetic heating pipe 6 and the preheating pipe 1 are fixedly arranged, a gasket 7 is fixedly arranged at one side of the electromagnetic heating pipe 6, a supporting frame 8 is fixedly arranged in the preheating pipe 1, a rotating rod 9 is rotatably connected at one side of the supporting frame 8, a blowing fan blade 10 is fixedly arranged on the inner wall of the rotating rod 9, a rotating fan blade 11 is fixedly arranged on the inner wall of the rotating rod 9, a friction plate 12 is rotatably connected at one side of the rotating fan blade 11, the top of the mounting plate 4 is fixedly provided with a controller 17, one side of the controller 17 is rotationally connected with a rotary switch 18, a worker rotates the rotary switch 18 on one side of the controller 17 to control the working efficiency of the electromagnetic heating pipe 6, and then the temperature inside the preheating pipe 1 can be controlled, so that the explosion of the preheating pipe 1 caused by the overhigh temperature can be avoided when the flue gas is heated, the electromagnetic heating pipe 6 is started, the flue gas can enter the preheating pipe 1 through the air inlet 2, the flue gas can drive the blowing fan blade 10 to start rotating, the rotating rod 9 can drive the rotating fan blade 11 to start rotating, the rotating fan blade 11 can start rotating, the friction plate 12 can continuously rub the backing plate, the friction plate 12 can transmit heat generated by friction to the rotating fan blade 11, the rotating fan blade 11 can transmit the heat to the flue gas, when the flue gas passes through the preheating pipe 1, the included angle between the rotary fan blade 11 and the rotary rod 9 is 10-25 degrees, so that the flue gas can flow in a spiral mode under the guidance of the rotary fan blade 11 when passing through the rotary fan blade 11, the transmission speed of the flue gas is faster, the friction plate 12 is semicircular, the friction plate 12 is arranged on one side of the electromagnetic heating pipe 6, and the semicircular friction plate 12 is adopted, so that the friction plate 12 cannot rotate along the line of the electromagnetic heating pipe 6 all the time.

It should be noted that, the staff starts the electromagnetic heating pipe 6 when first through the rotary switch 18 of rotating the controller 17 one side for the electromagnetic heating pipe 6 can heat gasket 7, when flue gas thereby air intake 2 enters preheating pipe 1, the flue gas can drive the flabellum 10 and begin to rotate, make bull stick 9 can follow flabellum 10 and begin to rotate, rotatory flabellum 11 of bull stick 9 one side is followed and is rotated, thereby make friction plate 12 can be incessantly rub gasket 7, the heat that friction plate 12 produced in the friction process can be on the transmission belt rotatory flabellum 11, thereby rotatory flabellum 11 can transmit the heat to the flue gas, when the flue gas is through rotatory flabellum 11, the contained angle of rotatory flabellum 11 can change the flow state of flue gas into spiral, make the velocity of flow of flue gas become faster, then can be through air outlet 3 with preheat completion flue gas and carry away.

Referring to fig. 3 of the specification, a mounting column 13 is fixedly mounted on the inner wall of the rotating rod 9, a scraping rod 14 is fixedly mounted on the inner wall of the mounting column 13, the scraping rod 14 is arranged on one side of the electromagnetic heating pipe 6, and in the process of rapid rotation of the rotating rod 9, the mounting column 13 scrapes the electromagnetic heating pipe 6 continuously by driving the scraping rod 14, so that sundries on the electromagnetic heating pipe 6 are scraped, and the working efficiency of the electromagnetic heating pipe 6 is not hindered.

It should be noted that, in the process that the rotating rod 9 starts to rotate, the rotating rod 9 drives the mounting post 13 to start rotating, so that the scraping rod 14 fixedly mounted on one side of the mounting post 13 starts to rotate, and the scraping rod 14 can continuously scrape the electromagnetic heating pipe 6, so that dust adhered to the electromagnetic heating pipe 6 can be scraped off, and the working efficiency of the electromagnetic heating pipe 6 can not be affected.

Referring to the description and shown in the figure 2, a notch is formed in the bottom of the preheating pipe 1, a drain hole 15 is fixedly arranged in the notch of the preheating pipe 1, a switch valve 16 is arranged on one side of the drain hole 15, water vapor is generated when the preheating pipe 1 starts to work, water vapor can be cooled and falls into the preheating pipe 1 when the preheating pipe 1 is not in work, workers can discharge deposited water out of the preheating pipe 1 through the drain hole 15 through the switch valve 16, two blowing fan blades 10 are arranged in number, the two blowing fan blades 10 are symmetrically arranged with respect to the vertical center line of the rotating rod 9, the blowing fan blades 10 have a certain radian, the blowing fan blades 10 are driven to rotate when flue gas reaches the preheating pipe 1, and the blowing fan blades 10 are driven to rotate when the flue gas exits the preheating pipe 1, so that the rotating rod 9 can continuously rotate.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. Plate-type air preheater for chemical industry, including preheating pipe (1), its characterized in that: one end fixed mounting of preheating pipe (1) has air intake (2), the other end fixed mounting of preheating pipe (1) has air outlet (3), one side fixed mounting of preheating pipe (1) has mounting panel (4), the top fixed mounting of mounting panel (4) has storage battery (5), the top of storage battery (5) is provided with electromagnetic heating pipe (6), electromagnetic heating pipe (6) are fixed mounting setting with preheating pipe (1), one side fixed mounting of electromagnetic heating pipe (6) has gasket (7), the inside fixed mounting of preheating pipe (1) has support frame (8), one side rotation of support frame (8) is connected with bull stick (9), the inner wall fixed mounting of bull stick (9) has blowing flabellum (10), the inner wall fixed mounting of bull stick (9) has rotary fan leaf (11), one side rotation of rotary fan leaf (11) is connected with friction plate (12).

2. A plate air preheater for chemical industry according to claim 1, wherein: the inner wall fixed mounting of bull stick (9) has erection column (13), the inner wall fixed mounting of erection column (13) has scraper bar (14), scraper bar (14) set up in one side of electromagnetic heating pipe (6).

3. A plate air preheater for chemical industry according to claim 2, wherein: the bottom of the preheating pipe (1) is provided with a notch, a drain hole (15) is fixedly arranged in the notch of the preheating pipe (1), and one side of the drain hole (15) is provided with a switch valve (16).

4. A plate air preheater for chemical industry according to claim 3, wherein: the top of mounting panel (4) is fixed mounting has controller (17), one side of controller (17) is connected with rotary switch (18) in a rotating way.

5. A plate air preheater for chemical industry according to claim 1, wherein: the friction plate (12) is semicircular in shape, and the friction plate (12) is arranged on one side of the electromagnetic heating pipe (6).

6. A plate air preheater for chemical industry as set forth in claim 5, wherein: the included angle between the rotary fan blade (11) and the rotary rod (9) is 10-25 degrees.

7. A plate air preheater for chemical industry according to claim 1, wherein: the number of the blowing fan blades (10) is two, and the two blowing fan blades (10) are symmetrically arranged with respect to the vertical center line of the rotating rod (9) by taking the symmetry axis as a symmetry axis.