CN211146558U

CN211146558U - Parallel hybrid multistage air preheater

Info

Publication number: CN211146558U
Application number: CN201922366157.7U
Authority: CN
Inventors: 郭建涛
Original assignee: Panzhihua Sanneng New Energy Co ltd
Current assignee: Panzhihua Sanneng New Energy Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-07-31
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a parallel hybrid multi-stage air preheater, which comprises a box body, wherein a plurality of support legs are vertically welded on the bottom end of the inner wall of the box body, one end of the support leg, which is far away from the box body, is vertically and fixedly welded on the seat plate, two first air pipe boxes and a plurality of second air pipe boxes are arranged on the seat plate, the plurality of second air pipe boxes are stacked between the two first air pipe boxes, a support frame is vertically and fixedly welded on the inner wall of the box body corresponding to one side surface of the first air duct box and the second air duct box, one end of the support frame, which is far away from the box body, is in contact with the first air duct box and the second air duct box, the first air duct box and the second air duct box are both provided with three air ducts, crisscross a plurality of guide plates that are equipped with in the wind channel in a wind pipe case and No. two wind pipe cases, the utility model discloses novel structure, convenient to use is a novel and practical multistage air heater of parallel hybrid.

Description

Parallel hybrid multistage air preheater

Technical Field

The utility model relates to a boiler unit technical field specifically is a multistage air heater of parallelly connected hybrid.

Background

The air preheater is a heating surface for preheating air before entering the boiler to a certain temperature by smoke in a flue at the tail part of the boiler through internal radiating fins, and is equipment for improving the heat exchange performance of the boiler and reducing energy consumption. Air preheaters are generally classified into plate type, rotary type and tubular type. The working principle of the air preheater is described by taking a rotary type as an example. A large amount of unburned combustible substances may deposit on the heat transfer element and may possibly ignite in the air preheater, so the reason for ignition is analyzed, and the reason for ignition and the countermeasure are explained in detail; the brake drop analysis and the air leakage management are also introduced in detail.

Among the prior art, air heater exists with solitary individuality mostly, and its structure is comparatively the slam greatly, can't change its holding capacity temporarily along with the demand that uses when using, has a great deal of inconvenience, so the utility model provides a multistage air heater of parallelly connected hybrid solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multistage air heater of parallelly connected hybrid to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a plurality of support legs are perpendicularly welded on the bottom end of the inner wall of the box body, one ends, far away from the box body, of the support legs are perpendicularly and fixedly welded on a seat plate, two first air pipe boxes and a plurality of second air pipe boxes are arranged on the seat plate, the plurality of second air pipe boxes are stacked between the two first air pipe boxes, a support frame is perpendicularly and fixedly welded on the inner wall of the box body, corresponding to one side face of each of the first air pipe boxes and the second air pipe boxes, one end, far away from the box body, of the support frame is in contact with the first air pipe boxes and the second air pipe boxes, the first air pipe boxes and the second air pipe boxes are respectively provided with three air channels, a plurality of guide plates are arranged in the air channels in the first air pipe boxes and the second air pipe boxes in a staggered mode, and sealing rings are respectively and hermetically connected on the first air pipe boxes and the second air pipe boxes corresponding to two ends of the air channels of the first air, sealing ring sealing connection has the port connecting pipe, the port connecting pipe on the tuber pipe case and the port connecting pipe of No. two tuber pipe case both sides all are on a interface through the switching union coupling, a interface sets up on a dryer, the department is equipped with the inside groove in the middle of the dryer, the gomphosis has No. two dryers in the inside groove, be equipped with No. two interfaces on the side of No. two dryers, No. two interfaces are through the port connecting pipe sealing connection in the middle of switching pipe and No. two tuber pipe cases.

Preferably, a bin door is arranged on one side face, away from the magnet, of the box body corresponding to the first air pipe box and the second air pipe box, the bin door is connected with the box body through a hinge, and one side edge, away from the hinge, of the bin door is connected with the box body through a door lock.

Preferably, an iron plate is fixedly connected to one side face, close to the support frame, of the first air pipe box and the second air pipe box, a protective shell is fixedly mounted on the inner wall of the box body corresponding to the iron plate, and magnets are arranged in the protective shell.

Preferably, the first air duct is a cold air duct.

Preferably, the second air duct is a hot air duct.

Preferably, the box body and the bin gate are arranged in a sealing mode.

Compared with the prior art, the beneficial effects of the utility model are that: the two air duct boxes designed by the utility model are internally provided with three air ducts, the guide plates in the air ducts can guide the air flow to turn, so that the air flow can stay in the air duct boxes for a longer time, the air duct in the middle of the second air duct box is the hot air flow, the air channels around the heat exchanger are all cold air flow, when the air flow stays in the air channels for a long time, the heat exchange can be more thorough, the waste of heat is reduced, and the design that cold air surrounds hot air also reduces the amount of heat loss to the outside, further increases the utilization efficiency of heat, and the utility model discloses a quantity of hot good tuber pipe case can change according to user's in-service use demand, and the parallel design of a plurality of tuber pipe case has not only increased the amount of wind that can pass, has still increased the efficiency of heat exchange, the utility model discloses novel structure, convenient to use is a novel and practical parallel hybrid multistage air heater.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a schematic structural view of a first air duct of the present invention;

fig. 4 is a schematic structural view of the second air duct of the present invention.

In the figure: 1. a box body; 2. a support leg; 3. a seat plate; 4. a first air pipe box; 5. a second air hose box; 6. supporting the frame; 7. an iron plate; 8. protecting the shell; 9. a magnet; 10. a seal ring; 11. a port connection pipe; 12. a transfer tube; 13. a first air duct; 14. an interface I; 15. an inner tank; 16. a second air duct; 17. a second interface; 18. a hinge; 19. a bin gate; 20. a door lock; 21. a baffle.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a parallel hybrid multi-stage air preheater comprises a box body 1, wherein a plurality of support legs 2 are vertically welded on the bottom end of the inner wall of the box body 1, one ends of the support legs 2 far away from the box body 1 are vertically and fixedly welded on a seat plate 3, two first air pipe boxes 4 and a plurality of second air pipe boxes 5 are arranged on the seat plate 3, the plurality of second air pipe boxes 5 are stacked between the two first air pipe boxes 4, a support frame 6 is vertically and fixedly welded on the inner wall of the box body 1 corresponding to one side surfaces of the first air pipe boxes 4 and the second air pipe boxes 5, one end of the support frame 6 far away from the box body 1 is in contact with the first air pipe boxes 4 and the second air pipe boxes 5, three air channels are arranged on the first air pipe boxes 4 and the second air pipe boxes 5, a plurality of guide plates 21 are arranged in the air channels in the first air pipe boxes 4 and the second air pipe boxes 5 in a staggered manner, and sealing rings 10 are hermetically connected on the first air pipe boxes 4 and the second air pipe boxes 5 corresponding, 10 sealing ring sealing connection has port connecting pipe 11, port connecting pipe 11 on No. 4 tuber pipe casees and the port connecting pipe 11 of No. two tuber pipe casees 5 both sides all connect on a interface 14 through switching pipe 12, a interface 14 sets up on dryer 13, department is equipped with inside groove 15 in the middle of dryer 13, the gomphosis has dryer 16 No. two in inside groove 15, be equipped with No. two interfaces 17 on a side of dryer 16 No. two, No. two interfaces 17 are through switching pipe 12 and the port connecting pipe 11 sealing connection in the middle of No. two tuber pipe casees 5.

A bin gate 19 is arranged on one side face, away from the magnet 9, of the box body 1 corresponding to the first air pipe box 4 and the second air pipe box 5, the bin gate 19 is connected with the box body 1 through a hinge 18, and one side edge, away from the hinge 18, of the bin gate 19 is connected with the box body 1 through a door lock 20. An iron plate 7 is fixedly connected to one side face, close to the support frame 6, of the first air pipe box 4 and the second air pipe box 5, a protective shell 8 is fixedly installed on the inner wall, corresponding to the iron plate 7, of the box body 1, and a magnet 9 is arranged in the protective shell 8. The first air duct 13 is a cold air duct. The second air duct 16 is a hot air duct. The box body 1 and the bin gate 19 are arranged in a sealing way. So as to facilitate the use of the utility model.

When in use, the two air duct boxes designed by the utility model are internally provided with three air ducts, the guide plate 21 in the air duct can guide the air flow to turn, so that the air flow can stay in the air duct box for a longer time, the air duct in the middle of the second air duct box 5 is hot air flow, the air channels around the heat exchanger are all cold air flow, when the air flow stays in the air channels for a long time, the heat exchange can be more thorough, the waste of heat is reduced, and the design that cold air surrounds hot air also reduces the amount of heat loss to the outside, further increases the utilization efficiency of heat, and the utility model discloses a hot good tuber pipe case 5's quantity can change according to user's in-service use demand, and the parallel design of a plurality of tuber pipe case has not only increased the amount of wind that can pass, has still increased the efficiency of heat exchange, the utility model discloses novel structure, convenient to use is a novel and practical parallel hybrid multistage air heater.

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 only for convenience of description and simplicity of 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 a relative importance or implicitly indicating the number of technical features indicated, 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 expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; 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. A parallel hybrid multi-stage air preheater, comprising: the air guide plate comprises a box body (1), a plurality of support legs (2) are perpendicularly welded on the bottom end of the inner wall of the box body (1), one ends, far away from the box body (1), of the support legs (2) are perpendicularly and fixedly welded on a seat plate (3), two first air pipe boxes (4) and a plurality of second air pipe boxes (5) are arranged on the seat plate (3), the second air pipe boxes (5) are stacked between the two first air pipe boxes (4), a support frame (6) is perpendicularly and fixedly welded on the inner wall of the box body (1) corresponding to one side faces of the first air pipe boxes (4) and the second air pipe boxes (5), one end, far away from the box body (1), of the support frame (6) is in contact with the first air pipe boxes (4) and the second air pipe boxes (5), three air channels are arranged on the first air pipe boxes (4) and the second air pipe boxes (5), a plurality of guide plates (21) are arranged in the air channels in the first air pipe boxes (4) and the second air pipe boxes (5), the first air pipe box (4) and the second air pipe box (5) corresponding to the two ends of the air duct of the first air pipe box (4) and the second air pipe box (5) are hermetically connected with sealing rings (10), the sealing ring (10) is connected with a port connecting pipe (11) in a sealing way, the port connecting pipe (11) on the first wind pipe box (4) and the port connecting pipes (11) on two sides of the second wind pipe box (5) are connected on a first interface (14) through a transfer pipe (12), the first connector (14) is arranged on the first air duct (13), an inner groove (15) is arranged in the middle of the first air duct (13), a second air duct (16) is embedded in the inner groove (15), a plurality of second connectors (17) are arranged on one side surface of the second air duct (16), the second interface (17) is hermetically connected with a port connecting pipe (11) in the middle of the second air pipe box (5) through a transfer pipe (12).

2. A parallel hybrid multi-stage air preheater as set forth in claim 1, wherein: a bin gate (19) is arranged on one side face, away from the magnet (9), of the box body (1) corresponding to the first air pipe box (4) and the second air pipe box (5), the bin gate (19) is connected with the box body (1) through a hinge (18), and one side edge, away from the hinge (18), of the bin gate (19) is connected with the box body (1) through a door lock (20).

3. A parallel hybrid multi-stage air preheater as set forth in claim 1, wherein: a wind channel case (4) and No. two wind channel case (5) are close to fixedly connected with iron plate (7) on the side of propping frame (6), fixed mounting has protecting crust (8) on the inner wall of box (1) that iron plate (7) correspond, be equipped with magnet (9) in protecting crust (8).

4. A parallel hybrid multi-stage air preheater as set forth in claim 1, wherein: the first air duct (13) is a cold air duct.

5. A parallel hybrid multi-stage air preheater as set forth in claim 1, wherein: the second air duct (16) is a hot air duct.

6. A parallel hybrid multi-stage air preheater as set forth in claim 1, wherein: the box body (1) and the bin door (19) are arranged in a sealing mode.