CN211739153U

CN211739153U - Energy-saving steam air preheater

Info

Publication number: CN211739153U
Application number: CN201922364218.6U
Authority: CN
Inventors: 杨建�; 吴博
Original assignee: Hang Jin Qi Yi Jia Environmental Management Co ltd
Current assignee: Hang Jin Qi Yi Jia Environmental Management Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-10-23
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses an energy-saving steam air heater, including the air heater main part, air heater main part both sides are inside to be seted up respectively into the vapour and to divide the flow distribution room and go out the vapour and collect the room, and run through at air heater main part middle part and seted up and dodge the through-hole, dodge through-hole internally mounted and have the fin main part, and fin main part internal connection has preheating pipe main part, preheating pipe main part is the coiled pipe structure, and just preheating pipe main part both ends stretch into respectively into the vapour and divide the flow distribution room and go out the vapour and collect indoor portion, fin main part and preheating pipe main part all are equipped with a plurality ofly, the vapour divides flow distribution room externally mounted to have the steam admission pipe, it collects. This energy-saving steam air preheater can reduce the loss of steam conduit and a plurality of fin junction to improve the utilization ratio of steam, increase energy-conserving effect.

Description

Energy-saving steam air preheater

Technical Field

The utility model relates to an air heater technical field specifically is energy-saving steam air heater.

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 rotary type is divided into a fan cover rotary type and a heating surface rotary type. The utility boiler more commonly adopts a heating surface rotary preheater. The application in the boiler is generally of a two-bin, three-bin and four-bin type, wherein the four-bin is more commonly used in the circulating fluidized bed boiler. The steam air preheater is an air preheater using steam as energy.

A plurality of fins of current steam air preheater need link to each other with steam conduit alone, and steam loss is great, has the energy-conserving effect and waits to improve the condition.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy-saving steam air heater to the fin of the energy-saving steam air heater who proposes in solving above-mentioned background art needs the problem of the continuous loss steam with steam conduit alone.

In order to achieve the above object, the utility model provides a following technical scheme: energy-saving steam air heater, including the air heater main part, air heater main part both sides are inside to be seted up respectively into vapour flow distribution room and play vapour and collect the room, and air heater main part middle part runs through and has seted up and dodge the through-hole, dodge through-hole internally mounted have the fin main part, and fin main part internal connection has preheating pipe main part, preheating pipe main part is the coiled pipe structure, and just preheating pipe main part both ends stretch into respectively into vapour flow distribution room and play vapour and collect indoor portion inside, fin main part and preheating pipe main part all are equipped with a plurality ofly, vapour flow distribution room externally mounted has the steam admission pipe, it collects outdoor portion and is connected with the steam exit pipe to go out the vapour.

Preferably, the supporting seats are installed on two sides of the bottom end of the main body of the air preheater, and the positioning through holes are formed in two sides of each supporting seat.

Preferably, the steam inlet shunting chamber and the steam outlet collecting chamber are internally provided with at least 2 flow limiting baffles.

Preferably, the flow-limiting baffles are of an upward inclined structure, and adjacent flow-limiting baffles are distributed in a staggered manner.

Preferably, the end heads at two sides of the preheating pipeline main body, the steam inlet pipe and the steam outlet pipe are respectively positioned on the upper end and the lower end of the steam inlet shunting chamber and the steam outlet collecting chamber.

Preferably, the fin main body and the preheating pipeline main body are provided with at least 3 groups, and the distance between each group of fin main body and the preheating pipeline main body is larger than 2 cm.

Compared with the prior art, the beneficial effects of the utility model are that: this energy-saving steam air preheater can reduce the loss of steam conduit and a plurality of fin junction to improve the utilization ratio of steam, increase energy-conserving effect. This energy-saving steam air heater's steam admission pipe can be connected with the preheating pipe main part of a plurality of fin main parts simultaneously through admission flow distribution room to reduce the loss of steam, make steam carry out the heat exchange in order to heat the air in preheating pipe main part inside.

Drawings

FIG. 1 is a schematic view of the energy-saving steam air preheater of the present invention;

FIG. 2 is a schematic diagram of the energy-saving steam air preheater according to the present invention;

fig. 3 is the utility model discloses energy-saving steam air preheater's the main view structure schematic diagram of dodging the through-hole.

In the figure: 1. the device comprises an air preheater main body, 2 a flow-limiting baffle, 3 a steam inlet pipe, 4 a steam inlet shunting chamber, 5 a preheating pipeline main body, 6 a fin main body, 7 a avoiding through hole, 8 a steam outlet pipe, 9 a steam outlet collecting chamber, 10 a supporting seat, 11 and a positioning through hole.

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. 1-3, the present invention provides a technical solution: an energy-saving steam air preheater comprises an air preheater main body 1, wherein an inlet steam shunting chamber 4 and an outlet steam collecting chamber 9 are respectively arranged inside two sides of the air preheater main body 1, an avoiding through hole 7 is arranged in the middle of the air preheater main body 1 in a penetrating manner, supporting seats 10 are respectively arranged on two sides of the bottom end of the air preheater main body 1, and positioning through holes 11 are respectively arranged inside two sides of each supporting seat 10, the structure ensures that the air preheater main body 1 can be fixedly installed through the positioning through holes 11 in the supporting seats 10, flow-limiting baffles 2 are respectively arranged inside the inlet steam shunting chamber 4 and the outlet steam collecting chamber 9, and at least 2 flow-limiting baffles 2 on each side are arranged on each side, the structure ensures that steam in the inlet steam shunting chamber 4 and the outlet steam collecting chamber 9 can touch the flow-limiting baffles 2 to be guided, the flow-limiting baffles 2 are of an upward inclined structure, and adjacent flow-limiting baffles 2 are distributed in a, so as to increase the circulation time of steam in the steam inlet shunting chamber 4 and the steam outlet collecting chamber 9, improve the utilization of heat, save more energy, avoid the through hole 7 internally mounted with the fin body 6, and the fin body 6 is internally connected with the preheating pipe body 5, the end heads of both sides of the preheating pipe body 5 and the steam inlet pipe 3 and the steam outlet pipe 8 are respectively located on the upper and lower ends of the steam inlet shunting chamber 4 and the steam outlet collecting chamber 9, this structure makes the end heads of both sides of the preheating pipe body 5 and the steam inlet pipe 3 and the steam outlet pipe 8 have larger height difference, which is convenient for the steam to disperse, so as to enter different preheating pipe bodies 5, the fin body 6 and the preheating pipe body 5 are both provided with at least 3 groups, and the distance between each group of fin body 6 and the preheating pipe body 5 is greater than 2cm, this structure makes the air entering between each group of fin body 6 and the preheating pipe body 5 which are separated can be heated, preheating pipe main part 5 is the coiled pipe structure, and preheating pipe main part 5 both ends stretch into respectively that the admission flow distribution room 4 collects the room 9 inside with play vapour, fin main part 6 and preheating pipe main part 5 all are equipped with 3 at least, 4 externally mounted in the admission flow distribution room have

steam admission pipe

3, 9 externally connected in the room 8 has steam outlet pipe 8 is collected to play vapour, this structure makes steam admission pipe 3 can be connected with a plurality of preheating pipe main parts 5 and fin main part 6 through admission flow distribution room 4, need not to link to each other alone, can effectively reduce the loss of steam at the junction, improve the utilization ratio of steam, it is more energy-conserving.

The working principle is as follows: when the energy-saving steam air preheater is used, firstly, a user can place the air preheater main body 1 at a proper position through the supporting seat 10, then screws are inserted into the positioning through holes 11 to fix the position of the supporting seat 10, then the user can release steam through the steam inlet pipe 3 to enter the steam inlet shunting chamber 4, then the steam is shunted and folded back under the obstruction of the flow limiting baffle plate 2 to enter the preheating pipeline main bodies 5 of the multiple fin main bodies 6, then heat exchange is carried out in the preheating pipeline main bodies 5 to preheat the air in the avoiding through holes 7, then the steam flowing out of the preheating pipeline main bodies 5 can enter the lower part of the inside of the steam outlet collecting chamber 9, then the steam is folded back through the flow limiting baffle plate 2 to enter the steam outlet pipe 8 upwards to be discharged, and therefore a series of work is completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Energy-saving steam air heater, including air heater main part (1), its characterized in that: air heater main part (1) both sides are inside to have seted up admission flow distribution room (4) respectively and to go out vapour and collect room (9), and air heater main part (1) middle part runs through and has seted up dodge through-hole (7), dodge through-hole (7) internally mounted have fin main part (6), and fin main part (6) internal connection has preheating pipe main part (5), preheating pipe main part (5) are the coiled pipe structure, and preheating pipe main part (5) both ends stretch into admission flow distribution room (4) respectively and go out vapour and collect room (9) inside, fin main part (6) and preheating pipe main part (5) all are equipped with a plurality ofly, admission flow distribution room (4) externally mounted has steam inlet pipe (3), it collects room (9) external connection has steam exit tube (8) to go out vapour.

2. An economizer steam air preheater as claimed in claim 1, wherein: supporting seats (10) are installed on two sides of the bottom end of the air preheater main body (1), and positioning through holes (11) are formed in two sides of each supporting seat (10).

3. An economizer steam air preheater as claimed in claim 1, wherein: the steam inlet shunting chamber (4) and the steam outlet collecting chamber (9) are internally provided with at least 2 flow-limiting baffles (2), and the number of the flow-limiting baffles (2) on each side is at least 2.

4. An economizer steam air preheater as claimed in claim 3, wherein: the flow limiting baffles (2) are of an upward inclined structure, and the adjacent flow limiting baffles (2) are distributed in a staggered mode.

5. An economizer steam air preheater as claimed in claim 1, wherein: the two side ends of the preheating pipeline main body (5) and the steam inlet pipe (3) and the steam outlet pipe (8) are respectively positioned above the upper end and the lower end of the steam inlet shunting chamber (4) and the steam outlet collecting chamber (9).

6. An economizer steam air preheater as claimed in claim 1, wherein: the fin main body (6) and the preheating pipeline main body (5) are provided with at least 3 groups, and the distance between each group of fin main body (6) and the preheating pipeline main body (5) is larger than 2 cm.