CN219607770U

CN219607770U - Novel economizer pipe box

Info

Publication number: CN219607770U
Application number: CN202223588635.7U
Authority: CN
Inventors: 陆亚清; 杭苏辰; 许杰
Original assignee: Wuxi Huadong Xifeng Boiler Technology Co ltd
Current assignee: Wuxi Huadong Xifeng Boiler Technology Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-08-29
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses a novel economizer pipe box, which relates to the technical field of boiler accessories and comprises a box body, wherein two partition plates are fixedly connected inside the box body, the two partition plates are of L-shaped structures and are distributed in a central symmetry mode, a plurality of flow guide pipes are arranged inside the box body, the flow guide pipes are distributed at equal intervals, and the flow guide pipes are of a serpentine structure. According to the utility model, the box body is arranged, the box body can be connected into the smoke exhaust pipeline of the boiler, the partition board and the flow guide pipe are arranged in the box body, the partition board is of an L-shaped structure, the two partition boards can divide the inner part of the box body into the cavities of the snakelike structure, so that the residence time of smoke in the box body is improved, and compared with a light pipe type pipe row, the flow guide pipe of the snakelike structure is matched with the partition board, so that the recovery of waste heat in the smoke of the boiler can be better realized, and the coal saving effect of the device can be improved.

Description

Novel economizer pipe box

Technical Field

The utility model relates to the technical field of boiler accessories, in particular to a novel economizer tube box.

Background

The economizer is a device for performing heat exchange by utilizing heat of flue gas at the tail of a boiler and water supply of a boiler system, the water supply of the boiler system flows through the economizer before entering a steam drum, and heat exchange is performed by utilizing a larger temperature difference between the water supply and the flue gas, so that the flue gas is fully cooled, the flue gas temperature is reduced, the boiler efficiency is improved, fuel is saved, the economizer is originally sourced from a coal-fired boiler, and similar devices in other fuel boilers are also commonly called as the economizer.

The traditional economizer adopts a light pipe type pipe row combination, the contact time of the heat exchange pipe and the boiler flue gas is shorter, the heat is not exchanged yet, the flue gas is discharged, the waste heat recovery effect on the boiler flue gas is limited, and the coal saving effect is limited. Therefore, it is necessary to invent a new economizer tube to solve the above problems.

Disclosure of Invention

The utility model aims to provide a novel economizer pipe box for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel economizer pipe case, includes the box, two baffles of inside fixedly connected with of box, two the baffle all sets up to "L" shape structure, and two baffles are central symmetry and distribute, the inside of box is provided with a plurality of honeycomb ducts, a plurality of the honeycomb duct is equidistant distribution, and the honeycomb duct sets up to snakelike structure, and is a plurality of be provided with the connecting plate between the honeycomb duct, a plurality of through-holes have been seted up in the one end of connecting plate run through, honeycomb duct and through-hole through-connection, a plurality of bar grooves have been run through to the upper surface of connecting plate, bar groove and through-hole are staggered distribution, the inside fixedly connected with heat-conducting plate of bar groove, the middle part fixedly connected with a plurality of heat-conducting fins of heat-conducting plate, and a plurality of heat-conducting fins are equidistant distribution.

Preferably, the heat conducting fins are arranged in an egg roll-shaped structure, and two adjacent heat conducting fins are distributed in a central symmetry mode.

Preferably, the outer side wall of the heat conducting fin is provided with a plurality of heat conducting holes in a penetrating mode, and the heat conducting holes are arranged in a circular structure.

Preferably, the two ends of the flow guide pipe are fixedly connected with connecting pipes, the middle part of the upper surface of the box body is fixedly connected with a water tank, and one end of each connecting pipe is positioned in the water tank.

Preferably, the middle part of the lower surface of the box body is fixedly connected with a circulating pump, and the input end of the circulating pump is fixedly connected with the connecting pipe.

Preferably, the output end of the circulating pump is fixedly connected with a return pipe, and one end of the return pipe is positioned in the water tank.

Preferably, the middle parts of the two ends of the box body are fixedly connected with air ducts, and one end of each air duct is fixedly connected with a connecting flange.

The utility model has the technical effects and advantages that:

1. according to the utility model, the box body is arranged, the box body can be connected into the smoke exhaust pipeline of the boiler, the partition board and the flow guide pipe are arranged in the box body, the partition board is of an L-shaped structure, the two partition boards can divide the inner part of the box body into the cavities of the snake-shaped structure, so that the residence time of smoke in the box body is improved, and compared with a light pipe type pipe row, the flow guide pipe of the snake-shaped structure is matched with the partition board, so that the recovery of waste heat in the smoke of the boiler can be better realized, and the coal saving effect of the device can be improved;

2. according to the utility model, the connecting plate is arranged, the plurality of flow guide pipes can be connected, the heat conducting plate is arranged on the inner side of the connecting plate, the plurality of heat conducting fins with the egg-shaped structures are arranged on the heat conducting plate, and the heat conducting fins are matched with the heat conducting plate, so that the contact area between the flow guide pipes and the smoke can be improved, the heat exchange effect of the heat conducting fins is improved, and the contact area between the heat conducting fins and the smoke can be improved in a limited space due to the design of the egg-shaped structures, so that the heat exchange efficiency of the device is further improved.

Drawings

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

Fig. 2 is a schematic cross-sectional view of the whole structure of the present utility model.

Fig. 3 is a schematic view of a flow guiding tube structure according to the present utility model.

Fig. 4 is a schematic view of a connecting plate structure according to the present utility model.

Fig. 5 is an enlarged schematic view of the structure a in fig. 4 according to the present utility model.

In the figure: 1. a case; 2. a partition plate; 3. a flow guiding pipe; 4. a connecting plate; 5. a through hole; 6. a bar-shaped groove; 7. a heat conductive plate; 8. a heat conduction fin; 9. a heat conduction hole; 10. a connecting pipe; 11. a water tank; 12. a circulation pump; 13. a return pipe; 14. and an air duct.

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.

The utility model provides a novel economizer pipe box as shown in figures 1-5, which comprises a box body 1, wherein two partition plates 2 are fixedly connected inside the box body 1, the two partition plates 2 are of L-shaped structures, the two partition plates 2 are distributed in a central symmetry manner, and the two partition plates 2 can divide the inside of the box body 1 into cavities of a serpentine structure so as to improve the residence time of flue gas inside the box body 1;

specifically, a plurality of guide pipes 3 are arranged in the box body 1, the guide pipes 3 are distributed at equal intervals, the guide pipes 3 are arranged into a serpentine structure, and the serpentine structure enables the guide pipes 3 to be distributed along the shape of the cavity so as to ensure the heat exchange effect of the guide pipes 3 on flue gas;

more specifically, a connecting plate 4 is arranged among the plurality of flow guide pipes 3, one end of the connecting plate 4 is penetrated and provided with a plurality of through holes 5, the flow guide pipes 3 are penetrated and connected with the through holes 5, the upper surface of the connecting plate 4 is penetrated and provided with a plurality of strip-shaped grooves 6, the strip-shaped grooves 6 and the through holes 5 are distributed in a staggered manner, the inside of the strip-shaped grooves 6 is fixedly connected with a heat conducting plate 7, the middle part of the heat conducting plate 7 is fixedly connected with a plurality of heat conducting fins 8, and the plurality of heat conducting fins 8 are distributed at equal intervals;

in addition, the heat conducting fins 8 are arranged in an egg roll-shaped structure, two adjacent heat conducting fins 8 are distributed in a central symmetry mode, a plurality of heat conducting holes 9 are formed in the outer side walls of the heat conducting fins 8 in a penetrating mode, the heat conducting holes 9 are arranged in a round structure, the contact area between the heat conducting fins 8 and smoke is improved due to the arrangement of the egg roll-shaped structure, and therefore heat exchange efficiency of the heat conducting fins 8 is improved;

moreover, the two ends of the flow guide pipe 3 are fixedly connected with the connecting pipe 10, the middle part of the upper surface of the box body 1 is fixedly connected with the water tank 11, one end of the connecting pipe 10 is positioned in the water tank 11, the middle part of the lower surface of the box body 1 is fixedly connected with the circulating pump 12, the input end of the circulating pump 12 is fixedly connected with the connecting pipe 10, the output end of the circulating pump 12 is fixedly connected with the return pipe 13, one end of the return pipe 13 is positioned in the water tank 11, and the circulating pump 12 is matched with the return pipe 13, so that the circulating transportation of water in the water tank 11 can be realized;

simultaneously, the middle parts of the two ends of the box body 1 are fixedly connected with air guide pipes 14, one end of each air guide pipe 14 is fixedly connected with a connecting flange, and the two air guide pipes 14 can be connected into a smoke exhaust pipeline of the boiler through the connecting flange.

The working principle of the utility model is as follows:

when the device is used, the air ducts 14 at the two ends of the box body 1 are connected into a smoke exhaust pipeline of a boiler through the connecting flanges, smoke exhausted by the boiler enters the box body 1 through the air ducts 14, as the two partition boards 2 are arranged in the box body 1, the interior of the box body 1 is divided into cavities with a snake-shaped structure by the two partition boards 2, the smoke can flow along the cavities, in the process, heat exchange is carried out between the smoke and the heat conducting fins 8, so that heat in the smoke is transmitted to water in the guide pipe 3, and the water in the guide pipe 3 circularly flows under the action of the circulating pump 12, so that the heat absorption effect of the water is ensured, and the smoke absorption of the boiler can be realized;

in the process of movement of the boiler flue gas in the box body 1, the heat of the flue gas entering the box body 1 and being discharged out of the box body 1 is reduced, so that the temperatures at two ends of the box body 1 are different, the temperature of the box body 1 close to one end of the boiler is higher, the flue gas is expanded due to the high temperature, the air pressure inside the box body 1 close to one end of the boiler is larger, and the cooled flue gas is pushed out of the box body under the action of the air pressure, so that the smoke discharging effect of the device is improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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 described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a novel economizer pipe case, includes box (1), its characterized in that: the inside fixedly connected with baffle (2) of box (1), two baffle (2) all set up to "L" shape structure, and two baffle (2) are central symmetry and distribute, the inside of box (1) is provided with a plurality of honeycomb ducts (3), a plurality of honeycomb duct (3) are equidistant distribution, and honeycomb duct (3) set up to snakelike structure, a plurality of be provided with connecting plate (4) between honeycomb duct (3), a plurality of through-holes (5) have been run through to the one end of connecting plate (4), honeycomb duct (3) and through-hole (5) through-connection, a plurality of bar grooves (6) have been run through to the upper surface of connecting plate (4), bar groove (6) are staggered distribution with through-hole (5), the inside fixedly connected with heat conduction board (7) of bar groove (6), the middle part fixedly connected with a plurality of heat conduction fins (8) of heat conduction board (7), and a plurality of heat conduction fins (8) are equidistant distribution.

2. The novel economizer tube box of claim 1, wherein: the heat conducting fins (8) are arranged in an egg roll-shaped structure, and two adjacent heat conducting fins (8) are distributed in a central symmetry mode.

3. The novel economizer tube box of claim 2, wherein: the outer side wall of the heat conduction fin (8) is provided with a plurality of heat conduction holes (9) in a penetrating mode, and the heat conduction holes (9) are of a circular structure.

4. A novel economizer tube as claimed in claim 3, wherein: the two ends of the flow guide pipe (3) are fixedly connected with connecting pipes (10), the middle part of the upper surface of the box body (1) is fixedly connected with a water tank (11), and one end of each connecting pipe (10) is positioned in the water tank (11).

5. The novel economizer tube box of claim 4, wherein: the middle part of the lower surface of the box body (1) is fixedly connected with a circulating pump (12), and the input end of the circulating pump (12) is fixedly connected with a connecting pipe (10).

6. The novel economizer tube box of claim 5, wherein: the output end of the circulating pump (12) is fixedly connected with a return pipe (13), and one end of the return pipe (13) is positioned in the water tank (11).

7. The novel economizer tube of claim 6, wherein: the middle parts of the two ends of the box body (1) are fixedly connected with air guide pipes (14), and one ends of the air guide pipes (14) are fixedly connected with connecting flanges.