CN217382994U

CN217382994U - Pipeline heat recovery device

Info

Publication number: CN217382994U
Application number: CN202123424256.XU
Authority: CN
Inventors: 李睿
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-09-06
Anticipated expiration: 2031-12-31

Abstract

The utility model provides a pipeline heat energy recovery device relating to the field of heat energy boilers, which comprises a smoke exhaust pipe communicated with a waste smoke exhaust pipeline of a boiler, wherein a heat energy recovery sleeve is sleeved outside the smoke exhaust pipe and is provided with a closed heat energy recovery cavity; the cross section of the heat energy recovery sleeve is in a fan shape, a water inlet and a water outlet are respectively arranged at two ends of the heat energy recovery sleeve, and electromagnetic valves are respectively arranged at the water inlet and the water outlet; a plurality of radiating fins are uniformly distributed in the heat energy recovery cavity, the heat energy recovery sleeves are arranged in pairs, and the heat energy recovery sleeves are wrapped outside the smoke exhaust pipe in pairwise symmetry. The utility model discloses utilize the heat recovery cover to wrap up in the tub outside of discharging fume, the cooling water in the heat recovery cover carries out the heat exchange with the heat that the pipe gived off of discharging fume, carries out heat recovery. The arrangement of the fan-shaped radiating fins enables heat in the smoke exhaust pipe to be conducted into the heat energy recovery cavity more quickly, and the recovery efficiency is higher. The utility model discloses simple structure, the maintenance of being convenient for is changed.

Description

Pipeline heat recovery device

Technical Field

The utility model belongs to the technical field of the heat energy boiler and specifically relates to a pipeline heat recovery unit.

Background

The boiler all plays different effects in present each trade, not only can provide the supply of energy betterly, can also promote the production of some trades, for example metallurgical industry, but the boiler is in long-term use, can produce a large amount of flue gases, contain a large amount of heat energy in these flue gases, direct emission can cause the waste of the energy, in order to improve the utilization efficiency of the energy, we adopt heat recovery unit to recycle the heat in the flue gas usually, but devices such as current heat exchange towers are bulky, high cost, be unfavorable for the maintenance and change.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pipeline heat recovery unit to solve the extravagant problem of current high temperature flue gas heat energy.

The utility model discloses a realize like this: a pipeline heat energy recovery device comprises a smoke exhaust pipe communicated with a waste smoke exhaust pipeline of a boiler, wherein a heat energy recovery sleeve is sleeved outside the smoke exhaust pipe and provided with a closed heat energy recovery cavity;

the cross section of the heat energy recovery sleeve is fan-shaped and comprises an inner arc surface wrapping the outer side of the smoke exhaust pipe and an outer arc surface far away from the smoke exhaust pipe, fan-shaped end sealing plates are arranged at two ends of the inner arc surface and the outer arc surface, four long edges of the inner arc surface and the outer arc surface are positioned on the same plane, and rectangular sealing plates are respectively arranged at adjacent long edges of the inner arc surface and the outer arc surface; a water inlet and a water outlet are respectively arranged at two ends of the heat energy recovery sleeve, and electromagnetic valves are respectively arranged at the water inlet and the water outlet;

a plurality of radiating fins are uniformly distributed in the heat energy recovery cavity, one end of each radiating fin is positioned in the heat energy recovery cavity, and the other end of each radiating fin is abutted against the outer wall of the smoke exhaust pipe; the heat energy recovery sleeves are arranged in pairs, and the smoke exhaust pipes are wrapped in a pairwise symmetry mode.

Preferably, the smoke exhaust pipe is made of metal materials.

Preferably, the heat energy recovery sleeve is connected with flanges at two ends of the smoke exhaust pipe through bolts.

Preferably, a lap joint edge is arranged on the long edge of the outer arc surface of each heat energy recovery sleeve, and the two oppositely arranged heat energy recovery sleeves are connected through bolts.

Preferably, the heat dissipation fins are fan-shaped.

Preferably, the heat energy recovery sleeve is wrapped with an insulating layer.

Preferably, a water temperature sensor is arranged in the heat energy recovery cavity.

Adopt above-mentioned technical scheme, the utility model discloses utilize the heat recovery cover to wrap up in the tub outside of discharging fume, the cooling water in the heat recovery cover carries out the heat exchange with the heat that the pipe gived off of discharging fume, carries out heat recovery. The arrangement of the fan-shaped radiating fins enables heat in the smoke exhaust pipe to be conducted into the heat energy recovery cavity more quickly, and the recovery efficiency is higher. The utility model discloses simple structure is convenient for maintain and change.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of the present invention;

fig. 2 is a schematic longitudinal sectional structure of the present invention.

In the figure: the heat recovery device comprises a smoke exhaust pipe 1, a heat recovery sleeve 2, a heat recovery cavity 3, an inner arc surface 4, an outer arc surface 5, an end sealing plate 6, a rectangular sealing plate 7, a water inlet 8, a water outlet 9, a radiating fin 10, a lap joint edge 11 and a heat insulation layer 12.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are provided to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 and 2, the utility model provides a pipeline heat energy recovery device, include with the exhaust pipe 1 of boiler waste smoke exhaust pipe intercommunication, be equipped with heat energy recovery cover 2 in the outside cover of exhaust pipe 1, heat energy recovery cover 2 has inclosed heat energy recovery chamber 3.

The cross section of the heat energy recovery sleeve 2 of the utility model is fan-shaped, comprising an inner arc surface 4 wrapping the outer side of the smoke exhaust pipe 1 and an outer arc surface 5 far away from the smoke exhaust pipe, wherein fan-shaped end sealing plates 6 are arranged at the two ends of the inner arc surface 4 and the outer arc surface 5, four long edges of the inner arc surface 4 and the outer arc surface 5 are positioned on the same plane, and rectangular sealing plates 7 are respectively arranged at the adjacent long edges of the inner arc surface 4 and the outer arc surface 5; a water inlet 8 and a water outlet 9 are respectively arranged at two ends of the heat energy recovery sleeve 2, and electromagnetic valves are respectively arranged at the water inlet 8 and the water outlet 9.

The utility model discloses the equipartition is provided with a plurality of fin 10 in heat recovery chamber 3, and the one end of fin 10 is located heat recovery chamber 3, and other end butt is on the outer wall of pipe 1 of discharging fume. Preferably, the radiating fins 10 are fan-shaped, the radian of the inner arc edge of each radiating fin 10 is the same as that of the outer wall of the smoke exhaust pipe, the inner arc edge of each radiating fin 10 abuts against the outer wall of the smoke exhaust pipe 1, and preferably, the radiating fins and the smoke exhaust pipe are made of metal materials, and heat in the smoke exhaust pipe 1 is guided into the heat energy recovery cavity 3 through the radiating fins for recovery.

The utility model discloses a heat recovery cover 2 sets up in pairs, and two bisymmetry parcels up in the outside of discharging fume pipe 1. The heat energy recovery sleeves 2 at the two ends are connected with flanges at the two ends of the smoke exhaust pipe 1 through bolts. The long edge of the outer arc surface of each heat energy recovery sleeve 2 is provided with a lap edge 11, and the two oppositely arranged heat energy recovery sleeves 2 are connected through bolts. The two heat energy recovery sleeves can completely wrap the smoke exhaust pipe 1. The detachable structure makes the heat energy recovery sleeve 2 convenient for maintenance and replacement.

Further, the heat energy recovery sleeve 2 is wrapped with an insulating layer 12. A water temperature sensor is arranged in the heat energy recovery cavity 3.

The utility model discloses utilize the heat recovery cover to wrap up in the tub outside of discharging fume, the cooling water in the heat recovery cover carries out the heat exchange with the heat that the pipe gived off of discharging fume, carries out heat recovery. The arrangement of the fan-shaped radiating fins enables heat in the smoke exhaust pipe to be conducted into the heat energy recovery cavity more quickly, and the recovery efficiency is higher. The utility model discloses simple structure, the maintenance of being convenient for is changed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A pipeline heat energy recovery device is characterized by comprising a smoke exhaust pipe communicated with a waste smoke exhaust pipeline of a boiler, wherein a heat energy recovery sleeve is sleeved outside the smoke exhaust pipe and is provided with a closed heat energy recovery cavity;

a plurality of radiating fins are uniformly distributed in the heat energy recovery cavity, one end of each radiating fin is positioned in the heat energy recovery cavity, and the other end of each radiating fin is abutted against the outer wall of the smoke exhaust pipe; the heat energy recovery sleeves are arranged in pairs, and the smoke exhaust pipes are wrapped in pairs.

2. The pipe heat energy recovery device of claim 1, wherein the flue pipe is made of a metal material.

3. The pipeline heat energy recovery device of claim 1, wherein the heat energy recovery sleeve is connected with flanges at two ends of the smoke exhaust pipe through bolts.

4. The pipe heat energy recovery device according to claim 1, wherein a lap edge is provided at a long side of an outer arc surface of each heat energy recovery jacket, and the two heat energy recovery jackets disposed opposite to each other are connected by a bolt.

5. The apparatus of claim 1, wherein the fins are fan-shaped.

6. The pipeline heat energy recovery device of claim 1, wherein the heat energy recovery sleeve is externally wrapped with an insulating layer.

7. The pipeline heat energy recovery device of claim 1, wherein a water temperature sensor is disposed in the heat energy recovery chamber.