CN210891742U

CN210891742U - Coal gangue boiler heat recovery device

Info

Publication number: CN210891742U
Application number: CN201922019717.1U
Authority: CN
Inventors: 周云青
Original assignee: Putian University
Current assignee: Putian University
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-06-30
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a coal gangue boiler heat energy recovery device, which belongs to the technical field of heat energy recovery devices and comprises a boiler body, wherein two ends of the lower surface of the boiler body are provided with supporting legs, the top end of the boiler body is provided with a smoke exhaust pipe, a recovery mechanism is arranged above the boiler body and comprises a recovery pipe, one side of the recovery pipe is provided with a first recovery box, a first heat conduction plate is arranged at the joint of the first recovery box and the recovery pipe, a first power generation element is embedded at two ends of the first heat conduction plate, one end of the first recovery box is provided with a water inlet pipe, the other end of the first recovery box is provided with a water drain pipe, and the inner wall of the first recovery box is provided with a first heat conduction; the utility model discloses simple structure, convenient to use can effectively carry out recycle to the heat energy in the boiler tail gas to make heat recovery unit better to the recovery effect of heat energy.

Description

Coal gangue boiler heat recovery device

Technical Field

The utility model belongs to the technical field of heat recovery unit, concretely relates to gangue boiler heat recovery unit.

Background

Chinese patent (publication No. CN 207162589U) discloses a boiler heat energy recycling device, including boiler body and the flue gas discharge pipe of connection on the boiler body, boiler heat energy recycling device still includes the air-supply line, is provided with the screw thread section on the air-supply line, is provided with the thread groove that can supply the screw thread section embedding on the lateral wall of flue gas discharge pipe, and the parcel has thermal-insulated cotton on the lateral wall of flue gas discharge pipe, and air-supply line one end is connected with the air-blower, the air intake connection on the other end and the boiler body.

The utility model discloses an advantage lies in, can carry out recycle to the heat energy in the flue gas, can reduce the loss of heat energy.

However, the heat energy recovery device has a simpler structure, so that the device has a poor heat energy recovery effect, and the use experience of a user on the heat energy recovery device is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gangue boiler heat recovery unit to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gangue boiler heat recovery unit, includes the boiler body, and the lower surface both ends of boiler body are provided with the supporting legs, and the top of boiler body is provided with the pipe of discharging fume, the top of boiler body is provided with recovery mechanism, and recovery mechanism includes the recovery tube, and one side of recovery tube is provided with first collection box, and first collection box is provided with first heat-conducting plate with the junction of recovery tube, and the both ends embedding of first heat-conducting plate has first electricity generation spare, and the one end of first collection box is provided with the inlet tube, and the other end of first collection box is provided with the drain pipe, is provided with first heat conduction fin on the inner wall of first collection box.

As a further aspect of the present invention: and a second recovery box is arranged on the other side of the recovery pipe, a second heat-conducting plate is arranged at the joint of the second recovery box and the recovery pipe, a negative-pressure fan is arranged at one end of the second recovery box, and a connecting pipe corresponding to the boiler body is arranged at the other end of the second recovery box.

As a further aspect of the present invention: and second heat-conducting fins are arranged on the inner wall of the second recovery box and fixedly connected with the second recovery box in a welding mode.

As a further aspect of the present invention: the two ends of the second heat-conducting plate are embedded with four second power generation parts, and the four second power generation parts are symmetrically arranged at the two ends of the second heat-conducting plate.

As a further aspect of the present invention: the first power generation part and the second power generation part are both semiconductor thermoelectric power generation pieces.

As a further aspect of the present invention: and the inner wall of the recovery pipe is provided with third heat-conducting fins which are fixedly connected with the recovery pipe in a welding mode.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, convenient to use can effectively carry out recycle to the heat energy in the boiler tail gas to make heat recovery unit better to the recovery effect of heat energy, promote the user and experience heat recovery unit's use, in addition, this device can be applicable to the boiler of different models, makes recovery unit's application scope more extensive, is worth promoting and using.

Drawings

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

fig. 2 is a schematic structural view of a corresponding recovery mechanism of the present invention;

fig. 3 is a structural sectional view of a corresponding recovery pipe of the present invention;

in the figure: the boiler comprises 1-supporting legs, 2-a boiler body, 3-a recovery mechanism, 4-a smoke exhaust pipe, 31-a water inlet pipe, 32-a first heat conducting plate, 33-a first power generation part, 34-a water discharge pipe, 35-a first recovery box, 36-a first heat conducting fin, 37-a recovery pipe, 38-a second heat conducting fin, 391-a negative pressure fan, 392-a second heat conducting plate, 393-a second power generation part, 394-a connecting pipe, 395-a third heat conducting fin and 396-a second recovery box.

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.

Example 1:

referring to fig. 1-3, the present invention provides a technical solution: a coal gangue boiler heat energy recovery device comprises a boiler body 2, supporting legs 1 are welded at two ends of the lower surface of the boiler body 2, a smoke exhaust pipe 4 is arranged at the top end of the boiler body 2, a recovery mechanism 3 is arranged above the boiler body 2, the recovery mechanism 3 comprises a recovery pipe 37, a first recovery box 35 is arranged on one side of the recovery pipe 37, a first heat conduction plate 32 is welded at the joint of the first recovery box 35 and the recovery pipe 37, a first power generation part 33 is embedded into two ends of the first heat conduction plate 32, a water inlet pipe 31 is welded at one end of the first recovery box 35, a drain pipe 34 is welded at the other end of the first recovery box 35, a first heat conduction fin 36 is arranged on the inner wall of the first recovery box 35, the smoke exhaust pipe 4 is used in the prior art, and good sealing performance is achieved between the smoke exhaust pipe 4;

in order to make the recovery mechanism 3 have a better recovery effect on the waste heat, in this embodiment, preferably, the other side of the recovery pipe 37 is provided with a second recovery box 396, a second heat conduction plate 392 is arranged at a joint of the second recovery box 396 and the recovery pipe 37, one end of the second recovery box 396 is welded with a negative pressure fan 391, and the other end of the second recovery box 396 is provided with a connection pipe 394 corresponding to the boiler body 2;

in order to make the second recycling box 396 better collect the waste heat, in this embodiment, preferably, the inner wall of the second recycling box 396 is provided with a second heat conduction fin 38, the second heat conduction fin 38 and the second recycling box 396 are fixedly connected by welding, when in use, the air is blown into the second recycling box 396 through the negative pressure fan 391, and then the blown air is heated through the second recycling box 396 and the second heat conduction fin 38.

Example 2:

on the basis of embodiment 1, in order to make the function of the recycling device richer, in this embodiment, it is preferable that the second power generating elements 393 are embedded into both ends of the second heat conduction plate 392, the number of the second power generating elements 393 is four, and the four second power generating elements 393 are symmetrically disposed at both ends of the second heat conduction plate 392;

in order to improve the power generation effect of the first power generation element 33 and the second power generation element 393, in this embodiment, preferably, the first power generation element 33 and the second power generation element 393 are both semiconductor thermoelectric power generation sheets, and the first power generation element 33 and the second power generation element 393 are electrically connected to the negative pressure fan 391 through a switch;

in order to make the collection effect of recovery tube 37 to the waste heat better, in this embodiment, it is preferred that the inner wall of recovery tube 37 is provided with third heat conduction fin 395, and third heat conduction fin 395 and recovery tube 37 are for passing through welding mode fixed connection, and third heat conduction fin 395 can effectively increase the area of contact of recovery tube 37 with tail gas to promote its collection effect to the waste heat.

The utility model discloses a theory of operation and use flow: when the boiler is used, the water inlet pipe 31 is connected to a water source, when the boiler burns, tail gas generated by burning is discharged from the smoke exhaust pipe 4, the discharged tail gas enters the recovery pipe 37, the recovery pipe 37 is heated by the tail gas, and then the recovery pipe 37 transfers the heat to the first recovery box 35 and the second recovery box 396 through the first heat conduction plate 32 and the second heat conduction plate 392 respectively; meanwhile, the first and second

power generation parts

33 and 393 generate power due to a large temperature difference between both sides, so that the negative pressure fan 391 is driven to rotate by the amount of power generated by the first and second

power generation parts

33 and 393;

first recovery box 35 heats water through the heat energy of collection this moment, and second recovery box 396 heats the air of blowing into boiler body 2 through the heat energy of collection to promote the fuel combustion effect in boiler body 2, realize the recycle of waste heat, make heat recovery unit better to the recovery effect of heat energy, promote the user and experience heat recovery unit's use, recovery pipe 37 can be applicable to the pipe 4 of discharging fume of different models, thereby make recovery unit's application scope more extensive.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a coal gangue boiler heat recovery unit, includes boiler body (2), and the lower surface both ends of boiler body (2) are provided with supporting legs (1), and the top of boiler body (2) is provided with smoke exhaust pipe (4), its characterized in that: the boiler comprises a boiler body (2), and is characterized in that a recovery mechanism (3) is arranged above the boiler body (2), the recovery mechanism (3) comprises a recovery pipe (37), a first recovery box (35) is arranged on one side of the recovery pipe (37), a first heat-conducting plate (32) is arranged at the joint of the first recovery box (35) and the recovery pipe (37), first power generation parts (33) are embedded into the two ends of the first heat-conducting plate (32), a water inlet pipe (31) is arranged at one end of the first recovery box (35), a water drain pipe (34) is arranged at the other end of the first recovery box (35), and first heat-conducting fins (36) are arranged on the inner wall of the first recovery box (35).

2. The coal refuse boiler heat energy recovery device of claim 1, characterized in that: a second recovery box (396) is arranged on the other side of the recovery pipe (37), a second heat-conducting plate (392) is arranged at the joint of the second recovery box (396) and the recovery pipe (37), a negative-pressure fan (391) is arranged at one end of the second recovery box (396), and a connecting pipe (394) corresponding to the boiler body (2) is arranged at the other end of the second recovery box (396).

3. The coal refuse boiler heat energy recovery device of claim 2, characterized in that: and second heat-conducting fins (38) are arranged on the inner wall of the second recovery box (396), and the second heat-conducting fins (38) are fixedly connected with the second recovery box (396) in a welding mode.

4. The coal refuse boiler heat energy recovery device of claim 3, characterized in that: the two ends of the second heat conduction plate (392) are embedded with four second power generation parts (393), and the four second power generation parts (393) are symmetrically arranged at the two ends of the second heat conduction plate (392).

5. The coal refuse boiler heat energy recovery device of claim 4, characterized in that: the first power generation part (33) and the second power generation part (393) are both semiconductor thermoelectric power generation pieces.

6. The coal refuse boiler heat energy recovery device of any one of claims 1-5, characterized in that: be provided with third heat conduction fin (395) on the inner wall of recovery tube (37), third heat conduction fin (395) and recovery tube (37) are through welding mode fixed connection.