CN215572315U

CN215572315U - Easy-to-maintain flue gas waste heat recoverer for boiler

Info

Publication number: CN215572315U
Application number: CN202122029668.7U
Authority: CN
Inventors: 孙昌盛; 徐定平; 马军
Original assignee: Jiangsu Boge Boiler Equipment Co ltd
Current assignee: Jiangsu Boge Boiler Equipment Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-01-18
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses an easy-to-maintain flue gas waste heat recoverer for a boiler, which comprises a waste heat recoverer body, wherein a heat exchange tube is arranged at the inner side of the waste heat recoverer body, heat exchange fins are fixed on the outer wall of the heat exchange tube, a smoke outlet is formed in the waste heat recoverer body, a spray pipe is fixed at the upper end of the inner side of the waste heat recoverer body, a spray head is arranged on the lower surface of the spray pipe, a connecting cylinder is fixed at the lower end of the waste heat recoverer body, and an isolation plate is arranged on the lower surface of the connecting cylinder; through being provided with shower head, shower, leading tobacco pipe, connecting cylinder, blow off pipe and isolated board, avoid wasing inconvenient to the heat exchange pipe, more dust is accumulated on the heat exchange pipe surface, influences the heat transfer effect, and device easy operation can reduce abluent sewage and directly flow in the boiler inboard through advancing the tobacco pipe, through being provided with the clear glass board, avoids observing inconveniently to waste heat recoverer body inboard, leads to the later stage to overhaul inconvenient.

Description

Easy-to-maintain flue gas waste heat recoverer for boiler

Technical Field

The utility model belongs to the technical field of boilers, and particularly relates to a flue gas waste heat recoverer for a boiler, which is easy to maintain.

Background

The boiler is an energy conversion device, the energy input to the boiler has chemical energy in the fuel, the electric energy, the boiler output has certain steam of heat energy, high-temperature water or organic heat carrier, hot water or steam that produce in the boiler can directly provide required heat energy for industrial production and people's life, also can convert mechanical energy into through steam power device, or the rethread generator converts mechanical energy into electric energy, the boiler is in the use, in order to improve energy utilization efficiency, generally retrieve the waste heat of flue gas through waste heat recovery device, it directly discharges to the external environment to reduce the flue gas, cause the waste of heat energy.

The existing waste heat recoverer for the boiler can cause dust to be accumulated on the surface of a heat exchange tube inside the waste heat recoverer due to long-time use in the using process, so that the heat transfer efficiency is reduced, the waste heat recovery effect is influenced, the surface of the heat exchange tube is not convenient to clean, the using effect is not good, the inner side of the waste heat recoverer is not convenient to observe, the later-period maintenance is influenced, and the flue gas waste heat recoverer for the boiler easy to maintain is provided for this reason.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an easy-to-maintain flue gas waste heat recoverer for a boiler, and aims to solve the problems that in the use process of the existing waste heat recoverer for the boiler, dust is accumulated on the surface of a heat exchange tube in the waste heat recoverer due to long-time use of the existing waste heat recoverer for the boiler, so that the heat transfer efficiency is reduced, the waste heat recovery effect is influenced, the surface of the heat exchange tube is inconvenient to clean, the use effect is poor, in addition, the observation on the inner side of the waste heat recoverer is inconvenient, and the later-period maintenance is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an easy-to-maintain's flue gas waste heat recoverer for boiler, includes the waste heat recoverer body, waste heat recoverer body inboard is provided with the heat exchange tube, the heat exchange tube outer wall is fixed with heat transfer fin, be provided with the outlet flue on the waste heat recoverer body, waste heat recoverer body inboard upper end is fixed with the shower, the shower lower surface is provided with the shower head, waste heat recoverer body lower extreme is fixed with the connecting cylinder, the connecting cylinder lower surface is provided with isolated plate, isolated plate lower fixed surface has into the tobacco pipe, it has seted up the exhaust port to advance tobacco pipe lateral wall, exhaust port one side is provided with leads the tobacco pipe, the connecting cylinder carries out inside intercommunication through leading the tobacco pipe with advancing the tobacco pipe, a connecting cylinder lateral wall lower extreme is provided with the blow off pipe.

Preferably, the front surface of the waste heat recoverer body is provided with an observation port, and a transparent glass plate is fixed on the inner side of the observation port.

Preferably, a sealing gasket is arranged on one side surface of the transparent glass plate, and the sealing gasket is annular.

Preferably, the smoke guide pipe and the blow-off pipe are both provided with two positions, and the outer side of the blow-off pipe is provided with a control valve.

Preferably, a water inlet is formed in one end of the spray pipe, and the spray heads are arranged in a plurality of intervals along the long edge of the spray pipe.

Preferably, the inner diameter of the smoke inlet pipe is equal to that of the connecting cylinder, and a flange plate is fixed at the lower end of the smoke inlet pipe.

Compared with the prior art, the utility model has the beneficial effects that:

(1) through being provided with shower head, shower, leading tobacco pipe, connecting cylinder, blow off pipe and isolated board, avoid wasing inconveniently to the heat exchange tube, more dust is accumulated on the heat exchange tube surface, influences the heat transfer effect, and device easy operation can reduce abluent sewage and directly flow in the boiler inboard through advancing the tobacco pipe, has increased the practicality of device.

(2) Through being provided with the transparent glass board, it is inconvenient to avoid observing waste heat recoverer body inboard, leads to the later stage to overhaul inconvenient, installs simple structure, has increased the result of use of device.

Drawings

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

FIG. 2 is a schematic cross-sectional view at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a gasket construction of the present invention;

in the figure: 1. a waste heat recoverer body; 2. a smoke outlet; 3. a shower head; 4. a shower pipe; 5. a smoke guide pipe; 6. a smoke inlet pipe; 7. a connecting cylinder; 8. a transparent glass plate; 9. a blow-off pipe; 10. a control valve; 11. a heat exchange pipe; 12. a smoke outlet; 13. an insulating panel; 14. and a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a flue gas waste heat recoverer for a boiler easy to maintain comprises a waste heat recoverer body 1, wherein a heat exchange tube 11 is arranged on the inner side of the waste heat recoverer body 1, heat exchange fins are fixed on the outer wall of the heat exchange tube 11, a smoke outlet 2 is arranged on the waste heat recoverer body 1, a spray tube 4 is fixed at the upper end of the inner side of the waste heat recoverer body 1, a spray head 3 is arranged on the lower surface of the spray tube 4 and is convenient for spraying and washing the heat exchange tube 11 and the tube heat fins, a connecting cylinder 7 is fixed at the lower end of the waste heat recoverer body 1, an isolation plate 13 is arranged on the lower surface of the connecting cylinder 7 and is convenient for reducing the direct flow of cleaned sewage into the inner side of a smoke inlet tube 6, a smoke inlet tube 6 is fixed on the lower surface of the isolation plate 13, a smoke outlet 12 is arranged on one side wall of the smoke inlet tube 6, a smoke guide tube 5 is arranged on one side of the smoke outlet 12 and is convenient for enabling the flue gas of the boiler to enter the inner side of the waste heat recoverer body 1, the connecting cylinder 7 is communicated with the smoke inlet tube 6 through the smoke guide tube 5, a sewage discharge pipe 9 is arranged at the lower end of one side wall of the connecting cylinder 7, so that the cleaned sewage can be conveniently discharged.

In this embodiment, preferred, the viewing aperture has been seted up to waste heat recoverer body 1 front surface, and the inside transparent glass board 8 that is fixed with of viewing aperture is convenient for observe waste heat recoverer body 1 inboard, improves the convenient effect of later stage maintenance.

In this embodiment, preferably, a sealing gasket 14 is disposed on a side surface of the transparent glass plate 8, and the sealing gasket 14 is annular, so as to facilitate better installation of the transparent glass plate 8.

In this embodiment, preferably, the smoke guide pipe 5 and the sewage discharge pipe 9 are both provided with two positions, and the control valve 10 is arranged outside the sewage discharge pipe 9, so as to control the discharged sewage conveniently.

In this embodiment, preferably, the water inlet has been seted up to 4 one ends of shower, and shower head 3 is provided with a plurality ofly along 4 long limit equidistance of shower, the better cleaning performance that sprays of being convenient for.

In this embodiment, preferably, the inner diameter of the smoke inlet pipe 6 is equal to the inner diameter of the connecting cylinder 7, and the flange is fixed at the lower end of the smoke inlet pipe 6, so that the smoke inlet pipe 6 can be conveniently connected with the boiler.

The working principle and the using process of the utility model are as follows: when the device is used, the smoke inlet pipe 6 is externally connected with a smoke outlet of a boiler, smoke enters the inner side of the smoke inlet pipe 6 and then enters the inner side of the waste heat recoverer body 1 through the smoke guide pipe 5 and the connecting cylinder 7, the smoke is contacted with the heat exchange pipe 11, waste heat of the smoke is transferred to the heat exchange pipe 11, finally the smoke is discharged outwards from the smoke outlet 2, when dust is accumulated on the surfaces of the heat exchange pipe 11 and the heat exchange fins, the spray pipe 4 is externally connected with a water pipe, water flow is sprayed to the heat exchange pipe 11 through the spray head 3, the heat exchange pipe 11 and the heat exchange fins are cleaned, cleaned sewage flows into the inner side of the connecting cylinder 7 under the action of gravity and finally is discharged outwards through the drain pipe 9, the cleaned sewage can be directly flowed into the inner side of the boiler through the smoke inlet pipe 6 under the action of gravity through the smoke guide pipe 5, the use effect of the device is improved, and the heat exchange pipe 11 and the heat exchange fins can be directly checked through the transparent glass plate 8, and the later-period overhaul and maintenance are easy.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an easy to maintain's flue gas waste heat recoverer for boiler, includes waste heat recoverer body (1), waste heat recoverer body (1) inboard is provided with heat exchange tube (11), heat exchange tube (11) outer wall is fixed with heat transfer fin, be provided with outlet flue (2), its characterized in that on waste heat recoverer body (1): the waste heat recovery device is characterized in that a spraying pipe (4) is fixed to the upper end of the inner side of the waste heat recovery device body (1), a spraying head (3) is arranged on the lower surface of the spraying pipe (4), a connecting cylinder (7) is fixed to the lower end of the waste heat recovery device body (1), an isolating plate (13) is arranged on the lower surface of the connecting cylinder (7), a smoke inlet (12) is formed in one side wall of the smoke inlet (6), a smoke guide pipe (5) is arranged on one side of the smoke outlet (12), the connecting cylinder (7) and the smoke inlet pipe (6) are communicated with each other inside through the smoke guide pipe (5), and a blow-off pipe (9) is arranged at the lower end of one side wall of the connecting cylinder (7).

2. The easy-to-maintain flue gas waste heat recoverer for a boiler of claim 1, wherein: an observation port is formed in the front surface of the waste heat recoverer body (1), and a transparent glass plate (8) is fixed on the inner side of the observation port.

3. The easy-to-maintain flue gas waste heat recoverer for the boiler as claimed in claim 2, wherein: a sealing gasket (14) is arranged on the surface of one side of the transparent glass plate (8), and the sealing gasket (14) is annular.

4. The easy-to-maintain flue gas waste heat recoverer for a boiler of claim 1, wherein: the smoke guide pipe (5) and the blow-off pipe (9) are both provided with two positions, and the outer side of the blow-off pipe (9) is provided with a control valve (10).

5. The easy-to-maintain flue gas waste heat recoverer for a boiler of claim 1, wherein: the water inlet has been seted up to shower (4) one end, shower (3) are provided with a plurality ofly along long limit equidistance of shower (4).

6. The easy-to-maintain flue gas waste heat recoverer for a boiler of claim 1, wherein: the inner diameter of the smoke inlet pipe (6) is equal to that of the connecting cylinder (7), and a flange plate is fixed at the lower end of the smoke inlet pipe (6).