CN213686781U - Waste heat recovery device of steam generator - Google Patents

Abstract

The utility model discloses a steam generator waste heat recovery device, which comprises a waste heat recovery device body, the upper end of the waste heat recovery device body is provided with a generator water inlet, one side of the generator water inlet, which is far away from the waste heat recovery device body, is provided with a box body, one side of the box body, which is close to the waste heat recovery device body, is provided with a box body water outlet, the box body comprises a water tank, a smoke box connected with the lower bottom surface of the water tank and a fixing seat used for fixing the box body on the ground, the smoke box is connected with the fixing seat, the water tank is vertically provided with a smoke inlet pipe and a smoke outlet pipe, the upper end of the smoke inlet pipe penetrates through the upper end surface of the water tank and is arranged as an input smoke inlet, the lower end of the smoke inlet pipe penetrates through the lower end surface of the water tank and extends into the smoke box, one side end, the energy consumption of the waste heat recovery device body in heating water is reduced, the waste heat recovery device is more energy-saving and environment-friendly, and is worthy of popularization and application.

Description

Waste heat recovery device of steam generator

Technical Field

The utility model relates to a waste heat recovery device specifically is a steam generator waste heat recovery device.

Background

The coal is used as fuel to heat water into hot water or steam, but because the coal has high sulfur content (the sulfur content of the coal in China is high and reaches 2-3%), a large amount of sulfur dioxide is generated after combustion, sulfurous acid is generated after the sulfur dioxide is absorbed by the water, the sulfurous acid is further oxidized into sulfuric acid, and the rear equipment of the boiler is seriously corroded.

The existing steam generator (commonly called as boiler) is a mechanical device which heats water into hot water or steam by using the heat energy of fuel or other energy sources, the original meaning of a boiler is a water container heated on fire, a furnace is a place for burning fuel, and the boiler comprises two parts, namely the boiler and the furnace. The steam generator is a biomass fuel for combustion, the biomass fuel contains very low sulfur, sulfur dioxide generated by combustion is very little, but the existing steam generator does not have the function of waste heat recovery, so that heat in steam is dissipated in the air, the waste of resources is caused, and the practicability of the steam generator is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steam generator waste heat recovery device to solve above-mentioned technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: a steam generator waste heat recovery device comprises a waste heat recovery device body, wherein a generator water inlet is formed in the upper end of the waste heat recovery device body, a box body is arranged on one side, away from the waste heat recovery device body, of the generator water inlet, a box body water outlet is formed in one side, close to the waste heat recovery device body, of the box body, and a connecting pipe is connected between the box body water outlet and the generator water inlet;

the box body comprises a water tank, a smoke box connected to the bottom surface of the water tank and a fixing seat used for fixing the box body to the ground, the smoke box is connected with the fixing seat, a smoke inlet pipe and a smoke outlet pipe are vertically arranged on the water tank, the upper end of the smoke inlet pipe penetrates through the upper end surface of the water tank and is provided with an input smoke inlet, the lower end of the smoke inlet pipe penetrates through the lower end surface of the water tank and extends into the smoke box, an input smoke outlet is formed in one end, extending into the smoke box, of the smoke inlet pipe, the upper end of the smoke outlet pipe penetrates through the upper end surface of the water tank and is provided with an output smoke outlet, the lower end of the smoke outlet pipe penetrates through the lower end surface of the water tank and extends into the smoke box, and an output smoke inlet is formed in one end.

Preferably, the part of the circumferential outer wall of the smoke inlet pipe and the smoke outlet pipe, which is positioned in the water tank, is provided with fins, and the fins are arranged at equal intervals along the height direction.

Preferably, the outer thread is processed on the circumference outer wall of the bottom end of the smoke inlet pipe, the ash collecting cover is connected to the outer thread in the processing of the smoke inlet pipe, the outer thread is processed on the circumference outer wall of the bottom end of the smoke outlet pipe, the ash collecting cover is connected to the outer thread in the processing of the smoke outlet pipe, and a plurality of smoke holes are uniformly formed in the circumference wall of the ash collecting cover.

Preferably, the fixing base upper surface has been seted up the spout, and it has the deashing box to slide in the spout, the deashing box has been seted up the ash collecting groove near one side of collection ash cover, still is provided with the handle of being convenient for pull out it on the deashing box, and the deashing box is located collection ash cover under.

Preferably, one side of the smoke box close to the waste heat recovery device body is further provided with an ash removal door.

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

the smoke generated by the waste heat recovery device body through burning biomass is discharged from the input smoke inlet, and is discharged into the smoke box through the input smoke outlet, the smoke in the smoke box enters the output smoke inlet and is discharged from the output smoke outlet, the smoke inlet and the smoke outlet continuously generate heat in the process, the water discharged from the water inlet of the box body can continuously generate heat exchange reaction with the smoke inlet and the smoke outlet to heat the water, the water is discharged into the waste heat recovery device body through the water pump after being heated, the time of the steam generator for heating the water can be reduced, the smoke is utilized to preheat the water, the water has relatively high temperature, the effect of waste heat recovery is achieved, the energy consumption of the waste heat recovery device body for heating the water is reduced, the waste heat recovery device is more energy-saving and environment-friendly, and is worthy of popularization and use.

Drawings

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

FIG. 1 is a schematic view showing the structure inside the cabinet;

FIG. 2 is a schematic view showing the structure of the smoke inlet tube and the smoke outlet tube.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a waste heat recovery device body; 2. a generator water inlet; 3. a box body; 4. a water outlet of the box body; 5. a connecting pipe; 6. a water tank; 7. a smoke box; 8. a fixed seat; 9. a smoke inlet pipe; 10. discharging the smoke tube; 11. inputting the smoke inlet; 12. inputting the cigarette into a cigarette outlet; 13. an output smoke inlet; 14. an output smoke outlet; 15. a water inlet of the box body; 16. a fin; 17. and a dust removing door.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a steam generator waste heat recovery device comprises a waste heat recovery device body 1, wherein a generator water inlet 2 is formed in the upper end of the waste heat recovery device body 1, a box body 3 is arranged on one side, away from the waste heat recovery device body 1, of the generator water inlet 2, a box body water outlet 4 is formed in one side, close to the waste heat recovery device body 1, of the box body 3, and a connecting pipe 5 is connected between the box body water outlet 4 and the generator water inlet 2;

the box body 3 comprises a water tank 6, a smoke box 7 connected to the lower bottom surface of the water tank 6 and a fixing seat 8 used for fixing the box body 3 on the ground, the smoke box 7 is connected with the fixing seat 8, the water tank 6 is vertically provided with a smoke inlet pipe 9 and a smoke outlet pipe 10, the upper end of the smoke inlet pipe 9 penetrates through the upper end surface of the water tank 6 and is provided with an input smoke inlet 11, the lower end of the smoke inlet pipe 9 penetrates through the lower end surface of the water tank 6 and extends into the smoke box 7, one end of the smoke inlet pipe 9 extending into the smoke box 7 is provided with an input smoke outlet 12, the upper end of the smoke outlet pipe 10 penetrates through the upper end surface of the water tank 6 and is provided with an output smoke outlet 14, the lower end of the smoke outlet pipe 10 penetrates through the lower end surface of the water tank 6 and extends into the smoke box 7, one end of the smoke outlet pipe 10 extending into the smoke box 7 is provided.

Specifically, the part of the circumferential outer wall of the smoke inlet pipe 9 and the smoke outlet pipe 10, which is positioned in the water tank 6, is provided with the fins 16, so that the heat exchange area is increased by arranging the fins 16, the smoke inlet pipe 9 and the smoke outlet pipe 10 can exchange heat with water better, and the heat exchange process is accelerated.

Specifically, the fins 16 are annular, and a plurality of fins 16 are arranged at equal intervals along the height direction of the smoke outlet pipe 10, so that the heat conduction performance of the continuously welded annular fins 16 is better, and the heat exchange performance can be further enhanced by arranging a plurality of fins at equal intervals.

Specifically, the ash removal door 17 is further arranged on one side, close to the waste heat recovery device body 1, of the smoke box 7, and the ash removal door 17 can be used when cleaning is needed.

One specific application example of this embodiment is:

when the device is used, the smoke generated by biomass combustion of the waste heat recovery device body 1 is discharged into the smoke inlet pipe 9 through the smoke inlet 11 and is discharged into the smoke box 7 through the smoke outlet 12, and the smoke in the smoke box 7 is discharged into the smoke inlet pipe 10 through the smoke inlet 13 and is discharged through the smoke outlet 14; the continuous exhaust process of discharging into of flue gas makes into tobacco pipe 9 and goes out tobacco pipe 10 and generate heat constantly, can carry out the heat transfer to the water of discharging into in the water tank 6 by box water inlet 15, it can accelerate heat transfer process with the setting that goes out tobacco pipe 10 through fin 16 to advance tobacco pipe 9, water is used in being discharged to waste heat recovery device body 1 by box delivery port 4 after being heated, it can reduce steam generator to the time of water heating, utilize the flue gas to preheat water, make water itself possess relatively higher temperature, reach waste heat recovery's effect with this, the energy consumption when having reduced steam generator to the water heating, and is more energy-concerving and environment-protective, and is worth using widely.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims (4)

1. The utility model provides a steam generator waste heat recovery device, includes waste heat recovery device body (1), waste heat recovery device body (1) upper end is equipped with generator water inlet (2), its characterized in that: a box body (3) is arranged on one side, away from the waste heat recovery device body (1), of the generator water inlet (2), a box body water outlet (4) is formed in one side, close to the waste heat recovery device body (1), of the box body (3), and a connecting pipe (5) is connected between the box body water outlet (4) and the generator water inlet (2);

the box body (3) comprises a water tank (6), a smoke box (7) connected to the lower bottom surface of the water tank (6) and a fixing seat (8) used for fixing the box body (3) on the ground, the smoke box (7) is connected with the fixing seat (8), the water tank (6) is vertically provided with a smoke inlet pipe (9) and a smoke outlet pipe (10), the upper end of the smoke inlet pipe (9) penetrates through the upper end surface of the water tank (6) and is provided with an input smoke inlet (11), the lower end of the smoke inlet pipe (9) penetrates through the lower end surface of the water tank (6) and extends into the smoke box (7), one end of the smoke inlet pipe (9) extending into the smoke box (7) is provided with an input smoke outlet (12), the upper end of the smoke outlet pipe (10) penetrates through the upper end surface of the water tank (6) and is provided with an output smoke outlet (14), the lower end of the smoke outlet pipe (10) penetrates through the lower end surface of the water tank (6) and extends into the smoke box (7), one end of the smoke outlet pipe (10), and a water inlet (15) of the tank body is formed in the end face, far away from the waste heat recovery device body (1), of one side of the water tank (6).

2. The waste heat recovery device of the steam generator as claimed in claim 1, wherein: fins (16) are arranged on the circumferential outer walls of the smoke inlet pipe (9) and the smoke outlet pipe (10) in the water tank (6).

3. The steam generator waste heat recovery device of claim 2, wherein: the fins (16) are annular, and the fins (16) are arranged in a plurality and are arranged at equal intervals along the height direction of the smoke outlet pipe (10).

4. The waste heat recovery device of the steam generator as claimed in claim 1, wherein: and an ash removal door (17) is further arranged on one side, close to the waste heat recovery device body (1), of the smoke box (7).

Images