CN211876074U

CN211876074U - Energy-saving and emission-reducing hot air recovery device of gas boiler

Info

Publication number: CN211876074U
Application number: CN202020354323.1U
Authority: CN
Inventors: 杜疆; 梁海军; 李倩茹
Original assignee: Jining Zhongyin Electrochemical Co ltd
Current assignee: Jining Zhongyin Electrochemical Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-11-06
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses an energy saving and emission reduction's gas boiler hot air recovery unit, including boiler body, water tank and second box, the top face embedding of boiler body is fixed with first outlet duct, the side end face welding of boiler body has first box, the top face embedding of first box is fixed with the fourth connecting pipe, and the fourth connecting pipe deviates from the one end embedding of first box and fixes the top face at first outlet duct, the one end embedding that first box deviates from boiler body is fixed with the third connecting pipe, the water tank is fixed in the one end that first box deviates from boiler body, and installs the coil pipe in the water tank, the second box is fixed in the one end that the water tank deviates from first box, and the one end embedding that the second box deviates from the water tank is fixed with the second outlet duct, the side end face embedding of second box is fixed with first connecting pipe. The utility model discloses possess the simple operation, conveniently retrieve the better advantage of practicality to the heat.

Description

Energy-saving and emission-reducing hot air recovery device of gas boiler

Technical Field

The utility model relates to a gas boiler hot air recovery technical field specifically is an energy saving and emission reduction's gas boiler hot air recovery unit.

Background

The energy-saving and emission-reducing hot air recovery device for the gas boiler is as follows: the boiler fuel produces nitrogen oxides, mainly NO and NO2, commonly known as nitrogen oxides NOx during combustion, and numerous experimental results show that the combustion unit emits nitrogen oxides, mainly NO, accounting for about 95% on average, and NO2 accounting for only about 5%. The NO produced by the combustion of fuel generally comes mainly from two aspects-is the oxidation of nitrogen in the air used for combustion (combustion air); secondly, the nitride contained in the fuel is thermally decomposed and reoxidized in the combustion process. The former is the major source of NO in most combustion plants.

However, the direct discharge of hot air from the existing gas boiler is likely to cause environmental pollution, and the direct discharge causes a great deal of heat energy waste, resulting in poor practicability.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an energy saving and emission reduction's gas boiler hot-air recovery unit possesses the simple operation, conveniently retrieves and the better advantage of practicality to the heat, has solved current gas boiler hot-air direct discharge and has caused the pollution to the environment easily, and directly discharges the waste that causes a large amount of heat energy, causes the not good problem of practicality.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an energy saving and emission reduction's gas boiler hot-air recovery unit, includes boiler body, water tank and second box, the top face embedding of boiler body is fixed with first outlet duct, the side end face welding of boiler body has first box, the one end embedding that first box deviates from boiler body is fixed with the third connecting pipe, and installs the fan in the third connecting pipe, the water tank is fixed in the one end that first box deviates from boiler body, and installs the coil pipe in the water tank, the one end that the water tank deviates from first box is fixed to the second box, and the one end embedding that the second box deviates from the water tank is fixed with the second outlet duct, the side end face embedding of second box is fixed with first connecting pipe, and the one end embedding that first connecting pipe deviates from the second box is fixed on the coil pipe.

Preferably, the bottom end face welding of boiler body has the support frame, and the support frame is equipped with four altogether, and four relative support frames of support frame are the rectangular array and distribute.

Preferably, a fourth connecting pipe is fixedly embedded in the top end face of the first box body, and one end, deviating from the first box body, of the fourth connecting pipe is fixedly embedded in the top end face of the first air outlet pipe.

Preferably, the inner wall of the first box body is welded with a first chute plate, and a second filter screen is arranged in the first chute plate in a sliding mode.

Preferably, a water inlet pipe is fixedly embedded in the top end face of the water tank, a water outlet pipe is fixedly embedded in the bottom end face of the water tank, and a valve is mounted on the water outlet pipe.

Preferably, a second connecting pipe is fixedly embedded in the top end face of the coil pipe, and one end, deviating from the coil pipe, of the second connecting pipe is fixedly embedded in a third connecting pipe.

Preferably, the inner wall of the second box body is welded with a second sliding groove plate and a third sliding groove plate, a first filter screen and filter cotton are arranged in the second sliding groove plate and the third sliding groove plate in a sliding mode, and cover plates are arranged on the outer surfaces of the second box body and the first box body through hinges.

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

1. the utility model discloses a set up first box, water tank and second box, the boiler body is given vent to anger through first outlet duct when using, gas passes through the fourth connecting pipe when the first outlet duct is given vent to anger and gets into in the first box, carry out preliminary filtration through the second filter screen in the first box, reduce the particulate matter that contains in the gas, and personnel open the fan through external power supply, the fan extracts the gas in the first box and gets into the coil pipe in the water tank through the third connecting pipe, through filling the water in the water tank, the temperature of the gas in the coil pipe of accessible is heated, conveniently carry out heat recovery and utilization, energy saving, and gas gets into in the second box through the first connecting pipe, carry out secondary filtration through the first filter screen and the filter pulp in the second box after the gas gets into, reduce the harmful substance in the gas, make the practicality better, prevent the waste of the energy, and prevent the direct discharge of gas to pollute the environment.

Drawings

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

FIG. 2 is a schematic view of the appearance structure of the present invention;

fig. 3 is a schematic top view of the present invention.

In the figure: 1. a first filter screen; 2. a first connecting pipe; 3. a water outlet pipe; 4. a fan; 5. a second filter screen; 6. a support frame; 7. a boiler body; 8. a first air outlet pipe; 9. a fourth connecting pipe; 10. a first chute plate; 11. a first case; 12. a third connecting pipe; 13. a second connecting pipe; 14. a coil pipe; 15. a water tank; 16. a water inlet pipe; 17. a second chute plate; 18. a third chute plate; 19. filtering cotton; 20. a second case; 21. a second air outlet pipe; 22. and (7) a cover plate.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a hot air recovery device of a gas boiler with energy conservation and emission reduction comprises a boiler body 7, a water tank 15 and a second box body 20, wherein a first air outlet pipe 8 is fixedly embedded in the top end face of the boiler body 7, support frames 6 are welded on the bottom end face of the boiler body 7, the number of the support frames 6 is four, the four support frames 6 are distributed in a rectangular array relative to the support frames 6, a fourth connecting pipe 9 is fixedly embedded in the top end face of a first box body 11, one end, deviating from the first box body 11, of the fourth connecting pipe 9 is fixedly embedded in the top end face of the first air outlet pipe 8, a first chute plate 10 is welded on the inner wall of the first box body 11, a second filter screen 5 is arranged in the first chute plate 10 in a sliding mode, a first box body 11 is welded on the side end face of the boiler body 7, a third connecting pipe 12 is fixedly embedded in one end, deviating from the boiler body 7, of the first box body 11, a fan 4 is installed in, a coil pipe 14 is arranged in the water tank 15, a water inlet pipe 16 is embedded and fixed on the top end surface of the water tank 15, a water outlet pipe 3 is embedded and fixed on the bottom end surface of the water tank 15, a valve is arranged on the water outlet pipe 3, a second connecting pipe 13 is embedded and fixed on the top end surface of the coil pipe 14, one end of the second connecting pipe 13 departing from the coil pipe 14 is embedded and fixed on a third connecting pipe 12, a second tank body 20 is fixed on one end of the water tank 15 departing from the first tank body 11, a second air outlet pipe 21 is embedded and fixed on one end of the second tank body 20 departing from the water tank 15, a first connecting pipe 2 is embedded and fixed on one end of the first connecting pipe 2 departing from the second tank body 20, a second chute plate 17 and a third chute plate 18 are welded on the inner wall of the second tank body 20, and a first filter screen 1 and filter cotton 19 are slidably arranged in the second chute plate 17 and the third chute plate, cover plates 22 are mounted on the outer surfaces of the second box body 20 and the first box body 11 through hinges, through the arrangement of the first box body 11, the water tank 15 and the second box body 20, when the boiler body 7 is used, air is discharged through the first air outlet pipe 8, when the air is discharged through the first air outlet pipe 8, air enters the first box body 11 through the fourth connecting pipe 9, preliminary filtration is carried out through the second filter screen 5 in the first box body 11, particles contained in the air are reduced, a worker opens the fan 4 through an external power supply, the fan 4 extracts the air in the first box body 11 and enters the coil pipe 14 in the water tank 15 through the third connecting pipe 12, through filling water into the water tank 15, the water can be heated through the temperature of the air in the coil pipe 14, heat energy recycling is convenient, energy consumption is saved, the air enters the second box body 20 through the first connecting pipe 2, after the air enters the second box body 20, secondary filtration is carried out through the first filter screen 1 and the filter cotton 19 in, reduce the harmful substance in the gas, make the practicality better, prevent the waste of the energy, and prevent that gas from directly discharging the polluted environment.

The working principle is as follows: giving vent to anger through first outlet duct 8 when boiler body 7 uses, gas gets into first box 11 through fourth connecting pipe 9 when first outlet duct 8 gives vent to anger, carry out the prefilter through second filter screen 5 in first box 11, reduce the particulate matter that contains in the gas, and personnel open fan 4 through external power supply, fan 4 extracts in the gas of first box 11 gets into coil pipe 14 in water tank 15 through third connecting pipe 12, through filling the water in water tank 15, gaseous temperature heats in the water accessible coil pipe 14, conveniently carry out heat recovery and utilize, energy saving, and in gas gets into second box 20 through first connecting pipe 2, carry out the secondary filter through first filter screen 1 in second box 20 and filter pulp 19 after the gas gets into, harmful substance in the reduction gas, make the practicality better, prevent the waste of the energy.

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.

Claims

1. The utility model provides an energy saving and emission reduction's gas boiler hot-air recovery unit, includes boiler body (7), water tank (15) and second box (20), its characterized in that: a first air outlet pipe (8) is embedded and fixed on the top end surface of the boiler body (7), a first box body (11) is welded on the side end face of the boiler body (7), a third connecting pipe (12) is embedded and fixed at one end of the first box body (11) departing from the boiler body (7), and a fan (4) is arranged in the third connecting pipe (12), the water tank (15) is fixed at one end of the first box body (11) departing from the boiler body (7), and a coil pipe (14) is arranged in the water tank (15), the second box body (20) is fixed at one end of the water tank (15) deviating from the first box body (11), a second air outlet pipe (21) is embedded and fixed at one end of the second box body (20) departing from the water tank (15), a first connecting pipe (2) is embedded and fixed on the side end surface of the second box body (20), and one end of the first connecting pipe (2) departing from the second box body (20) is embedded and fixed on the coil pipe (14).

2. The energy-saving emission-reducing hot air recovery device for the gas boiler as claimed in claim 1, wherein: the boiler is characterized in that the bottom end face of the boiler body (7) is welded with four supporting frames (6), and the four supporting frames (6) are distributed in a rectangular array relative to the supporting frames (6).

3. The energy-saving emission-reducing hot air recovery device for the gas boiler as claimed in claim 1, wherein: a fourth connecting pipe (9) is fixedly embedded in the top end face of the first box body (11), and one end, deviating from the first box body (11), of the fourth connecting pipe (9) is fixedly embedded in the top end face of the first air outlet pipe (8).

4. The energy-saving emission-reducing hot air recovery device for the gas boiler as claimed in claim 1, wherein: the inner wall welding of first box (11) has first chute board (10), and slidable mounting has second filter screen (5) in first chute board (10).

5. The energy-saving emission-reducing hot air recovery device for the gas boiler as claimed in claim 1, wherein: the water tank is characterized in that a water inlet pipe (16) is fixedly embedded in the top end face of the water tank (15), a water outlet pipe (3) is fixedly embedded in the bottom end face of the water tank (15), and a valve is mounted on the water outlet pipe (3).

6. The energy-saving emission-reducing hot air recovery device for the gas boiler as claimed in claim 1, wherein: the top end face of the coil pipe (14) is fixedly embedded with a second connecting pipe (13), and one end, deviating from the coil pipe (14), of the second connecting pipe (13) is fixedly embedded on a third connecting pipe (12).

7. The energy-saving emission-reducing hot air recovery device for the gas boiler as claimed in claim 1, wherein: the inner wall welding of second box (20) has second spout board (17) and third spout board (18), and second spout board (17) and third spout board (18) slidable mounting have first filter screen (1) and filter pulp (19), and apron (22) are all installed through the hinge to the surface of second box (20) and first box (11).