CN220633668U

CN220633668U - Tail gas recovery device of fuel oil and gas boiler

Info

Publication number: CN220633668U
Application number: CN202322251209.2U
Authority: CN
Inventors: 张娟
Original assignee: Dalian Qinde Technology Co ltd
Current assignee: Dalian Qinde Technology Co ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-03-22
Anticipated expiration: 2033-08-22

Abstract

The utility model relates to the technical field of tail gas recovery, and discloses a tail gas recovery device of a fuel gas boiler, which comprises a tail gas pipe, wherein a filter cavity is arranged in the tail gas pipe, and the tail gas recovery device is characterized in that: the utility model discloses a tail gas pipe filter cavity, which is characterized in that two fixing rods are fixedly arranged on the inner wall of a tail gas pipe filter cavity in a mutually-far way, a rotating shaft is rotatably connected between the mutually-close surfaces of the two fixing rods, fan blades and filter plates are respectively arranged on the outer sides of the rotating shafts, the filter plates are inclined on the surfaces of the rotating shafts, a plurality of active carbon adsorption blocks are uniformly distributed on the filter plates by taking the rotating shafts as axes, and the active carbon adsorption blocks are fixedly arranged in the filter plates.

Description

Tail gas recovery device of fuel oil and gas boiler

Technical Field

The utility model relates to the technical field of tail gas recovery, in particular to a tail gas recovery device of an oil-gas-fired boiler.

Background

The boiler is energy conversion equipment, the energy input to the boiler is chemical energy and electric energy in fuel, the boiler outputs steam, high temperature water or organic heat carrier with certain heat energy, in the use process of the boiler, the fuel in the boiler is combusted and then is required to be discharged, however, excessive chemical substances doped in the directly discharged tail gas are directly discharged and are easy to cause harm to the environment and human body, so that the discharged tail gas is required to reach the standard, the tail gas of the boiler is required to be recovered and filtered, the existing recovery and filtration device has larger volume in the actual use process, the use cost is higher for recovering the tail gas of the small-sized boiler, and the waste heat in the tail gas is not reasonably utilized, so that the tail gas recovery device of the fuel gas boiler is researched and improved aiming at the existing structure and the defect, so that the aim of higher practical value is fulfilled.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a tail gas recovery device of an oil-gas-fired boiler, which aims to solve the problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a tail gas recovery unit of fuel gas boiler, includes the tail gas pipe, the inside of tail gas pipe is provided with filter chamber, its characterized in that: the utility model discloses a tail gas pipe filter chamber, including tail gas pipe filter chamber inner wall, the filter plate is equipped with the filter plate, tail gas pipe filter chamber inner wall is kept away from fixed mounting each other has two dead levers, two the dead lever is close to each other and rotates between the face and be connected with the pivot, flabellum and filter plate are installed respectively in the outside of pivot, the filter plate is the slope form in the pivot surface, the filter plate uses the pivot as axle center evenly distributed has a plurality of, inside all fixed mounting of filter plate has the active carbon to adsorb soon, the water pipe is installed to tail gas pipe filter chamber inboard, the water pipe sets up in the filter plate outside, the tail gas pipe is all fixed to run through at both ends of water pipe.

Further, the shape of the water pipe in the tail gas pipe filter cavity is set to be spiral, and the surface area of the water pipe in the tail gas pipe filter cavity is increased by setting the shape of the water pipe in the tail gas pipe filter cavity to improve the contact between high-temperature gas and the surface of the water pipe, so as to improve the heating effect of cold water in the water pipe.

Furthermore, all fixed mounting has the brush in the filter plate outside, the brush all moves about and contradicts the water pipe surface, through making the surface activity of brush and water pipe conflict for the filter plate is when rotating, can drive the brush and brush the dust brush on water pipe surface and fall, thereby reduces the water pipe and uses the dust thickness after a long time, improves the heating effect of high temperature gas to the water pipe.

Further, the quantity of flabellum sets up to two, two the blade of flabellum is dislocation distribution respectively, through setting up the blade of two flabellums to dislocation distribution for high temperature gas is all blowing into two flabellums and rotates the back, improves the turning force that the flabellum drove the pivot, thereby accelerates the rotation of filter plate, makes it more abundant to high temperature gas filter.

Further, an ash collecting box is arranged below the filter cavity of the tail gas pipe, and the falling large-volume dust is precipitated and collected through water in the ash collecting box.

Further, the ash collecting box and the mutually approaching surface of the tail gas pipe are movably connected through a flange screw, and the ash collecting box is detached and replaced through the flange screw so as to clean sewage and dust in the ash collecting box.

The utility model has the technical effects and advantages that:

1. according to the utility model, the fixing rod, the fan blades, the filter plate and the activated carbon adsorption block are arranged, and when the filter plate is used, the fan blades are driven by air flow to rotate, so that after the filter plate rotates, the activated carbon adsorption block on the slightly inclined filter plate can contact harmful substances in the air flow in the rotation process, and therefore, the harmful substances in tail gas are filtered while the air flow transmission rate is not changed, and the practicability of the device is greatly improved.

2. According to the utility model, the water pipe is in a spiral shape, and when the device is used, the shape of the water pipe in the tail gas pipe filter cavity is in a spiral shape, so that the surface area of the water pipe in the tail gas pipe filter cavity is increased, the contact between high-temperature gas and the surface of the water pipe is improved, the heating effect of cold water in the water pipe is improved, and the practicability of the device is greatly improved.

Drawings

Fig. 1 is a schematic cross-sectional structure of the present utility model.

Fig. 2 is a schematic view of a partial enlarged structure at a in fig. 1 according to the present utility model.

Fig. 3 is a schematic view of a partial enlarged structure at B in fig. 1 according to the present utility model.

Fig. 4 is a schematic elevational view of the present utility model.

The reference numerals are: 100. a tail gas pipe; 110. a fixed rod; 111. a fan blade; 112. a filter plate; 113. the activated carbon is fast to adsorb; 114. a water pipe; 115. a brush; 116. a rotating shaft; 120. an ash collecting box; 121. and (5) screwing the flange.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Embodiment one: referring to fig. 1-4, the tail gas recovery device of the fuel gas boiler provided by the utility model comprises a tail gas pipe 100, wherein a filter cavity is arranged in the tail gas pipe 100, two fixing rods 110 are fixedly arranged on the inner wall of the filter cavity of the tail gas pipe 100 in a mutually-far-away manner, a rotating shaft 116 is rotatably connected between the mutually-close surfaces of the two fixing rods 110, fan blades 111 and filter plates 112 are respectively arranged on the outer sides of the rotating shaft 116, the surfaces of the filter plates 112 are inclined, a plurality of filter plates 112 are uniformly distributed by taking the rotating shaft 116 as an axle center, activated carbon adsorption blocks 113 are fixedly arranged in the filter plates 112, a water pipe 114 is arranged on the inner side of the filter cavity of the tail gas pipe 100, the water pipe 114 is arranged on the outer sides of the filter plates 112, and two ends of the water pipe 114 penetrate through the tail gas pipe 100.

Working principle: when in use, the high-temperature tail gas of the fuel gas boiler is discharged through the tail gas pipe 100, when the high-temperature gas passes through the filter cavity of the tail gas pipe 100, the slightly inclined filter plate 112 can be blown by the gas flow, and the activated carbon adsorption speed 113 in the filter plate 112 can be contacted with the tail gas through the plurality of rotating filter plates 112, so that harmful substances in the tail gas can be adsorbed,

through the air current with flabellum 111 blow rotatory, pivoted flabellum 111 can provide faster rotational speed for filter plate 112 through pivot 116, when high temperature gas contacted water pipe 114, high temperature gas can heat water pipe 114 to the cold water of the inside injection of water pipe 114 heats, realizes the recovery of tail gas waste heat.

Embodiment two:

the second embodiment differs from the first embodiment in that: the shape of water pipe 114 in tail gas pipe 100 filter chamber sets up to the heliciform, filter plate 112 outside all fixed mounting has brush 115, brush 115 all activity is contradicted water pipe 114 surface, the quantity of flabellum 111 sets up to two, the blade of two flabellums 111 is dislocation distribution respectively, dust collection box 120 is installed to tail gas pipe 100's filter chamber below, through flange spiral 121 swing joint between dust collection box 120 and the mutually close face of tail gas pipe 100, during the use, through setting up the shape of water pipe 114 to the heliciform, increase the area of contact of high temperature gas and water pipe 114, through the friction of brush 115 and water pipe 114 surface, brush the dust that will adhere at water pipe 114 surface, the big dust that falls can fall into dust collection box 120, deposit the dust that falls through the water that stores in dust collection box 120.

Finally: the foregoing is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the utility model, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.

Claims

1. The utility model provides a tail gas recovery unit of fuel gas boiler, includes tail gas pipe (100), the inside of tail gas pipe (100) is provided with filter chamber, its characterized in that: the utility model discloses a tail gas pipe, including tail gas pipe (100), filter chamber inner wall each other keep away from fixed mounting and have two dead levers (110), two it is connected with pivot (116) to rotate between the face that dead levers (110) are close to each other, flabellum (111) and filter plate (112) are installed respectively in the outside of pivot (116), filter plate (112) are the slope form in pivot (116) surface, filter plate (112) use pivot (116) as axle center evenly distributed have a plurality of, inside all fixed mounting of filter plate (112) has activated carbon to adsorb soon (113), water pipe (114) are installed to tail gas pipe (100) filter chamber inboard, water pipe (114) set up in filter plate (112) outside, water pipe (114) both ends are all fixed run through tail gas pipe (100).

2. The tail gas recovery device of a fuel gas boiler according to claim 1, wherein: the water pipe (114) is arranged in a spiral shape in the filtering cavity of the tail gas pipe (100).

3. The tail gas recovery device of a fuel gas boiler according to claim 1, wherein: the outside of the filter plate (112) is fixedly provided with brushes (115), and the brushes (115) are movably abutted against the surface of the water pipe (114).

4. The tail gas recovery device of a fuel gas boiler according to claim 1, wherein: the number of the fan blades (111) is two, and the blades of the two fan blades (111) are distributed in a staggered mode.

5. The tail gas recovery device of a fuel gas boiler according to claim 1, wherein: an ash collecting box (120) is arranged below the filtering cavity of the tail gas pipe (100).

6. The tail gas recovery device of a fuel gas boiler according to claim 5, wherein: the ash collecting box (120) and the mutually approaching surface of the tail gas pipe (100) are movably connected through a flange screw (121).