CN221279999U - Tail gas treatment device for stable furnace - Google Patents

Abstract

The utility model relates to the technical field of furnace tail gas treatment, in particular to a stable furnace tail gas treatment device, which comprises a supporting plate, wherein a chimney is arranged at the lower end of the supporting plate, a connecting frame is fixedly connected at the upper end of the supporting plate in a penetrating way, at least two fixing blocks are fixedly connected between the lower end of the supporting plate and the outer wall of the chimney, the fixing blocks are uniformly distributed outside the chimney, an exhaust port of the chimney is penetrated upwards from the bottom of the supporting plate, the chimney is fixedly connected with the connecting frame in a penetrating way, an exhaust cover is fixedly connected at the upper end of the connecting frame in a penetrating way, an air outlet of the exhaust cover is penetrated at the upper end of the exhaust cover, and the central axes of the air outlet and the exhaust port of the chimney coincide; the left part of the outer surface of the exhaust hood is connected with a glow heater in a penetrating way. According to the tail gas treatment device for the stable furnace, provided by the utility model, the gas can stay below the baffle for a long time through the blocking of the baffle, and the gas is ignited by the heater to fully burn.

Description

Tail gas treatment device for stable furnace

Technical Field

The utility model relates to the technical field of tail gas treatment for furnaces, in particular to a stable tail gas treatment device for furnaces.

Background

The heat treatment furnace is an electric furnace or a fuel furnace for heating furnace burden heat treatment, the common heat treatment furnace comprises a box-type resistance furnace, a well-type resistance furnace, a gas carburizing furnace, a salt bath furnace and the like, a large amount of tail gas can be generated in the use process of the heat treatment furnace, and the use process of the tail gas treatment device for the existing stable furnace at least has the following defects: 1. the tail gas discharge port of the heat treatment furnace is generally large in gas quantity and high in speed, and combustible gas is not burnt out; 2. when the existing equipment is even excessive in unburned gas, flames in a hearth can be brought out, so that an exhaust hood fires, and the unburned combustible gas can not be directly discharged into air under actual working conditions, so that a novel tail gas treatment device for a stable furnace is provided.

Disclosure of utility model

The utility model mainly aims to provide a tail gas treatment device for a stable furnace, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides a stable tail gas treatment device for stove, includes the backup pad, the backup pad lower extreme is provided with the chimney, backup pad upper end is interlude fixedly connected with linking frame, fixedly connected with at least two fixed blocks between backup pad lower extreme and the outer wall of chimney, the fixed block is evenly distributed outside the chimney, the gas vent of chimney upwards interlude from the backup pad bottom, chimney and linking frame pass through fixedly connected, linking frame upper end pass through fixedly connected with exhaust hood, exhaust hood upper end pass through be the gas outlet of exhaust hood, gas outlet and the gas vent central axis coincidence of chimney;

The left part of the outer surface of the exhaust hood is connected with a glow heater in a penetrating way, and the middle part of the left end of the supporting plate is fixedly connected with an electric control device of the glow heater.

Preferably, the right part of the inner frame wall of the exhaust hood is fixedly connected with a first fixing plate, and the left end of the first fixing plate is fixedly connected with a baffle plate.

Preferably, the inside fixedly connected with No. two fixed plates of connecting frame of exhaust hood inside, and No. two fixed plates press close to the chimney outer wall and set up, no. two fixed plate upper end fixedly connected with pointed end open-ended back taper guide board.

Preferably, the second fixing plate and the inverted cone-shaped guide plate are both positioned below the baffle plate and the glow heater.

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

1. The baffle plate is connected with the inner frame wall of the exhaust hood, the shape of the baffle plate is set according to the exhaust hood, one side of the baffle plate is fixedly connected with the exhaust hood, gas can stay under the baffle plate for a long time through the baffle plate, the gas is ignited by the glow heater, the gas is fully combusted, and gaps are reserved between the periphery of the baffle plate and the exhaust hood for exhausting tail gas;

2. Through setting up the baffle, if there is the condition of smoldering at tail gas treatment in-process, the baffle can play the effect that blocks to the flame, and further, in glow heater's below, be provided with back taper guide board, guide tail gas upwards flows from back taper's discharge port, direct and glow heater contact, has avoided tail gas to follow the untreated just discharge all around of baffle.

Drawings

FIG. 1 is a schematic view showing the overall structure of a stable type exhaust gas treatment apparatus for a furnace according to the present utility model;

FIG. 2 is a schematic diagram showing the connection of a first fixing plate of a tail gas treatment device for a stable furnace according to the present utility model;

FIG. 3 is a schematic diagram showing the connection of an inverted cone-shaped guide plate of the tail gas treatment device for the stable furnace;

fig. 4 is a plan view of a stable type exhaust gas treatment apparatus for a furnace according to the present utility model.

In the figure: 1. a support plate; 2. a connection frame; 3. a fixed block; 4. a chimney; 5. an exhaust hood; 6. an air outlet; 7. a glow heater; 8. an electric control device; 9. a first fixing plate; 10. a baffle; 11. a second fixing plate; 12. an inverted cone guide plate.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the present utility model provides a technical solution:

The utility model provides a stable tail gas treatment device for stove, the device cover is established in the gas vent department of chimney 4, including backup pad 1, backup pad 1 upper end is interlude fixedly connected with linking frame 2, fixedly connected with at least two fixed blocks 3 between backup pad 1 lower extreme and the outer wall of chimney 4, fixed block 3 is evenly distributed outside chimney 4, be used for stabilizing backup pad 1, the gas vent of chimney 4 upwards interlude from backup pad 1 bottom, chimney 4 and linking frame 2 pass through fixedly connected, linking frame 2 upper end pass through fixedly connected with exhaust hood 5, exhaust hood 5 upper end pass through be exhaust hood 5's gas outlet 6, gas outlet 6 and chimney 4's gas vent central axis coincidence;

In the embodiment, a glow heater 7 is connected to the left part of the outer surface of the exhaust hood 5 in a penetrating way, and an electric control device 8 of the glow heater 7 is fixedly connected to the middle part of the left end of the supporting plate 1; the right part of the inner frame wall of the exhaust hood 5 is fixedly connected with a first fixing plate 9, the left end of the first fixing plate 9 is fixedly connected with a baffle plate 10, the baffle plate 10 is positioned below the air outlet 6 and above the glow heater 7, the shape of the baffle plate 10 is set according to the exhaust hood 5, and gaps are reserved between the periphery of the baffle plate 10 and the exhaust hood 5 for exhausting tail gas.

In the embodiment, a second fixing plate 11 is fixedly connected to the inner side of the connecting frame 2 in the exhaust hood 5, the second fixing plate 11 is arranged close to the outer wall of the chimney 4, and the upper end of the second fixing plate 11 is fixedly connected with an inverted cone-shaped guide plate 12 with an opening at the tip; the second fixing plate 11 and the inverted cone-shaped guide plate 12 are both positioned below the glow heater 7, the inverted cone-shaped guide plate 12 forms an airflow contraction opening, and the airflow is guided to be intensively discharged to the vicinity of the glow heater 7, so that the tail gas treatment efficiency is improved; both the second fixing plate 11 and the inverted cone-shaped guide plate 12 are located below the glow heater 7.

In the use process, an exhaust hood 5 is sleeved at an exhaust port of a chimney 4, a baffle 10 is arranged in the exhaust hood 5, a glow heater 7 is arranged below the baffle 10, the shape of the baffle 10 is set according to the exhaust hood 5, the baffle 10 is fixedly connected with a first fixing plate 9, the first fixing plate 9 is fixedly connected with the inner frame wall of the exhaust hood 5, a gap is reserved between the periphery of the baffle 10 and the exhaust hood 5 for exhausting tail gas, when the exhaust gas treatment device is used, the tail gas generated by a heat treatment furnace flows upwards and is blocked by the baffle 10, so that the gas can stay below the baffle 10 for a long time, the gas is fully combusted by the aid of the glow heater 7, and if the condition of flame ignition exists, the baffle 10 can play a role in blocking flames, so that the safety is improved; a circle of open inverted cone-shaped guide plate 12 with an upward tip end is further arranged at the exhaust port of the chimney 4, tail gas is guided to flow upwards from the inverted cone-shaped exhaust port through the inverted cone-shaped guide plate 12 and is directly contacted with the glow heater 7, and the tail gas is prevented from being discharged from the periphery of the tail gas baffle 10 without treatment.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a stable tail gas processing apparatus for stove, includes backup pad (1), its characterized in that: the utility model discloses a chimney, including backup pad (1), connecting frame (2), fixed block (3), chimney (4) are provided with chimney (4) in the lower extreme of backup pad (1), fixedly connected with connecting frame (2) are run through to backup pad (1), fixedly connected with at least two fixed blocks (3) between the outer wall of backup pad (1) lower extreme and chimney (4), fixed block (3) are evenly distributed outside chimney (4), the gas vent of chimney (4) upwards run through from backup pad (1) bottom, chimney (4) and connecting frame (2) are run through fixedly connected, connecting frame (2) upper end is run through fixedly connected with exhaust hood (5), exhaust hood (5) upper end is run through and is gas outlet (6) of exhaust hood (5), gas outlet (6) and the gas vent central axis coincidence of chimney (4);

The glow heater (7) is connected to the left portion of the outer surface of the exhaust hood (5) in a penetrating mode, and the electric control device (8) of the glow heater (7) is fixedly connected to the middle portion of the left end of the supporting plate (1).

2. The stable furnace exhaust gas treatment device according to claim 1, wherein: the right part of the inner frame wall of the exhaust hood (5) is fixedly connected with a first fixing plate (9), and the left end of the first fixing plate (9) is fixedly connected with a baffle plate (10).

3. The stable furnace exhaust gas treatment device according to claim 1, wherein: the inside fixedly connected with No. two fixed plates (11) of connecting frame (2) inside exhaust hood (5), and No. two fixed plates (11) press close to chimney (4) outer wall and set up, no. two fixed plates (11) upper end fixedly connected with pointed end open-ended back taper guide board (12).

4. The stable furnace exhaust gas treatment device according to claim 1, wherein: the second fixing plate (11) and the inverted cone-shaped guide plate (12) are both positioned below the baffle plate (10) and the glow heater (7).