CN219511280U - Sintering furnace air inlet device with circulation function - Google Patents

Abstract

The utility model relates to the technical field of sintering furnace air inlet equipment, in particular to a sintering furnace air inlet device with a circulating function, which comprises a furnace body, a furnace cover plate and a heat preservation tank, wherein a bracket is fixedly arranged at the bottom of the furnace body, furnace cover plates are respectively and spirally arranged at two ends of the furnace body, a plurality of connecting frames are fixedly connected to the inner wall of the furnace body, a plurality of through holes are respectively arranged on the connecting frames, and the heat preservation tank is fixedly arranged at one end, far away from the furnace body, of each connecting frame. According to the utility model, through the arrangement of the heat insulation cavity, the air inlet pipe, the air outlet pipe, the heat preservation tank, the heating mechanism, the discharging box and the like, in the sintering process, the air flow entering the air gathering cavities at the two ends of the discharging box can be effectively ensured to be the same through the air inlet hole, and the air flow passing through each layer of partition plate from the air inlet hole after the air is uniformly distributed can be ensured to be basically the same, so that the air flow can uniformly pass through each layer of partition plate in the discharging box, and the effects of improving the performance and consistency of the sintered parts and the like are realized.

Description

Sintering furnace air inlet device with circulation function

Technical Field

The utility model relates to the technical field of sintering furnace air inlet equipment, in particular to a sintering furnace air inlet device with a circulation function.

Background

The sintering furnace is special equipment for crushing powder to obtain the required physical and mechanical properties and microstructure through the knots, and protective gas is required to be introduced into the sintering furnace in the working process of the sintering furnace so as to ensure the quality of the knots.

At present, the existing sintering furnace air inlet equipment is characterized in that a gas driving pipe penetrates through a furnace wall or a hearth to utilize a furnace body to enter air, the furnace body is greatly improved, the pipe body is buried into the furnace body and has corrosion, maintenance is inconvenient, meanwhile, uneven air flow can also lead to uneven temperature distribution in a material box, and therefore the parts in the same material box are different in performance obtained after sintering, for example, parameters such as size and density of the parts are inconsistent.

Disclosure of Invention

The utility model aims to provide a sintering furnace air inlet device with a circulation function, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a fritting furnace air inlet unit with circulation function, includes furnace body, bell board and heat preservation jar, the bottom fixed mounting of furnace body has the support, equal screw thread installs the cover plate on the both ends of furnace body, fixedly connected with a plurality of link on the inner wall of furnace body, all be provided with a plurality of opening on the link, a plurality of common fixed mounting has the heat preservation jar on the one end that the furnace body was kept away from to the link, equal screw thread installs the heat preservation jar apron on the both ends of heat preservation jar, the inside fixed mounting of heat preservation jar has heating mechanism and blowing case, the blowing case is located heating mechanism's inside, be provided with the thermal insulation chamber between furnace body and the heat preservation jar.

Preferably, the heating mechanism comprises two mounting rings, a plurality of fixing columns are fixedly connected to one ends, close to the heat preservation tank, of the mounting rings, the fixing columns are fixedly installed on the inner wall of the heat preservation tank, and a plurality of heating pipes are fixedly installed at one ends, far away from the fixing columns, of the mounting rings.

Preferably, a plurality of baffles are installed on both sides of the inner walls of the two ends of the discharging box in a clamping mode, a first door plate and a second door plate are installed on both ends of the discharging box in a clamping mode, the first door plate is located inside the second door plate, and a gas collecting cavity is arranged between the first door plate and the second door plate.

Preferably, a plurality of air inlets are formed in the first door plate, a first connecting pipe is fixedly connected to the bottom surface of the inner wall of the air collecting cavity, the first connecting pipe fixedly penetrates through the heat insulation tank and the furnace body to be located outside the furnace body, an air inlet pipe is fixedly connected to the bottom of the first connecting pipe, a first air valve is fixedly mounted on the air inlet pipe, and the first connecting pipe is communicated with the air collecting cavity.

Preferably, a second connecting pipe is fixedly arranged at the top of the discharging box, the second connecting pipe is communicated with the discharging box, and a safety valve is fixedly arranged on the second connecting pipe.

Preferably, an air outlet pipe is fixedly arranged on the bottom surface of the inner wall of the discharging box, the air outlet pipe fixedly penetrates through the heat insulation tank and the bottom of the furnace body, a second air valve is fixedly arranged on the air outlet pipe, and the air outlet pipe is communicated with the discharging box.

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

according to the utility model, through the arrangement of the heat insulation cavity, the air inlet pipe, the air outlet pipe, the heat preservation tank, the heating mechanism, the discharging box and the like, in the sintering process, the air flow entering the air gathering cavities at the two ends of the discharging box can be effectively ensured to be the same through the air inlet hole, and the air flow passing through each layer of partition plate from the air inlet hole after the air is uniformly distributed can be ensured to be basically the same, so that the air flow can uniformly pass through each layer of partition plate in the discharging box, and the effects of improving the performance and consistency of the sintered parts and the like are realized.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a cross-sectional structure of a furnace body according to the present utility model;

FIG. 3 is a schematic view of the overall cross-sectional structure of the present utility model;

FIG. 4 is a schematic view of a heating mechanism according to the present utility model;

fig. 5 is a schematic diagram of a sectional structure of the discharge box of the present utility model.

In the figure: 1. a furnace body; 101. a thermal insulation chamber; 102. a connecting frame; 103. a through port; 2. a furnace cover plate; 3. a bracket; 4. an air inlet pipe; 5. a first air valve; 6. an air outlet pipe; 7. a second air valve; 8. a heat preservation tank; 801. a cover plate of the heat preservation tank; 9. a heating mechanism; 901. a mounting ring; 902. heating pipes; 903. fixing the column; 10. discharging boxes; 1001. a first connection pipe; 11. a second connection pipe; 1101. a safety valve; 12. a first door panel; 13. a second door panel; 14. a gas collecting cavity; 15. an air inlet hole; 16. a partition board.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.

Example 1:

referring to fig. 1 to 5, the present utility model provides a technical solution:

the utility model provides a fritting furnace air inlet unit with circulation function, including furnace body 1, bell plate 2 and heat preservation jar 8, the bottom fixed mounting of furnace body 1 has support 3, equal screw thread installs on the both ends of furnace body 1 cover plate 2, fixedly connected with a plurality of link 102 on the inner wall of furnace body 1, all be provided with a plurality of through-hole 103 on the link 102, common fixed mounting has heat preservation jar 8 on the one end that furnace body 1 was kept away from to a plurality of link 102, equal screw thread installs heat preservation jar cover plate 801 on the both ends of heat preservation jar 8, the inside fixed mounting of heat preservation jar 8 has heating mechanism 9 and blowing case 10, blowing case 10 is located the inside of heating mechanism 9, be provided with thermal insulation chamber 101 between furnace body 1 and the heat preservation jar 8.

In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the heating mechanism 9 includes two mounting rings 901, one end of the two mounting rings 901 close to the insulation tank 8 is fixedly connected with a plurality of fixing columns 903, the fixing columns 903 are fixedly mounted on the inner wall of the insulation tank 8, and one end of the two mounting rings 901 far from the fixing columns 903 is fixedly mounted with a plurality of heating pipes 902.

In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, a plurality of partition boards 16 are installed on two sides of the inner walls of two ends of the discharge box 10 in a clamping manner, a first door plate 12 and a second door plate 13 are installed on two ends of the discharge box 10 in a clamping manner, the first door plate 12 is located inside the second door plate 13, and a gas-collecting cavity 14 is arranged between the first door plate 12 and the second door plate 13.

In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, a plurality of air inlets 15 are formed on the first door plate 12, a first connecting pipe 1001 is fixedly connected to the bottom surface of the inner wall of the air collecting cavity 14, the first connecting pipe 1001 fixedly penetrates through the insulation tank 8 and the furnace body 1 to be located outside the furnace body 1, an air inlet pipe 4 is fixedly connected to the bottom of the first connecting pipe 1001, a first air valve 5 is fixedly mounted on the air inlet pipe 4, and the first connecting pipe 1001 is communicated with the air collecting cavity 14.

In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, a second connecting pipe 11 is fixedly installed on the top of the discharge box 10, the second connecting pipe 11 is communicated with the discharge box 10, and a safety valve 1101 is fixedly installed on the second connecting pipe 11.

In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, an air outlet pipe 6 is fixedly installed on the bottom surface of the inner wall of the discharge box 10, the air outlet pipe 6 fixedly penetrates through the insulation tank 8 and the furnace body 1 to be located at the bottom of the furnace body 1, a second air valve 7 is fixedly installed on the air outlet pipe 6, and the air outlet pipe 6 is communicated with the discharge box 10.

The application method and the advantages of the utility model are as follows: when the sintering furnace air inlet equipment with the circulation function is used, the working process is as follows:

as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, firstly, an external power supply is carried out on electric equipment in the device, when the device is used, required gas is discharged into the gas collecting cavity 14 through the gas inlet pipe 4, the same gas flow rate of the gas entering the gas collecting cavities 14 at two ends of the discharging box 10 can be effectively ensured through the gas inlet holes 15, and the gas flow rate of the gas passing through each layer of partition plate 16 from the gas inlet holes 15 is basically the same after the gas is uniformly distributed, so that the gas flow can uniformly pass through each layer of partition plate 16 in the discharging box 10, the effects of improving the performance and consistency of the sintered parts are realized, and the like, and after the sintering is finished, the waste gas is discharged through the gas outlet pipe 6 by opening the second air valve 7.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a fritting furnace air inlet unit with circulation function, includes furnace body (1), bell board (2) and heat preservation jar (8), its characterized in that: the utility model discloses a furnace body, including furnace body (1), furnace body (8), furnace body (1) and blowing case (10), support (3) are installed to the bottom fixed mounting of furnace body (1), equal screw thread installs on the both ends of furnace body (1) apron (2), fixedly connected with a plurality of link (102) on the inner wall of furnace body (1), all be provided with a plurality of through-hole (103) on link (102), a plurality of on the one end that furnace body (1) was kept away from to link (102) common fixed mounting has insulation can (8), equal screw thread installs insulation can apron (801) on the both ends of insulation can (8), the inside fixed mounting of insulation can (8) has heating mechanism (9) and blowing case (10), blowing case (10) are located the inside of heating mechanism (9), be provided with between furnace body (1) and insulation can (8) and separates thermal chamber (101).

2. The sintering furnace air inlet device with a circulation function according to claim 1, wherein: the heating mechanism (9) comprises two mounting rings (901), a plurality of fixing columns (903) are fixedly connected to one ends, close to the heat preservation tank (8), of the mounting rings (901), the fixing columns (903) are fixedly installed on the inner wall of the heat preservation tank (8), and a plurality of heating pipes (902) are fixedly installed at one ends, far away from the fixing columns (903), of the mounting rings (901).

3. The sintering furnace air inlet device with a circulation function according to claim 1, wherein: the novel discharging box is characterized in that a plurality of partition plates (16) are mounted on two sides of the inner walls of two ends of the discharging box (10) in a clamping mode, a first door plate (12) and a second door plate (13) are mounted on two ends of the discharging box (10) in a clamping mode, the first door plate (12) is located inside the second door plate (13), and a gas collecting cavity (14) is formed between the first door plate (12) and the second door plate (13).

4. A sintering furnace air inlet device with circulation function according to claim 3, characterized in that: a plurality of inlet port (15) have been seted up on first door plant (12), fixedly connected with first connecting pipe (1001) on the inner wall bottom surface of chamber (14) gathers, first connecting pipe (1001) are fixed run through insulation can (8) and furnace body (1) and are located the outside of furnace body (1), the bottom fixedly connected with intake pipe (4) of first connecting pipe (1001), fixedly mounted has first air valve (5) on intake pipe (4), first connecting pipe (1001) and chamber (14) intercommunication setting.

5. The sintering furnace air inlet device with a circulation function according to claim 1, wherein: the top of the discharging box (10) is fixedly provided with a second connecting pipe (11), the second connecting pipe (11) is communicated with the discharging box (10), and the second connecting pipe (11) is fixedly provided with a safety valve (1101).

6. The sintering furnace air inlet device with a circulation function according to claim 1, wherein: the utility model discloses a blowing box, including blowing box (10), inner wall bottom surface, heat preservation jar (8) and furnace body (1) are located the bottom of furnace body (1) in fixed mounting, outlet duct (6) are last fixed mounting has second air valve (7), outlet duct (6) and blowing box (10) intercommunication setting.