CN212158128U

CN212158128U - Heating furnace is used in steel ring production

Info

Publication number: CN212158128U
Application number: CN202020183913.2U
Authority: CN
Inventors: 牛宝
Original assignee: Shandong Yubaojia Heavy Industry Co Ltd
Current assignee: Shandong Yubaojia Heavy Industry Co Ltd
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2020-12-15
Anticipated expiration: 2030-02-19

Abstract

The utility model discloses a heating furnace for steel ring production, which comprises a compressor, a urea denitration reducing agent container, a drying box, a smoke outlet, a furnace body, a furnace chamber, a furnace frame, a blower, a base, a heating structure and a smoke suction hood; the bottom of furnace body is fixed with the base all around, install stair on the base, the internally mounted of furnace chamber has the furnace frame, and the heating structure is installed to the bottom of furnace chamber, and the heating structure is located the furnace frame under, be fixed with the air-blower through the screw on the surface of one side of furnace body, the welding has first fixed plate and second fixed plate on the opposite side surface of furnace body, has compressor and urea denitration reductant container through the bolt fastening respectively on first fixed plate and the second fixed plate, and the drying cabinet is installed through the fixing base in the top of furnace body. The utility model provides a steel rolling heating furnace nitrogen oxide discharge problem that exceeds standard, have simple structure, the energy consumption is low, denitration treatment is effectual advantage.

Description

Heating furnace is used in steel ring production

Technical Field

The utility model relates to a heating furnace application technology field specifically is a heating furnace is used in steel ring production.

Background

The heating furnace is applied to various industrial fields such as petroleum, chemical industry, metallurgy, machinery, heat treatment, surface treatment, building materials, electronics, materials, light industry, daily chemicals, pharmacy and the like. In the metallurgical industry, furnaces are devices that heat a material or workpiece to a rolling-to-forging temperature. The roller hearth furnace is the most common type of heating furnace, a workpiece needing to be heated is conveyed by heat-resistant rollers which are arranged at certain intervals along the length direction of the furnace, and the heat-resistant rollers need to resist high temperature, so that most ceramic materials are adopted, and protective gas is filled in a hearth of the heating furnace to prevent the workpiece from being oxidized at high temperature. A part of the existing steel ring is in contact with the steel ring on the workbench, and a part of the existing steel ring is in contact with air, so that the steel ring is unevenly heated, and the heating efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heating furnace is used in steel ring production to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a heating furnace for steel ring production comprises a compressor, a urea denitration reducing agent container, a drying box, a smoke outlet, a furnace body, a furnace chamber, a furnace frame, a blower, a base, a heating structure and a smoke suction hood; the method is characterized in that: the improved denitration furnace is characterized in that a base is fixed on the periphery of the bottom of the furnace body, a stair is installed on the base, a furnace chamber is arranged in the furnace body, a furnace frame is installed in the furnace chamber, a heating structure is installed at the bottom of the furnace chamber and located under the furnace frame, an air blower is fixed on the outer surface of one side of the furnace body through screws, a first fixing plate and a second fixing plate are welded on the outer surface of the other side of the furnace body, a compressor and a urea denitration reducing agent container are fixed on the first fixing plate and the second fixing plate through bolts respectively, a drying box is installed at the top end of the furnace body through a fixing seat, one side of the drying box is communicated with the urea denitration reducing agent container through an L-shaped pipeline.

Preferably, the compressor passes through the furnace body through a high-temperature resistant compression pipeline, and a pressure controller and a pressure gauge are mounted at the top end of the compressor.

Preferably, the urea denitration reducing agent container is communicated with a furnace chamber of the furnace body through a smoke suction hood, a connecting pipe of the smoke suction hood is provided with an electromagnetic valve, and the top end of the urea denitration reducing agent container is provided with a solvent feeding port.

Preferably, the drying box is filled with a drying agent, and the drying agent is made of soda lime material.

Preferably, a fixed frame is arranged on the furnace frame, the fixed frame is provided with a hearth through a fixing device, a blast pipe is arranged on the outer side of the fixed frame, and a blast port is arranged on one side of the blast pipe.

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

1. the utility model discloses a put blast orifice and air-blower and accelerated the inside circulation of air of heating furnace body, the time of cooling time and rapid heating up who controls the heating furnace body through control wind speed has improved the availability factor of equipment, has solved the problem of the interval time overlength that different steel rings carried out processing under different temperatures.

2. The utility model discloses a be equipped with the furnace wall in the stove outer covering of furnace chamber, the furnace wall adopts high-quality aluminium silicate refractory fibre cotton to fill, and the inner wall adopts the steel sheet encapsulation, and aluminium silicate refractory fibre cotton's heat preservation is effectual, and when the staff was close to the furnace chamber, can not be roasted by the high temperature of the inside and hinder, has protected the security of staff's work, has reduced the emergence of accident rate.

3. The utility model provides a steel ring adds the hot forging in-process and can produce gas, carries out the SOx/NOx removal operation through urea denitration reductant container, and heating furnace denitrification facility has utilized the characteristic that the suitable urea denitration reductant of steel rolling heating furnace body cavity internal temperature directly sprays the reaction and carries out the chemical reduction denitration, has solved the problem that steel rolling heating furnace nitrogen oxide discharges and exceeds standard, has simple structure, the energy consumption is low, advantage that the denitration treatment effect is good.

Drawings

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

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

FIG. 3 is a schematic structural view of a urea denitration reductant container of the present invention;

FIG. 4 is a schematic view of the structure of the stove frame of the present invention;

in the figure: 1. a first fixing plate; 2. a compressor; 3. a second fixing plate; 4. a urea denitration reducing agent container; 5. an L-shaped pipeline; 6. a solvent feed port; 7. a drying oven; 8. a smoke outlet; 9. a furnace body; 10. A furnace chamber; 11. a furnace frame; 111. a fixed mount; 112. a hearth; 113. a blast pipe; 114. a tuyere; 12. a blower; 13. a base; 14. a staircase; 15. a heating structure; 16. a desiccant; 17. a smoke suction hood; 18. an electromagnetic valve.

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. 1-4, the present invention provides an embodiment: a heating furnace for steel ring production comprises a compressor 2, a urea denitration reducing agent container 4, a drying box 7, a smoke outlet 8, a furnace body 9, a furnace chamber 10, a furnace frame 11, a blower 12, a base 13, a heating structure 15 and a smoke absorption hood 17; the improved denitration furnace is characterized in that a base 13 is fixed to the periphery of the bottom of the furnace body 9, a stair 14 is installed on the base 13, a furnace frame 11 is installed inside the furnace body 9, a heating structure 15 is installed at the bottom of the furnace body 9, the heating structure 15 is located under the furnace frame 11, an air blower 12 is fixed to the outer surface of one side of the furnace body 9 through screws, a first fixing plate 1 and a second fixing plate 3 are welded to the outer surface of the other side of the furnace body 10, a compressor 2 and a urea denitration reducing agent container 4 are fixed to the first fixing plate 1 and the second fixing plate 3 through bolts respectively, a drying box 7 is installed on the top end of the furnace body 9 through a fixing seat, one side of the drying box 7 is communicated with the urea denitration reducing agent container 4 through an L-shaped pipeline 5, and.

Preferably, the compressor 2 passes through the furnace body 9 through a high temperature resistant compression pipeline, and a pressure controller and a pressure gauge are installed at the top end of the compressor 2.

Preferably, the urea denitration reducing agent container 4 is communicated with the furnace chamber 10 of the furnace body 9 through a smoke absorption hood 17, a solenoid valve 18 is installed on a connecting pipe of the smoke absorption hood 17, and a solvent feed opening 6 is arranged at the top end of the urea denitration reducing agent container 4.

Preferably, the drying box 7 is filled with a drying agent made of soda lime material, and the drying agent absorbs moisture in the generated gas and discharges the moisture to the air, and is alkaline, so that the acidity in the gas can be further neutralized.

Preferably, the furnace frame 11 is provided with a fixing frame 111, the fixing frame is provided with a hearth 112 through a fixing device, the outer side of the fixing frame 111 is provided with a blast pipe 113, one side of the blast pipe 113 is provided with a blast port 114, the air circulation inside the heating furnace body 9 is accelerated, the cooling time and the rapid heating time of the heating furnace body 9 are controlled by controlling the air speed, the use efficiency of the equipment is improved, and the problem of overlong interval time for processing different steel rings at different temperatures is solved.

The working principle is as follows: when the rapid heating device is used, a worker enters the base 13 through the stairs 14 to operate, the furnace door on the furnace chamber 10 is opened to uniformly distribute steel rings on the furnace frame 11, the worker closes the furnace door after determining the placing position, the heating structure 15 is started through the controller after the furnace door is closed, the air blower 12 is started at the same time, the heating structure 15 can rapidly heat up under the action of the air blower 12, gas generated after heating up is discharged into the atmosphere through the urea denitration reducing agent container 4 for desulfurization and denitrification, and after the preset time of the controller is reached, the worker opens the furnace door and takes out the steel rings.

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. A heating furnace for steel ring production comprises a compressor (2), a urea denitration reducing agent container (4), a drying box (7), a smoke outlet (8), a furnace body (9), a furnace chamber (10), a furnace frame (11), a blower (12), a base (13), a heating structure (15) and a smoke suction hood (17); the method is characterized in that: the device is characterized in that a base (13) is fixed on the periphery of the bottom of the furnace body (9), a stair (14) is installed on the base (13), a furnace chamber (10) is arranged in the furnace body (9), a furnace frame (11) is installed in the furnace chamber (10), a heating structure (15) is installed at the bottom of the furnace chamber (10), the heating structure (15) is located under the furnace frame (11), an air blower (12) is fixed on the outer surface of one side of the furnace body (9) through screws, a first fixing plate (1) and a second fixing plate (3) are welded on the outer surface of the other side of the furnace body (9), a compressor (2) and a urea denitration reducing agent container (4) are fixed on the first fixing plate (1) and the second fixing plate (3) through bolts respectively, a drying box (7) is installed at the top end of the furnace body (9) through a fixing seat, and one side of the drying box (7) is communicated with the urea denitration reducing agent, the other side of the drying box (7) is provided with a smoke outlet (8).

2. The heating furnace for producing steel rings according to claim 1, wherein: the compressor (2) penetrates through the furnace body (9) through a high-temperature-resistant compression pipeline, and a pressure controller and a pressure gauge are installed at the top end of the compressor (2).

3. The heating furnace for producing steel rings according to claim 1, wherein: the urea denitration reducing agent container (4) is communicated with a furnace chamber (10) of the furnace body (9) through a smoke absorption hood (17), an electromagnetic valve (18) is installed on a connecting pipe of the smoke absorption hood (17), and a solvent feeding opening (6) is formed in the top end of the urea denitration reducing agent container (4).

4. The heating furnace for producing steel rings according to claim 1, wherein: the drying box (7) is filled with a drying agent, and the drying agent is made of a soda lime material.

5. The heating furnace for producing steel rings according to claim 1, wherein: the furnace frame (11) is provided with a fixed frame (111), the fixed frame is provided with a hearth (112) through a fixing device, the outer side of the fixed frame (111) is provided with a blast pipe (113), and one side of the blast pipe (113) is provided with a blast port (114).