CN214308199U

CN214308199U - Oxygen enrichment device added in smelting furnace

Info

Publication number: CN214308199U
Application number: CN202120292924.9U
Authority: CN
Inventors: 闫鑫山
Original assignee: Shandong Huashun Environmental Protection Technology Co ltd
Current assignee: Shandong Huashun Environmental Protection Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-09-28
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a smelting furnace increases oxygen boosting device, including furnace hearth, shaft and furnace roof, the furnace hearth is the drum structure for store the crude metal, the periphery of furnace hearth is equipped with the cast steel water jacket, the top of furnace hearth is the shaft, is used for metal smelting, and the shaft comprises the multiunit water jacket, the inboard symmetry in the left and right sides of shaft is equipped with multiunit oxygen boosting gas shower nozzle, and the spray tube is connected to one side of oxygen boosting gas shower nozzle, and the spray tube runs through the lateral wall of shaft and extends to the outside of shaft, the end-to-end connection apotheca of spray tube, one side of apotheca is equipped with the air inlet, the top of shaft is the furnace roof for airtight smelting furnace, the top of furnace roof is equipped with feed inlet and flue gas collecting system respectively. The utility model discloses set up the high temperature flue gas that oxygen boosting gas shower nozzle produced in can effectively reducing the smelting process, have the characteristics of energy consumption low, economic environmental protection, simple structure, long service life.

Description

Oxygen enrichment device added in smelting furnace

Technical Field

The utility model belongs to the technical field of the smelting furnace, specifically be a smelting furnace increases oxygen boosting device.

Background

The smelting furnace is mainly used for treating various non-ferrous metal materials, such as materials containing copper, lead, zinc, nickel, tin, bismuth, indium and gold and silver, and recovering non-ferrous metals such as copper, lead, zinc, tin, bismuth, nickel and the like and rare and precious metals such as gold, silver, platinum, palladium and the like in the materials through treatment.

The furnace body of the existing smelting furnace is built by refractory materials, the refractory materials are difficult to resist high temperature and melt scouring, the refractory materials of the furnace body are easy to damage, in addition, cold air is introduced into the furnace for smelting in the smelting process, no oxygen enrichment is blown, the smelting strength is low (the treatment capacity is small), the smoke gas amount is large, the energy consumption is large, and the environmental pollution is large.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical defects, the utility model provides a smelting furnace with an oxygen enrichment device.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a smelting furnace increases oxygen boosting device, includes hearth, stack and furnace roof, and the hearth is the drum structure for store the crude metal, the periphery of hearth is equipped with the cast steel water jacket, the top of hearth is the stack for metal smelting, the stack comprises the multiunit water jacket, the left and right sides inboard symmetry of stack is equipped with multiunit oxygen boosting gas shower nozzle, and the spray tube is connected to one side of oxygen boosting gas shower nozzle, and the spray tube runs through the lateral wall of stack and extends to the outside of stack, the end-to-end connection apotheca of spray tube, one side of apotheca is equipped with the air inlet, the top of stack is the furnace roof for airtight smelting furnace, the top of furnace roof is equipped with feed inlet and flue gas collecting system respectively.

Preferably, the bottom of the side wall of the hearth is provided with a metal discharge port in the horizontal direction for leading out the smelted metal, and the top of the side wall of the hearth is provided with a slag outlet in the horizontal direction for discharging slag.

Preferably, the included angle between the oxygen-enriched gas spray head and the horizontal direction is 45-60 degrees.

Preferably, the metal discharge hole and the slag outlet are formed by laying chrome magnesia bricks, and the feed inlet is of a flap structure.

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

(1) the utility model is provided with the oxygen-enriched gas spray head, and oxygen is introduced in the smelting process, thereby effectively improving the smelting intensity of the smelting furnace and realizing the separation and discharge of slag phase and crude metal, reducing smoke dust, and being economic and environment-friendly;

(2) the utility model discloses be equipped with water jacket fungible refractory material and can cool off effectively protection smelting furnace equipment fast, extension equipment life.

Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or technical solutions in related arts, the drawings used in the description of the embodiments or related arts will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is an overall view of the oxygen enrichment device added to the smelting furnace of the present invention;

in the figure: 1. the furnace comprises a furnace cylinder, 2, a furnace body, 3, a furnace top, 4, a cast steel water jacket, 5, a metal discharge hole, 6, a slag hole, 7, a water jacket, 8, an oxygen-enriched gas spray head, 9, a spray pipe, 10, a storage chamber, 11, an air inlet, 12, a feed inlet, 13 and a flue gas collecting system.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Spatially relative terms such as "above … …", "above … …", "above … …", "bottom", and the like, may be used herein for ease of description to describe the spatial relationship of one device or feature to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to fig. 1, the oxygen enrichment device for the smelting furnace comprises a furnace hearth 1, a furnace body 2 and a furnace top 3, wherein the furnace hearth 1 is of a cylindrical structure, used for storing crude metal, a cast steel water jacket 4 is arranged on the periphery of the furnace hearth 1, a furnace body 2 is arranged above the furnace hearth 1, the oxygen-enriched gas burner is used for metal smelting, the furnace body 2 consists of a plurality of groups of water jackets 7, a plurality of groups of oxygen-enriched gas nozzles 8 are symmetrically arranged on the left inner side and the right inner side of the furnace body 2, one side of each oxygen-enriched gas nozzle 8 is connected with a spray pipe 9, the spray pipes 9 penetrate through the side wall of the furnace body 2 and extend to the outer side of the furnace body 2, the tail end of the spray pipe 9 is connected with a storage chamber 10, one side of the storage chamber 10 is provided with an air inlet 11, the furnace top 3 is arranged above the furnace body 2, the furnace is used for a closed smelting furnace, a feeding hole 12 and a flue gas collecting system 13 are respectively arranged above the furnace top 3, and the flue gas collecting system 13 can collect gas generated in a furnace body, so that the pollution to the environment is reduced, and the comprehensive utilization efficiency of energy is improved.

Specifically, the lateral wall bottom of hearth 1 is equipped with horizontal direction's metal discharge gate 5 for derive the metal after smelting, the lateral wall top of hearth 1 is equipped with horizontal direction's slag notch 6, is used for discharging the slag.

Further, the included angle between the oxygen-enriched gas spray head 8 and the horizontal direction is 45-60 degrees.

Furthermore, the metal discharge port 5 and the slag outlet 6 are formed by masonry of chrome magnesia bricks to endure higher temperature, the feed inlet 12 is of a turning plate structure, smelting materials are put into the smelting furnace through the feed inlet 12 with the turning plate structure, the time for communicating the internal space of the smelting furnace with the external atmosphere is shortened as far as possible, and therefore smoke in the smelting furnace can be reduced from overflowing to the outside of the furnace and heat in the furnace is prevented from being lost.

When in use, smelting raw materials are added through the feed inlet 12, enter the furnace body 2 through the furnace top 3 and are smelted at the furnace body; oxygen-enriched gas is communicated through an air inlet 11, the oxygen-enriched gas is discharged to a spray pipe 9 through a storage chamber 10, and is finally discharged through an oxygen-enriched gas spray head 8 at the tail end of the spray pipe 9, materials react in a furnace body 2 to generate crude metal and slag, the crude metal and the slag are further separated through the action of the oxygen-enriched gas, the slag phase is discharged through a slag hole 6, the crude metal is periodically discharged through a metal discharge hole 5, and smoke dust generated in the process can be recycled and discharged through a smoke collecting system 13 communicated with a furnace top 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a smelting furnace increases oxygen boosting device, includes furnace hearth (1), shaft (2) and furnace roof (3), its characterized in that: the furnace hearth (1) is of a cylinder structure and is used for storing coarse metal, a cast steel water jacket (4) is arranged on the periphery of the furnace hearth (1), a furnace body (2) is arranged above the furnace hearth (1), used for metal smelting, the furnace body (2) consists of a plurality of groups of water jackets (7), a plurality of groups of oxygen-enriched gas nozzles (8) are symmetrically arranged on the left inner side and the right inner side of the furnace body (2), one side of the oxygen-enriched gas spray head (8) is connected with a spray pipe (9), the spray pipe (9) penetrates through the side wall of the furnace body (2) and extends to the outer side of the furnace body (2), the tail end of the spray pipe (9) is connected with a storage chamber (10), one side of the storage chamber (10) is provided with an air inlet (11), the furnace top (3) is arranged above the furnace body (2), the furnace is used for a closed smelting furnace, and a feeding hole (12) and a flue gas collecting system (13) are respectively arranged above the furnace top (3).

2. The smelting furnace oxygen enrichment device according to claim 1, characterized in that: the lateral wall bottom of furnace hearth (1) is equipped with horizontal direction's metal discharge gate (5) for derive the metal after smelting, the lateral wall top of furnace hearth (1) is equipped with horizontal direction's slag notch (6), is used for discharging the slag.

3. The smelting furnace oxygen enrichment device according to claim 1, characterized in that: the included angle between the oxygen-enriched gas spray head (8) and the horizontal direction is 45-60 degrees.

4. The smelting furnace oxygen enrichment device according to claim 2, characterized in that: the metal discharge hole (5) and the slag outlet (6) are formed by laying chrome magnesia bricks, and the feed inlet (12) is of a flap structure.