CN203728906U

CN203728906U - Fuming furnace

Info

Publication number: CN203728906U
Application number: CN201320720887.2U
Authority: CN
Inventors: 唐成河; 唐海河; 唐宏军; 唐留明; 师习福
Original assignee: ANYANG YUBEI GOLD AND LEAD Corp
Current assignee: ANYANG YUBEI GOLD AND LEAD Corp
Priority date: 2013-11-15
Filing date: 2013-11-15
Publication date: 2014-07-23
Anticipated expiration: 2023-11-15

Abstract

The utility model discloses a fuming furnace for extracting zinc oxide, which belongs to the technical field of metal smelting equipment. The fuming furnace comprises a furnace wall and a feed inlet, wherein the inner wall of the furnace wall is provided with a V-shaped groove in the vertical direction, the furnace wall is provided with natural gas and oxygen ports, and the furnace wall is provided with a cooling device. The fuming furnace disclosed by the utility model is easy to manufacture; when the fuming furnace is applied to extracting zinc oxide from waste residues, the quality of products can be remarkably improved, the service life is prolonged, and the production cost is reduced.

Description

Fuming furnace

Technical field

The utility model relates to a kind of fuming furnace, and particularly a kind of fuming furnace that extracts zinc oxide, belongs to metal melting equipment technical field.

Background technology

Non-ferrous metal metallurgy is a traditional industry at home, smelting furnace is one of major equipment of smelting, from melting waste slag, extract zinc, during the high temperature volatile metals such as tin, generally adopt smelting furnace, take zinc oxide as example, the smelting furnace that at present domestic traditional waste residue extracts zinc oxide employing has two kinds of modes, the one, adopt the burnt grain of solid-state cold slag mixing or coal grain to produce with kiln, this kiln and extraction process power consumption are higher, the rate of recovery is low, be unfavorable for energy-saving and cost-reducing and improve the quality of products and reduce costs, the 2nd, vertical fuming furnace, this raw materials technology adopts liquid warm sludge, with coal dust, make reductive agent, fuming furnace adopts steel water cycle water jacket to do body of heater furnace wall, although power consumption decreases compared with kiln, but when at high temperature waste residue rolls in stove in smelting process, stove inwall is impacted and washes away larger, the inner wall abrasion that steel water jacket is made and destruction are very fast, the life-span of steel water jacket inwall on average only has 3 months, change frequently and maintenance cause such fuming furnace and the consumption of extraction process consumptive material very large, but also after can inwall often occurring and being worn through, water coolant is directly sprayed onto the industrial accident on warm sludge, have a strong impact on and produce and personnel safety, equipment operating efficiency is low.

Summary of the invention

The purpose of this utility model is to overcome that current fuming furnace is short in the life-span, cost is high, security is low, the defect aspect the limitation of material choice, and a kind of fuming furnace is provided.

For realizing the purpose of this utility model, the technical scheme that the utility model adopts is: fuming furnace, comprise furnace wall, opening for feed, described furnace wall inwall is provided with the V-shaped groove of vertical direction, on described furnace wall, be provided with and comprise Sweet natural gas and oxygen port, on described furnace wall, be provided with refrigerating unit, described V-shaped groove arranges along the circumferential interval of inwall, two adjacent rings V-shaped groove misplaces and is arranged alternately up and down, described two adjacent rings V-shaped groove misplaces and is arranged alternately up and down, in a horizontal direction, the bottom closest range of two adjacent V-shaped grooves is equal to or less than the maximum distance on V-shaped groove peristome both sides, described V-shaped groove is the first half of V-arrangement, the cross section of V-shaped groove above-below direction is isosceles trapezoid, described trapezoidal upper edge lengths is greater than base length, described V-shaped groove arranges along the circumferential interval of inwall, two adjacent rings V-shaped groove misplaces and is arranged alternately up and down, described two adjacent rings V-shaped groove misplaces and is arranged alternately up and down, in a horizontal direction, the bottom closest range of two adjacent V-shaped grooves is equal to or less than the maximum distance on V-shaped groove peristome both sides, the described closest range of the peristome of two adjacent V-shaped grooves in a horizontal direction is less than the length on trapezoidal base, described refrigerating unit is water-cooled tube, described water-cooled tube is embedded in furnace wall while casting

The useful technique effect of the fuming furnace that the utility model provides is: V-shaped groove is set during the casting of furnace wall inwall, the pressure that washes away to inwall when V-shaped groove can be alleviated the rolling of the slag in stove under high temperature on inwall, while reduce smelting, waste residue is to the impact of inwall with wash away the fuming furnace inner wall abrasion causing, the utility model is when casting, furnace wall adopts copper, when casting, furnace wall imbeds copper pipe as water-cooled tube, this furnace wall radiating effect is very good, in smelting process, heat is easy to draw or shed, in the situation that guarantee smelting high temperature, in use temperature can be too not high in furnace wall, when casting, copper pipe is imbedded furnace wall, even if wear and tear in furnace wall, copper pipe still can guarantee that water coolant does not leak, can not cause security incident because of water ejection, compare three months original fuming furnace life-spans, the life-span of fuming furnace provided by the utility model is used as the equipment in the extraction process of zinc oxide at more than 2 years this fuming furnace, raw material adopts cold slag, warm sludge, cold and hot mixing slag all can be realized, widened the technique band of extraction process, be conducive to smelt the raising of benefit, on fuming furnace, be provided with nitrogen pipeline and nitrogen outlet, in the later stage in furnace life, easily occur in security incident situation, the infringement that in time ejection nitrogen can Accident prevention causes expands, the utility model is easy to manufacture, be applied in and on fuming furnace, from waste residue, extract zinc oxide and can significantly improve quality product, increase the service life, reduce production costs.

Accompanying drawing explanation

Fig. 1 is schematic diagram of the present utility model.

Fig. 2 is the schematic diagram that the utility model stove inwall V-shaped groove is arranged.

Fig. 3 is the schematic top plan view of the utility model V-shaped groove position circumferential section.

Fig. 4 is the schematic diagram of water-cooled tube on the utility model furnace wall.

Embodiment

In order better to understand and to implement the technical solution of the utility model, at this, provide embodiment more of the present utility model, these embodiments, in order better to explain technical scheme described in the utility model, do not form any form restriction of the present utility model.

Fuming furnace, comprise furnace wall, opening for feed, described furnace wall inwall is provided with the V-shaped groove of vertical direction, on described furnace wall, be provided with and comprise Sweet natural gas and oxygen port, on described furnace wall, be provided with refrigerating unit, described V-shaped groove arranges along the circumferential interval of inwall, two adjacent rings V-shaped groove misplaces and is arranged alternately up and down, described two adjacent rings V-shaped groove misplaces and is arranged alternately up and down, in a horizontal direction, the bottom closest range of two adjacent V-shaped grooves is equal to or less than the maximum distance on V-shaped groove peristome both sides, described V-shaped groove is the first half of V-arrangement, the cross section of V-shaped groove above-below direction is isosceles trapezoid, described trapezoidal upper edge lengths is greater than base length, described V-shaped groove arranges along the circumferential interval of inwall, two adjacent rings V-shaped groove misplaces and is arranged alternately up and down, described two adjacent rings V-shaped groove misplaces and is arranged alternately up and down, in a horizontal direction, the bottom closest range of two adjacent V-shaped grooves is equal to or less than the maximum distance on V-shaped groove peristome both sides, the described closest range of the peristome of two adjacent V-shaped grooves in a horizontal direction is less than the length on trapezoidal base.Described refrigerating unit is water-cooled tube, and described water-cooled tube is embedded in furnace wall while adopting copper pipe casting.With fuming furnace, extract the technique of zinc oxide, described fuming furnace furnace wall adopts casting in bronze to make, described furnace wall inwall is provided with the V-shaped groove of vertical direction, on described furnace wall, be provided with Sweet natural gas and oxygen port, on described furnace wall, be provided with refrigerating unit, when extracting zinc oxide, adopt the mixture of solid-state cold slag or liquid warm sludge or solid-state cold slag and liquid warm sludge to add in stove from charging opening, employing sprays into Sweet natural gas as reductive agent in stove, spray into the auxiliary intensification of oxygen, on described fuming furnace, be connected with nitrogen pipeline and outlet.

By reference to the accompanying drawings the utility model is further elaborated, in accompanying drawing, is respectively labeled as: 1:V shape groove a; 1-1:V shape groove a limit aa; 1-2:V shape groove a limit ab; 2:V shape groove b; 2-1:V shape groove b limit ba; 2-2:V shape groove b limit bb; 3:V shape groove c; 3-1:V shape groove c limit ca; 3-2:V shape groove c limit cb; 4:V shape groove d; 4-1:V shape groove d limit da; 4-2:V shape groove d limit db; 5:V shape groove e; 5-1:V shape groove e limit ea; ; 5-2:V shape groove e limit eb; , 6: furnace wall; 7: water-cooled tube; 8: oxygen port; 9: natural gas port; In the utility model, nitrogen pipeline and outlet do not illustrate in the drawings.As shown in drawings, fuming furnace, comprise furnace wall 6, opening for feed, described furnace wall 6 adopts casting in bronze to make, described furnace wall 6 inwalls are provided with the V-shaped groove of vertical direction, on described furnace wall 6, be provided with and comprise Sweet natural gas and oxygen port, on described furnace wall, be provided with refrigerating unit, described V-shaped groove arranges along the circumferential interval of inwall, two adjacent rings V-shaped groove misplaces and is arranged alternately up and down, described two adjacent rings V-shaped groove misplaces and is arranged alternately up and down, the described bottom closest range of two adjacent V-shaped grooves in a horizontal direction is equal to or less than the maximum distance on V-shaped groove peristome both sides, described V-shaped groove is the first half of V-arrangement, the cross section of V-shaped groove above-below direction is isosceles trapezoid, trapezoidal suitable for reading be opening, be that trapezoidal base radially has length to form groove in phase stove with two waist edge stoves, be greater than base length with described trapezoidal upper edge lengths, described V-shaped groove arranges along the circumferential interval of inwall, two adjacent rings V-shaped groove misplaces and is arranged alternately up and down, described two adjacent rings V-shaped groove misplaces and is arranged alternately up and down, the described bottom closest range of two adjacent V-shaped grooves in a horizontal direction is equal to or less than the maximum distance on V-shaped groove peristome both sides, the described closest range of the peristome of two adjacent V-shaped grooves in a horizontal direction is less than the length on trapezoidal base.In accompanying drawing, V-arrangement vertical section all adopts trapezoidal, 1, 2, 3, 4, 5 are respectively V-shaped groove a, V-shaped groove b, V-shaped groove c, V-shaped groove d, V-shaped groove e, V-shaped groove a1 wherein, V-shaped groove b2 is positioned at the top of above-below direction, V-shaped groove c3 is positioned at V-shaped groove a, in one circle of the below of V-shaped groove b, V-shaped groove c3 and V-shaped groove a1, V-shaped groove b2 shifts to install, the closest range of the limit ab1-2 of V-shaped groove a and the limit ba2-1 of V-shaped groove b bottom is less than two limit ca3-1 of V-shaped groove c3, the maximum distance of cb3-2, V-shaped groove d4, V-shaped groove e5 be V-shaped groove c3 next circle in V-shaped groove, V-shaped groove d4, the closest range of two peristomes of V-shaped groove e5 refers to the closest range between the limit db4-2 of V-shaped groove d4 and the limit ea5-1 of V-shaped groove e5, this distance is less than the length on base, V-shaped groove c3 trapezoid cross section.Described refrigerating unit is water-cooled tube, described water-cooled tube is embedded in furnace wall while adopting copper pipe casting, 7 are depicted as water-cooled tube, when casting, directly casting is embedded in furnace wall, with fuming furnace, extract the technique of zinc oxide, described fuming furnace furnace wall adopts casting in bronze to make, described furnace wall inwall is provided with the V-shaped groove of vertical direction, on described furnace wall, be provided with Sweet natural gas and oxygen port, on described furnace wall, be provided with refrigerating unit, when extracting zinc oxide, adopt the mixture of solid-state cold slag or liquid warm sludge or solid-state cold slag and liquid warm sludge to add in stove from charging opening, employing sprays into Sweet natural gas as reductive agent in stove, spray into the auxiliary intensification of oxygen, on described fuming furnace, be connected with nitrogen pipeline and outlet.

After describing above various specific embodiment of the present utility model in detail, those of ordinary skill in the art should be well understood to, various common practise according to this area, according to thinking of the present utility model, can carry out various equivalent variations, be equal to and replace or simply revise, these all should belong to the scope of technical solutions of the utility model.

Claims

1. fuming furnace, comprises furnace wall, opening for feed, it is characterized in that: described furnace wall inwall is provided with the V-shaped groove of vertical direction, is provided with to comprise and Sweet natural gas and oxygen port are provided with refrigerating unit on described furnace wall on described furnace wall.

2. fuming furnace according to claim 1, is characterized in that: described V-shaped groove arranges along the circumferential interval of inwall, and two adjacent rings V-shaped groove misplaces and is arranged alternately up and down.

3. fuming furnace according to claim 2, it is characterized in that: described two adjacent rings V-shaped groove misplaces and is arranged alternately up and down, in a horizontal direction, the bottom closest range of two adjacent V-shaped grooves is equal to or less than the maximum distance on V-shaped groove peristome both sides.

4. according to the fuming furnace described in the arbitrary claim of claims 1 to 3, it is characterized in that: the first half that described V-shaped groove is V-arrangement, the cross section of V-shaped groove above-below direction is isosceles trapezoid, described trapezoidal upper edge lengths is greater than base length, described V-shaped groove arranges along the circumferential interval of inwall, two adjacent rings V-shaped groove misplaces and is arranged alternately up and down, described two adjacent rings V-shaped groove misplaces and is arranged alternately up and down, in a horizontal direction, the bottom closest range of two adjacent V-shaped grooves is equal to or less than the maximum distance on V-shaped groove peristome both sides, the described closest range of the peristome of two adjacent V-shaped grooves in a horizontal direction is less than the length on trapezoidal base.

5. fuming furnace according to claim 1, is characterized in that: described refrigerating unit is water-cooled tube, and described water-cooled tube is embedded in furnace wall while adopting casting.