CN205279753U - Top -blown spray gun and protection device who is used for top -blown spray gun - Google Patents

Abstract

The utility model discloses a protection device of top -blown spray gun and the top -blown spray gun that has it, the top -blown spray gun has the part that stretches into that stretches into in the furnace body, protection device includes: the device body, the device body be suitable for with it links to each other and covers to stretch into the part stretch into the partly at least of partial outer peripheral face, protruding structure, protruding structure is established the device body the outer peripheral face on and the protrusion in the outer peripheral face of device body. According to the utility model discloses a protection device can have the guard action to the top -blown spray gun, makes the top -blown spray gun not fragile, the life extension for the top -blown spray gun to reduce the activity duration that stops the material and change the spray gun, improve production efficiency.

Description

Top-blown spray gun and the protector for top-blown spray gun

Technical field

The utility model relates to technical field of smelting, more specifically, it relates to a kind of top-blown spray gun and the protector for top-blown spray gun.

Background technology

Top blast immersion spray gun molten pool melting technology is not only used widely in the process of the different metal melting and blowing that adopt pyrometallurgical smelting, also in the middle of international advanced process electronic waste smelting technique.

Spray gun is as the nucleus equipment of top blast immersion spray gun molten pool melting technology, and its work-ing life is directly connected to the whether smooth of technological process. Spray gun under the prerequisite reaching mass transfer dynamics requirement, also must adapt to the mal-conditions such as high temperature, complicated chemical reaction and melt violent scour in molten bath. Technical experience according to offshore company: relevant service life of lance is extremely short, only about 1-10 days, causes production cost to remain high, and continuity of production process is poor.

Practical novel content

One of technical problem that the utility model is intended to solve in correlation technique at least to a certain extent. For this reason, the utility model proposes a kind of protector for top-blown spray gun, top-blown spray gun is had provide protection by the described protector for top-blown spray gun, and the work-ing life of top-blown spray gun is extended.

The utility model also proposed a kind of top-blown spray gun with the above-mentioned protector for top-blown spray gun.

According to the protector for top-blown spray gun of the present utility model, described top-blown spray gun has to stretch into and stretches into part in body of heater, comprising: device body, described device body is suitable for being connected with the described part that stretches into and stretching into periphery partly described in covering at least partially; Bulge-structure, described bulge-structure is located on the periphery of described device body and protrudes from the periphery of described device body.

According to the protector for top-blown spray gun of the present utility model, it is possible to top-blown spray gun is had provide protection, top-blown spray gun is not easily damaged, it may also be useful to the life-span extends, thus reduce the activity duration stopping expecting to change spray gun, it is to increase production efficiency.

In addition, can also have following additional technology feature according to the protector for top-blown spray gun of the present utility model:

According to embodiments more of the present utility model, described device body is formed as round shape and stretches in part described in being set in, and at described device body axially, the two ends of described bulge-structure are respectively adjacent to or are positioned at the two ends of described device body.

According to embodiments more of the present utility model, described bulge-structure comprises multiple the protrusion element being spaced apart.

According to embodiments more of the present utility model, multiple described protrusion element is evenly located on the periphery of described device body.

According to embodiments more of the present utility model, the shape of multiple described protrusion element is all identical, or the shape of at least two described protrusion element is different.

According to embodiments more of the present utility model, protrusion element described at least one is formed as column or bulk.

According to embodiments more of the present utility model, between any two adjacent described protrusion element, the span of the distance D at institute interval is: 50mm��D��200mm.

According to embodiments more of the present utility model, described bulge-structure protrudes the span of the height H of the periphery of described device body and is: 10mm��H��50mm.

It is integrally formed according to embodiments more of the present utility model, described device body and described bulge-structure.

According to embodiments more of the present utility model, described device body and the described part that stretches into are weldingly connected.

According to embodiments more of the present utility model, described protector and described top-blown spray gun adopt same material to make.

According to top-blown spray gun of the present utility model, comprise according to the protector for top-blown spray gun of the present utility model.

Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.

Accompanying drawing explanation

Fig. 1 is the structural representation of the protector for top-blown spray gun according to the utility model embodiment;

Fig. 2 is the sectional view of the protector for top-blown spray gun according to the utility model embodiment.

Reference numeral:

Protector 100; Device body 10; Protrusion element 20.

Embodiment

Being described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings. It is exemplary below by the embodiment being described with reference to the drawings, it is intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.

Below in conjunction with accompanying drawing, the protector 100 for top-blown spray gun according to the utility model embodiment is described in detail.

With reference to shown in Fig. 1 and Fig. 2, may be used for top-blown spray gun according to the protector 100 of the utility model embodiment, top-blown spray gun has to stretch into and stretches into part in body of heater, and protector 100 can be located at and stretch in part, to play a protective role. Specifically, protector 100 can comprise device body 10 and bulge-structure, and bulge-structure can be located on the periphery of device body 10, and bulge-structure protrudes from the periphery of device body 10. When protector 100 be located at stretch into part upper time, device body 10 can be connected with stretching into part, and device body 10 can cover and stretches into periphery partly at least partially.

That is, device body 10 can stretch into a part for the periphery of part from outside parcel, it is also possible to is wrapped completely from outside by the periphery stretching into part. When protector 100 is located at when stretching in part of spray gun; the outermost stretching into part of spray gun can have bulge-structure; bulge-structure can play the effect of fixing slagging scorification; part or all making spray gun can be wrapped by slagging scorification; thus the erosion of effectively isolated high-temperature fusant and flue gas during smelting, reach the effect of protection spray gun.

Protector 100 according to the utility model embodiment; by arranging bulge-structure on the periphery of device body 10; bulge-structure can play the effect of fixing slagging scorification layer; slagging scorification is made can firmly to adhere to the outermost of spray gun; improve the work-ing life of spray gun, it is achieved the continuously processing requirement of long-cycle production, solve short problem in top blast immersion spray gun work-ing life; ensure that administration measure runs continuously, it is to increase production efficiency. This protector 100 structure is simple, installs easy, is convenient to implement, can directly be improved by existing spray gun, less investment and effective.

As depicted in figs. 1 and 2, device body 10 can be formed as round shape, and device body 10 can be set in and stretch in part. Thus, not only easy disassembly, installs firmly, and provide protection is good. Wherein, at device body 10 axially, the two ends of bulge-structure can be respectively adjacent to or be positioned at the two ends of device body 10. That is, the axial direction of device body 10, the upper end of bulge-structure can the upper end of apparatus adjacent body 10, the lower end of bulge-structure can the lower end of apparatus adjacent body 10, such as, distance between the upper end of bulge-structure and the upper end of device body 10 can within 50mm, and the distance between the lower end of bulge-structure and the lower end of device body 10 can also within 50mm; Or, the upper end of bulge-structure can be located at the upper end of device body 10, and the lower end of bulge-structure can be located at the lower end of device body 10.

Thus, the distribution range of bulge-structure on device body 10 can from the bottom of device body 10 to the top of device body 10, and the protection domain of spray gun is wider, and provide protection is better.

It should be appreciated that the structure of bulge-structure and shape can be formed as multiple, can selection of land, according to embodiments more of the present utility model, multiple protrusion element 20 that bulge-structure can be spaced apart between comprising. Multiple protrusion element 20 is located on device body 10 respectively, is spaced apart between any two protrusion element 20. Thus, not only manufacture conveniently, and dross is good.

Preferably, multiple protrusion element 20 can be evenly arranged on the periphery of device body 10. Thus; multiple protrusion element 20 is all axially equally distributed in the circumference of device body 10 or at device body 10; in the circumference of device body 10; distance between any two adjacent protrusion element 20 is equal; equally, at device body 10 axially, distance between any two adjacent protrusion element 20 is also equal; not only profile is attractive in appearance for protector 100, and the making good use of of fixing slagging scorification.

As shown in Figure 1, the periphery of device body 10 can be distributed with between the circumference along device body 10 the many rows protrusion element 20 separated, often arranging the multiple protrusion element 20 in protrusion element 20 can along the axially spaced setting of device body 10, wherein, the adjacent multiple protrusion element 20 in two row's protrusion element 20 can in the setting of axially staggering of device body 10. Such as, at device body 10 axially, between first protrusion element 20 that first protrusion element 20 of any row's protrusion element 20 can be located at row's protrusion element 20 adjacent with it and the 2nd protrusion element 20, analogize with this. Thus, spray gun can be played better protecting effect by protector 100.

According to embodiments more of the present utility model, the shape of multiple protrusion element 20 is all identical. That is, the periphery of device body 10 is provided with the identical protrusion element of multiple shape 20. Thus, not only it is convenient to manufacture, and fixing comparatively even of slagging scorification, ensure that the stationarity that spray gun is installed and reliability. Certainly, the shape of multiple protrusion element 20 can also be incomplete same or completely different. Can selection of land, according to embodiments more of the present utility model, the shape of at least two protrusion element 20 is different. In other words, have at least the shape of the shape of a protrusion element 20 and other protrusion element 20 not identical, such as, the shape of multiple protrusion element 20 is all not identical, again such as, multiple protrusion element 20 is divided into two kinds of shapes, a part protrusion element 20 there is same shape, another part protrusion element 20 there is another kind of shape. Thus, protector 100 can also have better protecting effect.

The shape of each protrusion element 20 can have multiple, can selection of land, protrusion element 20 can be formed as column or bulk. The size that the bulge-structure of column is significantly longer than on other two-dimensional direction in one-dimensional square size upwards, is namely roughly formed as Shu shape, and the size of block bulge-structure on three-dimensional is more or less the same. These two kinds of protrusion element 20 all can make protector 100 body have the effect of fixing slagging scorification preferably.

Can selection of land, when protrusion element 20 is formed as column, one end away from device body 10 of protrusion element 20 can have jag structure, and namely protrusion element 20 can roughly be formed as Y shape. As depicted in figs. 1 and 2, each protrusion element 20 is formed as the identical column of shape. When reality manufactures, the thickness of protrusion element 20 can be arranged flexibly, and such as, protrusion element 20 can be formed as thinner fine strip shape, it is also possible to is formed as thicker bar-shaped. In addition, protrusion element 20 can also be formed as square, nahlock shape, taper or irregular bulk etc. In concrete examples more of the present utility model, protrusion element 20 can adopt round steel, Deformed Steel Bars, Y word bitch or square steel etc. to make.

Can selection of land, between adjacent two protrusion element 20, the span of the distance D at institute interval is: 50mm��D��200mm. Thus, protector 100 not only is convenient to manufacture, and provide protection is good. The spacing such as protrusion element 20 can be on the periphery of device body 10 distribute, it is also possible to being unequal-interval distribution, above span is all applicable for two kinds of situations.

Here, it should be noted that, the distance D at the institute interval between adjacent two protrusion element 20 can be understood as the distance at adjacent two protrusion element 20 institute interval on the periphery of device body 10, also it is exactly after the periphery of device body 10 is launched into plane, the distance at institute interval between adjacent two protrusion element 20. Such as, as shown in Figure 1, for adjacent two protrusion element 20 in a row of the axial distribution along device body 10, distance D be adjacent two projections device body 10 axially between the distance that separates; When adjacent two protrusion element 20 are in different row, the distance D between adjacent two protrusion element 20 can equal the length connecting the straight-line segment of adjacent two protrusion element 20 after the periphery of device body 10 is launched into plane.

In specific embodiments more of the present utility model, between adjacent two protrusion element 20, the distance D at institute interval can be 75mm, 100mm, 125mm, 150mm or 175mm etc.

Can selection of land, the span of height H of the periphery that bulge-structure protrudes device body 10 can be: 10mm��H��50mm. That is, in the radial direction along device body 10, it can be 10mm-50mm that bulge-structure exceeds the span of the height H of the periphery of device body 10, or says, the span of the radial distance between the outermost end of bulge-structure and the periphery of device body 10 can be 10mm-50mm. Thus, bulge-structure size design is reasonable, is not only convenient to the installation of spray gun, and provide protection is good, is convenient to manufacture.

When bulge-structure comprises multiple protrusion element 20, the height H of the periphery that each protrusion element 20 protrudes device body 10 can also meet above-mentioned scope. Wherein, along device body 10 axially, the height H of the periphery that multiple protrusion element 20 protrudes device body 10 can be identical, it is also possible to different, it is possible to determine concrete numerical value according to residing different working conditions.

Advantageously, there is in body of heater molten bath district and gas phase zone, molten bath district and reaction zone, top-blown spray gun can be formed as immersion spray gun, the lower end of top-blown spray gun can stretch into molten bath district, the height H of the periphery that the protrusion element 20 entering molten bath district together with spray gun protrudes device body 10 can be set to 30mm, and the height H of the periphery that the protrusion element 20 being positioned at gas phase zone protrudes device body 10 can be set to 10mm. Thus, it is possible to protect the different sites of top-blown spray gun targetedly, provide protection is good and advantage of lower cost.

According to embodiments more of the present utility model, device body 10 can be integrally formed with bulge-structure. That is, protector 100 can be formed in one part. Thus, not only being convenient to manufacture, and structural stability is good, protector 100 is not easily destroyed, it may also be useful to the life-span is long.

According to embodiments more of the present utility model, device body 10 can be weldingly connected with spray gun. Thus, it is ensured that protector 100 and the connection reliability of top-blown spray gun, prevent protector 100 and spray gun from occurring to depart from and falling in body of heater, smelting impacted.

According to concrete examples more of the present utility model, protector 100 can adopt same material to make with top-blown spray gun. Thus, protector 100 is good with top-blown spray gun matching, is convenient to connect and manufacture.

In sum; protector 100 according to the utility model embodiment can comprise device body 10 and bulge-structure; bulge-structure can comprise multiple the protrusion element being spaced apart 20; multiple protrusion element 20 can be uniformly distributed, it is also possible to uneven distribution, it is possible to is a kind of structure; it can also be the combination of various structures; single form can be adopted, it is possible to adopting various ways combination or mixing collocation, the concrete structure of bulge-structure can be arranged flexibly.

Top-blown spray gun according to the utility model embodiment can comprise the protector 100 according to the utility model embodiment. Protector 100 can be connected with the part that stretches into stretched in body of heater of top-blown spray gun, to be played a protective role by spray gun. Can selection of land, top-blown spray gun can comprise airduct, and protector 100 can be welded on the outer wall of airduct. Top-blown spray gun long service life according to the utility model embodiment, not easily damages, and ensure that smelting the steady and continuous produced runs.

Other formations of spray gun according to the utility model embodiment and operation are known for the person of ordinary skill of the art, are not described in detail at this.

In description of the present utility model, it will be appreciated that, term " highly ", " on ", D score, " vertically ", " top ", " end ", " interior ", " outward ", " axis ", " radial direction ", the orientation of the instruction such as " circumference " or position are closed is based on orientation shown in the drawings or position relation, it is only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device referred to or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.

In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.

In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, such as, it is possible to be fixedly connected with, it is also possible to be removably connect, or integral; Can be mechanically connected, it is also possible to be electrical connection or each other can communication; Can be directly be connected, it is also possible to be indirectly connected by intermediary, it is possible to be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction. For the ordinary skill in the art, it is possible to understand the concrete implication of above-mentioned term in the utility model according to particular case.

In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.

In the description of this specification sheets, the description of reference term " embodiment ", " specific embodiment ", " example " or " concrete example " etc. means concrete feature, structure, material or the feature in conjunction with this embodiment or example describe and is contained at least one embodiment of the present utility model or example. In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example. And, the concrete feature of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner. In addition, when not conflicting, the feature of the different embodiment described in this specification sheets or example and different embodiment or example can be carried out combining and combining by the technician of this area.

Although above it has been shown and described that embodiment of the present utility model, it is understandable that, above-described embodiment is exemplary, can not be interpreted as that, to restriction of the present utility model, above-described embodiment can be changed in scope of the present utility model, revises, replace and modification by the those of ordinary skill of this area.

Claims (12)

1., for a protector for top-blown spray gun, described top-blown spray gun has to stretch into and stretches into part in body of heater, it is characterised in that, comprising:

Device body, described device body is suitable for being connected with the described part that stretches into and stretching into periphery partly described in covering at least partially;

Bulge-structure, described bulge-structure is located on the periphery of described device body and protrudes from the periphery of described device body.

2. the protector for top-blown spray gun according to claim 1; it is characterized in that; described device body is formed as round shape and stretches in part described in being set in, and at described device body axially, the two ends of described bulge-structure are respectively adjacent to or are positioned at the two ends of described device body.

3. the protector for top-blown spray gun according to claim 1, it is characterised in that, described bulge-structure comprises multiple the protrusion element being spaced apart.

4. the protector for top-blown spray gun according to claim 3, it is characterised in that, multiple described protrusion element is evenly distributed on the periphery of described device body.

5. the protector for top-blown spray gun according to claim 3, it is characterised in that, the shape of multiple described protrusion element is all identical, or the shape of at least two described protrusion element is different.

6. the protector for top-blown spray gun according to claim 3, it is characterised in that, protrusion element described at least one is formed as column or bulk.

7. the protector for top-blown spray gun according to claim 3, it is characterised in that, between any two adjacent described protrusion element, the span of the distance D at institute interval is: 50mm��D��200mm.

8. the protector for top-blown spray gun according to claim 1, it is characterised in that, described bulge-structure protrudes the span of the height H of the periphery of described device body and is: 10mm��H��50mm.

9. the protector for top-blown spray gun according to claim 1, it is characterised in that, described device body and described bulge-structure are integrally formed.

10. the protector for top-blown spray gun according to claim 1, it is characterised in that, described device body and the described part that stretches into are weldingly connected.

11. protectors for top-blown spray gun according to claim 1, it is characterised in that, described protector and described top-blown spray gun adopt same material to make.

12. 1 kinds of top-blown spray guns, it is characterised in that, comprise the protector for top-blown spray gun according to any one of claim 1-11.