CN217842985U - Multiple protection oxygen lance - Google Patents
Multiple protection oxygen lance Download PDFInfo
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- CN217842985U CN217842985U CN202221694863.XU CN202221694863U CN217842985U CN 217842985 U CN217842985 U CN 217842985U CN 202221694863 U CN202221694863 U CN 202221694863U CN 217842985 U CN217842985 U CN 217842985U
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- protective layer
- inner tube
- multiple protection
- protective
- lance
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Abstract
The utility model relates to a wet process oxygen pressure acid leaching technical field, the utility model discloses a multiple protection oxygen rifle, including the inner tube that has the gas vent, protective layer and protective sheath, wherein, the inner tube is made by flame retardant material, a be used for transmitting oxygen, the protective layer covers the outer wall of inner tube, make by corrosion-resistant material, the periphery of protective layer is located to the protective sheath, the protective sheath is made by corrosion-resistant material, therefore, in equipment working process, the inner tube of making by flame retardant material can avoid multiple protection oxygen rifle to take place the burning, the inner tube periphery is located to protective layer and protective sheath of making by corrosion-resistant material, when multiple protection oxygen rifle is opening the parking in-process immersed material, protective layer and protective sheath can ensure that the inner tube does not receive the corruption, the protective sheath can also protect the protective layer, prevent that the protective layer from droing, thus, make multiple protection oxygen rifle have fire behaviour and corrosion resisting property, prolong the life of multiple protection oxygen rifle.
Description
Technical Field
The utility model relates to a wet process oxygen pressure acid leaching technical field, in particular to a multiple protection oxygen rifle.
Background
In the sulfuric acid system hydrometallurgy industry, oxygen lances are used for delivering oxygen, which oxygen lances have a direct influence on the smelting effect and the blowing time, thereby affecting the quality and yield of the smelted product.
At present, in the use process of the oxygen lance, due to high pressure and temperature and strong medium corrosiveness, a noble metal titanium material is required to be adopted to prevent corrosion, but the titanium material has the risk of combustion in a high-speed oxygen scouring environment. Therefore, it is desirable to provide an oxygen lance that employs an oxygen tube design that both meets corrosion resistance requirements and prevents combustion.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multiple protection oxygen rifle for the oxygen rifle has fire behaviour and corrosion resisting property, prolongs the life of oxygen rifle, prevents the incident that the burning arouses, reduces the number of times of trading the rifle, improves the operation rate.
In order to solve the technical problem, an embodiment of the utility model provides a multiple protection oxygen rifle, include:
an inner tube made of a flame retardant material for transmitting oxygen; a protective layer, the inner tube having an exhaust port, the protective layer covering an outer wall of the inner tube, the protective layer being made of a corrosion resistant material; and the protective sleeve is sleeved on the periphery of the protective layer and is made of a corrosion-resistant material.
The utility model discloses embodiment is for prior art, including the inner tube that has the gas vent, protective layer and protective sheath, wherein, the inner tube is made by flameresistant material, be used for transmitting oxygen, the protective layer covers the outer wall of inner tube, make by corrosion-resistant material, the periphery of protective layer is located to the protective sheath, and expose the gas vent of inner tube, the protective sheath is made by corrosion-resistant material, therefore, in the equipment course of the work, the inner tube made by flameresistant material can avoid multiple protection oxygen rifle to take place the burning, the inner tube periphery is located to protective layer and protective sheath made by corrosion-resistant material, when multiple protection oxygen rifle is at start-stop in-process immersed material, protective layer and protective sheath can ensure that the inner tube is not corroded, the protective sheath can also protect the protective layer, prevent that the protective layer from droing, thus, make multiple protection oxygen rifle have fire behaviour and corrosion resisting property, prolong the life of multiple protection oxygen rifle.
Optionally, the inner wall of the inner tube, which is close to the exhaust port, is provided with the protective layer. The inner wall of the inner pipe close to the exhaust port is also provided with a protective layer, so that the inner wall of the inner pipe close to the exhaust port can not be corroded by materials when the multi-protection oxygen lance is immersed into the materials.
Optionally, still include sealed clamping ring, the protective sheath includes the edge the axial of inner tube sets gradually and interconnect's main part and step portion, the main part cover is established the periphery of protective layer, step portion is close to the gas vent sets up, the inner tube stretches out step portion, sealed clamping ring stretches into step portion and cover are located and are close to the gas vent the periphery of inner tube. The sealing compression ring is used for plugging the gap between the protective sleeve and the protective layer, so that materials are prevented from entering the interior of the multiple protection oxygen lance from the gap between the protective sleeve and the protective layer, and the multiple protection oxygen lance is prevented from being damaged.
Optionally, still include elastic sealing element, the inner wall of step portion is equipped with the annular arch, elastic sealing element is located the arch is close to one side of gas vent, and press from both sides and locate protruding with between the sealed clamping ring. Therefore, the elasticity of the elastic sealing piece can buffer the structure inside the multiple protection oxygen lance in the working process, damage is avoided, the sealing performance of the multiple protection oxygen lance can be further improved through the elastic sealing piece, and the multiple protection oxygen lance is prevented from being damaged.
Optionally, the sealing press ring is made of a corrosion-resistant material. The sealing pressure ring is made of corrosion-resistant materials, so that the sealing pressure ring is prevented from being corroded and damaged, and the sealing protection is continuously provided for the multiple protection oxygen lance.
Optionally, the protective sheath still includes spacing portion, spacing portion connect in the main part is kept away from the one end of step portion, spacing portion is equipped with a plurality of connect the via hole, spacing portion deviates from one side of gas vent is equipped with mounting structure, spacing portion with mounting structure is via passing connect the via hole's connecting piece is fixed. The through hole is arranged on the limiting part to connect with the mounting structure, so that the multiple protection oxygen lance can be fixedly mounted, and thus, the stability of the multiple protection oxygen lance can be ensured in the working process of the equipment, and the multiple protection oxygen lance is prevented from being damaged.
Optionally, the protective layer is a titanium oxide coating or a ceramic material coating. The protective layer is provided as a titanium oxide coating or a ceramic material coating, so that the protective layer has a high level of corrosion resistance.
Optionally, the protective sleeve is made of a titanium material. The protective sleeve is made of a titanium material and has a high level of corrosion resistance.
Optionally, a cavity is formed between the protective layer and the protective sleeve, and the thermal expansion coefficient of the inner pipe is different from that of the protective sleeve. There is the cavity between protective layer and the protective sheath, and the thermal expansion coefficient of inner tube is different with the thermal expansion coefficient of protective sheath, and like this, in equipment course of the work, the inner tube is heated with the protective sheath and takes place the expansion deformation, can freely stretch out and draw back, prevents that inner tube and protective sheath from extrudeing each other and leading to multiple protection oxygen rifle to damage.
Optionally, a connecting structure is arranged on the outer wall of one end, far away from the exhaust port, of the inner pipe. The outer wall of the end, far away from the exhaust port, of the inner pipe is provided with a connecting structure, and the connecting structure is used for connecting the inner pipe with an external vent pipe, so that oxygen can smoothly enter the multiple protection oxygen lance.
Drawings
FIG. 1 is a schematic cross-sectional view of a multiple protection lance according to an embodiment of the present invention;
FIG. 2 is a schematic sectional view of a sealing ring of the multiple protection oxygen lance according to the embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of an installation structure and an elastic sealing member of the multiple protection oxygen lance according to the embodiment of the present invention;
FIG. 4 is a schematic sectional view of a connecting structure of a multiple protection oxygen lance according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail each embodiment of the present invention with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.
In the embodiments of the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily for the purposes of better describing the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "opened," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.
The utility model discloses an embodiment relates to a multiple protection oxygen rifle, as shown in figure 1, include:
the inner pipe 100 is made of a flame retardant material and is used for transmitting oxygen, the inner pipe 100 is provided with an exhaust port 110, a protective layer 200 covers the outer wall of the inner pipe 100, the protective layer 200 is made of a corrosion-resistant material, a protective sleeve 300 is sleeved on the periphery of the protective layer 200, and the protective sleeve 300 is made of a corrosion-resistant material.
The utility model discloses embodiment is for prior art, including the inner tube 100 that has gas vent 110, protective layer 200 and protective sheath 300, wherein, inner tube 100 is made by flame retardant material, be used for transmitting oxygen, protective layer 200 covers the outer wall of inner tube 100, make by corrosion resistant material, protective sheath 300 covers the periphery of locating protective layer 200, protective sheath 300 is made by corrosion resistant material, therefore, in equipment working process, inner tube 100 made by flame retardant material can avoid multiple protection oxygen rifle to take place the burning, protective layer 200 and protective sheath 300 made by corrosion resistant material locate inner tube 100 periphery, when multiple protection oxygen rifle is at the start-stop in-process immersed material, protective layer 200 and protective sheath 300 can ensure that inner tube 100 is not corroded, protective sheath 300 can also protect protective layer 200, prevent that protective layer 200 from droing, thus, make multiple protection oxygen rifle have fire behaviour and corrosion resistance, the life of extension multiple protection oxygen rifle.
Optionally, the inner tube 100 may be made of metal or other high temperature and combustion resistant materials, and the specific material types of the protective layer 200 and the protective sheath 300 may be selected according to actual requirements as long as they have stable corrosion resistance, which is not specifically limited by the embodiment of the present invention.
Specifically, the protective layer 200 is provided with a titanium oxide coating or a ceramic material coating, and the protective sheath 300 is made of a titanium material, so that the protective layer has a high level of corrosion resistance.
Referring to fig. 1 again, in some embodiments, a cavity 210 is formed between the protective layer 200 and the protective sleeve 300, and the thermal expansion coefficient of the inner tube 100 is different from that of the protective sleeve 300, so that the inner tube 100 and the protective sleeve 300 can expand and contract freely when heated and deform during the operation of the apparatus, thereby preventing the inner tube 100 and the protective sleeve 300 from being squeezed against each other to damage the multi-protection lance.
Referring also to FIG. 2, in some embodiments, the inner wall of inner tube 100 near the discharge port 110 is also provided with a protective layer 220 so that the inner wall of inner tube 100 near discharge port 110 is not corroded by the material when the lance is immersed in the material under multiple protection.
Referring to fig. 2, in some embodiments, the multiple protection oxygen lance further includes a sealing ring 400, the protection sleeve 300 includes a main body 310 and a step portion 320 sequentially disposed along an axial direction of the inner tube 100 and connected to each other, the main body 310 is disposed on an outer periphery of the protection layer 200, the step portion 320 is disposed near the exhaust port 110, the inner tube 100 extends out of the step portion 320, the sealing ring 400 extends into the step portion 320 and is sleeved on an outer periphery of the inner tube 100 near the exhaust port 110, a gap between the protection sleeve 300 and the protection layer 200 is sealed by the sealing ring 400, so as to prevent a material from entering an interior of the multiple protection oxygen lance from a gap between the protection sleeve 300 and the protection layer 200, and prevent the multiple protection oxygen lance from being damaged.
Optionally, sealed clamping ring 400 is made by corrosion-resistant material, ensures that sealed clamping ring 400 does not receive corrosion damage, continuously provides sealed protection for multiple protection oxygen rifle, and corrosion-resistant material's specific type can be selected by actual need, the embodiment of the utility model provides a do not specifically limit to this.
Specifically, the sealing collar 400 may be made of a titanium material to provide multiple protection to the lance while providing low weight and high levels of corrosion resistance.
Referring to fig. 3, the protective sleeve 300 further comprises a limiting portion 330 connected to an end of the main body portion 310 away from the step portion 320, the limiting portion 330 is provided with a plurality of connecting through holes 331, a mounting structure 500 is arranged on a side of the limiting portion 330 away from the gas outlet 110, the limiting portion 330 and the mounting structure 500 are fixed by a connecting piece 332 penetrating through the connecting through holes 331, the connecting through holes 331 are arranged on the limiting portion 330 to connect with the mounting structure 500, and the multiple protection oxygen lance can be fixedly mounted, so that the stability of the multiple protection oxygen lance can be ensured during the operation of the equipment, and the multiple protection oxygen lance can be prevented from being damaged.
Alternatively, the connecting member 332 may be a screw, a rivet or other connecting members, as long as the protective sleeve 300 and the mounting structure 500 can be stably connected together through the connecting member 332, which is not specifically limited in the embodiment of the present invention.
Specifically, the mounting structure 500 is a mounting flange 500, and the mounting flange 500 is used for mounting and fixing, so that the operation is simple and the mounting is stable.
Further, still press from both sides between mounting structure 500 and the inner tube 100 and be equipped with elastic component 510, elastic component 510 can avoid mounting structure 500 and inner tube 100 to produce and interfere, leads to mounting structure 500 and inner tube 100 to damage, and elastic component 510 can be made by rubber, silica gel or other elastic materials that have, the embodiment of the utility model provides a do not specifically limit to this.
Referring to fig. 3 again, in some embodiments, the multiple protection oxygen lance further includes an elastic sealing member 600, the inner wall of the step portion 320 is provided with an annular protrusion 321, and the elastic sealing member 600 is located on a side of the protrusion 321 close to the gas outlet 110 and is sandwiched between the protrusion 321 and the sealing ring 400, so that the elasticity of the elastic sealing member 600 can buffer the structure inside the multiple protection oxygen lance during the working process to avoid damage, and the elastic sealing member 600 can further improve the sealing performance of the multiple protection oxygen lance to prevent the multiple protection oxygen lance from being damaged.
Optionally, the elastic sealing member 600 is made of an elastic, high temperature resistant and corrosion resistant material, the type of the elastic sealing member can be adjusted according to actual requirements, the number of the elastic sealing member 600 can be one, two or more, as long as the sealing performance of the multiple protection oxygen lance can be improved, and the embodiment of the present invention is not particularly limited thereto.
Referring to fig. 4, in some embodiments, a connecting structure 700 is provided on the outer wall of the end of the inner pipe 100 away from the gas outlet 110, and the connecting structure 700 is used to connect the inner pipe 100 with an external vent pipe, so as to ensure that oxygen can smoothly enter the multi-protection lance.
Specifically, the connecting structure 700 is provided as the flange 700, so that the sealing performance is good, the connection is simple, and the maintenance is convenient.
The above multiple protection oxygen lance provided by the embodiment of the present invention is introduced in detail, and the present document applies a specific embodiment to explain the principle and the embodiment of the present invention, and the explanation of the above embodiment is only used to help understand the idea of the present invention, and there is a change part on the specific embodiment and the application range, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. A multiple protection oxygen lance is characterized by comprising:
an inner tube made of a flame retardant material for transmitting oxygen;
a protective layer, the inner tube having an exhaust port, the protective layer covering an outer wall of the inner tube, the protective layer being made of a corrosion resistant material; and
the protective sheath, the protective sheath cover is located the periphery of protective layer, the protective sheath is made by corrosion-resistant material.
2. The multi-protection lance as claimed in claim 1, wherein the inner wall of the inner pipe near the discharge port is provided with the protective layer.
3. The multiple protection oxygen lance as claimed in claim 1, further comprising a sealing ring, wherein the protective sleeve comprises a main body part and a step part which are sequentially arranged along the axial direction of the inner tube and are connected with each other, the main body part is sleeved on the periphery of the protective layer, the step part is arranged near the exhaust port, the inner tube extends out of the step part, and the sealing ring extends into the step part and is sleeved on the periphery of the inner tube near the exhaust port.
4. The multiple protection oxygen lance as claimed in claim 3, further comprising an elastic sealing element, wherein the inner wall of the step part is provided with an annular protrusion, and the elastic sealing element is located on one side of the protrusion close to the exhaust port and is clamped between the protrusion and the sealing press ring.
5. The multiple protection lance of claim 3 wherein the sealing collar is made of a corrosion resistant material.
6. The multiple protection oxygen lance as claimed in any one of claims 3 to 5, wherein the protective jacket further comprises a limiting part, the limiting part is connected to one end of the main body part far away from the step part, the limiting part is provided with a plurality of connecting through holes, one side of the limiting part far away from the exhaust port is provided with a mounting structure, and the limiting part and the mounting structure are fixed through a connecting piece penetrating through the connecting through holes.
7. The multi-protection lance of claim 1 wherein the protection layer is a titanium oxide coating or a ceramic material coating.
8. The multiple protection oxygen lance as claimed in claim 1 wherein the protective jacket is made of titanium.
9. The multi-protection lance as claimed in claim 1 wherein a cavity exists between the protective layer and the protective jacket, and the inner pipe has a coefficient of thermal expansion different from that of the protective jacket.
10. The multiple protection lance as claimed in any one of claims 1 to 5 wherein the outer wall of the end of the inner pipe remote from the vent is provided with a connecting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221694863.XU CN217842985U (en) | 2022-06-30 | 2022-06-30 | Multiple protection oxygen lance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221694863.XU CN217842985U (en) | 2022-06-30 | 2022-06-30 | Multiple protection oxygen lance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217842985U true CN217842985U (en) | 2022-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221694863.XU Active CN217842985U (en) | 2022-06-30 | 2022-06-30 | Multiple protection oxygen lance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217842985U (en) |
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2022
- 2022-06-30 CN CN202221694863.XU patent/CN217842985U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building 1-6, No. 458 Zhongmin Road, Maogang Town, Songjiang District, Shanghai, July 2016 Patentee after: Shanghai Senyong Engineering Equipment Co.,Ltd. Address before: Workshop 1, building 1, No. 458, Zhongmin Road, Maogang Town, Songjiang District, Shanghai, 201607 Patentee before: Shanghai Senyong Engineering Equipment Co.,Ltd. |
|
| CP03 | Change of name, title or address |