CN219199988U - Flame spraying device of zinc oxide heating furnace - Google Patents
Flame spraying device of zinc oxide heating furnace Download PDFInfo
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- CN219199988U CN219199988U CN202223094831.9U CN202223094831U CN219199988U CN 219199988 U CN219199988 U CN 219199988U CN 202223094831 U CN202223094831 U CN 202223094831U CN 219199988 U CN219199988 U CN 219199988U
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Abstract
The utility model discloses a zinc oxide heating furnace flame spraying device which is applied to a heating furnace, wherein the heating furnace is used for placing zinc oxide ores, the heating furnace comprises a heating cavity used for arranging the flame spraying device and the zinc oxide ores and a preheating cavity positioned outside the heating cavity, air is conveyed to the heating cavity through the preheating cavity, the flame spraying device comprises a main body, a flame spraying opening formed at the end part of the main body and a heat conducting piece arranged at the flame spraying opening, one end of the heat conducting piece is connected to the flame spraying opening, the other end of the heat conducting piece is connected to the inner wall of the heating cavity, and the inner wall of the heating cavity is provided with a heat conducting area connected with the heat conducting piece. Through setting up the heat conduction piece at the flame spraying mouth, flame can be spouted in flame spraying mouth department, consequently the heat conduction piece can heat up rapidly, and the heat conduction piece links to each other with the heat conduction district of the inner wall department of heating chamber simultaneously, and consequently the temperature of heat conduction piece can transmit to heat conduction district department, and the heat can be transmitted to preheating chamber department by heat conduction district, carries out the temperature rising processing to preheating intracavity air to reduce and preheat the temperature difference between chamber and the heating chamber.
Description
Technical Field
The utility model belongs to the technical field of zinc oxide production, and particularly relates to a zinc oxide heating furnace flame spraying device.
Background
Zinc oxide is an inorganic substance, and is an oxide of zinc, and zinc oxide is poorly soluble in water, and is soluble in acids and strong bases. Zinc oxide is a common chemical additive, and is widely applied to the manufacture of products such as plastics, silicate products, synthetic rubber, lubricating oil, paint coatings, ointment, adhesives, foods, batteries, flame retardants and the like, and simultaneously is applied to products such as liquid crystal displays, thin film transistors, light-emitting diodes and the like in the field of semiconductors.
The method for producing zinc oxide mainly comprises a direct method, an indirect method and a wet method, wherein the direct method is to bake zinc concentrate to remove substances such as sulfur, then mix the zinc concentrate with substances such as adhesive, coal dust and the like, then put into a furnace for heating to change zinc in zinc-containing raw materials into zinc vapor, then make the zinc vapor contact with oxygen, then oxidize the zinc vapor into zinc oxide, lead out the zinc oxide through a pipeline and collect the zinc oxide in air flow through a zinc oxide collecting device; the indirect method generally uses zinc ingots as raw materials, the zinc ingots are converted into zinc vapor at high temperature, then blown air is oxidized to generate zinc oxide, and zinc oxide particles are collected in a cooling pipe to obtain the product, and zinc slag can be used as raw materials.
When zinc ore is calcined, air needs to be blown into the heating furnace, but the temperature of the air is far lower than that in the heating furnace, and in order to avoid the temperature reduction in the heating furnace caused by blowing the air, a mode of preheating the blown air is generally adopted, but additional heating equipment is required to preheat the air, so that the cost is increased.
Disclosure of Invention
In order to overcome the defects, the utility model provides the zinc oxide heating furnace flame spraying device which not only can calcine zinc oxide ores, but also can reduce the temperature drop caused by air blowing into a heating cavity.
The utility model is realized by the following technical scheme:
the utility model provides a zinc oxide heating furnace flame projecting device, be applied to in the heating furnace, the heating furnace is used for placing zinc oxide ore, the heating furnace is including being used for setting up the heating chamber of flame projecting device and zinc oxide ore and being located the heating chamber outside and preheat the chamber, the air is carried to the heating chamber through preheating the chamber, flame projecting device includes the main part, form in the flame throwing mouth of the tip of main part and set up in the heat-conducting piece of flame throwing mouth, the one end of heat-conducting piece is connected to the flame throwing mouth, the other end is connected to the inner wall in heating chamber, the inner wall in heating chamber is formed with the heat conduction area of being connected with the heat-conducting piece. Through setting up the heat-conducting piece at the flame spraying mouth, flame can be spouted in flame spraying mouth department, consequently, the heat-conducting piece can heat up rapidly, simultaneously the heat-conducting piece links to each other with the heat conduction district of the inner wall department of heating chamber, consequently, the temperature of heat-conducting piece can be transmitted to heat conduction district department, because the temperature is higher when calcining, consequently, in order to avoid the temperature in the heating furnace to pass to the external world, carry out thermal insulation to the heating furnace, the heating chamber is enclosed by thermal insulation material promptly, consequently, through setting up the heat conduction district, the effect of insulating against heat has been realized promptly, the region of heat conduction has simultaneously, and the heat-conducting piece links to each other with the heat conduction district is direct, thereby realize the accurate transmission of heat, and preheat the chamber and be located the heating chamber outside, consequently, the heat can be transmitted to preheating intracavity air by the heat conduction district and heat up the processing, thereby reduce the temperature difference between preheating chamber and the heating chamber, the temperature decline that leads to after the blast into the heating chamber has been weakened to air.
Further, the heat conducting member has a plurality of conducting segments connected to the heat conducting area, and the plurality of conducting segments are sequentially arranged in the axial direction of the heating chamber. The conducting sections are arranged along the axial direction, namely, the conducting sections are sequentially arranged from top to bottom, air enters from the upper end of the preheating cavity when entering the preheating cavity, and enters the heating cavity from the lower end of the preheating cavity, so that the conducting sections can be continuously preheated when the air flows from top to bottom, and the conducting sections are arranged, so that each area of the preheating cavity can be ensured to be heated at the same time, the temperature of each area in the preheating cavity is ensured to be close to be consistent, and the preheating effect on the air is better.
Further, a plurality of baffles are axially arranged in the preheating cavity, and adjacent baffles are arranged in a staggered mode. Because the air flows from top to bottom when flowing in the preheating cavity, the plurality of baffles are arranged, and the adjacent baffles are arranged in a staggered way, the flow path of the air can be changed by the baffles, so that the flow time of the air in the preheating cavity is prolonged, and the air can be better preheated.
Further, the inner walls of the adjacent baffle plates and the preheating cavity are surrounded with an air passing cavity, and the conducting section is connected to the outer wall of the air passing cavity. When air flows in the preheating cavity, the air is blocked by the baffle plates to change the path of the air, so that the air is S-shaped when flowing, and the air passing cavity is positioned between adjacent baffle plates, so that the conducting section is connected to the outer wall of the air passing cavity, and the baffle plates are not arranged at the connecting position of the conducting section, so that heat can be directly transferred into the preheating cavity, the heat cannot be blocked by the baffle plates, and the heat transfer effect is better.
Further, the plurality of flame spraying devices are uniformly arranged around the inner wall of the heating cavity. The zinc oxide ore is heated more uniformly, and the calcining effect of the zinc oxide ore is better.
Further, the heat conducting member has a heat conducting section connected to the flame port, the heat conducting section being a ring member connected to an end of the flame port. The heat conduction section is arranged around the flame spraying opening, so that the normal flame spraying of the flame spraying opening is not affected, and meanwhile, the distance between the heat conduction section and the flame spraying opening is shortened, so that the heat conduction section can be heated up rapidly, and heat is transferred into the preheating cavity.
Further, an insulating layer is arranged on the inner wall of the preheating cavity. The temperature in the preheating cavity can be ensured by arranging the heat preservation layer, and the rapid temperature drop in the preheating cavity is avoided.
Drawings
FIG. 1 is a schematic cross-sectional view illustrating an exemplary embodiment of the present utility model;
fig. 2 is a schematic view illustrating a construction of an exemplary embodiment of a flame projecting apparatus according to the present utility model.
Reference numerals:
1. the heating furnace comprises a heating furnace body 11, a heating cavity 12, a heat conduction area 13, a preheating cavity 14, a baffle plate 2, a flame spraying device 21, a main body 22, a flame spraying port 23, a heat conduction piece 231, a heat conduction section 232 and a conduction section.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, in the embodiments of the present utility model, terms such as left, right, up, down, front, and back are merely relative terms or references to a normal use state of a product, i.e. a traveling direction of the product, and should not be construed as limiting.
In addition, the dynamic terms such as "relative movement" in the embodiments of the present utility model include not only a change in position but also a movement in which a state is changed without a relative change in position such as rotation or rolling.
Finally, it is noted that when an element is referred to as being "on" or "disposed on" another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
As shown in fig. 1 and 2, a flame spraying device 2 of a zinc oxide heating furnace 1 is applied to the heating furnace 1, the heating furnace 1 is used for placing zinc oxide ore, the heating furnace 1 comprises a heating cavity 11 for arranging the flame spraying device 2 and the zinc oxide ore and a preheating cavity 13 positioned outside the heating cavity 11, air is conveyed to the heating cavity 11 through the preheating cavity 13, the flame spraying device 2 can spray a mixer of fuel gas and air to form flame so as to heat the zinc oxide ore in the heating cavity 11, wherein the way that the zinc oxide ore enters the heating cavity 11 and the subsequent treatment way of generated gas can be seen in the prior art, and the subsequent treatment way of the generated gas is not repeated herein, in the application, the flame spraying device 2 comprises a main body 21, a flame spraying port 22 formed at the end part of the main body 21 and a heat conducting piece 23 arranged at the flame spraying port 22, one end of the heat conducting piece 23 is connected to the flame spraying port 22, the other end is connected to the inner wall of the heating cavity 11, and the inner wall of the heating cavity 11 is formed with a heat conducting area 12 connected with the heat conducting piece 23; when heating zinc oxide ore, air needs to be blown into the heating cavity 11, so that the zinc oxide ore can be fully heated, and when air is blown into the heating cavity 13 through the blower, and the air enters the heating cavity 11 through the communication part of the heating cavity 11 and the preheating cavity 13 under the blowing of the blower, but the blown air is far lower than the temperature of the heating cavity 11, so that the temperature in the heating cavity 11 is easily reduced when the air is blown into the heating cavity, calcination of the zinc oxide ore is affected, and therefore the flame can be sprayed out through the heat conducting piece 23 arranged at the flame spraying port 22, the heat conducting piece 23 can be rapidly heated, and meanwhile, the heat conducting piece 23 is connected with the heat conducting area 12 at the inner wall of the heating cavity 11, so that the temperature of the heat conducting piece 23 can be transferred to the heat conducting area 12, and the temperature of the heating cavity is reduced, and the heat conducting area is directly heated by the heating cavity 13, and the heat is directly transferred to the heating cavity 13, and the heat conducting area is reduced by the heat conducting piece 13, and the temperature of the heating cavity is directly heated by the preheating cavity is reduced, and the heat conducting area 13 is directly transferred to the heating cavity 13, and the heat is greatly reduced, and the temperature of the heating cavity 11 is greatly reduced, and the temperature in the heating cavity is greatly reduced, and the temperature is greatly reduced, and the temperature is greatly the heat is heated.
Preferably, the number of the flame thrower devices 2 is plural, and the plurality of flame thrower devices 2 are uniformly arranged around the inner wall of the heating chamber 11; the zinc oxide ore is heated more uniformly, and the calcining effect of the zinc oxide ore is better.
The heat conductive member 23 has a plurality of conductive segments 232 connected to the heat conductive region 12, and the plurality of conductive segments 232 are sequentially arranged in the axial direction of the heating chamber 11; it will be appreciated that the number of the conductive sections 232 is plural, and accordingly, the number of the conductive areas 12 connected to the conductive sections 232 is plural, and one conductive section 232 corresponds to one conductive area 12, where the plural conductive sections 232 are sequentially arranged along the axial direction of the heating cavity 11, so that the plural conductive areas 12 are also disposed at the inner wall of the heating cavity 11 along the axial direction of the heating cavity 11, the conductive sections 232 are sequentially arranged along the axial direction, that is, from top to bottom, when entering the preheating cavity 13, air enters from the upper end of the preheating cavity 13, and enters the heating cavity 11 at the lower end of the preheating cavity 13, so that by disposing the plural conductive sections 232, uninterrupted preheating can be performed when air flows from top to bottom, and simultaneously disposing the plural conductive sections 232, it is ensured that the temperatures of the respective areas in the preheating cavity 13 are nearly uniform, and the preheating effect on the air is better.
Preferably, a plurality of baffles 14 are axially arranged in the preheating cavity 13, and adjacent baffles 14 are staggered; since the air flows from top to bottom when flowing in the preheating cavity 13, the baffles 14 are arranged, and the adjacent baffles 14 are staggered, so that the flow path of the air can be changed by the baffles 14, the flow time of the air in the preheating cavity 13 is prolonged, and the air can be preheated better.
The inner walls of the adjacent baffle plates 14 and the preheating cavity 13 are surrounded by an air passing cavity, and the conducting section 232 is connected to the outer wall of the air passing cavity; when air flows in the preheating cavity 13, the air is in an S shape when flowing because the air is blocked by the baffle plates 14, and the air passing cavity is positioned between the adjacent baffle plates 14, so that the conducting section 232 is connected to the outer wall of the air passing cavity, and the baffle plates 14 are not arranged at the connecting position of the conducting section 232, so that heat can be directly transferred into the preheating cavity 13 without being blocked by the baffle plates 14, and the heat transfer effect is better.
The heat conductive member 23 has a heat conductive section 231 connected to the flame ports 22, the heat conductive section 231 being a ring member connected to the end of the flame ports 22; because flame is sprayed at the flame spraying opening 22, and the flame spraying opening 22 is in a hole-shaped structure, the heat conducting section 231 is connected to the flame spraying opening 22, and the heat conducting section 231 is in an annular structure, namely the heat conducting section 231 is arranged around the flame spraying opening 22, so that the flame is not influenced by the normal spraying of the flame spraying opening 22, and meanwhile, the distance between the heat conducting section 231 and the flame spraying opening 22 is shortened, so that the heat conducting section 231 can be heated up rapidly, and heat is transferred into the preheating cavity 13.
It can be understood that, in this application, heat is transferred from the heating cavity 11 to the preheating cavity 13 through the heat conducting member 23, so the heat conducting member 23 is preferably made of a material with good heat conducting effect, and the melting point of the heat conducting member 23 needs to be greater than the temperature of the heating cavity 11, so that the structure of the heat conducting member 23 will not change, so the material of the heat conducting member 23 can be referred to in the prior art, and will not be repeated here.
Preferably, the inner wall of the preheating cavity 13 is provided with an insulating layer; the temperature in the preheating cavity 13 can be ensured by arranging the heat preservation layer, and the rapid temperature drop in the preheating cavity 13 is avoided.
In this application, when the baffle 14 is disposed in the preheating chamber 13 to change the flow path of air, the baffle 14 is installed at the inner wall of the preheating chamber 13, and the heat insulation layer is also disposed at the inner wall of the preheating chamber 13, so that the baffle 14 directly passes through the heat insulation layer in the corresponding area when disposed, and meanwhile, the inner wall of the heating chamber 11 is formed with the heat conduction area 12, and the heat conduction area 12 is used for transferring heat to the preheating chamber 13, so that the preheating chamber 13 does not need to be provided with the heat insulation layer at the position of the heat conduction area 12, thereby ensuring that heat transfer is not hindered.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.
Claims (7)
1. The utility model provides a zinc oxide heating furnace flaming device, is applied to in the heating furnace, and the heating furnace is arranged in placing zinc oxide ore, its characterized in that, the heating furnace is including being used for setting up flaming device with zinc oxide ore's heating chamber and be located the heating chamber outside preheat the chamber, the air is warp preheat the chamber and carry to the heating chamber, flaming device include the main part, form in the flaming mouth of the tip of main part and set up in the heat-conducting piece of flaming mouth, the one end of heat-conducting piece is connected to the flaming mouth, the other end is connected to the inner wall of heating chamber, the inner wall of heating chamber be formed with the heat conduction district that the heat-conducting piece is connected.
2. A zinc oxide heating furnace flame projecting apparatus according to claim 1 wherein said heat conducting member has a plurality of conductive segments connected to said heat conducting area, a plurality of said conductive segments being arranged in sequence along the axial direction of said heating chamber.
3. The zinc oxide heating furnace flame spraying device according to claim 2, wherein a plurality of baffles are axially arranged in the preheating cavity, and adjacent baffles are staggered.
4. A zinc oxide heating furnace flame projecting device according to claim 3 wherein adjacent said baffle plate and said preheating chamber define a gas passing chamber, said conductive segment being connected to an outer wall of said gas passing chamber.
5. A zinc oxide heating furnace flame projecting apparatus according to claim 1 wherein said flame projecting apparatus has a plurality of said flame projecting apparatuses, and a plurality of said flame projecting apparatuses are uniformly disposed around an inner wall of said heating chamber.
6. A zinc oxide heating furnace flame projecting apparatus according to claim 1 wherein the heat conducting member has a heat conducting section connected to the flame projecting port, the heat conducting section being a ring member connected to an end of the flame projecting port.
7. The zinc oxide heating furnace flame spraying device according to claim 1, wherein an insulating layer is arranged on the inner wall of the preheating cavity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202223094831.9U CN219199988U (en) | 2022-11-22 | 2022-11-22 | Flame spraying device of zinc oxide heating furnace |
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Application Number | Priority Date | Filing Date | Title |
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CN202223094831.9U CN219199988U (en) | 2022-11-22 | 2022-11-22 | Flame spraying device of zinc oxide heating furnace |
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CN219199988U true CN219199988U (en) | 2023-06-16 |
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CN202223094831.9U Active CN219199988U (en) | 2022-11-22 | 2022-11-22 | Flame spraying device of zinc oxide heating furnace |
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- 2022-11-22 CN CN202223094831.9U patent/CN219199988U/en active Active
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