CN213363400U - Graphite material boat for atmosphere zinc smelting furnace and atmosphere zinc smelting furnace - Google Patents
Graphite material boat for atmosphere zinc smelting furnace and atmosphere zinc smelting furnace Download PDFInfo
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- CN213363400U CN213363400U CN202021949161.2U CN202021949161U CN213363400U CN 213363400 U CN213363400 U CN 213363400U CN 202021949161 U CN202021949161 U CN 202021949161U CN 213363400 U CN213363400 U CN 213363400U
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Abstract
The utility model discloses a graphite material boat and atmosphere zinc smelting pot for atmosphere zinc smelting pot. A graphite material boat for atmosphere zinc smelting pot, including the graphite boat body, the graphite boat body includes boat bottom and boat lateral wall, and the boat bottom encloses with the boat lateral wall and closes the chamber that holds that constitutes to have upper portion open-ended and be used for holding waste material, sets up the air vent that link up from top to bottom on the base member of boat lateral wall, and the air channel has been seted up to the bottom surface of the graphite boat body, air channel and air vent intercommunication to constitute the airflow channel after the graphite material boat assembly is used, the air channel is followed the radial inward extension of the graphite boat body and is covered in the region that the vertical projection of upper portion open-ended covered. The whole structure is reasonable in design, and the performance of the graphite boat is superior to that of the existing graphite boat.
Description
Technical Field
The utility model relates to a metallurgical equipment technical field especially relates to a graphite material boat for atmosphere zinc smelting pot. In addition, the utility model discloses still relate to an atmosphere zinc smelting pot of including above-mentioned graphite material boat that is used for atmosphere zinc smelting pot.
Background
The zinc melting furnace is a device which takes metal zinc as a flux to separate metal elements which are used as a binding phase in the waste hard alloy, and then the metal elements are dispersed into powdery substances.
Basic principle of zinc furnace: mixing waste hard alloy and metal zinc according to a proportion, separating cobalt and tungsten serving as a binding phase in the waste hard alloy from the waste hard alloy through high temperature to form spongy cobalt and tungsten carbide lumps and other powder materials, then continuously heating to change zinc into zinc steam and separate the zinc steam from the materials, and processing the residual materials to prepare new hard alloy again.
The existing zinc smelting furnace mainly recovers zinc by using a vacuum zinc pumping steam mode, the recovery rate of zinc is low, the zinc loss is large, a large amount of zinc is retained in a graphite boat and is attached to a final material, the subsequent production of hard alloy is greatly influenced, and the quality of the hard alloy is directly reduced.
In addition, the current graphite material boat is provided with an air flow channel on the central shaft, the relative temperature of the central shaft relative to other parts is low, and the graphite material boat is easy to adhere to the air flow channel along with the flowing of zinc steam, particularly to the outlet position of a high-temperature smelting area, so that the service life of equipment is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a graphite material boat and atmosphere zinc smelting pot for atmosphere zinc smelting pot to solve the unable assurance of current graphite material boat pump drainage airflow channel temperature, lead to the easy adhesion of zinc steam in equipment and lead to the technical problem that equipment life reduces.
According to the utility model discloses an aspect provides a graphite material boat for atmosphere zinc smelting pot, including the graphite boat body, the graphite boat body is including the boat end and the boat lateral wall, and the boat end encloses with the boat lateral wall and closes the chamber that holds that constitutes to have upper portion open-ended and be used for holding waste material, sets up the air vent that link up from top to bottom on the base member of boat lateral wall, and the air channel has been seted up to the bottom surface of the graphite boat body, air channel and air vent intercommunication to constitute the airflow channel after graphite material boat assembly is used, the air channel radially inwards extends to in the region that upper portion open-ended vertical projection covered along the graphite boat body.
Furthermore, the vent holes and the vent grooves are arranged in a plurality of mode, the vent holes are evenly distributed along the circumferential direction of the side wall of the boat at intervals, and the vent holes and the vent grooves are distributed in a one-to-one correspondence mode.
Furthermore, the vent holes are arranged in a plurality of mode, the vent holes are evenly distributed along the circumferential direction of the side wall of the boat at intervals, the vent grooves are annularly distributed along the circumferential direction of the graphite boat body, and the vent holes are communicated into the vent grooves.
Furthermore, the thickness of the wall body of the part of the boat side wall provided with the vent hole is larger than that of the wall body of other parts.
Furthermore, corners of the inner wall surface of the boat side wall are in arc transition; and/or the corners between the inner wall surface of the boat side wall and the inner wall surface of the boat bottom are in arc transition.
Further, the radial dimension of the accommodating cavity is gradually reduced from top to bottom, so that materials before smelting are loaded into the accommodating cavity and the materials after smelting are taken out smoothly.
Furthermore, heat transfer seams for transferring heat are arranged on the inner wall surface of the boat side wall and/or the inner surface of the boat bottom.
Furthermore, a positioning structure for assembling and positioning with a peripheral structure is arranged on the upper end surface and/or the lower end surface of the graphite boat body.
Furthermore, the positioning structure comprises a positioning groove positioned on the upper end face of the graphite boat body and a positioning boss positioned on the lower end face of the graphite boat body, the positioning groove is matched with the positioning boss in shape and is in a quincunx shape, an oval shape or a polygon shape, two adjacent groups of graphite material boats are connected and positioned through the positioning groove and the positioning boss so as to ensure that the vent holes of the two groups of graphite material boats are continuous and communicated up and down, and the vent grooves of the graphite material boats positioned on the upper part are communicated with the upper openings of the vent grooves of the graphite material boats positioned on the lower part; or the positioning structure comprises an outer edge groove positioned on the outer side of the upper end face of the graphite boat body and an outer edge convex ring positioned on the outer side of the lower end face of the graphite boat body, the outer edge groove is matched with the shape of the joint face of the outer edge convex ring, the joint face of the outer edge groove is quincunx, oval or polygonal, two adjacent groups of graphite material boats are connected and positioned through the outer edge groove and the outer edge convex ring so as to ensure that the vent holes of the two groups of graphite material boats are continuous and communicated up and down, and the vent grooves of the graphite material boats positioned on the upper part are communicated with the upper openings of the vent grooves of the graphite material; or the positioning structure comprises an inner edge convex ring positioned on the lower end surface of the graphite boat body, the shape of the outer side surface of the inner edge convex ring is matched with the shape of the inner wall surface of the upper opening, and the joint surface of the inner edge convex ring is in a quincunx shape, an oval shape or a polygon shape, two adjacent groups of graphite material boats are connected and positioned with the upper opening through the inner edge convex ring so as to ensure that the vent holes of the two groups of graphite material boats are continuous and communicated up and down, and the vent grooves of the upper graphite material boat are communicated with the upper openings of the vent grooves of the.
According to another aspect of the utility model, still provide an atmosphere zinc smelting pot, it includes above-mentioned graphite material boat that is used for atmosphere zinc smelting pot.
The utility model discloses following beneficial effect has:
the utility model discloses a graphite material boat for atmosphere zinc smelting pot encloses to close by the boat bottom and boat lateral wall and forms and only has the upper portion open-ended and hold the chamber to the combination constitutes the graphite boat body that is used for the splendid attire material, can the more materials of splendid attire. In the prior art, the airflow channel of the graphite boat is arranged on the central axis of the graphite boat, heat outside the graphite boat can be applied to zinc steam flowing in the airflow channel through the outer wall, the material and the airflow channel, so that the zinc steam is easy to be attached to the inner wall surface of the airflow channel when being cooled in the flowing process, and is especially easy to be attached to the output end of the airflow channel, and the zinc is attached to equipment and is harmful to the equipment, so that the equipment is damaged and the service life of the equipment is reduced. Further, the zinc steam is prevented from condensing into a liquid state or a solid state in the conveying process, the zinc smelting furnace is prevented from being damaged, the maintenance period of the zinc smelting furnace can be obviously shortened, and the service life of the zinc smelting furnace is prolonged. The vent holes are dispersedly distributed on the periphery of the graphite boat body and communicated with the vent grooves, so that the gas diffusion area of the graphite boat is increased, the gas circulation is increased, the discharge efficiency of zinc vapor is improved, and the retention of the zinc vapor in the accommodating cavity is reduced; the ventilation grooves extend inwards to the area covered by the vertical projection of the upper opening along the radial direction of the graphite boat body, when the graphite material boats are stacked up and down, the upper opening of the graphite material boat positioned below is communicated with the ventilation grooves of the graphite material boat positioned above, zinc metal in the material in the graphite material boat positioned below is heated and evaporated to form zinc steam, the zinc steam flows upwards and is conveyed and discharged through the airflow channel of the graphite material boat positioned above, and the airflow channel of the graphite material boat positioned below is used as a channel for conveying and discharging the next layer of zinc steam; through this setting, the chamber that holds of utilization graphite material boat that can the maximize improves the load capacity of material, and the peripheral structure space of make full use of graphite material boat simultaneously ensures airflow channel's unobstructed and improves airflow channel's heat transfer performance, has eliminated zinc steam and has met the equipment harm risk of condensation at transportation process. In addition, the central axis ventilation mode of the existing graphite boat is changed into the peripheral ventilation mode, so that the contact area between the wall body of the graphite boat and the material in the containing cavity is reduced, and the material is conveniently loaded and smoothly taken out. The whole structure is reasonable in design, and the performance of the graphite boat is obviously superior to that of the existing graphite boat.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic perspective view of a graphite boat for an atmospheric zinc melting furnace according to a preferred embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a graphite boat for an atmospheric zinc melting furnace according to a preferred embodiment of the present invention;
FIG. 3 is a schematic bottom view of a graphite boat for an atmospheric zinc melting furnace according to a preferred embodiment of the present invention;
FIG. 4 is a second schematic perspective view of a graphite boat for an atmospheric zinc melting furnace according to a preferred embodiment of the present invention;
FIG. 5 is a schematic top view of the structure of FIG. 4;
FIG. 6 is a third schematic perspective view of a graphite boat for an atmospheric zinc melting furnace according to a preferred embodiment of the present invention;
fig. 7 is a fourth schematic view of the three-dimensional structure of the graphite boat for the atmospheric zinc melting furnace according to the preferred embodiment of the present invention. Illustration of the drawings:
1. a graphite boat body; 101. a boat bottom; 102. a boat side wall; 103. an upper opening; 104. an accommodating chamber; 2. a vent hole; 3. a vent channel; 4. a heat transfer seam; 5. and (5) positioning structure.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered below.
FIG. 1 is a schematic perspective view of a graphite boat for an atmospheric zinc melting furnace according to a preferred embodiment of the present invention; FIG. 2 is a schematic cross-sectional view of a graphite boat for an atmospheric zinc melting furnace according to a preferred embodiment of the present invention; FIG. 3 is a schematic bottom view of a graphite boat for an atmospheric zinc melting furnace according to a preferred embodiment of the present invention; FIG. 4 is a second schematic perspective view of a graphite boat for an atmospheric zinc melting furnace according to a preferred embodiment of the present invention; FIG. 5 is a schematic top view of the structure of FIG. 4; FIG. 6 is a third schematic perspective view of a graphite boat for an atmospheric zinc melting furnace according to a preferred embodiment of the present invention; fig. 7 is a fourth schematic view of the three-dimensional structure of the graphite boat for the atmospheric zinc melting furnace according to the preferred embodiment of the present invention.
As shown in fig. 1 and fig. 2, the graphite boat for an atmospheric zinc melting furnace according to the present embodiment includes a graphite boat body 1, the graphite boat body 1 includes a boat bottom 101 and a boat side wall 102, the boat bottom 101 and the boat side wall 102 enclose a containing cavity 104 for containing waste materials, the containing cavity has an upper opening 103, a base of the boat side wall 102 is provided with a vent hole 2 which is through from top to bottom, a bottom surface of the graphite boat body 1 is provided with a vent groove 3, the vent groove 3 is communicated with the vent hole 2 to form an air flow channel after the graphite boat is assembled and applied, and the vent groove 3 extends inward along a radial direction of the graphite boat body 1 to an area covered by a vertical projection of the upper opening 103. The utility model discloses a graphite material boat for atmosphere zinc smelting pot encloses by the boat bottom 101 and the boat lateral wall 102 and closes the chamber 104 that holds that forms only to have upper portion opening 103 to the combination constitutes the graphite boat body 1 that is used for the splendid attire material, can the more materials of splendid attire. In the prior art, the air flow channel of the graphite boat is arranged on the central axis of the graphite boat, heat outside the graphite boat can be applied to zinc steam flowing in the air flow channel through the outer wall, the material and the air flow channel, so that the zinc steam is easily caused to be cooled in the flowing process and attached to the inner wall surface of the air flow channel, and is particularly easily attached to the output end of the air flow channel, and the zinc is attached to equipment and is harmful to the equipment, so that the equipment is damaged and the service life of the equipment is reduced, the graphite boat for the atmosphere zinc smelting furnace changes the air flow channel on the basal body of the boat side wall 102, namely, the basal body of the boat side wall 102 is provided with the vent holes 2 which are communicated up and down, the bottom surface of the graphite boat body 1 is provided with the vent grooves 3 which are communicated with the vent holes 2 to form the air flow channel after the graphite boat is assembled and applied, so that the air flow channel can be more directly contacted with high temperature outside the graphite, further, the zinc steam is prevented from condensing into a liquid state or a solid state in the conveying process, the zinc smelting furnace is prevented from being damaged, the maintenance period of the zinc smelting furnace can be obviously shortened, and the service life of the zinc smelting furnace is prolonged. The vent holes 2 are distributed around the graphite boat body 1 and communicated with the vent grooves 3, so that the gas diffusion area of the graphite boat is increased, the gas circulation is increased, the discharge efficiency of zinc vapor is improved, and the retention of the zinc vapor in the accommodating cavity 104 is reduced. The vent grooves 3 extend inwards to the area covered by the vertical projection of the upper opening 103 along the radial direction of the graphite boat body 1, when the graphite material boats are stacked up and down, the upper opening 103 of the graphite material boat positioned below is communicated with the vent grooves 3 of the graphite material boat positioned above, zinc metal in the material in the graphite material boat positioned below is heated and evaporated to form zinc steam, the zinc steam flows upwards and is conveyed and discharged through the air flow channel of the graphite material boat positioned above, and the air flow channel of the graphite material boat positioned below is used as a channel for conveying and discharging the zinc steam of the next layer; through this setting, the chamber 104 that holds that utilizes graphite material boat that can the maximize improves the load capacity of material, and the peripheral structure space of make full use of graphite material boat simultaneously ensures airflow channel's unobstructed and improves airflow channel's heat transfer performance, has eliminated zinc steam and has met the equipment harm risk of condensation at transportation process. In addition, the central axis ventilation mode of the existing graphite boat is changed into the peripheral ventilation mode, so that the contact area between the wall body of the graphite boat and the material in the containing cavity 104 is reduced, and the material can be conveniently loaded and smoothly taken out. The whole structure is reasonable in design, and the performance of the graphite boat is obviously superior to that of the existing graphite boat. The existing graphite material boat has an airflow channel which is arranged on the central axis of the graphite material boat, the material is affected by thermal expansion and cold contraction, when the material in the graphite material boat is cooled after being smelted, the material can contract inwards in the cooling process and is tightly attached to the outer wall surface of the airflow channel on the central axis, so that the final product material smelted in the graphite material boat can not be taken out, and the material needs to be taken out by means of external force, so that the graphite material boat is easy to break, and the process cost is increased; and the utility model discloses graphite material boat changes air flow channel into and sets up on the base member of the boat lateral wall 102 of graphite material boat, and the material receives expend with heat and contract with cold's influence, and when the material in the graphite material boat was smelted and is finished the back and cool off, the material inwards contracts and breaks away from the internal face of boat lateral wall 102 in the cooling process for the final products material after smelting in the graphite material boat can be followed graphite material boat easily and from deviating from, makes to get the material and becomes easier.
As shown in fig. 2 and 3, in the present embodiment, a plurality of vent holes 2 and a plurality of vent grooves 3 are provided, the plurality of vent holes 2 are uniformly arranged at intervals in the circumferential direction of the boat side wall 102, and the vent holes 2 and the vent grooves 3 are arranged in one-to-one correspondence. Through the arrangement of the plurality of groups of vent holes 2 and vent grooves 3, the ventilation capacity is increased, so that the gasified zinc vapor can quickly overflow, and the adverse effect on the subsequently manufactured alloy product caused by retention in the accommodating cavity 104 is avoided; meanwhile, the heat conduction efficiency inside and outside the graphite boat can be improved, and the energy consumption and the heat loss are reduced.
As shown in fig. 6 and 7, in the present embodiment, a plurality of vent holes 2 are provided, the plurality of vent holes 2 are uniformly arranged at intervals in the circumferential direction of the boat side wall 102, the vent grooves 3 are annularly arranged in the circumferential direction of the graphite boat body 1, and the vent holes 2 are all communicated with the vent grooves 3. Another air flow channel form is formed, so that the zinc vapor in the accommodating cavity 104 is uniformly dispersed into each vent hole 2 through the vent groove 3 and is continuously conveyed and discharged downstream. The ventilation quantity can be increased, so that the zinc steam formed after gasification can quickly overflow, and the adverse effect on the alloy product manufactured subsequently due to the retention of the zinc steam in the accommodating cavity 104 is avoided; meanwhile, the heat conduction efficiency inside and outside the graphite boat can be improved, and the energy consumption and the heat loss are reduced. Thereby achieving the following steps: the gas expansion area of the zinc steam is increased, so that the smelting process time of the zinc smelting furnace is reduced, and the phenomenon of overflowing is not easy to occur.
As shown in fig. 1, 4 and 5, in the present embodiment, the wall thickness of the part of the boat side wall 102 where the vent holes 2 are opened is greater than the wall thickness of the other parts. The radial dimension of the vent holes 2 is increased while ensuring the wall strength of the boat side wall 102, ensuring sufficient gas flow delivery capability to enable rapid evacuation of zinc vapor from the containment chamber 104.
As shown in fig. 1, 4 and 5, in the present embodiment, the corners of the inner wall surface of the boat side wall 102 are all in arc transition; and/or the corners between the inner wall surfaces of the boat side walls 102 and the inner wall surfaces of the boat bottom 101 are in arc transition. The corner position is the position that is detained material or gas most easily, and the arc transition is all adopted to the corner, can be favorable to the discharge of zinc steam and take out of material, avoids material or zinc steam to be detained in the corner position.
As shown in fig. 2, 4 and 5, in this embodiment, the radial dimension of the accommodating cavity 104 is gradually reduced from top to bottom, so as to facilitate the charging of the materials before melting and the smooth taking of the materials after melting, and facilitate the rapid discharge of the zinc vapor. The radial dimension of the accommodating cavity 104 is gradually reduced from top to bottom, so that the upper opening 103 is enlarged as much as possible, and the material is convenient to load.
As shown in fig. 4 and 5, in the present embodiment, the inner wall surface of the boat side wall 102 and/or the inner surface of the boat bottom 101 is provided with heat transfer slits 4 for transferring heat. Although graphite boat body 1 of graphite material can the uniform transfer heat, but along with the difference of holding the interior material loading of chamber 104, and the nature of material itself is different, the material probably has the difference of being heated all around, and through set up heat transfer seam 4 on the internal face at graphite boat body 1, be favorable to holding the quick transmission of heat in the chamber 104, make the heat transmit the region of piling up of material fast, ensure that the material can more even be heated and fully be heated, and then with higher speed cobalt, the separation is followed from useless carbide to tungsten, and the gasification of zinc metal is accelerated, and then improve the work efficiency of zinc smelting pot equipment.
As shown in fig. 2 and 3, in the present embodiment, the upper end surface and/or the lower end surface of the graphite boat body 1 is provided with a positioning structure 5 for positioning and assembling with a peripheral structure. The graphite material boat has the advantages that the rapid installation and positioning among the graphite material boats can be ensured when the graphite material boats are vertically stacked, the vent holes 2 of the graphite material boats can be continuously communicated up and down, and the smoothness of the whole air flow channel is ensured.
As shown in fig. 2 and fig. 3, in the present embodiment, the positioning structure 5 includes a positioning groove located on the upper end surface of the graphite boat body 1 and a positioning boss located on the lower end surface of the graphite boat body 1, the positioning groove and the positioning boss are matched in shape and have a quincunx shape, an oval shape or a polygon shape, two adjacent graphite boats are connected and positioned by the positioning groove and the positioning boss, so as to ensure that the vent holes 2 of the two graphite boats are continuous and through up and down, and the vent grooves 3 of the graphite boat at the upper part are communicated with the upper openings 103 of the vent grooves 3 of the graphite boat at the lower part; or the positioning structure 5 comprises an outer edge groove positioned on the outer side of the upper end face of the graphite boat body 1 and an outer edge convex ring positioned on the outer side of the lower end face of the graphite boat body 1, the shapes of the outer edge groove and the joint face of the outer edge convex ring are matched, the joint faces of the outer edge groove and the outer edge convex ring are quincunx, oval or polygonal, two adjacent groups of graphite material boats are connected and positioned through the outer edge groove and the outer edge convex ring, so that the vent holes 2 of the two groups of graphite material boats are continuous and communicated from top to bottom, and the vent grooves 3 of the graphite material boats positioned at the upper part are communicated with the upper openings 103 of the vent grooves 3; or the positioning structure 5 comprises an inner edge convex ring positioned on the lower end surface of the graphite boat body 1, the shape of the outer side surface of the inner edge convex ring is matched with the shape of the inner wall surface of the upper opening 103, the joint surface of the inner edge convex ring is in a quincunx shape, an oval shape or a polygon shape, two adjacent groups of graphite material boats are connected and positioned with the upper opening 103 through the inner edge convex ring so as to ensure that the vent holes 2 of the two groups of graphite material boats are continuous and communicated up and down, and the vent grooves 3 of the upper graphite material boat are communicated with the upper openings 103 of the vent grooves 3 of the lower graphite. Optionally, the arrangement positions of the positioning groove and the positioning boss can be interchanged; or the arrangement positions of the outer edge groove and the outer edge convex ring can be interchanged. Alternatively, the positioning structure 5 can also adopt the matching of tenon tooth and mortise, or the matching of lug and groove, or other similar matching structures; through the arrangement of the structure, the two adjacent graphite material boats can be conveniently and quickly positioned and butted with each other, so that the up-and-down continuous through of the vent holes 2 and the circumferential and radial positioning between the vent holes are ensured. The different types of the positioning structures 5 can be selected according to the structural form of the graphite material boat, the manufacturing and processing cost, the processing difficulty and the like, and the manufacturing cost and the manufacturing efficiency are reduced as far as possible while the structure is arranged so as to facilitate the rapid positioning and butt joint between two adjacent graphite material boats, further ensure the vertical continuous through of the vent holes 2 and the functions of circumferential and radial positioning between the two graphite material boats.
The atmospheric zinc furnace of the present embodiment includes the graphite boat for an atmospheric zinc furnace described above. With graphite material boat through piling up the combination and using in the atmosphere zinc smelting furnace to keep the unobstructed of the airflow channel of the graphite material boat of piling up, and ensure that the heat in the air current circulation system keeps stable, graphite material boat wholly can obtain abundant space utilization, holds the material load capacity in the chamber 104 and can obtain promoting.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A graphite material boat for an atmosphere zinc smelting furnace comprises a graphite boat body (1), wherein the graphite boat body (1) comprises a boat bottom (101) and a boat side wall (102),
the boat bottom (101) and the boat side wall (102) enclose to form a containing cavity (104) which is provided with an upper opening (103) and is used for containing waste materials,
it is characterized in that the preparation method is characterized in that,
the basal body of the boat side wall (102) is provided with a vent hole (2) which is communicated up and down, the bottom surface of the graphite boat body (1) is provided with a vent groove (3), the vent groove (3) is communicated with the vent hole (2) to form an airflow channel after the graphite boat is assembled and applied,
the vent groove (3) extends inwards along the radial direction of the graphite boat body (1) to the area covered by the vertical projection of the upper opening (103).
2. The graphite boat for an atmospheric zinc furnace of claim 1,
the vent holes (2) and the vent grooves (3) are all provided with a plurality of vent holes (2) which are uniformly distributed at intervals along the circumferential direction of the boat side wall (102), and the vent holes (2) and the vent grooves (3) are distributed in a one-to-one correspondence manner.
3. The graphite boat for an atmospheric zinc furnace of claim 1,
the graphite boat is characterized in that a plurality of vent holes (2) are arranged, the vent holes (2) are uniformly distributed at intervals along the circumferential direction of the boat side wall (102), the vent grooves (3) are annularly distributed along the circumferential direction of the graphite boat body (1), and the vent holes (2) are communicated into the vent grooves (3).
4. The graphite boat for an atmospheric zinc furnace of claim 1,
the wall thickness of the part of the boat side wall (102) provided with the vent hole (2) is larger than the wall thickness of other parts.
5. The graphite boat for an atmospheric zinc furnace of claim 4,
corners of the inner wall surface of the boat side wall (102) are in arc transition; and/or
The corners between the inner wall surface of the boat side wall (102) and the inner wall surface of the boat bottom (101) are in arc transition.
6. A graphite boat for atmospheric zinc furnaces according to any one of claims 1 to 5,
the radial size of the accommodating cavity (104) is gradually reduced from top to bottom, so that materials before smelting are loaded into the accommodating cavity and materials after smelting are taken out smoothly.
7. A graphite boat for atmospheric zinc furnaces according to any one of claims 1 to 5,
and heat transfer seams (4) for transferring heat are arranged on the inner wall surface of the boat side wall (102) and/or the inner surface of the boat bottom (101).
8. A graphite boat for atmospheric zinc furnaces according to any one of claims 1 to 5,
and a positioning structure (5) for assembling and positioning with a peripheral structure is arranged on the upper end surface and/or the lower end surface of the graphite boat body (1).
9. The graphite boat for an atmospheric zinc furnace of claim 8,
the positioning structure (5) comprises a positioning groove positioned on the upper end face of the graphite boat body (1) and a positioning boss positioned on the lower end face of the graphite boat body (1), the positioning groove is matched with the positioning boss in shape and is quincunx, oval or polygonal, two adjacent groups of graphite material boats are connected and positioned through the positioning groove and the positioning boss so as to ensure that the vent holes (2) of the two groups of graphite material boats are continuous and communicated up and down, and the vent grooves (3) of the graphite material boats positioned at the upper part are communicated with the upper openings (103) of the vent grooves (3) of the graphite material boats positioned at the lower part; or
The positioning structure (5) comprises an outer edge groove positioned on the upper end face of the graphite boat body (1) for external assistance and an outer edge convex ring positioned on the lower end face of the graphite boat body (1) for external assistance, the shape of the joint face of the outer edge groove and the outer edge convex ring is matched, the joint face of the outer edge groove and the joint face of the outer edge convex ring is in a quincunx shape, an oval shape or a polygon shape, two adjacent groups of graphite material boats are connected and positioned through the outer edge groove and the outer edge convex ring so as to ensure that the vent holes (2) of the two groups of graphite material boats are continuous and communicated from top to bottom, and the vent grooves (3) of the graphite material boat at the upper part are communicated with the upper opening (103) of the vent; or
The positioning structure (5) comprises an inner edge convex ring arranged on the lower end face of the graphite boat body (1), the outer side surface shape of the inner edge convex ring is matched with the shape of the inner wall surface of the upper opening (103), the joint surface of the inner edge convex ring is in a quincunx shape, an oval shape or a polygon shape, the adjacent two groups of graphite boats are connected and positioned with the upper opening (103) through the inner edge convex ring, so that the two groups of graphite boats are ensured to be continuously and communicated with the vent holes (2) up and down, and the upper graphite boat is positioned in the vent grooves (3) and the lower graphite boat is communicated with the upper opening (103) of the vent grooves (3).
10. An atmospheric zinc furnace comprising a graphite boat for an atmospheric zinc furnace according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN113547092A (en) * | 2021-07-22 | 2021-10-26 | 江阴金属材料创新研究院有限公司 | Multi-element copper alloy up-drawing furnace and up-drawing casting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113547092A (en) * | 2021-07-22 | 2021-10-26 | 江阴金属材料创新研究院有限公司 | Multi-element copper alloy up-drawing furnace and up-drawing casting method |
| CN113547092B (en) * | 2021-07-22 | 2023-09-15 | 东莞市凤岗冠铸铜业有限公司 | Multi-element copper alloy upward furnace and casting method |
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