CN212362855U - Copper bar preheating furnace - Google Patents
Copper bar preheating furnace Download PDFInfo
- Publication number
- CN212362855U CN212362855U CN202021149033.XU CN202021149033U CN212362855U CN 212362855 U CN212362855 U CN 212362855U CN 202021149033 U CN202021149033 U CN 202021149033U CN 212362855 U CN212362855 U CN 212362855U
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- Prior art keywords
- furnace body
- track
- copper bar
- furnace
- rail
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 42
- 239000010949 copper Substances 0.000 title claims abstract description 42
- 239000011449 brick Substances 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 20
- 239000010439 graphite Substances 0.000 claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 230000003064 anti-oxidating effect Effects 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 239000012774 insulation material Substances 0.000 claims abstract description 3
- 239000000919 ceramic Substances 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 9
- 238000002791 soaking Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 229910000619 316 stainless steel Inorganic materials 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 238000005485 electric heating Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The utility model discloses a bar copper preheater, this preheater is the track furnace, is provided with defeated material passageway and pay-off rail in its furnace body, and pay-off rail both ends pass the feed inlet and the discharge gate of track furnace body respectively, and is equipped with the preheating chamber on the part that the pay-off rail stretches into in the track furnace body, be provided with the heating unit in the preheating chamber, the heating unit symmetry sets up in pay-off rail upper and lower part, and its region of setting corresponds the intermediate position of track furnace body, and both sides carry out spacing filling through the building block of hollow firebrick; meanwhile, a graphite sheath is sleeved on the outer side of the heating unit, an anti-oxidation coating is formed on the surface of the graphite sheath, and the graphite sheath is overlapped on the hollow refractory brick building block at two sides; the outer surface of the graphite sheath is lined with a refractory fiber felt layer, and a heat insulation material is filled between the refractory fiber felt layer and the furnace body shell. The utility model discloses the copper bar that can effectively guarantee to feed in succession preheats the uniformity of degree in the furnace body.
Description
Technical Field
The utility model relates to a heat treatment device in the copper processing field specifically is a bar copper preheater that can be used to treat the bar copper of tensile processing and carry out preheating.
Background
In the prior art, a copper bar or a copper bar is used as a raw material, secondary processing operation is usually required in the use process, and before the secondary processing of the copper bar used as a blank, the copper bar is usually required to be preheated to improve the plasticity of the copper bar, so that secondary processing forming steps such as stretching, extruding and the like are conveniently carried out in the subsequent operation process.
When carrying out this type of processing to the bar copper, its furnace body equipment commonly used is the track stove, and the bar copper gets into from track stove one end, sends out from the other end after the furnace body heating and can directly process, and at this in-process, the bar copper keeps the continuous motion state through the track stove in the furnace body. The heat efficiency and the heat preservation performance of the furnace chamber part of the furnace body directly influence the energy consumption of equipment and have important influence on the cost control of the whole secondary processing molding; meanwhile, the structure of the furnace body also directly influences the preheating effect and the preheating efficiency of the copper bar raw material; the uniformity of heating of the copper bar raw material must be ensured, and the yield and quality of secondary processing such as subsequent stretching, extrusion and the like can be ensured.
Disclosure of Invention
The utility model provides a technical problem provide a bar copper preheater, its furnace body structure's thermal insulation performance is good, and the soaking is good to solve the shortcoming in the above-mentioned background art.
The utility model provides a technical problem adopt following technical scheme to realize:
a copper bar preheating furnace comprises a track furnace body, wherein a material conveying channel is arranged in the furnace body along the length direction of the furnace body, a material conveying rail with a hollow structure is arranged on the material conveying channel, two ends of the material conveying rail respectively penetrate through a material inlet and a material outlet of the track furnace body, a preheating cavity is sleeved on a part extending into the track furnace body, heating units are arranged in the preheating cavity, are symmetrically arranged on the upper part and the lower part of the material conveying rail, the arrangement area of the heating units corresponds to the middle position of the track furnace body, the length of the heating units is 2/3 of the length of the track furnace body, and the two sides of each heating unit are subjected to limiting filling in the length direction of the track furnace body through hollow refractory brick building blocks; meanwhile, a graphite sheath is sleeved on the outer side of the heating unit, an anti-oxidation coating is formed on the surface of the graphite sheath, and the graphite sheath is overlapped on the hollow refractory brick building block at two sides; the outer surface of the graphite sheath is lined with a refractory fiber felt layer, and a heat insulation material is filled between the refractory fiber felt layer and the furnace body shell.
As further limitation, the feed inlet and the discharge outlet are consistent with a copper bar to be processed, so that the copper bar is horizontally placed on the feeding rail and is fed into the furnace body of the track furnace.
In a further aspect, the feeding rail is provided with stabilizing structures for fixing the position of the copper bar to be processed, preferably a placing seat or a placing groove, at equal intervals.
As a further limitation, a layer of ceramic fiber cloth with the thickness of 2-3 mm is lined on the feeding rail, the ceramic fiber cloth is preferably reinforced by 310 or 316 stainless steel wires, and soaking heat-conducting paint or tin foil is formed on the surface of the ceramic fiber cloth.
By way of further limitation, the hollow refractory brick blocks are filled with glass fibers.
The heat insulating material is a combined heat insulating material and comprises a first refractory brick arranged on the refractory fiber felt layer side and a second refractory brick arranged on the furnace shell side, and the thermal conductivity of the first refractory brick is smaller than that of the second refractory brick.
Has the advantages that: the utility model discloses can effectively guarantee that the bar copper feeds in the furnace body in succession, preheat the homogeneity of chamber part intermediate temperature through heating element and graphite sheath combination in the thermal efficiency that improves heating element and the furnace body, guarantee the uniformity of the bar copper that feeds in succession and preheat the degree in the furnace body, guarantee the secondary and add stability of product quality man-hour to reduce the energy consumption.
Drawings
Fig. 1 is a schematic diagram of a preferred embodiment of the present invention.
Fig. 2 is a schematic structural view of a feeding rail according to a preferred embodiment of the present invention.
Wherein: 1. a material conveying channel; 2. a delivery channel support; 3. a feeding rail; 4. a furnace body shell; 5. a second refractory brick; 6. a hollow firebrick block at the front; 7. a first refractory brick; 8. a refractory fiber felt layer; 9. a graphite sheath; 10. an electric heating tube; 11. a rear hollow refractory brick block; 12. electric heating tube leads; 13. a furnace body support; 14. a copper bar; 15. a ceramic fiber cloth; 16. placing the seat.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Referring to fig. 1 and 2, in the preferred embodiment of the copper rod preheating furnace, in this embodiment, the furnace body of the copper rod preheating furnace is arranged on a furnace body support 13 and is of a rail furnace structure, the furnace body includes a furnace body shell 4 formed by cast iron, a feeding port and a discharging port are respectively arranged on two sides of the furnace body shell 4, and a material conveying channel 1 is arranged on the plane of the feeding port and the plane of the discharging port, and the two sides of the material conveying channel 1 extending out of the furnace body shell 4 are respectively connected with the front-end equipment of the previous process and the rear-end equipment of the next process through the material conveying channel support.
In this embodiment, the left side of the material conveying channel 1 is a feeding end, the width of a corresponding feeding port is consistent with the length of a copper bar 14 to be processed, the material conveying channel 1 is provided with a material conveying rail 3, the structure of the material conveying rail 3 is as shown in fig. 2, a plurality of placing seats 16 are arranged on the material conveying channel at equal intervals, the width of each placing seat 16 is matched with the length of the copper bar 14 to be processed, the copper bar 14 is placed on the placing seats 16, the copper bar 14 is horizontally placed on the material conveying rail 3, and the copper bar 14 is conveyed into the furnace body of the rail furnace through the material conveying rail 3 to be preheated. In order to improve the stability of the copper bar 14 placed on the placing seat 16 and improve the soaking stabilizing effect, a layer of ceramic fiber cloth 15 with the thickness of 3mm and reinforced by 310 stainless steel wires is further formed on the plane of the feeding rail 3 corresponding to the placing seat 16, and soaking heat-conducting paint is formed on the surface of the ceramic fiber cloth 15.
The inner side of the furnace body shell 4 is sequentially provided with a second refractory brick 5 and a first refractory brick 7 so as to match a graphite sheath 9 for heat preservation and uniform heating in the cavity through a double-layer refractory brick structure, the second refractory brick 5 and the first refractory brick 7 are both inorganic refractory bricks, the heat conductivity coefficient of the first refractory brick 7 is smaller than that of the second refractory brick 5, the inner side of the second refractory brick 5 is lined with a refractory fiber felt layer 8, a preheating cavity is formed on the inner side of the refractory fiber felt layer 8 and the outer side of the material conveying channel 1, and the preheating cavity comprises the graphite sheath 9 and a heating unit.
Wherein, the heating unit is an electric heating tube 10 which is uniformly arranged at the upper and lower parts of the material conveying channel 1 corresponding to the material conveying rail 3, and the electric heating tube lead 12 of the electric heating tube 10 extends out of the first refractory brick 7, the second refractory brick 5 and the furnace body shell 4 through a pre-opened protective sleeve and is externally connected with a power supply. The length of the electric heating tube 10 is 2/3 corresponding to the middle position of the furnace body of the track furnace, and the two sides of the electric heating tube 10 are respectively limited by the front hollow refractory brick block 6 and the rear hollow refractory brick block 11. The graphite sheath 9 is arranged outside the electric heating tube 10 and is not contacted with the electric heating tube 10, an anti-oxidation coating is formed on the surface of the graphite sheath 9, the two sides of the graphite sheath are respectively overlapped on the front hollow refractory brick block 6 and the rear hollow refractory brick block 11, and glass fibers are filled in hollow parts of the front hollow refractory brick block 6 and the rear hollow refractory brick block 11. The combination of the refractory bricks can effectively gather the electric heating tube 10 at the position of the preheating cavity, and the uniformity of temperature rise in the preheating cavity is ensured through the graphite sheath 9.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A copper bar preheating furnace comprises a track furnace body and is characterized in that a material conveying channel is arranged in the furnace body along the length direction of the furnace body, a feeding rail with a hollow structure is arranged on the material conveying channel, two ends of the feeding rail respectively penetrate through a feeding hole and a discharging hole of the track furnace body, a preheating cavity is sleeved on the part, extending into the track furnace body, of the feeding rail, heating units are arranged in the preheating cavity, the heating units are symmetrically arranged on the upper portion and the lower portion of the feeding rail, the arrangement area of the heating units corresponds to the middle position of the track furnace body, the length of the heating units is 2/3 of the length of the track furnace body, and two sides of each heating unit are subjected to limiting filling in the length direction of the track furnace body through hollow refractory brick building blocks; meanwhile, a graphite sheath is sleeved on the outer side of the heating unit, an anti-oxidation coating is formed on the surface of the graphite sheath, and the graphite sheath is overlapped on the hollow refractory brick building block at two sides; the outer surface of the graphite sheath is lined with a refractory fiber felt layer, and a heat insulation material is filled between the refractory fiber felt layer and the furnace body shell.
2. The copper bar preheating furnace according to claim 1, wherein the feed port and the discharge port are aligned with the copper bar to be processed, so that the copper bar is horizontally placed on the feed rail and fed into the furnace body of the track furnace.
3. The copper bar preheating furnace according to claim 1, wherein the feeding rails are provided with placing seats or placing grooves for stably placing the copper bars to be processed at equal intervals.
4. The preheating furnace for copper bars according to claim 1, wherein the feeding rail is lined with a layer of ceramic fiber cloth with a thickness of 2-3 mm.
5. The preheating furnace for copper bars according to claim 4, wherein the ceramic fiber cloth is reinforced by 310 or 316 stainless steel wires, and heat-soaking heat-conducting paint or tin foil is formed on the surface of the ceramic fiber cloth.
6. The copper bar preheating furnace according to claim 1, wherein the hollow refractory brick blocks are filled with glass fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021149033.XU CN212362855U (en) | 2020-06-19 | 2020-06-19 | Copper bar preheating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021149033.XU CN212362855U (en) | 2020-06-19 | 2020-06-19 | Copper bar preheating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212362855U true CN212362855U (en) | 2021-01-15 |
Family
ID=74151389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021149033.XU Active CN212362855U (en) | 2020-06-19 | 2020-06-19 | Copper bar preheating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212362855U (en) |
-
2020
- 2020-06-19 CN CN202021149033.XU patent/CN212362855U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A copper bar preheating furnace Effective date of registration: 20230117 Granted publication date: 20210115 Pledgee: Agricultural Bank of China Limited Zhuzhou High-tech Development Zone Sub-branch Pledgor: ZHUZHOU AMALLOY MATERIAL Co.,Ltd. Registration number: Y2023980031272 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210115 Pledgee: Agricultural Bank of China Limited Zhuzhou High-tech Development Zone Sub-branch Pledgor: ZHUZHOU AMALLOY MATERIAL Co.,Ltd. Registration number: Y2023980031272 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A copper rod preheating furnace Granted publication date: 20210115 Pledgee: Agricultural Bank of China Limited Zhuzhou branch Pledgor: ZHUZHOU AMALLOY MATERIAL Co.,Ltd. Registration number: Y2024980012175 |