CN111521027A - Semi-closed multipurpose integrated cooling furnace - Google Patents
Semi-closed multipurpose integrated cooling furnace Download PDFInfo
- Publication number
- CN111521027A CN111521027A CN202010425829.1A CN202010425829A CN111521027A CN 111521027 A CN111521027 A CN 111521027A CN 202010425829 A CN202010425829 A CN 202010425829A CN 111521027 A CN111521027 A CN 111521027A
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- semi
- wall body
- cooling furnace
- enclosed
- spray header
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/007—Cooling of charges therein
- F27D2009/0081—Cooling of charges therein the cooling medium being a fluid (other than a gas in direct or indirect contact with the charge)
- F27D2009/0083—Cooling of charges therein the cooling medium being a fluid (other than a gas in direct or indirect contact with the charge) the fluid being water
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The invention relates to a semi-closed type multipurpose integrated cooling furnace, which belongs to the technical field of cooling furnaces and comprises a fixed base, wherein a left side wall body which is fixedly connected is arranged at the left side of the fixed base, a semi-closed right side frame body which is fixedly connected is arranged at the right side of the fixed base, a rear side wall body which is fixedly connected is arranged between the left side wall body and the rear side of the right side frame body, a top wall body which is fixedly connected is arranged between the upper side of the left side wall body and the upper side of the right side frame body, a door which is connected in a sliding manner is arranged between the front sides of the left side wall body and the right side frame body, a right side spray water pipe which is communicated is uniformly arranged in the right side frame body, a fan is uniformly arranged on the left side wall body, an air suction device is arranged above the top wall body, a top spray water pipe, the shorter the pressing time.
Description
Technical Field
The invention relates to a semi-closed multipurpose integrated cooling furnace, and belongs to the technical field of cooling furnaces.
Background
The purpose of ingot casting homogenization annealing is to ensure that unbalanced eutectic structures in the ingot casting tend to be uniformly distributed in a matrix, and supersaturated solid solutions are precipitated from the solid solutions, so as to achieve the purposes of eliminating casting hard force, improving ingot casting plasticity, reducing deformation resistance and improving product processing structure and performance. The effects of the homogenization annealing are mainly influenced by the heating temperature, the heat preservation time and the cooling speed. Studies have shown that different cooling rates have a significant effect on the annealing quality at the same heating temperature and holding time.
The cooling furnaces in the prior art are all totally enclosed cooling furnaces, and when an ingot is cooled, the cooling intensity of the edge part and the center is not uniform in the cooling circulation process due to the fact that the furnace body is enclosed, the temperature difference can reach 40-60 ℃, and the annealing quality cannot be guaranteed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a semi-closed multipurpose integrated cooling furnace.
The technical scheme for solving the technical problems is as follows:
the utility model provides an integrative cooling furnace of semi-enclosed multipurpose, includes unable adjustment base, and unable adjustment base left side wall body, the right side that is equipped with fixed connection are equipped with the semi-enclosed right side support body of fixed connection, are equipped with sliding connection's door between fixed connection's the rear wall body, the top between the rear side wall body of left side wall body and right side support body, the top that is equipped with fixed connection, the front side, evenly be equipped with the right side spray header of intercommunication in the support body of right side, evenly be equipped with the fan on the wall body of left side, top wall body top is equipped with the device that induced drafts, the top spray header that the below evenly was equipped with the intercommunication, the unable adjustment base center is equipped with the.
Preferably, the number of the right side spray header is more than six.
Preferably, the number of the right-side shower pipes is twelve.
Preferably, six nozzles are arranged on the right side spray header.
Preferably, the number of the top shower pipes is three.
Preferably, twenty nozzles are arranged on the top spray header.
Preferably, the top spray header and the right spray header are both stainless steel tubes.
Preferably, the number of the fans is six.
Preferably, the front side of the fixed base is provided with a sliding rail A matched with the sliding rail B.
Preferably, a ditch is arranged on the fixed base.
Compared with the prior art, the invention has the beneficial effects that: this simple structure, the operation of being convenient for through the fan cooling, combines the adjustable of top spray header and right side spray header water yield, and the ingot casting is along with the enhancement of cooling strength, and the cooling effect becomes better gradually, and the tissue is more even, and the extrusion force is less, and extrusion time is also shorter more, has ensured cooling rate to annealing quality has been guaranteed.
Drawings
Fig. 1 is a front view of the structure of the present invention.
Fig. 2 is a left side view of the structure of the present invention.
Fig. 3 is a right side view of the structure of the present invention.
Fig. 4 is a view of the structure a of the present invention.
FIG. 5 is a view of the structure of the present invention from direction B.
FIG. 6 is a schematic diagram of the structural temperature measurement points of the present invention.
FIG. 7 is a graph of cooling time versus temperature for a structure according to the present invention.
FIG. 8 is a prior art time to temperature curve.
FIG. 9 is a metallographic picture of a cooling furnace ingot extrusion product before transformation.
FIG. 10 is a metallographic picture of an ingot extrusion product of a cooling furnace after transformation.
In the figure, 1, a fixed base; 11. a slide rail A; 12. a slide rail B; 13. positioning a groove; 2. a left side wall body; 21. a fan; 3. a right frame body; 31. a right side spray header; 4. a top wall; 41. an air suction device; 42. a top spray header; 5. a rear side wall body; 6. and a door.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1-5, an integrative cooling furnace of semi-enclosed multipurpose, including unable adjustment base 1, unable adjustment base 1 left side is equipped with fixed connection's left side wall body 2, the right side is equipped with fixed connection's semi-enclosed right side support body 3, is equipped with fixed connection's back wall body 5 between the rear side of left side wall body 2 and right side support body 3, is equipped with sliding connection's door 6 between top wall body 4, the front side that is equipped with fixed connection between the top, evenly be equipped with the right side spray header 31 of intercommunication in the right side support body 3, evenly be equipped with fan 21 on the wall body 2 of left side, top wall body 4 top is equipped with suction device 41, the top spray header 42 that the below evenly was equipped with the intercommunication, unable adjustment base 1 center is equipped with constant head tank 13, and constant head tank 13 both sides.
The number of the right-side spray header 31 is more than six.
The number of the right-side shower pipes 31 is twelve.
Six nozzles are arranged on the right side spray header 31.
The number of the top shower pipes 42 is three.
Twenty nozzles are arranged on the top spray header 42.
The top spray header 42 and the right spray header 31 are both stainless steel tubes.
The number of the fans 21 is six.
The front side of the fixed base 1 is provided with a sliding rail A11 which is matched with the sliding rail B12.
And a water channel is arranged on the fixed base 1.
The during operation, open door 6, send the ingot casting into unable adjustment base 1 on, remove the delivery wagon according to the constant head tank 13 left and right sides, make the ingot casting correct to input into the cooling furnace through slide rail second 12, door 6 moves down closed, start fan 21 on the left side wall body 2, induced draft device 41 on the top wall body 4, carry top shower pipe 42 and right side shower pipe 31 with water through water pressure adjusting device simultaneously, can be according to what of the processing requirement regulation water flow of ingot casting, fan 21 carries cold wind toward the cooling furnace in, the heat suction that induced draft device 41 released the ingot casting, top shower pipe 42 and right side shower pipe 31 spun water flow into the tank along unable adjustment base 1.
FIG. 6 is a solid temperature measurement chart, using the same alloy and same specification and same homogenization process: heating to 560 deg.C for 180min, maintaining for 480min, cooling by air cooling for 30min, and water cooling for 100 min. Through the comparison test of the solid temperature measurement in the existing cooling furnace and the cooling furnace modified by the application,
the temperature measuring points a-i are arranged from the entrance of the furnace door to the flue according to the sequence of inverted triangle, regular triangle and inverted triangle. The cast rod has three layers, 4 in each layer. The cooling was measured every 10 min. The temperature is measured by adopting a multi-channel temperature multi-channel paperless recorder, and experimental data are shown in the following table:
watch 1
The first table shows the cooling time and temperature of the cooling furnace in the prior art (before modification).
Watch two
And the second table shows the cooling time and temperature of the cooling furnace after the transformation.
Fig. 7 is a graph showing the cooling time and temperature of the cooling furnace after the modification of the present application, and fig. 8 is a graph showing the cooling time and temperature of the cooling furnace in the prior art (before the modification).
The annealing cooling comprises four modes of air cooling, wind plus water cooling and water cooling. Taking 6082 alloy as an example, relevant researches show that; the extrusion resistance and the extrusion time are gradually reduced along with the enhancement of the cooling mode, wherein the extrusion time of the air-cooled cast ingot is the longest, the extrusion force and the extrusion time during the water cooling are respectively 210-245Mpa and 195s, and the extrusion efficiency is the highest. It can be seen that the cooling effect of the cooling furnace after modification gradually becomes better along with the enhancement of the cooling strength, the finer and more uniform the tissue is, the smaller the extrusion force is, and the shorter the extrusion time is.
6082 alloy ingots produced by the same production batch (with the same components and the same production process) are cooled by two different cooling furnaces and sent to extrusion production for comparison. The extrusion production process is as follows:
watch III
The ingot casting extrusion speed of the cooling furnace after transformation is high, and the extrusion force is low.
The properties of the extruded product are as follows:
watch four
The performance of the cast ingot extrusion product of the cooling furnace after the transformation is better than that before the transformation.
And (3) comparison of metallographic structures:
FIG. 9 is a gold phase diagram of a prior art cooling furnace ingot extrusion product. FIG. 10 is a metallographic picture of an ingot extrusion product of a cooling furnace after transformation.
As can be seen from the metallographic diagram, the metallographic structure of the product produced by the cooling furnace after the transformation is finer and more uniform.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides an integrative cooling furnace of semi-enclosed multipurpose which characterized in that: including unable adjustment base (1), unable adjustment base (1) left side is equipped with fixed connection's left side wall body (2), the right side is equipped with semi-enclosed right side support body (3) of fixed connection, is equipped with between the rear side of left side wall body (2) and right side support body (3) fixed connection's rear side wall body (5), the top between be equipped with fixed connection's top wall body (4), the front side between be equipped with sliding connection's door (6), evenly be equipped with right side spray header (31) of intercommunication in right side support body (3), evenly be equipped with fan (21) on the left side wall body (2), top wall body (4) top is equipped with air suction device (41), the top spray header (42) that the below evenly was equipped with the intercommunication, unable adjustment base (1) center is equipped with constant head tank (13), and constant head tank (13) both sides are equipped.
2. The semi-enclosed, multi-purpose, integrated cooling furnace of claim 1, wherein: the number of the right side spray header (31) is more than six.
3. The semi-enclosed, multi-purpose, integrated cooling furnace of claim 2, wherein: the number of the right side spray header (31) is twelve.
4. The semi-enclosed, multi-purpose, integrated cooling furnace of claim 1, wherein: six nozzles are arranged on the right side spray header (31).
5. The semi-enclosed, multi-purpose, integrated cooling furnace of claim 1, wherein: the number of the top spray header (42) is three.
6. The semi-enclosed, multi-purpose, integrated cooling furnace of claim 1, wherein: twenty nozzles are arranged on the top spray header (42).
7. The semi-enclosed, multi-purpose, integrated cooling furnace of claim 1, wherein: the top spray header (42) and the right spray header (31) are both stainless steel tubes.
8. The semi-enclosed, multi-purpose, integrated cooling furnace of claim 1, wherein: the number of the fans (21) is six.
9. The semi-enclosed, multi-purpose, integrated cooling furnace of claim 1, wherein: the front side of the fixed base (1) is provided with a sliding rail A (11) which is matched with the sliding rail B (12).
10. The semi-enclosed, multi-purpose, integrated cooling furnace of claim 1, wherein: and a water channel is arranged on the fixed base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010425829.1A CN111521027A (en) | 2020-05-19 | 2020-05-19 | Semi-closed multipurpose integrated cooling furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010425829.1A CN111521027A (en) | 2020-05-19 | 2020-05-19 | Semi-closed multipurpose integrated cooling furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111521027A true CN111521027A (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010425829.1A Withdrawn CN111521027A (en) | 2020-05-19 | 2020-05-19 | Semi-closed multipurpose integrated cooling furnace |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857039A (en) * | 2021-03-06 | 2021-05-28 | 夏盼 | Sintering furnace based on alloy smelting and cooling method |
-
2020
- 2020-05-19 CN CN202010425829.1A patent/CN111521027A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857039A (en) * | 2021-03-06 | 2021-05-28 | 夏盼 | Sintering furnace based on alloy smelting and cooling method |
| CN112857039B (en) * | 2021-03-06 | 2023-08-15 | 陕西万豪钛金特材科技有限公司 | Sintering furnace based on alloy smelting and cooling method |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200811 |
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| WW01 | Invention patent application withdrawn after publication |