CN204608091U - The multistage cooling system of a kind of special steel - Google Patents
The multistage cooling system of a kind of special steel Download PDFInfo
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- CN204608091U CN204608091U CN201520163386.8U CN201520163386U CN204608091U CN 204608091 U CN204608091 U CN 204608091U CN 201520163386 U CN201520163386 U CN 201520163386U CN 204608091 U CN204608091 U CN 204608091U
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Abstract
The utility model discloses the multistage cooling system of special steel, comprise the spray quenching radiator cooler of more than three grades and one-level leaching quenching device that set gradually along transmission direction; Spray quenching radiator cooler comprises main body, shower nozzle, and be provided with cavity in main body, left side is provided with the first opening, and right side is provided with the second opening; Shower nozzle comprise connect successively first end, the first bar portion and the first through hole, the first bar portion end is provided with chamfering and forms vertebra bench-type end; Main body inner wall be provided with the second open communication, to successively decrease gradually along main body inner wall orient diameter outward in vertebra bench-type opening; Shower nozzle is arranged in main body through the first opening adjustable ground, and its vertebra bench-type end is close to the interior vertebra bench-type opening in main body inner wall and is oppositely arranged and leaves gap.The multistage cooling system of the special steel that the utility model provides, system takes up space little, is beneficial to enforcement, saves valuable production space and cost, improves cooling efficiency.
Description
Technical field
The utility model belongs to steel cooling field, is specifically related to a kind of cooling system of steel.
Background technology
The heating and cooling process of the steel such as special steel is mainly, after more than heat steel to critical temperature making its all or part of austenitizing, be then as cold as below Ms (or near Ms isothermal) soon with the cooling rate being greater than critical cooling velocity and carry out the thermal treatment that martensite (or bainite) changes.
In prior art, steel are after heat treated is as induction heating process, be that the steel wire of heating is carried out spray quenching but by one-level spray quenching radiator cooler in advance, carry out leaching quenching but by one-level leaching quenching device thereafter, thus realize abundant, even, the safe cooling of steel as much as possible.
Problem is, spray quenching radiator cooler controllability of the prior art is poor, and the cooling system be made up of one-level spray quenching radiator cooler and one-level leaching quenching device reaches 10m, usual one-level spray quenching radiator cooler length is about 0.5m, and the cell body (as oil groove) in follow-up leaching quenching device reaches about 9.5m, whole cooling system occupies larger production space, inefficiency.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of special steel multistage cooling system, occupies the low problem of larger production space, cooling efficiency to solve cooling system in prior art.
Technical scheme: for solving the problems of the technologies described above, the multistage cooling system of the special steel that the utility model provides, comprises the spray quenching radiator cooler of more than three grades and one-level leaching quenching device that set gradually along transmission direction;
Described spray quenching radiator cooler comprises main body, shower nozzle, is provided with cavity in described main body, and described body outer wall is provided with the fluid inlet connecting liquid-inlet pipe, and left side is provided with the first opening, and right side is provided with the second opening;
Described shower nozzle comprises the first end and the first bar portion that connect successively, and shower nozzle inside is provided with the first through hole running through first end and the first bar portion, and the first bar portion end is provided with chamfering and forms vertebra bench-type end;
Described main body inner wall be provided with the second open communication, to successively decrease gradually along main body inner wall orient diameter outward in vertebra bench-type opening;
Described shower nozzle is arranged in main body through the first opening adjustable ground, and its vertebra bench-type end being positioned at cavity is close to the vertebra bench-type opening in main body inner wall and is oppositely arranged and leaves gap.
Preferably, this system comprises the identical spray quenching radiator cooler connected successively of 4 level structures, and the input terminus of first step spray quenching radiator cooler is connected with the output terminal of induction heating device, and the output terminal of last step spray quenching radiator cooler is connected with the input terminus of leaching quenching device; Described leaching quenching device comprises the cell body for carrying out immersion quenching, and described cell body length is 2 ~ 3m.
Preferred as another kind, this system comprises the identical spray quenching radiator cooler connected successively of 3 level structures, the input terminus of first step spray quenching radiator cooler is connected with the output terminal of induction heating device, and the output terminal of last step spray quenching radiator cooler is connected with the input terminus of leaching quenching device; Described leaching quenching device comprises the cell body for carrying out immersion quenching, and described cell body length is 3 ~ 5m.
Preferably, the second hatch bore diameter of described spray quenching radiator cooler is greater than the aperture of the first through hole, and the first through hole of spray quenching radiator cooler at different levels and the axis of the second opening are all located along the same line.Because when steel wire is by being close to the gap between shower nozzle vertebra bench-type end and interior vertebra bench-type opening be oppositely arranged, the cooling fluid flowed into by fluid inlet is the interior cooling pendular ring formed in this gap, the Steel Wire Surface entering the second opening can be made to be covered with cooling fluid as quenching oil, therefore the second hatch bore diameter is greater than the more reasonable structure in the aperture of the first through hole, better effects if.
Preferably, the first opening inner side of described spray quenching radiator cooler is provided with internal thread, is provided with the outside screw coordinated with the first opening inner side outside described first bar portion.
Preferably, the shower nozzle of described spray quenching radiator cooler is arranged in main body by set nut adjustable ground.
Preferably, the cylindrical shell of described spray quenching radiator cooler main body is provided with more than 2 fluid inlets be evenly arranged, to make feed liquor evenly, described spray quenching radiator cooler and leaching quenching device be fixedly installed on base by support.
Beneficial effect: the multistage cooling system of the special steel that the utility model provides, rationally, tool has the following advantages structure:
The spray quenching radiator cooler of more than three grades and the structure of one-level leaching quenching device in the utility model, make the contraction in length of the whole cooling system comprising spray quenching radiator cooler and leaching quenching device to about 4 ~ 6.5m, the cell body length of soaking in system in quenching device only needs about 2 ~ 5m, whole system just can obtain identical or better cooling performance than the cooling system reaching 10m in prior art, greatly decrease the production space occupied by whole cooling system, improve cooling efficiency.
Simultaneously, for spray quenching radiator cooler, staff can regulate shower nozzle thus gap length in adjusting in shower nozzle vertebra bench-type end and main body inner wall between vertebra bench-type opening as required, thus the oil pressure of cooling pendular ring that adjusting play place is formed adjusts spray quenches cooling performance; In on shower nozzle vertebra bench-type end and main body inner wall, vertebra bench-type opening has guide effect to cooling fluid, and this guide effect effectively reduces the possibility that cooling fluid flows backwards against steel wire traffic direction, improves security; Shower nozzle is detachable, for the steel wire of different diameter size, can be replaced through-hole aperture and the suitable shower nozzle of gage Size, has certain handiness and adaptability; Said structure feature can realize the flexible adjustment of cooling pendular ring oil pressure that gap location is formed to a certain extent, to quench cooling performance, have good ease for use and controllability to adjust spray.
Generally speaking, the multistage cooling system of the special steel that the utility model provides, it has certain controllability and ease for use, and system takes up space little, is beneficial to enforcement, saves valuable production space and cost, improves cooling efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the structural representation of single-stage spray quenching radiator cooler in embodiment 1.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
embodiment 1:as shown in Figure 1, the multistage cooling system of the special steel that the present embodiment 1 provides, comprises the identical spray quenching radiator cooler 100,200,300,400 of the quaternary structure that sets gradually along transmission direction and one-level leaching quenching device 500;
As shown in Figure 2, each single-stage spray quenching radiator cooler comprises main body 1, shower nozzle 3, and be provided with cavity 2 in described main body 1, described main body 1 outer wall is provided with the fluid inlet connecting liquid-inlet pipe 6, and left side is provided with the first opening, and right side is provided with the second opening;
Described shower nozzle 3 comprises the first end and the first bar portion that connect successively, and shower nozzle inside is provided with the first through hole running through first end and the first bar portion, and the first bar portion end is provided with chamfering and forms vertebra bench-type end;
Described main body 1 inwall be provided with the second open communication, to successively decrease gradually along main body inner wall orient diameter outward in vertebra bench-type opening;
Second hatch bore diameter of described spray quenching radiator cooler is greater than the aperture of the first through hole, and the first through hole of spray quenching radiator cooler at different levels and the axis of the second opening are all located along the same line;
Along cooling liquid flowing to direction, on the inclined-plane (frustum side) of shower nozzle 3 vertebra bench-type end and main body 1 inwall, the inclined-plane (frustum side) of vertebra bench-type opening distance in the axial direction gradually from large to small, progressively successively decreases;
First opening inner side of described spray quenching radiator cooler is provided with internal thread, the outside screw coordinated with the first opening inner side is provided with outside described first bar portion, the shower nozzle 3 of described spray quenching radiator cooler is by set nut 7, through the first opening, adjustable by thread fit, be removably disposed in main body 1;
Described shower nozzle 3 is positioned at that vertebra bench-type opening on the vertebra bench-type end of cavity 2 and main body 1 inwall is contiguous to be oppositely arranged and to leave gap.
This system comprises the identical spray quenching radiator cooler connected successively of quaternary structure, the input terminus of first step spray quenching radiator cooler 100 is connected with the output terminal of induction heating device, and the output terminal of last step spray quenching radiator cooler 400 is connected with the input terminus of leaching quenching device 500.
Described leaching quenching device comprises the cell body (not shown) for carrying out immersion quenching, and this cell body length is 2 ~ 3m.
As shown in Figure 1, under the traction of traction type equipment (not shown), in each single-stage spray quenching radiator cooler, steel wire 5 inputs in next stage device after passing through the first through hole of shower nozzle 3, gap between shower nozzle 3 and main body 1 inwall, the second opening.So, steel wire 5 passes through spray quenching radiator cooler that level Four connects successively and has carried out after 4 grades of spray quenchings but export, inputing in upstream device leaching quenching device 500 and carrying out leaching quenching but.
embodiment 2:substantially identical with embodiment 1 structure, something in common is not repeated, and difference is:
The multistage cooling system of the induction heating that the present embodiment 2 provides, comprises the identical spray quenching radiator cooler of the tertiary structure that sets gradually along transmission direction and one-level leaching quenching device.During practical application, steel wire 5 passes through after three grades of spray quenching radiator coolers connected successively have carried out 3 grades of sprays quenchings but export, and inputs in upstream device leaching quenching device 500 and carries out leaching quenching but.
Described leaching quenching device comprises the cell body for carrying out immersion quenching, and described cell body length is 3 ~ 5m.
As shown in Figure 2, the first end that in single-stage spray quenching radiator cooler, first end for the benefit of grips, its diameter is greater than the diameter in the first bar portion; The second end that the second end for the benefit of grips, its diameter is greater than the diameter in the second bar portion.
Meanwhile, in single-stage spray quenching radiator cooler, the cylindrical shell of main body 1 is provided with the fluid inlet arranged symmetrically and evenly on 2, and one connects liquid-inlet pipe 6, and another connects liquid-inlet pipe 9.
Spray quenching radiator cooler at different levels and leaching quenching device are fixedly installed on base 10 by support 11.
Principle of work of the present utility model is set forth as follows: in single-stage spray quenching radiator cooler for embodiment 1, cooling fluid is as quenching oil, flow in the cavity 2 of main body 1 by the liquid-inlet pipe be connected with fluid inlet, in shower nozzle vertebra bench-type end and main body inner wall under the guide effect of vertebra bench-type opening and oil pressure effect, the gap location between shower nozzle vertebra bench-type end and interior vertebra bench-type opening forms cooling pendular ring.Because the inclined-plane of the inclined-plane of shower nozzle vertebra bench-type end and interior vertebra bench-type opening, the cooling pendular ring edge formed is flowed to, and its flow section of direction is progressive to successively decrease, cooling liquid speed increases rapidly, cooling pendular ring oil pressure increases rapidly, produce Venturi effect and form adsorption, and then quenching oil is adsorbed on be positioned at cooling pendular ring center, on quenching to be painted steel wire but, thus make to obtain excellent spray by the steel wire of cooling pendular ring successively and to quench cooling performance.
In the cooling system that embodiment 1 provides, steel wire proceeding through 4 grades spray quenchings but after, input leaching quenching device 500 in carry out leaching quenching but.Whole cooling system length is about 5m, while acquisition even more excellent cooling performance identical with background technology, has saved valuable production space and cost, has improved cooling efficiency.
Above implementation column does not form restriction to the utility model, and relevant staff is in the scope not departing from the utility model technological thought, and the various change carried out and amendment, all drop in protection domain of the present utility model.
Claims (7)
1. the multistage cooling system of special steel, is characterized in that: comprise the spray quenching radiator cooler of more than three grades and one-level leaching quenching device that set gradually along transmission direction;
Described spray quenching radiator cooler comprises main body, shower nozzle, is provided with cavity in described main body, and described body outer wall is provided with the fluid inlet connecting liquid-inlet pipe, and left side is provided with the first opening, and right side is provided with the second opening;
Described shower nozzle comprises the first end and the first bar portion that connect successively, and shower nozzle inside is provided with the first through hole running through first end and the first bar portion, and the first bar portion end is provided with chamfering and forms vertebra bench-type end;
Described main body inner wall be provided with the second open communication, to successively decrease gradually along main body inner wall orient diameter outward in vertebra bench-type opening;
Described shower nozzle is arranged in main body through the first opening adjustable ground, and its vertebra bench-type end being positioned at cavity is close to the vertebra bench-type opening in main body inner wall and is oppositely arranged and leaves gap.
2. the multistage cooling system of special steel according to claim 1, it is characterized in that: this system comprises the identical spray quenching radiator cooler connected successively of 4 level structures, the input terminus of first step spray quenching radiator cooler is connected with the output terminal of induction heating device, and the output terminal of last step spray quenching radiator cooler is connected with the input terminus of leaching quenching device; Described leaching quenching device comprises the cell body for carrying out immersion quenching, and described cell body length is 2 ~ 3m.
3. the multistage cooling system of special steel according to claim 1, it is characterized in that: this system comprises the identical spray quenching radiator cooler connected successively of 3 level structures, the input terminus of first step spray quenching radiator cooler is connected with the output terminal of induction heating device, and the output terminal of last step spray quenching radiator cooler is connected with the input terminus of leaching quenching device; Described leaching quenching device comprises the cell body for carrying out immersion quenching, and described cell body length is 3 ~ 5m.
4. the multistage cooling system of special steel according to claim 1, it is characterized in that: the second hatch bore diameter of described spray quenching radiator cooler is greater than the aperture of the first through hole, and the first through hole of spray quenching radiator cooler at different levels and the axis of the second opening are all located along the same line.
5. the multistage cooling system of special steel according to claim 1, is characterized in that: the first opening inner side of described spray quenching radiator cooler is provided with internal thread, is provided with the outside screw coordinated with the first opening inner side outside described first bar portion.
6. the multistage cooling system of special steel according to claim 5, is characterized in that: the shower nozzle of described spray quenching radiator cooler is arranged in main body by set nut adjustable ground.
7. the multistage cooling system of special steel according to claim 1, it is characterized in that: the cylindrical shell of described spray quenching radiator cooler main body is provided with more than 2 fluid inlets be evenly arranged, described spray quenching radiator cooler and leaching quenching device are fixedly installed on base by support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520163386.8U CN204608091U (en) | 2015-03-20 | 2015-03-20 | The multistage cooling system of a kind of special steel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520163386.8U CN204608091U (en) | 2015-03-20 | 2015-03-20 | The multistage cooling system of a kind of special steel |
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| CN204608091U true CN204608091U (en) | 2015-09-02 |
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| CN201520163386.8U Expired - Fee Related CN204608091U (en) | 2015-03-20 | 2015-03-20 | The multistage cooling system of a kind of special steel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105803166A (en) * | 2016-04-28 | 2016-07-27 | 张家港市东航机械有限公司 | Steel wire water bathing and air cooling quenching unit |
| CN107130092A (en) * | 2017-03-31 | 2017-09-05 | 苏州亚思科精密数控有限公司 | A kind of segmented workpiece cooling bay |
| CN107497873A (en) * | 2017-09-13 | 2017-12-22 | 兴发铝业（成都）有限公司 | Quick Extrusion Process of Aluminum Alloy Profile system |
-
2015
- 2015-03-20 CN CN201520163386.8U patent/CN204608091U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105803166A (en) * | 2016-04-28 | 2016-07-27 | 张家港市东航机械有限公司 | Steel wire water bathing and air cooling quenching unit |
| CN105803166B (en) * | 2016-04-28 | 2018-02-16 | 张家港市东航机械有限公司 | A kind of steel wire water-bath and dry quenching unit |
| CN107130092A (en) * | 2017-03-31 | 2017-09-05 | 苏州亚思科精密数控有限公司 | A kind of segmented workpiece cooling bay |
| CN107497873A (en) * | 2017-09-13 | 2017-12-22 | 兴发铝业（成都）有限公司 | Quick Extrusion Process of Aluminum Alloy Profile system |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20180320 |