CN114635019B - Energy-saving water-saving cooling equipment for quenching ultralow-temperature 9Ni steel forging - Google Patents
Energy-saving water-saving cooling equipment for quenching ultralow-temperature 9Ni steel forging Download PDFInfo
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- CN114635019B CN114635019B CN202210267011.0A CN202210267011A CN114635019B CN 114635019 B CN114635019 B CN 114635019B CN 202210267011 A CN202210267011 A CN 202210267011A CN 114635019 B CN114635019 B CN 114635019B
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
- C21D1/64—Quenching devices for bath quenching with circulating liquids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
本发明涉及钢锻件淬火冷却设备领域，且公开了一种用于超低温9Ni钢锻件淬火用节能节水冷却设备，包括冷却箱，冷却箱的底部设有进水腔，冷却箱的内部设有位于进水腔上方的封隔环管，封隔环管上开设有若干靠近其顶端的溢水槽，封隔环管的外侧为排水腔，排水腔和进水腔分别接通有排水管和进水管，进水管通过水泵向冷却箱内泵水。通过装满冷却水的冷却箱内设有浮环和密封环，并设置通断装置与触发装置联动的设计，实现钢锻件浸入水中时，水泵自动通电持续泵水，钢锻件取出时，水泵停止泵水，避免了现有的钢结构在淬火后进行浸没冷却时，冷却时容易漫出浪费的问题，同时，无需持续泵水，节省了能源。
The invention relates to the field of quenching and cooling equipment for steel forgings, and discloses an energy-saving and water-saving cooling equipment for quenching ultra-low temperature 9Ni steel forgings. There is a packing ring pipe above the water inlet chamber. There are a number of overflow channels near the top of the packing ring pipe. The outside of the packing ring pipe is a drainage cavity. The drainage cavity and the water inlet cavity are connected to drainage pipes and water inlet pipes respectively. , the water inlet pipe pumps water into the cooling box through the water pump. By installing a floating ring and a sealing ring in the cooling box filled with cooling water, and setting up a linkage design between the on-off device and the triggering device, when the steel forging is immersed in water, the water pump automatically energizes and continues to pump water, and when the steel forging is taken out, the water pump stops Pumping water avoids the problem that the existing steel structure is easily overflowed and wasted during cooling when it is immersed in cooling after quenching. At the same time, there is no need to continuously pump water, which saves energy.
Description
Technical Field
The invention relates to the field of quenching cooling equipment for steel forgings, in particular to energy-saving water-saving cooling equipment for quenching ultralow-temperature 9Ni steel forgings.
Background
The 9Ni steel is low-carbon quenched and tempered steel, the structure is martensite and bainite, the steel has good toughness and high strength at extremely low temperature, and has small thermal expansion coefficient, good economy and use temperature as low as-196 ℃ compared with austenitic stainless steel and aluminum alloy, and the steel is widely used in the fields of manufacturing liquefied natural gas storage tanks, transportation ships and the like.
When 9Ni steel is produced, quenching cooling is also needed, the existing large 9Ni steel forging is completely immersed into a large container filled with cooling water when being cooled, the situation that cooling water flows out of a cooling device is easy to cause when the 9Ni steel forging is large, water resources are wasted, cooling water is continuously introduced and discharged, and water resources are wasted when cooling effect and efficiency are ensured, so that the energy-saving and water-saving cooling equipment for quenching the ultralow-temperature 9Ni steel forging is provided.
Disclosure of Invention
The invention provides energy-saving and water-saving cooling equipment for quenching ultralow-temperature 9Ni steel forgings, which has the advantages of energy saving and water saving and solves the technical problems in the background art.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an energy-conserving water conservation cooling device for quenching of ultralow temperature Ni steel forging, includes the cooling tank, and the bottom of cooling tank is equipped with the inlet chamber, and the inside of cooling tank is equipped with the packing ring pipe that is located the inlet chamber top, has seted up a plurality of overflow tanks that are close to its top on the packing ring pipe, and the outside of packing ring pipe is the drainage chamber, and drainage chamber and inlet chamber switch-on respectively have drain pipe and inlet tube, and the inlet tube pumps water to the cooling tank through the water pump, the inboard of packing ring pipe is equipped with the sealing ring, and the inboard of sealing ring is equipped with the floating ring, the top of packing ring is equipped with the ring apron, and the inner edge at ring apron top is equipped with trigger device, trigger device's bottom is equipped with the vertical axle that reciprocates, the outer edge of ring apron bottom is equipped with the break-make device that is located the cooling tank outside, and break-make device passes through wire rope transmission with trigger device and is connected, is equipped with first electric contact piece and second electric contact piece in the break-make device, first electric contact piece and second electric contact piece under the normality, moves to overflow tank's top at the sealing ring for the vertical axle of trigger device bottom moves through the wire.
Optionally, the bottom of drainage chamber is equipped with the interval Wen Huanban that is located the extension board top, and the outside of insulating ring board and the sealed laminating of inner wall of cooling tank, the inside of insulating ring board and the outside of packing ring pipe seal the laminating.
Optionally, the overflow groove can be plugged by a sealing ring, and the plurality of overflow grooves are in a circumferential array on the sealing ring pipe.
Optionally, the height value of the floating ring is smaller than the height value of the sealing ring.
Optionally, the first electric contact is electrically connected with a weak power supply through a wire, the weak power supply is electrically connected with one electrode of the electromagnetic relay through the wire, the other electrode of the electromagnetic relay is electrically connected with the second electric contact through the wire, the electromagnetic relay is normally open in power failure, the movable contact of the electromagnetic relay is electrically connected with the water pump through the wire, the water pump is electrically connected with one electrode of the strong power supply, the other electrode of the strong power supply is electrically connected with the static contact of the electromagnetic relay, and the wire connection between the strong power supply and the electromagnetic relay is provided with a switch.
Optionally, the break-make device includes the spacing pipe of fixed mounting on the ring apron, the bottom of spacing intraductal chamber is equipped with first electric contact, the inside movable sleeve of spacing pipe is equipped with the piston board, the bottom of piston board is equipped with the second electric contact that is located first electric contact top, the one end and the top fixed connection of piston board of wire rope, the top of piston board is equipped with the first spring of movable sleeve dress wire rope outside, the spout has been seted up to the side of spacing pipe, the wire and the spout activity of first electric contact and second electric contact electricity connection cup joint.
Optionally, the trigger device includes the locating tube of fixed mounting on the ring apron, and the inside movable sleeve of locating tube is equipped with the sliding plug board, the bottom of sliding plug board and the top fixed connection of vertical axle, and the bottom of vertical axle extends to the below of ring apron and with the top swing joint of sealing ring, and the vertical axle cup joints with the locating tube activity, the top of sliding plug board and the other end fixed connection of wire rope are equipped with the top cap on the locating tube, are equipped with the second spring of movable sleeve dress wire rope outside between sliding plug board and the top cap, and the elasticity of second spring is greater than the elasticity of first spring.
The invention provides energy-saving and water-saving cooling equipment for quenching ultralow-temperature 9Ni steel forgings, which has the following beneficial effects:
this an energy-conserving water conservation cooling device for quenching of ultralow temperature 9Ni steel forging is equipped with floating ring and sealing ring through filling cooling water's cooling tank to set up the design of break-make device and trigger linkage, when realizing steel forging immersion water, the automatic circular telegram of water pump lasts pump water, when the steel forging takes out, the water pump stops pump water, avoided current steel construction to submerge when cooling after quenching, the extravagant problem of easy diffusing during the cooling, simultaneously, need not to last pump water, the energy has been saved, and through mechanical structure's transmission setting, need not to set up detecting element, realize steel forging cooling in-process and last the water, cancel when waiting to cool off and last the water, easy damage when having effectively avoided setting up detecting element, and is with high costs, the problem of energy consumption is high.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the cooling box of FIG. 1 in its complete structure in accordance with the present invention;
FIG. 3 is a schematic view of the middle cut-away structure of FIG. 2 of the present invention;
FIG. 4 is a schematic diagram of the on-off device of FIG. 1 according to the present invention;
FIG. 5 is a schematic diagram of the electrical connections of the water pump of the present invention;
fig. 6 is a schematic view of the triggering device of fig. 1 according to the present invention.
In the figure: 1. a cooling box; 2. a ring cover plate; 3. sealing and isolating the ring pipe; 4. an overflow tank; 5. a floating ring; 6. a seal ring; 7. a collar; 8. a water through hole; 9. a support plate; 10. a water inlet tank; 11. a drain pipe; 12. a water inlet pipe; 13. a septum Wen Huanban; 14. a wire rope; 15. a positioning tube; 16. a limiting tube; 17. a first electrical contact; 18. a second electrical contact; 19. a piston plate; 20. a first spring; 21. a chute; 22. a vertical axis; 23. a plug plate; 24. a second spring; 25. and a top cover.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, an energy-saving water-saving cooling device for quenching ultra-low temperature 9Ni steel forgings comprises a cooling box 1, a support plate 9 is fixedly sleeved at the bottom of an inner cavity of the cooling box 1, a water inlet cavity is reserved at the bottoms of the support plate 9 and the inner cavity of the cooling box 1, a water inlet pipe 12 communicated with the water inlet cavity is arranged on the side face of the cooling box 1, a plurality of water inlet grooves 10 are formed in the support plate 9, a sealing ring pipe 3 positioned above the support plate 9 is arranged on the inner wall of the cooling box 1, a water draining cavity is reserved between the outer side of the sealing ring pipe 3 and the inner side wall of the cooling box 1, a drain pipe 11 communicated with the water draining cavity is arranged on the side face of the cooling box 1, a plurality of water draining grooves 4 close to the top end of the sealing ring pipe 3 are formed in the sealing ring pipe 3, and the water draining grooves 4 are circumferentially arrayed on the sealing ring pipe 3, when the quenched steel forgings are cooled, cooling water is pumped into the water inlet cavity by a water pump 12, the cooling water flows upwards through the water inlet grooves 10, and the quenched steel forgings are placed into the cooling box 1 through the lifting device, water draining pipes are immersed into the water draining water from the water draining pipe 11, and water draining water is prevented from the water draining pipe 4 is immersed into the water draining pipe 4.
Specifically, seal ring 6 is equipped with to the inboard activity cover of excluder ring pipe 3, and seal laminating of the outside of seal ring 6 and the inboard of excluder ring pipe 3, seal ring 6 can shutoff overflow tank 4, the fixed cover in middle part of seal ring 6 inboard is equipped with floating ring 5, and the high value of floating ring 5 is less than the high value of seal ring 6, after the steel forging takes out, the liquid level in cooling tank 1 descends, floating ring 5 and seal ring 6 descend along with, seal ring 6 seals overflow tank 4, at this moment, the liquid level can be in overflow tank 4's top, thereby make the water depth in cooling tank 1 enough, avoid because of seting up of overflow tank 4, lead to the water depth in cooling tank 1 insufficient, influence big steel forging and totally submerge in the water, the circumstances of cooling.
Be equipped with the fender ring pipe 7 that is located extension board 9 top in the cooling tank 1, offered a plurality of limbers 8 on the fender ring pipe 7, and the outside of fender ring pipe 7 is laminated with the inside wall activity of floating ring 5, utilizes the separation effect of fender ring pipe 7, avoids the steel forging after quenching when putting into cooling tank 1, contacts with floating ring 5, high temperature leads to the problem that cooling tank 1 burns out.
The top of cooling tank 1 is equipped with ring apron 2, the inner edge at ring apron 2 top is equipped with trigger device, trigger device's bottom is equipped with vertical axle 22 of activity from top to bottom, vertical axle 22 is located the top of sealing ring 6, ring apron 2 bottom's outer edge is equipped with the break-make device that is located cooling tank 1 outside, and break-make device passes through wire rope 14 transmission with trigger device and is connected, please see fig. 4, be equipped with first electric contact 17 and second electric contact 18 in the break-make device, normally first electric contact 17 and second electric contact 18 separation, move to the top of overflow tank 4 at sealing ring 6, make trigger device bottom vertical axle 22 remove, through wire rope 14's transmission, make first electric contact 17 and second electric contact 18 contact.
Referring to fig. 5, a first electric contact 17 is electrically connected with a positive electrode of a weak power supply, a negative electrode of the weak power supply is electrically connected with one electrode of an electromagnetic relay, the other electrode of the electromagnetic relay is electrically connected with a second electric contact 18, the electromagnetic relay is normally open in power failure, a movable contact of the electromagnetic relay is electrically connected with a water pump through a wire, the water pump is electrically connected with one electrode of a strong power supply, the other electrode of the strong power supply is electrically connected with a static contact of the electromagnetic relay, and a switch is arranged in the wire connection between the strong power supply and the electromagnetic relay.
When the first electric contact piece 17 and the second electric contact piece 18 are separated, the electromagnetic relay is in a power-off state, the water pump is in a power-off state, when the quenched steel forgings are placed into the cooling box 1 for cooling, the liquid level in the cooling box 1 is raised, the floating ring 5 drives the sealing ring 6 to move upwards until the sealing ring 6 moves to the upper part of the overflow groove 4, the first electric contact piece 17 and the second electric contact piece 18 are contacted, at the moment, the electromagnetic relay is in an electrified state, the electromagnetic relay is changed from normally open to normally closed, the water pump is changed into an electrified state immediately, thereby cooling water is pumped into the water inlet cavity through the water inlet pipe 12, at the moment, the continuously-electrified cooling water flows upwards through the water inlet groove 10, meanwhile, the upper water flows into the water outlet cavity through the overflow groove 4 and is discharged through the water outlet pipe 11, the cooling is standby until the steel forgings are cooled, at the moment, the water in the cooling box 1 is continuously changed to be in a cooling state so as to be used for cooling next time, after the steel forgings are taken out, the water surface in the cooling box 1 is lowered, the sealing ring 6 is moved down to the overflow groove 4 to form a blocking, meanwhile, the first electric contact piece 17 and the second electric contact piece 18 recover to an initial separation state, the motor relay is normally powered off, the water pump is powered off to stop working, continuous water pumping is not needed, energy is saved, and the transmission setting of a mechanical structure is adopted, a detection element is not needed, continuous water feeding in the cooling process of the steel forgings is realized, continuous water feeding is canceled when the cooling is waited, and the problems that the detection element is easy to damage, high in cost and high in energy consumption are effectively avoided while the energy is saved.
Referring to fig. 4 and 6, the on-off device includes a limiting tube 16 fixedly installed on the ring cover plate 2, a first electric contact 17 is provided at the bottom of the inner cavity of the limiting tube 16, a piston plate 19 is movably sleeved in the limiting tube 16, a second electric contact 18 located above the first electric contact 17 is provided at the bottom of the piston plate 19, one end of the wire rope 14 is fixedly connected with the top of the piston plate 19, a first spring 20 movably sleeved on the outer side of the wire rope 14 is provided at the top of the piston plate 19, a chute 21 is provided at the side surface of the limiting tube 16, and a wire electrically connected with the first electric contact 17 and the second electric contact 18 is movably sleeved with the chute 21.
The trigger device comprises a positioning tube 15 fixedly mounted on a ring cover plate 2, a sliding plug plate 23 is movably sleeved in the positioning tube 15, the bottom of the sliding plug plate 23 is fixedly connected with the top of a vertical shaft 22, the bottom of the vertical shaft 22 extends to the lower side of the ring cover plate 2 and is movably connected with the top of a sealing ring 6, the vertical shaft 22 is movably sleeved with the positioning tube 15, the top of the sliding plug plate 23 is fixedly connected with the other end of a steel wire rope 14, a top cover 25 is arranged on the positioning tube 15, a second spring 24 movably sleeved on the outer side of the steel wire rope 14 is arranged between the sliding plug plate 23 and the top cover 25, and the elastic force of the second spring 24 is larger than that of the first spring 20.
When the sealing ring 6 is positioned at the overflow groove 4, the elastic force of the second spring 24 enables the sliding plug plate 23 to be positioned at the bottom of the positioning tube 15, at the moment, the second electric contact piece 18 at the bottom of the piston plate 19 is separated from the first electric contact piece 17 through the pulling of the steel wire rope 14, when the sealing ring 6 moves to the position above the overflow groove 4, the vertical shaft 22 drives the sliding plug plate 23 to move upwards, under the elastic force of the first spring 20, the piston plate 19 moves downwards to the position where the second electric contact piece 18 is in contact with the first electric contact piece 17, so that the electromagnetic relay is electrified, and then the water pump is electrified, so that automatic water supplementing cooling is performed when the steel forging is placed into the cooling box 1 for cooling, and after the steel forging is taken out after cooling is finished, water supplementing is stopped automatically, and energy consumption and water resources are saved.
The bottom of the drainage cavity is provided with a spacer Wen Huanban positioned above the support plate 9, the outer side of the thermal insulation ring plate 13 is in sealing fit with the inner wall of the cooling box 1, the inner side of the thermal insulation ring plate 13 is in sealing fit with the outer side of the isolating ring pipe 3, the thermal insulation of the thermal insulation ring plate 13 is utilized, the heat of discharged hot water is avoided, the temperature of the entered cooling water is increased, and the cooling efficiency and the cooling effect are influenced.
When the energy-saving water-saving cooling equipment for quenching the ultralow-temperature 9Ni steel forgings is used, the quenched steel forgings are placed into the inner side of the baffle ring pipe 7 in the cooling box 1, the steel forgings are immersed into water in the cooling box 1, the water surface rises, the floating ring 5 drives the sealing ring 6 to move upwards, the vertical shaft 22 drives the sliding plug plate 23 to move upwards, the piston plate 19 moves downwards under the elastic force of the first spring 20 to the contact of the second electric contact piece 18 with the first electric contact piece 17, so that the electromagnetic relay is electrified, the water pump is electrified, cooling water continuously flows into the water inlet cavity at the bottom of the cooling box 1 through the water inlet pipe 12, meanwhile, water in the cooling box 1 continuously flows into the water outlet cavity through the overflow groove 4, is discharged through the water outlet pipe 11 to be cooled and reused, until the steel forgings and the water in the cooling box 1 are cooled, after the steel forgings are taken out, the water surface in the cooling box 1 descends, the sealing rings 5 and 6 move downwards, the sliding plug plate 23 moves downwards under the elastic force of the first spring 20, the sliding plug plate 23 moves downwards to the second electric contact piece 18 to contact with the first electric contact piece 17, the electric relay is electrified, and the second electric contact piece 18 is stopped, and the electric relay is electrified, and the water pump is separated from the second electric contact piece 18 is stopped, and the electric contact piece 18 is in a state.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210267011.0A CN114635019B (en) | 2022-03-18 | 2022-03-18 | Energy-saving water-saving cooling equipment for quenching ultralow-temperature 9Ni steel forging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210267011.0A CN114635019B (en) | 2022-03-18 | 2022-03-18 | Energy-saving water-saving cooling equipment for quenching ultralow-temperature 9Ni steel forging |
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| CN114635019A CN114635019A (en) | 2022-06-17 |
| CN114635019B true CN114635019B (en) | 2024-01-30 |
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| CN209836128U (en) * | 2019-01-28 | 2019-12-24 | 广东名辰堂健康产业股份有限公司 | A high-efficiency essential oil hydrosol extraction machine |
| CN211897040U (en) * | 2020-01-03 | 2020-11-10 | 王娜娜 | Quenching device for aluminum alloy production and processing |
| CN113106207A (en) * | 2021-04-20 | 2021-07-13 | 吉安锐迈管道配件有限公司 | Quenching cooling process for ultralow-temperature 9Ni steel through heat treatment |
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2022
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| JPH0633135A (en) * | 1992-07-20 | 1994-02-08 | Dowa Mining Co Ltd | Method for quenching steel and apparatus therefor |
| US5795538A (en) * | 1993-01-27 | 1998-08-18 | Dowa Mining Co., Ltd. | Apparatus for steel hardening and process therefor |
| JP2005336570A (en) * | 2004-05-28 | 2005-12-08 | Nachi Fujikoshi Corp | Oil quenching method and equipment for steel |
| CN201713540U (en) * | 2010-04-01 | 2011-01-19 | 德谦杭重锻造有限公司 | Cooling system for heat treatment medium |
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| CN113106207A (en) * | 2021-04-20 | 2021-07-13 | 吉安锐迈管道配件有限公司 | Quenching cooling process for ultralow-temperature 9Ni steel through heat treatment |
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