CN103436670A - Water cooling system for steel plate quenching apparatus - Google Patents
Water cooling system for steel plate quenching apparatus Download PDFInfo
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- CN103436670A CN103436670A CN2013102905422A CN201310290542A CN103436670A CN 103436670 A CN103436670 A CN 103436670A CN 2013102905422 A CN2013102905422 A CN 2013102905422A CN 201310290542 A CN201310290542 A CN 201310290542A CN 103436670 A CN103436670 A CN 103436670A
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Abstract
The invention provides a water cooling system for a steel plate quenching apparatus. The water cooling system is composed of a first water spraying device, a second water spraying device and a third water spraying device all arranged in a quenching tank, wherein the first water spraying device is arranged above the top of the upper surface of a steel plate at an inclined quenching position and composed of a plurality of first nozzles arranged at intervals along the edge of the top of the steel plate upper surface, the second water spraying device is arranged above the bottom of the upper surface of the steel plate at the inclined quenching position and composed of a plurality of second nozzles arranged at intervals along the edge of the bottom of the steel plate upper surface, and the third water spraying device is arranged below the lower surface of the steel plate at the inclined quenching position and composed of a plurality of third nozzles horizontally or vertically arranged at intervals along the steel plate lower surface. The water cooling system can take away considerable bubbles generated on the surface of the steel plate through washing in a short time, so quenching of the steel plate is more uniform, and quality defects of the quenched steel plate caused by different local cooling rates are avoided.
Description
Technical field
The invention relates to a kind of metallurgical machinery equipment, relate in particular to a kind of water-cooling system of the steel plate quenching device of using for extra wide, super-thick steel plate heat-treatment quenching.
Background technology
After entering 21st century, recent years particularly, along with the fast development of the industries such as China's nuclear energy, military project, shipbuilding, thermal power generation, bridge construction, oil and gas development conveying, automobile and engineering machinery, day by day vigorous to various different sizes, high performance plate of moderate thickness, special heavy plate demand; Particularly extra wide, special thick Quenching Sheet demand are increasing.Great demand based on existing market to extraordinary thermal treatment sheet material, exploitation is full-automatic, the steel plate quenching device is extremely urgent efficiently.In recent years, domestic many iron and steel enterprises start investment construction plate of moderate thickness and special heavy plate heat-treatment production line.
Existing plate of moderate thickness quenching heat treatment equipment roughly has two classes:
One class is to adopt a set of easy steel charging basket for accepting the steel plate heated from process furnace, and the general driving in workshop is together sling charging basket and steel plate, puts into water and carries out quench treatment.Such scheme is subject to charging basket specification, driving lifting quantitative limitation, can only process the steel plate of small dimension; Need to take for a long time crane simultaneously, can not realize automatic production; In addition, this mode, from steel plate come out of the stove to the overlong time of water, causes quality product stable not.Be only suitable in small business, small serial production.
Another kind of is the oscillating table shelf structure, crane is positioned over the steel plate heated on the swing stand that quenching tank top is the level of state, by swinging stand, around the one end, rotate, making to swing stand drives steel plate and swings to 45 ° of left and right to below in quenching tank and stop, now steel plate is immersed in tank fully, completes thus the quenching heat treatment technique that steel plate enters water, water outlet; This device can be realized automatic production, meets the quenching heat treatment requirement of plate of moderate thickness and special heavy plate fully; But, adopt this quenching mode, in the time of in swinging stand drive steel plate dip quench groove, the upper and lower surface of steel plate can produce a large amount of bubbles, these bubbles are difficult to break away from voluntarily steel plate by buoyancy, because these bubbles are attached to the local surfaces of steel plate, have stoped contacting of steel plate local surfaces and water coolant, make these local surfaces and other speed of cooling that does not attach the surface of bubble produce difference, and then can affect the total quality of quenched nickelclad.
Thus, the inventor, by means of being engaged in experience and the practice of relevant industries for many years, proposes a kind of water-cooling system of steel plate quenching device, to overcome the defect of prior art.
Summary of the invention
The object of the present invention is to provide a kind of water-cooling system of steel plate quenching device, can wash away at short notice and take away a large amount of bubbles that the surface of steel plate boiling heat transfer produces, thereby can be so that steel plate quenching be more even, the quenched nickelclad mass defect of avoiding the difference due to Local cooling speed to produce.
The object of the present invention is achieved like this, a kind of water-cooling system of steel plate quenching device; Described steel plate quenching device is the swing type quenching device, and it includes quenching tank and swings stand; Described water-cooling system consists of the first waterworks, the second waterworks and the 3rd waterworks that are arranged in quenching tank;
Described the first waterworks is arranged on the over top of the upper surface of steel plate of inclination quenching position; Described the first waterworks a plurality of first shower nozzles spaced by the top along upper surface of steel plate form;
Described the second waterworks is arranged on the top, bottom of the upper surface of steel plate of inclination quenching position; Described the second waterworks a plurality of second shower nozzles spaced by the bottom margin along upper surface of steel plate form;
Described the 3rd waterworks is arranged on the below of the lower surface of steel plate of inclination quenching position; Described the 3rd waterworks consists of a plurality of the 3rd shower nozzles of or longitudinal interval setting horizontal along lower surface of steel plate.
In a better embodiment of the present invention, described the first waterworks, the second waterworks and the 3rd waterworks are connected with water pump by respective line respectively.
In a better embodiment of the present invention, described swing stand is connect and is formed by many spaced longerons and many spaced crossbeam groups; Described a plurality of the first shower nozzle is separately positioned on the interval between described many longerons.
In a better embodiment of the present invention, described each first shower nozzle consists of one first bending tube and one first shower that is communicated with this first bending tube one end; Axially be arrangeding in parallel with the transverse edge that swings stand of described the first shower; Described the first shower is provided with first nozzle of a plurality of injection directions towards upper surface of steel plate; The other end of described the first bending tube connects respective line; The length of described the first shower should be less than and swing the interval width between longeron on stand.
In a better embodiment of the present invention, an end of described the first bending tube is communicated in the middle part of the first shower; The first shower two ends are blind end; Described the first nozzle is arranged on the tube wall of the first shower; Described the first nozzle is round nozzle.
In a better embodiment of the present invention, described each second shower nozzle consists of one second bending tube and one second shower that is communicated with this second bending tube one end; Axially be arrangeding in parallel with the transverse edge that swings stand of described the second shower; Described the second shower is provided with the second nozzle of a plurality of injection directions towards upper surface of steel plate; The other end of described the second bending tube connects respective line.
In a better embodiment of the present invention, an end of described the second bending tube is communicated in the middle part of the second shower; The second shower two ends are blind end; Described second nozzle is arranged on the tube wall of the second shower; Described second nozzle is round nozzle.
In a better embodiment of the present invention, described each the 3rd shower nozzle consists of one the 3rd bending tube and one the 3rd shower that is communicated with the 3rd bending tube one end; The tube wall of described the 3rd shower is provided with three nozzle of two row's injection directions towards lower surface of steel plate; The other end of described the 3rd bending tube connects respective line.
In a better embodiment of the present invention, the vergence direction of described the 3rd shower is identical with the vergence direction of steel plate.
In a better embodiment of the present invention, described the 3rd shower is along the horizontal direction setting of steel plate.
From the above mentioned, the water-cooling system of steel plate quenching device of the present invention, control quenching tank Nei No. tri-waterworkss by valve, water in the quenching tank is carried out to the water cycle stirring, each waterworks, by rational nozzle ejection distance and spray angle design, makes current in quenching tank be the streamline state, has avoided the local water temperature over-high produced in the quenching process, make the upper and lower surface uniform of slab cooling, thereby obtain quenching quality steel plate preferably; During steel plate quenching, the round nozzle of lower surface of steel plate and the 3rd waterworks keeps certain distance, and a large amount of water coolants spray from round nozzle, can wash away at short notice or smash a large amount of bubbles that lower surface of steel plate quenches and produces; The round nozzle of the first waterworks and the second waterworks and upper surface of steel plate form certain angle, a large amount of bubbles that quench and produce for smashing, wash away upper surface of steel plate; Thereby can be so that steel plate quenching be more even, the quenched nickelclad mass defect of having avoided the difference due to Local cooling speed to produce.This water-cooling system is simple to operate, speed of cooling is fast, cooling uniformity is good, and its rational water-cooled flow and water spray pressure have improved the quenched nickelclad quality.
The accompanying drawing explanation
The following drawings only is intended to the present invention is done and schematically illustrates and explain, not delimit the scope of the invention.Wherein:
Fig. 1: be the plan structure schematic diagram of the water-cooling system of steel plate quenching device of the present invention.
Fig. 2: be the side sectional structure schematic diagram of the water-cooling system of steel plate quenching device of the present invention.
Fig. 3: be elementary stream view in quenching tank in the present invention.
Fig. 4 A: be the structural representation of the first waterworks in the present invention.
Fig. 4 B: be the side-looking structural representation of Fig. 4 A.
Fig. 5 A: be the structural representation of the second waterworks in the present invention.
Fig. 5 B: be the side-looking structural representation of Fig. 5 A.
Fig. 6 A: be the structural representation of the 3rd waterworks in the present invention.
Fig. 6 B: be the side-looking structural representation of Fig. 6 A.
Embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast accompanying drawing explanation the specific embodiment of the present invention.
As shown in Figure 1, Figure 2 and Figure 3, the present invention proposes a kind of water-cooling system 100 of steel plate quenching device; Described steel plate quenching device is the swing type quenching device, the swing stand 8 that this swing type quenching device includes quenching tank 9 and is rotationally connected with quenching tank one sidewall, described swing stand 8 is connect and is formed by many spaced longerons and many spaced crossbeam groups; Described water-cooling system 100 consists of the first waterworks 1, the second waterworks 2 and the 3rd waterworks 3 that are arranged in quenching tank 9; Described the first waterworks 1, the second waterworks 2 are connected with water pump 41 or 42 by respective line respectively with the 3rd waterworks 3; The position of described three waterworkss is rocked to by rectangular steel plates H the position that tilts to quench according to swing stand 8 and determines;
As shown in Figure 1 and Figure 2, described the first waterworks 1 is arranged on the over top of the rectangular steel plates H upper surface of inclination quenching position; Described the first waterworks 1 a plurality of first shower nozzles 11 spaced by the top along upper surface of steel plate form; Described a plurality of the first shower nozzle 11 is separately positioned on the interval between many longerons of described swing stand 8; As shown in Fig. 4 A, Fig. 4 B, in the present embodiment, described each first shower nozzle 11 consists of one first bending tube 111 and one first shower 112 that is communicated with these the first bending tube 111 1 ends; Axially be arrangeding in parallel with the transverse edge (that is: the top of rectangular steel plates upper surface) that swings stand of described the first shower 112; Described the first shower 112 is provided with first nozzle 1121 of a plurality of injection directions towards upper surface of steel plate; The other end of described the first bending tube 111 connects respective line; The length of described the first shower 112 should be less than and swing the interval width between longeron on stand 8;
Further, in the present embodiment, an end of described the first bending tube 111 is communicated in the middle part of the first shower 112; The first shower 112 two ends are blind end; Described the first nozzle 1121 is arranged on the tube wall of the first shower 112; Described the first nozzle 1121 is round nozzle.
As shown in Figure 1 and Figure 2, described the second waterworks 2 is arranged on the top, bottom of the steel plate H upper surface of inclination quenching position; Described the second waterworks 2 a plurality of second shower nozzles 21 spaced by the bottom margin along upper surface of steel plate form; As shown in Fig. 5 A, Fig. 5 B, in the present embodiment, described each second shower nozzle 21 consists of one second bending tube 211 and one second shower 212 that is communicated with this second bending tube one end; Axially be arrangeding in parallel with the transverse edge (that is: the bottom margin of upper surface of steel plate) that swings stand 8 of described the second shower 212; Described the second shower 212 is provided with the second nozzle 2121 of a plurality of injection directions towards upper surface of steel plate; The other end of described the second bending tube 211 connects respective line;
In the present embodiment, an end of described the second bending tube 211 is communicated in the middle part of the second shower 212; The second shower 212 two ends are blind end; Described second nozzle 2121 is arranged on the tube wall of the second shower; Described second nozzle 2121 is round nozzle.
As shown in Figure 1 and Figure 2, described the 3rd waterworks 3 is arranged on the below of the steel plate H lower surface of inclination quenching position; Described the 3rd waterworks 3 consists of a plurality of the 3rd shower nozzles 31 of or longitudinal interval setting horizontal along lower surface of steel plate.As shown in Fig. 6 A, Fig. 6 B, in the present embodiment, described each the 3rd shower nozzle 31 consists of one the 3rd bending tube 311 and one the 3rd shower 312 that is communicated with the 3rd bending tube one end; It is also round nozzle towards the 3rd nozzle 3121, the three nozzles 3121 of lower surface of steel plate that the tube wall of described the 3rd shower 312 is provided with two row's injection directions; The other end of described the 3rd bending tube 311 connects respective line.As shown in Figure 2, in an embodiment of present embodiment, the vergence direction of described the 3rd shower 312 is identical with the vergence direction of steel plate.In another embodiment of present embodiment, described the 3rd shower 312 can also arrange (not shown) along the horizontal direction of steel plate.
From the above mentioned, the water-cooling system of steel plate quenching device of the present invention, control quenching tank Nei No. tri-waterworkss by valve, water in the quenching tank is carried out to the water cycle stirring, each waterworks, by rational nozzle ejection distance and spray angle design, makes current in quenching tank be streamline state as shown in Figure 3, has avoided the local water temperature over-high produced in the quenching process, make the upper and lower surface uniform of slab cooling, thereby obtain quenching quality steel plate preferably; During steel plate quenching, the round nozzle of lower surface of steel plate and the 3rd waterworks keeps certain distance, and a large amount of water coolants spray from round nozzle, can wash away at short notice or smash a large amount of bubbles that lower surface of steel plate quenches and produces; The round nozzle of the first waterworks and the second waterworks and upper surface of steel plate form certain angle, a large amount of bubbles that quench and produce for smashing, wash away upper surface of steel plate; Thereby can be so that steel plate quenching be more even, the quenched nickelclad mass defect of having avoided the difference due to Local cooling speed to produce.This water-cooling system is simple to operate, speed of cooling is fast, cooling uniformity is good, and its rational water-cooled flow and water spray pressure have improved the quenched nickelclad quality.
In the present embodiment, the water coolant that described three waterworkss use is the turbid circulating water in steel mill, enter respective line by water circulation system in steel mill, water pump by the different pressures grade carries out pressure treatment to turbid circulating water, and control the different flow of three waterworkss by valve, realize cooling to the upper and lower surface uniform of slab.
In the present embodiment, as shown in Figure 1, the water pump that described water pump 41 is the 20m lift, this water pump is connected in the second waterworks 2; The water pump that described water pump 42 is the 10m lift, this water pump is connected in the first waterworks 1 and the 3rd waterworks 3.
Concrete use procedure is as follows:
The steel plate heated is placed on and swings on stand by overhead traveling crane; Swing stand during material feeding and be the level of state, swing stand after material feeding and drive steel plate and swing to 45 ° downwards and stop, now steel plate is immersed in the water coolant of quenching tank fully; When steel plate enters water with the swing stand, start pressure pump, open the valve of each waterworks, now in quenching tank, current start to stir, and impact a large amount of bubbles (steam film) of the upper and lower surface of steel plate due to the boiling heat transfer generation, and the strengthening steel plate are cooling; After steel plate after a while is cooling, swing stand and swing upwards into the original level state, overhead traveling crane is transported the steel plate after quenching, and completes whole quenching technology.
Further, in the present embodiment, described a plurality of the second shower nozzles 21 also can be separately positioned on the interval between many longerons of described swing stand 8; The length of described the second shower 212 also should be less than and swing the interval width between longeron on stand 8; While swinging to avoid swinging stand 8 and the second waterworks 2 interfere.
At the water-cooling system Zhong， of steel plate quenching device of the present invention No. tri-waterworkss, whole quenched nickelclad surface is formed to solid and wash away, strengthening surface of steel plate heat transfer process, thus in whole quenching process, steel plate each several part speed of cooling reaches consistent; The a large amount of turbid circulating waters that feed are discharged quenching tank by water return pipeline, make the temperature rise of quenching trough inner water≤5 ℃, meet the quenching technology requirement.
The foregoing is only the schematic embodiment of the present invention, not in order to limit scope of the present invention.Any those skilled in the art, the equivalent variations of having done under the prerequisite that does not break away from design of the present invention and principle and modification, all should belong to the scope of protection of the invention.
Claims (10)
1. the water-cooling system of a steel plate quenching device; Described steel plate quenching device is the swing type quenching device, and it includes quenching tank and swings stand; It is characterized in that: described water-cooling system consists of the first waterworks, the second waterworks and the 3rd waterworks that are arranged in quenching tank;
Described the first waterworks is arranged on the over top of the upper surface of steel plate of inclination quenching position; Described the first waterworks a plurality of first shower nozzles spaced by the top along upper surface of steel plate form;
Described the second waterworks is arranged on the top, bottom of the upper surface of steel plate of inclination quenching position; Described the second waterworks a plurality of second shower nozzles spaced by the bottom margin along upper surface of steel plate form;
Described the 3rd waterworks is arranged on the below of the lower surface of steel plate of inclination quenching position; Described the 3rd waterworks consists of a plurality of the 3rd shower nozzles of or longitudinal interval setting horizontal along lower surface of steel plate.
2. the water-cooling system of steel plate quenching device as claimed in claim 1, it is characterized in that: described the first waterworks, the second waterworks and the 3rd waterworks are connected with water pump by respective line respectively.
3. the water-cooling system of steel plate quenching device as claimed in claim 2, it is characterized in that: described swing stand is connect and is formed by many spaced longerons and many spaced crossbeam groups; Described a plurality of the first shower nozzle is separately positioned on the interval between described many longerons.
4. the water-cooling system of steel plate quenching device as claimed in claim 3 is characterized in that: described each first shower nozzle consists of one first bending tube and one first shower that is communicated with this first bending tube one end; Axially be arrangeding in parallel with the transverse edge that swings stand of described the first shower; Described the first shower is provided with first nozzle of a plurality of injection directions towards upper surface of steel plate; The other end of described the first bending tube connects respective line; The length of described the first shower should be less than and swing the interval width between longeron on stand.
5. the water-cooling system of steel plate quenching device as claimed in claim 4, it is characterized in that: an end of described the first bending tube is communicated in the middle part of the first shower; The first shower two ends are blind end; Described the first nozzle is arranged on the tube wall of the first shower; Described the first nozzle is round nozzle.
6. the water-cooling system of steel plate quenching device as claimed in claim 2 is characterized in that: described each second shower nozzle consists of one second bending tube and one second shower that is communicated with this second bending tube one end; Axially be arrangeding in parallel with the transverse edge that swings stand of described the second shower; Described the second shower is provided with the second nozzle of a plurality of injection directions towards upper surface of steel plate; The other end of described the second bending tube connects respective line.
7. the water-cooling system of steel plate quenching device as claimed in claim 6, it is characterized in that: an end of described the second bending tube is communicated in the middle part of the second shower; The second shower two ends are blind end; Described second nozzle is arranged on the tube wall of the second shower; Described second nozzle is round nozzle.
8. the water-cooling system of steel plate quenching device as claimed in claim 2 is characterized in that: described each the 3rd shower nozzle consists of one the 3rd bending tube and one the 3rd shower that is communicated with the 3rd bending tube one end; The tube wall of described the 3rd shower is provided with three nozzle of two row's injection directions towards lower surface of steel plate; The other end of described the 3rd bending tube connects respective line.
9. the water-cooling system of steel plate quenching device as claimed in claim 8, it is characterized in that: the vergence direction of described the 3rd shower is identical with the vergence direction of steel plate.
10. the water-cooling system of steel plate quenching device as claimed in claim 8, it is characterized in that: described the 3rd shower is along the horizontal direction setting of steel plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102905422A CN103436670A (en) | 2013-07-11 | 2013-07-11 | Water cooling system for steel plate quenching apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102905422A CN103436670A (en) | 2013-07-11 | 2013-07-11 | Water cooling system for steel plate quenching apparatus |
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| CN103436670A true CN103436670A (en) | 2013-12-11 |
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| CN2013102905422A Pending CN103436670A (en) | 2013-07-11 | 2013-07-11 | Water cooling system for steel plate quenching apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953603A (en) * | 2016-06-25 | 2016-09-21 | 湖北长平汽车装备有限公司 | Numerical control spraying system |
| CN106868270B (en) * | 2017-02-27 | 2018-08-07 | 鞍钢集团工程技术有限公司 | A kind of slab and special heavy plate quenching experimental device and method |
| CN109439876A (en) * | 2018-12-26 | 2019-03-08 | 丽水青蓝环保科技有限公司 | A kind of mating equipment water jetting cooler for plate tempering product line equipment |
| CN116622974A (en) * | 2023-07-24 | 2023-08-22 | 宿迁宁海建翔机械制造有限公司 | Gear surface quenching device and process |
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| CN201981237U (en) * | 2011-01-26 | 2011-09-21 | 中冶京诚工程技术有限公司 | Roller hearth type quenching machine for heat treatment |
| CN202047095U (en) * | 2011-02-28 | 2011-11-23 | 舞阳钢铁有限责任公司 | Quenching device for thick steel plates |
| CN203320064U (en) * | 2013-07-11 | 2013-12-04 | 北京京诚凤凰工业炉工程技术有限公司 | Water cooling system of steel plate quenching device |
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2013
- 2013-07-11 CN CN2013102905422A patent/CN103436670A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201981237U (en) * | 2011-01-26 | 2011-09-21 | 中冶京诚工程技术有限公司 | Roller hearth type quenching machine for heat treatment |
| CN202047095U (en) * | 2011-02-28 | 2011-11-23 | 舞阳钢铁有限责任公司 | Quenching device for thick steel plates |
| CN203320064U (en) * | 2013-07-11 | 2013-12-04 | 北京京诚凤凰工业炉工程技术有限公司 | Water cooling system of steel plate quenching device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953603A (en) * | 2016-06-25 | 2016-09-21 | 湖北长平汽车装备有限公司 | Numerical control spraying system |
| CN106868270B (en) * | 2017-02-27 | 2018-08-07 | 鞍钢集团工程技术有限公司 | A kind of slab and special heavy plate quenching experimental device and method |
| CN109439876A (en) * | 2018-12-26 | 2019-03-08 | 丽水青蓝环保科技有限公司 | A kind of mating equipment water jetting cooler for plate tempering product line equipment |
| CN116622974A (en) * | 2023-07-24 | 2023-08-22 | 宿迁宁海建翔机械制造有限公司 | Gear surface quenching device and process |
| CN116622974B (en) * | 2023-07-24 | 2024-01-09 | 宿迁宁海建翔机械制造有限公司 | Gear surface quenching device and process |
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Application publication date: 20131211 |