CN2570300Y - Speed regulation and controlled blowing cooling device - Google Patents
Speed regulation and controlled blowing cooling device Download PDFInfo
- Publication number
- CN2570300Y CN2570300Y CN 02252596 CN02252596U CN2570300Y CN 2570300 Y CN2570300 Y CN 2570300Y CN 02252596 CN02252596 CN 02252596 CN 02252596 U CN02252596 U CN 02252596U CN 2570300 Y CN2570300 Y CN 2570300Y
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- CN
- China
- Prior art keywords
- spray box
- heat exchanger
- cooling
- crossbeam
- recirculation blower
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- Expired - Lifetime
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Abstract
The utility model provides a speed regulating and controlling blowing cooling device, which comprises a frame which is a rectangular structure, a support frame arranged on a crossbeam of the frame, and a heat exchanger arranged on the support frame. A corrugated compensation device of a high temperature pipe is connected with one end of the heat exchanger; the other end of the corrugated compensation device of the high temperature pipe is provided with an outlet; a circulation blower is arranged on one side of the heat exchanger and the crossbeam of the frame; the circulation blower is communicated with the heat exchanger through a turning connecting pipe and an inlet of the blower; an upper part spray box is arranged below the crossbeam of the frame, one end of the spray box is provided with a nozzle; a lower part spray box is arranged above the crossbeam of the frame, one end of the spray box is provided with a nozzle; one end of the upper spray box and the lower spray box is communicated through a front connecting pipe of the spray boxes; a distance A is formed between the nozzle of the upper spray box and the nozzle of the lower spray box; the corrugated compensation device is arranged between the front connecting pipe of the spray box and the circulation blower. The utility model can proceed accurate control of cooling speed.
Description
Technical field
The invention provides a kind of refrigerating unit, be meant especially a kind ofly to be suitable for the quick cooling of cold rolled continuous annealing unit or to control fast cooling apparatus.
Background technology
Heating with continuous annealing is compared with heat preservation technology, the development of cooling technology is relatively slow, as traditional water jacket cooler, the cooling of air cooling pipe etc., and as the cold rolled continuous annealing important component part, cooling plays keying action to the performance of product, requires to have the controllability to speed of cooling on quick refrigerative basis, promptly, speed of cooling is accurately controlled according to the needs of product.
Typical heat treatment cycle with soft steel is an example, see also shown in Figure 1, for guaranteeing the quality for the treatment of product, need in reducing atmosphere, carry out art breading, cooling mode has diversity, adopting more is water jacket cooler and the cooling of air cooling pipe etc., and the shortcoming of this cooling mode is that speed of cooling is slow, the poor controllability of speed of cooling.
According to heat treatment cycle curve shown in Figure 1, treating product exists tangible slow cooling and fast cold requirement, traditional type of cooling obviously can't meet the demands, and therefore requires on the refrigerative basis speed of cooling is being controlled fast, is necessary to develop speed governing control speed winding-up refrigerating unit.
The utility model content
The purpose of this utility model is, a kind of speed governing control speed winding-up refrigerating unit is provided, and it can accurately be controlled speed of cooling.
A kind of speed governing control speed of the utility model winding-up refrigerating unit is characterized in that, comprising: a framework, this framework are rectangular configuration; One support is installed on the crossbeam of framework; One heat exchanger is rack-mount; One high-temperature pipe FlexbleJoint is connected with an end of heat exchanger, and the other end of this high-temperature pipe FlexbleJoint is a suction outlet; One recirculation blower is installed on the crossbeam of a side, framework of heat exchanger, takes over and the fans entrance adapter is communicated with by turning between this recirculation blower and the heat exchanger; Below the crossbeam of framework a top spray box is installed, an end of this spray box is a spout; Above the crossbeam of framework a bottom spray box is installed, an end of this spray box is a spout, and an end of this upper and lower spray box is taken over before by spray box and is communicated with, and between the spout of this this upper and lower spray box a distance A is arranged; Before spray box, be connected with FlexbleJoint between adapter and the recirculation blower.
Gas sampling tube wherein is installed on FlexbleJoint and regulates butterfly valve.
Wherein before spray box, between adapter and the upper and lower spray box three fens valves are installed.
Wherein the side at recirculation blower is equipped with frequency control motor.
Wherein a Temperature Detector is installed turning in the adapter.
One frequency transformer wherein is installed on recirculation blower.
Wherein the width at upper and lower spray box is provided with 3-6 speed governing passage.
Description of drawings
Fig. 1 is the heat treatment cycle curve figure that soft steel is produced;
Fig. 2 is a structural representation of the present utility model.
Embodiment
See also shown in Figure 2ly, a kind of speed governing control of the utility model speed winding-up refrigerating unit comprises:
One framework 19, this framework 19 is a rectangular configuration;
One support 3 is installed on the crossbeam 191 of framework 19;
One heat exchanger 4 is installed on the support 3;
One high-temperature pipe FlexbleJoint 2 is connected with an end of heat exchanger 4, and the other end of this high-temperature pipe FlexbleJoint 2 is a suction outlet 1;
One recirculation blower 8 is installed on the crossbeam 191 of a side, framework 19 of heat exchanger 4, between this recirculation blower 8 and the heat exchanger 4 by turn to take over 5 and fans entrance take over 7 and be communicated with; Side at recirculation blower 8 is equipped with frequency control motor 9 (not shown); A Temperature Detector 6 is installed turning to take on 5; One frequency transformer 10 (not shown) is installed on recirculation blower 8;
Below the crossbeam 191 of framework 19 a top spray box 17 is installed, an end of this spray box 17 is a spout 171;
Above the crossbeam 192 of framework 19 a bottom spray box 18 is installed, an end of this spray box 18 is a spout 181, and an end of this upper and lower spray box 17,18 is taken over 14 before by spray box and is communicated with, and between the spout 171,181 of this upper and lower spray box 17,18 distance A is arranged; Width at upper and lower spray box 17,18 is provided with 3-6 speed governing passage, the respectively corresponding three fens valve 16 of this each speed governing passage;
Before spray box, be connected with FlexbleJoint 11 between adapter 14 and the recirculation blower 8, gas sampling tube 12 be installed on FlexbleJoint 11 and regulate butterfly valve 13; Before spray box, take over 14 and upper and lower spray box 17,18 between three fens valves 16 are installed, this three fens valves 16 can be controlled the flow of each speed governing passage.
Working process of the present utility model is:
The utility model is installed on the streamline of milling train, passes through in the distance A of rolling band steel between the spout 171,181 of upper and lower spray box 17,18.
This speed governing control speed winding-up refrigerating unit distributes adjusting butterfly valve 13, circulation passage and spray box to form this device by heat exchanger 4, the shielding gas of shielding gas recirculation blower 8 (comprising that AC converter 10 and buncher 9 figure do not show), water coolant/shielding gas.In order to make the band steel after the heating be cooled to specified temperature and keep any surface finish, utilize low-temperature protection gas to spray to belt steel surface at a high speed, with the cooling zone steel from the spout 171,181 of upper and lower spray box 17,18.Cooled off with the shielding gas of steel and extracted out, entered the heat exchanger 4 of water coolant/shielding gas, after cooling, reentered in the stove through recirculation blower 8.For cooling protection gas, adopt the heat exchanger of finned water coolant/protection gas.
Its principle of work is: hot protective gas is extracted out by recirculation blower 8 in the stove; heat exchanger 4 through water coolant/protection gas cools off earlier; heat is taken away by industrial circulating water; by recirculation blower 8 cold shielding gas is extracted out again and entered spray box; be directly injected to two surfaces of band steel, reach the purpose of cooling zone steel by the forced convection heat exchange.
The characteristics of this technology are:
1) speed of cooling is fast, and refrigerative belt steel surface smooth finish is very good; Its shortcoming is because the concrete shape and the jeting effect of spray box are subjected to condition restriction such as plate is wide, unit speed, and the cooling degree of uniformity needs to improve.Concrete innovative approach is regulated passage and variable valve for need establish several along the width of spray box.
2) speed of cooling can be controlled, and the control of speed of cooling is finished by regulating recirculation blower, therefore need carry out variable frequency control to recirculation blower.
Embodiment
The utility model is divided into high-temperature gas cooling segment, recirculation blower and variable frequency control part, the connecting tube behind the recirculation blower and gas sampling, the shower cooling part before the recirculation blower substantially.
(1) the high-temperature gas cooling segment before the recirculation blower: this part is made up of the suction outlet 1 of high-temperature gas, high-temperature pipe FlexbleJoint 2, the heat exchanger mounting bracket 3 of water coolant/protection gas, the heat exchanger 4 of water coolant/protection gas.
High-temperature gas is under the draft effect of recirculation blower; suction outlet 1 sucking-off along high-temperature gas; by entering the heat exchanger 4 of water coolant/protection gas behind the high-temperature pipe FlexbleJoint 2; the heat exchanger 4 of water coolant/protection gas adopts service water as heat-eliminating medium; for strengthening cooling performance; the heat exchanger 4 of water coolant/protection gas adopts finned cooling tube to arrange; high-temperature gas is by behind the heat exchanger 4 of water coolant/protection gas; its heat water that is cooled is taken away; become the lower protective gas of temperature, thereby finished the fast cooling of protective gas.
(2) recirculation blower and variable frequency control part: this part is by turning to adapter 5, protective gas temperature-detecting device 6, fans entrance adapter 7, recirculation blower 8, buncher 9, frequency transformer 10 to form.
Protective gas had passed through cooling before entering blower fan, therefore turn to that to take at 5 o'clock be high-temperature gas no longer entering, but need know concrete gas temperature, at first recirculation blower has requirement to temperature, secondly also need cooling performance is controlled, therefore establish protective gas temperature-detecting device 6 turning to take on 5, adopt S type thermopair, detected result participates in the control to cooling water flow; Protective gas enters fans entrance through temperature detection and takes over 7, enters recirculation blower 8 then, and recirculation blower 8 is furnished with buncher 9 and frequency transformer 10.
The working order of recirculation blower directly has influence on speed of cooling, in the design of speed governing control speed winding-up refrigerative, is by the adjusting of recirculation blower being finished the control to speed of cooling therefore.Control to buncher 9 and recirculation blower 10, the precision height of control have been finished by frequency transformer 10.
(3) connecting tube behind the recirculation blower and gas sampling: protective gas behind recirculation blower through FlexbleJoint 11, gas sampling tube 12 with regulate and take over 14 before butterfly valve 13 enters spray box.Welded construction is all adopted in all connections, guarantees not have to leak.
(4) shower cooling part: protective gas is divided into top cooling and bottom cooling to the cooling of workpiece, therefore is provided with top spray box 17, bottom spray box 18 and three fens valves 16.
Owing to after medium is sprayed onto solid surface, do not leave the surface, but flow,, be referred to as overflow at once until the edge along solid surface.The development of this overflow can exert an influence to the injection heat transfer effect.The overflow meeting causes along strip width direction heat transfer coefficients distribution inequality, for this influence, for making the width heat exchange even, can adopt the method for control width flow distribution to overcome.The spray box broad ways can be merotomized, every part independent control flow can be adjusted the width cooling power so flexibly.
The effect of three fens valves 16 will be carried out independent control to the cooling of the width of spray box exactly, that is to say the flow that can control from the cooling gas of spray box ejection.
The utility model has the advantages that:
1) cooling velocity is fast; Adopt and force the jet flow cooling, cooling velocity is fast.
2) the belt steel surface fineness of cooling is very good; Adopt N2And H2The property protective gas, thorough Oxidative environment is eliminated at the end, allow workpiece finish cooling in reducing atmosphere, so surface quality is good.
3) need establish several along the width of spray box and regulate passage and control valve, the cooling uniformity coefficient Be improved.
4) cooling velocity can be controlled, and by circulating fan is carried out VFC, finishes following The adjusting of ring blower fan, thus reach the purpose that cooling velocity is controlled.
Claims (7)
1, a kind of speed governing control speed winding-up refrigerating unit is characterized in that, comprising:
One framework, this framework are rectangular configuration;
One support is installed on the crossbeam of framework;
One heat exchanger is rack-mount;
One high-temperature pipe FlexbleJoint is connected with an end of heat exchanger, and the other end of this high-temperature pipe FlexbleJoint is a suction outlet;
One recirculation blower is installed on the crossbeam of a side, framework of heat exchanger, takes over and the fans entrance adapter is communicated with by turning between this recirculation blower and the heat exchanger;
Below the crossbeam of framework a top spray box is installed, an end of this spray box is a spout;
Above the crossbeam of framework a bottom spray box is installed, an end of this spray box is a spout, and an end of this upper and lower spray box is taken over before by spray box and is communicated with, and between the spout of this this upper and lower spray box a distance A is arranged;
Before spray box, be connected with FlexbleJoint between adapter and the recirculation blower.
2, speed governing control speed winding-up refrigerating unit according to claim 1 is characterized in that, gas sampling tube wherein is installed on FlexbleJoint and regulates butterfly valve.
3, speed governing control speed winding-up refrigerating unit according to claim 1 is characterized in that, wherein between adapter and the upper and lower spray box three fens valves is installed before spray box.
4, speed governing control speed winding-up refrigerating unit according to claim 1 is characterized in that wherein the side at recirculation blower is equipped with frequency control motor.
5, speed governing control according to claim 1 speed winding-up refrigerating unit is characterized in that, wherein a Temperature Detector is installed turning in the adapter.
6, speed governing control speed winding-up refrigerating unit according to claim 1 is characterized in that, a frequency transformer wherein is installed on recirculation blower.
7, speed governing control speed winding-up refrigerating unit according to claim 1 is characterized in that wherein the width at upper and lower spray box is provided with 3-6 speed governing passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02252596 CN2570300Y (en) | 2002-09-11 | 2002-09-11 | Speed regulation and controlled blowing cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02252596 CN2570300Y (en) | 2002-09-11 | 2002-09-11 | Speed regulation and controlled blowing cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2570300Y true CN2570300Y (en) | 2003-09-03 |
Family
ID=33722046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02252596 Expired - Lifetime CN2570300Y (en) | 2002-09-11 | 2002-09-11 | Speed regulation and controlled blowing cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2570300Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104250678A (en) * | 2013-06-25 | 2014-12-31 | 宝山钢铁股份有限公司 | Slow-cooling section device of horizontal annealing furnace radiation cooling system and control method thereof |
| CN106834634A (en) * | 2017-02-17 | 2017-06-13 | 东北大学 | Quenching experimental device and quenching assay method |
| CN109852767A (en) * | 2019-01-11 | 2019-06-07 | 湖南华菱涟源钢铁有限公司 | Heat treatment cooling equipment |
-
2002
- 2002-09-11 CN CN 02252596 patent/CN2570300Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104250678A (en) * | 2013-06-25 | 2014-12-31 | 宝山钢铁股份有限公司 | Slow-cooling section device of horizontal annealing furnace radiation cooling system and control method thereof |
| CN104250678B (en) * | 2013-06-25 | 2016-12-28 | 宝山钢铁股份有限公司 | Horizental annealer radiation cooling system slow cooling section device and control method |
| CN106834634A (en) * | 2017-02-17 | 2017-06-13 | 东北大学 | Quenching experimental device and quenching assay method |
| CN109852767A (en) * | 2019-01-11 | 2019-06-07 | 湖南华菱涟源钢铁有限公司 | Heat treatment cooling equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120911 Granted publication date: 20030903 |