CN104846186A - Cooling device for heat treatment of metal belts - Google Patents
Cooling device for heat treatment of metal belts Download PDFInfo
- Publication number
- CN104846186A CN104846186A CN201510304530.XA CN201510304530A CN104846186A CN 104846186 A CN104846186 A CN 104846186A CN 201510304530 A CN201510304530 A CN 201510304530A CN 104846186 A CN104846186 A CN 104846186A
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- metal strip
- electrode
- refrigerating unit
- nozzle
- net electrode
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- 239000002184 metal Substances 0.000 title claims abstract description 65
- 238000001816 cooling Methods 0.000 title claims abstract description 53
- 238000010438 heat treatment Methods 0.000 title abstract description 4
- 238000009413 insulation Methods 0.000 claims abstract description 24
- 239000012809 cooling fluid Substances 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 6
- 230000002209 hydrophobic effect Effects 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 239000007921 spray Substances 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 abstract description 4
- 230000005684 electric field Effects 0.000 abstract description 3
- 230000009916 joint effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 238000000889 atomisation Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 239000002826 coolant Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000007669 thermal treatment Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 230000002459 sustained effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
Landscapes
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention relates to a cooling device for the heat treatment of metal belts. The cooling device for the heat treatment of metal belts is characterized by comprising a cooling chamber, a spray system and a high-voltage system, wherein the cooling chamber is provided with an inlet and an outlet through which a metal belt continuously passes; the spray system comprises a medium supply system, a medium supply system pipe and a nozzle, and a spout of the nozzle faces the metal belt in the cooling chamber; and the high-voltage system comprises a high-voltage power supply, a net electrode and an insulation device; the net electrode is arranged between the metal belt in the cooling chamber and the nozzle, the net electrode is arranged on the inner wall of the cooling chamber by the insulation device, and the net electrode is connected with the high-voltage power supply by a high-voltage power line. According to the invention, atomized droplets can be subjected to charging treatment by high voltage loaded by the net electrode, and under the joint action of surface tension, electric field force, gravity, coulomb force and the like, the sizes of atomized droplets sprayed to the metal belt are more uniform, thereby facilitating the achievement of a good surface quality of the metal belt.
Description
Technical field
The invention belongs to technical field of heat treatment, be specifically related to a kind of metallic strip surface high-pressure fog refrigerating unit.
Background technology
In existing metal strip thermal treatment process, particularly in metal strip thermal treatment process for cooling, comparatively conventional is the cooling technology directly being sprayed aerosol by air-vapor cooling jet pipe, Water spray cooling spray pipe etc. to metal strip, this satisfies the production of more common variety metal strip product, but the defect existing for it makes it the production that is difficult to meet the high-grade metal strip product of part.Its defect is mainly manifested in: the atomizing droplet size distribution ranges that common air-vapor cooling jet pipe, Water spray cooling spray pipe etc. produce is wide, namely atomizing droplet dimensional homogeneity is poor, when injecting directly on metallic strip surface, size differs the kinetic energy difference that larger atomizing droplet possesses on the one hand, when being injected into metallic strip surface, affect the surface quality of metal strip, particularly more remarkable on the impact of coating product; Atomizing droplet dimensional homogeneity is poor on the other hand, causes metal strip cooling power uneven, is unfavorable for the plate form control of metal strip.Comprehensive above factor, is difficult to produce the high metal strip of surface quality requirements, the coating product that especially surface quality requirements is high.
Summary of the invention
For above-mentioned technical problem, the present invention aims to provide a kind of for the heat treated refrigerating unit of metal strip, high pressure can be loaded by electrode network and charged process is carried out to atomizing droplet, under the acting in conjunction of surface tension, electrical forces, gravity and Coulomb's force etc., make the dimensional homogeneity of the atomizing droplet spraying past metal strip better, thus be beneficial to the good metallic strip surface quality of acquisition.
In order to realize this technical purpose, technical scheme of the present invention is: one is used for the heat treated refrigerating unit of metal strip, it is characterized in that comprising cooling room, fog system, high-pressure system, and cooling room is provided with the import and outlet that continue through for metal strip; Fog system comprises medium supply system, medium supply system pipeline and nozzle, and medium supply system provides cooling fluid and pressurized gas to form solution-air medium, and nozzle is connected with medium supply system by medium supply line; Nozzle is positioned at cooling room, and the spout of described nozzle is towards the metal strip in cooling room;
High-pressure system comprises high-voltage power supply, net electrode and seal; Net electrode is positioned at cooling room, and net electrode is arranged between metal strip in cooling room and nozzle, and net electrode is arranged on the inwall of cooling room by seal, and net electrode is connected with high-voltage power supply 4 by high-voltage power-line.
By technique scheme, refrigerating unit also comprises detection system, and detection system comprises pick up camera and computer; Pick up camera is arranged between metal strip in cooling room and net electrode, and pick up camera is connected with computer by data line.
By technique scheme, described nozzle is arranged on angle regulator, and the injection direction of nozzle is adjustable, injection direction and nozzle and metal strip just to angle between direction between 0 ° ~ 10 °.
By technique scheme, the top of cooling room or sidepiece are provided with the fog discharge fan of fog discharge system.
By technique scheme, the seal of high-pressure system comprises 2 insulation mandrels, insulation mandrel is coated with the hydrophobic material (hydrophobic material is preferably silica gel) possessing insulating property, the middle part of 2 insulation mandrels is connected with net electrode, and the insulation mandrel outside net electrode is provided with dead ring (being preferably epoxy resins insulation ring).
By technique scheme, the left and right inwall of described cooling room is respectively arranged with rail plate, the length direction of rail plate is vertical with metal strip direction of passage, the two ends of insulation mandrel are provided with pulley, pulley and rail plate sliding contact also can be slided along rail plate, and are fixed by limited block.
By technique scheme, on dead ring, one-sided or both sides are distributed with multiple groove independently intersected, and groove is that vertical shape distributes and extends to dead ring extension.
By technique scheme, described net electrode comprises outside framework, electrode silk screen, and electrode silk screen is fixed on outside framework, and outside framework is fixed on the upper insulation mandrel of seal; The spacing of the wire electrode of electrode silk screen is 1 ~ 100mm, and wire electrode equidistantly distributes; The diameter of wire electrode is 0.1 ~ 0.4mm, and the diameter of outside framework and the diameter of wire electrode are than being 10:1.
By technique scheme, the outside edge of outside framework is processed with the groove for fixed electorde silk.
By technique scheme, net electrode is netted rectangular flat shape; The outside framework surrounding of net electrode is provided with chamfering.
Relative to prior art, the present invention has following beneficial effect: the present invention is evenly charged by carrying out atomized liquid coolant drop, make that the atomizing droplet mean sizes being finally injected into metallic strip surface is less, dimensional homogeneity is better, ensure that the cooling uniformity of metal strip in thermal treatment process of cooling and product surface quality, atomized liquid coolant drop is splendid by property, device cooling efficiency is high, equipment safety and reliability is high, long service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of refrigerating unit of the present invention embodiment and medium supply system thereof;
Fig. 2 is the schematic diagram of atomizing droplet through High-Voltage Network electrode of a refrigerating unit of the present invention embodiment;
Fig. 3 is the schematic diagram that the High-Voltage Network electrode of a refrigerating unit of the present invention embodiment is connected with refrigerating unit;
Fig. 4 is the schematic diagram of the seal of a refrigerating unit of the present invention embodiment;
Fig. 5 is the dead ring schematic diagram of the seal of a refrigerating unit of the present invention embodiment;
Fig. 6 is the dead ring schematic diagram of the seal of another embodiment of refrigerating unit of the present invention;
Fig. 7 is the wire side schematic diagram of the net electrode of the seal of a refrigerating unit of the present invention embodiment;
Fig. 8 is the wire side schematic diagram of the net electrode of the seal of another embodiment of refrigerating unit of the present invention;
In figure, each Reference numeral is corresponding as follows: 1 high-pressure system, 2 net electrodes, 3 high-voltage power-lines, 4 high-voltage power supplies, 5 fog discharge systems, 6 nozzles, 7 medium supply system pipelines, 8 fog systems, 9 medium supply systems, 10 for the heat treated refrigerating unit of metal strip, 11 metal strips, 12 computers, 13 pick up cameras, 14 primary atomization cooling fluid drops, 15 secondary-atomizing cooling fluid drops, 16 net electrodes silks, the rail plate that the wall body of the 17 relative both sides of device or housing are arranged, 18 wall bodies or housing, 19 outside frameworks, 20 seals, 21 dead rings, 22 grooves, 23 chamferings, 24 grooves, 25 apertures, 26 detection systems.
Embodiment
In order to understand the present invention better, illustrate content of the present invention further below in conjunction with drawings and Examples, but content of the present invention is not only confined to the following examples.
Embodiment 1:
As shown in Fig. 1-5, Fig. 7, one of the present invention is used for the heat treated refrigerating unit 10 (or claiming metallic strip surface high-pressure fog refrigerating unit) of metal strip, comprise cooling room, fog system 8, high-pressure system 1, cooling room is in the wall body of closed or housing 18, and cooling room is provided with the import and outlet that continue through for metal strip 11; Fog system 8 comprises medium supply system 9, medium supply system pipeline 7 and nozzle 6, medium supply system 9 provides cooling fluid and pressurized gas to form solution-air medium, nozzle 6 is connected with medium supply system 9 by medium supply line 7, and (the medium supply line 7 that solution-air medium passes through enters nozzle 6, complete atomization, obtain the primary atomization cooling fluid drop 14 of sustained firing); Nozzle 6 is positioned at cooling room (wall body in closed or housing 18), the spout of described nozzle 6 towards the metal strip 11[metal strip in cooling room by line (or claiming metal strip to pass through position)];
High-pressure system 1 comprises high-voltage power supply 4, net electrode 2 and seal 20; Net electrode 2 is positioned at cooling room (wall body in closed or housing 18), net electrode 2 is arranged between metal strip 11 in cooling room and nozzle 6, net electrode 2 is arranged on the inwall of cooling room by seal 20, net electrode 2 is connected by high-voltage power-line 3 and high-voltage power supply 4, and (primary atomization cooling fluid drop 14, through charged when being connected the net electrode 2 of high-voltage power supply 4, obtains the secondary-atomizing cooling fluid drop 15 of sustained firing; Secondary-atomizing cooling fluid drop 15, in high-voltage electric field, is injected on the metal strip 11 of grounding, completes the cooling process to metal strip 11 under the effect of electrical forces etc.).
Detection system 26 mainly comprises pick up camera 13 and computer 12; Pick up camera 13 is arranged between metal strip 11 in cooling room and net electrode 2, and pick up camera 13 is connected with computer 12 by data line.
Described nozzle 6 is arranged on angle regulator (injection direction of nozzle 6 is adjustable, injection direction and nozzle and metal strip just to angle between direction between 0 ° ~ 10 °);
The top of cooling room or sidepiece are provided with the fog discharge fan (the fog discharge fan of described fog discharge system 5 is arranged on the top of device wall body or housing 18) of fog discharge system 5.
The seal 20 of high-pressure system comprises 2 insulation mandrels, insulation mandrel is coated with the hydrophobic material (hydrophobic material is preferably silica gel) possessing insulating property, the middle part of 2 insulation mandrels is connected with net electrode 2, and outside net electrode 2, the insulation mandrel of (left and right sides) is provided with dead ring (being preferably epoxy resins insulation ring) 21 (to increase creepage distance).
The left and right inwall of described cooling room is respectively arranged with rail plate 17, the length direction of rail plate 17 is vertical with metal strip direction of passage (namely to be regulated at metal strip width, fore-and-aft direction regulates), the two ends of insulation mandrel are provided with pulley (two ends of insulation mandrel do not arrange dead ring), pulley and rail plate 17 sliding contact also can be slided along rail plate 17, and are fixed by limited block.
On dead ring (or claim dead ring ring plate) 21, one-sided or both sides are distributed with multiple groove 22 independently intersected, and groove 22 distributes in vertical shape and extends to dead ring extension.
Described net electrode 2 comprises outside framework 19, electrode silk screen, and electrode silk screen is fixed on outside framework 19, and outside framework 19 is fixed on the upper insulation mandrel of seal 20; The spacing of the wire electrode 16 of electrode silk screen is 1 ~ 100mm, and wire electrode 16 equidistantly distributes; The diameter of wire electrode 16 is 0.1 ~ 0.4mm, and the diameter of outside framework 19 and the diameter of wire electrode 16 are than being 10:1.
The outside edge of outside framework 19 is processed with the groove 24 for fixed electorde silk.
Net electrode is netted rectangular flat shape; The outside framework surrounding of net electrode is provided with chamfering 23.
During work, medium supply system 9 continues to provide cooling fluid and pressurized gas (forming solution-air medium), solution-air medium enters nozzle 6 by the medium supply line 7 of fog system 8, complete atomization, obtain the primary atomization cooling fluid drop 14 of sustained firing, the spraying situation of primary atomization cooling fluid drop 14 can be regulated by the pressure of the cooling fluid of control agent supply system 9 and pressurized gas, net electrode 2 is connected to high-voltage power supply 4 high-voltage output end by high-voltage power-line 3, the wall body of device or housing 18 are in closed and be provided with to import and export and continue through for metal strip 11, metal strip 11 ground connection, electric field is formed between net electrode 2 and metal strip 11, primary atomization cooling fluid drop 14 is charged when the net electrode 2 through connection high-voltage power supply 4, after net electrode 2, obtain mean sizes less, dimensional homogeneity better secondary-atomizing cooling fluid drop 15, because the primary atomization cooling fluid drop 14 that size is large can in surface tension, electrical forces, broken under the acting in conjunction of gravity and Coulomb's force etc., the primary atomization cooling fluid drop 14 that size is different simultaneously can under above-mentioned effect of making a concerted effort, and movement locus deflects, and the drop that size is little is more easily injected into the metallic strip surface through grounding, completes the cooling process to metal strip 11, the little atomized liquid coolant drop of size is when being injected into metallic strip surface, little on the surface quality impact of metal strip coating product, can obtain the metal strip product of high-quality, partly atomized cooling fluid drop can be discharged under the effect of fog discharge system 5, the atomizing droplet of failing to discharge in time can form water droplet on seal 20, and converged to rapidly independently in groove 22 on the dead ring 21 of seal, drop passes through independently groove 22 and flows and drip under gravity, ensures effective insulation of net electrode 2.
The present invention is evenly charged by carrying out atomized liquid coolant drop, make that the atomizing droplet mean sizes being finally injected into metallic strip surface is less, dimensional homogeneity is better, ensure that the cooling uniformity of metal strip in thermal treatment process of cooling and product surface quality, atomized liquid coolant drop is splendid by property, device cooling efficiency is high, equipment safety and reliability is high, long service life.
Embodiment 2:
As shown in Figure 6, substantially the same manner as Example 1, difference is: the groove on described dead ring 21 is the distribution of vertical shape.
Embodiment 3:
As shown in Figure 8, substantially the same manner as Example 1, difference is: be processed with for fixed electorde silk aperture 25 on outside framework; Or by viscose glue mode, wire electrode is fixed on outside framework.
Claims (10)
1. for the heat treated refrigerating unit of metal strip, it is characterized in that comprising cooling room, fog system (8), high-pressure system (1), cooling room is provided with the import and outlet that continue through for metal strip (11); Fog system (8) comprises medium supply system (9), medium supply system pipeline (7) and nozzle (6), medium supply system (9) provides cooling fluid and pressurized gas to form solution-air medium, and nozzle (6) is connected with medium supply system (9) by medium supply line (7); Nozzle (6) is positioned at cooling room, and the spout of described nozzle (6) is towards the metal strip (11) in cooling room;
High-pressure system (1) comprises high-voltage power supply (4), net electrode (2) and seal (20); Net electrode (2) be arranged on be positioned at cooling room between metal strip (11) and nozzle 6, net electrode (2) is arranged on the inwall of cooling room by seal (20), and net electrode (2) is connected with high-voltage power supply (4) by high-voltage power-line (3).
2. one according to claim 1 is used for the heat treated refrigerating unit of metal strip, it is characterized in that: described refrigerating unit also comprises detection system (26), detection system (26) comprises pick up camera (13) and computer (12); Pick up camera (13) be arranged on be positioned at cooling room between metal strip (11) and net electrode (2), pick up camera (13) is connected with computer (12) by data line.
3. one according to claim 1 is used for the heat treated refrigerating unit of metal strip, it is characterized in that: described nozzle (6) is arranged on angle regulator, the injection direction of nozzle (6) and nozzle and metal strip just to angle between direction between 0 ° ~ 10 °.
4. one according to claim 1 is used for the heat treated refrigerating unit of metal strip, it is characterized in that: the top of cooling room or sidepiece are provided with the fog discharge fan of fog discharge system (5).
5. one according to claim 1 is used for the heat treated refrigerating unit of metal strip, it is characterized in that: the seal (20) of high-pressure system comprises 2 insulation mandrels, insulation mandrel is coated with the hydrophobic material possessing insulating property, the middle part of 2 insulation mandrels is connected with net electrode (2), and the insulation mandrel in net electrode (2) outside is provided with dead ring (21).
6. one according to claim 1 is used for the heat treated refrigerating unit of metal strip, it is characterized in that: the left and right inwall of described cooling room is respectively arranged with rail plate (17), the length direction of rail plate (17) is vertical with metal strip direction of passage, the two ends of insulation mandrel are provided with pulley, pulley and rail plate (17) sliding contact also can be slided along rail plate (17), and are fixed by limited block.
7. one according to claim 5 is used for the heat treated refrigerating unit of metal strip, it is characterized in that: dead ring (21) above one-sided or both sides is distributed with multiple independently groove (22), and groove (22) extends to dead ring extension.
8. one according to claim 1 is used for the heat treated refrigerating unit of metal strip, it is characterized in that: described net electrode (2) comprises outside framework (19), electrode silk screen, electrode silk screen is fixed on outside framework (19), and outside framework (19) is fixed on the upper insulation mandrel of seal (20); The spacing of the wire electrode (16) of electrode silk screen is 1 ~ 100mm, and wire electrode (16) equidistantly distributes; The diameter of wire electrode (16) is 0.1 ~ 0.4mm, and the diameter of outside framework (19) and the diameter of wire electrode (16) are than being 10:1.
9. one according to claim 8 is used for the heat treated refrigerating unit of metal strip, it is characterized in that: the outside edge of outside framework (19) is processed with the groove (24) for fixed electorde silk.
10. one according to claim 1 is used for the heat treated refrigerating unit of metal strip, it is characterized in that: net electrode is netted rectangular flat shape; The outside framework surrounding of net electrode is provided with chamfering (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510304530.XA CN104846186B (en) | 2015-06-04 | 2015-06-04 | A kind of cooling device being heat-treated for metal tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510304530.XA CN104846186B (en) | 2015-06-04 | 2015-06-04 | A kind of cooling device being heat-treated for metal tape |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104846186A true CN104846186A (en) | 2015-08-19 |
| CN104846186B CN104846186B (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510304530.XA Active CN104846186B (en) | 2015-06-04 | 2015-06-04 | A kind of cooling device being heat-treated for metal tape |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110144442A (en) * | 2019-06-13 | 2019-08-20 | 范淼森 | A water quenching device for the heat treatment of high speed hot rolling finer wire |
| CN110257746A (en) * | 2019-06-20 | 2019-09-20 | 北京钢研新冶工程设计有限公司 | Cooling system and method after a kind of hot-dip galvanized steel strip plating of added electrostatic field |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110144442A (en) * | 2019-06-13 | 2019-08-20 | 范淼森 | A water quenching device for the heat treatment of high speed hot rolling finer wire |
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| CN110257746A (en) * | 2019-06-20 | 2019-09-20 | 北京钢研新冶工程设计有限公司 | Cooling system and method after a kind of hot-dip galvanized steel strip plating of added electrostatic field |
| CN110257746B (en) * | 2019-06-20 | 2021-06-29 | 北京钢研新冶工程设计有限公司 | Hot-dip galvanized strip steel post-plating cooling system and method with external electrostatic field |
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| CN104846186B (en) | 2017-10-24 |
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