CN114226470A - Thermal simulation cooling control system and use method - Google Patents
Thermal simulation cooling control system and use method Download PDFInfo
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- CN114226470A CN114226470A CN202111503404.9A CN202111503404A CN114226470A CN 114226470 A CN114226470 A CN 114226470A CN 202111503404 A CN202111503404 A CN 202111503404A CN 114226470 A CN114226470 A CN 114226470A
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- guide rail
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- 238000001816 cooling Methods 0.000 title claims abstract description 190
- 238000004088 simulation Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims description 50
- 239000002826 coolant Substances 0.000 claims abstract description 49
- 239000007921 spray Substances 0.000 claims description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 238000009423 ventilation Methods 0.000 claims description 29
- 239000011261 inert gas Substances 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 20
- 238000012360 testing method Methods 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 22
- 239000010959 steel Substances 0.000 description 22
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 20
- 238000010791 quenching Methods 0.000 description 14
- 229910052786 argon Inorganic materials 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 230000000171 quenching effect Effects 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000000137 annealing Methods 0.000 description 8
- 238000003780 insertion Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000003064 anti-oxidating effect Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 238000004781 supercooling Methods 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- YCANCZRRZBHLEN-UHFFFAOYSA-N [N].O Chemical compound [N].O YCANCZRRZBHLEN-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000001073 sample cooling Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B2045/0212—Cooling devices, e.g. using gaseous coolants using gaseous coolants
Abstract
The invention relates to the field of thermal simulation cold control. The utility model provides a thermal simulation accuse cold system, including last cooling shower nozzle, cooling shower nozzle down, two connecting pipes of ventilating, fixed bolster (9), vertical adjustment device, horizontal adjustment device, two kinds of coolant, it fixes on vertical adjustment device through first branch pipe of ventilating to go up cooling shower nozzle, vertical adjustment device installs on fixed bolster (9), horizontal adjustment device installs subaerial, fixed bolster (9) are fixed on horizontal adjustment device, it is connected to two kinds of coolant through pipeline and valve respectively with cooling shower nozzle down to go up cooling shower nozzle.
Description
Technical Field
The invention relates to the field of thermal simulation cold control.
Background
The cost of directly carrying out industrial experiments on the development, quality improvement and process improvement of new products of steel materials is too high to be realized, and a plurality of physical parameters are difficult to control accurately, so that the industrial production conditions can be reproduced and simulated in a laboratory by utilizing the physical simulation technology of a thermal simulation testing machine. The laminar cooling device is a key device for the production of the hot rolled strip steel, and has the functions of obtaining proper strip steel coiling temperature and controlling the final mechanical property of the strip steel, and the control precision of laminar cooling capacity, cooling strength, cooling speed and final cooling temperature directly influences the quality and performance of a final product; in addition, the heat treatment process also requires precise cooling control, improves the cutting processing performance of the material, improves the plasticity, achieves the purposes of refining grains, adjusting the structure, eliminating defects and the like, and can protect the material from oxidation if the heat treatment process is carried out under a protective atmosphere.
The thermal simulation testing machine is provided with a simulation device for plate strip annealing, the device is arranged in a universal unit cavity, firstly, a pulling/pressing assembly in a universal unit needs to be dismantled, the plate strip annealing device can be arranged in place, and time and labor are wasted; secondly, the cooling spray nozzles of the plate strip annealing device are transversely distributed by circular atomizing nozzles and are fixed at the bottom of the cavity, and the distance between the circular atomizing nozzles and the plate strip is fixed and cannot be adjusted. During annealing and cooling control, due to single-side cooling of the plate strip and the circular atomizing nozzle, the plate strip is not uniformly cooled integrally, the circular atomizing nozzle is far away from the plate strip and is an atomizing nozzle, so that the cooling speed of the plate strip is limited, and the simulation of a laminar cooling process with the speed of more than 100 ℃/s cannot be carried out.
The sample cooling device of the thermal simulation testing machine plate strip annealing system disclosed in the Chinese patent CN201756574U is provided with an upper group of tubular nozzles and a lower group of tubular nozzles, a plate strip sample is arranged in the middle, the relative distance between the sample and the upper and lower nozzles can be changed, and the nozzles can be rotationally fixed at a certain position through nozzle clamps. The utility model discloses a two sets of tubular nozzles about providing, the section of time total covering when forming not all regions of slab band, even the nozzle can rotate, also fix certain position, the nozzle-hole that the line type form distributes still is the local position cooling to the slab band, can't reach the even cooling of whole slab band, more can't reach the requirement that simulation hot rolling belted steel whole full-size sample carries out the simulation of laminar flow cooling process high cooling rate, in addition, the utility model discloses also not mention the slab band how accomplish anti-oxidant function in the cooling process, just also can't realize the annealing process under the atmosphere protection.
The Chinese patent CN201527376U discloses an air jet cooling device, wherein an air nozzle is arranged on the device to cool a steel plate strip sample in one direction, an air source is from an air compressor, the cooling mode and a cooling medium are gradually increased along with the thickness of a steel plate, the cooling capacity is very limited and greatly attenuated, and the laminar cooling process of hot rolling or hot continuous rolling cannot be simulated at all; in addition, the utility model can not provide the anti-oxidation function in the steel plate controlled cooling process, and the simulation of the atmosphere annealing process can not be performed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: how to realize cooling the steel plate in the thermal simulation testing machine and meet the cooling requirements of various conditions.
The technical scheme adopted by the invention is as follows: the utility model provides a thermal simulation accuse cold system, including last cooling shower nozzle, cooling shower nozzle down, two connecting pipes of ventilating, fixed bolster (9), vertical adjustment device, horizontal adjustment device, two kinds of coolant, it fixes on vertical adjustment device through first branch pipe of ventilating to go up cooling shower nozzle, vertical adjustment device installs on fixed bolster (9), horizontal adjustment device installs subaerial, fixed bolster (9) are fixed on horizontal adjustment device, it is connected to two kinds of coolant through pipeline and valve respectively with cooling shower nozzle down to go up cooling shower nozzle.
The upper cooling spray head and the lower cooling spray head are both flat spray heads (1), wherein the lower part of the upper flat spray head is provided with a plurality of spray holes (2), and the upper part of the lower flat spray head is provided with a plurality of spray holes (2).
The vertical adjusting device comprises a vertical guide rail groove (10) on a fixed support (9) and two sliding shoulders (5) matched with the vertical guide rail groove (10), wherein the first sliding shoulder is fixedly connected with the first ventilation branch pipe, and the second sliding shoulder is fixedly connected with the second ventilation branch pipe.
The horizontal adjusting device comprises a horizontal guide rail groove fixed on the ground, a cuboid plate with a horizontal guide rail (11), and positioning holes located on the ground and the cuboid plate, wherein the horizontal guide rail (11) is a raised cuboid strip, the horizontal guide rail groove is a strip-shaped groove body, the horizontal guide rail (11) is embedded in the horizontal guide rail groove and can move in the linear direction, the positioning holes on the ground are a plurality of positioning holes arranged in a straight line, the positioning holes on the cuboid plate are 2-4 positioning holes arranged in a straight line, and when the horizontal adjusting device needs to be fixed, a stud penetrates through the positioning holes on the cuboid plate and the positioning holes on the ground to be fixed.
The first ventilation branch pipe is fixedly connected with the upper cooling sprayer through the first pipe joint, the second ventilation branch pipe is fixedly connected with the lower cooling sprayer through the second pipe joint, the upper cooling sprayer is connected with the first interface of the first tee through the first pipe joint, the first ventilation branch pipe, the first sliding shoulder and the first pipeline, the second interface of the first tee is connected with the first cooling medium through the first valve, the third interface of the first tee is connected with the second cooling medium through the second valve, the lower cooling sprayer is connected with the first interface of the second tee through the second pipe joint, the second ventilation branch pipe, the second sliding shoulder and the second pipeline, the second interface of the second tee is connected with the first cooling medium through the third valve, and the third interface of the second tee is connected with the second cooling medium through the fourth valve.
The first cooling medium is a compressed gas-water mixture and the second cooling medium is an inert gas.
The use method of the thermal simulation cooling control system is characterized by comprising the following steps
Firstly, detaching a coupler of a thermal simulation testing machine connected with a hydraulic shaft and a movable shaft, moving a left movable shaft of a pulling/pressing component in a cavity of the thermal simulation testing machine leftwards, wherein the distance between the left movable shaft of the pulling/pressing component and the left wall of the cavity is 1-5mm, and moving the hydraulic shaft, wherein the distance between the hydraulic shaft and the movable shaft is 5-10 mm;
opening a rear door of the cavity, sliding the fixed support (9) left and right, and enabling the fixed support (9) to be in the middle position of the pulling/pressing assembly, so that the upper and lower cooling nozzles form full coverage on the free span interval of the plate strip to be processed and the width of the plate strip;
thirdly, the height of the two ventilating connecting pipes is adjusted through a vertical adjusting device, so that the upper and lower cooling spray heads and the plate belt to be processed are positioned at the most appropriate positions,
fourthly, the strip to be processed is installed, the air hammer is opened to be in a tensile stress state, the tensile stress is 0.3 KN-1.5 KN, the suction force caused by the difference of the air pressure in the cavity and the air pressure outside the cavity is offset, the strip to be processed is prevented from being bent, and the cavity is in a working atmosphere environment which is vacuumized and then filled with inert gas for protection;
and fifthly, adjusting the opening and closing of the first valve, the second valve, the third valve and the fourth valve according to the requirements of the laminar cooling controlled cooling process and the heat treatment process, thereby realizing low cooling speed cooling, high cooling speed cooling and variable cooling speed cooling.
The low cooling rate cooling means that the first valve, the second valve, the third valve and the fourth valve are adjusted to enable the upper cooling spray nozzle and the lower cooling spray nozzle to be communicated with a second cooling medium, namely inert gas, the high cooling rate cooling means that the first valve, the second valve, the third valve and the fourth valve are adjusted to enable the upper cooling spray nozzle and the lower cooling spray nozzle to be communicated with the second cooling medium, namely compressed gas-water mixture, and the variable cooling means that the first valve, the second valve, the third valve and the fourth valve are adjusted to enable the upper cooling spray nozzle to be communicated with the second cooling medium, namely inert gas, and the lower cooling spray nozzle to be communicated with the second cooling medium, namely compressed gas-water mixture. The invention has the beneficial effects that: in order to develop new steel grades and apply new technology, the products obtain ideal structure and performance, a simulation test needs to be carried out on the laminar cooling process, and simultaneously, an oxidation resistance simulation test of the products which need to be controlled in cooling and protected by atmosphere can be realized. Therefore, the invention provides a thermal simulation cold control system and a using method thereof, and aims to provide a set of cold control system for simultaneously cooling the two sides of a steel plate strip, wherein a cooling medium can select compressed air, water, inert gas and the like according to process simulation requirements.
By adopting the thermal simulation cold control system and the use method, on the premise of not disassembling any component, the space in the cavity is fully utilized, a pair of flat plate spray heads are designed to be parallel to the steel plate strip, and the full coverage is formed on the free span area and the strip width of the steel plate strip, so that the two surfaces of the steel plate strip are uniformly cooled, and the time and the labor are saved; various cooling media can simultaneously and respectively cool different surfaces of the plate strip, and can intervene in high and low temperature sections in a time-sharing manner, so that temperature fluctuation is avoided, and the temperature control precision is very accurate; in addition, the invention can apply various atmosphere protection to the cavity, realize the oxidation resistance simulation experiment of the product which needs both cooling control and atmosphere protection, and the process simulation process automatically runs from the simulation of the laminar cooling process with high cooling speed to the annealing process with low cooling speed, and other field process processes, and the whole operation process is safe, simple and convenient to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the low cooling rate cooling configuration of the present invention;
FIG. 3 is a schematic view of the high cooling rate cooling configuration of the present invention;
FIG. 4 is a schematic view of a variable cooling rate cooling configuration of the present invention;
FIG. 5 is a graphical representation of the low cooling rate cooling results of the present invention;
FIG. 6 is a schematic illustration of the high cooling rate cooling results of the present invention;
FIG. 7 is a graph showing the cooling results of the variable cooling rate of the present invention;
the device comprises a flat spray head 1, a flat spray head 2, spray holes 3, a ventilation straight pipe 4, a pipe connector 5, a shoulder 6, a threaded pipe 7, a fastening through nut 8, a pneumatic quick-plugging connector 9, a fixing support 10, a vertical guide rail groove 11, a horizontal guide rail 12, a pneumatic high-pressure hose 13, a pneumatic quick-plugging tee joint 14, a cooling control electromagnetic valve 15, an electromagnetic valve and cavity connector 16, a high-pressure rubber pipe 17, an L-shaped cavity connector 18 and an inflation electromagnetic valve.
Detailed Description
Example 1
A thermal simulation cooling control system comprises an upper flat spray head, a lower flat spray head, a ventilation straight pipe, a fastening through nut, a fixed support, a solenoid valve and cavity joint, a solenoid valve, a pneumatic quick connector, a pneumatic high-pressure hose and a cooling medium. The upper flat plate spray head and the lower flat plate spray head are respectively distributed with tiny spray holes and are parallel to the steel plate strip to form a spray shape on two side surfaces of the steel plate strip, the length of each flat plate spray head covers the free span of the whole strip sample, and the width of each flat plate spray head covers the width of the steel plate strip; one end of the ventilation straight pipe is connected with the side face of the flat plate sprayer, the other end of the ventilation straight pipe is inserted into the vertical guide rail groove of the fixed support and is locked by one end of the fastening through nut, the other end of the fastening through nut is connected with the pneumatic quick-plugging connector, and therefore the ventilation pipe is convenient to connect, the upper flat plate sprayer and the lower flat plate sprayer are fixed on the vertical guide rail groove of the fixed support and can stay at any position, and stepless regulation on the distance between the steel plate belts is formed. The fixed support is L + T-shaped, the horizontal guide rail on the T-shaped side is used for sliding in the horizontal guide rail groove on the ground, and the L-shaped vertical guide rail groove is used for fixing the upper flat plate nozzle and the lower flat plate nozzle and performing stepless adjustment on the distance between the upper flat plate nozzle and the lower flat plate nozzle and the middle plate belt. The electromagnetic valve and the cavity joint are connected with an outlet of the electromagnetic valve through an internal thread at one end, the nut shape at the other end is consistent with the inner diameter of the interface screw thread at the top of the cavity, the cavity interface is sealed and the electromagnetic valve is fixed, the nut shape at the other end is internally connected with a pneumatic quick connector which is communicated with an electromagnetic valve channel through an internal thread through hole and is convenient for connecting an air pipe to form a cooling medium channel. The electromagnetic valve is used for controlling cooling media to enter the upper flat plate nozzle and the lower flat plate nozzle in the process of process simulation. The pneumatic quick connector and the pneumatic high-pressure hose are used for connecting the fastening through nut and the outlet of the electromagnetic valve. The inert gas access of the cooling medium is introduced through a pagoda joint connected to an inlet of the electromagnetic valve, the compressed gas-water mixture access of the cooling medium is connected to an L-shaped cavity body interface of the cavity through a high-pressure rubber pipe, the joints are provided with the pagoda joints at the inner side and the outer side of the cavity, and the inner side of the joint is connected with a pneumatic high-pressure hose through the high-pressure rubber pipe.
When the single cooling medium controls the cooling of the steel plate strip, the cooling medium is supplied to the two flat plate nozzles through the pneumatic quick-inserting three-way joint.
At least two electromagnetic valves are needed to be configured, one electromagnetic valve is used for controlling cooling medium to flow into the flat spray head, the other electromagnetic valve is used for controlling protective gas to be filled into the cavity, and electromagnetic valve control signals can be called by a program and used for achieving automatic control operation of the invention.
The control signals of the two solenoid valves are respectively direct current 24V of QUENCH3&4, and one of the two is selected.
The cooling medium comprises a compressed gas-water mixture (such as a compressed nitrogen-water mixture), inert gas and the simultaneous use of the two media.
The compressed gas-water mixture is provided by a high-flow quenching tank, and a gas tank and a water tank are separately controlled by a direct-current 24V signal of QUENCH1&2 and can be called by a program; the inert gas is high-purity nitrogen or high-purity argon with the purity of more than 99.99 percent in a 40L bottle, and the high/low pressure side measuring range of the pressure reducing valve is 25MPa \1.6 MPa.
And opening the thermal simulation testing machine, detaching a coupler connecting the hydraulic shaft and the movable shaft, moving the movable shaft on the left side of the pulling/pressing component in the cavity leftwards, stopping at a position which is as close as possible to the left wall of the cavity but not touched, and moving the hydraulic shaft to keep a distance of at least 5mm from the movable shaft so as to leave a point space allowance for controlling the tension of the plate strip.
The screw of the bottom plate is detached after the cavity rear door is opened, the fixing support is fixed on the bottom plate, the horizontal guide rail groove slides left and right to fix the support in the fixing process, the vertical guide rail groove of the fixing support is positioned in the middle of the pulling/pressing assembly, so that the flat plate spray heads can be arranged in the pulling/pressing assembly, and the upper flat plate spray heads and the lower flat plate spray heads can form full coverage on the free span interval of the plate belt and the width of the plate belt.
The upper and lower flat plate nozzles are respectively connected with the ventilation straight pipe, are fixed on the vertical guide rail groove of the fixed bracket by fastening through nuts, and can steplessly adjust the distance between the upper and lower flat plate nozzles and the steel plate strip. And screwing the pneumatic quick-connection plug on the through nut, and cutting three pneumatic high-pressure hoses with proper lengths.
Adjusting the output pressure of the high-pressure inert gas cylinder, wherein the output of the low-pressure side does not exceed 1MPa for the safety of the quick connector; the high-flow quenching tank consists of an air tank and a water tank, the respective output flows are controlled by adjusting needle valves of the air tank and the water tank, and the two are mixed and then supplied to an L-shaped cavity body interface through a high-pressure rubber pipe to enter the flat plate nozzle.
The method comprises the steps of installing a strip sample, opening an air hammer to enable the strip sample to be in a tensile stress state, adjusting the air hammer force value to be 0.3-1.5 KN along with the thickness of the strip to offset suction force caused by the difference of air pressure inside and outside a cavity, avoiding bending of the sample, enabling the cavity to be in a working atmosphere environment protected by filling inert gas after vacuumizing, and enabling vacuumizing, inert gas filling, vacuumizing, inert gas filling and inert gas filling … … to be repeated for multiple times, so that the anti-oxidation effect is better.
The control signal QUENCH3&4 of the solenoid valve and the control signal QUENCH1&2 of the high flow QUENCH tank are programmed according to the process requirements and can be called arbitrarily in the program. In the process of cooling at constant cooling rate, the requirements of the high-temperature end and the low-temperature section on the refrigerating capacity are different, the lower the low-temperature section is, the more difficult the constant cooling rate is to be realized, the upper and the lower flat spray heads can operate in a segmented mode according to actual conditions, namely the constant cooling rate is intervened in a time-sharing mode, so that the difficult point that the high supercooling degree of the high-temperature section causes large temperature fluctuation, the refrigerating capacity of the low-temperature section is insufficient, and the constant cooling rate cannot be realized is solved, and the temperature control precision is greatly improved.
According to the requirements of laminar flow cooling and cooling control technology and heat treatment technology, when an operation program is compiled, the calling of a cooling medium is closely related to the installation of a thermal simulation cooling control system, and the following installation conditions are provided:
a. low cooling speed:
inert gas is used as a cooling medium, two cut pneumatic high-pressure hoses are respectively inserted into quick connectors of two through nuts, the other ends of the pneumatic high-pressure hoses are connected into double air outlet ends of a quick-insertion three-way connector, an air inlet end is connected with an outlet quick connector of an electromagnetic valve through the pneumatic high-pressure hoses, a high-pressure inert gas bottle is connected with an air inlet pagoda connector of the electromagnetic valve through a pressure reducing valve through a high-pressure rubber pipe, and a hose clamp locking connector is arranged.
b. High cooling speed:
the method is characterized in that a compressed air-water mixture is used as a cooling medium, two cut pneumatic high-pressure hoses are respectively inserted into quick connectors of two straight-through nuts, the other ends of the pneumatic high-pressure hoses are connected into double air outlet ends of a quick-insertion three-way connector, the air inlet ends are inserted into a high-pressure rubber pipe through the pneumatic high-pressure hoses, and the hose clamp is locked. The high-pressure rubber tube is connected with the inner joint of the cavity, and the outer joint of the cavity is connected with the high-pressure rubber tube from the high-flow quenching tank.
c. Changing the cooling speed:
the inert gas and the compressed gas-water mixture are used as cooling media at the same time, when the mounting plate is provided with a sample, the surface with the thermocouple welding spot faces downwards, the inert gas is used for cooling, the temperature fluctuation caused by the temperature measurement of water drops is reduced to the greatest extent, and the other surface of the plate strip faces upwards, and the compressed gas-water mixture is used for cooling. The two cut pneumatic high-pressure hoses are respectively inserted into the quick-connection connectors of the two through nuts, the pneumatic high-pressure hose on the lower plane spray nozzle side is connected into the electromagnetic valve, the pneumatic high-pressure hose on the upper plane spray nozzle side is inserted into the high-pressure rubber pipe, and the hose clamp is locked. The high-pressure rubber tube is connected with the inner joint of the cavity, and the outer joint of the cavity is connected with the high-pressure rubber tube from the high-flow quenching tank.
Example 2
The embodiment of the invention provides a thermal simulation cold control system and a using method thereof, wherein the thermal simulation cold control system comprises an upper flat spray head 1, a lower flat spray head 1, a ventilation straight pipe 3, a fastening through nut 7, a fixed support 9, an electromagnetic valve and cavity joint 15, a cold control electromagnetic valve 14, a pneumatic quick plug 8, a pneumatic high-pressure hose 12 and a cooling medium.
The material of the flat spray head 1 is selected from aluminum materials, and the size is as follows: the length is 130mm, the width is 70mm, the thickness is 25mm, the plate strip sample free span and the plate strip width are completely covered, the surface of the spray head is processed with spray holes 2 with the diameter of 1.5mm, the hole interval is 8mm, two side surfaces of the flat plate spray head 1 along the length direction are assembled by screws, and the ventilation straight pipe 3 is convenient to install.
The ventilation straight pipe 3 is processed to be 100mm long, two ends of the ventilation straight pipe are externally threaded, the diameter is 15.5mm, the diameter of a shoulder of the ventilation straight pipe is 20mm, a round hole (namely a pipe joint 4) with the diameter being about 15.6mm is formed in the side face of the flat plate spray head 1, the round hole is internally threaded, one end of the ventilation straight pipe 3 is fixed in the round hole through threaded connection, the other end of the ventilation straight pipe 3 is inserted into the tubular shoulder 5 and fixed together, and the threaded end forms a threaded pipe 6.
The height of the fixed support 9 is 260mm, the width is 200mm, wherein the width of the horizontal guide rail is 6mm, the length is 180mm, the size of the screw is suitable for fixing the bottom plate, and the free span centered position can be conveniently found in a sliding mode; the width of the vertical guide rail groove is 10.5mm, the height of the vertical guide rail groove is 250mm, the threads 6 at the other end of the ventilation straight pipe 3 connected with the flat plate spray head 1 are inserted into the vertical guide rail groove and fixed with one end of a fastening through nut 7 with the inner diameter of 14.2mm, and the ventilation straight pipe can freely slide on the vertical guide rail groove and is used for steplessly adjusting the relative distance between the flat plate spray head and a plate belt sample.
Two electromagnetic valves 14 are selected, one electromagnetic valve 14 is used for controlling a cooling medium to flow into the flat plate nozzle, the other electromagnetic valve 18 is used for controlling the filling of protective gas into the cavity, control signals of the electromagnetic valves 14 and 18 can be called by a program and used for realizing the automatic control operation of the invention, 17.5mm direct current 24V and 11.5W power are passed through the inlets and the outlets of the electromagnetic valves 14 and 18, copper pagoda joints are matched at the inlets of the two electromagnetic valves 14 and 18 and used for connecting the cooling medium or the protective gas, joints with the diameter of 14.5mm external threads are respectively processed at the outlet ends of the electromagnetic valves 14 and 18 and connected with the electromagnetic valve and the cavity joint, the external thread of the electromagnetic valve and the cavity joint body is 40.5mm and connected with the interface thread at the top of the cavity of the testing machine, the cavity joint is sealed and used for fixing the electromagnetic valves 14 and 18, the diameter of 14.5mm internal thread at one end is connected with the external thread of the outlets of the electromagnetic valves 14 and 18, the through hole of the internal thread of the central hole at the other end is communicated with the channels of the electromagnetic valves 14 and 18, a pneumatic quick connector of 10mm is internally connected, the electromagnetic valve 14 for controlling the cooling medium can be connected with an air pipe to form a channel of the cooling medium, and the electromagnetic valve 18 for filling the protective gas into the cavity can be kept in the existing state.
In this embodiment 2 and embodiment 1, the four solenoid valves are substantially optimized, and actually, two solenoid valves can complete the whole function, but the cooling medium needs to be connected in advance according to different cooling needs.
A pneumatic quick-plug connector 8 with the diameter of 10mm and a pneumatic high-pressure hose 12 with the outer diameter of 10mm are selected and used for connecting a fastening through nut 7 and an outlet of an electromagnetic valve 14, inert gas of a cooling medium is introduced through a pagoda joint connected to an inlet of the electromagnetic valve 14, a compressed gas-water mixture of the cooling medium is connected to an L-shaped cavity body connector 17 of a cavity through a high-pressure rubber pipe 16, the connectors are respectively provided with the pagoda joints at the inner side and the outer side of the cavity, and the inner side of the connector is connected with the pneumatic high-pressure hose 12 through the high-pressure rubber pipe 16.
A10 mm pneumatic quick-plug three-way joint is configured for the single cooling medium to be used for controlling the cooling of the steel plate strip, and the control signal of the cooling control electromagnetic valve 14 is determined to be QUENCH4, and the control signal of the inflation electromagnetic valve 18 is determined to be QUENCH3 according to the length of a control signal line.
The inert gas is high-purity nitrogen or high-purity argon with purity more than 99.99 percent in 40L bottles, the measuring range of the high/low pressure side of the gauge head of the pressure reducing valve is 25MPa \1.6MPa, and the output pressure is set to be 0.6MPa at the low pressure side; the compressed gas-water mixture is provided by a high-flow quenching tank, a gas tank and a water tank are separately controlled by a direct-current 24V signal of QUENCH1&2, the pressure of the gas tank is set to be 60psi (about 0.42 Mpa), and the number of turns of needle valves of the gas tank and the water tank is adjusted according to the specific cooling control process requirement.
The invention also provides a use method of the thermal simulation cooling control system, and the thermal simulation cooling control system comprises the following steps:
and opening the thermal simulation testing machine, detaching a coupler connecting the hydraulic shaft and the movable shaft, moving the movable shaft on the left side of the pulling/pressing component in the cavity leftwards, stopping at a position which is as close as possible to the left wall of the cavity but not touched, and moving the hydraulic shaft to keep a distance of at least 5mm from the movable shaft so as to leave a point space allowance for controlling the tension of the plate strip.
The screw of the bottom plate is detached after the cavity rear door is opened, the fixing support 9 is fixed on the bottom plate, the horizontal guide rail groove 11 slides left and right to fix the support 9 in the fixing process, the vertical guide rail groove 10 of the fixing support 9 is positioned in the middle of the pulling/pressing assembly, so that the flat sprayer 1 with the length of 130mm can be placed in the pulling/pressing assembly, and the upper flat sprayer 1 and the lower flat sprayer 1 can form full coverage on the free span interval of the plate belt and the width of the plate belt.
The upper and lower flat plate nozzles 1 are respectively connected with the ventilation straight pipe 3, are fixed on a vertical guide rail groove 10 of a fixed bracket 9 by a fastening through nut 7, and can steplessly adjust the distance between the upper and lower flat plate nozzles 1 and the steel plate strip. And screwing the pneumatic quick-connection plug 8 on the through nut 7, and cutting three pneumatic high-pressure hoses 12 with the lengths of 180mm, 180mm and 300mm respectively.
Adjusting the output pressure of the high-pressure inert gas cylinder, wherein the output of the low-pressure side of the high-pressure inert gas cylinder is not more than 1MPa for the safety of the pneumatic quick connector; the high-flow quenching tank consists of an air tank and a water tank, the respective output flows of the air tank and the water tank are controlled by adjusting needle valves of the air tank and the water tank, and the two are mixed and then flow out through a high-pressure rubber pipe to be connected with an L-shaped cavity body interface 17.
The sizes of the processed plate belt samples are as follows: the length of the plate strip is 190mm, the width of the plate strip is 45mm, the thickness of the plate strip is 0.5mm, the air hammer is opened to be in a tensile stress state, the air hammer force value is set to be 0.4KN so as to offset suction force caused by the difference of air pressure in the cavity and outside the cavity and avoid bending of the sample, the cavity adopts a working atmosphere environment protected by filling high-purity nitrogen after vacuumizing, the inflation solenoid valve 18 is used for controlling the high-purity nitrogen to enter the cavity, vacuumizing, filling inert gas … … are repeatedly carried out for multiple times, and the antioxidation effect is better.
The control signals for the cooling solenoid valve 14 and the charging solenoid valve 18 can be arbitrarily called in the program according to the process requirements. In the process of cooling at constant cooling rate, the requirements of the high-temperature end and the low-temperature section on the refrigerating capacity are different, the lower the low-temperature section is, the more difficult the constant cooling rate is to be realized, the upper and the lower flat spray heads can operate in a segmented mode according to actual conditions, namely the constant cooling rate is intervened in a time-sharing mode, so that the difficult point that the high supercooling degree of the high-temperature section causes large temperature fluctuation, the refrigerating capacity of the low-temperature section is insufficient, and the constant cooling rate cannot be realized is solved, and the temperature control precision is greatly improved.
According to the requirements of laminar flow cooling and cooling control technology and heat treatment technology, when an operation program is compiled, the calling of a cooling medium is closely related to the installation of a thermal simulation cooling control system, and the following installation conditions are provided:
a. low cooling speed:
high-purity argon is used as a cooling medium, two pneumatic high-pressure hoses 12 with the length of 180mm to be cut are respectively inserted into pneumatic quick connectors 8 of two fastening through nuts 7, the other ends of the pneumatic high-pressure hoses 12 are connected into double air outlet ends of pneumatic quick-insertion three-way connectors 13, the air inlet ends of the pneumatic quick-insertion three-way connectors 13 are connected with the quick connectors 8 on a cavity connector 15 through the pneumatic high-pressure hoses 12 and electromagnetic valves of a cooling control electromagnetic valve 14, the high-purity argon is connected with an air inlet pagoda connector of the cooling control electromagnetic valve 14 through a high-pressure rubber pipe through a pressure reducing valve, and a throat hoop locking connector is arranged.
The process requirements are as follows: the operation program is programmed by using TAB of a Gleeble3800 thermal simulation system, the temperature is increased to 1050 ℃ from room temperature at 10 ℃/s, the temperature is kept for 5 seconds, and then the temperature is decreased to 100 ℃ at a cooling speed of 20 ℃/s.
The use conditions of the cooling control system are as follows: the distance between the spray head and the plate strip is 30mm, high-purity argon is used as a cooling source, and the output pressure of the reducing valve is set to be 0.25 MPa.
The test results are shown in fig. 5: the cooling speed is 19.04 ℃/s in the whole process from 1050 ℃ to 100 ℃, the error of the required 20 ℃/s is only 4.8 percent, and the cooling linearity is very ideal.
b. High cooling speed:
the method is characterized in that a compressed air-water mixture is used as a cooling medium, two pneumatic high-pressure hoses 12 with the length of 180mm are respectively inserted into pneumatic quick-insertion connectors 8 of two fastening through nuts 7, the other ends of the pneumatic high-pressure hoses 12 are connected into double air outlet ends of a pneumatic quick-insertion three-way joint 13, a pneumatic high-pressure hose 16 is inserted into a high-pressure rubber pipe at the air inlet end of the pneumatic quick-insertion three-way joint 13, and a hose clamp is locked. The high-pressure rubber pipe 16 is connected with a pagoda joint on the inner side of the cavity of the L-shaped cavity body interface 17, the pagoda joint on the outer side of the cavity of the L-shaped cavity body interface 17 is connected with the high-pressure rubber pipe from the high-flow quenching tank, and the throat hoop is locked.
The process requirements are as follows: the operation program is programmed by using TAB of a Gleeble3800 thermal simulation system, the temperature is increased to 1050 ℃ from room temperature at 10 ℃/s, the temperature is kept for 5 seconds, and then the temperature is decreased to 50 ℃ at the cooling speed of 100 ℃/s.
The use conditions of the cooling control system are as follows: the distance between the spray head and the plate belt is 25mm, a compressed gas-water mixture is used as a cooling source, the pressure of the gas storage tank is adjusted to be 45psi (about 0.31 MPa), and the needle valves of the gas storage tank and the water tank respectively rotate for 0.3 circle and 0.1 circle for the cooling source of the upper flat plate spray head and the lower flat plate spray head.
The test results are shown in fig. 6: the whole cooling speed from 1050 ℃ to 50 ℃ is 106.34 ℃/s, the error from the required 100 ℃/s is only 6.34%, and the linearity of the whole cooling is very perfect.
Changing the cooling speed:
the high-purity argon and the compressed gas-water mixture are used as cooling media at the same time, when the mounting plate is provided with a sample, the surface with the thermocouple welding spot faces downwards, the high-purity argon is used for cooling, temperature fluctuation caused by temperature measurement by water drops is reduced as much as possible, the other surface of the plate strip faces upwards, and the compressed gas-water mixture is used for cooling. Two cut pneumatic high-pressure hoses 12 are respectively inserted into pneumatic quick-inserting connectors 8 of two fastening through nuts 7, the pneumatic high-pressure hose 12 on the lower plane spray nozzle side is connected into a cooling control electromagnetic valve 14, the pneumatic high-pressure hose 12 on the upper plane spray nozzle side is inserted into a high-pressure rubber pipe 16, a hose clamp is locked, the high-pressure rubber pipe 16 is connected with a pagoda joint in a cavity of an L-shaped cavity body interface 17, and the pagoda joint in the cavity is connected with the high-pressure rubber pipe from a high-flow quenching tank.
The process requirements are as follows: a TaB programming running program of a Gleeble3800 thermal simulation system is used for raising the temperature from room temperature to 1050 ℃ at a speed of 10 ℃/s, preserving the temperature for 5 seconds, firstly lowering the temperature to 650 ℃ at a cooling speed of 45 ℃/s, and then lowering the temperature to 50 ℃ at a speed of 150 ℃/s.
The use conditions of the cooling control system are as follows: the distance between the lower flat plate spray head 1 and the plate belt is 25mm (argon cooling), the distance between the upper flat plate spray head 1 and the plate belt is 25mm (compressed air-water mixed cooling), high-purity argon is used as a lower nozzle cooling source, and the output pressure of a pressure reducing valve is set to be 0.65 MPa; the pressure of the air storage tank is adjusted to 60psi (about 0.42 MPa), and the needle valves of the air storage tank and the water tank rotate for 0.5 circle and 0.2 circle respectively for the cooling source of the upper flat spray head 1.
After the plate strip is kept at 1050 ℃ for 5 seconds, the QUENCH valve QUENCH4 is started to be opened firstly, the lower flat plate spray head starts to work and QUENCH high-purity argon, when the temperature of the plate strip is reduced to 650 ℃, the QUENCH valves QUENCH1 and 2 are started to be opened, the upper flat plate spray head starts to work and QUENCH the compressed air-water mixture, and therefore, at the stage of 650-50 ℃, the upper flat plate spray head and the lower flat plate spray head cool the plate strip simultaneously. Therefore, the difficulty that the temperature fluctuation is large due to high supercooling degree of the high-temperature section and the constant cooling speed cannot be realized due to insufficient refrigerating capacity of the low-temperature section can be solved, the temperature control precision is greatly improved, and the control signal commands are called to automatically run in the TAB program.
The test results are shown in fig. 7: the cooling speed is 43.1 ℃/s in the whole process from 1050 ℃ to 650 ℃, and the error of the set speed is 4.2 percent from 45 ℃/s; the whole course cooling speed from 650 ℃ to 50 ℃ is 140.5 ℃/s, the error of the whole course cooling speed from 150 ℃/s is 6.3 percent, the whole course actual cooling linearity is very consistent with the process requirement, and the quenching matching of the upper flat plate nozzle and the lower flat plate nozzle is very good.
The foregoing detailed description of the invention has been presented for purposes of illustration and description of the principles of the invention and is not intended to be limiting, since the invention will be defined by the appended claims and equivalents thereof. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. A thermal simulation cooling control system is characterized in that: the cooling device comprises an upper cooling spray head, a lower cooling spray head, two ventilating connecting pipes, a fixed support (9), a vertical adjusting device, a horizontal adjusting device and two cooling media, wherein the upper cooling spray head is fixed on the vertical adjusting device through a first ventilating branch pipe, the vertical adjusting device is installed on the fixed support (9), the horizontal adjusting device is installed on the ground, the fixed support (9) is fixed on the horizontal adjusting device, and the upper cooling spray head and the lower cooling spray head are respectively connected to the two cooling media through a pipeline and a valve.
2. A thermal analog cooling control system according to claim 1, wherein: the upper cooling spray head and the lower cooling spray head are both flat spray heads (1), wherein the lower part of the upper flat spray head is provided with a plurality of spray holes (2), and the upper part of the lower flat spray head is provided with a plurality of spray holes (2).
3. A thermal analog cooling control system according to claim 2, wherein: the vertical adjusting device comprises a vertical guide rail groove (10) on a fixed support (9) and two sliding shoulders (5) matched with the vertical guide rail groove (10), wherein the first sliding shoulder is fixedly connected with the first ventilation branch pipe, and the second sliding shoulder is fixedly connected with the second ventilation branch pipe.
4. A thermal analog cooling control system according to claim 3, wherein: the horizontal adjusting device comprises a horizontal guide rail groove fixed on the ground, a cuboid plate with a horizontal guide rail (11), and positioning holes located on the ground and the cuboid plate, wherein the horizontal guide rail (11) is a raised cuboid strip, the horizontal guide rail groove is a strip-shaped groove body, the horizontal guide rail (11) is embedded in the horizontal guide rail groove and can move in the linear direction, the positioning holes on the ground are a plurality of positioning holes arranged in a straight line, the positioning holes on the cuboid plate are 2-4 positioning holes arranged in a straight line, and when the horizontal adjusting device needs to be fixed, a stud penetrates through the positioning holes on the cuboid plate and the positioning holes on the ground to be fixed.
5. A thermal analog cooling control system according to claim 4, wherein: the first ventilation branch pipe is fixedly connected with the upper cooling sprayer through the first pipe joint, the second ventilation branch pipe is fixedly connected with the lower cooling sprayer through the second pipe joint, the upper cooling sprayer is connected with the first interface of the first tee through the first pipe joint, the first ventilation branch pipe, the first sliding shoulder and the first pipeline, the second interface of the first tee is connected with the first cooling medium through the first valve, the third interface of the first tee is connected with the second cooling medium through the second valve, the lower cooling sprayer is connected with the first interface of the second tee through the second pipe joint, the second ventilation branch pipe, the second sliding shoulder and the second pipeline, the second interface of the second tee is connected with the first cooling medium through the third valve, and the third interface of the second tee is connected with the second cooling medium through the fourth valve.
6. A thermal analog cooling control system according to claim 1, wherein: the first cooling medium is a compressed gas-water mixture and the second cooling medium is an inert gas.
7. A method of using the thermal analog cooling control system of claim 1, wherein the steps are performed as follows
Firstly, detaching a coupler of a thermal simulation testing machine connected with a hydraulic shaft and a movable shaft, moving a left movable shaft of a pulling/pressing component in a cavity of the thermal simulation testing machine leftwards, wherein the distance between the left movable shaft of the pulling/pressing component and the left wall of the cavity is 1-5mm, and moving the hydraulic shaft, wherein the distance between the hydraulic shaft and the movable shaft is 5-10 mm;
opening a rear door of the cavity, sliding the fixed support (9) left and right, and enabling the fixed support (9) to be in the middle position of the pulling/pressing assembly, so that the upper and lower cooling nozzles form full coverage on the free span interval of the plate strip to be processed and the width of the plate strip;
adjusting the heights of the two ventilation connecting pipes through a vertical adjusting device, so that the upper and lower cooling spray heads and the strip to be processed are located at the most appropriate positions, mounting the strip to be processed, opening an air hammer to enable the air hammer to be in a tensile stress state, wherein the tensile stress is between 0.3KN and 1.5KN, offsetting the suction force caused by the difference of air pressure inside and outside a cavity, avoiding the strip to be processed from bending, and filling inert gas into the cavity to protect the working atmosphere after vacuumizing; and fifthly, adjusting the opening and closing of the first valve, the second valve, the third valve and the fourth valve according to the requirements of the laminar cooling controlled cooling process and the heat treatment process, thereby realizing low cooling speed cooling, high cooling speed cooling and variable cooling speed cooling.
8. The method of using a thermal analog controlled cooling system of claim 7, wherein: the low cooling rate cooling means that the first valve, the second valve, the third valve and the fourth valve are adjusted to enable the upper cooling spray nozzle and the lower cooling spray nozzle to be communicated with a second cooling medium, namely inert gas, the high cooling rate cooling means that the first valve, the second valve, the third valve and the fourth valve are adjusted to enable the upper cooling spray nozzle and the lower cooling spray nozzle to be communicated with the second cooling medium, namely compressed gas-water mixture, and the variable cooling means that the first valve, the second valve, the third valve and the fourth valve are adjusted to enable the upper cooling spray nozzle to be communicated with the second cooling medium, namely inert gas, and the lower cooling spray nozzle to be communicated with the second cooling medium, namely compressed gas-water mixture.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114959196A (en) * | 2022-05-27 | 2022-08-30 | 鞍钢股份有限公司 | Sample cooling device and cooling method of continuous annealing experiment machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201021918Y (en) * | 2007-02-12 | 2008-02-13 | 上海梅山钢铁股份有限公司 | A sampling emergent cooling device for thermal simulation tester |
| CN201527376U (en) * | 2009-06-26 | 2010-07-14 | 上海大学 | Air-blowing cooling device |
| US20100307646A1 (en) * | 2008-02-27 | 2010-12-09 | Seiji Sugiyama | Cooling system and cooling method of rolling steel |
| CN201756574U (en) * | 2010-06-07 | 2011-03-09 | 鞍钢股份有限公司 | Test sample cooling device of thermal simulation testing machine plate and belt annealing system |
| CN201908110U (en) * | 2010-12-09 | 2011-07-27 | 中国科学院金属研究所 | Clamping apparatus used for cooling and quenching of thermal simulation sample |
| CN203635639U (en) * | 2013-11-07 | 2014-06-11 | 杨海西 | Steel plate cooling device |
| CN106435147A (en) * | 2016-08-26 | 2017-02-22 | 日照海恩锯业有限公司 | Air quenching method of circular saw web |
| CN108097726A (en) * | 2016-11-25 | 2018-06-01 | 上海梅山钢铁股份有限公司 | A kind of test method for simulating hot rolled steel plate roller repairing technique |
| CN209020960U (en) * | 2018-11-08 | 2019-06-25 | 衢州学院 | The auxiliary cooling device suitable for hot rolled sheet based on hot modeling test machine |
-
2021
- 2021-12-10 CN CN202111503404.9A patent/CN114226470A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201021918Y (en) * | 2007-02-12 | 2008-02-13 | 上海梅山钢铁股份有限公司 | A sampling emergent cooling device for thermal simulation tester |
| US20100307646A1 (en) * | 2008-02-27 | 2010-12-09 | Seiji Sugiyama | Cooling system and cooling method of rolling steel |
| CN201527376U (en) * | 2009-06-26 | 2010-07-14 | 上海大学 | Air-blowing cooling device |
| CN201756574U (en) * | 2010-06-07 | 2011-03-09 | 鞍钢股份有限公司 | Test sample cooling device of thermal simulation testing machine plate and belt annealing system |
| CN201908110U (en) * | 2010-12-09 | 2011-07-27 | 中国科学院金属研究所 | Clamping apparatus used for cooling and quenching of thermal simulation sample |
| CN203635639U (en) * | 2013-11-07 | 2014-06-11 | 杨海西 | Steel plate cooling device |
| CN106435147A (en) * | 2016-08-26 | 2017-02-22 | 日照海恩锯业有限公司 | Air quenching method of circular saw web |
| CN108097726A (en) * | 2016-11-25 | 2018-06-01 | 上海梅山钢铁股份有限公司 | A kind of test method for simulating hot rolled steel plate roller repairing technique |
| CN209020960U (en) * | 2018-11-08 | 2019-06-25 | 衢州学院 | The auxiliary cooling device suitable for hot rolled sheet based on hot modeling test machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114959196A (en) * | 2022-05-27 | 2022-08-30 | 鞍钢股份有限公司 | Sample cooling device and cooling method of continuous annealing experiment machine |
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