CN117488030B - Ductile iron isothermal quenching cooling device - Google Patents
Ductile iron isothermal quenching cooling device Download PDFInfo
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- CN117488030B CN117488030B CN202311769099.7A CN202311769099A CN117488030B CN 117488030 B CN117488030 B CN 117488030B CN 202311769099 A CN202311769099 A CN 202311769099A CN 117488030 B CN117488030 B CN 117488030B
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- 238000001816 cooling Methods 0.000 title claims abstract description 179
- 238000010791 quenching Methods 0.000 title claims abstract description 37
- 230000000171 quenching effect Effects 0.000 title claims abstract description 37
- 229910001141 Ductile iron Inorganic materials 0.000 title claims abstract description 19
- 239000012530 fluid Substances 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 150000003839 salts Chemical class 0.000 claims abstract description 19
- 238000009826 distribution Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 43
- 238000005452 bending Methods 0.000 claims description 32
- 239000011550 stock solution Substances 0.000 claims description 29
- 239000011324 bead Substances 0.000 claims description 24
- 239000002826 coolant Substances 0.000 claims description 21
- 238000005279 austempering Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000001502 supplementing effect Effects 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000005253 cladding Methods 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 210000005056 cell body Anatomy 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000005192 partition Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002637 fluid replacement therapy Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 235000015073 liquid stocks Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
- C21D1/64—Quenching devices for bath quenching with circulating liquids
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D5/00—Heat treatments of cast-iron
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The invention provides an isothermal quenching cooling device for spheroidal graphite cast iron, and belongs to the field of heat treatment. In particular to a cooling device for cooling quenching medium after heat treatment of ductile iron. Comprising the following steps: salt bath medium circulation system and arrange the cooling integrated pipe on the circulation system in, the cooling integrated pipe is including the integration be provided with multiunit cooling tube, and the cooling tube corresponds to be provided with first fluid passageway, second fluid passageway, first fluid passageway cladding is arranged in the second fluid passageway outside to form the complex cooling, the cooling integrated pipe is provided with the stoste and leads into the passageway, and stoste leads into passageway one end and the corresponding intercommunication of liquid increasing pipe group, and the other end and quenching inslot intercommunication, through leading into the quenching inslot with the flow distribution of stoste salt bath medium, cooperation core water-cooling, and the leading-in of low temperature stoste mixes, carries out quick cooling.
Description
Technical Field
The invention provides an isothermal quenching cooling device for spheroidal graphite cast iron, and belongs to the field of heat treatment. In particular to a cooling device for cooling quenching medium after heat treatment of ductile iron.
Background
At present, the quenching of the spheroidal graphite cast iron is carried out by adopting a salt bath, in order to further control the internal quenching temperature, a salt bath medium is required to be subjected to cooling circulation, the cooling mode of the existing cooling circulation structure is single, after the treatment is finished, the temperature is mostly reduced by natural cooling, the salt bath temperature is about 240 ℃, the whole cooling efficiency is low, rapid cooling cannot be formed, and in addition, the pollution to the environment is caused by the evaporation of liquid in the interior.
Publication No. CN1626684A discloses a method and a device for composite cooling of an isothermal quenching tank medium, comprising an isothermal tank, a water jacket, a water inlet and a water outlet, wherein the lower part of the isothermal tank is communicated with the lower part of a graphite sealing tank by a pipeline, the upper part of the graphite sealing tank is communicated with the upper part of the isothermal tank by a pipeline, an air pump is arranged on the pipeline at the lower opening of the graphite sealing tank, the cooling mode of the medium in the structure is single, the cooling arrangement cannot be formed for a core structure, and the introduction and mixing of quenching medium are lacked.
Publication number CN217418754U discloses an isothermal quenching salt bath cooling agitating unit, including the cell body, the cavity has been seted up in the cell body, cell body one side is connected with the base that is used for supporting the cell body, be provided with stirring subassembly in the cell body, be provided with cooling module in the stirring subassembly, above-mentioned technical scheme cools off through stirring, and is whole inefficiency, and easily turns over the sediment formation of bottom and stir, influences the clean state of medium.
Publication number CN218642776U discloses an austempering device, comprising an austempering tank, a pressing device and a temperature control assembly, wherein the temperature control assembly is arranged at the lower end of the austempering tank, and two pressing devices are arranged at the upper end of the austempering tank; the isothermal quenching tank is provided with an inlet flange, and the other end of the isothermal quenching tank is provided with an outlet channel. The pressing device comprises a horizontal guide rail arranged on the isothermal quenching tank and a bracket arranged on the horizontal guide rail, wherein an adjusting screw is arranged on the bracket, an arc-shaped lower pressing plate is arranged at the lower end of the adjusting screw, and the stirring action is adopted by the structure, so that the cooling effect of combining multiple groups of cooling modes is lacked.
Disclosure of Invention
The invention provides an isothermal quenching cooling device for spheroidal graphite cast iron, which is cooled by double-channel convection and is used for cooling a treated high-temperature salt bath medium by supplementing stock solution into a quenching tank. Simple structure and convenient use.
The invention discloses a spheroidal graphite cast iron austempering cooling device which is realized in such a way that the spheroidal graphite cast iron austempering cooling device comprises: the cooling integrated pipe comprises a plurality of groups of cooling pipes which are integrated, wherein the cooling pipes are correspondingly provided with a first fluid channel and a second fluid channel, and the first fluid channel is coated on the outer side of the second fluid channel to form composite cooling;
wherein, circulation system is including being used for the transmission pipe of medium way, arranging the pump body on the transmission pipe to and the stoste case of cooperation cooling integrated tube setting, water-cooling component, be provided with the increase liquid nest of tubes in the middle of stoste case and the cooling integrated tube
The water cooling assembly is provided with a first cooling medium pipe and a second cooling medium pipe which correspond to the first fluid channel and the second fluid channel respectively;
further, the cooling integrated pipe is provided with a stock solution guide-in channel, one end of the stock solution guide-in channel is correspondingly communicated with the liquid increasing pipe group, and the other end of the stock solution guide-in channel is communicated with the quenching tank.
The cooling integrated pipe comprises a plurality of groups of cooling pipes which are arranged in parallel, and pipeline assemblies are correspondingly arranged at two ends of the cooling integrated pipe so as to form salt bath medium circulation through the communication of the first cooling medium pipe and the quenching tank;
the cooling pipe comprises a cooling component for conveying salt bath media and a frame structure for fixing the cooling component, and one side of the cooling component is provided with a liquid supplementing component;
furthermore, two groups of cooling channels are arranged in the cooling assembly, the two groups of cooling channels are correspondingly wrapped, and the corresponding medium flow directions are opposite.
The cooling assembly comprises a first cooling pipe, connecting ports are correspondingly arranged at two ends of the first cooling pipe, a second cooling pipe is arranged in the first cooling pipe, the first cooling pipe extends out of two ends of the second cooling pipe, and the end part of the second cooling pipe is arranged with the first cooling pipe in a sealing way;
the connecting port arranged at the end part of the first cooling pipe comprises a connecting nozzle and a fastening nut for fastening the connecting nozzle, the connecting nozzle penetrates through the first cooling pipe, and a hole groove communicated with the first cooling pipe is formed in the side wall of the connecting nozzle;
the first cooling pipe main body is a pipe main body, the pipe main body is of a flat pipe structure, a window penetrating through the thickness of the flat pipe is arranged in the middle of the pipe main body, and the pipe main body is divided into two equal-section channels by the window.
The second cooling pipe is in a corrugated arrangement, the middle part of the second cooling pipe is a corrugated pipe, the corrugated pipe is in a hollow structure, the end part of the corrugated pipe is provided with a connecting terminal, the corrugated pipe is in sealing connection with the connecting terminal, the connecting terminal is a shell provided with a connecting sleeve, and the connecting sleeve is correspondingly connected with the second cooling medium pipe;
wherein the maximum height of the corrugated pipe is one third of the height of the inner section of the pipe main body, the pipe main body is made of copper, and the wall thickness is 1.5mm-2mm.
The liquid supplementing assembly comprises a fixing plate, wherein the fixing plate comprises a flat section at the bottom and a corrugated section arranged above the flat section, and the cooling assembly is arranged in the corrugated section and is parallel to the flat section;
the fixing plate comprises a bottom sealing plate and an upper bending plate, the bottom sealing plate and the upper bending plate are of an integrated structure, the upper bending plate is arranged above the bottom sealing plate and is arranged in parallel, the upper bending plate is of a corrugated structure formed by bending a main body material, the cooling assembly correspondingly penetrates through the upper bending plate and is arranged in parallel with the bottom sealing plate, a channel is reserved between the bottom sealing plate and the upper bending plate at the middle position of the height direction of the upper bending plate of the cooling assembly, and the partition plate is arranged on the bottom sealing plate and divides the channel into an upper part and a lower part;
wherein, the bottom of the bottom sealing plate is provided with a liquid inlet which is connected with the liquid increasing pipe group through a stock solution box so as to introduce stock solution.
Further, the parting bead cross section is H type, and with end seal board sealing connection, end seal board and parting bead tip are provided with the tip sealing plug, and the parting bead tip is provided with the reflux groove to form fluidic direction roundabout, be provided with multiunit mounting hole on the parting bead, be provided with multiunit negative pressure pipe in the middle of last bending plate and the parting bead, negative pressure pipe will go up bending plate outside and parting bead downside intercommunication, and the negative pressure pipe is the matrix distribution, and the cross section is the diamond.
Preferably, the negative pressure pipe is composed of a plurality of pipe bodies, the pipe bodies are arranged in an equiangular cross mode, and the end parts of the negative pressure pipe are correspondingly communicated with the upper bending plate and the parting bead.
Preferably, the fixing plate is made of aluminum alloy material, and the surface of the fixing plate is provided with an anti-corrosion coating;
further, the surface of the fixing plate is provided with a plurality of groups of heat dissipation grooves.
According to the ductile iron isothermal quenching cooling device, the stock solution salt bath medium is led into the quenching tank in a split manner to form multi-layer leading-in, so that the leading-in mixing time of the stock solution is reduced, the concentration uniformity of each part is improved, and the rapid cooling is performed by matching with core water cooling and low-temperature stock solution leading-in mixing.
Drawings
FIG. 1 is a schematic diagram of a cooling system according to the present invention.
Fig. 2 is a perspective view of a cooling module of the austempering cooling device for ductile cast iron according to the present invention.
FIG. 3 is a schematic view of a cooling module according to the present invention.
FIG. 4 is a schematic view of a salt bath tube of the cooling module of the present invention.
Fig. 5 is a perspective exploded view of the cooling module of the present invention.
Fig. 6 is a perspective exploded view of the fixing plate and the partition plate of the present invention.
Fig. 7 is a top view of the divider plate of the present invention.
FIG. 8 is a schematic cross-sectional view of a divider plate of the present invention.
Fig. 9 is a schematic fluid diagram of the present invention.
Fig. 10 is a perspective view of a second flow guiding tube according to an embodiment of the present invention.
In the accompanying drawings:
1. a cooling assembly; 2. a fluid replacement assembly; 3. cooling the integrated tube; 4. a stock solution tank; 5. a liquid increasing pipe group; 6. a first cooling medium pipe; 7. a quenching tank; 8. a pump body; 9. a second cooling medium pipe; 11. a second cooling tube; 12. a first cooling tube; 21. a fixing plate; 22. a partition plate; 111. a bellows; 112. a connection terminal; 121. a tube body; 122. a connecting nozzle; 123. fastening a screw cap; 211. a bottom sealing plate; 212. an upper bending plate; 213. a negative pressure pipe; 221. a parting bead; 222. an end sealing plug; 223. a mounting hole; 224. and a reflux groove.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The invention discloses a spheroidal graphite cast iron austempering cooling device which is realized in such a way that the spheroidal graphite cast iron austempering cooling device comprises: the quenching device comprises a quenching tank 7, a salt bath medium circulating system correspondingly arranged in the quenching tank 7, and a cooling integrated pipe 3 arranged on the circulating system, wherein the cooling integrated pipe 3 comprises a plurality of groups of cooling pipes which are integrally arranged, the cooling pipes are correspondingly provided with a first fluid channel and a second fluid channel, and the first fluid channel is coated on the outer side of the second fluid channel to form composite cooling;
the circulating system comprises a transmission pipe for medium passage, a pump body 8 arranged on the transmission pipe, a stock solution tank 4 and a water cooling component which are matched with the cooling integrated pipe 3, and a liquid increasing pipe group 5 is arranged between the stock solution tank 4 and the cooling integrated pipe 3;
the water cooling assembly is provided with a first cooling medium pipe 6 and a second cooling medium pipe 9 which correspond to the first fluid channel and the second fluid channel respectively;
further, the cooling integrated pipe 3 is provided with a stock solution introducing channel, one end of the stock solution introducing channel is correspondingly communicated with the liquid increasing pipe group 5, and the other end of the stock solution introducing channel is communicated with the quenching tank 7.
The fluid media with different heat conductivity coefficients are correspondingly introduced into the first fluid channel and the second fluid channel, corresponding cooling transmission is performed in the cooling assembly 1 through convection, rapid cooling is performed in the cooling assembly, meanwhile, the concentration of salt bath in the quenching tank 7 is measured, the amount of the added stock solution is determined, the stock solution is introduced into the quenching tank 7 by matching with the liquid adding pipe group 5, and the temperature of the medium in the quenching tank 7 is reduced after heat treatment through low-temperature collection of the stock solution and heat exchange of the cooling medium.
In one embodiment, the cooling integrated pipe 3 comprises a plurality of groups of cooling pipes which are arranged in parallel, and two ends of the cooling integrated pipe are correspondingly provided with pipeline assemblies so as to be communicated with the quenching tank 7 through the first cooling medium pipe 6 to form a salt bath medium circulation;
the cooling pipe comprises a cooling component 1 for conveying salt bath media and a frame structure for fixing the cooling component 1, and a liquid supplementing component 2 is arranged on one side of the cooling component 1;
further, two sets of cooling channels are arranged in the cooling component 1, the two sets of cooling channels are correspondingly wrapped and arranged, the flowing directions of corresponding media are opposite to each other so as to conduct heat between different media, the heat transfer of multi-layer gradients is formed through different heat conduction coefficients, preferably, the heat conduction coefficient of the inner cooling medium is larger than that of the outer cooling medium, the flow velocity of the inner cooling medium is larger than that of the outer cooling medium, and the corresponding heat exchange and heat dissipation are carried out through large flow of the inner cooling medium.
In one embodiment, the cooling assembly 1 includes a first cooling tube 12, two ends of the first cooling tube 12 are correspondingly provided with connection ports, a second cooling tube 11 is disposed in the first cooling tube 12, two ends of the second cooling tube extend out of the first cooling tube 12, and a sealing arrangement is provided between the end of the second cooling tube 11 and the first cooling tube 12;
the connecting port arranged at the end part of the first cooling pipe 12 comprises a connecting nozzle 122 and a fastening nut 123 for fastening the connecting nozzle 122, the connecting nozzle 122 penetrates through the first cooling pipe 12, and a hole groove communicated with the first cooling pipe 12 is arranged on the side wall of the connecting nozzle 122;
the main body of the first cooling pipe 12 is a pipe main body 121, the pipe main body 121 is of a flat pipe structure, and a window penetrating through the thickness of the flat pipe is arranged in the middle of the pipe main body 121 and divides the pipe main body 121 into two equal-section channels.
In one embodiment, the second cooling tube 11 is provided with a corrugated structure, the middle part is a corrugated tube 111, the corrugated tube 111 is of a hollow structure, a connecting terminal 112 is arranged at the end part of the corrugated tube 111, the corrugated tube 111 is in sealing connection with the connecting terminal 112, the connecting terminal 112 is a shell provided with a connecting sleeve, and the connecting sleeve is correspondingly connected with the second cooling medium tube 9;
the maximum height of the corrugated tube 111 is one third of the height of the inner section of the tube main body 121, the tube main body 121 is made of copper, and the wall thickness is 1.5mm-2mm, so that heat exchange is rapidly performed in the outer cooling channel, and the surface area is increased through a flat structure, so that rapid cooling is performed.
In one embodiment, the fluid infusion assembly 2 comprises a fixed plate 21, the fixed plate 21 comprises a flat section at the bottom and a corrugated section arranged above the flat section, and the cooling assembly 1 is arranged in the corrugated section and the flat section is arranged in parallel;
the fixing plate 21 comprises a bottom sealing plate 211 and an upper bending plate 212, the bottom sealing plate 211 and the upper bending plate 212 are of an integrated structure, the upper bending plate 212 is arranged above the bottom sealing plate 211 and is arranged in parallel, the upper bending plate 212 is of a corrugated structure formed by bending a main body material, the cooling component 1 correspondingly penetrates through the upper bending plate 212 and is arranged in parallel with the bottom sealing plate 211, a channel is reserved between the bottom sealing plate 211 and the upper bending plate 212 at the height center of the upper bending plate 212 of the cooling component 1, and the partition plate 22 is arranged on the bottom sealing plate 211 and divides the channel into an upper part and a lower part;
wherein, the bottom of the bottom sealing plate 211 is provided with a liquid inlet, and is connected with the liquid increasing pipe group 5 through the liquid tank 4 so as to introduce the liquid stock.
In one embodiment, the cross section of the parting bead 221 is H-shaped and is in sealing connection with the bottom sealing plate 211, end sealing plugs 222 are arranged at the ends of the bottom sealing plate 211 and the parting bead 221, backflow grooves 224 are arranged at the ends of the parting bead 221 to form a guiding roundabout of fluid, multiple groups of mounting holes 223 are formed in the parting bead 221, multiple groups of negative pressure pipes 213 are arranged between the upper bending plate 212 and the parting bead 221, the negative pressure pipes 213 are used for communicating the outer side of the upper bending plate 212 with the lower side of the parting bead 221, the negative pressure pipes 213 are distributed in a matrix, and the cross section is diamond.
In one embodiment, the negative pressure tube 213 is formed by a plurality of tubes, the tubes are arranged at equal angles in a crossing manner, and the ends of the tubes are correspondingly communicated with the upper bending plate 212 and the parting bead 221.
In one embodiment, the fixing plate 21 is made of aluminum alloy, and the surface of the fixing plate is provided with an anti-corrosion coating; further, the surface of the fixing plate 21 is provided with a plurality of sets of heat dissipation grooves.
The stock solution is led out through the introduction of the stock solution and matched with the negative pressure pipe 213, jet flow is formed on one side of the cooling component 1, meanwhile, the stock solution is led in through the parting bead 221, flows back through the reflux groove 224 and contacts with the outer wall of the negative pressure pipe 213 to form secondary heat exchange, the second cooling medium pipe 9 is correspondingly added into the two ends of the second cooling pipe 11, the second cooling pipe 11 performs heat exchange in the first cooling pipe 12, and the cooling efficiency of the salt bath medium is improved through the introduction and cooling of the stock solution on the outer side, so that the aim of cooling the quenching tank 7 after treatment is achieved.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (5)
1. An austempering cooling device for spheroidal graphite cast iron, comprising: the quenching device comprises a quenching tank (7), a salt bath medium circulating system correspondingly arranged in the quenching tank (7) and a cooling integrated pipe (3) arranged on the circulating system, wherein the cooling integrated pipe (3) comprises a plurality of groups of cooling pipes which are integrally arranged, the cooling pipes are correspondingly provided with a first fluid channel and a second fluid channel, and the first fluid channel is coated on the outer side of the second fluid channel to form composite cooling;
the circulating system comprises a transmission pipe for medium passage, a pump body (8) arranged on the transmission pipe, a stock solution tank (4) matched with the cooling integrated pipe (3) and a water cooling assembly, wherein a liquid increasing pipe group (5) is arranged between the stock solution tank (4) and the cooling integrated pipe (3);
the water cooling assembly is provided with a first cooling medium pipe (6) and a second cooling medium pipe (9) which correspond to the first fluid channel and the second fluid channel respectively;
the cooling integrated pipe (3) is provided with a stock solution guide channel, one end of the stock solution guide channel is correspondingly communicated with the liquid increasing pipe group, and the other end of the stock solution guide channel is communicated with the quenching tank;
the cooling integrated pipe (3) comprises a plurality of groups of cooling pipes which are arranged in parallel, and pipeline assemblies are correspondingly arranged at two ends of the cooling integrated pipe, so that the cooling integrated pipe is communicated with the quenching tank (7) through a first cooling medium pipe (6) to form salt bath medium circulation;
the cooling pipe comprises a cooling component (1) for conveying salt bath media and a frame structure for fixing the cooling component (1), and one side of the cooling component (1) is provided with a fluid supplementing component (2);
two groups of cooling channels are arranged in the cooling assembly (1), the two groups of cooling channels are correspondingly wrapped, and the corresponding medium flow directions are opposite;
the cooling assembly (1) comprises a first cooling pipe (12), connecting ports are correspondingly formed in two ends of the first cooling pipe (12), a second cooling pipe (11) is arranged in the first cooling pipe (12), the first cooling pipe (12) extends out of two ends of the second cooling pipe (11), and a sealing arrangement is formed between the end part of the second cooling pipe (11) and the first cooling pipe (12);
the connecting port arranged at the end part of the first cooling pipe (12) comprises a connecting nozzle (122) and a fastening nut 123 for fastening the connecting nozzle (122), the connecting nozzle (122) penetrates through the first cooling pipe (12), and a hole groove communicated with the first cooling pipe (12) is formed in the side wall of the connecting nozzle (122);
the first cooling pipe (12) is characterized in that the main body of the first cooling pipe (12) is a pipe main body (121), the pipe main body (121) is of a flat pipe structure, a window penetrating through the thickness of the flat pipe is arranged in the middle of the pipe main body, and the pipe main body (121) is divided into two equal-section channels by the window;
the second cooling pipe (11) is arranged in a corrugated manner, the middle part of the second cooling pipe is provided with a corrugated pipe (111), the corrugated pipe (111) is of a hollow structure, the end part of the corrugated pipe (111) is provided with a connecting terminal (112), the corrugated pipe (111) is in sealing connection with the connecting terminal (112), the connecting terminal (112) is a shell provided with a connecting sleeve, and the connecting sleeve is correspondingly connected with the second cooling medium pipe (9);
wherein the maximum height of the corrugated pipe (111) is one third of the height of the inner section of the pipe main body (121), the pipe main body (121) is made of copper, and the wall thickness is 1.5mm-2mm.
2. A ductile iron austempering cooling apparatus as set forth in claim 1 wherein: the liquid supplementing assembly (2) comprises a fixing plate (21), wherein the fixing plate (21) comprises a flat section at the bottom and a corrugated section arranged above the flat section, and the cooling assembly (1) is arranged in the corrugated section and is parallel to the flat section;
the fixing plate (21) comprises a bottom sealing plate (211) and an upper bending plate (212), wherein the bottom sealing plate (211) and the upper bending plate (212) are of an integrated structure, the upper bending plate (212) is arranged above the bottom sealing plate (211) and is arranged in parallel, the upper bending plate (212) is of a corrugated structure formed by bending a main body material, the cooling assembly (1) correspondingly penetrates through the upper bending plate (212) and is arranged in parallel with the bottom sealing plate (211), a channel is reserved between the bottom sealing plate (211) and the upper bending plate (212) at the middle position of the height direction of the upper bending plate (212), and the separation plate (22) is arranged on the bottom sealing plate (211) and divides the channel into an upper part and a lower part;
the bottom of the bottom sealing plate (211) is provided with a liquid inlet, and is connected with the liquid increasing pipe group (5) through the stock solution box (4) so as to introduce stock solution.
3. A ductile iron austempering cooling apparatus as set forth in claim 2 wherein: the bottom sealing plate (211) bottom is provided with parting bead (221), parting bead (221) cross-section is H type, and with end sealing plate (211) sealing connection, end sealing plate (211) and parting bead (221) tip are provided with tip sealing plug (222), parting bead (221) tip is provided with reflux groove (224) to form fluidic direction circuitous, be provided with multiunit mounting hole (223) on parting bead (221), be provided with multiunit negative pressure pipe (213) in the middle of last bent plate (212) and parting bead (221), negative pressure pipe (213) are with last bent plate (212) outside and parting bead (221) downside intercommunication, negative pressure pipe (213) are the matrix distribution, and the cross-section is diamond.
4. A ductile iron austempering cooling apparatus according to claim 3, wherein: the negative pressure pipe (213) is composed of a plurality of pipe bodies, the pipe bodies are arranged in an equiangular cross mode, and the end parts of the negative pressure pipe are correspondingly communicated with the upper bending plate (212) and the parting bead (221).
5. A ductile iron austempering cooling apparatus as recited in claim 4, wherein: the fixing plate (21) is made of aluminum alloy, and the surface of the fixing plate is provided with an anti-corrosion coating;
the surface of the fixed plate (21) is provided with a plurality of groups of heat dissipation grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311769099.7A CN117488030B (en) | 2023-12-21 | 2023-12-21 | Ductile iron isothermal quenching cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311769099.7A CN117488030B (en) | 2023-12-21 | 2023-12-21 | Ductile iron isothermal quenching cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117488030A CN117488030A (en) | 2024-02-02 |
| CN117488030B true CN117488030B (en) | 2024-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311769099.7A Active CN117488030B (en) | 2023-12-21 | 2023-12-21 | Ductile iron isothermal quenching cooling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN117488030B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000018104A (en) * | 2000-01-12 | 2000-04-06 | 이광래 | Heat treatment equipment of austemper spheroidal graphite cast iron |
| CN1626684A (en) * | 2003-12-11 | 2005-06-15 | 张志祥 | Method for composite cooling media through isothermal quench bath and equipment |
| CN101487078A (en) * | 2009-02-26 | 2009-07-22 | 武汉科技学院 | Stirring inner water cooling isothermal quench salt bath |
| CN107988468A (en) * | 2018-01-23 | 2018-05-04 | 北京建通鸿翔科技有限公司 | A kind of device suitable for isothermal hardening |
| CN108048629A (en) * | 2018-01-23 | 2018-05-18 | 北京建通鸿翔科技有限公司 | A kind of hardening media temperature control equipment |
| CN217418754U (en) * | 2022-05-30 | 2022-09-13 | 湖南中核热盐科技有限公司 | Isothermal quenching salt bath cooling and stirring device |
| CN116200578A (en) * | 2023-01-20 | 2023-06-02 | 沈阳工业大学 | Isothermal salt pond is used in production of austempered ductile iron material |
| CN117051214A (en) * | 2023-10-12 | 2023-11-14 | 盐城市鑫纬嘉新能源科技有限公司 | Ductile iron isothermal quenching tank and quenching process thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8524016B2 (en) * | 2012-01-03 | 2013-09-03 | General Electric Company | Method of making an austempered ductile iron article |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000018104A (en) * | 2000-01-12 | 2000-04-06 | 이광래 | Heat treatment equipment of austemper spheroidal graphite cast iron |
| CN1626684A (en) * | 2003-12-11 | 2005-06-15 | 张志祥 | Method for composite cooling media through isothermal quench bath and equipment |
| CN101487078A (en) * | 2009-02-26 | 2009-07-22 | 武汉科技学院 | Stirring inner water cooling isothermal quench salt bath |
| CN107988468A (en) * | 2018-01-23 | 2018-05-04 | 北京建通鸿翔科技有限公司 | A kind of device suitable for isothermal hardening |
| CN108048629A (en) * | 2018-01-23 | 2018-05-18 | 北京建通鸿翔科技有限公司 | A kind of hardening media temperature control equipment |
| CN217418754U (en) * | 2022-05-30 | 2022-09-13 | 湖南中核热盐科技有限公司 | Isothermal quenching salt bath cooling and stirring device |
| CN116200578A (en) * | 2023-01-20 | 2023-06-02 | 沈阳工业大学 | Isothermal salt pond is used in production of austempered ductile iron material |
| CN117051214A (en) * | 2023-10-12 | 2023-11-14 | 盐城市鑫纬嘉新能源科技有限公司 | Ductile iron isothermal quenching tank and quenching process thereof |
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| CN117488030A (en) | 2024-02-02 |
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