CN115260989A - Formula and process of monocrystal ultra-microcrystalline grinding material and smelting cooling device - Google Patents
Formula and process of monocrystal ultra-microcrystalline grinding material and smelting cooling device Download PDFInfo
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- CN115260989A CN115260989A CN202210725011.0A CN202210725011A CN115260989A CN 115260989 A CN115260989 A CN 115260989A CN 202210725011 A CN202210725011 A CN 202210725011A CN 115260989 A CN115260989 A CN 115260989A
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- 238000001816 cooling Methods 0.000 title claims abstract description 47
- 239000000463 material Substances 0.000 title claims abstract description 42
- 238000003723 Smelting Methods 0.000 title claims abstract description 35
- 238000000227 grinding Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims description 10
- 230000008569 process Effects 0.000 title claims description 4
- 238000005507 spraying Methods 0.000 claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000013078 crystal Substances 0.000 claims abstract description 23
- 239000007921 spray Substances 0.000 claims abstract description 15
- 238000010791 quenching Methods 0.000 claims abstract description 12
- 230000000171 quenching effect Effects 0.000 claims abstract description 11
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 10
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims abstract description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910000423 chromium oxide Inorganic materials 0.000 claims abstract description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 7
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 7
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000498 cooling water Substances 0.000 claims abstract description 4
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims description 34
- 230000037431 insertion Effects 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 11
- 239000003082 abrasive agent Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000007670 refining Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims 3
- 230000008018 melting Effects 0.000 claims 3
- 238000002156 mixing Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000013081 microcrystal Substances 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 description 14
- 238000005520 cutting process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000012768 molten material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1436—Composite particles, e.g. coated particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/0002—Cooling of furnaces
- F27D2009/001—Cooling of furnaces the cooling medium being a fluid other than a gas
- F27D2009/0013—Cooling of furnaces the cooling medium being a fluid other than a gas the fluid being water
- F27D2009/0016—Water-spray
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lift Valve (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The invention discloses a formula of a single crystal ultra-microcrystal grinding material, which consists of the following materials in percentage by weight: 97.8 percent of alumina; 1% of titanium oxide; 0.2% of silicon oxide; 0.1% of ferric oxide; 0.2 percent of magnesium oxide; 0.3 percent of chromium oxide; 0.4 percent of yttrium oxide. The invention also discloses a manufacturing process of the single crystal ultra-microcrystalline grinding material. The invention also discloses a smelting and cooling device for the monocrystal supermicrocrystallite grinding material, which is arranged on the outer wall of a smelting electric furnace and used for quenching and cooling, and comprises: the annular pipeline is arranged on the outer wall of the electric smelting furnace and used for loading cooling water, water outlet joints are uniformly distributed on the upper end surface of the annular pipeline in the circumferential direction, and at least one water inlet joint is arranged on the side surface of the annular pipeline; the spraying devices correspond to the water outlet connectors one by one and are detachably connected, and the spraying devices spray water to the outer wall of the smelting electric furnace for cooling; and the locking device is used for fixedly locking the spraying device on the water outlet joint.
Description
Technical Field
The application relates to the technical field of metallurgical materials, in particular to a formula and a manufacturing process of a single crystal ultra-microcrystal grinding material and a smelting cooling device.
Background
The abrasive is a base material for producing a grinding element such as a grinding wheel. The traditional grinding material such as white corundum has certain hardness and toughness, but when the grinding tool (such as a grinding wheel) is made of the material, a diamond pen is used for grinding a grinding operation surface of the grinding tool to form tiny cutting teeth, so that the grinding efficiency is increased. The above process is cumbersome to operate, and thus it is necessary to design an abrasive material to avoid the above operation.
In the manufacturing process of the grinding material, the outer surface of the electric furnace needs to be quenched, the traditional cooling device has small coverage and uneven water spraying amount, so that the electric furnace is cooled unevenly, and the performance of the finally formed grinding material is different. Therefore, a special quenching device for the outer surface of the electric furnace needs to be designed, and the quenching device can uniformly quench and cool the outer surface of the electric furnace.
Disclosure of Invention
The formula of the single crystal ultra-microcrystal grinding material comprises the following materials in percentage by weight:
97.8 percent of alumina; 1% of titanium oxide; 0.2% of silicon oxide; 0.1% of ferric oxide; 0.2 percent of magnesium oxide; 0.3 percent of chromium oxide; 0.4 percent of yttrium oxide.
The manufacturing process of the single crystal supermicro grinding material comprises the following steps:
s1, refining:
placing the alumina, titanium oxide, silicon oxide, iron oxide, magnesium oxide and chromium oxide materials in an electric furnace;
refining at 2000 deg.C, at which the material is in molten state
S2, uniformly spraying yttrium oxide:
lifting the electric furnace cover and the motor, and scattering yttrium oxide in the molten material;
s3, quenching:
rapidly spraying cooling liquid on the outer wall of the electric furnace until the temperature is reduced to 1600-1800 ℃;
s4, spray cooling:
and (4) carrying out mist spray cooling above the electric furnace until the temperature is reduced to below 1000 ℃.
The invention also discloses a smelting cooling device of the single crystal ultra-microcrystalline grinding material, which is arranged on the outer wall of a smelting electric furnace and used for quenching cooling and comprises:
the annular pipeline is arranged on the outer wall of the electric smelting furnace and used for loading cooling water, water outlet joints are uniformly distributed on the upper end face of the annular pipeline in the circumferential direction, and at least one water inlet joint is arranged on the side face of the annular pipeline;
the spraying devices correspond to the water outlet connectors one by one and are detachably connected, and the spraying devices spray water to the outer wall of the smelting electric furnace for cooling;
and the locking device is used for fixedly locking the spraying device on the water outlet joint.
As a further technical scheme:
the water outlet joint comprises a thick insertion pipe communicated with the annular pipeline, a thin insertion pipe arranged above the thick insertion pipe, and a joint gasket sleeved on the thick insertion pipe;
the spraying device comprises a spraying body and an adjusting valve body;
the spraying body comprises a rectangular base body, a connecting end arranged at the lower end of the rectangular base body and a locking cone which is formed on the lower edge of the outer wall of the connecting end and is narrow at the top and wide at the bottom, wherein a large-diameter lower hole is formed at the lower end of the connecting end, a small-diameter upper hole is formed at the upper end of the large-diameter lower hole, a water spraying transverse hole is further formed in the left side of the upper end of the small-diameter upper hole, and a sealing gasket is arranged on the upper edge of the inner wall of the large-diameter lower hole;
the regulating valve body comprises a regulating chamber which is arranged on the right side of the rectangular base body and communicated with the small-diameter upper hole, a regulating pressure spring and a regulating valve body are sequentially arranged in the regulating chamber from left to right, and a valve body passage corresponding to the small-diameter upper hole is also arranged in the regulating valve body;
the locking device is used for fixing the corresponding spraying device, comprises double conical disc teeth, and also comprises a rotating device and a clamping device which are circumferentially and uniformly distributed on the upper end surface of the annular pipeline and are positioned on the periphery of the water outlet joint;
the double-cone disc teeth are rotatably wound on the periphery of the water outlet joint and comprise built-in disc teeth formed on the inner edge and external disc teeth formed on the outer edge;
the rotating device comprises a rotating base arranged on the upper end surface of the annular pipeline, a clamping rotor rotatably arranged on the upper end surface of the rotating base, clamping bevel teeth formed on the right end surface of the clamping rotor and meshed with the built-in disc teeth, and an internal threaded hole formed on the left side of the inner wall of the clamping rotor;
clamping device includes that the spiro union is at the external screw thread pole of female screw hole, shaping in the rotation stopping slot of external screw thread pole below, shaping in water outlet joint outer wall and with rotation stopping slot grafting complex rotation stopping picture peg, external screw thread pole right side top is equipped with indulges puts the depression bar, indulge put depression bar upper end right side be equipped with the tight horizontal pole of clamp of locking centrum butt.
As a further technical solution, the device further comprises an adjusting device, and the adjusting device comprises:
the adjusting ring body comprises an annular base body, an annular inner groove and an annular outer groove, wherein the annular base body is arranged around the outer edge above the annular pipeline;
the fine adjustment valve bodies are circumferentially and uniformly distributed in the annular base body and correspond to the spraying devices one by one, and comprise a rotating groove body, a sliding hole body which is arranged to penetrate through the rotating groove body, a driven gear which is rotatably arranged in the rotating groove body, a driving screw hole which is formed at the center of the driven gear shaft, an adjusting solenoid which is screwed in the driving screw hole, a solenoid transverse groove which is formed at the lower edge of the adjusting solenoid along the axial direction, and a fine adjustment inserting block which is formed at the lower edge of the left side of the sliding hole body and is in inserting fit with the solenoid transverse groove;
the first adjusting ring is rotatably arranged on the upper end surface of the annular base body, and the lower end surface of the first adjusting ring is provided with an annular gear meshed with each fine adjustment valve body driven gear;
the quick adjusting valve body is circumferentially and uniformly distributed in the annular outer groove and corresponds to the fine adjusting valve body one by one, and comprises a quick adjusting jack arranged on the right side of the sliding hole body, a quick adjusting rod body penetrating through the quick adjusting jack and the adjusting solenoid, a rod body transverse groove formed on the upper edge of the quick adjusting rod body along the axial direction, a rotation stopping inserting plate formed at the upper end of the annular outer groove and in inserting fit with the rod body transverse groove, and a driven inserting rod formed at the lower end of the quick adjusting rod body;
and the second adjusting ring is rotatably arranged on the upper end surface of the annular inner groove, and arc-shaped inserting channels which are in inserting fit with the driven inserting rods of the quick adjusting valve bodies are uniformly distributed on the upper end surface of the second adjusting ring in the circumferential direction.
And further:
the lower end of the annular base body is further circumferentially and uniformly provided with adjusting components which are in one-to-one correspondence with the spraying devices, and each adjusting component comprises a middle-arranged rod body penetrating through the annular base body, an adjusting bevel gear which is formed on the left side of the middle-arranged rod body and is meshed with the external disc teeth, and a torsion rod body which is formed on the right side of the middle-arranged rod body.
As a further technical scheme:
and the outer wall of the electric furnace is provided with a bracket for supporting and installing the smelting cooling device.
Has the beneficial effects that:
the single crystal ultra-microcrystalline grinding material formula provided by the invention adopts a unique manufacturing process, and after cooling and crystallization, a tiny micro-cutting surface is formed, so that the single crystal ultra-microcrystalline grinding material formula has good cutting performance.
The smelting and cooling device for the single-crystal ultra-microcrystalline grinding material is arranged on the outer wall of an electric furnace, and the spraying devices are uniformly distributed on the annular pipeline in the circumferential direction, so that the outer surface of the electric furnace can be uniformly sprayed, and uniform quenching and cooling are realized.
The smelting and cooling device for the single crystal ultra-microcrystal grinding material is quick and convenient to install:
realize the quick fixation between spray set and the annular pipeline through locking means, the joint packing ring can effectively realize sealed between spray set and the annular pipeline. So that the pressurized water flow in the annular pipeline can be sprayed out through the spraying device.
The smelting and cooling device for the monocrystal ultracrystallite grinding material can synchronously adjust the spraying efficiency of all spraying devices:
the accurate mode of regulation:
rotate first adjustable ring, ring gear, and then drive each fine tuning valve body action:
the driven gear and the driving screw hole drive the adjusting solenoid and the solenoid transverse groove to slide along the fine adjustment insertion block, the adjusting solenoid drives the adjusting valve body and the valve body passage to move, the contact ratio of the valve body passage and the small-diameter upper hole is adjusted, and the spraying rate is adjusted;
a quick adjustment mode:
rotating the second adjusting ring and the arc-shaped inserting channel;
the arc-shaped inserting way drives the driven inserting rod, the quick adjusting rod body and the rod body transverse groove to quickly move along the rotation stopping inserting plate;
the quick adjusting rod body drives the adjusting valve body and the valve body passage to move, the contact ratio of the valve body passage and the small-diameter upper hole 21e is adjusted, and the spraying rate is adjusted.
Description of the drawings:
in order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic view of an embodiment of the smelting cooling device.
FIG. 2 is a schematic view of another embodiment of the smelting temperature reduction device.
FIG. 3 is a cross-sectional view of one embodiment of the annular line and locking device.
Fig. 4 is a partially enlarged schematic view of one embodiment of fig. 3.
Fig. 5 is a partially enlarged schematic view of another embodiment of fig. 3.
Fig. 6 is a sectional view of one embodiment of the annular pipeline, the locking device and the spraying device.
Fig. 7 is a partially enlarged schematic view of fig. 6.
FIG. 8 is a cross-sectional view of one embodiment of the spray assembly.
Figure 9 is a cross-sectional view of another embodiment of the spray device.
FIG. 10 is a cross-sectional view of one embodiment of the metallurgical heat sink.
Fig. 11 is a partially enlarged schematic view of fig. 10.
FIG. 12 is a cross-sectional view of one embodiment of the adjustment device.
FIG. 13 is an enlarged partial schematic view of one embodiment of FIG. 12.
Fig. 14 is an enlarged partial schematic view of the alternate embodiment of fig. 12.
FIG. 15 is a top view of an embodiment of a second adjustment ring.
In the figure:
m. electric furnace, m1. support;
1. the water inlet joint comprises an annular pipeline, 11, a water outlet joint, 11a, a thick splicing pipe, 11b, a thin splicing pipe, 11c, a joint gasket and 12, a water inlet joint;
2. the spraying device comprises a spraying device, 21, a spraying body, 21a, a rectangular base body, 21b, a connecting end, 21c, a locking cone, 21d, a large-diameter lower hole, 21e, a small-diameter upper hole, 21f, a water spraying transverse hole and 21g, a sealing gasket;
22. the adjusting valve comprises an adjusting valve body, 22a, an adjusting chamber, 22b, an adjusting pressure spring, 22c, an adjusting valve body, 22d, a valve body passage, 22e, a valve body sealing ring, 22f, a smooth surface gasket and 22g, an adjusting spiral ring;
3. a locking device;
31. the double-cone disc tooth 31a is an internal disc tooth, and the external disc tooth 31b is an external disc tooth;
32. a rotating device, 32a, a rotating base, 32b, a clamping rotor, 32c, a clamping bevel gear and 32d, an internal threaded hole;
33. the clamping device 33a is an external thread rod 33b is a rotation stopping inserting groove 33c is a rotation stopping inserting plate 33d is a longitudinal pressing rod 33e is a clamping cross rod;
34. an adjusting component, 34a, a middle rod body, 34b, an adjusting bevel gear, 34c, a torsion rod body;
4. an adjusting device, 41, an adjusting ring body, 41a, an annular base body, 41b, an annular inner groove, 41c, an annular outer groove;
42. the fine adjustment valve comprises a fine adjustment valve body, 42a rotating groove body, 42b a sliding hole body, 42c a driven gear, 42d a driving screw hole, 42e an adjusting solenoid, 42f a solenoid transverse groove and 42g a fine adjustment insertion block;
43. a first adjusting ring, 43a, a ring gear;
44. the fast adjusting valve comprises a fast adjusting valve body, 44a fast adjusting jacks, 44b fast adjusting rod bodies, 44c rod body transverse grooves, 44d stop rotation inserting plates and 44e driven inserting rods;
45. a second adjusting ring, 45a, an arc-shaped approach.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments.
A grinding material formula, in particular to a single crystal ultra-microcrystal grinding material formula, which comprises the following materials in percentage by weight:
97.8 percent of alumina; 1% of titanium oxide; 0.2% of silicon oxide; 0.1% of ferric oxide; 0.2 percent of magnesium oxide; 0.3 percent of chromium oxide; 0.4 percent of yttrium oxide.
The manufacturing process of the grinding material comprises the following steps:
s1, refining:
placing the alumina, titanium oxide, silicon oxide, iron oxide, magnesium oxide and chromium oxide materials in an electric furnace;
refining is carried out at a temperature of 2000 ℃ at which the material is in a molten state
S2, uniformly spraying yttrium oxide:
lifting the electric furnace cover and the motor, and scattering yttrium oxide in the molten material;
s3, quenching:
rapidly spraying cooling liquid on the outer wall of the electric furnace m until the temperature is reduced to 1600-1800 ℃;
s4, spray cooling:
and (4) carrying out mist spray cooling above the electric furnace until the temperature is reduced to below 1000 ℃.
The invention also discloses a smelting and cooling device for the monocrystal supermicrocrystallite grinding material, which is arranged on the outer wall of a smelting electric furnace m and used for quenching and cooling, and comprises:
the device comprises an annular pipeline 1, a water inlet connector 12 and a water outlet connector 11, wherein the annular pipeline 1 is arranged on the outer wall of a smelting electric furnace m and used for loading cooling water, the upper end surface of the annular pipeline 1 is circumferentially and uniformly distributed with the water outlet connectors 11, and the side surface of the annular pipeline 1 is provided with the at least one water inlet connector 12;
the spraying devices 2 correspond to the water outlet connectors 11 one by one and are detachably connected, and the spraying devices 2 spray water to the outer wall of the smelting electric furnace m for cooling;
and the locking device 3 is used for fixedly locking the spraying device 2 on the water outlet joint 11.
As a further technical scheme:
the water outlet joint 11 comprises a thick insertion pipe 11a communicated with the annular pipeline 1, a thin insertion pipe 11b arranged above the thick insertion pipe 11a, and a joint gasket 11c sleeved on the thick insertion pipe 11 a;
the spraying device 2 comprises a spraying body 21 and an adjusting valve body 22;
the spraying body 21 comprises a rectangular base body 21a, a connecting end 21b arranged at the lower end of the rectangular base body 21a and a locking cone 21c which is formed on the lower edge of the outer wall of the connecting end 21b and is narrow at the top and wide at the bottom, wherein a large-diameter lower hole 21d is formed at the lower end of the connecting end 21b, a small-diameter upper hole 21e is formed at the upper end of the large-diameter lower hole 21d, a water spraying transverse hole 21f is further formed in the left side of the upper end of the small-diameter upper hole 21e, and a sealing gasket 21g is arranged on the upper edge of the inner wall of the large-diameter lower hole 21 d;
the regulating valve body 22 comprises a regulating chamber 22a which is arranged at the right side of the rectangular base body 21a and is communicated with the small-diameter upper hole 21e, a regulating pressure spring 22b and a regulating valve body 22c are sequentially arranged in the regulating chamber 22a from left to right, and a valve body passage 22d corresponding to the small-diameter upper hole 21e is also arranged in the regulating valve body 22d;
the locking device 3 is used for fixing the corresponding spraying device 2, comprises a double-cone disc tooth 31, and further comprises a rotating device 32 and a clamping device 33 which are uniformly distributed on the upper end surface of the annular pipeline 1 in the circumferential direction and are positioned on the periphery of the water outlet joint 11;
the double conical disc teeth 31 are rotatably wound on the periphery of the water outlet joint 11 and comprise internal disc teeth 31a formed on the inner edge and external disc teeth 31b formed on the outer edge;
the rotating device 32 comprises a rotating base 32a arranged on the upper end surface of the annular pipeline 1, a clamping rotor 32b rotatably arranged on the upper end surface of the rotating base 32, a clamping bevel gear 32c formed on the right end surface of the clamping rotor 32b and meshed with the built-in disc gear 31a, and an internal threaded hole 32d formed on the left side of the inner wall of the clamping rotor 32 b;
clamping device 33 includes the external screw thread pole 33a in the internal screw hole 32d of spiro union, the shaping in external screw thread pole 33a below the socket 33b that ends, the shaping in water outlet joint 11 outer wall and with the socket 33b that ends the socket 33b grafting complex that ends rotation picture peg 33c, external screw thread pole 33a right side top is equipped with vertical depression bar 33d, vertical depression bar 33d upper end right side is equipped with the tight horizontal pole 33e of clamp with locking centrum 21c butt.
As a further technical solution, the device further comprises an adjusting device 4, wherein the adjusting device 4 comprises:
the adjusting ring body 41 comprises an annular base body 41a arranged around the outer edge above the annular pipeline 1, an annular inner groove 41b formed on the inner edge below the annular base body 41a, and an annular outer groove 41c formed on the outer edge of the annular base body 41 a;
the fine adjustment valve bodies 42 are circumferentially and uniformly distributed in the annular base body 41a and correspond to the spraying devices 2 one by one, and comprise a rotating groove body 42a, a sliding hole body 42b which is arranged to penetrate through the rotating groove body 42a, a driven gear 42c which is rotatably arranged in the rotating groove body 42a, a driving screw hole 42d which is formed at the axle center of the driven gear 42c, an adjusting screw tube 42e which is screwed in the driving screw hole 42d, a screw tube transverse groove 42f which is formed at the lower edge of the adjusting screw tube 42e along the axial direction, and a fine adjustment insertion block 42g which is formed at the left lower edge of the sliding hole body 42b and is in insertion fit with the screw tube transverse groove 42 f;
a first adjusting ring 43 rotatably disposed on the upper end surface of the annular base 41a, wherein the lower end surface of the first adjusting ring 43 is provided with a ring gear 43a engaged with the driven gear 42c of each fine adjustment valve body 42;
the quick adjusting valve bodies 44 are circumferentially and uniformly distributed in the annular outer groove 41c and correspond to the fine adjusting valve bodies 42 one by one, and comprise quick adjusting jacks 44a arranged on the right side of the sliding hole body 42b, quick adjusting rod bodies 44b penetrating through the quick adjusting jacks 44a and the adjusting screw pipes 42e, rod body transverse grooves 44c formed on the upper edges of the quick adjusting rod bodies 44b along the axial direction, rotation stopping insertion plates 44d formed at the upper ends of the annular outer grooves 41c and in insertion fit with the rod body transverse grooves 44c, and driven insertion rods 44e formed at the lower ends of the quick adjusting rod bodies 44 b;
and the second adjusting ring 45 is rotatably arranged on the upper end surface of the annular inner groove 41b, and arc-shaped inserting ways 45a which are in inserting fit with the driven inserting rods 44e of the fast adjusting valve bodies 44 are circumferentially and uniformly distributed on the upper end surface of the second adjusting ring 45.
Thanks to the above improved technical solution, the spraying efficiency of each spraying device 2 can be realized by the adjusting device 4:
the ring gear 43a of the first adjusting ring 43 can perform the function of synchronizing a plurality of control fine adjustment valve bodies 42:
the ring gear 43a can adjust the driven gear 42c.
The plurality of arc-shaped inserting ways 45a of the second adjusting ring 45 correspond to the driven inserting rods 44e one by one, and the second adjusting ring 45 can synchronously realize the adjustment of the plurality of quick adjusting valve bodies 44.
Further:
the lower end of the annular base body 41a is further circumferentially and uniformly provided with adjusting components 34 corresponding to the spraying devices 2 one by one, and each adjusting component 34 comprises a middle rod body 34a penetrating through the annular base body 41a, an adjusting bevel gear 34b formed on the left side of the middle rod body 34a and meshed with the external disc teeth 31b, and a twisting rod body 34c formed on the right side of the middle rod body 34a.
As a further technical scheme:
and a bracket m1 for supporting and installing a smelting cooling device is arranged on the outer wall of the electric furnace m.
A quenching and cooling method for smelting a single-crystal ultra-microcrystalline grinding material comprises the following steps:
s1, fixing a spraying device 2:
s1.1, primary insertion:
the smelting cooling device is arranged on the outer wall of the electric furnace m;
sequentially and preliminarily inserting each spraying device 2 on the water outlet joint 11, so that the large-diameter lower hole 21d is sleeved on the thin inserting pipe 11b and is abutted against the thick inserting pipe 11 a;
s1.1, locking and fixing:
the torsion rod body 34c, the middle rod body 34a and the adjusting bevel gear 34b are rotated to drive the external disk teeth 31b and the internal disk teeth 31a to rotate;
the built-in disc tooth 31a drives the clamping bevel tooth 32c, the clamping rotor 32b and the internal threaded hole 32d to rotate;
the internal thread hole 32d drives the external thread rod 33a, the rotation stopping slot 33b, the longitudinal pressure rod 33d and the clamping cross rod 33e to move;
the clamping cross rod 33e acts on a locking cone 21c to drive the spraying body 21 to move downwards, and the locking cone 21c compresses and seals the joint gasket 11c to realize the fixation between the spraying device 2 and the annular pipeline 1;
s2, spraying:
connecting a water inlet joint 12 with a pressurized water path, and enabling water flow to enter the annular pipeline 1 through the water inlet joint 12;
the water flow in the annular pipeline 1 passes through the thick insertion pipe 11a, the thin insertion pipe 11b, the valve body passage 22b and the water spray cross hole 21f and then is sprayed on the outer wall of the electric furnace m.
As a further technical scheme, the method for rapidly cooling and cooling the smelting of the single-crystal ultra-microcrystalline grinding material further comprises S3, spraying rate adjustment:
s3.1, accurately adjusting:
the first adjusting ring 43 and the ring gear 43a are rotated to drive each fine adjustment valve body 42 to act:
the driven gear 42c and the driving screw hole 42d drive the adjusting screw tube 42e and the screw tube transverse groove 42f to slide along the fine adjusting insertion block 42g, the adjusting screw tube 42e drives the adjusting valve body 22c and the valve body passage 22d to move, the contact ratio of the valve body passage 22d and the small-diameter upper hole 21e is adjusted, and the spraying rate is adjusted;
s3.2, quickly adjusting:
rotating the second adjusting ring 45 and the arc-shaped inserting channel 45a;
the arc-shaped inserting way 45a drives the driven inserting rod 44e, the quick adjusting rod body 44b and the rod body transverse groove 44c to rapidly move along the rotation stopping inserting plate 44 d;
the quick adjusting rod body 44b drives the adjusting valve body 22c and the valve body passage 22d to move, so that the contact ratio between the valve body passage 22d and the small-diameter upper hole 21e is adjusted, and the spraying rate is adjusted.
As a further embodiment, a sealing polished rod and an external threaded rod are sequentially formed on the right side of the regulating valve body 22d, a valve body sealing ring 22e and a smooth surface gasket 22f are arranged on the sealing polished rod, and a regulating spiral ring 22g for pressing the smooth surface gasket 22f is screwed on the external threaded rod.
Thanks to the improved technical scheme, the adjusting screw ring 22g is rotated to rotate and move along the length direction of the adjusting valve body 22c, the smooth surface gasket 22f and the valve body sealing ring 22e are extruded, the radial deformation of the valve body sealing ring 22e is realized through axial extrusion, and the sealing between the adjusting valve body 22c and the inner wall of the adjusting cavity 22a is realized.
As a further embodiment, the thin bayonet tube 11b has a smooth non-circular cross-section, preferably an oval or rounded rectangle, on the outside. The large-diameter lower hole 21d is shaped to fit the thin insertion tube 11b.
As a further embodiment, the outer wall of the first adjusting ring 43 is provided with a first handle along the axial direction, and the outer wall of the first handle is provided with a heat insulation layer made of heat insulation materials.
As a further embodiment, the outer wall of the second adjusting ring 45 is provided with a second handle along the axial direction, and the outer wall of the second handle is provided with a heat insulation layer made of heat insulation materials.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. A single crystal ultra-microcrystalline abrasive material formula, which is characterized in that:
the material comprises the following materials by weight percent:
97.8 percent of alumina; 1% of titanium oxide; 0.2% of silicon oxide; 0.1% of ferric oxide; 0.2 percent of magnesium oxide; 0.3 percent of chromium oxide; 0.4 percent of yttrium oxide.
2. A process for producing a single crystal ultra-fine abrasive material according to claim 1, wherein:
the method comprises the following steps:
s1, refining:
uniformly mixing the alumina, titanium oxide, silicon oxide, iron oxide, magnesium oxide and chromium oxide materials, placing the mixture into an electric furnace, keeping a certain height, and then uniformly scattering yttrium oxide above the materials;
refining at 2000-2050 ℃ for 4 hours, wherein the material is molten at the temperature;
naturally cooling the material until 1600-1800 ℃;
s2, quenching and cooling:
rapidly spraying cooling liquid on the outer wall of the electric furnace (m), and rapidly cooling until the temperature is reduced to 1000 ℃;
s3, spray cooling:
and (5) carrying out mist spray cooling above the electric furnace, and cooling to room temperature.
3. A single crystal ultra-microcrystalline grinding material smelting and cooling device is arranged on the outer wall of a smelting electric furnace (m) and used for quenching and cooling, and is characterized in that: the method comprises the following steps:
the annular pipeline (1) is arranged on the outer wall of the electric smelting furnace (m) and used for loading cooling water, water outlet connectors (11) are uniformly distributed on the upper end face of the annular pipeline (1) in the circumferential direction, and at least one water inlet connector (12) is arranged on the side face of the annular pipeline (1);
the spraying devices (2) correspond to the water outlet connectors (11) one by one and are detachably connected, and the spraying devices (2) spray water to the outer wall of the smelting electric furnace (m) for cooling; (ii) a
And the locking device (3) is used for fixedly locking the spraying device (2) on the water outlet joint (11).
4. A single crystal ultra-microcrystalline abrasive material smelting and cooling device as claimed in claim 3, wherein:
the water outlet joint (11) comprises a thick insertion pipe (11 a) communicated with the annular pipeline (1), a thin insertion pipe (11 b) arranged above the thick insertion pipe (11 a), and a joint gasket (11 c) sleeved on the thick insertion pipe (11 a);
the spraying device (2) comprises a spraying body (21) and an adjusting valve body (22);
the spraying body (21) comprises a rectangular base body (21 a), a connecting end (21 b) arranged at the lower end of the rectangular base body (21 a) and a locking cone (21 c) which is formed on the lower edge of the outer wall of the connecting end (21 b) and is narrow at the top and wide at the bottom, a large-diameter lower hole (21 d) is formed at the lower end of the connecting end (21 b), a small-diameter upper hole (21 e) is formed at the upper end of the large-diameter lower hole (21 d), a water spraying transverse hole (21 f) is further formed in the left side of the upper end of the small-diameter upper hole (21 e), and a sealing gasket (21 g) is arranged on the upper edge of the inner wall of the large-diameter lower hole (21 d);
the adjusting valve body (22) comprises an adjusting chamber (22 a) which is arranged on the right side of the rectangular base body (21 a) and communicated with the small-diameter upper hole (21 e), an adjusting pressure spring (22 b) and an adjusting valve body (22 c) are sequentially arranged in the adjusting chamber (22 a) from left to right, and a valve body passage (22 d) corresponding to the small-diameter upper hole (21 e) is also arranged in the adjusting valve body (22 d);
the locking device (3) is used for fixing the corresponding spraying device (2), comprises a double-cone disc tooth (31), and also comprises a rotating device (32) and a clamping device (33), wherein the rotating device and the clamping device are circumferentially and uniformly distributed on the upper end surface of the annular pipeline (1) and are positioned on the periphery of the water outlet joint (11);
the double-cone disc teeth (31) are rotatably arranged on the periphery of the water outlet joint (11) in a winding manner and comprise built-in disc teeth (31 a) formed on the inner edge and built-out disc teeth (31 b) formed on the outer edge;
the rotating device (32) comprises a rotating base (32 a) arranged on the upper end surface of the annular pipeline (1), a clamping rotor (32 b) rotatably arranged on the upper end surface of the rotating base (32), a clamping bevel gear (32 c) formed on the right end surface of the clamping rotor (32 b) and meshed with the built-in disc gear (31 a), and an internal threaded hole (32 d) formed on the left side of the inner wall of the clamping rotor (32 b);
clamping device (33) including the spiro union external screw thread pole (33 a) in screw hole (32 d), shaping in external screw thread pole (33 a) below rotation-stopping slot (33 b), shaping in water connectors (11) outer wall and with rotation-stopping slot (33 b) grafting complex rotation-stopping picture peg (33 c), external screw thread pole (33 a) right side top is equipped with indulges and puts depression bar (33 d), indulge and put depression bar (33 d) upper end right side be equipped with the tight horizontal pole (33 e) of clamp of locking centrum (21 c) butt.
5. A single crystal ultra-microcrystalline grinding material smelting and cooling device according to claim 4, wherein:
further comprising an adjustment device (4), the adjustment device (4) comprising:
the adjusting ring body (41) comprises an annular base body (41 a) arranged around the outer edge above the annular pipeline (1), an annular inner groove (41 b) formed on the inner edge below the annular base body (41 a), and an annular outer groove (41 c) formed on the outer edge of the annular base body (41 a);
the fine adjustment valve bodies (42) are circumferentially and uniformly distributed in the annular base body (41 a) and correspond to the spraying devices (2) one by one, and each fine adjustment valve body comprises a rotating groove body (42 a), a sliding hole body (42 b) penetrating through the rotating groove body (42 a), a driven gear (42 c) rotatably arranged in the rotating groove body (42 a), a driving screw hole (42 d) formed in the axis of the driven gear (42 c), an adjusting solenoid (42 e) screwed in the driving screw hole (42 d), a solenoid transverse groove (42 f) formed in the lower edge of the adjusting solenoid (42 e) along the axial direction, and a fine adjustment insertion block (42 g) formed in the lower edge of the left side of the sliding hole body (42 b) and in insertion fit with the solenoid transverse groove (42 f);
the first adjusting ring (43) is rotatably arranged on the upper end surface of the annular base body (41 a), and the lower end surface of the first adjusting ring (43) is provided with an annular gear (43 a) meshed with a driven gear (42 c) of each fine adjusting valve body (42);
the fast adjusting valve bodies (44) are circumferentially and uniformly distributed in the annular outer grooves (41 c) and correspond to the fine adjusting valve bodies (42) one by one, and comprise fast adjusting insertion holes (44 a) arranged on the right side of the sliding hole body (42 b), fast adjusting rod bodies (44 b) penetrating through the fast adjusting insertion holes (44 a) and the adjusting screw pipes (42 e), rod body transverse grooves (44 c) formed on the upper edges of the fast adjusting rod bodies (44 b) along the axial direction, rotation stopping insertion plates (44 d) formed at the upper ends of the annular outer grooves (41 c) and in insertion fit with the rod body transverse grooves (44 c), and driven insertion rods (44 e) formed at the lower ends of the fast adjusting rod bodies (44 b);
the second adjusting ring (45) is rotatably arranged on the upper end face of the annular inner groove (41 b), and arc-shaped inserting channels (45 a) which are in inserting fit with driven inserting rods (44 e) of the fast adjusting valve bodies (44) are uniformly distributed on the upper end face of the second adjusting ring (45) in the circumferential direction.
6. A single crystal ultra-microcrystalline abrasive smelting and cooling device according to claim 5, wherein:
the lower end of the annular base body (41 a) is further circumferentially and uniformly provided with adjusting components (34) which are in one-to-one correspondence with the spraying devices (2), and each adjusting component (34) comprises a middle rod body (34 a) penetrating through the annular base body (41 a), an adjusting bevel gear (34 b) which is formed on the left side of the middle rod body (34 a) and meshed with the external disk teeth (31 b), and a twisting rod body (34 c) which is formed on the right side of the middle rod body (34 a).
7. A single crystal ultra-microcrystalline grinding material smelting and cooling device according to claim 6, wherein:
and a bracket (m 1) for supporting and installing a smelting cooling device is arranged on the outer wall of the electric furnace (m).
8. A method for rapidly cooling and melting a single crystal ultra-microcrystalline abrasive material, comprising using the apparatus for cooling and melting a single crystal ultra-microcrystalline abrasive material according to claim 7, wherein: the method comprises the following steps:
s1, fixing a spraying device (2):
s1.1, primary splicing:
the smelting cooling device is arranged on the outer wall of the electric furnace (m);
sequentially and preliminarily inserting each spraying device (2) on the water outlet joint (11) so that the large-diameter lower hole (21 d) is sleeved on the thin inserting pipe (11 b) and is abutted against the thick inserting pipe (11 a);
s1.1, locking and fixing:
the torsion rod body (34 c), the middle rod body (34 a) and the adjusting bevel gear (34 b) are rotated to drive the external disc teeth (31 b) and the internal disc teeth (31 a) to rotate;
the built-in disc teeth (31 a) drive the clamping bevel teeth (32 c), the clamping rotor (32 b) and the internal threaded hole (32 d) to rotate;
the internal thread hole (32 d) drives the external thread rod (33 a), the rotation stopping slot (33 b), the longitudinal pressure rod (33 d) and the clamping cross rod (33 e) to move;
the clamping cross rod (33 e) acts on a locking cone body (21 c) to further drive the spraying body (21) to move downwards, the locking cone body (21 c) compresses and seals a joint gasket (11 c), and the spraying device (2) and the annular pipeline (1) are fixed;
s2, spraying:
the water inlet joint (12) is connected with a pressurized water path, and water flows into the annular pipeline (1) through the water inlet joint (12);
water flow in the annular pipeline (1) passes through the thick insertion pipe (11 a), the thin insertion pipe (11 b), the valve body passage (22 b) and the water spraying cross hole (21 f) and then is sprayed on the outer wall of the electric furnace (m).
9. The method for rapidly cooling and melting a single-crystal ultra-microcrystalline abrasive material according to claim 8, wherein: and S3, adjusting the spraying rate:
s3.1, accurately adjusting:
rotating the first adjusting ring (43), the ring gear (43 a) and then driving each fine adjustment valve body (42) to act:
the driven gear (42 c) and the driving screw hole (42 d) drive the adjusting solenoid (42 e) and the solenoid transverse groove (42 f) to slide along the fine adjusting insertion block (42 g), the adjusting solenoid (42 e) drives the adjusting valve body (22 c) and the valve body passage (22 d) to move, the contact ratio of the valve body passage (22 d) and the small-diameter upper hole (21 e) is adjusted, and the spraying rate is adjusted;
s3.2, quickly adjusting:
rotating the second adjusting ring (45) and the arc-shaped inserting channel (45 a);
the arc-shaped inserting channel (45 a) drives the driven inserting rod (44 e), the quick adjusting rod body (44 b) and the rod body transverse groove (44 c) to move quickly along the rotation stopping inserting plate (44 d);
the quick adjusting rod body (44 b) drives the adjusting valve body (22 c) and the valve body passage (22 d) to move, the overlap ratio of the valve body passage (22 d) and the small-diameter upper hole (21 e) is adjusted, and the spraying rate is adjusted.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210725011.0A CN115260989B (en) | 2022-06-23 | 2022-06-23 | Formula, process and smelting cooling device of monocrystal ultracrystalline grinding material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210725011.0A CN115260989B (en) | 2022-06-23 | 2022-06-23 | Formula, process and smelting cooling device of monocrystal ultracrystalline grinding material |
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|---|---|---|---|---|
| CN102797882A (en) * | 2011-05-27 | 2012-11-28 | 北京航天试验技术研究所 | Needle valve capable of accurately adjusting flow rate |
| CN210331461U (en) * | 2019-05-06 | 2020-04-17 | 江苏伽玛科技有限公司 | Atomizing fire control shower nozzle of convenient regulation |
| CN213238472U (en) * | 2020-10-16 | 2021-05-18 | 江西自立环保科技有限公司 | Water-cooling spraying metallurgical electric furnace |
| CN112979288A (en) * | 2021-02-09 | 2021-06-18 | 洛阳润宝研磨材料有限公司 | Preparation method of sapphire grinding material |
| CN113708330A (en) * | 2021-09-23 | 2021-11-26 | 国网山东省电力公司广饶县供电公司 | Quick waterproof sealing device of cable end |
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2022
- 2022-06-23 CN CN202210725011.0A patent/CN115260989B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797882A (en) * | 2011-05-27 | 2012-11-28 | 北京航天试验技术研究所 | Needle valve capable of accurately adjusting flow rate |
| CN210331461U (en) * | 2019-05-06 | 2020-04-17 | 江苏伽玛科技有限公司 | Atomizing fire control shower nozzle of convenient regulation |
| CN213238472U (en) * | 2020-10-16 | 2021-05-18 | 江西自立环保科技有限公司 | Water-cooling spraying metallurgical electric furnace |
| CN112979288A (en) * | 2021-02-09 | 2021-06-18 | 洛阳润宝研磨材料有限公司 | Preparation method of sapphire grinding material |
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