CN204019702U - Prepare the mould of silica crucible - Google Patents
Prepare the mould of silica crucible Download PDFInfo
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- CN204019702U CN204019702U CN201420423316.7U CN201420423316U CN204019702U CN 204019702 U CN204019702 U CN 204019702U CN 201420423316 U CN201420423316 U CN 201420423316U CN 204019702 U CN204019702 U CN 204019702U
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- crucible
- filter plate
- mould
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Abstract
The utility model discloses a kind of mould preparing silica crucible, mould comprises die cap, surrounding abutment wall and core rod, die cap is provided with the sprue gate be connected with crucible shaping area, die cap and crucible shaping area can be surrounded between surrounding abutment wall and core rod, the part that die cap, surrounding abutment wall are relative with crucible shaping area with core rod is respectively arranged with filter plate, the inside of die cap, surrounding abutment wall and core rod forms die cavity respectively, and die cavity is communicated with crucible shaping area by filter plate.Above-mentioned prepare silica crucible mould compression strength and filtering accuracy higher, the silica crucible dimensional discrepancy of preparation is little.
Description
Technical field
The utility model relates to silica crucible production field, particularly relates to the mould preparing silica crucible.
Background technology
Quartz crucible production technology mainly contains the solidifying method of two-sided midge method, one side midge method and note, in order to the moisture in slurry is removed fast, generally use gypsum mold in traditional Quartz crucible production technology, utilize its water imbibition to discharge moisture, then make crucible shaping.Along with crucible does larger and larger, according to need of production, gypsum mold also must be increasing.But gypsum mold intensity is low, repair a die after at every turn shaping, knife will scrape away one deck gypsum, causes the die cavity in mould to become increasing, makes deformation of products large, there is scraggly defect, finally cause product size deviation excessive, finished product density is low, intensity difference, qualification rate is low, until cannot use.In addition, existing gypsum mold forming technique, consume a large amount of gypsum, the life-span is low, scraps after stain environment.
Some companies uses the shaping crucible of porous resin moulds, but due to the slurry of silica crucible very rare, water content is very large, the eliminating moisture that porous resin moulds can not be good.Therefore, the general method adopting press filtration.When quartz slurry can flow at the beginning, pressurization can get rid of portion of water, but when the moisture in quartz slurry makes quartz slurry flow once reduce to, pressure cannot transmit in porous resin moulds, and now filter press technique lost efficacy.Therefore, only crucible cannot be completed with resin die press filtration shaping.Generally, everybody embeds plaster mold in resin die inside, utilizes plaster mold that the moisture of remnants is blotted.
In addition, filter press technique will use high-pressure pump to mould note pressure, if use press filtration, produce very large pressure by each die face, use porous resin moulds to hold at all and can't stand this intensity, mould will soon be scrapped.Use the shaping crucible of porous resin moulds will use expensive resin material, cannot promote at all, mould is complicated, and filtering accuracy does not reach requirement, and molding effect is undesirable.
Utility model content
Based on this, be necessary easily to cause for gypsum mold during shaping silica crucible the problem that product size deviation is excessive He porous resin moulds compression strength is low, filtering accuracy is low, there is provided a kind of mould that compression strength is high and filtering accuracy is high preparing silica crucible, the product size deviation of the silica crucible utilizing this mould to obtain is little.
A kind of mould preparing silica crucible, described mould comprises die cap, surrounding abutment wall and core rod, described die cap is provided with the sprue gate be connected with described crucible shaping area, described die cap and crucible shaping area can be surrounded between described surrounding abutment wall and described core rod, the part that described die cap, described surrounding abutment wall are relative with described crucible shaping area with described core rod is respectively arranged with filter plate, the inside of described die cap, described surrounding abutment wall and described core rod forms die cavity respectively, and described die cavity is communicated with described crucible shaping area by described filter plate.
Wherein in an embodiment, described filter plate and described die cap, described surrounding abutment wall or described core rod are detachable combination, and described die cavity hides by described filter plate.
Wherein in an embodiment, described filter plate and described die cap, described surrounding abutment wall or described core rod are formed in one, and described filter plate is arranged on the surface of described die cap, described surrounding abutment wall or described core rod and described crucible shaping area opposite segments.
Wherein in an embodiment, described die cavity is hollow sandwich die cavity, and the side of described die cavity is provided with the joint for connecting external pipeline.
Wherein in an embodiment, the face that each filter plate described is relative with described crucible shaping area forms the main forming surface in order to shaping crucible, each filter plate described is respectively equipped with the micropore be evenly distributed, die cavity corresponding to crucible shaping area described in the microporous connectivity of each filter plate described and described crucible shaping area.
Wherein in an embodiment, described mould is metal die, and described filter plate is metal filter plate, ceramic filtering plate or resin filter plate, and described metal filter plate is multilayer stainless steel cloth filter plate.
The above-mentioned mould preparing silica crucible, comprises die cap, surrounding abutment wall and core rod, and when crucible is shaping, die cap and can surround crucible shaping area between surrounding abutment wall and core rod, first quartz slurry enters crucible shaping area by the sprue gate on die cap.The part that die cap, surrounding abutment wall are relative with crucible shaping area with core rod is respectively arranged with filter plate, and filter plate both can the quick filtering the moisture in slurry, and don't allows the particle in quartz slurry run off.Meanwhile, the inside of die cap, surrounding abutment wall and core rod forms die cavity respectively.When vacuumizing in crucible forming process, die cavity is communicated with vacuum system, each part of mould vacuumizes in respective die cavity, there is no pressure each other, die deformation can not be caused, therefore, above-mentioned prepare silica crucible mould compression strength and filtering accuracy higher, the silica crucible dimensional discrepancy of preparation is little.In addition, adopt such mould not use releasing agent, reduce cost.
Accompanying drawing explanation
Fig. 1 is the part drawing of the mould preparing silica crucible;
Fig. 2 (a) is for preparing the front view of the abutment wall of the mould of silica crucible;
Fig. 2 (b) is for preparing the profile of the abutment wall of the mould of silica crucible;
Fig. 3 is the flow chart of the preparation technology of the silica crucible of an embodiment;
Fig. 4 is the assembly drawing of the mould preparing silica crucible;
Fig. 5 prepares the mould of silica crucible and the schematic diagram of crucible base substrate.
In figure: mould 100, die cap 110, sprue gate 112, die cap filter plate 114, abutment wall 120, abutment wall filter plate 122, die cavity 124, joint 126, stiffener 128, core rod 130, core rod filter plate 132, hopper 200, vacuum tube 300, crucible base substrate 400.
Detailed description of the invention
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail detailed description of the invention of the present utility model below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the utility model.But the utility model can be much different from alternate manner described here to implement, those skilled in the art can when doing similar improvement without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public concrete enforcement.
The mould 100 preparing silica crucible of embodiment comprises die cap 110, surrounding abutment wall 120 and core rod 130.As shown in Figure 1, die cap 110 is provided with the sprue gate 112 be connected with crucible shaping area.After mould 100 is assembled, die cap 100 and surround crucible shaping area between surrounding abutment wall 120 and core rod 130.The part that die cap 110, surrounding abutment wall 120 are relative with crucible shaping area with core rod 130 is respectively arranged with die cap filter plate 114, abutment wall filter plate 122 and core rod filter plate 132.The face that each filter plate is relative with crucible shaping area forms the main forming surface in order to shaping crucible.Each filter plate is respectively equipped with the micropore be evenly distributed.The inside of die cap 110, surrounding abutment wall 120 and core rod 130 forms die cavity respectively, and die cavity is communicated with crucible shaping area by filter plate.The side of die cavity is provided with the joint for connecting external pipeline.Die cavity corresponding to the microporous connectivity crucible shaping area of each filter plate and crucible shaping area.
Prepare the front view of the abutment wall 120 of the mould of silica crucible as shown in Fig. 2 (a), the abutment wall 120 in Fig. 2 (a) carries out section and obtains Fig. 2 (b).Abutment wall filter plate 122 is positioned at the side for the formation of main forming surface on abutment wall 120, and the hollow sandwich that the inside of abutment wall 120 is formed is die cavity 124, and the outside of die cavity is provided with joint 126, and joint 126 is used for connecting external pipeline.Abutment wall filter plate 122 stiffener 128 fixes.Form the gap that the moisture in quartz slurry can be made to pass through between stiffener 128 and abutment wall filter plate 122, be connected with die cavity 124.After assembling mould 100, carry out silica crucible shaping time, use the moisture in vacuum system suction strainer quartz slurry, the micropore of the moisture now in quartz slurry on abutment wall filter plate 122 enters die cavity 124, is discharged subsequently.Particle in quartz slurry is not then retained down by micropore.
Die cap 110 is also with the inside of core rod 130 the hollow sandwich die cavity be communicated with, and the side of die cavity is provided with the joint for connecting external pipeline equally.Can ensure like this in silica crucible forming process, vacuum system can moisture evenly in suction strainer quartz slurry, make shaping after silica crucible even density, quality is superior.
This mould 100 preparing silica crucible is metal die, and filter plate is fixed by stiffener, and the bearing structure of the inner chamber of metal die can bear the pressure of 0.6MPa, and compression strength is high, can not cause die deformation in silica crucible forming process.
Filter plate can be metal filter plate, ceramic filtering plate or resin filter plate.
Metal filter plate can be multilayer stainless steel cloth filter plate, and this multilayer stainless steel cloth filter plate adopts 600 object multilayer stainless (steel) wires to suppress through special lamination, through a kind of filtering material with higher-strength and overall rigidity of vacuum-sintering.Standard five layers of net of multilayer stainless (steel) wire are by protective layer, and precision controlling layer, dispersion layer and multilayer enhancement Layer form.The mesh of its each layer silk screen is interlaced, forms a kind of homogeneous and desirable filter arrangement, both can the particle in slurry is intact be trapped in die cavity, and can promptly moisture be got rid of in vacuum system again.There is excellent filtering accuracy, filter impedance, mechanical strength, wearability, heat resistance, cold resistance and processed property, compression strength requirement and filtering accuracy are required that homogeneous filtration is particularly desirable.
The filtering accuracy of multilayer stainless steel cloth filter plate is 2 μm ~ 300 μm, can be resistance to for from the continuous filtration of-200 DEG C ~ 650 DEG C.Owing to adopting the both surface filtration structure of splendid backwash effect during cleaning, therefore cleaning is simple.
Ceramic filtering plate is made up of the countless micropores be evenly distributed, and adopt advanced Preparation of inorganic membrane technique, aperture is 0.5 μm ~ 5 μm.Good water permeability, permeable amount is 1200kg/h ﹒ ㎡ ~ 1500kg/h ﹒ ㎡, kickback pressure can reach 0.15MPa and more than.When fluid passes through from these small holes, particle is trapped within filter media surface.Porous ceramic filtering plate have corrosion-resistant, high temperature resistant, mechanical strength is high and without the advantage of nuisance stripping, even if under fluid pressure action, micropore is not yielding, easy cleaning, long service life, can not produce secondary pollution.
The filter plate that resin filter plate can be prepared into for micro-porous resin material, micro-porous resin material can be mixed with by certain component by inorganic filler, epoxy resin, curing agent, diluent, matrix reinforcing agent, water and ionic inorganic salts etc. and to form.The preparation technology of resin filter plate is simple, and forming hole method is unique, is convenient to production operation.Meanwhile, cost is lower, not easily aging, resistance to erosion.
Above-mentioned die cap filter plate 114, abutment wall filter plate 122 and core rod filter plate 132 and die cap 110, surrounding abutment wall 120 or core rod 130 are detachable combination, and die cavity 124 hides by die cap filter plate 114, abutment wall filter plate 122 and core rod filter plate 132.But filter plate is not limited thereto kind of a set-up mode, filter plate also can be formed in one with die cap, surrounding abutment wall or core rod, and now, filter plate is arranged on the surface of die cap, surrounding abutment wall or core rod and crucible shaping area opposite segments, adopt such mould not use releasing agent, reduce cost.
The above-mentioned mould preparing silica crucible, comprises die cap, surrounding abutment wall and core rod, and when crucible is shaping, die cap and can surround crucible shaping area between surrounding abutment wall and core rod, first quartz slurry enters crucible shaping area by the sprue gate on die cap.The part that die cap, surrounding abutment wall are relative with crucible shaping area with core rod is respectively arranged with filter plate, and filter plate both can the quick filtering the moisture in slurry, and don't allows the particle in quartz slurry run off.Meanwhile, the inside of die cap, surrounding abutment wall and core rod forms die cavity respectively.When vacuumizing in crucible forming process, die cavity is communicated with vacuum system, each part of mould vacuumizes in respective die cavity, there is no pressure each other, die deformation can not be caused, therefore, above-mentioned prepare silica crucible mould compression strength and filtering accuracy higher, the silica crucible dimensional discrepancy of preparation is little.
The technique of silica crucible prepared by the above-mentioned mould of use as shown in Figure 3, comprises the steps:
The mould of silica crucible is prepared in S10, assembling, mould comprises die cap, surrounding abutment wall and core rod, die cap is provided with the sprue gate be connected with crucible shaping area, die cap and crucible shaping area can be surrounded between surrounding abutment wall and core rod, the part that die cap, surrounding abutment wall are relative with crucible shaping area with core rod is respectively arranged with filter plate, the inside of die cap, surrounding abutment wall and core rod forms die cavity respectively, and die cavity is communicated with crucible shaping area by filter plate.
During assembling, core rod horizontal positioned on the ground, blow off the impurity in forming surface, four abutment walls are installed, lock each abutment wall, mortar leakage prevention.Then die cap is installed, after installing, checks the sealing situation of each sealing surface, ensure the good seal of sealing surface.
S20, quartz slurry is injected the mould assembled, fill hopper and keep certain material level.
The die cap of mould is provided with the sprue gate be connected with crucible shaping area, and sprue gate connects hopper, quartz slurry is slowly injected the mould assembled by hopper.After quartz slurry fills hopper, the material level of hopper no longer changes, then keep this material level.
S30, the die cavity access vacuum system that will be formed on mould, start vacuum system, from quartz slurry, filter the moisture of filter plate in the die cavity of suction strainer mould, until the quartz slurry hardened forming in hopper, close vacuum system, obtain the crucible base substrate after hardened forming.
Vacuum system is provided by sliding vane rotary vacuum pump, and die cavity is connected to knockout drum by vacuum tube.Mould starts vacuum valve after filling slurry, and the valve of vacuum valve carries out adjustment aperture according to the situation of hopper slurry.First, first the moisture in die cavity and air are discharged.Secondly, along with the operation of vacuum system, the bubble in quartz slurry can be drawn out of.Subsequently, the excessive moisture in quartz slurry, can discharge along the pore of filter plate in mould.Along with the moisture in slurry reduces, the quartz slurry contacted with filter plate starts to harden, and the moisture in the middle of quartz slurry continues to supplement from hopper to enter mould.When moisture continues to reduce, until when slurry cannot flow, the crucible base substrate in mould starts global formation.Because the contact surface of filter plate and crucible base substrate is constantly being taken moisture away, under the effect of capillary, the moisture in the middle of crucible base substrate will be made constantly to move to crucible billet surface, finally shaping.
Time shaping, each forming surface vacuumizes in respective vacuum chamber, does not have pressure each other, can not cause die deformation.Mould is filtered into profile and only bears very little pressure, can not produce distortion.Because use vacuum to extract out, the negative pressure that six forming surface are born is very even.
When vacuum system is run, vacuum is-0.05MPa ~-0.08MPa, and the time of suction strainer is 120min ~ 200min.
Also vacuum system can not be used time shaping to carry out suction strainer, superfluous water branch now in quartz slurry slowly discharges along the filter plate in mould, required molding time is longer, due to the existence of excessive moisture, during follow-up drying, moisture evaporation leaves micropore simultaneously, easily cause the silica crucible of final molding more loose, intensity is less.
S40, by die sinking after the natural drying of crucible base substrate, during die sinking, in pipeline, pass into low-pressure air, crucible base substrate and filter plate are departed from.
By in the operation of crucible base substrate natural drying, the temperature of described natural drying is 20 DEG C ~ 25 DEG C, and the time is 200min ~ 300min.
Pass in pipeline in the operation of low-pressure air during die sinking, the pressure of described low-pressure air is 0.1MPa ~ 0.2MPa.
S50, take off core rod, remove surrounding abutment wall, obtain crucible base substrate, after oven dry, crucible base substrate is formed by a firing and obtain silica crucible.
During demoulding core, use driving and rollover stand that mould is sling, anti-turnback, makes core rod upward, then uses core rod hoisting device withdrawing pattern.
Check inner wall of quartz crucible Forming Quality, the four sides abutment wall of form removal tool, obtains crucible base substrate.Now crucible base substrate bottom surface except for the outer, all the other each faces all expose in atmosphere, leave standstill 10h ~ 20h and keep dry, can improve the intensity of crucible like this.
The condition formed by a firing temperature from ambient is risen to 1050 DEG C ~ 1150 DEG C, and temperature retention time is 2h ~ 4h, keeps humidity to be 0 ~ 5%.
Be detailed description of the invention below:
Embodiment 1
The mould of silica crucible is prepared in assembling, and the mould assembled as shown in Figure 4.
Quartz slurry is injected the mould assembled by hopper 200, fill hopper 200 and keep certain material level.
The vacuum tube 300 be arranged on mould is accessed vacuum system, start vacuum system, vacuum is set to-0.05MPa, and the micropore of the moisture in quartz slurry on filter plate enters in the die cavity of mould, and the moisture in die cavity is gone out by suction strainer by vacuum tube 300 subsequently.Use probe to insert hopper every 20min, check the hardenability of quartz slurry, until water the quartz slurry hardened forming in hopper, close vacuum system, stop suction, the suction strainer time is approximately 120min, obtains the crucible base substrate after hardened forming.
Crucible base substrate is placed on natural drying in the environment of 20 DEG C, die sinking after the molding time of maintenance 200min, pass into low-pressure air in pipeline during die sinking, the pressure of low-pressure air is 0.1MPa, and crucible base substrate and filter plate are departed from.
During demoulding core, use driving and rollover stand that mould is sling, anti-turnback, makes core rod upward, then uses core rod hoisting device withdrawing pattern, as shown in Figure 5.Check inner wall of quartz crucible Forming Quality, the four sides abutment wall of form removal tool, obtains crucible base substrate 400.Now crucible base substrate 400 bottom surface except for the outer, all the other each faces all expose in atmosphere, and standing 10h keeps dry, and can improve the intensity of the silica crucible finally prepared like this.
Afterwards crucible base substrate is formed by a firing and obtain silica crucible.The condition of drying and moulding is that temperature from ambient is risen to 1050 DEG C, temperature retention time 2h, keeps humidity to be 0.Then form by a firing in tunnel cave.
Embodiment 2
The mould of silica crucible is prepared in assembling.
Quartz slurry is injected the mould assembled by hopper, fill hopper and keep certain material level.
By the vacuum tube access vacuum system be arranged on mould, start vacuum system, vacuum is set to-0.06MPa, and the micropore of the moisture in quartz slurry on filter plate enters in the die cavity of mould, and the moisture in die cavity is gone out by suction strainer by vacuum tube subsequently.Use probe to insert hopper every 20min, check the hardenability of quartz slurry, until water the quartz slurry hardened forming in hopper, close vacuum system, stop suction, the suction strainer time is approximately 150min, obtains the crucible base substrate after hardened forming.
Crucible base substrate is placed on natural drying in the environment of 23 DEG C, die sinking after the molding time of maintenance 250min, pass into low-pressure air in pipeline during die sinking, the pressure of low-pressure air is 0.15MPa, and crucible base substrate and filter plate are departed from.
During demoulding core, use driving and rollover stand that mould is sling, anti-turnback, makes core rod upward, then uses core rod hoisting device withdrawing pattern.Check inner wall of quartz crucible Forming Quality, the four sides abutment wall of form removal tool, obtains crucible base substrate.Now crucible base substrate bottom surface except for the outer, all the other each faces all expose in atmosphere, and standing 15h keeps dry, and can improve the intensity of the silica crucible finally prepared like this.
Afterwards crucible base substrate is formed by a firing and obtain silica crucible.The condition formed by a firing is that temperature from ambient is risen to 1130 DEG C, temperature retention time 3h, keeps humidity to be 3%.Then form by a firing in tunnel cave.
Embodiment 3
The mould of silica crucible is prepared in assembling.
Quartz slurry is injected the mould assembled by hopper, fill hopper and keep certain material level.
By the vacuum tube access vacuum system be arranged on mould, start vacuum system, vacuum is set to-0.08MPa, and the micropore of the moisture in quartz slurry on filter plate enters in the die cavity of mould, and the moisture in die cavity is gone out by suction strainer by vacuum tube subsequently.Use probe to insert hopper every 20min, check the hardenability of quartz slurry, until water the quartz slurry hardened forming in hopper, close vacuum system, stop suction, the suction strainer time is approximately 200min, obtains the crucible base substrate after hardened forming.
Crucible base substrate is placed on natural drying in the environment of 25 DEG C, die sinking after the molding time of maintenance 300min, pass into low-pressure air in pipeline during die sinking, the pressure of low-pressure air is 0.2MPa, and crucible base substrate and filter plate are departed from.
During demoulding core, use driving and rollover stand that mould is sling, anti-turnback, makes core rod upward, then uses core rod hoisting device withdrawing pattern.Check inner wall of quartz crucible Forming Quality, the four sides abutment wall of form removal tool, obtains crucible base substrate.Now crucible base substrate bottom surface except for the outer, all the other each faces all expose in atmosphere, and standing 20h keeps dry, and can improve the intensity of the silica crucible finally prepared like this.
Afterwards crucible base substrate is formed by a firing and obtain silica crucible.The condition formed by a firing is that temperature from ambient is risen to 1150 DEG C, temperature retention time 4h, keeps humidity to be 0 ~ 5%.Then form by a firing in tunnel cave.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (6)
1. prepare the mould of silica crucible for one kind, it is characterized in that, described mould comprises die cap, surrounding abutment wall and core rod, described die cap is provided with the sprue gate be connected with described crucible shaping area, described die cap and crucible shaping area can be surrounded between described surrounding abutment wall and described core rod, the part that described die cap, described surrounding abutment wall are relative with described crucible shaping area with described core rod is respectively arranged with filter plate, the inside of described die cap, described surrounding abutment wall and described core rod forms die cavity respectively, and described die cavity is communicated with described crucible shaping area by described filter plate.
2. the mould preparing silica crucible according to claim 1, is characterized in that, described filter plate and described die cap, described surrounding abutment wall or described core rod are detachable combination, and described die cavity hides by described filter plate.
3. the mould preparing silica crucible according to claim 1, it is characterized in that, described filter plate and described die cap, described surrounding abutment wall or described core rod are formed in one, and described filter plate is arranged on the surface of described die cap, described surrounding abutment wall or described core rod and described crucible shaping area opposite segments.
4. the mould preparing silica crucible according to claim 1, is characterized in that, described die cavity is hollow sandwich die cavity, and the side of described die cavity is provided with the joint for connecting external pipeline.
5. the mould preparing silica crucible according to claim 1, it is characterized in that, the face that each filter plate described is relative with described crucible shaping area forms the main forming surface in order to shaping crucible, each filter plate described is respectively equipped with the micropore be evenly distributed, die cavity corresponding to crucible shaping area described in the microporous connectivity of each filter plate described and described crucible shaping area.
6. the mould preparing silica crucible according to any one of claim 1,2,3 or 5, it is characterized in that, described mould is metal die, and described filter plate is metal filter plate, ceramic filtering plate or resin filter plate, and described metal filter plate is multilayer stainless steel cloth filter plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420423316.7U CN204019702U (en) | 2014-07-29 | 2014-07-29 | Prepare the mould of silica crucible |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420423316.7U CN204019702U (en) | 2014-07-29 | 2014-07-29 | Prepare the mould of silica crucible |
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| CN204019702U true CN204019702U (en) | 2014-12-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128988A (en) * | 2014-07-29 | 2014-11-05 | 徐州协鑫太阳能材料有限公司 | Mold and process for manufacturing quartz crucible |
| CN106698905A (en) * | 2016-12-29 | 2017-05-24 | 杭州晶鑫科技有限公司 | Method and jig for preventing base angle cracks of square quartz crucible |
| WO2023077978A1 (en) * | 2021-11-05 | 2023-05-11 | 隆基绿能科技股份有限公司 | Water cooling jacket and crucible mold |
-
2014
- 2014-07-29 CN CN201420423316.7U patent/CN204019702U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128988A (en) * | 2014-07-29 | 2014-11-05 | 徐州协鑫太阳能材料有限公司 | Mold and process for manufacturing quartz crucible |
| CN104128988B (en) * | 2014-07-29 | 2016-09-28 | 徐州协鑫太阳能材料有限公司 | Prepare mould and the technique of silica crucible |
| CN106698905A (en) * | 2016-12-29 | 2017-05-24 | 杭州晶鑫科技有限公司 | Method and jig for preventing base angle cracks of square quartz crucible |
| CN106698905B (en) * | 2016-12-29 | 2022-12-23 | 杭州大和江东新材料科技有限公司 | Method and jig for preventing bottom corner of quartz square crucible from cracking |
| WO2023077978A1 (en) * | 2021-11-05 | 2023-05-11 | 隆基绿能科技股份有限公司 | Water cooling jacket and crucible mold |
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Granted publication date: 20141217 Effective date of abandoning: 20160928 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |