CN100441346C - Drop nozzle of meter regulator for processing metal grains - Google Patents
Drop nozzle of meter regulator for processing metal grains Download PDFInfo
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- CN100441346C CN100441346C CNB2005100431893A CN200510043189A CN100441346C CN 100441346 C CN100441346 C CN 100441346C CN B2005100431893 A CNB2005100431893 A CN B2005100431893A CN 200510043189 A CN200510043189 A CN 200510043189A CN 100441346 C CN100441346 C CN 100441346C
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- hole
- nozzle body
- drop nozzle
- trapezoidal
- drop
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Abstract
The present invention discloses a drop nozzle of a meter regulator for processing metal grains. The drop nozzle of a meter regulator is composed of a drop nozzle body and a plug matched with the drop nozzle body. The drop nozzle body and the plug are combined together. The drop nozzle body forms a cylinder shape, and screw threads are arranged on the external diameter of the drop nozzle body. A trapezoid hole for placing the plug is arranged at the center of the drop nozzle body. A through hole is arranged on the small end of the trapezoid hole. The trapezoid hole and the through hole pass through the drop nozzle body. The plug forms a trapezoid cylinder shape, and a straight hole with the diameter smaller than the diameter of the through hole in the drop nozzle body is arranged at the center of the plug. The straight hole is communicated with the through hole. The drop nozzle body and the plug are made of ceramics containing raw material with the following weight percentage: 68% to 78% of SiO2, 20 to 30 % of Al2O3 and Fe2 O3, ZrO2, MgO and Ce2O3 with residues which are not zero. The present invention has the advantages of high intensity, good stiffness, abrasive resistance and corrosion resistance and long service life and has no break during replacement. The operating rate of a production line for processing the metal grains can be enhanced, and the processing cost of the metal grains can be reduced. After molten metal flows through the drop nozzle of the meter regulator, smooth and discontinuous flow can be realized. Thus, the processed metal grains are even.
Description
Technical field
The invention belongs to the metallic particles processing technique field, relate to a kind of drop nozzle of meter regulator that is used for processing metal grains.
Background technology
Development of modern industry requires more and more higher to plate property, not only the favorable mechanical performance will be arranged, and also good corrosion resisting property will be arranged.Consider from material itself as single, any material that possesses good corrosion resisting property and mechanical performance simultaneously, the cost height is difficult to be widely used.Coated layer steel plate great advantage is to have good corrosion resistance, generally than high several times to tens times of common cold-rolled carbon steel plate atmospheric corrosion resistance, has good formability and japanning property in addition.Therefore this series products is all greatly developed in countries in the world, have in addition account for cold-reduced sheet output 50%, account for 10% of output of steel.Plated steel sheet and ferrostan are the principal item in the coated layer product, and whole world ferrostan production capacity surpasses 3,000 ten thousand tons at present, and plated steel sheet production is above 2,000 ten thousand tons.In the manufacturing of plated steel sheet and ferrostan, coating is by electrochemical method, the zinc ion in the plating bath or tin ion is reduced form on steel plate.In order to improve the uniformity of coating, the additional of zinc ion or tin ion is to realize by adding zinc granule or tin grain in the plating bath.
The manufacture method of zinc granule (or tin grain) is at first zinc ingot metal (or tin slab) to be fused into zinc liquid (or tin liquor) in heating furnace; zinc liquid (or tin liquor) is under inert gas shielding; drop nozzle of meter regulator through the control flow drops on the chill roll; because the quick conductive of chill roll; the zinc liquid (or tin liquor) that drops on the chill roll through drip nozzle has become zinc granule (or tin grain) rapidly, the zinc granule (or tin grain) that final acquisition has definite shape and size.
The drop nozzle of meter regulator of control flow mainly adopts the graphite manufacturing during existing manufacturing zinc granule (or tin grain), and the endoporus of drip nozzle is measure-alike up and down, when zinc liquid (or tin liquor) is flowed through the drip nozzle endoporus, if hole dimension is less than normal in the drip nozzle, because capillary effect, zinc liquid (or tin liquor) flows very slow, can not continuous-flow, zinc granule (or the tin grain) size that obtains is inhomogeneous, and sometimes even stop up endoporus, zinc granule (or tin grain) working (machining) efficiency is low.If hole dimension is bigger than normal in the drip nozzle, zinc liquid (or tin liquor) flows fast, connects being aligned when mobile, and the zinc granule of Huo Deing (or tin grain) size is inhomogeneous at last, even strings.In addition, the graphite manufacturing of existing drip nozzle, easily oxidation, intensity, hardness are low, and the endoporus quick abrasion is changed frequently, and easy fracture when changing has reduced zinc granule (or tin grain) working (machining) efficiency, has improved the processing cost of zinc granule (or tin grain).Chinese patent CN2135153 has reported a kind of capacity analysis titrator that is suitable for the capacity analysis titration, form by body, vertical rod, solenoid valve box, buret and pipe clamp, be characterized in being provided with in the solenoid valve box silicone tube, its top is communicated with buret, the bottom is communicated with drip nozzle, and is realized soon, dripped slowly by two solenoid control.Magnetic valve is the depression bar switching regulator, and depression bar is supported by a bolster, and an end is provided with back-moving spring, and the other end is by the magnet control adhesive, and is provided with vernier knob.This titrator adopts solenoid control to realize soon, drip slowly, complicated operation, and also stabilization of equipment performance is relatively poor.During especially for zinc liquid (or tin liquor) titration, seriously corroded.
Summary of the invention
At defective or deficiency that above-mentioned prior art exists, the object of the invention is to provide a kind of drop nozzle of meter regulator that is used for processing metal grains, this drop nozzle of meter regulator reasonable in design, manufacturing and easy for installation, wearability and corrosion resistance are good, and long service life is during processing zinc granule (or tin grain), zinc liquid (or tin liquor) neither can stop, stop up, can not string yet, use the present invention and process zinc granule (or tin grain), efficient height, cost is low, and product size is even, regular shape.
The object of the present invention is achieved like this: a kind of drop nozzle of meter regulator that is used for processing metal grains, and this drop nozzle of meter regulator is combined by drip nozzle body and stopper two parts of cooperating with the drip nozzle body;
The profile of drip nozzle body is a cylinder, and external diameter is provided with screw thread, and there is the trapezoidal hole of placing stopper at its center, at the small end place of trapezoidal hole one through hole is arranged, and trapezoidal hole and through hole run through the drip nozzle body;
The profile of stopper is trapezoidal cylinder, and there is the straight hole of diameter less than the through hole in the drip nozzle body at the center, and straight hole and through hole are communicated with;
It is characterized in that the material of described drip nozzle body and stopper is a pottery, this pottery contains following raw materials by weight percent: SiO
2, 68%～78%, Al
2O
3, 20%～30%, surplus is Fe
2O
3, ZrO
2, MgO and Ce
2O
3, and surplus all is not 0; Fe wherein
2O
3Less than 1.5% of total amount, ZrO
2Less than 1.0% of total amount, MgO is less than 1.0% of total amount, Ce
2O
3Less than 0.4% of total amount.
Drop nozzle of meter regulator of the present invention is owing to adopt ceramic material, its hardness and intensity height, and toughness, wearability and corrosion resistance are good, and long service life does not rupture during replacing.
The present invention compared with prior art behind molten metal (zinc liquid or the tin liquor) drop nozzle of meter regulator of flowing through, can realize steadily, intermittently flow, and uses the zinc granule (or tin grain) of the present invention's processing, uniform particles, dimensionally stable.The hardness of drip nozzle of the present invention and intensity height in addition, toughness, wearability and corrosion resistance are good, and long service life does not rupture during replacing, can improve the production line operation rate of processing zinc granule (or tin grain), reduces the processing cost of zinc granule (or tin grain).
Description of drawings
Fig. 1 is a structure chart of the present invention;
Fig. 2 is this drip nozzle bulk junction composition; Wherein scheme b) be that figure A a) is to view;
Fig. 3 is this plug structure figure.
The present invention is further illustrated below in conjunction with embodiment that accompanying drawing and inventor provide.
The specific embodiment
Referring to accompanying drawing 1～3, this drop nozzle of meter regulator of the present invention is combined by drip nozzle body 1 and stopper 2 two parts.The profile of drip nozzle body 1 is a cylinder, and external diameter is provided with screw thread, and there is the trapezoidal taper hole 3 of placing stopper 2 at its center, at the small end place of trapezoidal taper hole 3 through hole 4 is arranged, and trapezoidal taper hole 3 and through hole 4 run through drip nozzle body 1;
The profile of stopper 2 is trapezoidal cylinder, and there is the straight hole 5 of diameter less than the through hole in the drip nozzle body 14 at the center, and straight hole 5 and through hole 4 are communicated with.
Its preparation method is, have a trapezoidal hole 3 in an end of drip nozzle body 1, the length of body 1 is h1, and the length of trapezoidal hole 3 is h2, trapezoidal taper hole 3 outside diameters are φ 1, the end diameter of trapezoidal taper hole 3 is φ 2, φ 1＞φ 2, and φ 1=(1.2～1.5) φ 2, and open a through hole 4 at the small end place of the trapezoidal hole 3 of drip nozzle body 1, hole 4 diameters are φ 3, φ 3＜φ 2, and φ 2=(1.5～2.4) φ 3.
Drip nozzle body 1 and stopper 2 all adopt hardness and intensity height, the ceramic material manufacturing that toughness, wearability and corrosion resistance are good.This pottery contains following raw materials by weight percent: SiO
2, 68%～78%, Al
2O
3, 20%～30%, surplus is Fe
2O
3, ZrO
2, MgO and Ce
2O
3, and all be not 0; Fe wherein
2O
3Less than 1.5% of total amount, ZrO
2Less than 1.0% of total amount, MgO is less than 1.0% of total amount, Ce
2O
3Less than 0.4% of total amount.
The trapezoidal hole of the present invention's design and the main purpose of trapezoidal stopper are to guarantee that stopper 2 and drip nozzle body 1 in conjunction with closely, prevent that metal liquid is along stopper 2 effusions.Through hole 4 diameters are decided by zinc granule (or tin grain) size, greater than the size of the straight hole in the trapezoidal stopper 5.Because the diameter of straight hole 5 less than the diameter of through hole 4, makes the flow of straight hole 5 in the unit interval less than the flow of through hole 4, the vacuum of generation certain volume trapezoidal hole 3 in like this.Because the existence of vacuum in the trapezoidal hole 3, under the effect of stove inner metal liquid pressure, even the diameter of straight hole 5 is less, metal liquid stream can not stop up when straight hole 5 yet.Simultaneously since the diameter of through hole 4 greater than the diameter of straight hole 5, make in the hole 4 molten metal realized steadily, interrupted mobile, the molten drop of the through hole 4 of flowing through can obtain evengranular zinc granule (or tin grain) on chill roll.
Embodiment 1:
Referring to accompanying drawing 1～3, the present invention is made up of drip nozzle body 1 and stopper 2, drip nozzle body length h1 is 32mm, (its big end is φ 1 to open a trapezoidal hole 3 in the drip nozzle body, small end is φ 2), trapezoidal hole 3 length h2 are 25mm, in the trapezoidal hole 3, φ 1 is of a size of φ 8mm, and φ 2 is of a size of φ 6mm, below trapezoidal hole 3, opening a through hole 4 (φ 3), φ 3 is of a size of φ 3mm, simultaneously trapezoidal hole 3 be provided with one with the identical trapezoidal stopper 2 of trapezoidal taper hole 3 taperings, the length h3 of trapezoidal stopper 2 is 12mm, opened a straight hole 5 (φ 4) in trapezoidal stopper 2, φ 4 is of a size of φ 2mm.
The drip nozzle body of present embodiment and stopper adopt ceramic material, and its raw material is composed as follows: SiO
2, 72.14%, Al
2O
3, 24.93%, Fe
2O
3, 1.33%, ZrO
2, 0.85%, MgO, 0.47%, Ce
2O
3, 0.28%, sintering temperature is 1290 ℃, and the ceramic hardness of acquisition is 82.7HRA, and tensile strength reaches 138MPa, and impact flexibility is 2.68kJ/m
2, wearability and corrosion resistance are good, and long service life does not rupture during replacing.Because the improvement of drop nozzle of meter regulator makes the operating rate of zinc granule machining production line improve 5.3%.
With the drip nozzle processing zinc granule of present embodiment, the zinc granule uniform particles of acquisition, zinc liquid flows steadily in the zinc granule processing, and cutout and clogging do not occur, and the phenomenon that does not also have zinc granule to string occurs.
Embodiment 2:
Referring to accompanying drawing 1～3, the present invention is made up of drip nozzle body 1 and stopper 2, drip nozzle body length h1 is 38mm, (its big end is φ 1 to open a trapezoidal taper hole 3 in the drip nozzle body, small end is φ 2), trapezoidal taper hole 3 length h2 are 30mm, in the trapezoidal taper hole 3, the size of φ 1 is φ 10mm, and the size of φ 2 is φ 8mm, below trapezoidal hole 3, opened a through hole 4 (φ 3), φ 3 is of a size of φ 3.5mm, in trapezoidal taper hole 3, be provided with simultaneously one with the identical trapezoidal stopper 2 of trapezoidal taper hole 3 taperings, the length h3 of trapezoidal stopper 2 is 14mm, opened a straight hole 5 in trapezoidal stopper 2, its endoporus φ 4 is of a size of φ 2.6mm.
The drip nozzle body of present embodiment and stopper adopt the ceramic material manufacturing, and it is composed as follows: SiO
2, 69.10%, Al
2O
3, 28.52%, Fe
2O
3, 1.02%, ZrO
2, 0.38%, MgO, 0.67%, Ce
2O
3, 0.31%, sintering temperature is 1315 ℃, and the ceramic hardness of acquisition is 84.1HRA, and tensile strength reaches 132MPa, and impact flexibility is 2.51kJ/m
2, wearability and corrosion resistance are good, and long service life does not rupture during replacing.Because the improvement of drop nozzle of meter regulator makes the operating rate of tin grain machining production line improve 4.8%.
With the drip nozzle processing tin grain of present embodiment, the tin grain uniform particles of acquisition, tin liquor flows steadily in the processing of tin grain, does not stop and clogging, and the phenomenon that does not also have the tin grain to string occurs.
Claims (4)
1. drop nozzle of meter regulator that is used for processing metal grains, this drop nozzle of meter regulator is combined by drip nozzle body (1) and stopper (2) two parts of cooperating with drip nozzle body (1);
The profile of drip nozzle body (1) is a cylinder, and external diameter is provided with screw thread, and there is the trapezoidal taper hole (3) of placement stopper (2) at its center, at the small end place of trapezoidal taper hole (3) through hole (4) is arranged, and trapezoidal taper hole (3) and through hole (4) run through drip nozzle body (1);
The profile of stopper (2) is trapezoidal cone, and there is the straight hole (5) of diameter less than the through hole (4) in the drip nozzle body (1) at the center, and straight hole (5) and through hole (4) are communicated with;
It is characterized in that the material of described drip nozzle body (1) and stopper (2) is a pottery, this pottery contains following raw materials by weight percent: SiO
2, 68%～78%, Al
2O
3, 20%～30%, surplus is Fe
2O
3, ZrO
2, MgO and Ce
2O
3, and all be not 0; Fe wherein
2O
3Less than 1.5% of total amount, ZrO
2Less than 1.0% of total amount, MgO is less than 1.0% of total amount, Ce
2O
3Less than 0.4% of total amount.
2. drop nozzle of meter regulator as claimed in claim 1 is characterized in that, the length of described trapezoidal hole (3) is h2, and the length of trapezoidal stopper (2) is h3, and h3＜h2, wherein h2=(2.0～3.0) h3.
3. drop nozzle of meter regulator as claimed in claim 1 is characterized in that, the outside diameter of the trapezoidal taper hole (3) of drip nozzle body (1) is φ 1, and end diameter is φ 2, and φ 1=(1.2～1.5) φ 2;
The diameter of through hole (4) is φ 3 in the drip nozzle body (1), and φ 2=(1.5～2.4) φ 3;
The diameter of straight hole (5) is φ 4 in the stopper (2), and φ 3=(1.1～1.6) φ 4.
4. drop nozzle of meter regulator as claimed in claim 1 is characterized in that, the sintering temperature of described ceramic material is between 1260 ℃～1320 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100431893A CN100441346C (en) | 2005-09-05 | 2005-09-05 | Drop nozzle of meter regulator for processing metal grains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100431893A CN100441346C (en) | 2005-09-05 | 2005-09-05 | Drop nozzle of meter regulator for processing metal grains |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1730206A CN1730206A (en) | 2006-02-08 |
| CN100441346C true CN100441346C (en) | 2008-12-10 |
Family
ID=35962646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100431893A Expired - Fee Related CN100441346C (en) | 2005-09-05 | 2005-09-05 | Drop nozzle of meter regulator for processing metal grains |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100441346C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100402201C (en) * | 2006-05-08 | 2008-07-16 | 西安交通大学 | Short technological process of preparing metal grains |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57192204A (en) * | 1981-05-20 | 1982-11-26 | Nippon Mining Co Ltd | Manufacturing apparatus of zinc shot spheres |
| JPS6263602A (en) * | 1985-09-12 | 1987-03-20 | Dowa Mining Co Ltd | Production of spherical zinc grain |
| CN1431073A (en) * | 2003-01-16 | 2003-07-23 | 重庆工学院 | Method for preparing granules of nonoxidation stannic balls and forming machine used |
-
2005
- 2005-09-05 CN CNB2005100431893A patent/CN100441346C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57192204A (en) * | 1981-05-20 | 1982-11-26 | Nippon Mining Co Ltd | Manufacturing apparatus of zinc shot spheres |
| JPS6263602A (en) * | 1985-09-12 | 1987-03-20 | Dowa Mining Co Ltd | Production of spherical zinc grain |
| CN1431073A (en) * | 2003-01-16 | 2003-07-23 | 重庆工学院 | Method for preparing granules of nonoxidation stannic balls and forming machine used |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1730206A (en) | 2006-02-08 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081210 Termination date: 20110905 |