CN1779881A - Production of solid pump for discharge light with low pressure gas - Google Patents
Production of solid pump for discharge light with low pressure gas Download PDFInfo
- Publication number
- CN1779881A CN1779881A CN 200510100163 CN200510100163A CN1779881A CN 1779881 A CN1779881 A CN 1779881A CN 200510100163 CN200510100163 CN 200510100163 CN 200510100163 A CN200510100163 A CN 200510100163A CN 1779881 A CN1779881 A CN 1779881A
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- mercury
- solid
- low pressure
- pressure gas
- discharge light
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- 239000007787 solid Substances 0.000 title claims abstract description 72
- 238000004519 manufacturing process Methods 0.000 title description 7
- 229910052753 mercury Inorganic materials 0.000 claims abstract description 96
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims abstract description 94
- 238000002156 mixing Methods 0.000 claims abstract description 27
- 229910052797 bismuth Inorganic materials 0.000 claims abstract description 10
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 229910052738 indium Inorganic materials 0.000 claims abstract description 7
- 229910052709 silver Inorganic materials 0.000 claims abstract description 7
- 229910052718 tin Inorganic materials 0.000 claims abstract description 7
- 238000010298 pulverizing process Methods 0.000 claims abstract description 5
- 229910052733 gallium Inorganic materials 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 58
- 239000007789 gas Substances 0.000 claims description 44
- 229910052751 metal Inorganic materials 0.000 claims description 41
- 239000002184 metal Substances 0.000 claims description 41
- 229910000497 Amalgam Inorganic materials 0.000 claims description 35
- 238000002360 preparation method Methods 0.000 claims description 29
- 229910045601 alloy Inorganic materials 0.000 claims description 19
- 239000000956 alloy Substances 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 15
- 238000000465 moulding Methods 0.000 claims description 11
- 229910000645 Hg alloy Inorganic materials 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000007711 solidification Methods 0.000 claims description 8
- 230000008023 solidification Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 150000002739 metals Chemical class 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000000748 compression moulding Methods 0.000 claims description 3
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 3
- 238000005267 amalgamation Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 238000007873 sieving Methods 0.000 abstract description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 18
- 229910052786 argon Inorganic materials 0.000 description 9
- 230000004927 fusion Effects 0.000 description 9
- 239000002245 particle Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910016338 Bi—Sn Inorganic materials 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910016337 Bi—Sn—In Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- -1 fluorescent lamp Chemical compound 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000007537 lampworking Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Powder Metallurgy (AREA)
Abstract
A solid mercury (Hg) used for low-pressure gas discharging lamp is prepared proportionally from Hg and others chosen from Bi, Zn, Sn, Ga, In, Cu and Ag through filling inertial gas or vacuumizing, soildifying, pulverizing, sieving, mixing and shaping.
Description
Technical field
The present invention relates to throw light on and use the preparation method of solid mercury, be specifically related to a kind of preparation method of solid pump for discharge light with low pressure gas.
Background technology
At present at discharge light with low pressure gas with among the preparation technology of amalgam, heating when founding as metal as described in the patent 88104082.7 and mercury is that water or oil carry out insulation blocking, stops the evaporation of mercuryvapour, the amalgam molten mass drips coolant cools through spray again and is shaped.The shortcoming of its existence is: 1, may contain a spot of water or oil in the amalgam, can slow release come out after injecting fluorescent tube, influence the quality of lamp; 2, the difference of each metal proportion can cause the molten mass layering in the amalgam under the molten condition, and heavy mercury easily is deposited on lower floor, makes that composition is inhomogeneous in each amalgam particle; 3, can't guarantee to spray the consistency of dripping particle weight, size and shape behind the cooling forming.4, adopt leaded amalgam to be harmful to environmental protection and health of human body.Shortcomings such as the external molten mass that adopts drips the inert gas cooling forming or adopts the molten atomizing tower cooler to be shaped through spray again, also has the molten mass layering, and composition is inhomogeneous in the amalgam particle, and the consistency of particle weight, size and shape is relatively poor.
Summary of the invention
The objective of the invention is for overcoming above-mentioned deficiency, providing a kind of can carry out accurate microweighing to mercury and make lamp meet the mercury limit standard, and reduce that mercury pollutes environment after to production site and lamp lifetime, lead-free, can regulate mercury vapor pressure according to the working temperature of different lamps and obtain high light output, the preparation method of the better a kind of solid pump for discharge light with low pressure gas of product stability consistency.
The technical scheme that realizes the object of the invention is: the preparation method of solid pump for discharge light with low pressure gas, it is characterized in that: include curing, pulverizing, sub-sieve, batch mixing and molding procedure, described curing, pulverizing, sub-sieve, the full operation of batch mixing and moulding is finished under vacuum or inert gas shielding; Charging into the protective gas amount during curing is 0-0.3MPa; The temperature of heating of solidifying is 70 ℃-300 ℃, and the time is 0.5 hour-8 hours; Gu the material of mercury is at least a alloy or the alloy mixture of forming with mercury in the metals such as Bi, Zn, Sn, Ga, In, Cu, Ag; The solid mercury that lamp works in below 75 ℃ is alloy or the alloy mixture that Bi, Zn, at least a metal of Ga and mercury are formed; It is Bi-Sn-Hg alloy or alloy mixture that lamp works in 40 ℃ to 120 ℃ solid mercury; Gu the weight of mercury accounts for 3% to 50% of solid mercury total weight in the mercury; Described curing comprises melting and solidification, the amalgamation of metal-powder, liquid mercury is become the amalgam or the mercurous mixture of solid forms; Described moulding be with the solid mercury powder after solidifying with mechanical-moulded be graininess.
Advantage of the present invention is: 1, the preparation technology under vacuum, inert gas shielding, not only reduced the pollution of mercury to production site, surrounding environment, and realized anhydrous, do not have oily technology, guarantee not moisture in the solid mercury, oil and other organic substance, help the quality that improves lamp; 2, good technological parameter makes powder after the curing not only have releasing the mercury characteristic but also have good processability and comprising flow behavior and plasticity etc. of requirement; 3, adopt mechanical presses cutting or compression moulding, need not add organic substances such as binding agent lubricant; And carry out and quantitatively annotate powder, guaranteed granular size, shape, weight consistency; 3, use mechanical batch mixing, each component mixes, thereby makes in each particle the component ratio even.4, adopting mercury content 3-20% Main Ingredients and Appearance is the solid mercury of Bi, Sn, Hg, does not contain the outer limiter of the removal of mercury, the solid mercury of Toxic preparation; And make the lamp works temperature range can expand to 40 ℃ to 120 ℃.5, adopt the mixing energy of many component materials according to the working temperature of lamp, the requirement of startability solid mercury adjustment to be obtained better photoelectric parameter more neatly.6, in alloyed powder, add other material and in the mercury vapor pressure-temperature characterisitic that does not change solid mercury, improved the temperature of the complete fusion of solid mercury.7, the disposable qualification rate height of production.8, the production cost is low.
Description of drawings
Fig. 1 is a process route chart of the present invention
Embodiment
Provide specific embodiment below, further describe the present invention.The present invention adopts the strictness under vacuum or inert gas shielding to isolate airtight preparation technology.
Embodiment 1: curing is that two kinds of metal-powders and mercury solidify, batch mixing is to the metal of two kinds of amalgam forms and a kind of metal mixed.With Hg, Zn powder, Bi powder by weight 45: 43: 12 mixed place airtight tank body, vacuumize, charge into 20 holder high-purity argon gas, heat to 180 ℃, be incubated 1.0 hours, make the Zn powder, the Bi powder that contain the amalgam form, add the Ag powder of solid mercury powder weight 1%, fully mix being pressed into cylinder.Should be used for all kinds of exposed fluorescent lamps replacement liquid mercury such as fluorescent lamp, annular daylight lamp, compact fluorescent lamp by solid mercury, the good startability of low temperature with liquid mercury, high-temperature behavior is better than liquid mercury, the lamp working temperature can arrive more than 65 ℃, be higher than the Zn-Hg alloy, can not discharge and residual mercury amount fully in normal working temperature because the adding of Bi has reduced the Zn-Hg alloy.
Embodiment 2: curing is a kind of metal powder, a kind of metal derby and mercury melting and solidification, and batch mixing is that a kind of amalgam is mixed with a kind of metal.Hg, Bi powder, In piece are placed reactor by 6: 63: 31 part by weight mixing, vacuumize, charge into the 0.2MPa high-purity argon gas, heat to 200 ℃, be incubated 2 hours, fusion makes mercurous 6% fusion amalgam, is ground into powder, adds the Ag powder of Bi-In-Hg weight alloy 1%, fully mix, extruding cuts into cylinder, and the temperature of the complete fusion of this solid mercury is than mercurous 6% Bi-In-Hg height, and particle surface is difficult for the mercury that overflows.
Embodiment 3: curing is that a kind of metal alloy powder and mercury solidify, and batch mixing is that a kind of amalgam is mixed.Bi-Sn alloyed powder and mercury mixed placing airtight tank body by 90: 10 part by weight, vacuumize, charge into 100 holder high-purity argon gas, heat to 90 ℃, be incubated 3 hours, make mercurous 10% Bi-Sn-Hg amalgam powder, fully mixing is pressed into spheroid.
Embodiment 4: batch mixing is that the metal of a kind of amalgam with a kind of amalgam form mixed.Bi-In-Hg alloyed powder with mercurous 4% fully mixes in 92: 8 ratio with mercurous 5% the metal Bi powder through the amalgam form of heating cure, is pressed into spheroid.
Embodiment 5: curing is that a kind of metal-powder and mercury solidify, and batch mixing is that the metal to a kind of amalgam form mixes.With high-purity Zn powder, with Hg by weight 55: 45 mixed place airtight tank body, vacuumize, charge into 20 holder high-purity argon gas, heat to 150 ℃, be incubated 1.0 hours, make mercurous 45% solid mercury powder, fully mixing is pressed into spheroid.
Embodiment 6: curing is a kind of metal powder, a kind of metal derby and mercury melting and solidification.With high-purity Zn powder, Ga and Hg by weight 50: 15: 35 mixed place reactor, vacuumize, charge into 20 holder high-purity argon gas, heat to 220 ℃ of fusions, be incubated 4.0 hours, make mercurous 40% solid mercury powder, add the Cu powder of solid mercury powder weight 1%, fully mix, extruding cuts into cylinder.
Embodiment 7: batch mixing is that the metal to a kind of amalgam, a kind of amalgam form mixes with a kind of metal.Bi-In-Hg alloyed powder with mercurous 5% fully mixes in 90: 8: 2 ratio with mercurous 5% metal Bi powder and pure Ag powder through the amalgam form of heating cure, is pressed into spheroid.
Embodiment 8: curing is a kind of metal powder, a kind of metal derby and mercury melting and solidification.With Bi powder, Sn piece by weight 69%: 23% mixed place reactor, vacuumize, charge into the 0.2MPa high-purity argon gas, heat to 250 ℃, be incubated 5 hours, make the Bi-Sn alloy, the Hg that in reactor, adds 8% weight again, the fusion cooling is ground into the Bi-Sn-Hg alloyed powder that contains Hg 8%, fully mixes, and is pressed into spheroid.By reasonable technological parameter control, when this Bi-Sn-Hg alloy worked in 120 ℃, mercury vapor pressure was lower than 3Pa, and lamp can obtain higher light output, and does not contain rare precious metal In, low cost of manufacture in the material.
Embodiment 9: curing is that a kind of metal alloy powder and mercury solidify, and batch mixing is that a kind of amalgam is mixed.With Bi powder, Sn piece, In piece by weight 74: 21: 5 parts mixed place reactor, vacuumize, charge into the 0.2MPa high-purity argon gas, heat to 240 ℃, be incubated 5 hours, fusion cooling is ground into the Bi-Sn-In alloyed powder; Alloyed powder and mercury are mixed placing airtight tank body by 90: 10 part by weight again, vacuumize, charge into 100 holder high-purity argon gas, heat to 70 ℃, be incubated 2 hours, make mercurous 10% Bi-Sn-In-Hg amalgam powder, fully mixing is pressed into spheroid.
Embodiment 10: curing is a kind of metal powder, a kind of metal derby and mercury melting and solidification.With Bi powder, Sn piece, Hg by weight 60: 30: 10 mixed place reactor, vacuumize, charge into the 0.2MPa high-purity argon gas, heat to 240 ℃, be incubated 5 hours, the fusion cooling is ground into the Bi-Sn-Hg alloyed powder, and alloyed powder fully mixes with the part by weight of Zn powder by 95: 5, is pressed into spheroid.
Operating procedure is the first step: liquid mercury is carried out solidification, metal derby or metal powder mixed by a certain percentage with mercury heat, a kind of is that fusion cooling back becomes solid alloy piece or solid alloy powder, and another kind is to heat to generate the metal of mercurous pressed powder or amalgam form.Be solidificated in the airtight container of vacuum, inert gas and carry out, this moment is because the mercury vapor pressure of heating is bigger, but strict closed system, has guaranteed the environmental sanitation of production site.Mercury accounts for the ratio of solid mercury total weight from 3%-50%; charge into difference that protective gas amount, temperature, time need with different product when heating and difference; charge into the protective gas amount from 0-0.3MPa; 70 ℃-300 ℃ of temperature; time is 0.5 hour-8 hours, by control makes intermediate raw material after the curing not only have good releasing the mercury performance but also have to have good flow behavior and shaping characteristic to the comprehensive selection of mercury ratio, temperature time curve, the blowing pressure.Second step: will solidify the mercurous intermediate solid powder in back and sieve, bulky grain is pulverized again, pulverizes the back after sieve; The 3rd step: the powder after sieving is inhomogeneous for avoiding bulky grain to mix with granule, adopts the batch mixer batch mixing, fully mixes.Batch mixing is that the metal of one or more amalgam, one or more amalgam forms and one or more metals are carried out fully mixing of machinery.The 4th step: the powder that mixes is sent into make-up machine, and moulding is by extruding cutting or compression moulding, and the consistency that the powder mode is guaranteed particle weight, composition is adopted quantitatively, intermittently annotates in moulding; Moulding can be made cylinder, spheroid, cube etc. as required, and moulding utilizes the processability moulding under pressure of selected powder itself, does not add organic adhesive or other organic substance.Overall process is carried out in charging into the closed box of inert gas, no mercuryvapour discharging.
Claims (20)
1, the preparation method of solid pump for discharge light with low pressure gas is characterized in that: include curing, pulverizing, sub-sieve, and batch mixing and molding procedure, described curing, pulverizing, sub-sieve, the full operation of batch mixing and moulding is finished under vacuum or inert gas shielding; Charging into the protective gas amount during curing is 0-0.3MPa; The temperature of heating of solidifying is 70 ℃-300 ℃, and the time is 0.5 hour-8 hours; Gu the material of mercury is at least a alloy or the alloy mixture of forming with mercury in the metals such as Bi, Zn, Sn, Ga, In, Cu, Ag; The solid mercury that lamp works in below 75 ℃ is alloy or the alloy mixture that Bi, Zn, at least a metal of Ga and mercury are formed; It is Bi-Sn-Hg alloy or alloy mixture that lamp works in 40 ℃ to 120 ℃ solid mercury; Gu the weight of mercury accounts for 3% to 50% of solid mercury total weight in the mercury; Described curing comprises melting and solidification, the amalgamation of metal-powder, liquid mercury is become the amalgam or the mercurous mixture of solid forms; Described moulding be with the solid mercury powder after solidifying with mechanical-moulded be graininess.
2, the preparation method of solid pump for discharge light with low pressure gas according to claim 1 is characterized in that: described curing is that at least a metal-powder and mercury solidify.
3, the preparation method of solid pump for discharge light with low pressure gas according to claim 1 is characterized in that: described curing is at least a metal powder, metal derby and mercury melting and solidification.
4, the preparation method of solid pump for discharge light with low pressure gas according to claim 1 is characterized in that: described curing is that at least a metal alloy powder and mercury solidify.
5, the preparation method of solid pump for discharge light with low pressure gas according to claim 1 is characterized in that: described batch mixing is that at least a amalgam is mixed.
6, the preparation method of solid pump for discharge light with low pressure gas according to claim 1 is characterized in that: described batch mixing is that the metal of at least a amalgam with at least a amalgam form mixed.
7, the preparation method of solid pump for discharge light with low pressure gas according to claim 1 is characterized in that: described batch mixing is that at least a amalgam is mixed with at least a metal.
8, the preparation method of solid pump for discharge light with low pressure gas according to claim 1 is characterized in that: described batch mixing is that the metal at least a amalgam form mixes.
9, the preparation method of solid pump for discharge light with low pressure gas according to claim 1 is characterized in that: described batch mixing is to the metal of at least a amalgam form and at least a metal mixed.
10, the preparation method of solid pump for discharge light with low pressure gas according to claim 1 is characterized in that: described batch mixing is that the metal at least a amalgam, at least a amalgam form mixes with at least a metal.
11, the preparation method of solid pump for discharge light with low pressure gas according to claim 1, it is characterized in that: described solid mercury is the alloy that Bi-Zn-Hg forms at the solid mercury that discharge light with low pressure gas works in below 75 ℃, and Hg content is than the 25-50% that accounts for solid mercury total weight ratio.
12, the preparation method of solid pump for discharge light with low pressure gas according to claim 1, it is characterized in that: described solid mercury works in the alloy that the solid mercury below 75 ℃ is made up of Zn-Ga-Hg at discharge light with low pressure gas, and Hg content is than the 25-50% that accounts for solid mercury total weight ratio.
13, the preparation method of solid pump for discharge light with low pressure gas according to claim 1, it is characterized in that: described solid mercury is that the alloy of forming with Bi, Zn, at least a metal of Ga and mercury is a main material at the solid mercury that discharge light with low pressure gas works in below 75 ℃, be aided with the alloy that metals such as In, Cu, Ag are formed, the auxiliary material ratio is the 0-15% of solid mercury total weight.
14, the preparation method of solid pump for discharge light with low pressure gas according to claim 1 is characterized in that: described solid mercury works in 40 ℃ of-120 ℃ of scopes at discharge light with low pressure gas, is that to adopt mercury content be that the solid mercury of 3-20% is the Bi-Sn-Hg alloy.
15, the preparation method of solid pump for discharge light with low pressure gas according to claim 1, it is characterized in that: described solid mercury works in 40 ℃ of-120 ℃ of scopes at discharge light with low pressure gas, is that the employing mercury content is the alloy that solid mercury is Bi, Sn, Hg is aided with and Zn, In, metals such as Cu, Ag are formed of 3-20%.
16, the preparation method of solid pump for discharge light with low pressure gas according to claim 1, it is characterized in that: described solid mercury works in 40 ℃ of-120 ℃ of scopes at discharge light with low pressure gas, being that the employing mercury content is the solid mercury of 3-20%, is that the mixture that metals such as Bi-Sn-Hg alloy and Zn, In, Cu, Ag are formed is formed.
17, according to the preparation method of claim 14 or 15 or 16 described solid pump for discharge light with low pressure gas, it is characterized in that: to account for solid mercury total weight ratio be 3-20% to the weight of Hg in the described Bi-Sn-Hg alloy, it is 80-97% that the total weight of Bi, Sn accounts for solid mercury total weight ratio, wherein to account for solid mercury total weight ratio be 12-45% to the weight of Bi, and it is 45-85% that the weight of Sn accounts for solid mercury total weight ratio.
18, according to the preparation method of claim 15 or 16 or 17 described solid pump for discharge light with low pressure gas, it is characterized in that: total interpolation part by weight of auxiliary material such as described Zn, In, Cu, Ag is the 0-20% of Bi, Sn, Hg total weight.
19, the preparation method of solid pump for discharge light with low pressure gas according to claim 1 is characterized in that: described pressure forming is a mechanical compression molding.
20, the preparation method of solid pump for discharge light with low pressure gas according to claim 1 is characterized in that: described pressure forming is the mechanical presses excision forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101001638A CN100570792C (en) | 2005-09-30 | 2005-09-30 | The preparation method of solid pump for discharge light with low pressure gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101001638A CN100570792C (en) | 2005-09-30 | 2005-09-30 | The preparation method of solid pump for discharge light with low pressure gas |
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| Publication Number | Publication Date |
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| CN1779881A true CN1779881A (en) | 2006-05-31 |
| CN100570792C CN100570792C (en) | 2009-12-16 |
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| CNB2005101001638A Expired - Fee Related CN100570792C (en) | 2005-09-30 | 2005-09-30 | The preparation method of solid pump for discharge light with low pressure gas |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101093781B (en) * | 2007-06-29 | 2010-04-14 | 程亚军 | Method for preparing sphere, columnar amalgam in use for fluorescent lamp |
| CN101202190B (en) * | 2006-12-12 | 2010-05-19 | 靖江市天彩新材料有限公司 | Manufacturing process for mercury amalgam |
| CN101638738B (en) * | 2009-08-17 | 2011-01-26 | 何志明 | Optimized indium-sn-bismuth-amalgam |
| CN101638737B (en) * | 2009-08-17 | 2011-01-26 | 何志明 | Indium-sn-bismuth-amalgam used for small tube diameter |
| CN102851516A (en) * | 2012-09-29 | 2013-01-02 | 广东雪莱特光电科技股份有限公司 | Amalgam purifying method and container |
| CN107845563A (en) * | 2017-10-20 | 2018-03-27 | 周琼 | A kind of high-performance mercury dispenser and preparation method thereof |
| CN111265682A (en) * | 2020-02-15 | 2020-06-12 | 何志明 | Space disinfection method and device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5034054A (en) * | 1989-07-03 | 1991-07-23 | Ecoflo, Inc. | Process for treating mercury in preparation for disposal |
-
2005
- 2005-09-30 CN CNB2005101001638A patent/CN100570792C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101202190B (en) * | 2006-12-12 | 2010-05-19 | 靖江市天彩新材料有限公司 | Manufacturing process for mercury amalgam |
| CN101093781B (en) * | 2007-06-29 | 2010-04-14 | 程亚军 | Method for preparing sphere, columnar amalgam in use for fluorescent lamp |
| CN101638738B (en) * | 2009-08-17 | 2011-01-26 | 何志明 | Optimized indium-sn-bismuth-amalgam |
| CN101638737B (en) * | 2009-08-17 | 2011-01-26 | 何志明 | Indium-sn-bismuth-amalgam used for small tube diameter |
| CN102851516A (en) * | 2012-09-29 | 2013-01-02 | 广东雪莱特光电科技股份有限公司 | Amalgam purifying method and container |
| CN102851516B (en) * | 2012-09-29 | 2015-04-01 | 广东雪莱特光电科技股份有限公司 | Amalgam purifying method and container |
| CN107845563A (en) * | 2017-10-20 | 2018-03-27 | 周琼 | A kind of high-performance mercury dispenser and preparation method thereof |
| CN111265682A (en) * | 2020-02-15 | 2020-06-12 | 何志明 | Space disinfection method and device |
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|---|---|
| CN100570792C (en) | 2009-12-16 |
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Assignee: Foshan Ke Wei photoelectric Co., Ltd. Assignor: He Zhiming Contract fulfillment period: 2007.7.31 to 2013.7.31 Contract record no.: 2009440000849 Denomination of invention: Production of solid pump for discharge light with low pressure gas License type: Exclusive license Record date: 2009.7.27 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.7.31 TO 2013.7.31; CHANGE OF CONTRACT Name of requester: FOSHAN COMWIN LIGHT AND ELECTRICITY CO., LTD. Effective date: 20090727 |
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Owner name: FOSHAN COMWIN LIGHT + ELECTRICITY CO., LTD. Free format text: FORMER OWNER: HE ZHIMING Effective date: 20111118 |
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Free format text: CORRECT: ADDRESS; FROM: 528000 FOSHAN, GUANGDONG PROVINCE TO: 528500 FOSHAN, GUANGDONG PROVINCE |
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Effective date of registration: 20111118 Address after: 528500 Guangdong province Foshan Gaoming Cangjiang Industrial Park East Town Road Foshan city seven covey Au Optronics Co Patentee after: Foshan Comwin Light & Electricity Co., Ltd. Address before: 528000 Science Museum, South China Sea, Guicheng, South Hing Road, Foshan, Guangdong province (mailbox ninth, Nanhai, Guangdong, Foshan), three Patentee before: He Zhiming |
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Granted publication date: 20091216 Termination date: 20170930 |
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