CN104498772A - Solid-state antimony-mercury alloy for fluorescent lamps - Google Patents

Abstract

Disclosed solid-state antimony-mercury alloy for fluorescent lamps is composed of the following compositions in percent by weight: 10-30% of Sb, 18-53% of Hg, 20-52% of Zn, and one or two of Sn and Bi. The weight percentage content sum is 100%. The solid-state antimony-mercury alloy for fluorescent lamps overcomes the disadvantages that liquid mercury extremely easily loses and mercury injection amount is not easily accurately controlled in production and usage processes because of liquid mercury employed in the conventional fluorescent lamps, and the solid-state antimony-mercury alloy is capable of providing a mercury vapor pressure similar to that of liquid mercury, and also possesses the climbing characteristic similar to that of liquid mercury. The usage amount of mercury in each lamp tube in a fluorescent lamp can be accurately controlled, and also environmental pollution is obviously reduced, and the solid-state antimony-mercury alloy has extremely good utility and popularization value.

Description

A kind of solid antimony amalgam for fluorescent lamp

technical field

The invention belongs to the technical field of solid mercury, in particular to a solid antimony amalgam for fluorescent lamps.

Background technique

Mercury atoms in the fluorescent lamp are continuously excited from the ground state to the excited state under the action of the electric field, and at the same time return from the excited state to the ground state, and radiate 253.7nm ultraviolet rays, and the fluorescent powder coated on the inner wall of the glass tube absorbs 253.7nm Ultraviolet light converts it into visible light. Fluorescent lamps use liquid mercury, and the obvious disadvantage is that liquid mercury is easily lost during the production and use of fluorescent lamps, resulting in environmental pollution. At the same time, due to the characteristics of liquid mercury, it is difficult to accurately control the amount of mercury injected into each lamp tube.

Contents of the invention

Purpose of the invention: In view of the deficiencies in the prior art, the purpose of the invention is to provide a solid antimony amalgam for fluorescent lamps, which can provide a climbing speed comparable to that of liquid mercury at room temperature.

Technical solution: In order to realize the above-mentioned purpose of the invention, the technical solution adopted in the present invention is:

A solid antimony amalgam for fluorescent lamps, which is composed of the following components in weight percent: 10-30% Sb, 18-53% Hg, 20-52% Zn, one or two of Sn and Bi, each component The sum of weight percentages is 100%.

The solid-state antimony amalgam for fluorescent lamps is preferably composed of the following components in weight percent: 20-30% Sb, 28-53% Hg, 20-45% Sn and Bi or one or both, each component The sum of weight percentages is 100%.

The solid antimony amalgam for fluorescent lamps is preferably composed of the following components in weight percent: 20-28% Sb, 30-50% Hg, 25-40% Sn or Bi, and the sum of the weight percent of each component is 100%.

In the solid antimony amalgam for fluorescent lamps of the present invention, the time difference from cathode glow discharge to thermal electron emission is greatly shortened, thereby accelerating the climbing speed of the lamp tube.

Beneficial effects: Compared with the prior art, the solid antimony amalgam for fluorescent lamps of the present invention overcomes the disadvantages of the existing fluorescent lamps that the liquid mercury is easily lost and the amount of mercury injected is difficult to accurately control during production and use due to the presence of liquid mercury. It can provide a mercury vapor pressure similar to liquid mercury at room temperature, and has a climb characteristic similar to liquid mercury. In fluorescent lamps, the amount of mercury used by each lamp tube can be accurately controlled, and environmental pollution can be significantly reduced, so it has very good practical and popularization value.

Detailed ways

The present invention will be further described below in conjunction with specific examples.

A solid antimony amalgam for fluorescent lamps, the composition of which is shown in Table 1.

Table 1 Composition of solid antimony amalgam for fluorescent lamps

the Sb Hg One or both of Zn, Sn and Bi Product 1 30% 20% 50% Product 2 26% 53% twenty one% Product 3 twenty two% 50% 32% Product 4 18% 40% 42% Product 5 14% 50% 36% Product 6 10% 50% 40% Product 7 18% 50% 32% Product 8 30% 18 52% Product 9 25% 45% 30%

In the product of the present invention, the high content of antimony element is added, so that the compressive capacity of the solid antimony amalgam is greatly improved, from the ordinary compressive capacity of 0.3 kg/cm2 to 0.8 kg/cm2; The melting point can reach above 500°C; at the same time, the addition of high content of antimony element does not affect the release of mercury, and obtains good climbing time and luminous flux.

Taking existing traditional solid mercury (tin mercury) and liquid mercury as contrast, test the climbing time and luminous flux of the solid antimony amalgam for fluorescent lamps of the present invention, the specific data are as shown in table 2, as can be seen, the solid antimony amalgam of the present invention, It overcomes the disadvantage of slow climb of the existing solid mercury, and provides a climb speed comparable to that of liquid mercury. It has very good practical and promotional value.

Table 2 Test results

Claims (3)

1. A solid-state antimony amalgam for fluorescent lamps, characterized in that it is made up of the following components in percentage by weight: 10-30%Sb, 18-53%Hg, one of 20-52%Zn, Sn and Bi Or two, the sum of the weight percentages of each component is 100%. 2. The solid-state antimony amalgam for fluorescent lamps according to claim 1, characterized in that it consists of the following components in percentage by weight: 20-30% Sb, 28-53% Hg, 20-45% Sn and Bi One or two kinds of components, the sum of the weight percentages of each component is 100%. 3. The solid antimony amalgam for fluorescent lamps according to claim 1 or 2, characterized in that it consists of the following components in weight percent: 20-28% Sb, 30-50% Hg, 25-40% Sn or Bi, the sum of the weight percentages of each component is 100%.