阅读说明：本技术 一种将四氧化三铅进行富氧氧化的装置及工艺 (Device and process for carrying out oxygen-enriched oxidation on lead tetraoxide ) 是由 宋慧林 刘春红 于 2020-06-29 设计创作，主要内容包括：本发明提供了一种将四氧化三铅进行富氧氧化的装置及工艺,所述装置包括烧结移动床和连接在烧结移动床侧面的烧结炉,所述烧结移动床的上端内设有入料口,所述烧结移动床的下端内设有出料口,所述烧结炉远离烧结移动床的端部设有管道且管道上连接有混合室,所述混合箱的侧面分别设有空气进管和氧气进管,所述氧气进管上连接有储氧箱,所述储氧箱的一侧连接有进氧管,所述空气进管和氧气进管上均设有调压阀,所述储氧箱的外侧设有气压测试仪,所述混合箱的外侧设有测氧仪。本发明提供的一种将四氧化三铅进行富氧氧化的装置及工艺,缩短氧化时间,提高了产能,提高所制电子产品的成品率,次品率大大降低。(The invention provides a device and a process for carrying out oxygen-enriched oxidation on lead tetraoxide, wherein the device comprises a sintering moving bed and a sintering furnace connected to the side surface of the sintering moving bed, a feeding port is arranged in the upper end of the sintering moving bed, a discharging port is arranged in the lower end of the sintering moving bed, a pipeline is arranged at the end part, far away from the sintering moving bed, of the sintering furnace, a mixing chamber is connected onto the pipeline, an air inlet pipe and an oxygen inlet pipe are respectively arranged on the side surface of the mixing box, an oxygen storage box is connected onto the oxygen inlet pipe, an oxygen inlet pipe is connected to one side of the oxygen storage box, pressure regulating valves are respectively arranged on the air inlet pipe and the oxygen inlet pipe, an air pressure tester is arranged on the outer side of the oxygen storage box, and an oxygen tester is. The device and the process for carrying out oxygen-enriched oxidation on the lead tetraoxide provided by the invention shorten the oxidation time, improve the productivity, improve the yield of the manufactured electronic products and greatly reduce the defective rate.)

1. A device for carrying out oxygen-enriched oxidation on lead tetraoxide comprises a sintering moving bed (1) and a sintering furnace (2) connected to the side face of the sintering moving bed (1), and is characterized in that a feeding port (3) is arranged in the upper end of the sintering moving bed (1), a discharging port (4) is arranged in the lower end of the sintering moving bed (1), a pipeline (5) is arranged at the end part, far away from the sintering moving bed (1), of the sintering furnace (2), a mixing chamber (6) is connected onto the pipeline (5), an air inlet pipe (7) and an oxygen inlet pipe (8) are respectively arranged on the side face of the mixing chamber (6), an oxygen storage tank (9) is connected onto the oxygen inlet pipe (8), an oxygen inlet pipe (10) is connected onto one side of the oxygen storage tank (9), pressure regulating valves (11) are respectively arranged on the air inlet pipe (7) and the oxygen inlet pipe (8), and an air pressure tester (12) is arranged on the outer side of the oxygen storage, and an oxygen measuring instrument (13) is arranged on the outer side of the mixing box (6).

2. An apparatus for the oxygen-rich oxidation of lead tetraoxide according to claim 1, wherein: diffusion fans (14) are arranged in the oxygen storage box (9) and the mixing box (6).

3. An apparatus for the oxygen-rich oxidation of lead tetraoxide according to claim 1, wherein: valves (15) are arranged on the pipeline (5) and the oxygen inlet pipe (10).

4. A process applied to a device for carrying out oxygen-enriched oxidation on lead tetraoxide is characterized by comprising the following steps: the method comprises the following steps:

1) firstly, pure oxygen enters an oxygen storage box under the pressure of 8-10Mpa, a diffusion fan in the oxygen storage box rotates at the rotating speed of 80-100r/min, the pure oxygen is rapidly diffused, and when the pressure in the oxygen storage box reaches 0.5-0.6Mpa, an oxygen inlet pipe is closed;

2) adjusting the pressure of the pressure regulating valves to make the pressure of the oxygen consistent with the pressure of the air, mixing the oxygen and the air in a mixing box, rotating a diffusion fan in the mixing box at a rotating speed of 80-100r/min, and closing the two pressure regulating valves when the reading of an oxygen meter is displayed at 40-45%;

3) opening a valve on a pipeline, allowing the mixed gas to enter a sintering furnace and heating to 380-;

4) and (3) oxidizing the lead tetraoxide by the oxidation reaction of the first temperature zone, the second temperature zone and the third temperature zone, discharging from a discharge port, cooling and collecting.

Technical Field

The invention relates to the field of oxidation of lead tetraoxide, in particular to a device and a process for carrying out oxygen-enriched oxidation on lead tetraoxide.

Background

The tetrapolylead oxide is commonly called as red lead and red lead. Can be used for products such as storage batteries, glass, pottery, enamel, antirust paint and the like; as analytical reagents, paint pigments and raw materials for glass; can be widely used for antirust paint. It is also used for manufacturing optical glass, general glass, ceramic glaze, enamel and piezoelectric elements. Can be used as an oxidant for dyes and other organic syntheses. In addition, the composition is also applied to coloring of rubber, storage batteries, medicines, synthetic resins, and the like. (ii) a An inorganic red pigment. The coating industry is used for manufacturing antirust paint and steel protective coating, and the antirust performance is good. The vitreous enamel industry is used in the manufacture of enamel and optical glass. The ceramic industry is used to make ceramic glazes. The electronics industry is used to fabricate piezoelectric elements. The battery industry is used in the production of secondary batteries. The mechanical industry is used for metal grinding. The organic chemistry industry is used to make dyes and other organic synthetic oxidants. Can be used for coloring rubber. The pharmaceutical industry is used for the manufacture of ointments, plasters, etc. (ii) a Used as the raw material of analytical reagent, paint pigment and glass. The coating industry is used for manufacturing antirust paint and steel protective coating, and the antirust performance is good.

At present, air is directly introduced during the oxidation of the lead tetraoxide, the oxygen content in the air is about 21 percent, the content is low, the product oxidation amount of the lead tetraoxide is generally 95 to 97 percent, the product oxidation amount can be improved by improving the oxygen content, but equipment can be burnt out if the oxygen content is high, and meanwhile, the reaction product is changed into aluminum oxide and is discarded.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a device and a process for carrying out oxygen-enriched oxidation on lead tetraoxide, wherein the device has the advantages of simple structure, convenience in operation, capability of improving the oxygen content in gas and convenience in popularization.

In order to achieve the purpose of the invention, the invention adopts the technical scheme that:

the utility model provides a device that carries out oxygen boosting oxidation with lead tetroxide, includes the sintering moving bed and connects the fritting furnace in sintering moving bed side, be equipped with the pan feeding mouth in sintering moving bed's the upper end, be equipped with the discharge gate in sintering moving bed's the lower extreme, the tip that sintering furnace kept away from sintering moving bed is equipped with the pipeline and is connected with the mixing chamber on the pipeline, the side of mixing box is equipped with air inlet pipe and oxygen inlet pipe respectively, be connected with the oxygen storage box on the oxygen inlet pipe, one side of oxygen storage box is connected with the oxygen inlet pipe, all be equipped with the air-vent valve on air inlet pipe and the oxygen inlet pipe, the outside of oxygen storage box is equipped with the atmospheric pressure tester, the outside of mixing box is equipped with the oxygen tester.

As an improvement, diffusion fans are arranged in the oxygen storage tank and the mixing tank.

As an improvement, valves are arranged on the pipeline and the oxygen inlet pipe.

A process applied to a device for carrying out oxygen-enriched oxidation on the lead tetraoxide comprises the following steps:

1) firstly, pure oxygen enters an oxygen storage box under the pressure of 8-10Mpa, a diffusion fan in the oxygen storage box rotates at the rotating speed of 80-100r/min, the pure oxygen is rapidly diffused, and when the pressure in the oxygen storage box reaches 0.5-0.6Mpa, an oxygen inlet pipe is closed;

2) adjusting the pressure of the pressure regulating valves to make the pressure of the oxygen consistent with the pressure of the air, mixing the oxygen and the air in a mixing box, rotating a diffusion fan in the mixing box at a rotating speed of 80-100r/min, and closing the two pressure regulating valves when the reading of an oxygen meter is displayed at 40-45%;

3) opening a valve on a pipeline, allowing the mixed gas to enter a sintering furnace and heating to 380-;

4) and (3) oxidizing the lead tetraoxide by the oxidation reaction of the first temperature zone, the second temperature zone and the third temperature zone, discharging from a discharge port, cooling and collecting.

The invention has the beneficial effects that:

the high-pressure pure oxygen mixing device is simple in structure and convenient in process implementation, the pressure of pure sunlight can be guaranteed not to be too high by performing first pressure reduction on the entering high-pressure pure oxygen through the oxygen storage tank, the pressure regulating valve can regulate the pressure of the pure oxygen and the pressure of air entering the mixing tank to be consistent, one gas can be prevented from entering the mixing tank, the diffusion fan can facilitate gas diffusion, the pure oxygen and the air are mixed, the oxygen content can be improved, the oxygen content of the mixed gas can be observed through the oxygen meter, the product oxidation amount can be improved by improving the oxygen content, the oxidation time is shortened, the productivity is improved, the yield of manufactured electronic products is improved, and the defective rate is greatly reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

reference symbol comparison table:

1-sintering moving bed, 2-sintering furnace, 3-feeding port, 4-discharging port, 5-pipeline, 6-mixing chamber, 7-air inlet pipe, 8-oxygen inlet pipe, 9-oxygen storage tank, 10-oxygen inlet pipe, 11-pressure regulating valve, 12-air pressure tester, 13-oxygen tester, 14-diffusion fan and 15-valve.

Detailed Description

The following further describes embodiments of the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals.

It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

In order to make the content of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.