CN108497640B - pearl bleaching process - Google Patents
pearl bleaching process Download PDFInfo
- Publication number
- CN108497640B CN108497640B CN201810262243.0A CN201810262243A CN108497640B CN 108497640 B CN108497640 B CN 108497640B CN 201810262243 A CN201810262243 A CN 201810262243A CN 108497640 B CN108497640 B CN 108497640B
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- bleaching
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- pearl
- pearls
- barrel
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C27/00—Making jewellery or other personal adornments
- A44C27/001—Materials for manufacturing jewellery
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C27/00—Making jewellery or other personal adornments
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Detergent Compositions (AREA)
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Abstract
The invention discloses a pearl bleaching process, which comprises the following steps: a) preparation of bleaching solution: uniformly mixing 30% hydrogen peroxide, acetic acid, methanol, diethyl ether, benzene, sodium bicarbonate, an anticorrosive agent, sodium dodecyl sulfate and triethanolamine, wherein the mass ratio of the components is as follows: 10-15 parts of 30% hydrogen peroxide; 5-10 parts of acetic acid; 300-350 parts of methanol; 3-5 parts of diethyl ether; 3-5 parts of benzene; 0.5-1.5 parts of sodium bicarbonate; 0.3-0.5 part of an auxiliary agent; 0.2-0.6 part of sodium dodecyl sulfate; 1-1.5 parts of triethanolamine; b) pouring the bleaching solution obtained in the step a) into a bleaching device, and then pouring the pearls into the bleaching device for soaking, wherein the bleaching solution is replaced every 40-50 hours for 2-4 times, and the soaking temperature is 20-30 ℃; then washing and drying, compared with the prior art, the pearl bleaching agent has good bleaching effect, reduces the damage of pearls, improves the efficiency and has uniform color and luster.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a pearl bleaching process, and belongs to the technical field of pearl processing.
[ background of the invention ]
The original pearl collected from the pearl shells is cultured, because the body fluid and dirt are attached to the outer surface of the pearl shells, if the pearl is placed for a long time, colloidal calcium carbonate and organic matters on the surface of the pearl are coagulated, the color and luster of the pearl become dark, and the pearl is oxidized and deteriorated to influence the quality, so the pearl is timely treated after being collected, the original pearl needs to be washed → pearl picking → brightening → punching → color separation → pearl boiling → bleaching or dyeing to form a series of fine processing procedures to become an ornament with process value, wherein the bleaching is the most key procedure in a series of processing procedures of the pearl, but the existing bleaching process has an unsatisfactory bleaching effect and is easy to damage the pearl.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a pearl bleaching process which has a good bleaching effect and reduces the damage of pearls.
in order to realize the aim, the invention provides a pearl bleaching process, which comprises the following steps:
a) Preparation of bleaching solution: uniformly mixing 30% hydrogen peroxide, acetic acid, methanol, diethyl ether, benzene, sodium bicarbonate, an auxiliary agent, sodium dodecyl sulfate and triethanolamine, wherein the mass ratio of each component is as follows: 10-15 parts of 30% hydrogen peroxide; 5-10 parts of acetic acid; 300-350 parts of methanol; 3-5 parts of diethyl ether; 3-5 parts of benzene; 0.5-1.5 parts of sodium bicarbonate; 0.3-0.5 part of an auxiliary agent; 0.2-0.6 part of sodium dodecyl sulfate; 1-1.5 parts of triethanolamine;
b) Pouring the bleaching solution obtained in the step a) into a bleaching device, and then pouring the pearls into the bleaching device for soaking, wherein the bleaching solution is replaced every 40-50 hours for 2-4 times, and the soaking temperature is 20-30 ℃; then washing with water and drying.
the bleaching apparatus comprises: the device comprises a heat preservation cabinet, a bleaching barrel, a pump set, a plurality of fluorescent lamps, a collecting box, a feeding port, a discharging port, a material sucking pipe and a cover body, wherein the bleaching barrel is arranged in the heat preservation cabinet, the bottom of the bleaching barrel is in a conical shape, the discharging port is arranged at the lower end of the bottom of the bleaching barrel, a blocking cover in sealing threaded connection is arranged on the discharging port, a cylindrical body with the upper end flush with the upper end of the discharging port is arranged on the inner bottom surface of the blocking cover, an arc-shaped bulge is arranged at the upper end of the cylindrical body, the collecting box is arranged in the upper end of the bleaching barrel, the material sucking pipe is arranged at the rear end of the collecting box, the lower end of the material sucking pipe corresponds to the discharging port, a conical blocking body is arranged at the lower end of the material sucking pipe, a certain gap is reserved between the conical blocking body and, the input end of the pump set is connected with the collection box, the output end of the pump set is connected with the cavity through a pipeline, the lowest part of the pipeline is provided with a liquid discharge port, fluorescent lamps which are uniformly distributed are arranged in the heat preservation cabinet, the upper end of the heat preservation cabinet is provided with a feed inlet which is communicated with the bleaching barrel, the feed inlet is provided with an openable cover body, the collection box comprises a box body, an outlet, a liquid outlet, a filter body, a stop door, a slide rod and a cylinder, the bottom of the box body is in a conical shape, the lower end of the bottom of the box body is provided with the outlet, the stop door is arranged in the outlet, the upper end of the stop door is provided with the slide rod which penetrates through the upper ends of the box body and the heat preservation cabinet, the upper end of the heat preservation cabinet is provided with the cylinder, the piston rod of the cylinder is fixedly connected with the upper end of, the upper end of the box body is arc-shaped.
Preferably, the bleaching solution comprises the following components in percentage by mass: 12 parts of 30% hydrogen peroxide; 8 parts of acetic acid; 350 parts of methanol; 4 parts of diethyl ether; 4 parts of benzene; 1 part of sodium bicarbonate; 0.4 part of an auxiliary agent; 0.3 part of sodium dodecyl sulfate; and 1.2 parts of triethanolamine.
Preferably, the auxiliary agent is an aqueous solution of phytic acid and sodium molybdate, the phytic acid accounts for 0.6 percent by weight, and the sodium molybdate accounts for 0.1 percent by weight.
Preferably, the bleaching solution is replaced every 45 hours, the replacement times are 3 times, and the soaking temperature is 25 ℃.
The invention has the beneficial effects that: the bleaching solution is prepared by uniformly mixing 30% hydrogen peroxide, acetic acid, methanol, diethyl ether, benzene, sodium bicarbonate, an auxiliary agent, sodium dodecyl sulfate and triethanolamine, and a special bleaching device is combined, wherein denatured molecules, pigment molecules, impurity molecules and the like on the surface of the pearl are oxidized into small molecules by the hydrogen peroxide in a short time, the acetic acid consolidates the bleaching effect created by the hydrogen peroxide, the auxiliary agent can ensure the bleaching effect and reduce the damage of the pearl under the condition of reducing the consumption of the hydrogen peroxide, the methanol, the diethyl ether and the benzene enhance the activation capability of the hydrogen peroxide, and the bleaching device can improve the bleaching effect and reduce the bleaching time.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic view of a bleaching apparatus;
Fig. 2 is a schematic view of the construction of the closure.
In the figure: 1-heat preservation cabinet, 2-bleaching cylinder, 3-pump group, 4-fluorescent lamp, 5-collecting box, 6-charging port, 7-discharging port, 8-material suction pipe, 9-cover body, 10-conical baffle body, 11-cavity body, 12-water outlet hole, 13-blocking cover, 14-cylindrical body, 15-arc projection, 16-pipeline, 17-liquid discharge port, 51-box body, 52-outlet, 53-liquid outlet, 54-filter body, 55-blocking door, 56-sliding rod, 57-cylinder and 58-heater.
[ detailed description ] embodiments
Example 1
a) Preparation of bleaching solution: uniformly mixing 30% hydrogen peroxide, acetic acid, methanol, diethyl ether, benzene, sodium bicarbonate, an auxiliary agent, sodium dodecyl sulfate and triethanolamine, wherein the mass ratio of each component is as follows: 10 parts of 30% hydrogen peroxide; 5 parts of acetic acid; 300 parts of methanol; 3 parts of diethyl ether; 3 parts of benzene; 0.5 part of sodium bicarbonate; 0.3 part of an auxiliary agent; 0.2 part of sodium dodecyl sulfate; 1 part of triethanolamine; the auxiliary agent is an aqueous solution of phytic acid and sodium molybdate, wherein the weight percentage of the phytic acid is 0.6 percent, and the weight percentage of the sodium molybdate is 0.1 percent;
b) Pouring the bleaching solution obtained in the step a) into a bleaching device, and then pouring the pearls into the bleaching device for soaking, wherein the bleaching solution is replaced every 40 hours for 4 times, and the soaking temperature is 20 ℃; then washing with water and drying.
Example 2
a) Preparation of bleaching solution: uniformly mixing 30% hydrogen peroxide, acetic acid, methanol, diethyl ether, benzene, sodium bicarbonate, an auxiliary agent, sodium dodecyl sulfate and triethanolamine, wherein the mass ratio of each component is as follows: 12 parts of 30% hydrogen peroxide; 8 parts of acetic acid; 350 parts of methanol; 4 parts of diethyl ether; 4 parts of benzene; 1 part of sodium bicarbonate; 0.4 part of an auxiliary agent; 0.3 part of sodium dodecyl sulfate; 1.2 parts of triethanolamine; the auxiliary agent is an aqueous solution of phytic acid and sodium molybdate, wherein the weight percentage of the phytic acid is 0.6 percent, and the weight percentage of the sodium molybdate is 0.1 percent;
b) Pouring the bleaching solution obtained in the step a) into a bleaching device, and then pouring the pearls into the bleaching device for soaking, wherein the bleaching solution is replaced every 45 hours for 3 times, and the soaking temperature is 28 ℃; then washing with water and drying.
example 3
a) Preparation of bleaching solution: uniformly mixing 30% hydrogen peroxide, acetic acid, methanol, diethyl ether, benzene, sodium bicarbonate, an auxiliary agent, sodium dodecyl sulfate and triethanolamine, wherein the mass ratio of each component is as follows: 15 parts of 30% hydrogen peroxide; 10 parts of acetic acid and 350 parts of methanol; 5 parts of diethyl ether; 5 parts of benzene; 1.5 parts of sodium bicarbonate; 0.5 part of an auxiliary agent; 0.6 part of sodium dodecyl sulfate; 1.5 parts of triethanolamine; the auxiliary agent is an aqueous solution of phytic acid and sodium molybdate, wherein the weight percentage of the phytic acid is 0.6 percent, and the weight percentage of the sodium molybdate is 0.1 percent;
b) Pouring the bleaching solution obtained in the step a) into a bleaching device, and then pouring the pearls into the bleaching device for soaking, wherein the bleaching solution is replaced every 50 hours for 2 times, and the soaking temperature is 30 ℃; then washing with water and drying.
Referring to fig. 1 and 2, the bleaching apparatus includes: the device comprises a heat preservation cabinet 1, a bleaching barrel 2, a pump group 3, a plurality of fluorescent lamps 4, a collection box 5, a feeding port 6, a discharge port 7, a material suction pipe 8 and a cover body 9, wherein the bleaching barrel 2 is arranged in the heat preservation cabinet 1, the bottom of the bleaching barrel 2 is in a conical shape, the lower end of the bottom of the bleaching barrel 2 is provided with the discharge port 7, the discharge port 7 is provided with a blocking cover 13 in sealing threaded connection, the inner bottom surface of the blocking cover 13 is provided with a cylindrical body 14 with the upper end flush with the upper end of the discharge port 7, the upper end of the cylindrical body 14 is provided with an arc-shaped bulge 15, the upper end of the bleaching barrel 2 is provided with the collection box 5, the rear end of the collection box 5 is provided with the material suction pipe 8, the lower end of the material suction pipe 8 corresponds to the discharge port 7, the lower end of the material suction pipe 8 is provided with a conical baffle body 10, the bottom of the bleaching barrel 2 is provided with water outlet holes 12 which are uniformly distributed on the part corresponding to the cavity 11, the input end of the pump unit 3 is connected with a collecting box 5, the output end of the pump unit 3 is connected with the cavity 11 through a pipeline 16, the lowest part of the pipeline 16 is provided with a liquid discharge port 17, fluorescent lamps 4 which are uniformly distributed are arranged in the heat preservation cabinet 1, the upper end of the heat preservation cabinet 1 is provided with a feed port 6 communicated with the bleaching barrel 2, the feed port 6 is provided with an openable cover body 9, the collecting box 5 comprises a box body 51, an outlet 52, a liquid outlet 53, a filter body 54, a baffle door 55, a slide rod 56 and a cylinder 57, the bottom of the box body 51 is in a conical shape, the lower end of the bottom of the box body 51 is provided with the outlet 52, the baffle door 55 is arranged in the outlet 52, the upper end of the baffle door 55 is provided with a slide rod 56 which penetrates through the box body 51 and the upper, the front end of the box body 51 is provided with a liquid outlet 53 connected with the input end of the pump unit 3, the front end of the box body 51 is internally provided with a filter 54, the bottom surface of the box body 51 is provided with a spiral heater 58, and the upper end of the box body 51 is arc-shaped.
in the working process of the bleaching device, the cover body 9 is opened, bleaching liquid and pearls which are heated to a certain temperature are poured into the bleaching barrel 2 from the feeding port 6, the liquid level of the bleaching liquid is higher than the upper end of the collecting box 5, the adding amount of the pearls ensures that a certain space is arranged below the outlet 52, then the fluorescent lamp 4 and the heater 58 for heating the bleaching liquid are opened, after the pearls are soaked for a certain time, the pump unit 3 is started to work, the pearls in the lower end of the bleaching barrel 2 enter the collecting box 5 through the suction pipe 8 under the action of the pump unit 3, when the pearls in the collecting box 5 reach a certain amount, the pump unit 3 is stopped, the piston rod of the cylinder 57 is started to stretch out to drive the baffle door 55 to move downwards, the outlet 52 is opened, the pearls in the collecting box 5 fall into the bleaching barrel 2 from the outlet 52, the position exchange of the pearls in the bleaching barrel 2 is, the bleaching color of the pearl is not uniform, and the bleaching solution can be recycled. The problems that the labor intensity of workers is high and the like because a traditional glass bottle filled with pearls and bleaching liquid needs to be shaken manually at regular intervals are solved, the liquid discharge port 17 is used for discharging liquid in the bleaching barrel 2, and the pearls in the bleaching barrel 2 are discharged from the discharge port 7 after the plugging cover 13 is detached.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (4)
1. A pearl bleaching process is characterized in that: the method comprises the following steps:
a) The bleaching solution is prepared by uniformly mixing 30% hydrogen peroxide, acetic acid, methanol, diethyl ether, benzene, sodium bicarbonate, an auxiliary agent, sodium dodecyl sulfate and triethanolamine, wherein the mass ratio of the components is 10 ~ 15 parts of 30% hydrogen peroxide, 5 ~ 10 parts of acetic acid, 300 ~ 350 parts of methanol, 3 ~ 5 parts of diethyl ether, 3 ~ 5 parts of benzene, 0.5 ~ 1.5.5 parts of sodium bicarbonate, 0.3 ~ 0.5 parts of the auxiliary agent, 0.2 ~ 0.6.6 parts of sodium dodecyl sulfate and 1.5 parts of triethanolamine 1 ~ 1.5;
b) pouring the bleaching solution obtained in the step a) into a bleaching device, then pouring the pearls into the bleaching device for soaking, wherein the bleaching solution is replaced once every 40 ~ 50 hours for 2 times of 2 ~ 4 times, the soaking temperature is 20 ~ 30 ℃, then washing and drying;
The bleaching apparatus comprises: the device comprises a heat preservation cabinet (1), a bleaching barrel (2), a pump set (3), a plurality of fluorescent lamps (4), a collecting box (5), a feeding port (6), a discharging port (7), a material sucking pipe (8) and a cover body (9), wherein the bleaching barrel (2) is arranged in the heat preservation cabinet (1), the bottom of the bleaching barrel (2) is in a conical shape, the discharging port (7) is arranged at the lower end of the bottom of the bleaching barrel (2), a blocking cover (13) in sealing threaded connection is arranged on the discharging port (7), a cylindrical body (14) with the upper end flush with the upper end of the discharging port (7) is arranged on the inner bottom surface of the blocking cover (13), an arc-shaped bulge (15) is arranged at the upper end of the cylindrical body (14), the collecting box (5) is arranged in the upper end of the bleaching barrel (2), the material sucking pipe (8) is arranged at the rear end of the collecting, the lower extreme of inhaling material pipe (8) is equipped with toper fender body (10), leave certain clearance between the bottom of toper fender body (10) and a bleaching section of thick bamboo (2), the bottom lower extreme of a bleaching section of thick bamboo (2) is equipped with cavity (11), be equipped with evenly distributed's apopore (12) on the bottom of a bleaching section of thick bamboo (2) and the part that cavity (11) correspond, the input and the collecting box (5) of pump package (3) are connected, the output of pump package (3) passes through pipeline (16) and is connected with cavity (11), the lowest department of pipeline (16) is equipped with leakage fluid dram (17), be equipped with evenly distributed's fluorescent lamp (4) in heat preservation cabinet (1), the upper end of heat preservation cabinet (1) is equipped with charge door (6) with a bleaching section of thick bamboo (2) intercommunication, be equipped with open closed lid (9) on charge door (6), collecting box (5) include box (51), The pump unit comprises an outlet (52), a liquid outlet (53), a filter body (54), a baffle door (55), a sliding rod (56) and an air cylinder (57), wherein the bottom of the box body (51) is in a conical shape, the outlet (52) is formed in the lower end of the bottom of the box body (51), the baffle door (55) is arranged in the outlet (52), the sliding rod (56) penetrating through the upper ends of the box body (51) and the heat preservation cabinet (1) is arranged at the upper end of the heat preservation cabinet (1), the air cylinder (57) fixedly connected with a piston rod and the upper end of the sliding rod (56) is arranged at the upper end of the heat preservation cabinet (1), the liquid outlet (53) connected with the input end of the pump unit (3) is arranged at the front end of the box body (51), the filter body (54) is arranged in the front end of the box body (51), a spiral heater (58);
In the working process of the bleaching device, the cover body (9) is opened, bleaching liquid and pearls which are heated to a certain temperature are poured into the bleaching barrel (2) from the feeding port (6), the liquid level of the bleaching liquid is higher than the upper end of the collecting box (5), the adding amount of the pearls ensures that a certain space is arranged below the outlet (52), then the fluorescent lamp (4) and the heater (58) for heating the bleaching liquid are opened, after the pearls are soaked for a certain time, the pump set (3) is started to work, the pearls in the lower end of the bleaching barrel (2) enter the collecting box (5) through the material suction pipe (8) under the action of the pump set (3), when the amount of the pearls in the collecting box (5) reaches a certain amount, the pump set (3) is stopped, the piston rod of the cylinder (57) is started to stretch out to drive the baffle door (55) to move downwards, the outlet (52) is opened, the pearls in the, the pearl bleaching device realizes the exchange of the position of the pearl in the bleaching cylinder (2), avoids the uneven pearl bleaching color under the condition of different pressures in the lower part and the upper part of the bleaching cylinder (2), and simultaneously can circulate the bleaching liquid.
2. A pearl bleaching process according to claim 1, wherein: the bleaching solution comprises the following components in percentage by mass: 12 parts of 30% hydrogen peroxide; 8 parts of acetic acid; 350 parts of methanol; 4 parts of diethyl ether; 4 parts of benzene; 1 part of sodium bicarbonate; 0.4 part of an auxiliary agent; 0.3 part of sodium dodecyl sulfate; and 1.2 parts of triethanolamine.
3. a pearl bleaching process according to claim 1, wherein: the auxiliary agent is an aqueous solution of phytic acid and sodium molybdate, wherein the weight percentage of the phytic acid is 0.6 percent, and the weight percentage of the sodium molybdate is 0.1 percent.
4. a pearl bleaching process according to claim 1, wherein: the bleaching solution is replaced every 45 hours, the replacement times are 3 times, and the soaking temperature is 25 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810262243.0A CN108497640B (en) | 2018-03-28 | 2018-03-28 | pearl bleaching process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810262243.0A CN108497640B (en) | 2018-03-28 | 2018-03-28 | pearl bleaching process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108497640A CN108497640A (en) | 2018-09-07 |
| CN108497640B true CN108497640B (en) | 2019-12-10 |
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ID=63378870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810262243.0A Expired - Fee Related CN108497640B (en) | 2018-03-28 | 2018-03-28 | pearl bleaching process |
Country Status (1)
| Country | Link |
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| CN (1) | CN108497640B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111297564B (en) * | 2019-12-16 | 2021-12-24 | 湖南花香实业有限公司 | High-temperature chlorine dioxide sanitary towel bleaching equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3980949B2 (en) * | 2002-06-26 | 2007-09-26 | 株式会社松下パール | Stain-free bleaching method and apparatus for seafood ornaments |
| CN2571218Y (en) * | 2002-09-26 | 2003-09-10 | 阮华君 | Working device for decolorizing and brightening pearl |
| CN100566622C (en) * | 2008-07-02 | 2009-12-09 | 浙江天使之泪珠宝有限公司 | A kind of pearl bleaching process |
| CN202184237U (en) * | 2011-08-04 | 2012-04-11 | 广州市祺福珍珠加工有限公司 | Pearl bleaching device |
| CN205913026U (en) * | 2016-08-01 | 2017-02-01 | 诸暨市银生珍珠养殖有限公司 | Bleaching processingequipment of pearl |
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2018
- 2018-03-28 CN CN201810262243.0A patent/CN108497640B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN108497640A (en) | 2018-09-07 |
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Granted publication date: 20191210 Termination date: 20210328 |