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Environment protection type of powder for glass etching by chemical

Production technology

 
 
 

It is the high-tech product that our company developed newly that the environmental protection type glass is powder for glass etching by chemical; it adopts the running water to prepare the liquid. To plate glass, daily glass, lamp decoration glass, etc. can product the product result well, it is high-efficient, environmental protection, security, such advantages as easy to operate, each kilogram powder can deal with 15M2(count with the form).

Liquid preparation

This kind of powder pairs of group copies of product, each packaging include A group a copy of 17.5 kilograms, group B is a piece of 7.5 kilograms. While preparing and is covered with the sand liquid, a piece of 7 according to group A, group B is a piece of 3, the proportion of adding 3 pieces of running water is prepared, concrete can consult the proportion of the form.

 
Unit: kgs
Material A 0.7 1.4 3.5 7 14 17.5
Material B 0.3 0.6 1.5 3 6 7.5
Running water 0.3 0.6 1.5 3 6 7.5
 
Put plastic barrel with B group copy A group copy pro rata first when preparing, add running water pro rata and then (prepare with more than 80℃ hot water, can shorten familiar to take time over half), use plastics (or bamboo, wood) excellent to mix to even fully, prepare liquid medicine well is it seal to cover properly, let it naturally familiar to take for 24 hours under room temperature. Prepare newly powder to be liquid relatively thick, temperature drop, after slaking liquid medicine viscidity, temperature can return to normal. The compounding amount should lengthen the familiar time of melting properly greatly and when it is colder).

Process

Prepared liquid fully mixed first, the solid depositing in the container bottom must be stirred, the liquid of suspending until forming a state, is and then soaked the clean glass products in the liquid, quiet to put one about 2 minutes, is it liquid flow back to the barrel to make while being about 5-10 seconds to take out. Using temperature to keep among 10-35℃ of liquid.

Washing and Drying

Let through processed glass products wash or clean spray with running water have to undergo, can also develop with the running water after scrubbing with the soft cloth, the glass products after cleaning can be dried or dried naturally.

Usage and maintenance of the prepared liquid

1. Is it confirming person who adds to come according to amount of production, produce 200M2 about glass each time (basis on single side process), need to add a case of powder. Confirm the way of adding according to the surface of pool liquid while adding: If it is high enough the liquid, add to the pool directly (produce the post addition at that night), fetch liquid is it turn on to come, pour into pool after melt familiarly well, if liquid high enough in pool, adding the concentrate, the concentrate is prepared as follows: 1 case powder +5 kilograms water (best for hot water) or 1 case powder +5 kilograms old liquid, for is it is it had better turn on kind concentrate for future spending first with container to produce in succession to guarantee, It treats to be enough high efficacy of a drug is it put pool into to mend when reducing , need time to be familiar to take like this the liquid, thus avoid stopping production. If produced according to the above method strictly, is the prepared liquid and can be guaranteed to use normally.

2. Because operate improper or other reasons, may cause the prepared liquid and present the following problems,

①The surface of processed glass, have mark of spending (namely not the so-called and dirty), the liquid the sour and on the high side for sand mainly (the getting on the high more side definitely on the high side in powder) cause, cause the reason as follows: The prepared liquid is it stand up to stir fully, bottom is it powder in a large amount to deposit, is it on the low side powder in the liquid to cause, the acid is relatively on the high side. Solution: Mix precipitating and disperse it evenly in cheating the sand liquid.

②It is effectual to be processed but time is long; this is mainly a cause of acid on the high side. Solution: Regulating hydrogen PH among 2-3 through adding the dense sulfuric acid, it is 2.5 to be the best, can't be smaller than 2. Add the method: Generally every 25 kilograms are covered with sand powder and added 0. 5-1 kilograms of dense sulfuric acids, is 0 with the volume of the tank. 4-0. 8M3; come it count, need it for 14-28 kilograms. Add the step: Add 14 kilograms of dense sulfuric acids and mix and is prepared liquid evenly first, examine hydrogen PH, if already on the normal range, stop adding, on the contrary, add 2 kilograms of dense sulfuric acids each time according to this method again, until PH being on the normal range.

③The glass surface is very difficult to dust or be totally covered with the sand, it is possible as follows,

a. The acid is too low; PH is greater than more than 4. Press ② Method it can be solve it.
b. The acid is in normal, the getting less too in powder. Add and powder in a large amount, make it look thick enough to liquid. (Whether can with newly opened liquid contrast, should have more brilliant form thing among liquid generally)
c. Sour and all scarce powder, covered with the sand liquid and looked like the white milk form, can not see the brilliant form thing. Solution: Is it powder in a large amount to add, is it adds strong sulfuric acid to complement, is it covers with consistency and acidity, liquid all on the normal range to make. The adding amount of dense sulfuric acid is generally complemented with 0 for every case powder. 5-1 kilograms.

Packaging and quality guarantee period

Packaging: 25 kilograms of cartons pack the damp proof plastic bag of inside lining. (Include A group copies of 17 inside. 5 kilograms; one of group B is 7. 5 kilograms)

Quality guarantee period: Two years