Casting method of thermal insulation pipeline
A pipeline and heat insulation technology, which is applied to casting molding equipment, casting molds, casting mold components, etc., can solve the problems of difficult preparation methods and harsh preparation conditions, and achieve the effects of shortening casting time, simple preparation methods, and easy acquisition.
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Embodiment 1
[0026] A method for casting an insulated pipeline, comprising the following steps:
[0027] 1. Take silicon powder, attapulgite, and cross-linked povidone, stir them well, make them into granules, and dry them at low temperature to obtain mixture 1;
[0028] 2. Take aggregate, heating material, thermal insulation material and binder, and mix for 10 minutes to obtain slurry;
[0029] 3. Fill the mixture 1 and the slurry into the pipe mold with a sand shooting machine for forming and demoulding, and the pipe wall thickness is 10mm;
[0030] 4. Put the pipe material after demoulding into a continuous drying kiln, and dry it for 30 minutes at 380°C at a speed of 2cm / s. After curing and drying, clean the corners of the pipe to obtain the finished product.
[0031] The heat insulating pipeline includes the following raw materials in parts by weight: 50 parts of silicon powder, 60 parts of attapulgite, 50 parts of crospovidone, 30 parts of aggregate, 35 parts of heating material, 50...
Embodiment 2
[0040] A method for casting an insulated pipeline, comprising the following steps:
[0041] 1. Take silicon powder, attapulgite, and cross-linked povidone, stir them well, make them into granules, and dry them at low temperature to obtain mixture 1;
[0042] 2. Take aggregate, heating material, thermal insulation material and binder, and mix for 25 minutes to obtain slurry;
[0043] 3. Fill the mixture 1 and the slurry into the pipe mold with a sand shooting machine for forming and demoulding, and the pipe wall thickness is 10mm;
[0044] 4. Put the pipe material after demoulding into a continuous drying kiln, and dry it at 350°C and 2cm / s for 40 minutes. After curing and drying, clean the corners of the pipe to get the finished product.
[0045] The heat insulating pipe includes the following raw materials in parts by weight: 50 parts of silicon powder, 80 parts of attapulgite, 50 parts of crospovidone, 20 parts of aggregate, 45 parts of heating material, 50 parts of thermal...
Embodiment 3
[0054] A method for casting an insulated pipeline, comprising the following steps:
[0055] 1. Take silicon powder, attapulgite, and cross-linked povidone, stir them well, make them into granules, and dry them at low temperature to obtain mixture 1;
[0056] 2. Take aggregate, heating material, thermal insulation material and binder, and mix for 15 minutes to obtain slurry;
[0057] 3. Fill the mixture 1 and the slurry into the pipe mold with a sand shot machine for forming and demoulding, and the pipe wall thickness is 6mm;
[0058] 4. Put the pipe material after demoulding into a continuous drying kiln, and dry it for 30 minutes at 320°C at a speed of 1cm / s. After curing and drying, clean the corners of the pipe to obtain the finished product.
[0059] The heat insulating pipeline includes the following raw materials in parts by weight: 30 parts of silicon powder, 60 parts of attapulgite, 30 parts of crospovidone, 20 parts of aggregate, 35 parts of heating material, 25 part...
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