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High-temperature combined type flange

A combination and flange technology, applied in coatings, fireproof coatings, polycarbonate coatings, etc., can solve the problems of not having high temperature resistance, easy deformation, etc.

Inactive Publication Date: 2017-05-31
苏州富艾姆工业设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Flanges, also known as flange flanges or flanges, are parts that are connected to each other between pipes. They are used for connection between pipe ends, and are also useful for flanges on equipment inlets. The connection between equipment, such as reducer flange, etc., flange connection or flange joint refers to the detachable connection of flange, gasket and bolt as a group of combined sealing structure. Refers to the flange used for piping in the pipeline installation. When used on equipment, it refers to the inlet and outlet flanges of the equipment. There are holes on the flange, and the bolts make the two flanges tightly connected. The gasket is used to seal the flanges. The flanges are connected by threads. There are many types of flanges, welding flanges and clip flanges. At present, the existing flanges do not have the characteristics of high temperature resistance and are easily deformed at high temperatures.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] This embodiment provides a high-temperature combined flange, the surface of the flange is coated with a protective layer, and the protective layer includes the following components in parts by mass:

[0025] Zircon powder: 10 parts, diatomaceous earth: 15 parts, isopropanol: 20 parts, polyvinyl acetate emulsion: 20 parts, acrylic resin: 30 parts, polypropylene carbonate diol: 10 parts, 1,4 Butylene glycol: 10 parts, ammonium polyphosphate: 8 parts, formaldehyde: 1 part, triphenyl phosphate: 7 parts, modified polyamide curing agent: 14 parts, silane coupling agent: 10 parts.

[0026] Polypropylene carbonate diol is polypropylene carbonate diol after purification, and the purification method concrete operation of polypropylene carbonate diol is as follows:

[0027] Dehydrate the organic solvent with 5A molecular sieve for 5-7 days for later use;

[0028] Add polypropylene carbonate diol, organic solvent and catalyst capture agent to a 250mm three-neck flask at room t...

Embodiment 2

[0034] This embodiment provides a high-temperature combined flange, the surface of the flange is coated with a protective layer, and the protective layer includes the following components in parts by mass:

[0035] Zircon powder: 15 parts, diatomaceous earth: 18 parts, isopropyl alcohol: 25 parts, polyvinyl acetate emulsion: 40 parts, acrylic resin: 40 parts, polypropylene carbonate diol: 15 parts, 1,4 Butylene glycol: 15 parts, ammonium polyphosphate: 10 parts, formaldehyde: 3 parts, triphenyl phosphate: 15 parts, modified polyamide curing agent: 20 parts, silane coupling agent: 15 parts.

[0036] Polypropylene carbonate diol is polypropylene carbonate diol after purification, and the purification method concrete operation of polypropylene carbonate diol is as follows:

[0037] Dehydrate the organic solvent with 5A molecular sieve for 5-7 days for later use;

[0038] Add polypropylene carbonate diol, organic solvent and catalyst capture agent to a 250mm three-necked flas...

Embodiment 3

[0044] This embodiment provides a high-temperature combined flange, the surface of the flange is coated with a protective layer, and the protective layer includes the following components in parts by mass:

[0045] Zircon powder: 13 parts, diatomaceous earth: 16 parts, isopropyl alcohol: 23 parts, polyvinyl acetate emulsion: 30 parts, acrylic resin: 35 parts, polypropylene carbonate diol: 13 parts, 1,4 Butylene glycol: 13 parts, ammonium polyphosphate: 9 parts, formaldehyde: 2 parts, triphenyl phosphate: 11 parts, modified polyamide curing agent: 17 parts, silane coupling agent: 13 parts.

[0046] Polypropylene carbonate diol is polypropylene carbonate diol after purification, and the purification method concrete operation of polypropylene carbonate diol is as follows:

[0047] Dehydrate the organic solvent with 5A molecular sieve for 5-7 days for later use;

[0048] Add polypropylene carbonate diol, organic solvent and catalyst capture agent to a 250mm three-necked flask, ...

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PUM

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Abstract

The invention discloses a high-temperature combined type flange. A protective layer is coated on the surface of the flange and comprises the following components in parts by mass: 10-15 parts of zircon powder, 15-18 parts of diatomite, 20-25 parts of isopropanol, 20-40 parts of polyvinyl acetate emulsion, 30-40 parts of acrylic resin, 10-15 parts of polypropylene carbonate glycol, 10-15 parts of 1,4-butanediol, 8-10 parts of ammonium polyphosphate, 1-3 parts of formaldehyde, 7-15 parts of triphenyl phosphate, 14-20 parts of a modified polyamide curing agent, and 10-15 parts of a silane coupling agent. The flange has relatively high temperature resistance and long service life.

Description

technical field [0001] The invention relates to a flange, in particular to a high-temperature combined flange. Background technique [0002] Flanges, also known as flange flanges or flanges, are parts that are connected to each other between pipes. They are used for connection between pipe ends, and are also useful for flanges on equipment inlets. The connection between equipment, such as reducer flange, etc., flange connection or flange joint refers to the detachable connection of flange, gasket and bolt as a group of combined sealing structure. Refers to the flange used for piping in the pipeline installation. When used on equipment, it refers to the inlet and outlet flanges of the equipment. There are holes on the flange, and the bolts make the two flanges tightly connected. The gasket is used to seal the flanges. The flanges are connected by threads. There are many types of flanges, welding flanges and clamping flanges. At present, the existing flanges do not have the c...

Claims

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Application Information

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IPC IPC(8): C09D131/04C09D133/00C09D169/00C09D7/12
CPCC09D131/04C08L2201/08C08L2205/035C09D5/18C09D7/61C09D7/63C09D133/00C08L31/04C08L69/00C08L77/00C08K13/02C08K3/346C08K2003/2244C08K3/36C08K5/05C08K5/053C08K2003/323C08K5/523C08K5/54C08L33/00
Inventor 翁华明
Owner 苏州富艾姆工业设备有限公司
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