A device and method for testing the dissolution performance of gypsum

A gypsum and dissolution technology is applied in the field of devices for testing the dissolution performance of gypsum.

Active Publication Date: 2017-01-04
BEIJING BUILDING MATERIALS ACADEMY OF SCI RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In this method, in order to test the corrosion performance of gypsum in sodium silicate solution, the actual corrosion environment of sodium silicate solution and gypsum is very different, and it cannot effectively simulate the use environment of gypsum; the method mentioned in this method uses a soft brush to brush the four long surfaces 10 times each, this operation step is the most critical link to determine the dissolution rate of the test block, but the size, hardness and strength of the soft brush in this link will have a very obvious impact on the results, resulting in errors in test results Large, poor repeatability

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  • A device and method for testing the dissolution performance of gypsum
  • A device and method for testing the dissolution performance of gypsum
  • A device and method for testing the dissolution performance of gypsum

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Embodiment Construction

[0037] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention.

[0038] In the description of the present invention, unless otherwise stated, the meaning of "plurality" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer" , "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation should therefore not be construed as limiting the invention. In addition, t...

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Abstract

The invention relates to the technical field of chemical equipment, in particular to a device and method for testing the dissolution performance of gypsum. The device includes a base, a spraying device and a control system, the base is equipped with a gypsum test block to be tested, the spraying device is correspondingly arranged above the base, and the control system is used to control the spraying device to output the corrosion solution; the device It can simulate the actual dissolution environment of gypsum, reduce the error caused by human factors, and make the results repeatable; moreover, the gypsum dissolution process is accelerated through the priority design of the inserted test block shape and the control of the dissolution environment, making the whole test process fast ,precise.

Description

technical field [0001] The invention relates to the technical field of chemical equipment, in particular to a device and method for testing the dissolution performance of gypsum. Background technique [0002] At present, gypsum is a widely used industrial material and building material, which can be used in cement retarder, gypsum building products, ceramic molds, medical food additives, sulfuric acid production, paper fillers, paint fillers, etc. Among them, gypsum building products and ceramic molds are widely used at home and abroad because of their many advantages. However, the poor water resistance of gypsum is also one of its important defects, which limits the application range of gypsum products and the service life of ceramic molds to a certain extent. Therefore, the optimization of the water resistance of gypsum is an important direction in the field of gypsum application research. [0003] Gypsum corrosion is the main reason for the poor water resistance of gyps...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N5/04
Inventor 张吉秀段鹏选陈旭峰张晔
Owner BEIJING BUILDING MATERIALS ACADEMY OF SCI RES
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