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Wet-type water meter

A wet-type water meter and watch case technology, which is used in instruments, manufacturing tools, liquid/fluid solid measurement, etc., can solve the problems of large temperature difference between cold and hot, easy to break, and large pressure of glass on the water surface. Improved mechanical strength, impact resistance and high temperature resistance

Active Publication Date: 2017-05-31
临沂瑞新水表有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the defects in the prior art such as the high pressure of the water surface panel glass or the large temperature difference between cold and hot, which is easy to break, and to provide a wet water meter with a glass panel

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A wet water meter comprises a case and a panel glass on the upper part of the case, the panel glass is prepared from the following raw materials in parts by weight:

[0019] 1 part of cryolite, 1 part of potassium permanganate, 2 parts of flux, 2 parts of zinc oxide, 2 parts of antimony oxide, 3 parts of kaolin, 3 parts of fluorite, 5 parts of calcite, 8 parts of boron oxide, 10 parts of soda ash, quartz 60 parts of sand;

[0020] The preparation process of the panel glass comprises the following steps:

[0021] Step 1) Put the dolomite into the calcination furnace for calcination, the calcination temperature is 600°C, the calcination time is 10min, take it out, cool it, and then mix it with potassium hexafluoroantimonate, cerium oxide and sodium peroxodisulfate according to the ratio of 10:2:1:1 The mass ratio is mixed evenly, and then ground into a fine powder with a particle size of 200 meshes to obtain the flux;

[0022] Step 2) Add cryolite, calcite and fluorite ...

Embodiment 2

[0027] A wet water meter comprises a case and a panel glass on the upper part of the case, the panel glass is prepared from the following raw materials in parts by weight:

[0028] 2 parts of cryolite, 2 parts of potassium permanganate, 3 parts of flux, 3 parts of zinc oxide, 3 parts of antimony oxide, 5 parts of kaolin, 5 parts of fluorite, 7 parts of calcite, 15 parts of boron oxide, 17 parts of soda ash, quartz Sand 100 parts.

[0029] Step 1) Put the dolomite into the calcination furnace for calcination, the calcination temperature is 600°C, the calcination time is 10min, take it out, cool it, and then mix it with potassium hexafluoroantimonate, cerium oxide and sodium peroxodisulfate according to the ratio of 10:2:1:1 The mass ratio is mixed evenly, and then ground into a fine powder with a particle size of 200 meshes to obtain the flux;

[0030] Step 2) Add cryolite, calcite and fluorite to the crusher in turn for crushing, and then grind to obtain a powder with a parti...

Embodiment 3

[0035] For the performance test of the panel glass of the present invention, take the 3mm thickness glass prepared in Example 1-2 as an example, see Table 1 for details:

[0036] Table 1

[0037] group Internal pressure resistance Mpa Visible light transmittance% Flexural strength MPa Example 1 5.9 99.1 12.8 Example 2 5.6 99.2 11.3

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Abstract

The invention belongs to the technical field of instruments and meters, and discloses a wet-type water meter comprising a meter shell and cover glass on the top of the meter shell, wherein the cover glass is prepared from the following raw materials: cryolite, potassium permanganate, flux, zinc oxide, antimony oxide, kaolin, fluorite, calcite, boron oxide, soda ash, and quartz sand. The cover glass of the wet-type water meter in the invention is reasonable in compatibility, and such indices as rupture strength, compression resistance, and light transmittance are all greatly improved.

Description

technical field [0001] The invention belongs to the technical field of instruments and meters, and in particular relates to a wet water meter. Background technique [0002] A wet water meter is a water meter with a counter immersed in water. The glass on the watch is subjected to water pressure. The transmission of the sensor and the counter is a gear linkage. The existing wet water meter is mainly composed of a watch case, a metering part installed in the watch case, an impeller part, and a master-slave transmission magnet. The chamber of the component and the impeller component are installed in the water flow chamber. After all the components are installed, the space in the watch case is basically fixed, that is, its volume remains unchanged. This constant volume is convenient for water meter measurement and installation, but When the outside temperature is lower than zero degrees Celsius, the accumulated water in the watch case is easy to freeze and expand, which will pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C3/115C03C3/078C03B19/02C03C21/00G01F15/14
CPCC03B19/02C03C3/078C03C3/115C03C21/001C03C21/002G01F15/14
Inventor 尹梦珍杨昆徐怀洪
Owner 临沂瑞新水表有限公司
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