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Automatic control device and method for water bloom biology regeneration of water glass used sand

An automatic control device and bio-regeneration technology, which is applied in the direction of manufacturing tools, casting molding equipment, cleaning/processing machinery of casting materials, etc., can solve the problem of low recycling rate of water glass old sand, and achieve favorable growth Effects of reproduction, shortened processing time, and low processing cost

Inactive Publication Date: 2018-04-13
WUHAN TEXTILE UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the application of water glass in casting has this important defect: the recycling rate of water glass old sand is low

Method used

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  • Automatic control device and method for water bloom biology regeneration of water glass used sand
  • Automatic control device and method for water bloom biology regeneration of water glass used sand

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as figure 1 Shown, a kind of water glass old sand water bloom biological regeneration automatic control device, comprises incubator 1, is placed with culture medium in described incubator 1, and described culture medium is used for carrying out microalgae cultivation, also includes water glass old sand , in this embodiment, the old water glass sand and microalgae are all placed in the incubator, wherein the old water glass sand is at the bottom of the incubator, and the microalgae is located in the upper layer of the incubator, and a water level is also provided in the incubator 1 The sensor 2 and the water inlet and outlet device 3, the water level sensor 2 and the water inlet and outlet device 3 are all connected to the controller, the water level sensor 2 is used to detect the water level of the culture medium in the incubator 1, and the water inlet and outlet device 3 is used for cultivating Tank 1 is filled with water or pumped. In this embodiment, the preset ...

Embodiment 2

[0037] Such as figure 2 Shown, a kind of water glass old sand water bloom biological regeneration automatic control device comprises an incubator 1, a culture medium is placed in the incubator 1, a partition 11 is arranged in the incubator 1, and the partition 11 The incubator 1 is divided into a plurality of compartments, wherein some compartments are used for microalgae cultivation, which are microalgae cultivation pools, and some compartments are used to place the old sand of water glass, which is the old sand pool of water glass. The box microalgae culture tanks and the water glass old sand tanks are arranged in a staggered manner, and there are passages between the bottom of the partition 11 and the incubator 1, and the culture medium between different compartments can be communicated with each other through the passages.

[0038] In the present embodiment, the outer wall of the incubator 1 is 7 centimeters, the height of the culture medium in the incubator is 5 centimet...

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Abstract

The invention relates to an automatic control device and method for water bloom biology regeneration of water glass used sand. The automatic control device comprises an incubator which is internally provided with a culture medium and the water glass used sand, and the incubator is used for microalgae culture. The incubator is further internally provided with a water level sensor, an illumination sensor, a temperature sensor, a PH sensor, a concentration sensor and a growth environment adjusting and control device, and all the sensors and the environmental adjusting and control device are connected with a controller. Residual binders on the surface of the water glass used sand are consumed through suspended microalgae which easily causes water blooms, degradation and transfer of water glassare achieved through biology dissolution promoting, the water glass and the used sand can be both recycled, and the multiple advantages of environment protection, low treatment cost and the like areachieved; and the environment conditions such as the water level, temperature, illumination, PH and concentration of the culture medium and the microalgae growth state are monitored and controlled, sothat a microalgae community is in the suitable growth environment, the growth and reproduction of the microalgae community are facilitated, the absorption rate of the microalgae community to the water glass is increased, and the treatment time for the water glass used sand is greatly shortened.

Description

technical field [0001] The invention relates to the field of recovery and regeneration of metal casting materials, in particular to an automatic control device and method for biological regeneration of water glass old sand blooms. Background technique [0002] Water glass (sodium silicate) is the most successful inorganic chemical binder at present, and it is harmless to human body for long-term use. Water glass sand molding, cheap price, good fluidity, fast hardening, high dimensional accuracy of mold (core), no irritating smell or toxic gas, and no black pollution in the process of sand mixing, molding, pouring and sand falling . The water glass sand process has been widely used since it was introduced into my country by the Soviet Union in the 1960s. At present, about 70% of the steel castings in China have adopted the water glass sand casting process. [0003] However, the application of water glass in casting has this important defect: the recycling rate of water glas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C5/00
CPCB22C5/00
Inventor 汪华方徐雨哲冯浩文孙洁段凌陈卓卢记军龚文邦
Owner WUHAN TEXTILE UNIV