Phosphoric acid production parameter control method based on gradient boosted decision tree

A production parameter and decision tree technology, which is applied in the field of soft measurement of phosphate rock consumption based on gradient lifting decision tree, phosphoric acid production parameter control field based on gradient lifting decision tree, and can solve the problem of unstable phosphate rock loader metering, etc. problem, achieve the effect of reducing training time, ensuring accuracy, and reducing measurement cost

Active Publication Date: 2018-11-23
上海新增鼎数据科技有限公司
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Problems solved by technology

[0004] Another object of the present invention is to provide a method for controlling phosphoric acid production parameters based on a gradient-elevating decision tree, which can be used as a production parame

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  • Phosphoric acid production parameter control method based on gradient boosted decision tree
  • Phosphoric acid production parameter control method based on gradient boosted decision tree
  • Phosphoric acid production parameter control method based on gradient boosted decision tree

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Embodiment Construction

[0051] The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings. Embodiment: A method for controlling phosphoric acid production parameters based on a gradient boosting decision tree, including a method for soft-sensing consumption of phosphate rock and a step for controlling phosphoric acid production parameters.

[0052] like figure 1 As shown, the soft sensing method for phosphate rock consumption based on the gradient boosting decision tree includes the following steps:

[0053] The consumption of phosphate rock powder is not easy to measure directly in the production process of feed grade calcium hydrogen phosphate. Now, the historical data of mineral powder pulping section and phosphoric acid extraction section of a domestic feed grade calcium phosphate production plant are collected as the data source for training models. Through data cleaning and data convers...

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Abstract

The present invention provides a method for software measurement of ground phosphate rock consumption and a phosphoric acid production parameter control method in a feed-grade calcium hydrophosphate production process. The phosphoric acid production parameter control method comprises the steps of: analyzing relevant factors for influencing consumption, based on the method theory of machine learning, transmitting and storing pulp flow real-time data and vitriol flow real-time data automatically collected by an internet-of-things collection device and pulp flow data manually collected by a lab to a cloud platform, allowing a python language-based analysis platform to be directly connected with a database to extract features based on time sequence data to perform analysis and modeling, and establishing a real-time soft measurement technology for the ground phosphate rock consumption to replace a ground phosphate rock physical measurement device with high investment and easy damaging. Theimplementation process of the method mainly comprises the steps of: pulp flow collection, vitriol flow, pulp storage tank intensity, mineral powder consumption historical data, data preprocessing, training of a gradient boosted decision tree (GBDT) regression model, and prediction of the mineral powder consumption to control phosphoric acid for generation of parameters through adoption of the trained GBDT regression model.

Description

technical field [0001] The invention relates to the field of raw material measurement in chemical production, in particular to a method for controlling phosphoric acid production parameters based on a gradient-elevating decision tree in the production process of feed-grade calcium hydrogen phosphate, and also relates to a soft measurement method for phosphate rock powder consumption based on a gradient-elevating decision tree. Background technique [0002] In the production process of feed grade calcium hydrogen phosphate, phosphate rock powder is an important raw material, and the measurement of phosphate rock powder consumption is of great significance to cost control and other business management activities. At present, the measurement of phosphate rock powder consumption in the production process mainly relies on the mineral powder loader to measure when feeding the production line. The measurement equipment has problems such as high cost, high failure rate, and instabili...

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Application Information

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IPC IPC(8): G05B19/418
CPCG05B19/41875G05B2219/32368Y02P90/02
Inventor 邱振鲁沈佳杰刘琼韩彩亮陈宜川
Owner 上海新增鼎数据科技有限公司
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