A system for comprehensive utilization of heat from a phosphoric acid concentration device

What is AI technical title?
AI technical title is built by Patsnap AI team. It summarizes the technical point description of the patent document.
By constructing a comprehensive heat utilization system for the phosphoric acid concentration device and using components such as inlet and outlet heat exchangers to achieve heat gradient recovery, the problem of heat waste in the phosphoric acid concentration process is solved, and the economy and energy utilization efficiency are improved.

CN119185973BActive Publication Date: 2025-09-05EAST CHINA ENGINEERING SCIENCE AND TECHNOLOGY CO LTD

2 Cites 1 Cited by

Patent Information

Application Number: CN202411570525.9
Authority / Receiving Office: CN · China
Patent Type: Patents(China)
Current Assignee / Owner
Filing Date: 2024-11-04
Publication Date: 2025-09-05
Estimated Expiration: 2044-11-04

Application Information

Patent Timeline

04 Nov 2024

Application

CN202411570525.9

05 Sep 2025

Publication

CN119185973B

IPC: B01D1/26; B01D1/30; B01D1/00

CPC: B01D1/26; B01D1/30; B01D1/0082; B01D1/0011; Y02P20/10

Get more patent work done with AI

Run novelty searches—or use them for FTO, design risk, drafting and technical problem-solving.

AI Tagging

Application Domain

Evaporator accessories Chemical industry

Technology Topics

O-Phosphoric Acid Process engineering

Explore More Agents

Novelty Search
Search existing technologies and assess novelty
↗
FTO
Analyze whether a product may infringe others' patents
↗
Design FTO
Check prior-design risk for exterior design
↗
Drafting
Draft patent application text based on a technical solution
↗
Find Solutions with TRIZ
Generate feasible solution to solve your technical challenge
↗
IP MCP Servers
Connect trusted patent search and cited evidence to Claude, Cursor or your own AI workflow
↗

AI Technical Summary

Technical Problem

In the existing phosphoric acid preparation process, the heat of the concentration process is not reasonably utilized, resulting in energy waste and increased steam consumption.

Method used

The system, consisting of inlet and outlet heat exchangers, raw acid preheaters, first and second stage evaporation separators, and evaporators, achieves heat recovery and recycling in the phosphoric acid concentration process by utilizing heat gradients.

Benefits of technology

It reduces steam consumption, improves the economy of the device, and realizes efficient and rational use of heat.

✦ Generated by Eureka AI based on patent content.

Patent Text Reader

Abstract

The present invention relates to the technical field of phosphoric acid solution concentration, and in particular to a system for comprehensive heat utilization in a phosphoric acid concentration device, comprising: an inlet and outlet heat exchanger; a raw acid preheater; a first-stage evaporation separator; a first-stage circulation pump; a first-stage evaporator; a gas-liquid separator; a second-stage evaporator; a second-stage evaporation separator; and a second-stage circulation pump, with defined connections between the various devices. The present invention utilizes an inlet and outlet heat exchanger to eliminate the need for circulating water for cooling finished phosphoric acid, making heat utilization in the concentration process more efficient and reasonable, thereby increasing the economic efficiency of the device. In the present invention, the various devices can effectively cooperate, effectively and reasonably utilizing the heat in the concentration process, reducing steam consumption and increasing the economic efficiency of the device.

Need to check novelty before this filing date? Find Prior Art