Zhongyuan Environmental Protection and Zhongyuan Ecological Innovation Center have obtained patents related to sludge disintegration devices. The device allows for uniform flow division of sludge, facilitating microwave disintegration treatment.

On April 3, information from the National Intellectual Property Administration showed that Zhongyuan Environmental Protection Co., Ltd. and Zhongyuan Ecological Environment Technology Innovation Center (Henan) Co., Ltd. have filed a patent titled “A Microwave Impact-Crushing Processing Device for Deep Dewatering and Pretreatment of Sludge.” The authorized announcement publication number is CN224047240U, with the authorization announcement date being March 27, 2026. The application number is CN202520691529.6. The application publication date is March 27, 2026. The application date is April 11, 2025. The inventors are Tan Yunfei, Zhao Yingle, Gao Aihua, Liu Yingxu, Wang Di, Yang Hao, Xu Yupeng, Sun Han, Zhang Xiaowei, Xie Jia, Shi Xiaohui, Dong Guangrui, Huang Zehan, and Mao Di. The patent agent is Zhengzhou Huicheng Zhongyuan Patent Agency Affairs (General Partnership). The patent agent is Gong Lei. The classification number is C02F11/15.

The patent abstract states that this utility model discloses a microwave impact-crushing processing device for deep dewatering and pretreatment of sludge. It includes a crushing and impact-crushing processing box. At the feed end of the crushing and impact-crushing processing box, a feed box is installed. On the inner bottom wall of the feed box, an inclined gradually expanding plate is installed. The discharge end of the feed box extends to the feed end of the crushing and impact-crushing processing box through a flow-guiding box. The inner bottom wall of the crushing and impact-crushing processing box is arranged in an inclined manner, and multiple groups of first baffles are installed on the inner bottom wall, set at equal distances. The beneficial effect of this utility model is as follows: By arranging the inclined gradually expanding plate in the feed box, the incoming sludge mixture can be stabilized and leveled for flow. After the leveled sludge mixture enters the crushing and impact-crushing processing box through the flow-guiding box, the multiple groups of first baffles split the leveled sludge mixture, so that the sludge mixture is evenly divided into multiple groups of uniform small flow streams. As a result, the first microwave generator can uniformly perform impact-crushing processing on the sludge mixture within the sludge channel.

Zhongyuan Environmental Protection was established on October 25, 1996. It was listed on the Shenzhen Stock Exchange on December 8, 1993. Its registered address is located in Zhengzhou, Henan Province, and its office address is also in Zhengzhou, Henan Province. It is a leading company in China’s environmental protection sector, with core businesses covering water services and water treatment, among others. It has advantages across the full industrial chain and its investment value is significant.

The Shenyin & Wanguo industry classification for Zhongyuan Environmental Protection is Environmental Protection - Environmental Governance - Water Services and Water Governance. It involves concept sectors such as Henan state-owned enterprise reform, solid waste treatment, and wastewater treatment. Its main businesses include multiple environmental protection-related activities such as water supply, urban wastewater treatment, rural wastewater governance, sludge disposal, and reclaimed water utilization.

In 2025, Zhongyuan Environmental Protection’s operating revenue reached RMB 5.54 billion, ranking 2nd among 9 companies in the industry, second only to Chongqing Water Affairs’ RMB 7.52B. It is higher than the industry average by RMB 3.33B and higher than the median by RMB 3.67B. In terms of main business segments, wastewater treatment was RMB 2.55B, accounting for 45.94%; ecological environment governance was RMB 2.21B, accounting for 39.80%, etc. Regarding net profit, in 2025 it was RMB 1.1B, ranking 1st in the industry. It is far higher than the 2nd-place company, Chuangye Environmental Protection’s RMB 916M, and higher than the industry average by RMB 0.4 billion and higher than the median by RMB 94.67 million.

The recent patent situation of Zhongyuan Environmental Protection Co., Ltd. is as follows:

Tianyancha data shows that Zhongyuan Ecological Environment Technology Innovation Center (Henan) Co., Ltd. was established on November 14, 2023. The legal representative is Gao Aihua. Its industry is research and experimental development. The company size is micro, with registered capital of RMB 30 million and paid-in capital of RMB 3 million. The registered address is on Floor 12, Unit 1216, No. 6 Caigao Street, Zhengdong New District, Zhengzhou City, Henan Province. Zhongyuan Ecological Environment Technology Innovation Center (Henan) Co., Ltd. has invested in 1 external company, participated in 8 tendering and bidding projects. In terms of property-related leads, it has 1 trademark information item, 25 patent information items, and holds 0 administrative licenses.

The recent patent situation of Zhongyuan Ecological Environment Technology Innovation Center (Henan) Co., Ltd. is as follows:

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