Title:
PYROMELLITIC DIANHYDRIDE OXIDATION WASTEWATER RECYCLING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/266937
Kind Code:
A1
Abstract:
A pyromellitic dianhydride oxidation wastewater recycling device, comprising a treatment box, a crystallization box arranged on one side of a partition plate, and a filter box arranged on the other side of the partition plate. A medicine delivery assembly is arranged on the upper side surface of the crystallization box; a hierarchical filtering assembly is arranged in the filter box; the medicine delivery assembly comprises a crankshaft; the crankshaft is rotatably provided in a support box; one end of the crankshaft is hingedly connected to a connecting rod; the connecting rod is hingedly connected to a lug plate; a guide column is slidably arranged in a guide sleeve; the guide sleeve is embedded on an inner surface of an adjustment groove; a pushrod is provided on the other end of the guide column; one end of the pushrod is connected to an adjustment block; the adjustment block is slidably arranged in the adjustment groove; a carrier plate is arranged at the bottom of the adjustment block; a vertical water pipe is arranged at the bottom of the carrier plate; a flow splitting pipe is arranged at the bottom of the vertical water pipe; the flow splitting pipe is provided with a spray nozzle; the vertical water pipe is connected to a medicine storage box by means of a water conveying hose. According to the utility model, a crystallizing agent can be uniformly conveyed into the wastewater, the crystallization efficiency of the wastewater is improved, multi-stage filtration can be performed on the wastewater, and the wastewater treatment effect is improved.
Inventors:
TAN YONG (CN)
Application Number:
PCT/CN2021/102106
Publication Date:
December 29, 2022
Filing Date:
June 24, 2021
Export Citation:
Assignee:
PENGCHEN NEW MATERIAL TECH CO LTD (CN)
International Classes:
C02F9/04
Foreign References:
| EP3611135A1 | 2020-02-19 | |||
| CN210438517U | 2020-05-01 | |||
| CN211733953U | 2020-10-23 | |||
| CN213506079U | 2021-06-22 |
Attorney, Agent or Firm:
BEIJING LINKAW PATENT AGENCY (GENERAL PARTNERSHIP) (CN)
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