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Treatment system for produced water of methanol alkene-production device

A methanol-to-olefins and treatment system technology, applied in the field of water treatment, can solve problems such as equipment blockage, achieve the effects of improving quality, ensuring long-term operation, and reducing oil content and catalyst content

Active Publication Date: 2019-01-15
湖南泰山石环境科技有限公司 +1
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  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the above technical problems, this application provides a methanol-to-olefins plant water treatment system, which can effectively solve the problem of equipment blockage, and at the same time reduce the oil content and catalyst content of the device's external drainage, and improve the quality of the external drainage

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  • Treatment system for produced water of methanol alkene-production device

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Embodiment Construction

[0028] In order to enable those skilled in the art to better understand the technical solution in the application, the technical solution in the embodiment of the application will be clearly and completely described below, obviously, the described embodiment is only a part of the embodiment of the application , but not all examples. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0029] It should be noted that when an element is referred to as being "fixed" or "disposed on" another element, it may be directly disposed on another element or indirectly disposed on another element; when an element is referred to as being "connected" It may be directly connected to another element or indirectly connected to another element.

[0030] It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "l...

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Abstract

The invention discloses a treatment system for produced water of a methanol alkene-production device. Compared with the prior art, the treatment system comprises a first oil-water-solid treatment device, a second oil-water-solid treatment device and a third oil-water-solid treatment device, wherein the first oil-water-solid treatment device is connected with a quenching tower of the methanol alkene-production device and is used for separating oil and a catalyst in water pumped out from the bottom of the quenching tower and carrying out classified treatment and output; the second oil-water-solid treatment device is connected with the bottom of a water scrubbing tower of the methanol alkene-production device and is used for separating oil and a catalyst in water pumped out from the bottom ofthe water scrubbing tower and carrying out classified treatment and output; the third oil-water-solid treatment device is connected with the top of the water scrubbing tower of the methanol alkene-production device and is used for separating oil and a catalyst in tower top circulating water and carrying out classified treatment and output. According to the treatment system for the produced waterof the methanol alkene-production device, provided by the invention, the content of the oil and the catalyst in a water production system in the methanol alkene-production device can be greatly lowered, the problem of blockage during the operation of the device is systematically solved, meanwhile, the oil content and catalyst content of outside drainage of the device can be lowered, and the quality of the outside drainage is remarkably improved.

Description

technical field [0001] The present application relates to the technical field of water treatment, and more specifically, to a water treatment system for a methanol-to-olefins plant. Background technique [0002] At present, there are frequent equipment blockages in the operation of the quenching separation system of the methanol-to-olefins unit, which affects the smooth operation of the equipment, and the external drainage of the equipment contains oil, and the COD value is high, making it difficult to meet environmental protection standards. In the prior art, the solutions adopted at home and abroad include cyclone separation technology, filtration technology, and solvent extraction technology. Both the cyclone separation technology and the filtration technology have the problem of clogging of the separation equipment itself and frequent backwashing, and the separated oil components are still collected in the drainage outside the device, and the drainage outside the device ...

Claims

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Application Information

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IPC IPC(8): C02F9/04
CPCC02F9/00C02F1/24C02F1/40C02F1/38C02F1/52C02F2209/105C02F2209/08C02F2201/007C02F11/12C02F2303/14C02F2301/08
Inventor 刘强王光华
Owner 湖南泰山石环境科技有限公司
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