Automatized and integrated MBR (membrane bioreactor) automatic treatment system for ship sewage

Abstract

The invention discloses an automatized and integrated MBR (membrane bioreactor) automatic treatment system for ship sewage, and the system provided by the invention is characterized in that lye and/or black water in a ship are/is filtered by virtue of a quick open type coarse grid tank and then introduced to a sewage adjusting tank, the sewage and less solid substances entering the sewage adjusting tank are pulverized and circulated by virtue of a pulverizing and adjusting pump arranged at the bottom of the sewage adjusting tank and are further filtered by virtue of a quick open type fine grid tank, and the further filtered sewage is elevated to an MBR reaction tank by virtue of the pulverizing and adjusting pump through a water outflow branch pipe; the treated sewage is subjected to biochemical treatment in the MBR reaction tank and then enters into a clean water collecting tube through an MBR membrane, the clean water is disinfected by an ultraviolet disinfector, and the disinfected clean water can be directly introduced to a clean water tank or discharged. The system provided by the invention has the advantages of compact structure, small occupation area, unattended operation, automatic running, simplicity and convenience for maintenance, stable running and suitability for the requirements in ship navigation.

Description

technical field [0001] The invention relates to an automatic and integrated MBR automatic treatment system for ship sewage. Background technique [0002] Ship domestic sewage is the sewage discharged during the navigation of all ships. According to the source and water quality, domestic sewage from ships can be divided into two categories, namely black water (such as toilet sewage, kitchen sewage) and gray water (such as washing sewage, laundry sewage). The International Maritime Organization (IMO) has increasingly stringent standards for the discharge of ship sewage. The latest MEPC159(55) resolution issued in 2009 stipulates that ship sewage must be treated up to the standard before it can be discharged in the specified sea area. Ship sewage is treated during the ship's navigation. Therefore, compared with conventional land sewage treatment devices, ship sewage treatment devices have certain particularities and must be able to adapt to the characteristics of ship navigati...

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Problems solved by technology

The main problems of this patent: (1) This patent is only suitable for use in inland rivers with relatively stable water surfaces, because both UASB and sedimentation tanks strictly require a stable environment. , UASB and sedimentation chamber’s water distribution, outlet weir, and gravity settlement cannot operate normally at all, and the device will be in a paralyzed state; (2) The patented process adopts the traditional process of anaerobic + A / A / O + sedimentation + filtration as a whole, and the flow Longer, many reaction units, low volume load, large floor area, many electrical equipment, many failure points, and no sludge storage tank or container; Safe venting of gases and aeration of aerobic chambers to produce gas emissions containing large amounts of carbon dioxide and high humidity No clarification is given

Second, in its "high-efficiency anaerobic reactor", it relies on the "strong mechanical force" device to produce "rapid anaerobic reaction", which lacks basic common sense. The essence of anaerobic reaction is the enzymatic reaction of anaerobic microorganisms. It is related to temperature, pH value, pollutant concentration, harmful substances, etc., and has nothing to do with whether there is strong mechanical force. In addition, since it is an anaerobic reaction, there must be anaerobic microorganisms (anaerobic sludge), and the name of the patent is "no Sludge" is necessarily contradictory

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