5results about How to "Increase the concentration factor" patented technology

The invention relates to a target gas separation and purification system and method based on single pressurization and double reflux, the system comprises a first-stage membrane, an interstage compressor, a second-stage first-section membrane, a valve, a second-stage second-section membrane, a first reflux pipeline and a second reflux pipeline which are sequentially connected in series, the first-stage membrane carries out first-stage separation on first gas, the first gas at least comprises raw material gas, and the second gas at least comprises raw material gas; the interstage compressor pressurizes second gas, the second gas at least comprises first-stage membrane permeable gas, the second-stage first-stage membrane performs second-stage first-stage separation on the pressurized second gas, the valve adjusts the flow of second-stage first-stage membrane retentate gas, the second-stage second-stage membrane performs second-stage second-stage separation on the second-stage first-stage membrane retentate gas, and the second-stage first-stage membrane performs second-stage second-stage separation on the second-stage first-stage membrane retentate gas. The first backflow pipeline enables second-stage second-section membrane permeation gas to flow back to the inlet of the interstage compressor, the second backflow pipeline enables second-stage second-section membrane permeation residual gas to flow back to the inlet of the first-stage membrane, single-pressurization double-backflow is achieved, the concentration multiple and the yield are greatly improved, pressurization energy consumption is reduced, the backflow proportion is automatically adjusted through a valve, and the separation and purification efficiency is improved.

This invention discloses a method and system for treating fermentation wastewater, belonging to the field of fermentation wastewater treatment. This invention solves the problems of non-zero discharge, low treatment efficiency, and high treatment difficulty in existing technologies for fermentation wastewater. This invention designs different treatment routes and systems for three types of wastewater with different characteristics: high-salinity wastewater, low-salinity wastewater, and microbial protein waste liquid. For high-salinity wastewater, a process of screen + coagulation sedimentation + multi-media filtration + ozone catalytic oxidation is used to remove organic matter and total phosphorus; for low-salinity wastewater, a highly active sludge biochemical treatment technology is used to remove nitrogen and phosphorus; and for microbial protein waste liquid, a sludge collection + screw press dewatering technology is used to achieve thorough dewatering. The treatment processes for the three types of wastewater are carried out simultaneously, and the effluent is recycled back into the three systems for further treatment, achieving zero discharge of fermentation wastewater. Furthermore, this treatment method reduces the wastewater treatment pressure on the system, improves treatment efficiency, and allows for wastewater reuse, showing broad application prospects.

This application relates to a multi-stage indirect cooling water-saving system utilizing dry air energy recovery, comprising a combined dry and wet cooling tower and an energy recovery device. The combined dry and wet cooling tower includes a dry cooler and an evaporative cooling device, the evaporative cooling device including a water collection tray. The energy recovery device includes an air-cooled area and an air inlet area. The air-cooled area is equipped with an air-to-water heat exchanger, which is connected to the circulating water inlet pipe and the air-cooled outlet main pipe. The air inlet area has a first air inlet and is equipped with a pre-cooling circulating cooling device, the storage tank of which is connected to the water collection tray. The circulating water to be cooled after heat exchange with the dry cooler and the energy recovery device is introduced into the inlet of the evaporative cooling device, and the circulating water to be cooled after heat exchange with the evaporative cooling device is led out through the circulating water outlet pipe. This application can slow down the increase of water concentration ratio, thereby reducing the frequency of blowdown and water replenishment, ultimately achieving the goal of reducing circulating water consumption.

This utility model relates to the technical field of thermal pipeline maintenance, and in particular to a secondary circulating water purification device for a thermal system heat exchange station. The device includes a main body, which is cylindrical with a wall thickness of 8mm. An inlet pipe, an outlet pipe, and a slag discharge pipe are installed on the main body. An end cap is also installed on the main body via a fixing mechanism. An anode is installed on the end cap via an installation mechanism. An automatic air vent valve for pressure relief is also installed on the end cap. This application has the advantages of increasing the concentration ratio of circulating water to achieve water conservation; removing scale, sterilizing, eliminating algae, and preventing corrosion without adding any chemicals, resulting in no pollution; automatic operation without manual supervision, greatly reducing labor costs; small footprint, simple operation, easy handling, and low power consumption.

The utility model relates to waste heat power generation water treatment technical field, and disclose a kind of waste heat power generation circulating cooling water treatment system, electric pulse scale inhibition system is equipped with two groups and is respectively installed on processing pipe A and processing pipe B, adopts the technology that electromagnetic pulse and ultrasonic wave are combined, the attachment of scale formation in pipeline is prevented by generating electromagnetic pulse and ultrasonic wave vibration;Filtering mechanism is equipped with two groups and is respectively installed in the back of each electric pulse scale inhibition system and is used to filter and remove scale impurities in water body;Ultraviolet sterilization tank is equipped with two groups, one group of ultraviolet sterilization tank is installed between the filtering mechanism of front side and processing pipe B, another group of ultraviolet sterilization tank is installed in the back of the filtering mechanism of back side. Adopt pure physical processing mode, by electric pulse scale inhibition, filtration and ultraviolet sterilization multistage processing, without chemical reagent, can efficiently scale inhibition sterilization, reduce equipment corrosion, reduce pollution discharge, and degree of automation is high, maintenance cost is low, avoid secondary pollution.