Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

44results about How to "Fast granulation" patented technology

Nitrifying bacterium enrichment culture device and culture method

The invention discloses a nitrifying bacterium enrichment culture device, which comprises an outer drum reactor and a ceramic membrane inner drum, wherein the outer drum reactor is of an opening-type structure, and the ceramic membrane inner drum, which is made from a ceramic membrane plate, is arranged in the outer drum reactor; an aerating system is arranged on the outer wall and the bottom end of the inner drum; the aerating system and sludge are separately arranged on two sides of the ceramic membrane inner drum; during aerating, the sludge is cultured in the ceramic membrane inner drum, and gas enters the inner drum by virtue of ceramic membrane holes, so that oxygen supply is achieved; a drainage port is formed in the bottom of the outer reactor, and a vacuum pump is connected to a sealed water collection tank, so that after culture, the vacuum pump is started, water is discharged to the sealed water collection tank while the sludge is intercepted by the ceramic membrane. A nitrifying bacterium enrichment culture method disclosed by the invention is implemented by virtue of the above culture device. According to the nitrifying bacterium enrichment culture device disclosed by the invention, the ceramic membrane inner drum, which is arranged in the reactor, serves as a nitrifying bacterium culture unit, so that a water changing time of sludge settlement is effectively shortened and a culture cycle is shortened; and meanwhile, sludge floc loss in water drainage is prevented and the steady growth of the sludge is guaranteed.
Owner:CHINA PETROLEUM & CHEM CORP +1

Preparation method of baking-free porous ceramsite with high percentage of closed porosity

The invention relates to the technical field of solid waste recycling and materials, in particular to a preparation method of baking-free porous ceramsite with high percentage of closed porosity, step-by-step granulation and step-by-step pore forming are realized by adopting a foaming agent and an inorganic substance for promoting decomposition of the foaming agent, rapid, uniform and thorough pore forming of a ceramsite inner core is promoted, and the porosity is improved; then, the porous inner core and the granulation mixture continue to be granulated, a wrapping layer is formed on the porous inner core, preparation and wrapping of the porous inner core are completed in one step, and the ceramsite with the structure of the porous inner core and the wrapping shell layer is obtained. Firstly, mineral solid waste such as construction waste, tailings and coal ash can be utilized as raw materials, and solid waste recycling is achieved; secondly, the porosity is high, and the thermal insulation performance is good; and finally, the inner core and the wrapping process are completed in one step during granulation, the process is simplified, and the preparation cost is reduced.
Owner:贺州市坤德环保科技有限公司

Multi-phase reinforcement and guide type circular and anaerobic granulation reaction processing device

The invention relates to a multi-phase reinforcement and guide type circular and anaerobic granulation reaction processing device applied to high concentrated organic wastewater. The processing device is characterized by comprising a water inlet assembly, a water outlet assembly, a processing device body, a biogas processing assembly and an internal circulation assembly, wherein the biogas processing assembly is arranged on the processing device body, and the internal circulation assembly is arranged in the processing device body; the water inlet assembly is arranged at the lower part of the processing device body, and the water outlet assembly is arranged at the upper part of the processing device body. The processing device has the beneficial effects that the integral structural design is skillful, and the operation is convenient; the rapid granulation of anaerobic sludge in the treatment process of high concentrated organic wastewater is realized by virtue of multiple granulated fillers, internal and external circulation, efficient water distribution and cyclic heating of wastewater, so that the anaerobic debugging time is shortened, meanwhile, the volumetric load and removal rate of an anaerobic reaction device for treating high concentrated organic wastewater are substantially improved, and the construction cost of the anaerobic reaction device is lowered.
Owner:NANJING RUNTRY WATER

Device and method for promoting aerobic sludge granulation by combining magnetic material with moving magnetic field

The invention discloses a device and a method for promoting aerobic sludge granulation by using a magnetic material in combination with a moving magnetic field. The device is reasonable in structuraldesign; and the method comprises the following steps: (1), arranging an activated sludge system reactor according to water inlet, aeration, precipitation, water outlet and idleness; (2), in a water inlet stage, adding a magnetic material into a sludge system of the reactor; (3), controlling the pH value of the tail end of the aeration stage of each period of the reactor to be adjusted to be acidicwithin 30 minutes; (4), at 30 seconds before the aeration stage of each period, automatically controlling a magnet block to move downwards by utilizing a stepping motor to generate a moving magneticfield, and driving a magnetic material and sludge attached to the magnetic material to rapidly sink; and (5), after the SBR operates for 15-30 days, realizing complete granulation, and keeping the aerobic granular sludge a stable structure after long-term operation. The sludge settling performance can be rapidly improved, rapid formation of aerobic granular sludge is promoted, operation is easy and efficient, and practical application is easy.
Owner:ZHEJIANG UNIV OF TECH

Biomass energy processing granulating device convenient for drying and smashing

The invention discloses a biomass energy processing granulating device convenient for drying and smashing, which comprises a base, an electric telescopic rod, a sucking pump, a heating plate, a firstmotor, a second motor and a third motor, wherein a supporting table is fixedly connected to the upper end of the base, a limiting plate is fixedly installed at the upper end of the supporting table, extrusion hair rollers are rotatably connected to the left side and the right side of the lower surface of the limiting plate correspondingly, a conveying belt and the extrusion hair rollers are in transmission connection through an adjusting belt, the adjusting gear is mounted and connected to the rear end of a smashing roller, the crushing roller is rotatably connected to the interior of a smashing cylinder, and a sealing block is slidably connected to the interior of the lower end of the smashing cylinder. According to the biomass energy processing granulating device convenient for drying and smashing, straw can be fully dried conveniently, and dust prevention treatment can be conducted conveniently when the straw is processed. Meanwhile, biomass energy raw materials such as the straw can be cut off and smashed conveniently, the situation that the sizes are different is avoided, and granulating is convenient.
Owner:李姗姗

Device and method for strengthening granulation process of aerobic sludge

The invention discloses a device and method for strengthening a granulation process of aerobic sludge. The device comprises a water inlet unit, a reactor, an aeration unit and a water outlet unit, wherein the water inlet unit comprises a water inlet tank and a water inlet peristaltic pump; a water outlet pipe of the water inlet peristaltic pump is connected with a water inlet at the bottom of thereactor; an inert titanium cathode is arranged on an inner wall of the reactor; an active iron anode is arranged at the center of the reactor; tail ends of the inert titanium cathode and the active iron anode are connected with a direct-current voltage-stabilization power supply through lead wires; the aeration unit comprises an air pump, a rotor flow meter and a sand filtering aeration head whichare connected in sequence; the sand filtering aeration head is arranged at the bottom of the reactor; the water outlet unit comprises a water outlet tank and a water outlet solenoid valve connected with the water outlet tank; the water outlet solenoid valve is connected with a water outlet formed in the middle of the reactor through a water outlet pipe. According to the device disclosed by the invention, rapid granulation of the aerobic sludge and long-period stable operation of an aerobic granular sludge system can be realized at the same time.
Owner:HARBIN INST OF TECH

A kind of nitrifying bacteria enrichment culture device and culture method

The invention discloses a device for enriching and cultivating nitrifying bacteria, which comprises an outer cylinder reactor and a ceramic membrane inner cylinder. The outer cylinder reactor has an open structure, and a ceramic membrane inner cylinder made of ceramic membrane plates is arranged inside; The outer wall and the bottom of the cylinder are equipped with an aeration system. The aeration system and the sludge are respectively located on both sides of the inner cylinder of the ceramic membrane. During aeration, the sludge is cultivated in the inner cylinder of the ceramic membrane, and the gas enters the inner cylinder through the holes of the ceramic membrane to realize oxygen supply. ;The bottom of the external reactor is provided with a drainage port, which is connected to the sealed water collection tank through a vacuum pump. When the cultivation is completed, the vacuum pump is started to drain the water into the closed water collection tank, and the sludge is retained by the ceramic membrane. The method for enriching and cultivating nitrifying bacteria of the present invention is carried out by using the above-mentioned cultivating device. The present invention sets a ceramic membrane inner cylinder in the reactor as a nitrifying bacteria culture unit, which effectively reduces the time for sludge settling and water exchange, shortens the culture period, and can prevent the loss of sludge flocs during drainage, ensuring the stability of sludge increase.
Owner:CHINA PETROLEUM & CHEM CORP +1

Device and method for granulating blast furnace slag and recycling waste heat

The invention discloses a device and method for granulating blast furnace slag and recycling waste heat. The device comprises an aerial fog granulation nozzle assembly, a fluid director (7), a cyclone separator (8) and a waste heat recoverer. The aerial fog granulation nozzle assembly comprises a slag flow controller (2), a compressed air flow control valve (3), a water quantity control valve (4) and an aerial fog spray gun (5). Mixing heat exchange of medium-temperature gas and high-temperature granular slag (6) and solidification of the high-temperature granular slag are realized in the fluid director, and the medium-high-temperature gas and the high-temperature granular slag after heat exchange are guided into the cyclone separator. The cyclone separator is used for separating medium-high-temperature gas and high-temperature granular slag and conveying the medium-high-temperature gas and the high-temperature granular slag into the waste heat recoverer. Complete granulation of the blast furnace slag is achieved, slag sensible heat recovery is organically coupled with sludge drying, high-temperature steam preparation, power generation and low-temperature hot water preparation, waste heat recovery of medium-temperature gas and high-temperature granulated slag in the slag granulation treatment process is achieved, and the waste heat recovery and utilization efficiency is improved.
Owner:SHANGHAI MEISHAN IRON & STEEL CO LTD +1

Dewatering screw extruder

The present invention relates to a screw-type dewatering extruder that simultaneously applies a screw dewatering method and an extrusion method. A feeding zone, primary and secondary dewatering zones by compression, a tertiary dewatering zone by vacuum, and a high-pressure extrusion zone are integrally formed. A pellet forming unit is configured to be rotatable on the rear side of a cylinder. Therefore, the dewatering ability can be greatly increased, and a separate extruder is not required at the rear end, unlike the existing dewatering device, so equipment and costs for a downstream drying process can be significantly reduced. A material that has undergone the dewatering and extrusion processes can be produced quickly and easily into pellets of a cut size. In addition, when a lead screw is rotated in the forward direction, powder moves from the front to the rear direction of the cylinder, at this time, a reverse spiral blade serves to prevent the movement of the powder, and as a result, the dewatering effect of the powder can be further increased. In addition, by rapidly pelletizing the powder by spraying cooling air to the powder extruded through a die hole in a cooling air injection unit, mass production is possible. The screw-type dewatering extruder comprises a cylinder, a lead screw, a lead screw driving unit, and a pellet forming unit.
Owner:S TECH CO LTD +1

Method for quickly granulating aerobic activated sludge in membrane bioreactor

The invention discloses a device and a method for quickly granulating aerobic activated sludge in a membrane bioreactor. The device comprises a sequencing batch type tubular reactor SBR (Styrene Butadiene Rubber) and the membrane bioreactor which are mutually communicated. The method comprises the following steps: preliminary training the aerobic activated sludge in the sequencing batch type tubular reactor for 2-15 days, directly and quickly transferring the preliminary-trained aerobic activated sludge into the membrane bioreactor, continuously adding sewage into the membrane bioreactor, and respectively carrying out intermittent operation on membrane filtering and water going-out, aeration and supernatant discharge at the same time; and granulating the aerobic activated sludge inside the membrane bioreactor after the membrane bioreactor runs for 7-14 to prepare the granulated aerobic activated sludge internal circulation type membrane bioreactor. The preparation method disclosed by the invention has the beneficial effects that the quick granulation of the aerobic activated sludge in the membrane bioreactor can be realized, the membrane pollution of the membrane bioreactor is effectively reduced or eliminated, the defect caused by frequently cleaning a membrane component by adopting a physical or chemical method is overcome, and the application prospect is wide.
Owner:SHANGHAI HUAFON NEW MATERIAL R&D TECH CO LTD +1

A manufacture method of a novel improved decorative board

The invention discloses a production method of a novel improved decorative board, characterized by, the decorative panel comprises a decorative layer, impact resistant layer, composite layer and adhesive layer, the adornment lay, the anti-impact layer and the composite layer are arranged from the top to the bottom in turn, An adhesive lay is arranged between each of that two layer, and extruding it by 1200N pressure to obtain a decorative board, The composite layer is divided into a refractory layer, an acoustic insulation layer and an insulating layer, wherein the refractory layer, the acoustic insulation layer and the insulating layer are arranged from the top to the bottom in sequence; the refractory layer, the acoustic insulation layer and the insulating layer are coated with an adhesive; the pressure of 750N is used to extrude between each two layers; and the outer periphery of the refractory layer is also coated with an alkali-resistant sealing layer. In a word, the method of theinvention is reasonable, and the refractory, sound insulation and heat preservation aspects of the decorative board are improved and strengthened, and the device of the invention has the advantages of high automation degree, simplified operation process, saving manpower and the like.
Owner:浙江海纳蓝新材料科技股份有限公司

Anaerobic reactor for treating high-concentration organic wastewater

An anaerobic reactor for treating high-concentration organic wastewater is based on basic principles of an up-flow anaerobic sludge bed reactor, gas stripping desulfurization and deamination and the like, and achieves SRT and HRT separation through a three-phase separator to obtain a high sludge concentration; and sludge and water are in full contact through disturbance of a large amount of biogasand internal and external circulating water flow of a tower type rotational flow water distribution structure, so rapid granulation of the sludge is achieved. The anaerobic reactor has the advantagesof improvement of the suspended matter resistance, the load impact resistance, the salt resistance and the toxicity resistance, reduction of the granular sludge inoculation cost, shortening of the sludge acclimation period, good mass and heat transfer effect, high volume load reaching 5-30 kg COD/m<3>, stability and reliability in running, high treatment efficiency, investment saving, large height-diameter ratio reaching 3-6, and low capital construction investment cost, and occupies a smaller area than a UASB anaerobic reactor. The biogas is utilized, so that the self-heating balance of thesystem is realized, the medium-temperature (35-38 DEG C) environment in a tank is ensured, and the running cost is low.
Owner:辽宁博创环保技术有限公司

A high-efficiency and environment-friendly straw processing granulator

The invention discloses a high-efficiency and environment-friendly type straw particle processing machine. The high-efficiency and environment-friendly type straw particle processing machine comprisesa bottom plate, wherein a gear box is fixedly arranged at one side of the upper surface of the bottom plate; a main shaft box is arranged at the top end of the gear box through a fixed seat; a material charge bin is fixedly arranged at the upper surface of the main shaft box; a main shaft is arranged in the middle part of the bottom part of the interior of the main shaft box; a material feed hopper is arranged at one side of the upper surface of the material charge bin; the main shaft penetrates through the main shaft box, and extends into the gear box; a first connecting roll and a second connecting roll are fixedly arranged at one end of the main shaft. The high-efficiency and environment-friendly type straw particle processing machine has the advantages that by arranging a stirrer, a material is uniformly fed, so that the blockage of the equipment by the fed material is prevented, and the processing efficiency is improved; by arranging an energy recycling device, the heat energy ofair can be recycled, the loss of heat energy resources is prevented, and the secondary pollution to environment by the exhaust of hot air is avoided; more energy-saving and environment-friendly effects are realized, the blockage of the equipment is prevented, the straw particles are quickly discharged, and the equipment processing is more efficient.
Owner:宋晴
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products