11results about How to "Accelerates the dehydration process" patented technology

The invention relates to an electrochemical iron enhanced wastewater anaerobic treatment process and a device and a method for in-situ purification of biogas. According to the method, an iron electrode is used as an anode, an electrochemical method is adopted for strengthening a wastewater anaerobic treatment process and a biogas in-situ purification process, pollutants such as organic matters in to-be-treated wastewater are degraded by microorganisms in an anaerobic reactor, treated wastewater is obtained, biogas is generated, and main components of the biogas are CH4, CO2, H2S and other impurities; in the electrochemical reaction with the iron electrode as the anode, Fe < 2 + > is generated in situ at the anode, H2 and OH <-> are synchronously generated in situ at the cathode, CO2 and H2S in biogas generated by wastewater anaerobic treatment react with electrochemical reaction products to generate precipitates or generate CH4 to be removed in situ, and meanwhile, the wastewater anaerobic treatment effect is effectively improved. The method is simple, convenient, efficient, short in process, few in equipment, low in investment and operation cost and convenient to operate and maintain.

The invention relates to the technical field of sludge dewatering treatment, in particular to a method for improving sludge dewatering performance through low-temperature hydrothermal coupling of a deep eutectic solvent, which comprises the following steps: putting a hydrogen bond donor and a hydrogen bond acceptor into a reactor, heating and stirring to obtain the deep eutectic solvent; taking sludge to be treated, adding the deep eutectic solvent, and stirring and mixing for reaction; and putting the sludge added with the deep eutectic solvent into a thermal hydrolysis reaction device with a stirring function, carrying out thermal hydrolysis treatment, and continuously stirring to complete the sludge dewatering process. By adding specific DES into the sludge, the thermal hydrolysis treatment temperature can be reduced, and at the lower temperature (lt; the method realizes high-efficiency dehydration at the temperature of 100 DEG C, not only reduces the treatment cost, but also improves the safety, and has extremely profound social significance and economic value.

The invention discloses a method for improving the dewatering performance of aerobic granular sludge by combining physical and chemical methods, aiming at the special dense structure of the aerobic granular sludge, the structure of an extracellular polymeric substance is destroyed by adopting a physical crushing mode, and then the sludge is conditioned by adopting an advanced oxidation reaction, so that the dewatering performance of the aerobic granular sludge is improved. And finally dewatering the aerobic granular sludge in a centrifugal dewatering manner. Compared with unpretreated aerobic granular sludge, the method has the advantages that the moisture content is reduced by 6-10%, the dewatering performance of the aerobic granular sludge can be effectively improved, and a new idea and reference are provided for subsequent treatment of the aerobic granular sludge.

The invention relates to an oily sludge treatment system which comprises a sludge dewatering and deoiling device, a cyclone separation device and a tail gas treatment device, the sludge dewatering and deoiling device comprises a condensation cavity, a second-stage heating cavity and a first-stage heating cavity which are sequentially arranged in a sleeving manner, the first-stage heating cavity is used for heating and dewatering primary sludge, the second-stage heating cavity is used for heating and cracking oil in the first-stage sludge, and the condensation cavity is used for cooling first-stage gas and second-stage gas; the cyclone separation device comprises a cyclone cylinder and is used for carrying out oil-gas-water separation on the oil-water-gas mixed liquid; the tail gas treatment device comprises a tail gas barrel used for purifying acid waste gas components in tail gas. The oily sludge treatment system realizes integrated treatment of sludge dewatering, oily liquid recovery and tail gas purification, and the sludge dewatering and deoiling device not only realizes continuous operation of water and oil in sludge and improves the sludge treatment efficiency, but also enables the secondary heating cavity to utilize heat of the primary heating cavity and saves the operation treatment cost.

The invention discloses an environment-friendly hematoxylin staining solution formula, which is prepared by adding pure water into the following components according to the formula ratio: 5g / L of hematoxylin; 250 mL of 95% ethanol; 200 mL / L of glycerol; 200 mL / L of 1, 2-propylene glycol; 30 g / L of aluminum sulfate; and 0.8 g / L of sodium iodate. According to the formula of the environment-friendly hematoxylin staining solution, various raw materials are non-toxic and harmless substances, so that the harm of chemicals and toxic heavy metals to a human body is greatly reduced, the purpose of reducing the harm of an oxidized hematoxylin staining reagent to the human body is achieved, the environment-friendly and safe effects are achieved, meanwhile, the types of reagents are reduced, and the cost is reduced. The hematoxylin staining reagent is simpler in preparation, more convenient in staining operation, free of influence on staining effect, high in staining capacity and long in storage period, can be used for staining secretions, body fluids, body cavities and body surface exfoliated cell smears, and has the purpose of reducing harm of the hematoxylin staining reagent to human bodies. The method can be widely used in the staining fields of histology, cytology and the like.

The utility model relates to the technical field of petroleum, and discloses a drilling fluid dewatering screen which comprises a rack, a rotating roller is rotationally connected to the wall face of the rack, a motor used for driving the rotating roller is installed on the wall face of one side of the rack, a heating chamber is arranged at the top of the rack, and a fan is further arranged at the top of the rack. The transmission belts are in transmission connection with the wall surfaces of the rotating rollers, the rotating rollers are symmetrically arranged at the top of the rack, and the transmission belts are in transmission connection with the wall surfaces of the symmetrical rotating rollers; and the screening structure can screen out drilling fluid and broken stone in the ore at the top of the rack, the screening structure comprises a loading box, a stone carrying rod and a filter screen, the loading box is movably connected to the top of the rotating roller, the loading box is a hollow rectangular box with the top open, the stone carrying rod is movably arranged in a cavity of the loading box, and the filter screen is also movably arranged in the cavity of the loading box.

The utility model relates to the technical field of food processing, and particularly discloses a drying device for green plum preserved fruit production. The box door is located on the front side of the drying box body and hinged to the drying box body. The heating assembly is located on the inner side wall of the drying box body. The ventilation assembly penetrates through the drying box in the horizontal direction. The moisture absorption assembly is located at the bottom of the drying box. The drying assembly is located in the drying box body; the multiple temperature sensors are evenly distributed on the left side wall and the right side wall in the drying box body, and the temperature sensors are distributed in the vertical direction; the multiple humidity sensors and the multiple temperature sensors are arranged on the left side wall and the right side wall in the drying box body in a crossed mode; and the controller is electrically connected with the temperature sensor and the humidity sensor, and the controller is located on the outer side wall of the drying box body. According to the drying device for producing the preserved green plums, the temperature and the humidity in the drying process are accurately controlled, and the taste and the quality stability of the preserved plums are ensured.

The utility model relates to an outdoor deinsectization lamp, and belongs to the field of outdoor lamps. The outdoor deinsectization lamp comprises a first supporting piece and a second supporting piece, the heat conducting plate is provided with a hollow cavity, a heating wire and a first open slot, the first open slot is communicated with the insect receiving tray, and the heating wire is installed in the hollow cavity; the supporting strip is fixed in the first open slot and is provided with a vertical pipe; the insect expelling lamp tube is mounted on the vertical tube; the deinsectization water box is fixedly connected to the inner wall of the heat conduction plate and provided with a second open groove. By utilizing the phototaxis excitation effect of the insect repelling lamp tube on the insects and the light source for luring the insects to catch towards the lamp, on one hand, the heating wire enables the temperature of the heat conducting plate to rise, so that the dehydration process of the insects is accelerated, and on the other hand, the temperature of the heat conducting plate is conducted to the insect killing water box, so that the mixing speed of an insect killing agent and water is increased, and the insects are further killed conveniently; the disinfestation mode adopted by the outdoor disinfestation lamp is noiseless, and the quality of outdoor camping can be effectively improved.

The utility model discloses a kind of dehydrator auxiliary devices, including base, and adjacent unpacking station and mud packing station are provided on base. First lifting mechanism is separately installed in unpacking station and mud packing station bottom. Unpacking station is provided with unpacking device, and unpacking device is used to open mud package in container;Base is also provided with filter cloth transfer trolley and filter cloth cleaning device between unpacking station and mud packing station, and mud packing station is also provided with cloth mud device and mud packing device, cloth mud device is used to lay the sludge to be dehydrated to filter cloth, and mud packing device is used to pack sludge to container using filter cloth. The utility model uses the scheme that multiple filter cloths are wrapped around sludge block, laminated and pressed, on the one hand, a large amount of sludge can be simultaneously pressure filtered, and the efficiency is higher, on the other hand, filter cloth is wrapped around from all around, and it will not leak from the side when pressing, thereby improving the effect of dehydration and filtration.

The invention relates to a special oven for a tobacco leaf box type baking process, which comprises a bottom frame covered by a fixedly arranged metal net, width side walls on the bottom frame, metal net side walls and a movable side wall, grooves are correspondingly formed in the inner walls of the two width side walls, the movable side wall comprises a plurality of pull rods, and the ends of the pull rods are located in the grooves. A V-shaped folding sheet is arranged between the pull rods, and a sheet body of the V-shaped folding sheet is hinged to the pull rods through second hinges; the top face of the bottom frame is further provided with a ventilation pipe which penetrates through the width side wall and is provided with a plurality of adjusting air pipes in a communicating mode at equal intervals, each adjusting air pipe comprises a plurality of stacked supporting plates, the supporting plates are provided with coaxially-arranged round holes and flexible pipelines communicating with the round holes, and the flexible pipelines are provided with a plurality of air holes. The oven structure is improved according to an existing box type baking process, the tobacco loading step is simplified again, meanwhile, the hot air path in the oven is optimized, it is ensured that circulating hot air can effectively make contact with tobacco leaves in the oven, and the dehydration and dehumidification effects are improved.

The utility model discloses an unpowered sludge dewatering device which comprises a drying box, the inner surface of the drying box is fixedly connected with a filter screen, the lower surface of the drying box is provided with a water outlet, the side surface of the drying box is fixedly connected with a sludge inlet assembly, the upper surface of the drying box is fixedly connected with a cloth collecting device, and the cloth collecting device is provided with a water outlet. The side surface of the cloth collecting device is movably connected with heat absorption cloth, the other end of the heat absorption cloth is fixedly connected with a cloth releasing device, through the components, the evaporation and dehydration process of moisture in sludge can be accelerated, and due to the adoption of an unpowered design, energy can be saved.