324results about How to "Fast dehydration" patented technology

The present invention is one kind of thick oil demulsifier and its preparation process, and belongs to the field of petrochemical technology. The present invention features that phenol-amine resin as the initial material is block polymerized with epoxy propane ad epoxy ethane under the action of catalyst to obtain stereo netted macromolecular polyether as the thick oil demulsifier. The polyether as the thick oil demulsifier may be further chain expanded for even high demulsifying effect. The thick oil demulsifier can reach the oil-water interface fast to lower the elasticity and viscosity of the interface film, speed the aggregation of liquid drops and demulsify effectively. The thick oil demulsifier has simple preparation process, is suitable for industrial production, and may be used in the efficient dewatering of oil field produced liquid with different water contents.

A low-temp high-speed demulsifier for the water and wax contained crude oil is prepared through the block copolymerization between phenolamine resin, epoxy propane and epoxy ethane to obtain star branched polyether, reacting on water-soluble cross-linking agent, and adding additive.

The invention discloses a high-temperature sewage treatment reverse demulsifier of ultra-heavy oil. The method comprises the following steps of preparing chlorinated polyether by taking propanetriol and epichlorohydrin as materials and boron trifluoride ether solution as an initiator; preparing cationic poly ether by placing the chlorinated polyether and trimethylamine in a high-pressure reactor; by taking carbinol as a solvent, and boron trifluoride diethyl etherate as the initiator, repeatedly and alternatively carrying out Michael addition reaction and amidation by ethanediamine, methyl acrylate and the like to prepare 3.0-generation dendritic macromolecule polyamide-amine; by taking polyethylene glycol and poly propylene glycol as materials, and potassium hydroxide powder as a catalyst, adding polypropylene glycol to prepare non-ionic polyether after the polyethylene glycol reacts a period of time; finally by taking 3.0-generation polyamide-amine as a cross-linking agent, preparing the modified composite polyamide-amine-polyether high-temperature sewage treatment reverse demulsifier of the ultra-heavy oil by compounding cationic polyether and non-ionic polyether.

The invention relates to a multiple combination oil soluble demulsifier which comprises 36-50 percent of demulsifier, 5-10 percent of surfactant containing fluorin and 40-59 percent of solvent, wherein the demulsifier comprises modified polyether taking phenolic resin as an initiator and modified polyether taking higher aliphatic alcohol as an initiator, and the weight ratio of the modified polyether taking the phenolic resin as the initiator to the modified polyether taking the higher aliphatic alcohol as the initiator is 0.8-3. The surfactant containing fluorin is preferably sodium perfluorous nonenyloxybenzenesulfonyl, perfluorous ethyldiethanolamine sodium phosphate or N-ethyl Perfluorooctanesulfonamide. The invention is mainly applied to atmospheric and vacuum process of a refinery with the operation temperature of 70-150 DEG C. When the use level is 3-30 ppm, the demulsifier has the advantages of good demulsifying effect, clear water and emulsion layers of demulsifying, high dehydration speed, low water content in purified oil, low oil content of water of dehydration, good broad spectrum activity and low cost.

The invention discloses a method for preparing biomass solid molding fuel, comprising the following steps of: (1) transferring waste residue and sludge from paper making and biomass dry powder into a batcher in proportion to obtain a mixture; (2) transferring the mixture obtained in the step (1) into a stirrer, fully stirring and breaking up the mixture; (3) conveying the mixture obtained in the step (2) into a dryer through a conveyor; (4) further reducing the water content of the mixture through the dryer and transferring the mixture into a distributing bin; (5) transferring the mixture into a molding machine, carrying out compression molding to obtain solid molding fuel and further reducing the water content of the solid molding fuel through screening, cooling and air-drying; and (6) transferring the solid molding fuel obtained in the step (5) into a mechanical packer to obtain a finished product. By effectively using the waste residue and the sludge from paper making and the biomass dry powder, the invention not only enables the waste residue and the sludge from paper making and the biomass dry powder to be treated, but also successfully produces the clean biomass solid molding fuel, and is beneficial to reduction of consumption of mineral energy.

The invention discloses a manually-pressed type rotating mop rod. The manually-pressed type rotating mop rod comprises an inner rod body, an outer rod body, a rotating sleeve, a guide shaft core, a rotating guide piece, a blocking portion and a braking portion. The inner rod body and the outer rod body are mutually connected in a sleeved mode. The rotating sleeve is arranged in the inner rod body and the inner wall of the rotating sleeve is provided with a spiral groove. The guide shaft core is arranged in the rotating sleeve, and the upper end of the guide shaft core is fixedly connected with the outer rod body. The rotating guide piece is sleeved at the lower end of the guide shaft core and capable of rotating along the guide shaft core. The blocking portion is arranged at the lower end of the guide shaft core and used for blocking the rotating guide piece from slipping off. The braking portion is capable of preventing the rotating guide piece from rotating. The rotating guide piece is capable of moving vertically in a small distance between the blocking portion and the braking portion. The manually-pressed type rotating mop rod is simple in structure, small in number of components, easy to assemble and high in production efficiency, and dewatering effect is improved greatly, and the phenomenon that a mop head idles can not happen in long-term use.

The invention relates to a loose stock dyeing device and belongs to the technical field of stock dyeing devices. The loose stock dyeing device comprises a cotton grabbing device, a net forming device, a steeping device, a mangle device, a coiling device, a cold-batch fixation device, a uncoiling device, a washing device, a squeezing device, a splitting device and a drying device, wherein the cotton grabbing device, the net forming device, the steeping device, the mangle device, the coiling device, the cold-batch fixation device, the uncoiling device, the washing device, the squeezing device, the splitting device and the drying device are sequentially arranged. A loose stock net after squeezing is sent to the splitting device to be split and sent to the drying device to be dried. According to the technical scheme, the defects that continuous production cannot be performed and processing efficiency is low in the prior art are overcome, and the defects that dyeing is uneven, drying efficiency is low and energy consumption is large in drying loose stock with a net-shaped structure are overcome. In the processing process, stock damage is little, and the quality of finished stock products is ensured.

A process for preparing sodium methoxde (or ethoxide) by alkali method includes reaction between excess methanol (or ethanol) and sodium hydroxide to obtain product, dewatering the vapour of methanol (or ethanol) by parallel two molecular sieves for alternative adsorption and desorption, and rectifying the solution of methanol (or ethanol) for reuse. Its advantage is no pollution.

The invention relates to a corn ear fast air drying machine and method. The air drying machine comprises a drum body; end covers are arranged at the top and bottom of the drum body; a heating bin, a wind homogenizing bin, an air drying bin and an exhaust channel are sequentially arranged in the cavity in the drum from bottom to top; electric heating pipes are arranged at the bottom of the heating bin; a blast hole is formed in the drum body; a wind homogenizing plate is arranged between the heating bin and the wind homogenizing bin; a temperature sensor is arranged in the wind homogenizing bin; a turntable is placed at the inner wall of the air drying bin and is provided with through holes; the drum body is provided with a loading side door convenient to open; a flexible clamping plate is arranged at the inner wall of an air duct cylinder; a temperature sensor and a humidity sensor are arranged in the exhaust channel; a liquid crystal display panel is arranged at the outer part of the drum body. The invention also discloses an air drying method, air outlets for entering the air drying bin are arrayed in sequence, large-flow air flows are formed, the air flows can be used for air drying at inner and outer sides of corn ears, air drying can be fast formed and the air drying speed is improved by more than four times compared with the natural air drying speed.

The invention discloses a processing method of bamboo shoots, and aims to provide a method for enabling the bamboo shoots to be well-cooked, facilitating drying the bamboo shoots and utilizing juice of the bamboo shoots. According to the technical scheme, the bamboo shoots are fumigated with high-temperature and high-pressure steam, the fumigated and well-cooked bamboo shoots are cooled, the cooled bamboo shoots are dewatered by a drying machine, the dewatered bamboo shoots are baked, the flowing juice of the dried bamboo shoots is mixed with edible oil for decocting seasoning. The processing method of the bamboo shoots, disclosed by the invention, comprises the following steps: (1) placing husked and cleaned bamboo shoots in a sealed fumigation pool, and discharging high-temperature and high-pressure steam from a steam boiler to fumigate the bamboo shoots so that the bamboo shoots are well-cooked; (2) cooling and fumigating the well-cooked bamboo shoots out of the pool; (3) dewatering the cooled bamboo shoots by the drying machine and collecting the juice of the bamboo shoots flowing out during drying; (4) baking the dewatered bamboo shoots; (5) mixing the collected juice of the bamboo shoots with the edible oil for decocting the seasoning. According to the technical scheme, the processing method is easy and convenient to operate, the dewatering speed of the dried bamboo shoots is high by using the processing method of the bamboo shoots, and the quality of the seasoning decocted from the juice of the bamboo shoots is good.

The invention discloses a cam-controlled faece dehydrating device. The cam-controlled faece dehydrating device comprises a dehydration tank, wherein a hopper is connected to the middle of the top tankbody of the dehydration tank; first baffles are respectively connected to the inner walls of the left side and the right side of the upper part of the dehydrating tank; a first discharging opening isformed between the two first baffles; a dehydration chamber is arranged below the first discharging opening; a first extrusion plate is arranged on the left side of the dehydration chamber; second fixed blocks are fixedly connected to the upper end and the lower end of the left side of the first extrusion plate; first springs are connected to the left ends of the second fixed blocks; a first fixed block is connected to the left end of each first spring; a second discharging opening is formed below the first springs; a faece storing chamber is arranged below the second discharging opening; a second baffle is obliquely connected to the lower part of the faece storing chamber; a second discharging pipe is connected to the lower part of the tank body at the right side of the faece storing chamber; a second discharging valve is connected to the middle part of the second discharging pipe; a drainage board is arranged below the dehydration chamber. According to the cam-controlled faece dehydrating device disclosed by the invention, the faece dehydration effect is more obvious, the faece dehydration speed is increased and the working efficiency of faece dehydration is greatly improved.

The invention provides a processing method for raw materials of a rattan plaited craft. The processing method comprises the following steps that raw material rattan within a certain diameter range is obtained, the surface of the raw material rattan is polished and treated to be in the same diameter magnitude and the same length, and 30 rattan is bundled as a set; the bundled raw material rattan is placed in dehydration liquid for 8-12 hours to be soaked and dehydrated; the raw material rattan is washed with clean water to remove the dehydration liquid adhering to the surface after the dehydration; drying is conducted with hot-blast air, the drying is divided into three stages, and the rattan is dried to nine into dry; and the rattan is separated and tiled under the sunlight condition for 20-30 hours to complete the last-stage drying. According to the processing method for the raw materials of the rattan plaited craft, the anticorrosion and inflaming retarding processing treatments are conducted, so that the service life is long and the fireproof safety is high. The efficiency of dehydration of the adopted dehydrating and drying methods is high, and the disinfection treatment is conducted on the raw material rattan in the drying process, so that the batch production process is achieved.

The invention discloses a paper-making sewage zero release technique, and relates to a paper-making sewage disposal technique, in particular to a paper-making sewage disposal zero release technique. The pulping technique for paper-making absorbs water from a sewage and clean water tank (2), and a paper-making workshop also absorbs the water from the sewage and clean water tank (2); medicines are added into the paper-making workshop by a medicine feeding barrel; sewage exhausted by the paper-making workshop is treated by two fine mud tanks (1) and pumped by a mud pump (4) and then enters into a settling tank (3) and the sewage and clean water tank (2); and mud of the settling tank (3) is settled and then enters into the sewage and clean water tank (2). The paper-making sewage disposal zero release technique really realizes zero sewage release; a small paper mill saves hundreds of thousands of tons of water every year; and paper fiber and the sludge after treatment are reutilized, thereby saving the cost and realizing the multi-win situation of energy conservation, environmental protection and cost reduction.

The invention discloses a processing technology of vertical strip-shaped white tea. The processing technology comprises: a, tea-picking; b, withering; c, fixing; d, tidying of the tea to make shape; e, drying; and f, fragment enhancement. The step of withering combines compound withering indoor and hot air withering, and the withering operation includes: putting the fresh leaves into a water sieve, placing the water sieve into a withering room, withering the tea for 20-30 min by indoor light, naturally withering the tea for 3-5h in the room, putting the tea into a withering groove to perform hot air withering for 10-30 min, and performing the repeated operation for 2-3 times to obtain the withering tea leaves with water content of 40-50%. The step of fragment enhancement includes adding the dried tea into a fragment enhancer, and maintaining the tea in the fragment enhancer for 4-5 min at 100-120 DEG C to obtain the finished product. The processing technology combines compound withering indoor and hot air withering, performs withering alternately, uses the light effectively, promotes the disappearance of browish-green and moisture and conversion of the inclusion, has a certain effect on improving the mellow mouthfeel of tea infusion, provides controllable environment for stably producing high-quality white tea, and can get rid of the restriction of unfavorable weather condition such as cloudy and rainy.