57results about How to "Guaranteed contact time" patented technology

The invention discloses a production method of 3-chloropropionic acid. The method comprises the following steps of 1, continuous reactor assembly; 2, 3-chloropropionic acid preparation; 3, 3-chloropropionic acid purification; 4, 3-chloropropionic acid continuous production. The production method has the advantages that the method is simple; the operation is convenient; the acrylic acid conversionrate is high; the 3-chloropropionic acid with the purity being higher than 99 percent can be obtained without purification; the energy consumption is low.

The invention relates to the technical field of foods, in particular to a folk acid fish sauce and a preparation method thereof. Small river fish, hot peppers, fresh ginger and the like are separately treated with clean water and home-made wine, so that parts of nutrient elements perform pre-reactions, further nutrient components in raw materials are improved, and the quality of the made acid fish sauce is improved; particularly in the making process, the raw materials including the hot peppers, the fresh ginger, the small river fish and the like are treated, so that capsaicine in the hot peppers and other nutrient components in the fresh ginger are uniformly mixed; raw materials including grain bran, the small river fish and the like are uniformly mixed, then water is added, the mixture A of the hot peppers and the fresh ginger is added, the grain bran, the small river fish, the water, and the mixture A of the hot peppers and the fresh ginger are mixed to form a mixture B, an appropriate amount of edible salt is added, and the temperature and the mixing speed when the edible salt is added are controlled, so that the contact time of various nutrient substances in the mixed materials is guaranteed; sealed fermentation treatment is performed on the mixed materials with a local folk traditional secret recipe, so that nutrient substances in the acid fish sauce are guaranteed, the grade and the quality of the acid fish sauce are improved, the mouth feel is improved, and the quality guarantee period is prolonged.

The invention provides a wet-type fine particles capturing device. The wet-type fine particles capturing device comprises an ultrasonic vapourizer and a venturi deduster, the venturi deduster comprises an inner tube and an outer tube, the inner tube is sleeved in the outer tube and forms a backflow chamber with the outer tube, a water inlet and an air inlet are arranged on the outer tube, an output terminal of the ultrasonic vapourizer, an output terminal of the ultrasonic vapourizer is connected with the water inlet, an air outlet is arranged on the inner tube, the air outlet is arranged at the bottom of the backflow chamber, and a water outlet is arranged at the bottom of the backflow chamber. By employing the ultrasonic vapourizer, water drops are changed to water mist, a mode that gasis introduced from up to down and water mist is introduced from down to up is employed, the water mist and to-be-processed gas form convection current, by using a principle of large gravity of the water mist and small gravity of gas, backflow is formed between the water mist and gas, so that contact time of the water mist and the gas is longer, the fine particles capturing rate of the venturi deduster is effectively increased, the contact time of the gas and the water mist is guaranteed, and the purifying effect is increased.

The invention discloses a closed type sterilization system for packaging paper of a sterile packaging machine. The closed type sterilization system comprises a hydrogen peroxide slot, a roller wheel system, a sterile room and a water bath heater, wherein a hydrogen peroxide supplementing tank is connected to the bottom of the hydrogen peroxide slot; the water bath heater is matched with the hydrogen peroxide slot; the sterile room is positioned at the downstream end of the hydrogen peroxide slot; a compressor and an air heater are arranged in the sterile room; the compressor and the air heater are connected in series; and the roller wheel system is used for feeding the packaging paper into heated hydrogen peroxide to contact with the hydrogen peroxide, and then guiding the packaging paper into the sterile room. The closed type sterilization room is simple in structure and good in sterilizing effect.

The invention discloses a cutting method of a laser cutting machine. A supporting panel is included, supporting legs are fixedly connected to the two sides of the bottom of the supporting panel, fixed plates are fixedly connected to the two sides of the top of the supporting panel, movement grooves are formed inside the fixed plates, movable plates are movably connected to the tops of the movement grooves, ejection plates are fixedly connected to the tops of the movable plates, tooth plates are fixedly connected with the bottoms of the movable plates, and the sides, far away from the movable plates, of the tooth plates extend to inner cavities of the movement grooves. According to the cutting method, the tooth plates, a motor, a gear, a laser cutting pen, a protective sleeve, a connecting rod, a limiting plate, a carbon steel plate body, a control box and a metal rod are arranged, the carbon steel laser machining manner can be converted from fixed power cutting into continuous power cutting, stability of the carbon steel cutting process can be greatly improved, the carbon steel cutting face flatness is correspondingly improved, and the improvement of the cutting face flatness means the improvement of the carbon steel quality.

The invention provides a filter material, a filter element, and a water purification cup. The filter material comprises: carbon particles; and resin, wherein the particle size of the resin is 300-1600[mu]m. Therefore, the particle size of the resin in the filter material is within the range, so that the flow velocity of water is relatively proper, removal of heavy metal pollutants (such as copperand cadmium), industrial pollutants (such as tetrachloroethylene), residual chlorine and calcium and magnesium ions in the water is facilitated, and a relatively good water purification effect can beachieved.

The invention provides a warm air blower capable of improving heat exchange rate between air and a heat source in a housing and ameliorating combustion of fuel. The invention is provided with: the housing (14) having a suction opening (10) and an exhaust opening (12); the heat source (16) provided within the housing (14); and an air feeding mechanism (18) for sucking the air from the suction opening (10) into the housing (14), exhausting the air within the housing (14) from the exhaust opening (12), and heating the air sucked into the housing (14) via the heat source (16) to exhaust from the exhaust opening (12) in a form of warm air; the heat source (16) includes a combustion chamber (20) that heats and radiates an internal combustor (24), a plurality of radiating fins (32) are provided over outer circumference of wall bodies (20a) constituting the combustion chamber (20).

The invention discloses a textile fabric leveling device, comprising a leveling plate. A fixing support and a supporting frame are respectively arranged on two sides of the leveling plate; a bracket,a supporting plate and a vertical plate are respectively arranged on the supporting frame, a rotary plate is rotationally connected onto the supporting plate, a fabric reeling motor is arranged on thevertical plate, and is connected with a drive disc, and the rotary plate is provided with a driven disc; a mounting support is arranged on the leveling plate and provided with a fixing frame, a slidetable is slidably connected to the fixing frame, a guide rail and a fixing rack are respectively arranged on the fixing frame, a push table is slidably connected on the guide rail, a drive motor is arranged on the fixing rack, a driving rod member is movably connected between the drive motor and the push table, a U-shaped support is arranged on the bottom surface of the slide table, and a pressing roll is rotationally connected on the U-shaped support. The textile fabric leveling device is of novel structure and capable of realizing automatic cycling to save labor and facilitate operation, has good leveling effect, effectively removes creases on surface of the fabric, and accordingly improves quality of the fabric.

The invention discloses an anthraquinone hydrogenation non-uniform pore channel partition nickel-based monolithic catalyst and a preparation method thereof. The catalyst consists of a nickel-based monolithic catalyst carrier and a noble metal component, wherein the noble metal component is one or more of palladium, platinum, rhodium and ruthenium; and based on the weight of the catalyst, the catalyst comprises 0.05 to 2 percent, preferably 0.1 to 1 percent, of noble metal component and the balance of the catalyst carrier. The preparation method comprises the following steps: (1) mixing and kneading activated nickel oxide, adhesive and a peptizing agent into plastic paste, putting the paste into a compression die, performing strip extrusion to form a non-uniform pore channel monolithic structure, drying and roasting, and cutting out the required height in the direction vertical to the pore channel to obtain a nickel-based monolithic catalyst carrier containing molybdenum oxide; and (2) dipping one end of the nickel-based monolithic catalyst carrier into a solution containing the noble metal component, performing dipping treatment, and drying and roasting to obtain the catalyst product. The catalyst has the non-uniform pore channel, is applied to hydrogenation process of preparation of hydrogen peroxide by an anthraquinone method, guarantees the reaction activity of the catalyst and improves the reaction selectivity.

The invention discloses a domestic sewage treatment system and method. The treatment system comprises a primary treatment box, a secondary treatment box and a disinfection tank, the primary treatmentbox is internally provided with an accumulation area, a filtering area, a settling area and a standing area, and the settling area is internally provided with a medicine kit; an upper fixed plate, a lower throttle plate, an activated carbon accumulation layer and a percolation layer are arranged in the secondary treatment box, an accommodating cavity is disposed in the activated carbon accumulation layer, a flow split box is arranged in the accommodating cavity, a driving motor is arranged at the bottom of the secondary treatment box, and the driving motor is connected to the flow split box through a rotating shaft. The treatment method includes the steps of: (a) primary filtration; (b) precipitation; (c) disinfection; (d) secondary filtration. The treatment system disclosed by the invention is reliable in operation, has high treatment efficiency and good effect, can effectively remove pollutants and impurities in sewage, and reduces the harmfulness of sewage, the treatment method is simple in process, progressive, and is easy to control, the treatment effect is effectively guaranteed, the water quality of the treated sewage is improved, thus facilitating utilization.

The invention belongs to the field of indoor environment purification, and particularly relates to a sectional type air formaldehyde purifier for intelligent home protection. The sectional type air formaldehyde purifier for intelligent home protection comprises a vertically-arranged purification cylinder, wherein the upper end of the side wall of the purification cylinder fixedly communicates with a gas outlet pipe, the lower end of the purification cylinder fixedly communicates with a gas inlet pipe, and a horizontally-arranged driving fan is arranged in the gas inlet pipe; the end part of each fan blade of the driving fan is fixedly connected with a conductive block, each conductive block is slidably connected with the inner side wall of the gas inlet pipe, a fixed magnetic plate is fixedly embedded into the side wall of the gas inlet pipe, the fixed magnetic plate is arranged to be matched with the conductive blocks in position, and a horizontally-arranged fixing ring is fixedly connected into the purification cylinder. According to the invention, partition plates are arranged, the plurality of partition plates are arranged at a gas outlet port end of the gas inlet pipe in a staggered mode, gas needs to be changed in the direction multiple times in the flowing process, in the process, part of dust in the gas falls onto the partition plates due to collision with the partition plates, and a dust removal effect is further achieved.

The invention discloses a high-efficiency coating machine with a high-applicability stirrer, which comprises a pot body, a plurality of groups of adjusting devices are arranged on the pot body, each adjusting device comprises a stirrer, the stirrer is vertically fixed on a sliding block made of a permanent magnet material, and two ends of the sliding block are connected with supporting blocks in a sliding chute through buffer springs; a plurality of first vent holes, a plurality of second vent holes, an upper air valve and a lower air valve penetrate through the side walls, located on the two sides of the adjusting device, of the pot body, a first electromagnet is arranged on the outer cylinder, and second electromagnets are arranged on the two sides of the first electromagnet. The device solves the problems that the height of a stirrer in an existing coating machine cannot be adjusted, the adaptability to tablet cores with different properties is poor, the hot air discharge amount cannot be controlled in a targeted mode in the tablet core drying process, and energy consumption is high.

The invention discloses a closed water sealed well and drainage system for an oil and gas field with sulfur. The closed water sealed well comprises a vertical pipe, a first branch pipe, a second branch pipe and a blind flange, wherein the first branch pipe is communicated with a water inlet pipe, and wherein the second branch pipe is communicated with a water outlet pipe; a first bypass orifice and a second bypass orifice which are located at the opposite two sides of the vertical pipe are formed in the pipe wall of the vertical pipe, and the second bypass orifice is located on the first bypass orifice; the first branch pipe is communicated with the vertical pipe through the first bypass orifice, the second branch pipe is communicated with the vertical pipe through the second bypass orifice, and the pipe section between the top end of the vertical pipe and the second bypass orifice is an inspection section; the pipe section between the first bypass orifice and the second bypass orifice is a water sealing section; the pipe section under the first bypass orifice is a mud precipitation section; the blind flange is connected with the top end of the vertical pipe in a sealing mode. Therefore, toxic gases in the drainage system are kept in a sealed pipeline and do not leak. When one place in the drainage system burns, the water sealing section can prevent fire from spreading, so that the safety of operators on the scene is guaranteed, and the environment pollution is reduced.

The invention discloses an assembly process of work shoe accessories, which comprises the following steps of laying the sole and the upper of the shoe on two installation parts of the glue-sprayed board respectively; purging and dust-removing the sole and the upper of the shoe; Spray glue on the joint part at a speed of 4s/cm2 to 5s/cm2. When the glue spraying length of the bonding part reaches 13 cm to 17 cm, start spraying the sprayed part at least 5 cm from the starting position of the glue spraying according to the glue spraying direction. Carry out bonding, and keep the length of the sprayed part 8 cm to 12 cm longer than the length of the sticking part during the glue spraying process; dry the glued sole and upper. In this solution, the glue spraying process and the bonding process are carried out simultaneously to improve shoemaking efficiency. Glue spraying is only for the sticking part, which not only saves glue but also saves glue spraying time; ensures the contact time between glue and air, improves the bonding effect and improves the quality of shoemaking.

The invention relates to the technical field of heat exchange equipment, and discloses a thin type heat exchanger. The heat exchanger comprises a machine body, a support is fixedly mounted in the machine body in a crossed manner, a heat exchanger body is fixedly mounted on the crossing portion of the support, for the thin type heat exchanger, a heating column which is rotatably designed in a column shape is driven by a motor to rotate and is matched with a wind baffle and a dust collecting groove to be mounted, after a fan is started, cold fresh air sucked from the outside enters equipment through a fresh air supply opening, under the guide effect of an air guide plate, the cold fresh air flows downwards to make contact with the rotating heating column, through driving of the rotating heating column, heating is carried out, under the guide effect of the wind baffle, contact duration of the cold fresh air and the heating column is ensured, the heating effect of the cold fresh air is ensured, under the effect of the rotating centrifugal force, dust slips along the wind baffle to enter the dust collecting groove, dust in the cold fresh air is not prone to being bonded on the outer surface of the heating column, and the input amount of the cold fresh air is ensured.