82results about How to "Precise control of moisture content" patented technology

The invention discloses a modular soil body permeability tester. The modular soil body permeability tester comprises a soil body seepage system, a seepage condition control system and a data acquisition system. According to the modular soil body permeability tester, different modular components are assembled to simulate various test conditions so as to scientifically and effectively research the seepage characteristics of a soil body. The modular components include a top box, an organic glass cylinder, a bottom box, an artificial rainfall module, a reversed filter component and the like. According to the modular soil body permeability tester, the mounting and the detaching are convenient, the preparation of samples is facilitated, and water is recycled in a seepage process, so that the water resource can be saved; besides, each modular component can be freely selected and arranged aiming at different research purposes, so that the tester has height expandability and can meet various test requirements; by utilizing a modular design idea, the tester has the advantages of diversity, economy, high efficiency, expandability and the like, and measured test parameters are accurate.

The invention discloses a preparation method for a double quaternary ammonium side long chain anion-exchange membrane. The preparation method is characterized in that a dual-functional monomer with both tertiary amine group and quaternary ammonium group performs nucleophilic substitution on the main polymer chain with live benzyl bromine, benzyl chloride or chlorine acyl group, so as to obtain the double quaternary ammonium side long chain anion-exchange membrane. The raw materials are cheap and are easy to obtain, the preparation method is simple and is applicable to large scale industrial production, and the prepared anion-exchange membrane has the advantages of high ion conductivity, long service life, excellent mechanical property, and good solubility.

The invention discloses a sewage sludge reduction dewatering method which is based on a reduction dewaterer. The reduction dewaterer comprises at least one dewatering module, wherein each dewatering module comprises a two-way cylinder (1) and two symmetrically arranged dewatering units (2); each dewatering unit (2) comprises a dewatering shell (2.1), a supporting plate (2.2) and an extrusion plate (2.3); the supporting plate (2.2) is positioned on the outer side of the dewatering shell (2.1); the extrusion plate (2.3) is positioned on the inner side of the dewatering shell (2.1); the dewatering shell (2.1) is provided with a feed port (2.4); the two-way cylinder (1) is provided with two piston rods (1.1); and the two piston rods (1.1) are respectively connected with the extrusion plates (2.3) of the two dewatering units (2). The feed dewatering and extrusion dewatering are carried out at the same time, thereby enhancing the work efficiency. Meanwhile, the feed pressure is ingeniously used for dewatering in the extrusion dewatering process, thereby enhancing the power use effect.

The invention discloses an efficient and deep reduction treatment method for sewage sludge. The method is based on a reduction treatment device, the reduction treatment device comprises at least one dehydration module, each dehydration module comprises a bidirectional oil cylinder (1) and two symmetric dehydration units (2), and each dehydration unit (2) comprises a dehydration barrel (2.1), a supporting plate (2.2) and an extruding plate (2.3). The supporting plates (2.2) are located on the outer sides of the dehydration barrels (2.1), the extruding plates (2.3) are located on the inner sides of the dehydration barrels (2.1), and feeding ports (2.4) are formed in the dehydration barrels (2.1). Each bidirectional oil cylinder (1) is provided with two piston rods (1.1) which are connected with the extruding plates of two corresponding dehydration units (2) respectively. According to the method, feeding dehydration and squeezing dehydration are carried out at the same time, so that work efficiency is improved; meanwhile, the pressure of fed materials is ingeniously utilized for dehydration in the squeezing dehydration process, and therefore the power use effect is improved.

The invention provides a polluted soil ectopic curing repair construction device system and a construction method. The construction method comprises the following steps: polluted soil is excavated andfed to an airing platform, paved with impermeable facilities, for airing; the polluted soil is screened, garbage in the polluted soil is separated from soil, and the soil is primarily crushed; a curing agent is added in the polluted soil after crushing for uniform mixing to form a soil/curing agent mixture; water is injected in the soil/curing agent mixture for uniform mixing; the soil/curing agent mixture is pressed after water injection and mixing to form multiple soil curing blocks; and the soil curing blocks are maintained under a constant-temperature and constant-humidity environment with rated temperature and humidity ranges. Based on high-pressure pressing equipment, precise control of such parameters as pressure and soil water content, the construction device with higher automation degree and the construction method, the polluted soil ectopic curing repair engineering can be strictly performed according to the parameters obtained by a laboratory.

The invention discloses a cut tobacco drying outlet moisture content control method and device. The method includes that a first moisture detector detects moisture content of cut tobacco before primary blending at a preset time interval and sends a moisture content detection value of the cut tobacco before primary blending to a control signal generator; the control signal generator generates a first control signal according to the moisture content detection value of the cut tobacco before primary blending and target moisture content of the cup tobacco before primary blending; a PID controller performs PID control processing according to the first control signal to generate a second control signal; a hot air quantity control valve adjusts hot air quantity according to the second control signal to adjust the moisture content of the cut tobacco at a dried cut tobacco outlet so as to adjust the moisture content of the cut tobacco on a conveying belt before primary blending. By adding a moisture detector on the conveying belt before primary blending, the moisture content of the cut tobacco before perfuming is stabilized, and accurate control on the moisture content of finished cut tobacco is realized.

The invention provides a sampling method for accurately testing performance of a silicon steel magnesium oxide coating. The sampling method comprises the steps of 1) punching one area of a silicon steel plate before feeding the silicon steel plate into a coating machine, punching out part of the silicon steel plate to obtain the area of the silicon steel plate, then dividing the area into a plurality of to-be-tested steel plates and enabling each to-be-tested steel plate to be connected with adjacent to-be-tested steel plates through connection plates; 2) impressing a plurality of connection plates; 3) feeding the silicon steel plates into a coating machine, coating a magnesium oxide coating liquid on the surface of the silicon steel plate, namely coating the magnesium oxide coating liquid on the surface of the whole to-be-tested steel plate; 4) feeding the silicon steel plate coated with the magnesium oxide coating liquid into a drying oven to dry; 5) taking one to-be-tested steel plate down along the indentation of the connection plates and testing the coating amount of the magnesium oxide and the water content. The sampling method for accurately testing performance of the silicon steel magnesium oxide coating is favorable for accurately monitoring coating quality of the magnesium oxide and consumption amount of magnesium oxide raw material in a production field, so that guarantee can be provided for stable production of oriented silicon steel.

The invention discloses a method for preserving cordyceps sinensis. The preserving method comprises the following steps: washing cordyceps sinensis with linear flowing water; draining the cordyceps sinensis; putting the cordyceps sinensis in a dehumidifying device for pre-dehumidification treatment; lyophilizing the cordyceps sinensis in vacuum at low temperature; putting each piece of the cordyceps sinensis in an independent storage bottle, and sealing; taking out the storage bottle in the dehumidification device, and fixedly putting the storage bottle in a vacuum refrigeration tank. By adopting the method for preserving the cordyceps sinensis, the cordyceps sinensis is high in fresh keeping degree and good in preservation effect, can be easily kept fresh for a long time and transported for a long distance. Furthermore, the cordyceps sinensis wall-braking method has good market prospect and profit space.

The invention discloses a reduction dehydration device for sewage sludge. The reduction dehydration device comprises at least one dehydration module. Each dehydration module comprises a bidirectional oil cylinder (1) and two symmetric dehydration units (2). Each dehydration unit (2) comprises a dehydration barrel (2.1), a supporting plate (2.2) and an extruding plate (2.3). The supporting plates (2.2) are located on the outer sides of the dehydration barrels (2.1), and the extruding plates (2.3) are located on the inner sides of the dehydration barrels (2.1). Feeding ports (2.4) are formed in the dehydration barrels (2.1). Each bidirectional oil cylinder (1) is provided with two piston rods (1.1) which are connected with the extruding plates (3) of the two corresponding dehydration units (2) respectively. According to the reduction dehydration device, feeding dehydration and squeezing dehydration are carried out at the same time, so that work efficiency is improved; meanwhile, the pressure of fed materials is ingeniously utilized for dehydration in the squeezing dehydration process, so that the power use effect is improved, and product energy consumption is reduced.

The invention relates to the technical field of solid board processing, in particular to a method for controlling the moisture content of a solid wood ecological board. The method for controlling themoisture content of the solid wood ecological board comprises the following steps of a, processing wood raw materials; b, cutting the raw materials into platens; c, controlling the moisture of the platens; d, splicing the platens to form a board core; e, controlling the moisture of the board core; f, controlling the moisture of eucalyptus chips; g, forming a laminating board through the eucalyptuschips and the board core; and h, controlling the moisture of the laminating board. According to the method for controlling the moisture content of the solid wood ecological board, a multi-step moisture control method is adopted for key materials from the raw materials to the finished product, the product moisture is controlled to be in a reasonable and stable environment, the product is not proneto deforming or cracking in the using process, and the using quantity of chemical waterproof reagents is reduced.

The invention creatively provides an automatic control system of a tea frying machine. The automatic control system comprises a single-chip microcomputer, a temperature sensor, a humidity sensor, a motor, a current voltage detection module, a voltage stabilization circuit, a user interaction interface, a tea oil tube connected with the motor, a capacitive screen, an LED display lamp and a buzzer,wherein the temperature sensor, the humidity sensor, the motor, the current voltage detection module, the voltage stabilization circuit and the user interaction interface are connected with the single-chip microcomputer; and the capacitive screen, the LED display lamp and the buzzer are connected with the user interaction interface. According to the automatic control system of the tea frying machine, the temperature and the humidity of tea leaves in the tea frying machine are detected through rapid communication between the sensor and the single-chip microcomputer, and the state of the tea leaves in the tea frying machine is transmitted to a tea grower through the user interaction interface, so that the tea grower can select and monitor the preparation of different varieties of tea, the labor resources are reduced, and the temperature of a frying pan and the water content of the tea leaves are accurately controlled.

The invention discloses a really-through ceramic tile preparation method. Really-through ceramic tiles are prepared from, by weight, 35-40% of clay, 25-30% of kaolin and 30-40% of gravel stone, and total aluminum content of raw materials is 14.5-18% while total iron content of the same is less than or equal to 1%. The method includes following steps: A, grinding the raw materials and water until granularity is 40-45um, spray-drying to form granules, and aging until water content is 6.5-7%; B, drying at temperature of 200-250 DEG C for forming, and controlling water content of tile blanks to 0.5-1%; C, spraying glaze water to the surfaces of the tile blanks, putting into a roller kiln, drying at a temperature interval of 200-400 DEG C, and feeding into a temperature interval of 1210-1220 DEG C for firing until water absorptivity is 1-3%. By the method, the problem that existing really-through ceramic tiles are poor in compression resistance and anti-freezing performance, high in water absorptivity, unitary in pattern color and poor in texture.

The invention discloses a water content-controllable flour-stirring device for an automatic steamed bun making machine. The water content-controllable flour-stirring device comprises a primary flour-stirring device and a secondary flour-stirring device. A conveyor belt is arranged between an outlet of the primary flour-stirring device and an inlet of the secondary flour-stirring device. A moisture detector is arranged above the conveyor belt. A weight sensor is arranged below the conveyor belt. Output parts of the moisture detector and the weight sensor are connected to a processor. A control signal output end of the processor is connected to an electromagnetic flow control valve. The electromagnetic flow control valve is arranged on a water supply pipe for supplying water for the secondary flour-stirring device. The water content-controllable flour-stirring device realizes accurate control of water content of dough and steamed bun obtained by the water content-controllable flour-stirring device satisfies requirements.

The invention provides a preparation method for preparing nano silicon dioxide by an impinging stream method. The preparation method comprises the following steps of: (1) preparing a silicon dioxide emulsion from silicon dioxide colloid; (2) spraying the silicon dioxide emulsion in a high-pressure jet device, forming a turbulent fluid system after spraying to form nano atomized liquid drops, and meanwhile, starting frozen airflow to blow the nano atomized liquid drops to quickly solidify the formed nano liquid drops; and (3) collecting the cured nano silicon dioxide product, and reducing the pressure to normal pressure and raising the temperature to normal temperature to obtain the final nano silicon dioxide product. The impinging stream method for preparing nano silicon dioxide is low incost and simple to operate, the product quality and yield are greatly improved, the water content in the product can be accurately controlled, and industrial production is facilitated.

The invention belongs to the technical field of chemical testing, and particularly relates to a catalyst testing system, which includes a gas supply device, a sample feeding device, a separation reaction device, and a liquid sample detector. Before entering the detector, it is easy to cause the problem of gas-liquid mixing affecting the test effect. It has the beneficial technical effects of good test effect, prevention of condensation, avoiding dead volume, precise control of water content in the gas, and less water content of the sample after separation.

The invention discloses a digestive hawthorn cake. The digestive hawthorn cake is prepared from the raw material components in parts by weight: 30 to 40 parts of hawthorns, 10 to 20 parts of endothelium corneum gigeriae galli, 5 to 8 parts of coloured malt, 5 to 8 parts of yam, 3 to 5 parts of pericarpium citri reticulatae, 10 to 15 parts of white granulated sugar, and 10 to 15 parts of rock sugar. The hawthorn cake is prepared from the pure natural raw materials, matching is reasonable, the nutritional value is high, and the hawthorn cake has the characteristics that digestion is facilitated, intestinal peristalsis is promoted, and the stomach is nourished. In addition, the invention further provides a preparation method of the hawthorn cake. The preparation method is designed accordingto characteristics between the materials, a coagulant, pigment, and a chemical preservative are not additionally added, low temperature environment is adopted to keep nutrients not to be lost to the greatest extent, and more active ingredients or nutrients can be added so as to be kept better in the temperature range.

The invention discloses a double-weighing moisture regaining method for cigar core tobacco leaves, which is suitable for moisture regaining of cigar tobacco leaves, especially for moisture regaining of cigar core tobacco leaves. The method comprises the steps of weighing the number of tobacco leaves to be dampened, detecting the original water content, calculating the water adding amount needed by dampening, weighing water needed by dampening and humidifying, humidifying the tobacco leaves, stacking the tobacco leaves, and balancing the moisture of the humidified tobacco stack. The method is used for tobacco leaf moisture regaining, the moisture regaining moisture of cigar core tobacco leaves can be accurately controlled, the uniformity of tobacco leaf moisture regaining is improved, the phenomena of tobacco leaf mildewing, mixed color and the like in fermentation caused by non-uniform moisture regaining are completely eradicated, and the tobacco leaf fermentation quality is greatly improved.

The invention discloses a pulsed electric field based quick curing device and method of dry-cured ham. The pulsed electric field based quick curing device comprises a grounded stainless steel conveying belt and high-voltage electrode roll shafts, wherein pork legs with bone are put on the grounded stainless steel conveying belt, so the lower surfaces of the pork legs with bone are in close contactwith the grounded stainless steel conveying belt; three high-voltage electrode roll shafts arranged in a line perpendicular to the conveying direction of the grounded stainless steel conveying belt are arranged above the grounded stainless steel conveying belt, the lower surfaces of the three high-voltage electrode roll shafts are in close contact with the upper surfaces of the pork legs with bone; and the electrode structures of the three high-voltage roll shafts are same and all comprise metal rollers, guiding shafts, rolling bearings, screw caps, insulating bases and spring rods, and the metal rollers are connected with pulse generators. According to the pulsed electric field based quick curing device, microsecond-level pulsed high-voltage electricity is applied to ham by virtue of electrodes formed by the grounded conveying belt and the stainless steel roll shafts, and a high-voltage pulsed electric field in the ham can induce perforation of muscle cells in the pork legs and increase pores among tissues, thereby enabling subsequent salt to quickly penetrate into the ham and greatly shortening the curing time.

The invention provides a pulping method and pulping equipment for producing a Fu tea, and relates to a Fu tea production method and Fu tea production equipment. The pulping method adopts the following steps: transporting tea leaf raw materials: transporting blended tea leaf raw materials into a material bin; cooking tea liquor: putting tea stems and water in a cooking pan according to the weight ratio of the tea stems to the water being 1: 50-150, cooking the tea stems and the water for 1-2 hours, filtering tea liquor, and putting the filtered tea liquor into a tea liquor pot; putting the tea leaf raw materials: quantitatively putting the tea leaf raw materials into a mixer from a feed opening of the material bin, and automatically pulping the tea leaf raw materials; extracting the tea liquor from the tea liquor pot through an automatic programmed pulping machine, quantitatively spraying seriflux to the tea leaf raw materials in the mixer, controlling the weight of the sprayed seriflux to be 20-35% of that of tea leaves, and automatically stirring the tea leaf raw materials and the seriflux; pulping the tea leaf raw materials while stirring the tea leaf raw materials until the seriflux is uniformly distributed in the tea leaf raw materials, controlling the stirring time to be 0.5-2 minutes, and automatically discharging the stirred tea leaf raw materials; automatically discharging the stirred tea leaf raw materials, and enabling the discharged tea leaf raw materials to enter subsequent working procedures. According to the pulping method and the pulping equipment disclosed by the invention, cleaning, programming and standardizing of Fu tea production are realized.

The invention discloses vitality-strengthening haw jelly. The vitality-strengthening haw jelly is prepared from the following raw material components in parts by weight: 5-8 parts of black sesame seeds, 5-8 parts of walnut kernels, 5-10 parts of red dates, 3-5 parts of donkey-hide gelatin, 15-20 parts of rock candy, 15-20 parts of white granulated sugar, 6-12 parts of liquorice roots, 2-4 parts of a thickening agent and 50-70 parts of haws. In addition, the invention also provides a preparation method of the vitality-strengthening haw jelly. According to the invention, a coagulator, pigment and chemical preservative are not additionally added; the haw jelly prepared according to the formula and the preparation method in the invention is fine and smooth in taste, chewy and good in appearance; the black sesame seeds, the walnut kernels, the red dates, the donkey-hide gelatine and other auxiliary materials are added into the vitality-strengthening haw jelly; and the vitality-strengthening haw jelly has the effects of tonifying liver and kidney, moistening five internal organs, tonifying qi, relaxing bowel, tonifying middle-Jiao and Qi, nourishing blood and tranquilizing.

The invention discloses a preparation method of tremella auramtialba and ganoderma lucidum health tea with good taste and high nutritional value. The preparation method comprises the processes of raw material treatment, primary mixing, secondary mixing and ultrafine smashing, and concretely comprises the following steps: respectively cleaning tremella auramtialba and ganoderma lucidum, cutting into blocks, and drying the blocks by low-temperature hot air until the moisture content of the blocks is 8 to 9 percent; after mixing the tremella auramtialba blocks and the ganoderma lucidum blocks according to the weight ratio of 1: (0.8 to 1.2), coarsely crushing into mixed fine powder of 15 to 20 meshes; then mixing the tremella auramtialba and ganoderma lucidum mixed fine powder with sugar according to the weight ratio of 5: (1.5 to 2), and drying by the low-temperature hot air until the moisture content of a mixture is 4 to 5 percent; finely crushing the mixture into ultrafine powder of 200 to 300 meshes. According to the preparation method, on the premise that effective nutritional components are efficiently dissolved, the technical problem of improper control on the granularity in the conventional fine powder preparation technology is solved, and the shortcoming of poor taste is overcome, so that the health tea tastes fine and mild, and is higher in popularization and application value.

The invention relates to a yarn humidity adjusting device and method and a bobbin winder. The yarn humidity adjusting device comprises a liquid storage tank, a yarn guide mechanism, a bearing mechanism, a height adjusting mechanism and an elastic humidifying mechanism. The bearing mechanism is movably connected to the side wall of the liquid storage tank through the height adjusting mechanism, the bearing mechanism is located in the liquid storage tank, the height adjusting mechanism is used for adjusting the height of the bearing mechanism, the elastic humidifying mechanism is arranged on the bearing mechanism and is of a porous structure, and the yarn guiding mechanism is connected to the liquid storage tank. The yarn guide mechanism is used for guiding the yarn to pass through the position above the elastic humidifying mechanism. During use, liquid is injected into the liquid storage tank till the elastic humidifying mechanism makes contact with the liquid in the liquid storage tank, yarn is guided to pass through the position above the elastic humidifying mechanism, the yarn makes contact with the elastic humidifying mechanism, the moisture content of the yarn after being guided out is detected, and the height of the bearing mechanism is adjusted through the height adjusting mechanism; the extrusion degree of the elastic humidifying mechanism and the yarn is adjusted until the moisture content is within the target interval.

The invention relates to a stirring instrument capable of controlling the water content and a use method thereof. The stirring instrument capable of controlling the water content comprises a water tank, stirring blades, a stirring tank, an electrical control module, a driving device and a bracket from upper to bottom in sequence, wherein electrical control spray nozzles are arranged on the lower side of the water tank; a discharge opening is formed in the lower side of the stirring tank; the electrical control module is connected with a power supply; the electrical control module comprises a single-chip microcomputer and a power switch; the single-chip microcomputer is connected with the electrical control spray nozzles and the driving device; the stirring blades are arranged inside the stirring tank in a rotating manner through a stirring shaft. According to the stirring instrument capable of controlling water content, the working efficiency of material stirring and the uniformity of stirred soil can be improved through the utilization of the mechanical automatic stirring capability and the automatic adjusting capability; the structure is simple, the practicability is high, the production maintenance cost is low, and the popularization and application are facilitated.