42results about How to "Guaranteed drying time" patented technology

The invention provides a pneumatic drying method and equipment thereof for realizing large-flow tobacco material puffing drying treatment; the method comprises the following steps: puffed tobacco material is conveyed to a drying pipe for being dried by hot air flows, and then the tobacco material is separated from hot sir; the drying pipe is composed of a horizontal drying pipe and a vertical drying pipe of which the cross section is more than the cross section of the horizontal drying pipe; hot air with the temperature at 100-250 DEG C and air flow speed of10-50m / s of is sent in the horizontal drying pipe, wherein the air flow feeding direction is vertical to the material feeding direction; the material driven by hot air flows enters in the vertical drying pipe and is ascended in a suspension way, and the ascending speed of the material is reduced to 0.5-5m / s; meanwhile, sundries such as slivers with large density in the material can not be suspended and are separated pneumatically under the wind speed. By arranging the vertical drying pipe with large caliber, the speed of the material, moving upwards along the air flow direction, is reduced, on the premise of not increasing the drying route, the drying time of the material is prolonged, heat-transferring and mass transferring coefficient is improved, and the drying time of the material is improved.

The invention discloses an aqueous synthetic leather production line. The aqueous synthetic leather production line is characterized by sequentially comprising, according to production procedures, a double-station release paper unwinding machine, a release paper joint table, a storage device, a first precision coating machine, a first drying oven, a double-roll cooling machine, a second precision coating machine, a first multi-layer fold back type drying oven, a multi-roll cooling machine, a stripping device, an edge cutting machine and a double-station winding machine, wherein the double-station winding machine comprises a product winding portion and a release paper winding portion. The aqueous synthetic leather production line is simple in arrangement and adaptive to aqueous synthetic leather production requirements, and mass production of aqueous synthetic leather can be realized. The drying oven is lengthened due to adoption of the 'fold back type drying oven', so that products can stay longer in the drying oven to adapt to drying and foaming characteristics of aqueous products. Further, production efficiency is improved, product quality can be guaranteed, occupied area is reduced, and cost reduction and efficiency improvement can be realized.

The invention discloses a production system for producing building plaster by using desulphurization gypsum. The production system comprises a feeding system, a drying system, a calcining system, a dust removing system, a burning system and a material storing and packaging system, wherein the feeding system is used for feeding plaster materials; the drying system is used for drying the plaster materials; the calcimining system and the burning system are used for calcining the plaster materials into the building plaster; the material storing and packaging system is used for packaging the building plaster; the dust removing system is applied to all subsystems of the production system for removing dust in the production. The production system has the following advantages that the building plaster is prepared by a drying and calcining two-step method of a spiral dryer and a fluidized bed combustion boiler; the production system has remarkable advantages of low energy consumption, simple technology, stable quality of a product, easiness in control and the like.

The invention discloses a continuous spinning process for a viscose coarse denier flat filament, which comprises the following steps that: viscose measurement and forming, washing, drying and tube forming; the measured viscose reacts and is formed into filament strips in a glass forming tube; the filament strips formed in the glass forming tube are tractioned to a sink by a pressure roller of the multi-stage sink to be washed in a plurality of stages; the filament strips on the tail end of the multi-stage sink are tractioned to a steam dryer by the pressure roller; and the steam dryer dries the filament strips, and then forms the dried filament strips into a tube. The invention completes a plurality of procedures on a production line, optimizes the process, and achieves the purposes of shorter process, reduced process fluctuation, small quality difference between batches, reduced end breakage, higher yield, lower cost, higher quality and lower labor intensity.

The invention discloses an ultrasonic-reinforced controlled atmosphere drying method and device. According to the method, when controlled atmosphere hot air is used for drying a material, the material is subjected to a direct contact ultrasonic treatment. With the ultrasonic-reinforced controlled atmosphere drying method provided by the invention, an oxidation reaction process during a drying process is effectively inhibited, such that effective components in the material are protected, color browning is effectively inhibited, and a problem that nutrients are prone to oxidative degradation under conventional hot air drying is solved. The direct contact ultrasonic treatment has a synergistic effect with controlled atmosphere drying under a low-oxygen environment. With the method, product quality is ensured, and ultrasonic energy is directly transferred into the material, such that water content migration rate of controlled atmosphere drying is effectively improved, and energy utilization rate and mass transfer reinforcement efficiency are improved. Therefore, drying efficiency is increased and drying time is shortened, and problems of low drying rate and poor product quality of conventional hot air drying are solved. The method and the device have a good application prospect.

The invention relates to a full-automatic curing furnace for visual panel screen printing drying in the field of drying and curing heating furnaces. The full-automatic curing furnace comprises a feeding device used for pushing material trays to enter the furnace, a material supporting device used for supporting the material trays fed into the furnace one by one and stacking the material trays intoa material tray stack, a conveying device used for conveying the material tray stacks to the other side in the furnace from one side in the furnace, a lifting device used for lifting the material tray on the uppermost layer in the material tray stack to be correspondingly horizontal to a discharging opening, a discharging device used for taking out the material trays from the furnace, a materialtray conveying device used for conveying the taken-out material trays to the lower portion of the furnace tail and a material lifting device used for lifting the material trays to a furnace feeding opening after panels to be dried and cured are placed in the empty material trays. The curing furnace is small in occupied area and can carry out online continuous production, product quality stabilitycan be guaranteed, and the production efficiency can be improved.

The invention discloses a mobile soil quick dryer suitable for sticky soil. The mobile soil quick dryer comprises a machine body and a walking assembly disposed at the bottom of the machine body, andfurther comprises an auger conveying assembly disposed in front of the machine body, a second drying assembly disposed at the rear of the machine body and a first drying assembly disposed on the upperportion of the machine body. A first pulverizing device is disposed between the first drying assembly and the machine body, a second pulverizing device and a circuitous soil conveying assembly are disposed in the machine body, and the auger conveying assembly is located between the pulling direction of the machine body and an inlet of the first drying assembly. The mobile soil quick dryer is suitable for an area where the soil is sticky, the rainy season is long, and the mechanized rotary tillage ridging is difficult, and is particularly suitable for the seeding of seeds having the soil moisture requirement. The oil quick dryer achieves secondary quick drying of sticky and wet soil through two procedures, quickly evaporates the soil moisture to about 20%-25% of the content and has practical value for farming during the farming season, and the whole device is movable and convenient to use.

The invention relates to a straight-through drying oven with an air curtain system. The straight-through drying oven comprises an inlet hood region, a fresh air curtain region, an inlet air curtain region, a preheating region, an internal air curtain region, a heating region, an outlet air curtain region, and an outlet hood region, wherein the regions are communicated with one another sequentially from front to rear. Each of the fresh air curtain region, the inlet air curtain region, the internal air curtain region and the outlet air curtain region is provided with an air curtain guide plate. Each air guide plate comprises a first angle plate and a second angle plate. A first top plate of the first angle plate and a second top plate of the second angle plate are both mounted a top wall plate of the drying oven. A gap between a first sloping plate of the first angle plate and a second sloping plate of the second angle plate forms an air passage. The air curtain guide plates in the inlet air curtain region and the outlet air curtain region prevent smoke inside the drying oven from overflowing. The air curtain guide plate in the internal air curtain region separates different temperature areas, so that temperature disturbance amongst different temperature areas is prevented effectively.

The invention provides a drying device for suaeda salsa seed purification. The drying device comprises a drying pipeline, an upper partition plate and a lower partition plate are arranged in the drying pipeline symmetrically and are a drying plate located in the upper middle in the pipeline and a draining plate located in the lower middle in the pipeline respectively, a ventilation opening is formed in the drying plate, draining holes are formed in the draining plate, and the diameter of the draining holes is smaller than the particle size of suaeda salsa seeds. The drying device can further dry the seeds after washing and impurity removal are carried out on the seeds, the seeds are cleaner, which is beneficial for further developing and using the seeds in the later period, components good for the human body are extracted and used for food processing, the seeds washed with water can be dried, the drying effect is good, and the storage time is long.

The invention relates to precoated sand and a preparation method thereof, in particular to 3D printing precoated sand and a preparation method thereof. The 3D printing precoated sand is prepared fromthe following raw materials in parts by weight: 80-90 parts of silica sand, 50-60 parts of graphite powder, 10-15 parts of lignin, 1.2-1.6 parts of sodium hexametaphosphate, 3-5 parts of pyrethroids compound, 3-5 parts of nitrile rubber, 3-5 parts of maltose, 10-20 parts of silica sol and 20-25 parts of phenolic resin. The 3D printing precoated sand provided by the invention is excellent in mechanical property, high in curing speed and good in high-temperature resistance, and addition of chemical components is reduced. The preparation method of the 3D printing precoated sand provided by the invention is simple to operate, and the process parameters are strictly controlled, so that the product quality of the precoated sand is finally guaranteed.

The invention discloses an air distribution structure of a low-temperature rotational-flow rotary-disc material drying machine. The air distribution structure of the low-temperature rotational-flow rotary-disc material drying machine comprises a drying chamber and a heat pump; large material discs and small material discs are disposed in a staggered mode along a center shaft in the drying chamber;and the large material discs and the small material discs rotate synchronously with the center shaft. The air distribution structure of the low-temperature rotational-flow rotary-disc material dryingmachine is characterized in that air distribution rings are disposed in the positions, corresponding to the upper portions of the large material discs and the small material discs, on the inner wallof the drying chamber correspondingly; the air distribution rings communicate with an air outlet of the heat pump; air distribution mechanisms are disposed on the air distribution rings; and downwardair distribution openings are formed in the air distribution mechanisms. Hot air directly blows wet materials through air distribution pipes by means of the air distribution rings in the drying chamber, and accurate demand control over the hot air quantity and hot air speed can be performed according to the humidity; and the hot air and the wet materials of the certain layers are subjected to heatexchange, and then the hot air enters the positions between the large material discs and the small material discs of the next groups from through holes of the large material discs or gaps between thesmall material discs and the side wall of the drying chamber.

The present invention discloses a grading and selecting device of dried fruits. The grading and selecting device is used to realize a pre-treatment of the dried fruits before researches. A support tray is arranged at a top part of a shell body, a fixing table is arranged in an inner cavity of the support tray and two cushion blocks are arranged between the fixing table and support tray; a washing tank is formed among the fixing table, support tray and cushion blocks, a water nozzle is arranged one of the cushion blocks and connected with a water pump via a water inlet pipe, the water pump is used to extract water in a water tank, and a water return pipe is arranged between the water tank and a water leakage pipe; a rotary shaft is rotably arranged on the fixing table, a cross bar is fixed on the rotary shaft, fixing plates are fixed on the cross bar, and a movable plate is slidly arranged in an inner cavity of the fixing plates; a drying pipe is arranged at outside of the shell body, a bottom seat is fixed on a top part of a base seat, a rotary plate is rotably arranged on the base seat, a rotary plate driving unit used for driving a rotation of the rotary plate is arranged on the bottom seat, a plurality of blind holes arranged uniformly at a top part of the rotary plate along a circumferential direction, and sub-packaging bottles are placed in the blind holes. The device can effectively realize water washing, drying and sub-packaging of the dried fruits.

The present invention discloses a clothes treatment having a heat pump drying function. The device comprises: a shell forming an internal space; an outer cylinder arranged in the inner space of the shell; and a heat pump module comprising a two-device assembly, wherein the two-device assembly comprises an evaporator and a condenser, the evaporator and / or the condenser are / is arranged in the upper left space or the upper right space of the inner cylinder and the outer barrel of the shell, and the heat exchange main body of the evaporator and / or the condenser is provided with an outer contour matched with the upper left space or the upper right space where the heat exchange main body is located. The shape of the heat exchange main body of the evaporator and / or the condenser is matched with the space between the shell and the outer cylinder, that is, the overall structure of the evaporator and / or the condenser is adaptively designed according to the mounting space and is not a regular rectangle any more, the mounting space in the shell can be fully utilized, the height of the whole machine can be controlled, and heat exchange efficiency can be guaranteed.

The invention discloses a three-dimensional dynamic turn-back flow preheating, drying and calcining system. A first preheater is arranged on the side edge of a first elevator, a second preheater is arranged on the side edge of a second elevator, a first calcinator is arranged on the side edge of a third elevator, a second calcinator is arranged on the side edge of a fourth elevator, a first cooleris arranged on the side edge of a fifth elevator, a second cooler is arranged on the side edge of a sixth elevator, a feeding port of the first elevator is connected to a stock bin through an auger,a first high-temperature heating source is arranged on a middle machine body of the first calcinator, a second tail gas hot air outlet is formed in the rear end of the first calcinator, a second high-temperature heating source is arranged on a middle machine body of the second calcinator, and a third tail gas hot air outlet is formed in the rear end of the second calcinator. A three-dimensional inclined plate turn-back flowing process is adopted, so that the preheating, drying and calcining time of the materials can be ensured. Meanwhile, no power exists in the turn-back flow process, the natural flow process can guarantee uniform material calcination, the production cost is saved, and automatic production can be achieved.

The invention provides separation equipment based on traditional Chinese medicine raw material classification. The equipment comprises a body. A feeding device is mounted at the top of the body, a vibrating device is mounted in the body, a connecting device is mounted on the rear side of the vibrating device, and a driving mechanism is mounted on the body. An adsorption device and a heating device are installed on the body, the heating device is located on the left side of the adsorption device, and a flow guide mechanism is installed in the heating device. A classification mechanism is installed at the bottom of the body. According to the separation equipment, when three driving blocks rotate, the flow guide plate is driven to reciprocate up and down, at the moment, the flow guide plate vibrates slightly, impurities such as wood chips, grass roots and tree roots are prevented from remaining at the bottom of traditional Chinese medicine raw materials, and the separation quality is improved; and when the flow guide plate reciprocates up and down, a material blocking frame is driven to rotate in a reciprocating mode, the same amount of traditional Chinese medicine raw materials in a feeding hopper fall to the top of the flow guide plate at the moment, it is guaranteed that the feeding quantity is the same every time, and blocking among the traditional Chinese medicine raw materials is avoided.

The invention discloses a glue sealing device for a semiconductor diode, which belongs to the field of semiconductor manufacturing and comprises a base, two electric push rods are fixedly connected tothe top of the base, and a glue sealing groove body is fixedly connected to the top of the base. Lantern rings slidably connected with the two electric push rods are arranged on the outer sides of the two electric push rods in a sleeving mode, integrally-formed heating plates are fixedly connected to the front faces and the back faces of the two lantern rings, integrally-formed I-shaped frames are fixedly connected to the tops of the two electric push rods, and the tops of the two electric push rods are fixedly connected to the bottom ends of the two electric push rods; the top of the base isfixedly connected to the bottom of the glue sealing groove body, the outer sides of the two electric push rods are slidably connected to the inner sides of the two lantern rings correspondingly, andthe front faces and the back faces of the two lantern rings are fixedly connected to the opposite sides of the two heating plates correspondingly, so that the device has the advantages that lead bending is avoided, gluing is uniform, and drying is rapid and uniform.

The invention discloses sandy soil screening equipment capable of distinguishing dryness and wetness. The sandy soil screening equipment comprises a main box body, a screening cavity is formed in themain box body, the upper wall of the screening cavity is provided with feeding ports in a communicating mode, the feeding ports are provided with upward openings and are in bilateral symmetry, and theupper wall of the screening cavity is fixedly connected with a telescopic block located between the left feeding port and the right feeding port. A telescopic cavity with a downward opening is formedin the telescopic block, the left wall and the right wall of the screening cavity are in up-down sliding connection with a primary filter plate, and the telescopic cavity is in up-down sliding connection with a sliding block fixedly connected with the primary filter plate. The left wall and the right wall of the screening cavity are in up-down sliding connection with filter plate fixing plates. The upper end faces of the filter plate fixing plates are rotationally connected with guide slippers which extend upward to be rotationally connected with the upper end face of the primary filter plate. According to the sandy soil screening equipment capable of distinguishing dryness and wetness, dry sand and wet sand are separately screened, so that efficient screening can be conducted, and efficient stirring and dehumidification are conducted on the wet sand in the screening process.