98results about How to "Guaranteed dryness" patented technology

This utility model provides a miniature cofferdam cover for pile foundations. The miniature cofferdam cover includes: a pile foundation, an outer shell comprising at least two outer shell segments detachably connected around the pile foundation, and a water-stop membrane, in the form of a strip, surrounding the pile foundation with its bottom end lower than the bottom of the outer shell. A fixing clip is provided on the outer shell segment, comprising a threaded rod and a fixed end movably connected to the threaded rod. The fixed end moves towards the pile foundation under the push of the threaded rod. Connection holes and water-stop strips are provided at the edges of the outer shell segment. By using the outer shell segments to surround the pile foundation, the pile foundation is isolated from the surrounding water, providing space for water-based operations. The water-stop membrane isolates water at the contact point between the outer shell and the pile foundation, preventing external water from flowing into the outer shell from the connection point. The multi-segment connection method of the outer shell segments facilitates the transportation and installation of the outer shell. Furthermore, the structure of the outer shell, which can be completed in two segments, has fewer structural components, is easy to assemble, and saves on cofferdam costs.

This application provides a water-cooled roller fixture for strip conveying, including a protective component, a drive component, a coupling, a water-cooled roller, and a water-cooling assembly. The protective component includes a protective cylinder and a first bearing seat and a second bearing seat rotatably located at both ends of the protective cylinder. The drive component is mounted on the first bearing seat. The coupling is placed inside the first bearing seat. One end of the water-cooled roller is inserted into the protective cylinder, and the other end is rotatably engaged with the first bearing seat. The water-cooled roller is connected to the output shaft of the drive component via the coupling. The water-cooling assembly is used to supply cooling water with a circulating path to the water-cooled roller. The water-cooled roller fixture for strip conveying provided by this application allows the water-cooling assembly to transport cooling water to the space where the water-cooled roller is located, cooperating with the existing forced cooling on the outer periphery of the protective cylinder to simultaneously cool the inside and outside of the protective cylinder. The coupling is placed inside the first bearing seat, isolating it from the outside environment and preventing moisture from contacting the coupling.

This utility model discloses a moisture-proof ceramic tea canister, relating to the field of ceramic canister moisture-proof technology. It includes a ceramic canister, a placement base, and a top cover. The ceramic canister includes a canister body, with both ends of the canister body respectively engaging with the placement base and the top cover. A drying component is provided on the placement base, and a moisture-proof component is provided on the top cover. A ventilated plate is provided inside the canister body, and a lifting component is provided inside the placement base to drive the ventilated plate up and down. The drying component includes a drying box, with two storage chambers in the drying box containing desiccant and activated carbon, respectively for dehumidification and deodorization. When replacement is needed, simply move the slider and insert plate in the locking mechanism to pull them out of the slot, releasing the fixation between the insert plate and the base, thus allowing the drying box to be pulled out for desiccant replacement. Simultaneously, the moisture-proof component includes a moisture-proof box containing desiccant, ensuring the drying effect on the tea leaves at the top. When replacement is needed, simply rotate the moisture-proof box.

The utility model discloses an inflammable and explosive gas dewatering device, including gas cooling water removal flow path, heat transfer medium circulation flow path and refrigerant circulation flow path, the gas cooling water removal flow path includes the pre -cooler, gas -liquid heat exchanger, gas -liquid separator and deliquescent dryer that connect gradually, heat transfer medium circulation flow path includes evaporimeter, gas -liquid heat exchanger, cold accumulator and circulating pump, the refrigerant in refrigerant circulation flow path absorbs heat and evaporates in evaporimeter and makes the heat transfer medium in heat transfer medium circulation flow path cooling. The utility model has the advantages of strong integrability, good operation safety, high dewatering efficiency.

This invention discloses a magnet manufacturing process in the field of magnet manufacturing technology, including the following steps: Step 1: Crush the raw materials to be made into magnets, and place the crushed materials in a melting mechanism to melt them into a liquid; Step 2: Pour the melted materials into a mold, and introduce gas into the mold to allow the liquid to burn and solidify; Step 3: Remove the solidified materials, cut them using a cutting device to form blocks or other shapes, and then chamfer the materials using a chamfering device to make their surfaces rounded; Step 4: Clean the chamfered materials, and then place them on a magnetizing machine to magnetize them, thus completing the magnet manufacturing process. This effectively avoids chipping during chamfering, further ensuring product quality.

The utility model discloses an energy -saving compound fertilizer production is with drying equipment, including fixed bolster and transverse installation's drying pipeline, and the both sides of pipeline are equipped with inlet pipe and discharge pipe respectively, is equipped with conveying device inside, and the top is linked with the heat supply device below through hot gas delivery structure, and the inner wall of drying pipeline is coated heat -proof coating and reduces heat loss, and the electric butterfly valve at inlet pipe place can accurate control feed quantity, and the guide vane of discharge pipe is convenient for material discharge. Conveying device adopts the spiral structure with wear -resisting ceramic coating, prolongs the life, and hot gas delivery fan is frequency conversion formula, and heat supply device is equipped with automatic temperature control system, can adjust hot gas delivery capacity and temperature according to need, and main conveying pipeline is wrapped with heat -insulating cotton and reduces heat loss. Besides, the equipment guarantees the leakproofness through graphite sealing washer, and the stability is promoted to the damping rubber block of bearing seat, and the anti -skid cat ladder of fixed bolster guarantees the operation safety, effectively improves energy utilization efficiency and production safety.

The invention discloses a compact environment-friendly gas-insulated totally-enclosed ring main unit, and relates to the technical field of ring main units, in particular to a compact environment-friendly gas-insulated totally-enclosed ring main unit, which comprises a cabinet body, fins, a cleaning mechanism and an engineering dry air mechanism, fins achieve heat dissipation of the cabinet body, the cleaning mechanism cleans dust on the fins through a rolling brush, a spray head at the bottom of a first pipeline can wet the rolling brush when a temperature sensor detects that the temperature exceeds 50 DEG C, and a support is matched with the spray head to move up and down to achieve the dual functions of cleaning and cooling. The engineering dry air mechanism preheats air through a heating pipe and a heating wire of a second pipeline, then the air is dehydrated and air-dried through a small thermal cycle air bellow, generated dry air is introduced into an air box for insulation arc extinguishing, and meanwhile the temperature of the air box is controlled to guarantee the insulation performance. The ring main unit is compact in structure, dry air is non-toxic and non-combustible, greenhouse effect is avoided, and the ring main unit is environment-friendly, reliable in operation and suitable for various power distribution scenes.

The utility model discloses a kind of nutrition meal bag raw materials moisture-proof storage devices, it is mainly related to the moisture-proof storage field of powdery raw materials. Including storage box, the inside of storage box is equipped with transition chamber and storage chamber, transition chamber and storage chamber are equipped with material leakage hole, material leakage hole is rotatably connected with baffle, multiple torsional springs are equipped between baffle and the lateral wall of material leakage hole, multiple stoppers for cooperating with baffle are equipped at material leakage hole, the side of storage box is equipped with dehumidification box, dehumidification box is movably connected with dehumidification box inside, the both sides of dehumidification box are equipped with the ventilation pipe being communicated with transition chamber, the end of ventilation pipe in one side is equipped with dehumidification fan. The utility model has the beneficial effect that it can solve the technical problem that existing storage device is easy to bring in moisture when replenishing material and affect the overall drying degree of powdery raw materials, reduce the influence of moisture brought in when feeding on the original drying degree of powdery raw materials, avoid powdery raw materials to be damp and affect the quality of subsequent nutrition meal bag.

The utility model relates to the technical field of fertilizer manufacturing, and discloses a drying device which comprises a box body, the top of the box body is fixedly connected with a feeding hopper, the bottom of the feeding hopper extends into the box body, and the inner wall of the bottom of the box body is connected with a sliding plate in a sliding mode. Hot air generated by starting the hot-air blower to work enters the air outlet pipe through the telescopic hose and is blown to the drying material frame from the air outlet, so that fertilizer on the drying material frame is dried, meanwhile, the rotating shaft rotates to drive the rotating disc and the eccentric sliding rod to rotate, and the sliding rod slides in the O-shaped strip; and the sliding rods drive the O-shaped strips and the sliding plates to slide back and forth in the sliding grooves in a reciprocating mode, then the drying material frame is driven to shake, the fertilizer is continuously turned over and spread on the drying material frame and makes full contact with hot air, comprehensive and uniform drying is achieved, the drying efficiency and quality are improved, and the drying effect of the fertilizer is guaranteed.

The utility model relates to the technical field of coating and drying, in particular to a coating combined type drying oven, which comprises an oven body, an oven cover and a drying device, the air inlet assembly is arranged on at least one of the upper side and the lower side in the box body and comprises a plurality of air nozzles; the multiple tuyeres are arranged at intervals in the conveying direction of the pole pieces; the heating module is arranged on at least one of the upper side and the lower side in the box body and comprises an infrared heating assembly and a laser heating assembly; a group of infrared heating assemblies or laser heating assemblies are arranged between every two adjacent tuyeres; and the temperature detection assembly is arranged in the box body, is in communication connection with the heating module and the air inlet assembly, and is used for detecting the temperature in the box body. The technical problems that a pole piece is easily disturbed by hot air in the drying process due to hot air drying through an air nozzle of an existing coating drying oven, slurry on the pole piece convects to form surface bubbles, and drying is uneven are solved.

The application discloses a preparation process of reconstituted tobacco leaf, which comprises the following steps: subjecting tobacco leaf raw materials to fresh air hot air treatment, and storing the tobacco leaf raw materials to obtain primary tobacco leaves with a water content of 15-25%; subjecting the primary tobacco leaves to hot air drying to obtain secondary tobacco leaves, wherein the hot air drying time is 10-20 min; and crushing the secondary tobacco leaves and preparing reconstituted tobacco leaves through a thick slurry method. The preparation process of the reconstituted tobacco leaf can reduce peculiar smell and irritancy, improve tobacco baking original aroma, improve sensory comfort, and improve sensory quality through the steps of multi-stage fresh air hot air drying, high-intensity drying and storage to ensure the water content.

The utility model discloses an anti -caking storage device of super weatherproof environmental protection type polyester powder coating, including air suction nozzle, the lower end fixedly connected with sealing cover of air suction nozzle, the inside screw thread of sealing cover is installed with the dry agent storage box, and the lower portion screw thread sealed installation of sealing cover has the storage jar. The storage jar includes jar body, and the upper end fixedly connected with first threaded ring of jar body, and jar body, first threaded ring are integral structure. The sealing cover includes lid body, and then reduce the whole moisture in storage jar, utilize the non -absolute sealing defect of air suction nozzle, and gas is slowly input to dry agent storage box in air suction nozzle, and slowly enter the storage jar in dry agent storage box, utilize the characteristic that the gas flow rate is slow, and gas is fully absorbed moisture in dry agent storage box by dry agent, guarantee the dryness of the gas in the storage jar, thereby reduce the caking rate of super weatherproof environmental protection type polyester powder coating in storage jar.

This utility model discloses a sanitary napkin with memory foam, including a surface layer and a bottom film. The surface layer is located above the bottom film, and a receiving space is formed between the surface layer and the bottom film. A core is disposed within the receiving space. The core includes memory foam and an absorbent core. The absorbent core is located on top of the memory foam. An auxiliary liquid-containing structure is provided on the memory foam to receive menstrual fluid that leaks from the absorbent core. This utility model uses a core composed of memory foam and an absorbent core. The absorbent core is used to absorb menstrual fluid and keep the surface dry. The memory foam rebounds under pressure to maintain the stability of the sanitary napkin's shape. The breathable holes on the memory foam can be squeezed to shrink or expand, thereby enhancing the rebound effect. It has an open structure that can absorb impact force and provide comfortable support. It is soft and has a slow rebound characteristic, which can prevent the body from deforming due to prolonged sitting or exercise, bringing women a more comfortable experience.

The utility model discloses a screw propulsion type salt chlorine machine automatic salt adding device which comprises a salt barrel, a base is arranged on one side of the salt barrel, a cover body is in threaded connection with the top of the salt barrel, a through hole is formed in the cover body, a discharging pipe is inserted into the through hole, a sealing plug is arranged on the outer wall of the discharging pipe in a sleeved mode, and the sealing plug is connected with the base. The lower end of the sealing plug is located between the discharging pipe and the cover body, the sealing plug is made of anti-corrosion rubber, a feeding barrel is arranged on the base, a spiral conveying blade is rotationally connected into the feeding barrel, a driving motor is installed on one side of the feeding barrel, a shaft on one side of the spiral conveying blade is connected with the driving motor, and a feeding hopper is integrally connected to the top side of the feeding barrel. The bottom side of the feeding barrel is connected with a discharging pipe, an electromagnetic valve is arranged on the discharging pipe, a plate impact flowmeter is arranged at the bottom of the electromagnetic valve and electrically connected with the electromagnetic valve, and the lower end of the discharging pipe is connected with the salt barrel. According to the device, automatic salt adding can be achieved, meanwhile, the adding amount of salt is convenient to control, and the salt adding precision is improved.

The utility model discloses an aerosol printing carries water trap of gas pipe, contains labyrinth water trap structure, the sub -pipe sub -assembly and annular heating device, is connected through pneumatic interface and inlet pipe and outlet pipe respectively, constitutes complete gas path water trap system. Labyrinth water trap structure is composed of two parts, and the joint surface is equipped with sealing groove and sealing strip, and the airtightness is ensured, and the inside is equipped with curved surface return channel and is pasted with water absorption sponge, is used for separating and adsorbing the condensed water in air current. The sub -pipe sub -assembly is composed of the upper and lower parts of the purge gas path gas chamber, and two sub -pipes are installed inside, and the gas chamber is connected with the air pump through the air pipe interface, and the gas path contraction produces the flow velocity difference, and the efficiency of taking away the condensed water is improved. The annular heating device is located at the rear part of the sub -pipe sub -assembly, and is including heating ring pipe fixing piece, heating ring pipe and stopper, and the gas is continuously heated, and the secondary condensation is prevented. The device structure is compact, and the water removal effect is remarkable, and the long -term stable operation of aerosol printing nozzle is ensured.

The utility model relates to disaster relief tent device technical field, especially disaster relief tent of moistureproof, including disaster relief tent main part, the bottom of disaster relief tent main part is provided with moistureproof subassembly, moistureproof subassembly includes the multiple sets of ground support base of isolation from disaster relief tent main part bottom and ground water vapor, the utility model discloses a ground support base is set up in the bottom of disaster relief tent main part, and sets up the moisture absorption box in the ground support base inside, can directly isolate the water vapor of disaster relief tent main part and ground, and the ground support base of multiple sets of ground support base is through the bottom of disaster relief tent main part, can avoid the direct contact of disaster relief tent main part with ground, reduces the water vapor penetration from the source, at the same time, can adsorb the water vapor in the ground support base, guarantees the dryness in the ground support base, reduces the possibility of water vapor invasion, can prevent the tent ground and bedding damp, reduces the health risk of cold, rheumatism etc.

The invention discloses a cleaning base station, cleaning equipment, a cleaning system and a self-cleaning method, the cleaning base station is matched with the cleaning equipment capable of being connected with a ground brush mechanism, and the cleaning base station comprises a base, a dust collection device and a cleaning device, the cleaning assembly is arranged in the base and used for spraying fluid into the butt joint cavity so as to clean and / or dry the floor brush mechanism; the collecting part comprises a box body in which a collecting cavity is formed; when the cleaning base station is in butt joint with the cleaning equipment, a cleaning cavity communicating with the suction port is formed between the ground brush mechanism and the wall of the butt joint cavity, and the cleaning cavity, the interior of the cleaning equipment and the collecting cavity communicate to form a closed air path. The fluid is sprayed into the butt joint cavity through the cleaning assembly, negative pressure is formed in the collecting cavity, the fluid can be sucked into the cleaning equipment and then enters the collecting cavity, full-link cleaning and drying of the interior of the floor brush mechanism, the interior of the cleaning equipment and the interior of the cleaning base station can be achieved, a user does not need to disassemble, assemble and maintain, and the cleaning efficiency is improved. And the self-cleaning effect is effectively improved.

The utility model belongs to the technical field of tooth-type impeller flatness measurement, and relates to a tooth-type impeller flatness measurement device, which comprises a detection table. A detection assembly is mounted on the detection table; a placement table is arranged on the top table surface of the detection table; an auxiliary detection device is mounted on the detection table; fixing frames are mounted on two sides of the placement table at the top of the detection table through bolts; a moving plate is arranged between the two fixing frames; the bottom end face of the movable plate is fixedly connected with a scraper. A moisture-proof assembly is mounted on the movable plate; an air blowing pipe is arranged between the mounting frames on the same side; and the bottoms of the two air blowing pipes are fixedly connected with air blowing nozzles. According to the utility model, through the cooperative operation of the auxiliary detection device and the moisture-proof assembly, fallen metal particle scraps can be scraped in time, the tooth-type impeller for subsequent detection is prevented from inclining when being placed, the accuracy of subsequent flatness measurement operation is ensured, and meanwhile, the phenomenon that particles are adhered and are not easy to scrape is avoided.

The invention relates to the technical field of wastewater treatment, in particular to an electroplating nickel-chromium wastewater treatment device which comprises a sewage tank, a water suction pump is fixedly connected to the upper surface of the inner wall of the bottom of the sewage tank, one end of the water suction pump is fixedly connected with a door-shaped pipeline, and the other end of the door-shaped pipeline extends into a flocculation tank. Four square columns are fixedly connected to the four corners of the lower surface of the flocculation tank, stirring assemblies are fixedly connected to the upper surfaces of the tank walls of the two sides of the flocculation tank, and one end of the bottom of each stirring assembly is connected with an anti-condensation assembly in a meshed mode. According to the nickel-chromium electroplating wastewater treatment device, the water pump is matched with the flocculation basin, the sedimentation basin and the filter press, metal impurities such as nickel and chromium contained in wastewater are sequentially neutralized, stripped and filtered, the site requirement of the wastewater treatment device can be reduced through flow matching, and the production requirements of many related industries such as chemical engineering, metal or sewage processing plants are met; operation is convenient, and efficiency is high.

This utility model discloses a moisture-proof protection device for plastic masterbatch, including a protective box. A feeding cylinder is fixedly installed on the surface of the protective box, and a feeding hopper is connected to the top of the feeding cylinder. A support plate is connected to one side of the outer surface of the protective box, and a hot air blower is installed on the surface of the support plate. A T-connector is installed at the output end of the hot air blower. One end of the T-connector is connected to the feeding cylinder, and the other end is connected to a connecting pipe. A dehumidifying feeding mechanism is provided inside the feeding cylinder, and a moisture-proof storage mechanism is provided inside the protective box. This utility model has the following effects: through the dehumidifying feeding mechanism, the masterbatch can be dried and dehumidified while being placed into the protective box, ensuring the dryness of the masterbatch during feeding and storage. When the masterbatch is dried and stored in the protective box, the dehumidifying box in the moisture-proof storage mechanism can effectively ensure the continuous drying of the masterbatch in the protective box, reducing the possibility of the masterbatch sticking together due to premature moisture absorption.

The utility model relates to the related technical field of rack adjusting pressing block cooling mechanisms, and one embodiment of the utility model provides a rack adjusting pressing block cooling mechanism which comprises a frame body, a bottom frame and a shell, the bottom frame is fixed outside the frame body, the shell is arranged in the frame body, a cooling assembly is arranged in the shell, a first conveying belt is arranged in the frame body, and a second conveying belt is arranged in the frame body. The first conveying belt penetrates through the interior of the shell, the conveying positioning assembly is arranged on the frame body, the discharging assembly is arranged outside the frame body, the cooling assembly comprises an inner cover, the inner cover is arranged in the shell, a cavity is formed in the top of the inner cover, a water inlet pipeline is arranged at the top of the inner cover and extends to the exterior of the shell, and spraying holes are formed in the bottom in the cavity. By means of the technical scheme, the technical problems that in the prior art, due to the fact that discharging is not smooth, the pressing blocks are prone to being stacked near the discharging opening, and the stacked pressing blocks are squeezed mutually, and deformation can be possibly caused are solved.

This utility model discloses a dehumidification device for an integrated power distribution box, relating to the field of power distribution box technology. The dehumidification device for the integrated power distribution box includes a power distribution box body with a door. An air intake pipe is fixedly connected to the top of the power distribution box body; a drying chamber with a sealed door is fixedly connected to the side of the power distribution box body; the other end of the air intake pipe is fixedly connected to the top of the drying chamber and they communicate with each other; an exhaust pipe is fixedly connected to the bottom of the drying chamber. In this dehumidification device for the integrated power distribution box, the drying block further dries the moisture, which is then discharged back into the interior of the power distribution box body through the exhaust pipe, thus achieving multiple drying effects. Simultaneously, the friction between the friction plate and the drying filter element generates heat, which heats the air. This heat also dries the activated carbon particles through the drying filter element, ensuring that the activated carbon particles do not deactivate, thereby ensuring the effective adsorption of moisture.

The utility model discloses an industrial personal computer, which relates to the technical field of computers and comprises a host, a front cover detachably covers the front side of the host, a plurality of fan ports are arranged on the front side of the host, cooling fans are mounted on the inner sides of the fan ports, and the front cover covers the fan ports. Side through openings used for air inlet are symmetrically formed in the two sides of the front cover, a mounting groove with an opening in the top is formed in the middle of the front cover, a drying box is vertically inserted into the mounting groove, air inlets used for being in butt joint with the side through openings are formed in the two sides of the drying box, and a plurality of net boxes are fixed in the drying box; and a drying agent is placed in the net box. A plurality of fixing holes are formed in the edge of the front side of the main machine, positioning piles are fixed to the edge of the inner side of the front cover, and the positioning piles and the fixing holes are fixed in an inserted mode. The industrial personal computer can be used in a humid environment, and moisture in the air is prevented from influencing long-time stable operation of the industrial personal computer.

The utility model discloses a kind of plastic product injection molding after cooling equipment, including box, two round rods are rotatably connected in the box, two The chain wheel is fixedly connected with the one end and the other end of rod, multiple The chain of mesh belt is engaged with chain wheel, the box is provided with mouth body, the drawer is slidably connected in the mouth body, the drawer is below mesh belt, the drawer is fixedly connected with mesh plate. The utility model uses chain wheel and mesh belt to cooperate and convey plastic product, the drawer below mesh belt is slidably connected in the mouth body of box, mesh plate and two brushes are provided in the drawer. When mesh belt is driven, brush sweeps sundries to mesh plate centralized collection by relative motion, avoid sundries accumulation to affect mesh belt cleaning, prevent secondary pollution or scratch product, guarantee quality;Drawer sliding design facilitates to clean, solve the problem that traditional equipment sundries is difficult to clean, reduce maintenance difficulty and workload.

This utility model provides a grinding mill for pet food processing. The grinding mill includes: a support frame, on the top of which a grinding mill housing is fixedly installed, and on the top of which a top cover is installed; a grinding assembly, mounted on the top cover, used for grinding pet food raw materials; a drying mechanism, installed in the inner cavity at the bottom of the grinding mill housing, used for drying the ground powder; and a receiving assembly, installed at the bottom of the grinding mill housing. Under the action of the grinding assembly, the grinding disc drives the fixedly connected connecting shaft to rotate, which in turn drives the connecting rod fixedly connected to the side surface to rotate. The connecting rod drives a stirring rod to agitate the ground powder. Combined with the operation of the bottom electric heating plate, this facilitates powder agitation, improves the drying effect, ensures the drying performance of the powder, and prevents powder adhesion and accumulation during subsequent discharge.

The utility model discloses a kind of tablet medicine half-piece medicine box suitable for medicine subpackager, belong to medicine cutting half device technical field, the utility model includes tablet storage box and the storage box cover of rotation installation in tablet storage box top, the tablet storage box is as carrier and half-piece structure of medicine is contained therein, the lower half-piece structure of medicine is equipped with slice medicine box upper cover, slice medicine box upper cover is equipped with for guiding half-piece medicine discharge port, the slice medicine box upper cover is used to carry motor, and the output shaft of motor is rotated by gear transmission structure control installation gear cover in the bottom of half-piece structure of medicine.The tablet medicine half-piece medicine box suitable for medicine subpackager, by setting movable slicer in medicine box, utilize the sliding contact of the rotation of tablet with slicer, while slicer moves, can be pressed and cut to tablet, and integrated photoelectric sensor, whether tablet can be discharged or counted is detected.

This invention discloses a land use-based surveying device, relating to the field of land surveying technology. It includes a telescope tube mounted on a theodolite, comprising an objective lens and an eyepiece. A mounting groove is formed through the side wall of the telescope tube, and a fixing cover is fixedly inserted into the mounting groove. A through hole is formed on the side wall of the fixing cover, communicating with the telescope tube. A sealing plate for movably sealing the through hole is connected to the fixing cover via a first lifting mechanism. The sealing plate divides the telescope tube into a first chamber and a second chamber. An air extraction mechanism is provided on the side wall of the second chamber, and a drying mechanism is provided inside the fixing cover. This land use-based surveying device prevents humid air from entering the telescope tube when the eyepiece is replaced, and utilizes a desiccant to dry the inside of the telescope tube, ensuring the effectiveness of subsequent objective and eyepiece use, thereby guaranteeing the accuracy of the surveying.

The utility model discloses a high-efficiency energy-saving pneumatic drying system for modified starch production, and aims to provide a high-efficiency energy-saving pneumatic drying system for modified starch production, which can improve the starch drying speed, and has the technical scheme that the high-efficiency energy-saving pneumatic drying system for modified starch production comprises a machine body which is also provided with a material inlet, and is characterized in that a buffer box is arranged below the material inlet; two cyclone separators are arranged below the buffer box, a heating coil is further arranged on the outer wall of the buffer box, a material distributing device is arranged between the buffer box and the cyclone separators and comprises a material distributor located below the buffer box, two outlets are formed in the material distributor and connected with the cyclone separators respectively, and the heating coil is arranged on the outer wall of the buffer box. An electromagnetic valve is further arranged on an outlet of the distributor, a material storage box is further arranged below the cyclone separator, and a recycling device is further arranged on the material storage box.

The utility model belongs to shopping box technical field, concretely is a kind of shopping box with waterproof function, including box, bottom plate and handle, when user pulls zipper head, waterproof baffle is together with gradually sliding to cardboard, double water-blocking barrier is formed after closing, and the pull ring can be arranged in zipper head, drive retractable canopy to be unfolded, to reach the effect of rain-sheltering, one-way water valve is provided in bottom plate, and the cooperative sealing of waterproof zipper and water valve greatly improves the water resistance of shopping box, when user wants to use shopping box, by pressing the pressing plate on handle, so that air pump starts to inflate, gas is transported to inflatable air column by gas delivery pipe, so that box changes from folding shape to self-standing shape, if want to change back to folding shape, just need to pull the air valve at the bottom of box, inflatable air column and box integrated forming process ensure portability, also maintain the practicability of shopping box.

The utility model relates to a capsule filling powder drying device relates to powder drying device technical field, including the drying system and separation system of intercommunication, separation system includes cyclone separator, its feed pipe is linked with drying system, is equipped with the air stopper on the discharge pipe, is equipped with negative pressure fan on the air outlet pipe, drying system includes powder storage cylinder and the drying pipe of vertical setting and lower end inserts the inside of powder storage cylinder, the upper end of drying pipe is linked with the feed pipe of cyclone separator, drying system still includes hot air machine, and it is communicated with the lower part of drying pipe through the communicating pipe, and the wind force is less than the wind force of negative pressure fan, so that the lower end of drying pipe can be negative pressure state, and then the medicine powder is inhaled into the drying pipe, and in the drying pipe, hot air and medicine powder mix fully, and the moisture contained in medicine powder is taken out, and then through cyclone separator realizes the separation of medicine powder and airflow, and drying work continues with the inhaled work of drying pipe, and the drying efficiency of medicine powder is improved significantly.