32results about How to "Maintain temperature" patented technology

The invention discloses an environment-friendly safe low-smoke halogen-free cable, and relates to the technical field of cables, the environment-friendly safe low-smoke halogen-free cable comprises a cable assembly, the cable assembly comprises an outer sheath, the outer surface of the outer sheath is fixedly communicated with an air outlet assembly, a plurality of conductors are arranged in the outer sheath, each conductor is hollow, and the outer surface of the outer sheath is fixedly communicated with the air outlet assembly. A plurality of filling pipes are arranged among the exteriors of the plurality of conductors, and the plurality of filling pipes are hollow; according to the environment-friendly safe low-smoke halogen-free cable, when the temperature of air around the cable is low, cold air enters the hollow conductor from the air inlet, air convection is formed in the conductor, heat is taken away and then discharged from the air outlet, and when excessive heat is generated in the use process of the conductor, the heat can enter the filling pipe through the multiple drainage holes, so that the cable is protected. And heat can flow in the conductor, so that excessive local heat dissipation of the conductor can be prevented.

The utility model discloses a kind of for grain mash's steamer inner slurry paste device, it is related to the technical field of preparation of alcoholic beverage, including slurry main pipe, transport paddle pipe, slurry sub-pipe and support structure;The front end of slurry main pipe is communicated with water source for supplying boiling water, end sealing cooperation is worn to the inside of steamer cover;Each slurry sub-pipe is evenly arranged in steamer cover, is fixed by support structure and steamer cover connection, the top end of slurry sub-pipe is communicated with the end of slurry main pipe by transport paddle pipe;Slurry sub-pipe is inserted to grain mash, and slurry hole is formed on it.The utility model can keep the closure state of steamer cover in the pasting process of grain mash, slurry is evenly added to grain mash in pot steamer by slurry main pipe, transport paddle pipe and slurry sub-pipe in turn, compared with artificial cover opening slurry, effectively improve the slurry uniformity and slurry efficiency, conducive to the guarantee of grain mash pasting quality, while avoiding the massive loss of steam, conducive to the maintenance of pressure and temperature in pot steamer, improve the pasting efficiency of grain mash.

The application relates to the technical field of rubber and plastic product processing, and discloses an elevator load guide pulley production device, which comprises a workbench and multiple telescopic arms. A first supporting arm is fixedly connected to one side of the upper end of the workbench. A motor is fixedly connected to one side of the first supporting arm. A rotating disc is fixedly connected to the output end of the motor and penetrates through the first supporting arm. Multiple second supporting arms are fixedly connected to the outside of the rotating disc. The elevator load guide pulley production device can automatically adjust the positions of the telescopic arms according to load guide pulleys with different diameters through the cooperation of the positioning columns and springs on the telescopic arms and the grooves on the second supporting arms. The load guide pulleys to be processed can be fixed through the expansion of the moving plates. The motor drives the rotating disc to rotate, so that the multiple second supporting arms and the telescopic arms can be driven to rotate simultaneously, and the load guide pulleys to be processed can be processed in sequence. Therefore, the production line is more coherent, and the production efficiency is improved.

A feeding system of a food 3D printer comprises a raw material mixing and stirring mechanism, a gelatinization temporary storage mechanism and a spray head mechanism. A powder material and liquid material feeding module is arranged at the top of the raw material mixing and stirring mechanism and is used for uniformly mixing a powder material and a liquid material into a premix; the gelatinization temporary storage mechanism comprises a vibration gelatinization box and a temporary storage barrel which is detachably connected with the vibration gelatinization box, at least one part of the temporary storage barrel extends into an inner cavity of the vibration gelatinization box, and a feeding port of the temporary storage barrel is connected with a discharging port of the raw material mixing and stirring mechanism and can receive premix of the mixing and stirring mechanism; a vibration module for vibrating the premix in the buffer cylinder and a heating module for thermally gelatinizing the premix in the buffer cylinder into clinker are arranged in the vibration gelatinization box; and the spray head mechanism is detachably connected with the discharge hole of the buffer cylinder and is used for receiving the clinker extruded by the buffer cylinder. According to the feeding system of the food 3D printer, stirring and mixing and gelatinization temporary storage are separately carried out, the uniformity and printability of printed food materials can be guaranteed, and large-scale processing operation can be conveniently and flexibly carried out.

This utility model discloses a konjac planter, relating to the field of agricultural machinery technology. The bottom of the konjac seed box is equipped with a ridging assembly for burying the konjac seeds, and the side is equipped with a planter assembly for evenly spreading the konjac seeds. The front end of the ridging assembly is equipped with a furrowing shovel for opening furrows and preparing the konjac planting bed surface. The rear end of the ridging assembly is sequentially equipped with a mulch film assembly and a soil covering tray for gathering soil and covering the mulch film. The upper end of the mulch film assembly is also equipped with a drip irrigation tape assembly for supporting the drip irrigation tape. This konjac planter can complete multiple functions of konjac planting in one operation, including furrowing, sowing, ridging, laying drip irrigation tape, mulching, and soil covering. The planter assembly drives the seed grid through a chain drive mechanism, and the transmission speed can be adjusted under the control of the speed regulator assembly to ensure that the konjac seeds are evenly spread according to a preset rhythm.

The invention provides a side escape window and a using method thereof. The side escape window comprises a window frame assembly, the window frame assembly is rotatably connected with a body in white, and a shielding assembly, an anti-explosion assembly and a locking system are arranged on the inner periphery of the window frame assembly. The shielding assembly is provided with at least two shielding bodies, and one shielding body can slide relative to the other shielding body; the anti-riot assembly is arranged on the outer layer of the shielding assembly, is parallel to the shielding assembly and covers the shielding assembly, and the anti-riot assembly is fixedly connected with the edge, close to the outer side of an automobile body, of the window frame assembly; one part of the locking system is fixedly connected with the movable end of the window frame assembly, and the other part of the locking system is fixedly connected with the interior of the body-in-white. According to the side escape window, external violent invasion is effectively blocked, meanwhile, the ventilation and escape effects are taken into consideration, and the safety performance and the riding comfort of a vehicle are improved.

The application provides a steel dust and organic solid waste low-carbon synergic treatment melting furnace, which comprises a feeding unit, an iron bath pyrolysis unit and a recovery unit which are sequentially communicated; the iron bath pyrolysis unit comprises a furnace body containing molten iron and an oxygen delivery assembly communicated with an upper cavity in the furnace body; the feeding unit comprises a steel dust injection assembly, an organic solid waste injection assembly and an organic solid waste feeding opening arranged on the top of the furnace body and communicated with the furnace body; and the recovery unit comprises a flue gas recovery assembly communicated with an exhaust opening arranged on the shoulder of the furnace body. Through the above manner, the melting furnace can not only treat different types of organic solid waste and improve the utilization efficiency, but also treat the steel dust by using the organic solid waste, so that molten iron, dust rich in volatile metal elements and high-calorific-value synthetic gas rich in CO and H2 are produced, the reaction rate is fast, the product quality is high, and the efficient resource utilization of the organic solid waste and the steel dust is realized.

The utility model discloses a purification type solar water heater which comprises a solar water supply tank, a water supply filtering mechanism, a quick clamping mechanism and a clamping auxiliary mechanism, and the water supply filtering mechanism comprises a water supply pipe, a water supply pump, a filtering tank, a flow guide plate, a water storage tank and a filter screen assembly. The quick clamping mechanism comprises a clamping pipe, a clamping rod, a clamping groove, a screw rod, a threaded sleeve and a guide rod, and the clamping auxiliary mechanism comprises a rotating pipe, a matching sleeve, a movable rod, a tightening head, a tightening spring, a rotating groove, a deep groove hole, a rotating ring and a gear ring. A centralized filtering area is provided, and the quick clamping mechanism provides a quick connection and disconnection mode, so that the filter screen assembly is convenient to mount and replace.

The utility model discloses a kind of sealing structure of temperature and humidity vibration comprehensive test box, it is arranged between the bottom plate of test box and vibration table, the sealing structure includes first vibration table cloth and second vibration table cloth fixed in one end in both sides of vibration table, magic tape is set in the other end of first vibration table cloth, metal ring is set in the other end of second vibration table cloth, and the other end of first vibration table cloth and second vibration table cloth is detachably connected between the bottom plate of test box.Second vibration table cloth one end is pressed on the bottom plate of test box through metal ring, and the magic tape of first vibration table cloth one end is pasted to the bottom plate opening edge of test box, it is convenient to frequently dismount, set two layers vibration table cloth, can guarantee sealing effect.

The invention relates to the technical field of fumigation, and discloses a fumigation device. The fumigation device comprises a barrel body, an evaporation mechanism, a fumigation cushion, a barrel cover and a controller, the barrel body is provided with a containing space and an opening communicated with the containing space, the evaporation mechanism is suitable for containing objects to be evaporated and used for heating and evaporating the objects to be evaporated, and a plurality of through holes are formed in a sitting part of the fumigation cushion; the barrel cover detachably covers the opening or the fumigation cushion, an extending opening communicated with the containing space is formed in the barrel cover, and the controller is electrically connected with the evaporation mechanism and used for controlling opening and closing or gear adjustment of the evaporation mechanism. Legs can be fumigated through the containing space of the barrel body and the evaporation mechanism, a user can sit on the fumigation cushion to fumigate the buttocks and the waist through the fumigation cushion and the through hole in the sitting part of the fumigation cushion, and the requirement of the user for fumigating multiple parts of the body at the same time can be met; the problems of waist muscle strain, unsmooth hip blood circulation and the like are effectively relieved.

The utility model discloses a stepped conveying oven which comprises a shell, a cooling part, a heating part, a conveying part and a feeding part are arranged in the shell, the conveying part is arranged in the cooling part, the heating part and the feeding part, and the heating part is connected with the cooling part and the feeding part through the conveying part. A feeding opening is formed in one side of the feeding part, and a discharging opening is formed in one side of the cooling part; the conveying part comprises a conveying hanging basket, a conveying track, conveying chain wheels and a driving motor, the conveying track is connected with the conveying chain wheels, the driving motor is connected with the conveying chain wheels close to the driving motor, and the conveying hanging basket is arranged on the conveying track. By utilizing the stepped conveying oven provided by the utility model, the occupied area can be effectively reduced, the requirement of a high-cleanliness baking environment is effectively met, and the productivity is further improved.

The invention relates to the technical field of seedling planting, and discloses a Majia pomelo seedling transplanting device which comprises a base plate, a feeding mechanism is arranged in the middle of the top end of the base plate, a transplanting supporting mechanism is arranged above the feeding mechanism, the transplanting supporting mechanism comprises a mounting clamping cover, the outer side of the mounting clamping cover is rotationally connected with an upper chuck, and the upper chuck is rotationally connected with a lower chuck. A first positioning hoop supporting disc is clamped below the upper clamping disc, a second positioning hoop supporting disc is arranged below the first positioning hoop supporting disc, and a plurality of first supporting plates are evenly distributed on the upper surface of the first positioning hoop supporting disc. The seedling transplanting device has the beneficial effects that the roots of seedlings can be supplemented with water in time before the seedlings are transplanted, the roots of the seedlings can be prevented from being damaged due to excessive water supplementation during water supplementation, the soil humidity and temperature of the roots are kept, the transplanting survival rate is increased, the seedlings can be conveniently clamped and held in the seedling transplanting process, and the seedling transplanting efficiency is improved. Manpower is saved, and the transplanting efficiency is improved.

Relating to the field of air conditioning technology, the present application discloses an adjustable flow path and a fresh air air conditioner, the adjustable flow path includes a liquid inlet pipe and an air collecting pipe and a first flow path and a second flow path, the first flow path includes an inlet end and a discharge end, the inlet end is connected to the liquid inlet pipe, the discharge end is connected to the air collecting pipe, and an adjustment section is provided between the inlet end and the discharge end; the second flow path is provided with an inlet pipe and a discharge pipe, the inlet pipe connects the liquid inlet pipe and the adjustment section, and the discharge pipe connects the adjustment section and the air collecting pipe; the refrigerant flows through the inlet end and the discharge pipe in sequence to form a first adjustment pipeline, and the refrigerant flows through the inlet pipe and the discharge end in sequence to form a second adjustment pipeline. In the present invention, the first flow path is an integral passage, and a second flow path is added, and the second flow path is arranged in the adjustment section of the first flow path, thereby dividing the first flow path into two sections, and the heat exchange efficiency is improved by the dual effects of increasing the refrigerant flow rate and shortening the process, thereby coping with the temperature influence caused by the addition of fresh air, and effectively improving the heat exchange capacity and temperature regulation capacity.

The present invention discloses a precombustion chamber and a vehicle having the same, wherein the precombustion chamber comprises a shell, a precombustion chamber is formed in the shell, a plug-in hole connected to the precombustion chamber and suitable for inserting the spark plug is formed on the shell, and a flame-spraying hole connected to the precombustion chamber is also formed on the shell, wherein the wall thickness of the precombustion chamber is greater than or equal to 10% of the diameter of the plug-in hole. According to the precombustion chamber of the present invention, by setting the wall thickness of the precombustion chamber to be greater than or equal to 10% of the diameter of the plug-in hole, the shell of the precombustion chamber has a certain strength, and the loss of heat dissipation energy of the shell structure can be effectively reduced, the temperature and energy of the flame flow can be effectively maintained, and the high-energy flame flow of the precombustion chamber can effectively ignite the mixed gas in the main combustion chamber, so that the mixed gas in the main combustion chamber is fully burned, the economy of the engine is improved, and the emission of the engine is improved at the same time.

The utility model relates to the technical field of box houses, and discloses an emergency rescue convenient box house convenient to assemble, which comprises a bottom plate, a plurality of reinforcing ribs are fixedly mounted at the bottom of the bottom plate, a plurality of grooves are formed in the top of the bottom plate, positioning columns are mounted in the grooves in an inserting manner, and inserting sleeves are arranged at the bottom of the bottom plate. A first side plate is installed in the inserting sleeve in an inserting mode, and a first bolt is arranged on the outer side of the inserting sleeve. According to the convenient emergency rescue box room convenient to assemble, through rapid disassembly and assembly of the inserting sleeves, the first side plates and the second side plates, through cooperation of first bolts and second bolts, overall rapid disassembly and assembly can be achieved, later-period transportation can be facilitated, the overall stability and bearing capacity can be enhanced through bottom reinforcing ribs, rapid disassembly and assembly of louver fans can be achieved through the mounting frames, and the assembly efficiency is improved. And through cooperation of the design of the first sealing sleeve and the second sealing sleeve, water and dust can be prevented from entering the box room from gaps, and therefore the temperature and cleanliness of the box room are kept.

The utility model discloses a nanometer NDR silicon conductive film valley electricity heat storage type hot water supply device which comprises a heat storage box body, the side face of the heat storage box body is rotationally connected with a rotating door through a hinge, the side face of the rotating door is electrically connected with a plurality of sets of display screens and indicator lamps, and the two sides of the heat storage box body are symmetrically and fixedly connected with dehumidification fans. The humidity and temperature in the heat storage box body can be maintained through the arrangement of the dehumidification fan, the safety of the working environment of the device is maintained, the humidity and temperature in the heat storage box body can be dynamically adjusted through the arrangement of the control cabinet, the safety of the device is further enhanced, the service life of the device is prolonged, and the device is suitable for popularization and application. The heating plate is used for heating the phase change material in the off-peak electricity period, heat is stored, the stored heat can be used for supplying hot water in the peak electricity period, and therefore efficient utilization of electric energy is achieved through the device, and the energy cost is saved.

The present invention discloses an evaporative cooling vest based on nanofiber aerogel and a preparation method and application thereof, which are used in the technical field of electrostatic spinning nano-functional materials. The nanofiber aerogel composite material of the present invention comprises a polyacrylonitrile fiber aerogel layer and a waterproof and breathable nanofiber layer arranged on the upper and lower sides of the polyacrylonitrile fiber aerogel layer. The nanofiber aerogel composite material of the present invention is easy to use and operate, and only needs to be soaked in liquid water, and the water absorption rate is as high as 30 to 50 times, and the waterproof and breathable layers on both sides can prevent liquid water from contacting the skin, ensuring wearing comfort. After the composite material absorbs water, it quickly cools the human body in hot weather environments, and achieves a cooling effect of 8 to 10°C in a high temperature environment above 35 degrees Celsius. It has great application prospects in the field of preparing steam cooling vests and other clothing.

The double-layer ceramic teapot comprises an inner teapot body, the outer surface of the inner teapot body is fixedly sleeved with an outer teapot body, the top of the inner teapot body is movably provided with a teapot cover, the bottom of the teapot cover is fixedly connected with a rubber plug, the bottom of the rubber plug penetrates through the inner teapot body and extends into the inner teapot body, and the rubber plug is movably connected with the inner teapot body in a clamped mode. By arranging the fixing mechanism, the kettle cover and the inner kettle body are connected more stably, the kettle cover is not prone to falling off in the water pouring process, and the situation that the kettle cover is broken is effectively avoided.

A kind of food 3D printer's feed system, including raw material mixing and stirring mechanism, paste caching mechanism and spray head mechanism;The top of raw material mixing and stirring mechanism is equipped with powder and liquid feed module, for uniformly mixing powder and liquid into premix;Paste caching mechanism includes vibrating paste box and caching cylinder, which is detachably connected with vibrating paste box and at least partially extends into the inner cavity thereof, the feed inlet of caching cylinder is connected with the discharge port of raw material mixing and stirring mechanism, and can receive the premix of mixing and stirring mechanism;Vibrating paste box has vibrating module for vibrating premix in caching cylinder and heating module for heat pasting premix in caching cylinder into cooked material;It also includes spray head mechanism detachably connected with the discharge port of caching cylinder and used for receiving cooked material pressed out from caching cylinder.The feed system of the present food 3D printer, mixing and stirring and paste caching are carried out separately, which can ensure the uniformity and printability of printing food materials, and facilitate flexible large-scale operation.

The utility model discloses a feeding mechanism for silica gel ring production, which belongs to the technical field of silica gel ring production feeding and comprises a workbench, a die movably placed on the workbench, a plurality of die grooves arranged in the die, a cover plate movably arranged above the die, a diversion hopper fixedly arranged at the top of the cover plate, and a plurality of through holes arranged at the bottom of the diversion hopper and penetrating through the cover plate. A transverse plate is arranged above the cover plate, a raw material box and a telescopic rod are fixedly arranged on the top wall and the bottom wall of the transverse plate respectively, a heating structure is arranged on the side wall of the raw material box, a stirring rod is rotationally arranged in the raw material box, the telescopic rod can drive the cover plate to move up and down, and the flow dividing hopper is communicated with the raw material box through an elastic conveying pipe. One mold is provided with a plurality of mold grooves, and a plurality of silica gel ring mold grooves with different specifications can be filled at a time, so that the injection molding efficiency is improved. A heating structure and a stirring rod are arranged in the raw material box, so that the temperature and uniformity of the raw materials can be kept during feeding, and the raw materials are prevented from being coagulated into blocks.

The invention relates to the technical field of heat preservation pots, and discloses a food heat preservation pot with good sealing performance, which comprises a heat preservation shell, a non-slip mat is fixed at the bottom end of the heat preservation shell, a sealing cover is slidably arranged at the bottom end of the heat preservation shell, and bilaterally symmetrical rubber plugs I are slidably arranged at the bottom end of the sealing cover; the temperature control assembly is arranged on the heat preservation shell and used for controlling the temperature in the heat preservation shell; the sealing assembly is arranged on the outer wall of the sealing cover and used for improving the sealing performance of the sealing cover and the heat preservation shell; the containing assembly is arranged in the heat preservation shell and used for containing food and sealing the food at the same time; the adjusting assembly is arranged at the bottom of the heat preservation shell and used for adjusting the height of the containing assembly. Through the effect of arranging the temperature control assembly on the heat preservation shell, the purposes that the temperature in the heat preservation shell is conveniently controlled in a penetrating mode, the practicability of the heat preservation pot is improved, the problems that temperature distribution is uneven and the heat preservation effect is unstable are solved, and the heat preservation effect of food in different environments is ensured through intelligent adjustment of the temperature control system.

The application discloses a sugarcane punching and film covering machine, which comprises a rack, a film winding roller, a punching mechanism, a film pressing mechanism, a tensioning mechanism and a control module.

The utility model discloses a photovoltaic cell acetic acid test device, which relates to the technical field of cell test, and comprises a main box body, a conical opening is arranged at the bottom of the main box body, and an acetic acid bearing frame is arranged in the main box body; an observation opening is formed in the main box body; a collection box; the heating box is installed on the side edge of the main box body and connected with the main box body through a connecting pipeline, and a heating pipe and a driving fan are installed in the heating box; an electric valve is mounted on the connecting pipeline; the rotating rod is transversely mounted in the main box body, and a rotating motor is arranged at the end part of the rotating rod; a transmission assembly is installed on the rotating rod and connected with the acetic acid bearing frame. A temperature detector and a humidity detector; an accommodating cavity and a circulating pump are mounted in the sampling box, and the accommodating cavity is connected with the acetic acid bearing frame by mounting a circulating pipeline; and the air outlet is provided with a control valve and is positioned at the upper end of the main box body, so that the technical problems that a battery piece is inconvenient to observe and the concentration and the temperature of acetic acid are difficult to maintain in a normalized manner are solved.

The utility model discloses a noodle bowl convenient to drain, which belongs to the field of instant noodle buckets and comprises a noodle bowl and a bowl cover, in order to facilitate water adding and water draining during instant noodle making, a connecting piece is fixedly connected to the edge of a bowl opening of the noodle bowl, and the bowl cover is adhered to the top of the connecting piece. An edge groove communicated with the interior of the noodle bowl is fixedly connected to the outer wall of the noodle bowl, a semi-ring is fixedly connected to the position, corresponding to the edge of an opening of the edge groove, of the connecting piece, a sealing cover is clamped to the semi-ring, and a protruding part bonded to the semi-ring is fixedly connected to the bowl cover. According to the noodle bowl convenient to drain water, through the design of the edge groove, the sealing cover and the protruding part, the convenient, rapid and smooth operation experience is provided, meanwhile, the temperature and taste of instant noodles are kept, and use convenience and comfort are improved.

The invention discloses a glass kiln and a fan control method, control equipment and a medium thereof, relates to the technical field of kiln automation, and provides a fan control method of the glass kiln, a plurality of fans are arranged at an outlet of the glass kiln, the fans comprise operation fans and standby fans, and the operation fans are connected with the standby fans; the draught fan control method of the glass kiln comprises the steps that a fault signal of a running draught fan is received, the fault duration of the running draught fan is determined, and the delayed starting moment of a standby draught fan is determined; when the fault duration is smaller than or equal to a preset fault duration threshold value and the delay starting moment is reached, the standby fan is started; and under the condition that the fault duration is larger than a preset fault duration threshold value, the standby fan is directly started. According to the method, the switching time of the fans in the glass kiln is judged, so that stable operation of the glass kiln is realized.

The utility model provides a medicinal material drying device, which belongs to the technical field of plaster drying equipment and comprises a drying mechanism, the drying mechanism comprises a sealing box, box doors are symmetrically arranged on the front side of the sealing box, each box door is provided with a first handle, heating modules are arranged on two sides of the sealing box, a water outlet is arranged on the left side of the sealing box, and a water inlet is arranged on the right side of the sealing box. A ventilation motor is arranged at the top of the sealing box, a plurality of germicidal lamps are arranged on the inner side wall of the sealing box, a water tank is arranged in the sealing box, a storage module is arranged in the water tank and comprises a storage rack, a plurality of sliding assemblies are arranged on the storage rack, each sliding assembly comprises a storage plate, sliding grooves are symmetrically formed in the storage plate, and a sliding rail is arranged in each sliding groove. A storage box is arranged on the sliding rail, a second handle is arranged on the storage box, water in the water tank is heated through the heater, heat is circulated in the sealing box through water vapor, plaster drying work is achieved, and smile bacteria are killed through a sterilization lamp.

The invention belongs to the technical field of traditional Chinese medicinal material seedling raising, and discloses a method for improving seedling raising uniformity of radix paeoniae rubra in Sichuan, which adopts a covering material with a double-layer film or multi-layer film structure to improve the soil temperature and humidity regulation and control capability. The novel covering film material can comprise a layer of light reflecting film and a layer of light absorbing film, so that heat preservation and moisture preservation can be realized, and the growth of weeds can be controlled. The way of laying may also be further optimized, such as by mechanical laying to ensure uniformity of the covering and durability of the film. An intelligent water and fertilizer management system is introduced, a soil humidity sensor and a nutrient monitoring device are combined, the moisture and nutrient content of field soil is monitored in real time, and the time and dosage of irrigation and fertilization are accurately controlled. In the cultivation management process, application of biological control and green plant protection technologies is added, such as natural control means of natural enemy insects, plant extracts and the like, use of chemical pesticides is reduced, and meanwhile the disease resistance of crops is enhanced.

The utility model relates to the technical field of medical equipment, in particular to a disposable light-proof heat-preservation medical specimen bag which comprises a specimen bag body, lifting blocks are fixedly installed on the side walls of the two sides of the specimen bag body, an aluminum foil layer is arranged in the specimen bag body, a first sealing strip is installed at the vertical position in the specimen bag body, and a second sealing strip is installed at the vertical position in the specimen bag body. A second sealing strip is installed at the horizontal position in the specimen bag body, a grip is fixedly installed at the center of the upper end of the specimen bag body, a silver coating is fixedly installed on the surface of the specimen bag body, and through the design of the silver coating, the medical transportation standard is met, the sealing performance is high, high temperature resistance can be achieved, alcohol sterilization is convenient, and use is not affected; concave-convex meshing is completed through the first sealing strip and the second sealing strip, the silver coating is coated below a seal to the bottom, opacifying agents such as titanium oxide, carbon black and pigment are added into a coating agent, the coating is formed through multi-layer coating, when light rays are emitted to the coating, the light rays are reflected or absorbed, and finally the light rays are completely blocked, and a coating object is endowed with flame retardant performance.

The utility model discloses a screen exchanger assembly of a full-automatic film blowing machine, which comprises a screen exchanger and a screen exchanger outlet flange, one side of the screen exchanger is fixedly screwed with a machine barrel flange through a first bolt, the screen exchanger outlet flange is screwed with the other side of the screen exchanger through a second bolt, and the surface of the screen exchanger outlet flange is connected with a flange outlet ring. The external heating shaft and the mounting groove in the surface of the outlet flange of the screen exchanger are mounted and fixed, so that the heating shaft is connected with the flange outlet ring on the surface of the outlet flange of the screen exchanger, and one end of the machine barrel in the machine barrel flange can be connected and fixed with an external mold through the connecting flange; the heating shaft can continuously work to heat molten plastic particles in the outlet flange of the screen exchanger, so that the temperature and the fluidity of the molten plastic particles are kept, and the situation that the molten plastic particles are solidified when a filter screen is replaced, so that production is interrupted, and the production efficiency is influenced is prevented.

The invention provides an organic fertilizer for improving cucumber stress resistance and a preparation method thereof, and belongs to the technical field of organic fertilizer preparation. The preparation process comprises the following steps: preparing a compound fermentation bacterial liquid; preparing a polyethylene glycol terephthalate / composite zymophyte composite film; preparing a compost additive; and piling and fermenting the organic fertilizer. According to the invention, the straw, the animal manure and the kitchen garbage are co-composted by adopting a fermentation process of'composite zymophyte liquid + polyethylene glycol terephthalate / composite zymophyte composite film 'and a fermentation process of'composite zymophyte liquid + polyethylene glycol terephthalate / composite zymophyte composite film', so that the decomposition degree of the organic fertilizer is higher; therefore, the prepared organic fertilizer can improve the stress resistance of the cucumbers, reduce the negative influence of stress on the growth and development of the cucumbers, and ensure the yield and quality stability of the cucumbers.