1416results about How to "Timely supplement" patented technology

The invention relates to a biomass analgesic liquidation method and its twin-tower set system, the processes of which comprise the following steps: sending biomass to pyrolytic reaction tower and blending it with high-heat fluidized gas to subject biomass to pyrolytic cracking; separating thermal cracking gas with carbon residue and ash content in separator; and condensing thermal cracking gas to biological oil in condenser. In the process, heat-carrying agent is exported from pyrolytic reaction tower along with thermal cracking gas, carbon residue and so on, and carbon residue is used to preheat heat-carrying agent. The invention is special for heat-carrying agent heating tower to burn carbon residue and primary separator to separate heat-carrying agent, carbon residue and other materials. The invention can not only increase circulation rate to ensure uniform and stable temperature field in pyrolytic reaction tower, higher heating rates and shorter detention period of gas phase, but also make use of carbon residue as heat source by using existing apparatus.

The invention discloses a chassis battery change system for electric passenger cars. The chassis battery change system comprises a rapid change robot, a battery change platform, a transfer platform, a background monitoring system, a stacking machine and a charging frame, wherein the transfer platform, the stacking machine and the charging frame are arranged on one side of the battery change platform; the rapid change robot is arranged between the battery change platform and the transfer platform; an electric passenger car is capable of passing through the battery change platform; a locking mechanism which corresponds to a battery box supported by the rapid change robot is arranged on the electric passenger car; and the background monitoring system is connected with the rapid change robot and the stacking machine respectively through an industrial Ethernet. At the same time, the invention also discloses a using method of the system. A mechanical positioning mechanism of the battery change platform is simple, correct in positioning and low in manufacturing cost; a hydraulic lifting mechanism is used in the rapid change robot, so that the whole change process is reliable and stable, the size of the change equipment is decreased effectively and the actual occupied area of the change system is saved; and the transfer platform is used as a battery change interaction link between the rapid change robot and the stacking machine, so that the time spent by the battery change is further shortened.

The invention discloses a selenium-enriched rice planting method. The method includes the following steps of land selecting, field finishing, seed treatment, sowing and seedling raising, seedling transplant, fertilizer management in the later period, irrigation treatment and selenium-enriched rice harvesting. Before seedlings are transplanted, selenium-enriched base fertilizer in a complex state is applied in the rice field, and a certain selenium source is provided for rice; at the beginning of panicle emergence and flowering of rice and grouting, the selenium-enriched compound fertilizer is applied in the rice field again, the selenium-enriched fertilizer is evenly distributed around roots of the seedlings in the growth process, the selenium in a complex state from soil is absorbed by the roots of the plants and then enters the inner cycle systems of the plants and participates in synthesis of protein through the path from stems to leaves to flowers and fruits, and finally, the selenium in an ionic condition from soil is stored in the seeds in the form of selenoprotein. The selenium-enriched rice tastes good and is high in nutrient matter content, and the content of the selenium of the rice can reach over 0.2 mg / kg and meets the national selenium-enriched standard.

The invention discloses a lithium supplement composite diaphragm, a preparation method and application, and belongs to the technical field of a lithium secondary battery. According to the lithium supplement composite diaphragm, a ceramic layer and a ceramic-lithium supplement layer are arranged at two sides of a base diaphragm; on the one hand, the temperature resistance of the diaphragm is improved, the heat shrinkable property of the diaphragm is improved, and the occurrence of short circuit accidents is reduced; and on the other hand, the Lithium ions consumed in the charge / discharge process can be timely supplemented, the ion transport speed is improved, and the structure stability in the circulation process of the lithium battery is improved. According to the lithium supplement composite diaphragm, the preparation method and the application, the lithium supplement layer is arranged on the surface of the ceramic layer, potential safety hazards resulting from micropore blocking due to the fact that metal lithium powder directly contacts the base diaphragm can be avoided, moreover, the ceramic layer plays a role in buffering and heat dissipation, and the security of the lithium powder in the use process is improved. Netty current collectors are employed in the lithium battery, and the lithium ions can pass through an anode sheet and a cathode pole rapidly, and a high speed channel is provided to supplement the lithium ions timely.

The invention discloses a method for coal bed methane mining by multi-element thermal fluid foam displacement. Multi-element thermal fluid is injected into a coal bed of an injection-production well group through an injection well, and foaming agent is injected at intervals. A multi-element thermal fluid foam slug is formed in the coal bed to displace the coal bed methane in order to improve the recovery efficiency of the coal bed methane. The method specifically includes that extracted coal bed methane is compressed and mixed with compressed air, and then the mixture is injected into a multi-element thermal fluid generation device for ignition, extracted processed ground water is mixed to produce the multi-element thermal fluid mainly with high-temperature and high-pressure water vapor and mixed gas of carbon dioxide and nitrogen, the produced multi-element thermal fluid is injected into the underground coal bed through the injection well, a foaming system composed of preferred alkyl ether sulfonate and corrosion inhibitor is injected from an oil jacket annulus at intervals, the multi-element thermal fluid foam slug is formed under the ground to displace the coal bed methane, and water is drained and gas is recovered from a production well. The method has the advantages that fuel is easy to obtain, principles are clear and distinct, and the like, and can provide guidance for implementation of well stimulation of the coal bed methane.

The present invention discloses a three-dimensional food printer which can continuously produce foods, especially chocolate foods, in a simple operation mode. The technical scheme is as follows: the three-dimensional food printer comprises a nozzle, an X-axis driving system, a Y-axis driving system, a Z-axis driving systems, a workstation, an apparatus body and computer control system, wherein a hopper storage-screw extrusion nozzle is adopted. The hopper of the printer is large, so that a large amount of chocolate materials can be stored, furthermore, chocolate can be conveniently added into the hopper to timely replenish materials without necessity of melting the chocolate by heat during operation of the printer, so that chocolate foods can be continuously produced.

The invention discloses a method for displaying commodity full results after commodity information input by a user. The method comprises the following steps that: inputting commodity information, wherein the commodity information comprises the picture information of a commodity or the combination of the picture information and the text information of the commodity; utilizing a pre-trained neural network to extract picture characteristics in the picture information of the commodity; obtaining commodity attributes corresponding to the picture characteristics, and / or extracting keywords in the text information of the commodity, and obtaining the commodity attribute corresponding to the keywords; and matching the commodity attributes obtained in the commodity information with the commodity attributes of an established commodity mapping knowledge domain, and determining a target commodity with commodity attributes. The invention also discloses equipment which applies the method. By use ofthe method, image identification is combined with the commodity mapping knowledge domain corresponding to the image to realize a purpose that accurate and complete commodity full results are displayedafter the user inputs the commodity information, and convenient, efficient and accurate searching and shopping experience is brought to users.

The invention relates to a soup-stock drink, which effectively solves the problem of supplement of nutritional requirement when a human body is in a sub-health state. A technical scheme used for solving the problem comprises the following steps of: chopping bones into small blocks; cleaning the chopped bones; throwing the chopped bones into a steam cooker; adding water into the steam cooker to immerse the chopped bones; stewing for two times to remove blood; dumping the water with the blood; adding pure water, wherein the weight ratio of the water to the bones is 1:1; heating; filtering oil foam and blood foam on the upper layer by using a sieve; stewing, extracting and standing; separating bone oil from bone soup by using an oil-water separator; performing water evaporation on the bone soup in a vacuum state; concentrating to obtain a bone soup material A; adding an addition material B into the bone soup material A to prepare clear-soup type or white-soup type soup-stock, wherein the weight ratio of the bone soup material A to the addition material B is 1-4:1; and adding water, a condiment and a food additive into the clear-soup type or white-soup type soup-stock to prepare a clear-soup type or white-soup type soup-stock drink. The soup-stock drink has the advantages of rich nutrition, convenient drinking, capacity of effectively solving the problem of nutrient unbalance due to eating disorder caused by fast-paced life, convenient carrying and capacity of supplementing nutrition in time.

The invention relates to the control method of steam microwave ovens. It includes the following four phases: Phase 1: the microwave generating device works so that the microwave heats food, in the latter phase of the first microwave heating phase, steam generator is started to supply a certain amount of steam for food; Phase 2: the microwave generating device and the barbecue heat-generating pipe work alternatively, the steam generator is closed to shorten the food cooking time and maintain the original food nutrition structure; Phase 3: the microwave generating device and the barbecue heat-generating pipe are closed, the steam generator works again to supply steam for food again; Phase 4: the steam generator is closed, the barbecue heat-generating pipe works individually to coloring food. The cooking time of said four phases can be chosen according the cooked food to meet the requirements of food cooking. The invention not only shorten the food heating time of microwave and barbecue, it also can supply moisture timely, and prevent the food nutrition structure is changed by rapid heating, so the food taste is better.

A teaching courseware construction method based on meta-knowledge points includes the steps that when a teacher needs to make courseware, the teacher can have access to a database of a server through a courseware editor on a terminal, and teaching resources of multiple subjects divided with meta-knowledge points as the units are stored in the database; when the courseware editor is started, the teacher can select required teaching resources and generate the courseware through the courseware editor, meanwhile, the newly generated courseware is stored into the database by the server, and other teachers can view the newly generated courseware through terminals and copy the courseware. Through the teaching courseware construction method based on meta-knowledge points, the workloads of teachers are greatly reduced, the courseware can be replenished or improved in time, the teaching method can keep being promoted, and the teaching effect is improved.

The invention provides a mono-trapezoid flow battery, a poly-trapezoid flow battery and an electric pile thereof. Both a cathode porous electrode and an anode porous electrode in the mono-trapezoid flow battery are trapezoidal plate electrodes and are respectively arranged inside a cathode electrolyte flow frame and an anode electrolyte flow frame. On the cathode electrolyte flow frame and the anode electrolyte flow frame, two electrolyte inlet flow paths are arranged nearby the lower bottom edges respectively of the cathode porous electrode and the anode porous electrode, and two electrolyte outlet flow paths are arranged nearby the upper bottom edges respectively of the cathode porous electrode and the anode porous electrode. The electrolyte flows into the cathode porous electrode through the lower bottom edges of the cathode porous electrode and the anode porous electrode and then flows out from the upper bottom edges of the cathode porous electrode and the anode porous electrode. The trapezoid flow battery is reduced in concentration polarization at certain degree and further is reduced in voltage loss, and meanwhile, is improved in utilization efficiency of the electrolyte and is increased in total efficiency.

The invention provides a novel piezoelectric wafer control type non-contact glue dispensing device with the advantages that the structure is simple, the maintenance is convenient, and the cost is low. The micro vibration displacement of a piezoelectric wafer is amplified through a displacement amplification mechanism, a firing pin is driven to vertically move, and the glue liquid spraying is realized. The novel piezoelectric wafer control type non-contact glue dispensing device adopts the following technical scheme that the displacement amplification mechanism consists of the piezoelectric wafer, a diaphragm spring, a mass block, a vibration rod and the firing pin, when the voltage frequency exerted on the piezoelectric wafer approaches to or is identical to the inherent frequency of the displacement amplification mechanism, the displacement amplification mechanism reaches the resonance state, the output displacement and the speed of the firing pin reach the maximum values, the glue liquid is driven to be sprayed out from a spray nozzle, and the automatic distribution of the glue liquid is realized. The novel piezoelectric wafer control type non-contact glue dispensing device can be used for the fields of precise chemicals, medicine quantitative distribution, biomedicine and the like, is particularly applied to the technical field of high-viscosity glue dispensing in semiconductor encapsulation and is used for the chip fixation, the surface mounting and the bottom filling in the electronic encapsulation, the fluorescent powder coating in a liquid crystal display flat plate and the like.

The present invention relates to a composition for reducing sport injury and promoting sport injury repair. The composition comprises the following raw materials and auxiliary materials, by weight, 500-2000 parts of hydrolyzed collagen protein, 100-400 parts of soybean protein peptide, 50-400 parts of chondroitin sulphate, 50-400 parts of glucosamine or a salt thereof, 100-1000 parts of a traditional Chinese medicine, 10-400 parts of haematococcus pluvialis, 1-100 parts of vitamin, and 1-100 parts of a mineral. The composition provides good effects for sport injury reduction and sport injury repair promotion.

The invention belongs to the technical field of metal semisolid processing and relates to a continuous casting method for producing an aluminium alloy semisolid casting ingot. The continuous casting method is characterized by comprising the following steps: firstly, a flow splitting disc, a flow guiding pipe and a stirring rod of a mechanical stirrer positioned at the central part of the flow guiding pipe are preheated at the temperature of 50-80 DEG C; then overheat aluminium liquid with qualified smelting is casted into the flow splitting disc continuously at the temperature of 100-200 DEG C higher than the temperature of a liquid phase line; when the level of the aluminium liquid in the flow splitting disc reaches the range from 50 to150mm, a dummy ingot base starts to act, the continuous casting process is started, and the level of aluminium liquid in the flow splitting disc needs to be maintained in the range from 50 to 150mm; and finally, while the process of continuous casting is started, simultaneously an electromagnetic stirrer positioned at the outer part of the flow guiding pipe and the mechanical stirrer positioned at the central part of the flow guiding pipe are started and aluminium liquid flowing through the flow guiding pipe is stirred. The continuous casting method has the advantages that the aluminium alloy semisolid casting ingot can be produced in a low-cost and large-batch manner, and the continuous casting method is especially suitable for batch production of large-diameter aluminium alloy semisolid casting ingots.

The invention discloses a multifunctional integrated cooker with waste heat collection devices. The multifunctional integrated cooker comprises a body, an exhaust fume collecting hood and a protective plate, wherein a cooking bench is arranged on the top surface of the body; at least two cookers are arranged on the cooking bench; the exhaust fume collecting hood comprises a side plate, a smoke guide plate, an air door and a smoke stop cover; the waste heat collection devices are arranged in the hearths of the cookers; at least four height adjusting devices are arranged at the bottom of the body; the height adjusting devices comprise rollers, screw rods, limiting nuts, lifting seats and supporting rods; and the protective plate is positioned below the body and is connected with the body. The multifunctional integrated cooker disclosed by the invention is simple in structure and high in practicality, and due to the waste heat collection devices, the heat energy utilization rate during fuel gas combustion is improved, and the energy consumption is reduced. Moreover, cold water can be heated by virtue of heat, the water can be drunk and can be used for cleaning the cookers, and the cookers are convenient to use; and due to the design of an anti-counter-flow device, the condition that pollution of a kitchen environment is caused due to smoke recirculation in the flue is avoided, the cooker is safe to use, and the comprehensive utilization efficiency is improved.

The invention discloses a visualization experiment device for a deep-low-temperature condensation heat exchanging process. The visualization experiment device comprises a vacuum box, a reboiler, a steam exhaust pipe, a condensing device and a liquid storage tank, wherein the reboiler is used for containing and gasifying deep-low-temperature liquid, the steam exhaust pipe is communicated with the upper portion of the reboiler and used for outputting steam, the condensing device is communicated with the steam exhaust pipe and used for receiving and condensing the steam, the liquid storage tank is used for providing refrigerating capacity for the condensing device, and the side wall of the vacuum box is provided with a transparent light window. After being heated and evaporated through the reboiler, the deep-low-temperature liquid enters the condensing device through the steam exhaust pipe and flows back to the reboiler after being condensed, visualization is achieved by arranging the visual light window, data can be measured accurately in real time, and condensation of mixed gases and the influence on condensation by non-condensable gases can be researched by injecting other gases different from the researched gas. When the liquid level in the reboiler and the pressure of the steam exhaust pipe are unchanged, the heating quantity of the reboiler is equal to the steam condensation heat exchanging quantity on a test board, and therefore the steam condensation heat exchanging quantity can be measured indirectly.

The invention discloses a cobalt-containing nickel plated steel strip serving as a lithium battery shell material and a preparation method thereof. The preparation method comprises the following procedures of: (1) pretreating a base material; (2) continuously electrodepositing a nickel-cobalt alloy plating layer on the pre-treated base material; (3) carrying out diffusion annealing treatment on the nickel-cobalt alloy plating layer under a protective atmosphere like high-purity nitrogen; (4) plating a nickel-cobalt alloy plating layer on the metal subjected to the diffusion annealing treatment again; and (5) rolling the plated nickel-cobalt alloy plating layer in a cold manner. The cobalt containing nickel plated steel strip disclosed by the invention is prepared by a special process of tightly combining the nickel-cobalt alloy plating layer and a low-carbon steel strip and then electroplating the nickel-cobalt alloy plating layer and the low-carbon steel strip, shows better corrosion resistance and can be used for shell materials of primary batteries, secondary batteries and lithium ion power cells such as 18650, 26650 and the like.

The invention discloses a railway wagon brake cylinder which comprises a cylinder body, a piston assembly and a piston rod. The piston assembly and the piston rod are arranged in the cylinder body. A drive lubrication mechanism used for enabling the piston assembly to rotate in the process of brake release is arranged in the cylinder body. The drive lubrication mechanism comprises a plurality of leaf springs arranged at the bottom of the piston assembly, a gear ring base arranged at the bottom in the cylinder body, a spring seat arranged at the front end in the cylinder body and a release spring sleeved on the piston rod. The leaf springs are matched with the gear ring base to form a ratchet wheel structure. One end of the release spring abuts against the inner side end face of the piston assembly, the other end of the release spring abuts against the end face of the spring seat, and the release spring is in a compressed state continuously. When brake release is conducted on the piston assembly, the piston assembly can rotate under the action of the drive lubrication mechanism, so that grease naturally flowing to the lower portion of the brake cylinder is guided to the upper portion of the brake cylinder through the rotation of the piston, the grease of the brake cylinder circulates in the brake cylinder, and the function of driving lubrication is achieved.

The invention relates to a mold powder capable of effectively controlling peritectic steel thick slab narrow face depression defect. The mold powder comprises the following elements by weight percent: 38.02 to 40.1 percent of Cao, 28.8 to 30.02 percent of SiO2, 9.9 to 10.5 percent of CaF2, 9.06 to 9.5 percent of Na2O, 1.55 to 1.93 percent of MgO, 1.5 to 1.93 percent of AL203, 0.01 to 0.037 percent of Li2O and 0.035 to 0.053 percent of MnO. The mold powder has good lubricating property and spreadability. Because of the high melting speed, the invention can complement the quick consumption of liquid slag in time; because of the high alkalinity, the invention has strong absorbing and mixing capability; and because of the proper viscosity and the reasonable crystallization temperature, the invention plays an important role in uniformity. When the mold powder is applied to the casting of peritectic steel thick slab, the slag entrapment defect caused by crystallizer liquid level fluctuation is reduced greatly, the heat transmission uniformity is improved greatly and the surface quality of casting blank is good.

The invention provides a solar heat accumulating system and a seawater desalting system. The solar heat accumulating system comprises a heat collector, a heat accumulator and a heat using device, wherein the heat collector and the heat accumulator are communicated to form a circulating loop; the heat accumulator and the heat using device are communicated to form a circulating loop; a pipe, where the heat accumulator is located, is connected in parallel with a pipe, where the heat using device is located; the heat collector is used for absorbing energy from the sun and heating water in the heat collector; the heated water flows into the heat accumulator and the heat using device through a water outlet pipe respectively, and water flowing out of the heat accumulator and the heat using device enters the heat collector through a water return pipe for heat exchange. The invention provides the novel solar system and seawater desalting system, and the seawater desalting efficiency is improved through a heat accumulating function.

The invention discloses a cloud print self-service platform and a realizing method thereof. The self-service platform is connected with at least one self-service printing terminal and comprises a receiving module, a converting module, a payment management module, an order generating module, a pushing module and a monitoring module, wherein the receiving module is used for receiving a printing request submitted by a user; the converting module is used for transcoding a document uploaded by the user and storing the document; the payment management module is used for providing a payment interface, receiving money paid by the user and processing and storing the transaction amount simultaneously; the order generating module is used for generating an order voucher on the basis of the printing request submitted by the user; the pushing module is used for pushing the newly generated order voucher to a mobile terminal of the user in the way of a short message and pushing transaction information, material information and failure information to the monitoring module in real time; the monitoring module is used for giving an alarm when the failure information is received, or the abnormity of the material information is judged, or the transaction information is abnormal. The user can print according to needs at any time and any place without the limitation of region or time.

The invention relates to the technical field of chain assembly equipment, and particularly relates to chain accessory hybrid pushing assembly equipment. The chain accessory hybrid pushing assembly equipment comprises a working table, wherein an assembly groove is formed in the working table; a side push plate is arranged on one side of the assembly groove; the side push plate comprises a first pinroll push plate, a third lower chain plate push plate, a second pin roll push plate and a chain link push plate which are arranged on a push plate sliding block in sequence; the side push plate is further provided with a third transverse sliding block and a fourth transverse sliding block which are parallel to the push plate sliding block and driven by a third driving cylinder and a fourth driving cylinder which are correspondingly arranged. Synchronously pushed push plates are positioned on the same push plate sliding block through the arrangement of the side push plate, synchronous pushingof the side push plate can be completed through a second driving cylinder, the pushing efficiency is high, the application of a driver is greatly reduced, the equipment cost is reduced, the third driving cylinder and the fourth driving cylinder are arranged independently to push different types of upper chain plates, and the upper chain plates on the chain are of different structures and a proportion of irregularly-shaped chain plates.

The invention discloses an outdoor self-irrigating flowerpot which comprises an outer flowerpot body and an inner flowerpot body. The inner flowerpot body is connected with the inner bottom of the outer flowerpot body through a plurality of adjusting springs, a water storage cavity is formed in the lower portion of the outer flowerpot body, a water discharging and storing mechanism is arranged inthe water storage cavity, a starting groove is formed in the inner wall of the outer flowerpot body, a propelling spring is fixed at the inner bottom of the starting groove, a propelling block is fixed at one end, close to the inner flowerpot body, of the propelling spring, a pushing groove is formed in the upper end of the propelling block, and a partition plate is slidably connected in the innerwall of the pushing groove. The flowerpot has the advantages that a certain amount of irrigating water is stored in the water storage cavity and ejected under pushing of an extruding plate, ejectionof irrigating water flow is controlled by the weight of the inner flowerpot body, and the irrigating water flow can be timely supplemented and to irrigate plants after moisture in the flowerpot is lost according to a relationship between the weight of the inner flowerpot body and moisture in the inner flowerpot body, so that the plants are timely and effectively irrigated when in water shortage.

A miniature hydrogen cell stack control system is composed of a display module, an air pressure acquisition module, a voltage acquisition module, a current acquisition module, a temperature acquisition module, a liquid level acquisition module, an alarm module and an exception handling module. Data acquired by an air pressure sensor, a temperature sensor, a level sensor and a voltage sensor can be displayed at real time through a display panel. When there is an abnormal condition, the system can realize automatic protection of the electrical stack through flickering of a display panel light and alarm of a buzzer and through methods of closing loads and the like. According to the data acquired by the temperature sensor, the system adjusts revolving speed of a fan so as to make the electrical stack operate in the optimum state. Through calculating and comparing data acquired by the sensors, the control system controls related motions of an air inlet solenoid valve and an air outlet solenoid valve so as to realize automatic control of an air passage. The system can be adopted to automatically realize activation of the electrical stack, and operators can voluntarily select whether to need the activation function.

At present, electronic devices are getting more and more popular. But, electronic devices are limited by energy of battery. Especially, it is unable to charge battery at field. Then, electronic devices are not workable. The invention transforms mechanical energy from human body movement to electric energy. The invention is related to knowledge of electromagnetics including Faraday theory of electromagnetic induction, and Lenz law. When human body movement such as walking, running, jumping etc, or hand holding, rocking or pushing etc, energy generated from these actions through each method makes rotor move in magnetic field to generate current (generator principle), or makes magnetic field change in winding to generate current (Lenz law). After being rectified, and voltage stabilized, the electric energy can charge electronic devices.

The invention provides a cooking appliance. The cooking appliance comprises a shell, an inner container, a door, a water tank, a sealing device, a steam generator, a water pump, an opening device and a sealing plug, wherein the water tank is arranged in the door and is provided with a water inlet and a water outlet; the sealing device is arranged at the position of the water outlet and is used for sealing the water outlet; the opening device is arranged in the door and can trigger the sealing device so that the water tank is connected with the water pump; and the sealing plug is arranged at the position of the water inlet and is used for sealing the water inlet. The water tank is arranged in the door, on one hand, the size of the cooking appliance is reduced, the cooking appliance is attractive, and user experiences are improved; and on the other hand, a user can visually observe the water level of the water tank, and then liquid water can be supplemented in the water tank in time as needed. Moreover, by the water inlet and the water outlet on the water tank, the liquid water is supplemented in the water tank conveniently and easily, the user experiences are improved, and the market competitiveness of the product is improved.

The invention relates to a dripping and spraying double-effect emitter which comprises a connector, a shower nozzle part, a dripper part, a valve core and a spring, wherein the connector is provided with an irrigation water inlet; the shower nozzle part is arranged at the upper part of the connector and comprises a supporting sleeve, a rotating body and a rotating body support; the dripper part is arranged at the lower part of the connector and comprises a cone joint and an insert bar, and the valve core is used for converting the flow direction of pressure water; a firm conical-surface compressing connection is adopted between the rotating body support and the connector; the supporting sleeve is embedded in the rotating body support; the rotating body is sleeved on the supporting sleeve and in small-clearance fit with the rotating body; the rotating body can freely rotate with the support of the supporting sleeve and the rotating body support; a spray irrigation water inlet hole is arranged in the center of the supporting sleeve; the valve core is provided with a drip irrigation water inlet; the cone joint which is internally provided with a drip irrigation water passage is connected below the connector by a thread sleeve with inside and outside thread structures; the insert bar which is provided with a drip irrigation water outlet at the lower part is arranged below the cone joint and in the conical-surface compressing joint with the cone joint; and the emitter ensures that the spray irrigation and the drip irrigation are finished in one emitter by adopting the design of two pressure structures.

The invention discloses a multifunctional cold storage preservation storehouse. The multifunctional cold storage preservation storehouse comprises a storehouse body and an intelligent control system which is connected with the storehouse body and controls the storehouse body. The storehouse body is provided with a liquid nitrogen adjusting system and a humidity adjusting system. The liquid nitrogen adjusting system comprises a refrigerant tank installed at one end outside the storehouse body, a temperature sensor, an oxygen concentration sensor, a liquid nitrogen conveying pipeline and an atomization nozzle. The temperature sensor, the oxygen concentration sensor, the liquid nitrogen conveying pipeline and the atomization nozzle are arranged in the storehouse body. The humidity adjusting system comprises a humidity sensor and a humidifier. The multifunctional cold storage preservation storehouse has the main advantages that the application occasions are wide, and the structure is simple and convenient; liquid nitrogen serves as a refrigerant, so that no additional resources need to be consumed for heat exchange, equipment is simple, and fast cooling can be achieved; and data in the storehouse can be monitored in real time, the refrigerant tank can be locked in all directions and can be replaced conveniently, all indexes of the storehouse body can be monitored automatically and precisely, and data are recorded, saved, printed and transmitted.

The invention relates to a non-excavation sunken pipe protecting device which can prevent the accidents that sunken pipes are squashed, crushed and partially deformed due to wellbore instability, and the process that the sunken pipes are repaired and replaced or a new pipe is rearranged is omitted. The protecting device is composed of a sunken pipe, blocking devices and a protecting pipe, wherein the sunken pipe penetrates into the protecting pipe, the length of the protecting pipe is equal to the length of the sunken pipe needing protection, the blocking devices are mounted at the two ends of the protecting pipe, the annular space between the protecting pipe and the sunken pipe is filled with fluid, and the pressure of the fluid is smaller than or equal to the pressure of media in the sunken pipe; each blocking device is composed of a slips structure or a flange structure, a Y-shaped sealing ring, a pressure gage, a fluid inlet pipe and an O-shaped sealing ring, so that the fluid in the annular space is sealed, and pressure detection and fluid supplement are achieved. The non-excavation sunken pipe protecting device is simple in structure, convenient to operate and suitable for protecting pipes which penetrate through railways, roads, buildings, soft soil sections and the like.