210results about How to "Save production resources" patented technology

The invention provides a preparation method for a multilayer dissimilar metal composite ultra-thin strip. The preparation method includes the process steps that (1) different metal materials are synchronously cold-rolled for first thinning; (2) metal thin strips are polished and cleaned; (3) the upper surfaces and lower surfaces of two or more metal thin strips are closely attached; (4) two-roll synchronous cold rolling is conducted on dissimilar metal combined strips; (5) the upper surfaces and lower surfaces of 2-10 dissimilar metal thin strips subjected to preliminary combination are closely attached and then the procedures of the step (1) to the step (4) are repeated 2-10 times; (6) reversible four-roll synchronous cold rolling is conducted on a multilayer dissimilar metal composite thin strip; and (7) reversible four-roll asynchronous cold rolling is conducted on the multilayer dissimilar metal composite thin strip, and the multilayer dissimilar metal composite ultra-thin strip with the thickness being 0.01 mm-0.02 mm is obtained. According to the method, the selection range of the metal materials is wide, the requirement for equipment capacity is low, and the surface quality of the ultra-thin strip can be improved remarkably; besides, production resources are saved, production cost is reduced, and the method is suitable for large-scale industrial production.

The invention provides a method for producing computer-to-plate (CTP) lining paper, which is characterized in that: the lining paper is produced by using a common multi-cylinder long mesh paper machine, and the production process comprises the following steps: pulp beating, pulp proportioning, paper manufacturing with pulps, surface sizing, press polish and rewinding to produce base paper, then carrying out subsequent press polish treatment on the base paper to produce finished paper; the CTP lining paper is produced from paper pulps which are made of hardwood pulps and softwood pulps, chemical additive cationic starch, cationic dispersed rosin size and auxiliary sizing agent aluminum sulfate serving as raw materials. In the method, the cationic dispersed rosin size is used and the auxiliary sizing agent aluminum sulfate is added for two times on a proportioning pool and at an outlet of a fan pump, so that the problem of producing the CTP lining paper by using cationic dispersed rosin acid sizing technology is successfully solved. The pH value of the water extract of the produced base paper is kept within a range of 5.2 to 5.8, so that the key indicator of the paper, namely, the pH value of the water extract of the paper, meets the quality requirement on the CTP lining paper.

The invention discloses a method for treating 2-mercaptobenzothiazole production waste. The method comprises the steps of: heating the 2-mercaptobenzothiazole production waste to 90-95 DEG C, carrying out solid-liquid separation to obtain solid matter and liquid A, returning the solid matter to an accelerator M workshop, refining and purifying the solid matter to obtain a product accelerator M, distilling and separating the liquid A to obtain a fraction B and a fraction C, cooling residues in a distillation kettle to obtain asphalt-shaped matter D, absorbing hydrogen sulfide gas generated in the distillation separation process by using a sodium hydroxide solution to obtain a sodium hydrosulfide solution, concentrating the sodium hydrosulfide solution to obtain sodium hydrosulfide solids, rectifying and separating the fraction C to obtain aniline and benzothiazole. The method disclosed by the invention is capable of realizing the resourceful treatment of the 2-mercaptobenzothiazole production waste and has the advantages of various by-products, good product quality, simpleness in process flow, easiness in operation, mildness in reaction condition, low production cost and is environment-friendly.

The invention relates to the technical field of communication cables, and discloses an anti-separation ring rolling mechanism used for communication cable machining and production. The anti-separationring rolling mechanism comprises a rolling device, anti-separation ring devices and a cleaning device. The anti-separation ring devices are located on the two sides of the rolling device. The cleaning device is located on the back face of the rolling device. The rolling device comprises a mounting plate, and a rotating motor is connected to the middle position of the bottom of the mounting plate.According to the anti-separation ring rolling mechanism, the problem when a communication cable is rolled, the phenomenon of expansion or ring separation is prone to happening is solved; two pressingbarrels abut against and press the cable, then the two pressing barrels can carry out adjustment according to the thickness of the cable wound around a coiling block through sliding of sliding blockson sliding rods, and therefore it is guaranteed that the phenomenon of expansion or ring separation does not happen to the communication cable in the winding process; and the phenomenon that the communication cable needs to be taken and rolled again is avoided, then the overall work efficiency of the rolling device is improved, and production resources are saved.

The invention discloses a method for efficiently treating salt-containing organic wastewater and application of the method. The method comprises the following steps: (1) filtering the salt-containing organic wastewater, and performing diffusion dialysis on obtained filtrate to obtain acid solution or alkaline solution and salt-containing organic matter solution; (2) treating the salt-containing organic solution by utilizing a bipolar membrane to obtain organic matter-containing solution, acid solution and alkaline solution; (3) performing wet oxidation on the organic matter-containing solution to obtain treatment liquid; (4) performing aftertreatment on the treatment liquid to obtain water. According to the method for efficiently treating the salt-containing organic wastewater, disclosed by the invention, not only can the COD (chemical oxygen demand) value of the wastewater be obviously reduced but also matter in the wastewater can be effectively recycled.

The invention relates to an integrated cleaning machine and a cleaning method thereof. The integrated cleaning machine comprises a cleaning cylinder used for finishing cleaning of a to-be-cleaned component, and a liquid storage cylinder connected with the cleaning cylinder through a pipeline and used for storing cleaning liquid needed for cleaning operation, and the cleaning cylinder and the liquid storage cylinder are both fixedly arranged on an equipment support. The integrated cleaning machine further comprises a cyclic filtering mechanism connected with the cleaning cylinder and the liquid storage cylinder through a pipeline and used for achieving cyclic flowing of cleaning liquid between the cleaning cylinder and the liquid storage cylinder. The cleaning cylinder is internally provided with a rotation assembly used for achieving rotary cleaning of the to-be-cleaned component, and an ultrasonic assembly used for achieving vibration cleaning of the to-be-cleaned component. The rotation washing assembly and the ultrasonic assembly are matched to finish double cleaning of the to-be-cleaned component. The cleaning cylinder is internally further provided with a drying assembly used for drying the cleaned component. The integrated cleaning machine is excellent in cleaning effect, high in intensive degree and capable of effectively improving the cleaning efficiency, and very high usage and popularization value is achieved.

The invention discloses a product data processing apparatus and method wherein the method comprises the following steps: dividing a product model into regions to obtain a plurality of region units; and based on the region-divided model, displaying the detection data of the product wherein in the display of the detection data, based on the positions of the product corresponding to the detection data, the region units of the model corresponding to the positions are determined and the detection data is displayed at the determined region units. According to the invention, a product model is divided into several regions where the detection data of the product is displayed. With the apparatus and method, it is possible to precisely position each parameter of the product in the model and to display them directly. This is of great help to rapidly analyze and gather information so as to provide basis for the follow-up manufacturing and processing.

The invention discloses a drawer type tray feeding machine which is matched with a loading and unloading mechanism arranged on a production line main machine table and comprises a device frame. A loading station and an unloading station are arranged in the device frame side by side. The drawer type tray feeding machine further comprises a loading drawer, a loading servo lifting assembly, a tray transverse moving assembly, an unloading servo lifting assembly and an unloading drawer. The tray transverse moving assembly is arranged above the loading servo lifting assembly and the unloading servolifting assembly, and the loading drawer and the unloading drawer are arranged on the same side. Unstacking and stacking of the trays are completed, and automatic loading and unloading operation is achieved in cooperation with the loading and unloading mechanism on the main machine table. Meanwhile, the overall size and occupied area of the equipment are effectively reduced by the stacked layout mode, the space in a processing workshop is saved and convenience is provided for integration of the equipment.

The invention discloses a printing device for packaging bag production in the technical field of packaging bags. The printing device comprises a workbench. A groove is formed in the outer wall of themiddle of the top of the workbench. Buffer devices are evenly arranged on the outer wall of a conveying belt and are arranged in an annular array manner. A supporting plate is arranged at the end, away from the conveying belt, of each buffer device. Rotating shafts are arranged at the left end and the right end of the outer wall of the side, away from the corresponding buffer device, of each supporting plate. Pressing devices are arranged at the close ends of the rotating shafts of the left set and the right set of each supporting plate. In the device, the pressing devices are moved to the positions above packaging bags, the packaging bags are fixed to the supporting plates, and the situation that the packaging bags move during printing, consequently, printing positions deviate, or part ofpatterns are not printed onto the packaging bags is avoided; and a mold plate is blocked by a sponge layer, the situation that the mold plate is directly inserted into ink, and consequently a large amount of ink is attached to the outer wall of the mold plate is avoided, the situation that the ink drops off from the mold plate to contaminate the workbench and the packaging bags is avoided, and the processing quality of the packaging bags is guaranteed.

The present invention provides a high-end device flow line production dispatching method based on an improved genetic algorithm. The method comprises the steps of: generating a first population basedon initial parameters; calculating an adaption value of each chromosome based on the chromosomes in the first population to determine optimal solutions; obtaining the number of times of iteration, andcomparing the number of times of iteration and an iteration threshold value; if the number of times of iteration is smaller than the iteration threshold value, employing a preset algorithm to performiteration of the first population to determine a second population and the optimal solution of each chromosome in the second population; and if the number of times of iteration is larger than or equal to the iteration threshold value, outputting the optimal solution. Therefore, the flow line production dispatching problem of machines in each process is researched in the embodiment to solve the quasi-optimal solution of the problem so as to save the production resources to the maximum extent, reduce the processing time, improve the production efficiency and improve the enterprise core competitiveness.

The invention discloses a ball-milling process for superfine ceramic powder. The ball-milling process comprises the following steps of proportionally feeding ceramic powder, water and primary grinding ball stones into a first section of ball-milling tank, mixing the added ceramic powder, water and primary grinding ball stones with stirring by virtue of the first section of ball-milling tank, and performing primary medium-fineness crushing on the ceramic powder in a stirring mixing process by virtue of the primary grinding ball stones; pumping slurry out after the feed liquid is stirred for a long time by the ball-milling tank and the ceramic powder in the slurry is ground to medium fineness, simultaneously filtering the primary grinding ball stones in the slurry, and feeding the filtered slurry into a second section of ball-milling tank; adding secondary grinding ball stones into a second section of ball-milling tank according to a certain proportion, stirring the slurry within a preset time, and secondarily and finely grinding the ceramic powder in the slurry by virtue of the secondary grinding ball stones in the second section of ball-milling tank until final fineness is achieved.

The invention provides an enhanced reaction system and process for preparing acetic acid through methanol carbonylation, and belongs to the technical field of acetic acid preparation. The enhanced reaction system comprises: a feeding unit used for storing and conveying carbon monoxide and methanol; and a carbonylation reaction kettle internally provided with a micro-interface generator, connectedwith the feeding unit and used as a place for a carbonylation reaction, wherein the micro-interface generator is used for crushing carbon monoxide bubbles into micro-bubbles with the diameter of micron grade before the carbonylation reaction in order to increase the phase boundary mass transfer area between the carbon monoxide and the methanol in the carbonylation reaction process and enhance thecarbonylation reaction efficiency. According to the enhanced reaction system and process for preparing acetic acid through methanol carbonylation, the problem that in the prior art, carbon monoxide and methanol cannot be fully mixed in a carbonylation reaction kettle, and consequently the reaction efficiency of the system is reduced is solved.

The invention discloses a code division multiple access (CDMA) / global system for mobile communications (GSM) dual-mode single-standby mobile phone, a test method and a test system of the CDMA / GSM dual-mode single-standby mobile phone. The method comprises the steps of starting the mobile phone into a factory testing mode, executing initialization of a mobile phone card, judging whether the mobile phone card exists in the mobile phone or not, entering a specified network and executing a property test of the specified network when the mobile phone card exists in the mobile phone, otherwise, entering to a default network and executing a property test of the default network. According to the CDMA / GSM dual-mode single-standby mobile phone, the test method and the test system of the CDMA / GSM dual-mode single-standby mobile phone, through the fact that card information is read and whether the mobile phone card exists or not is judged in the factory testing mode, different networks are selected, property tests are carried out, and testing speed is improved under the premise that two network property tests are achieved.

The invention discloses a waste cloth recycling device for spinning, and relates to the technical field of spinning production equipment. The waste cloth recycling device for spinning comprises a base, wherein a first box body, a crushing box and a drying box are sequentially and fixedly arranged above the base from left to right; a cleaning and crushing mechanism, a dewatering mechanism and a water circulation mechanism are sequentially arranged in the first box body from top to bottom; a first crushing shaft, a second crushing shaft and crushing rollers are arranged in the crushing box; heating pipes are arranged in the drying box; a first motor is fixedly arranged on the inner wall of the left end of the first box body; and a cleaning box is arranged on the right side of the first motor. Through the arrangement of the first box body, the crushing box and the drying box, waste cloth is cleaned, dewatered, crushed and dried, so that subsequent transportation and storage are facilitated, the steps and time for cleaning during use are reduced, the recycling rate of the waste cloth is effectively increased, production resources are saved, and the environmental protection performance in spinning production is improved.

The invention relates to the technical field of hub production, and specifically relates to laser inscription equipment for hubs. The laser inscription equipment for the hubs comprises a hub conveyingmechanism, a hub height measurement mechanism, a clamping-rotating mechanism, a one-dimensional code scanning identification mechanism and a laser inscription mechanism, wherein the hub conveying mechanism is used for conveying hubs to charge and discharge; the hub height measurement mechanism is used for measuring the heights of the hubs, generating height signals and adjusting the height of a movable one-dimensional code scanning mechanism in the one-dimensional code scanning identification mechanism on the basis of the height signals; the clamping-rotating mechanism is used for clamping, lifting and rotating the hubs; the one-dimensional code scanning identification mechanism is used for identifying one-dimensional code information of the hubs and determining laser inscription contentson the basis of the one-dimensional code information; and the laser inscription mechanism is used for moving to a predetermined inscription position below the clamping-rotating mechanism and carryingout inscription working on the hubs. The laser inscription equipment for the hubs is high in automation degree, and capable of increasing the inscription efficiency and accuracy for the hubs, reducing the product rejection rate in an inscription workshop section for the hubs, and saving the production resources.

The invention discloses an automatic feeding and discharging device and a corresponding automatic feeding and discharging method for trays. The device comprises a device frame and functional assemblies arranged on the device frame, wherein the functional assemblies comprise a feeding assembly, an unstacking assembly, a transfer positioning assembly, a stacking assembly and a discharging assembly,the feeding assembly and the discharging assembly are arranged on the device frame in a stacked mode, and the feeding end of the feeding assembly is arranged on the same side as the discharging end ofthe discharging assembly. According to the automatic feeding and discharging device, unstacking and stacking of the material trays are completed, the feeding and discharging operation on an automaticproduction line are achieved through being matched with a material taking mechanism arranged on a main machine table, the overall size and the occupied area of the device are reduced through adoptinga longitudinal layout mode of the feeding and discharging trays, the space in a machining workshop is saved, and convenience is provided for integration and consolidation of the device and other assembling devices.

The invention discloses an oil resistant rubber applied under a railroad switch. The oil resistant rubber comprises, by weight, 100 parts of acrylonitrile-butadiene rubber N41 as a big material, 45-65 parts of reinforcing agent and 15-25 parts of anti-wearing agent as middle materials, 4-8 parts of vulcanizing agent, 3-5 parts of accelerant, 1-4 parts of anti-aging agent, 2-4 parts of coupling agent and 1 part of octadecanoic acid as small materials. The invention further provides a preparation method and application of the oil resistant rubber applied under the railroad switch. The oil resistant rubber applied under the railroad switch has the advantages of being good in performance, and high in cost effectiveness. The novel type oil resistant rubber cushion plate applied under railroad switch prepared by using the oil resistant rubber applied under railroad switch can fully meet the railway industry standard TB / T2626-1995 and the high speed railway standard TB / T3395.(1-5) 2015 technical standard, and has little appearance change and stable physical properties, has an oil resistant index more than four times higher than the traditional rubber cushion plate applied under the railroad switch, has an oil absorption rate below 1.53-2.96%, which all prolong the service life of the rubber cushion plate applied under the railroad switch.

The invention provides an anti-loosening connecting bolt. The anti-loosening connecting bolt comprises a bolt and a nut which are connected with a joint surface part, wherein at least one V-shaped groove is formed in the joint end surface of the nut and the joint surface part; a metal stop elastic sheet is arranged between the nut and the joint surface part; a stop boss is arranged on one side, incontact with the joint surface part, of the metal stop elastic sheet; a groove matched with the stop boss is formed in the joint surface part; a stop sheet is arranged on one side, in contact with the nut, of the metal stop elastic sheet; and after the nut is fastened and is in a proper position, the metal stop elastic sheet can be meshed with the V-shaped groove in the nut under the action of elastic force, so that the anti-loosening and stop effects are achieved. The anti-loosening connecting bolt has the characteristics of reasonable and feasible structure, reliable anti-loosening effect,wide application range, easiness in manufacturing, convenience in mounting, capability of being repeatedly dismounted and used and long service life.

The invention discloses a spiral jack connection piece, and relates to the technical field of connection pieces. The spiral jack connection piece comprises a metal thin wall sleeve and an outer sleeve, wherein the metal thin wall sleeve is arranged in the outer sleeve and is a metal cylinder body which is integrally formed, the metal thin wall sleeve comprises a front end head, a rear end head anda plurality gate strips, the plurality of gate strips are connected to the front end head and the rear end head in an inclination way, the plurality of gate strips are uniformly distributed around acentral axis of the cylinder body, a penetrating strip-shaped hole is reserved between adjacent gate strips, penetrating Z-shaped guide gaps are formed in the front end head and the rear end head, oneend of the guide gap of the front end head and one end of the guide gap of the rear end head communicate with two ends of one of the strip-shaped holes, and the other end of the guide gap of the front end head and the other end of the guide gap of the rear end head extend along an axial direction of the metal thin wall sleeve so as to achieve partitioning of the front end head and the rear end head. The spiral jack connection piece has the beneficial effects that a high surface and a low surface at two ends are prevented during a twisting process, and the product yield is improved.

The invention belongs to the field of small household appliances, in particular to a household use machine for rapidly extracting plant essences (including traditional Chinese medicine, soybean milk,coffee and other drinks) by using high temperature and high pressure water after pulverizing plants. The household use machine includes a supporting frame, an extraction cup, a filter net, a motor, blades, a fixing base, a check valve, an exhaust valve, a water tank, a flow meter, an electromagnetic pump, a boiler and a control system; the extraction cup is inserted into the fixing base, the checkvalve is arranged in a water outlet of the extraction cup, and a filter is installed on the bottom of the extraction cup; the motor is mounted above the fixing base, a motor shaft extends into the extraction cup, and the blades are installed on the top end; a water inlet and an exhaust port are respectively formed in the fixing base, the electromagnetic pump pumps water from the water tank through the flow meter and pumps the water into the boiler, the water after heating enters the extraction cup through the water inlet, and the flow meter measures the quantity of water intake; the exhaust port is connected with the normally open exhaust valve, the gas is discharged to a waste water tank, and the exhaust valve is turned off when the power is turned on. The extraction adopts high temperature and high pressure to improve the extraction efficiency, the plant essences directly flow to the cup to achieve the maximum separation of slags and liquid, and cleaning is convenient.

The invention discloses a method for magnetizing main and subsidiary magnets of external-magnetic dual-magnet loudspeaker. The method comprises the steps of laminating at least one pair of main and subsidiary magnets and then magnetizing. According to the method, the main and subsidiary magnets are magnetized simultaneously, so that a magnetizing process can be completed by only one magnetizer; subsequent assembly can be carried out without transporting after magnetizing, so that time, labor and production resources are saved; the main and subsidiary magnets are magnetized simultaneously on the same magnetizer, so that the main and subsidiary magnets can have stable magnetism, and the occurrence of subsidiary magnet jumping can be avoided during assembly.

The invention discloses an automatic management system and method for classification of recycled paper products. The method comprises the steps that firstly, paper product patterns, forms and states of currently-recycled corrugated paper products are obtained based on an image recognition mode; secondly, when judging that the paper products are cartons according to the form obtaining result, intact parts and cut parts of the paper products are divided according to the state obtaining result, and paper product cut areas are determined according to the division result; thirdly, the repair conditions needed for repairing the cartons to meet the packaging capacity are determined according to the paper product cut areas; fourthly, paperboards with the morphological characteristics meeting the repair conditions of the current cartons are selected from temporary cache areas near an image recognition implementation area, or cartons corresponding to the repair conditions met by the paperboards are selected from a backup storage area; and finally, the selected cartons or paperboards are picked up from the temporary cache areas or the backup storage area and conveyed to a processing preparation area together with the current paper products. By the adoption of the method, the utilization efficiency of renewable resources is improved, and the utilization speed of the renewable resources is increased.

The invention provides a solvent-free synthetic leather production method using rotation teflon. According to the method, the teflon is used as a circulation type continuous conveying belt. The method includes the following steps that (1) the teflon conveying belt is coated with a synthetic leather raw material, so that a processing layer is obtained; (2) a base material is pressed and compounded onto the processing layer so that a composite layer can be obtained, and first-time heating curing is conducted; (3) the composite layer is stripped and coiled through the rotation of the teflon conveying belt, so that a finished synthetic leather product is obtained; (4) dust on the teflon conveying belt is cleaned in an on-line mode, and the first step is executed again or halting is carried out. The invention further provides a solvent-free synthetic leather specially-used production line using rotation teflon. According to the method, production resources are greatly saved, energy consumption is greatly reduced, environmental pollution is avoided, and the environmental protection effect is achieved; the number of operation steps can be reduced, and the production cost is lowered. The production line is simple and compact in structure and small in occupied space, an existing intermittent production mode can be replaced, and accordingly circulation continuous type synthetic leather production can be realized.

The invention belongs to the field of artificial board raw material detection and relates to detection of solid content, in particular to a detection method for solid content of MUF resin. According to the method, firstly, the refractive index serves as an axis X, the solid content serves as an axis Y, and a standard work curve is drawn according to a linear equation with one unknown quantity: y=549.04*740.2; secondly, an Abbe refractometer is used for measuring the refractive index of an MUF resin sample in parallel, the standard work curve is searched for a value X, and a corresponding value Y is read and is the solid content of the MUF resin. According to the method, the solid content of the MUF resin is speculated according to the refractive index measured through the Abbe refractometer, convenience, rapidity, high efficiency and reliability are achieved, detection efficiency is greatly improved, the problem that detection of product solid content performance indicators is lagging in industrial batch production of adhesives is solved, and meanwhile production resources are saved; for MUF resin, the solid content is within a certain range, and there is a good linear relation between the refractive index and the solid content; the solid content of the MUF resin can be predicted by detecting the refractive index of the MUF resin through the obtained tropic equation.

The invention discloses an arc triangle workpiece grooving device capable of detecting grooving of a workpiece. The device specifically comprises a bottom plate, a grooving mechanism, a bearing table, a grooving detection mechanism and a center detection mechanism, wherein an annular sliding rail is mounted in the middle of the top of the bottom plate, sliding blocks are uniformly arranged in the annular sliding rail, workbenches are fixed at the tops of the sliding blocks, and stepping motors are mounted in the middles of the inner bottom ends of the workbenches. According to the arc triangle workpiece grooving device capable of detecting the grooving of the workpiece, the grooving detection mechanism is arranged, tilt angle sensors in main plates can detect the perpendicularity of inner walls of grooves, and angle sensors can detect included angles between the main plates and side plates, so that the included angles between the side walls and the inner walls of the grooves are determined, all-directional detection of the grooves is achieved, the workpiece is detected immediately after machining is completed, a worker can overhaul or adjust the grooving mechanism in time, the situation that a large number of defective products are produced is avoided, and production resources are saved.

The invention discloses a stamping die surface phosphating processing method, and relates to the technical field of mold processing. The stamping die surface phosphating processing method includes thefollowing steps of polishing, heating, phosphating, twice soaking and twice drying processing and pressurizing processing. By means of the stamping die surface phosphating processing method, a uniform and compact phosphating film can be formed on the surface of a stamping die, the surface of the stamping die can be better protected, and the processed stamping die has excellent high-temperature corrosion-resistant performance.

The invention discloses an anchorage device clamping piece production line. The anchorage device clamping piece production line comprises a synchronous processing part, a tapping processing part and an opposite cutting processing part which are connected through a feeding elevating device and a conveyor belt in sequence. The tapping processing part comprises at least one clamping piece tapping device arranged along the conveyor belt. The synchronous processing part comprises at least one synchronous processing device arranged along the conveyor belt. The opposite cutting processing part comprises at least one clamping piece slitting device arranged along the conveyor belt. The anchorage device clamping piece production line has the beneficial effects of conducting multi-procedure processing on clamping pieces at a time, greatly improving the processing efficiency of the clamping pieces, effectively ensuring the processing precision of the clamping pieces and saving manpower and production resources.

The invention provides a reaction system and process for synthesizing dimethyl carbonate through liquid-phase oxidative carbonylation of methanol. The system comprises: a feeding unit used for storingand conveying mixed gas of carbon monoxide and oxygen and a methanol liquid; a reaction kettle internally provided with a micro-interface generator, connected with the feeding unit and used as a place for oxidative carbonylation reaction; a gas-liquid separation unit connected with the reaction kettle and used for carrying out gas-liquid separation on the oxidative carbonylation reaction product;and a rectifying tower connected with the gas-liquid separation unit and used for rectifying the crude product dimethyl carbonate obtained by gas-liquid separation. According to the reaction system and process for synthesizing dimethyl carbonate through liquid-phase oxidative carbonylation of methanol, the problem that in the prior art, the yield of dimethyl carbonate is reduced due to the fact that methanol and mixed gas of carbon monoxide and oxygen cannot be fully mixed in an oxidative carbonylation reaction kettle is solved.

The invention discloses an organic cultivation method of cucumbers. The method includes the steps of building, seedling raising and final planting. Concretely, firstly, a cultivation groove is constructed by using a polystyrene board; secondly, an excellent cucumber variety is used for soilless raising of seedlings in a seedling-raising carrier; and finally a cultivation substrate is packed into the cultivation groove and final planting of cucumbers is finished. The cultivation substrate is a mixture of sawdust, a pine needle layer, traditional Chinese medicine residues, peat, river sand, modified bamboo charcoal, wheat straw powder and a decomposed organic fertilizer. The beneficial effects are that agricultural by-products are taken as raw materials for preparation of the cultivation substrate, so that the environment is protected, full utilization of materials is realized and the economic value is improved. Moreover, the nutrition of the cultivation substrate is comprehensive and rich, so that the cultivation substrate is beneficial for improving the soil structure and preventing hardening and salinization. The organic ecological cultivation method of cucumbers can not only saveproduction resources, but also be green and friendly to environment. The flavor and nutritional value of the product are high. The organic cultivation method is simple to implement, easy to operate,and high in scientific and intensive degree, and is a highly efficient organic cultivation method of cucumbers.