1514results about How to "Won't waste" patented technology

The invention relates to a composite covered yarn and a manufacturing method thereof and also relates to a high-temperature filter cloth. The composite covered yarn comprises an outer layer of coveredyarn made of short fiber and an inner layer of reinforcing rib made of long fiber, wherein the composite covered yarn is formed by using the covered yarn, made of one or a plurality of types of shortfibers, to cover the reinforcing rib or the metal wire reinforcing rib made of one or a plurality of types of long fibers by thermal cleaning, dipping, drying and sintering. The composite covered yarn manufactured by the method not only saves cost, but also combines the characteristics of high strength of the long fiber and good abrasion resistance and toughness of the short fiber and enhances service life, strength, high-temperature resistance and stability of the composite covered yarn. The composite covered yarn can be made into the filter cloth.

The invention discloses a following auxiliary control system based on inter-vehicle cooperation. The system is mainly composed of an inter-vehicle wireless local area network communication core system and a following auxiliary control core system. As for the inter-vehicle wireless local area network communication core system, motion state information of each vehicle is sent to the periphery in a packed mode mainly by means of wireless local area networks installed on various vehicles, and therefore surrounding vehicles can receive the motion state information of each vehicle. The following auxiliary control core system is composed of two control modules, one control module is used for searching vehicles needing to be followed for a rear vehicle, and the other control module is a following control module. By means of cooperative control of the two control modules, the system can complete searching of a target object needing to be followed and complete acceleration and deceleration actions needing to be adopted for auxiliary following actions, the purpose of safe following is achieved, and rear-end collision accidents are prevented.

This invention relates to index system and method, which comprises terminal, servo, word input module, image analysis engineer, word order analysis module, index engineer and wireless communication linkage, wherein, inputting captured pictures and words through wireless communication linkage to servo for analyzing word order; using key word to index images based on words and analyzing input image content to get characteristic vector; processing index based on image content combined with characteristic vector and description key words to generate user index result.

The invention discloses an automatic spraying machine which comprises a machine frame, an operation panel used for inputting and displaying work signals, and a control cabinet, wherein a Y-axis guide rail is arranged on the machine frame; a Y-axis guide frame capable of sliding on the Y-axis guide rail forwards and backwards is arranged on the Y-axis guide rail; an X-axis guide rail is arranged on the Y-axis guide frame; an X-axis guide frame capable of moving on the X-axis guide rail horizontally is arranged on the X-axis guide rail; a Z-axis guide rail is arranged on the X-axis guide frame; a Z-axis guide frame capable of moving on the Z-axis guide rail up and down is arranged on the Z-axis guide rail; an oil can for containing a coating material is arranged on one side of the Z-axis guide frame; a nozzle for spraying is also arranged below the Z-axis guide frame and is communicated with the oil can; an air pipe used for spraying the coating material is also connected with the nozzle; a Y-axis driving device capable of driving the Y-axis guide frame to move forwards and backwards is also arranged on the machine frame; an X-axis driving device capable of driving the X-axis guide frame to move horizontally is also arranged on the Y-axis guide frame; and a Z-axis driving device capable of driving the Z-axis guide frame to move up and down is arranged on the Z-axis guide rail.

The invention relates to a mortar spraying and smearing machine and a method for painting mortar on a wall surface by using the mortar spraying and smearing machine. The mortar spraying and smearing machine comprises a mortar supply mechanism and a spraying and leveling mechanism, wherein a fixed lower door frame is arranged on a base, sliding upper door frames are respectively connected in the fixed lower door frame in an inserted way, in addition, the top of the fixed lower door frame is connected with a main cross beam, a door frame lifting hoist can tract the sliding upper door frames to ascend, a work table capable of sliding along the fixed lower door frame and the sliding upper door frames is arranged on the fixed lower door frame, a work table lifting hoist can track the work table to ascend, a spray nozzle capable of being used for spraying and coating the mortar and a scraper capable of leveling the mortar are arranged on the work table, and the spray nozzle can leftwards and rightwards move on the work table. During the mortar painting, th spray nozzle moves leftwards and rightwards and simultaneously ascends along with the work table for realizing the reciprocating mortar spraying from the bottom to the top, after the spray nozzle reaches the top, the work table vertically descends, and leveling and calendaring are performed on the surface of the mortar by the scraper. The machine and the method provided by the invention can adapt to the floor height, and can realize automatic mortar spraying and leveling, in addition, operators can always feed materials at the lowest position, and the work intensity is greatly reduced.

The present disclosure discloses a method, an apparatus, and a system for controlling a delivery task in a social networking platform. The method includes: obtaining a user group to which a delivery task is to be released in a targeted manner, the user group including one or more users, and the user group to which the delivery task is to be released in a targeted manner being determined according to targeting information and / or a user characteristic weight value, which are recorded in a task database, of the delivery task; obtaining task data of the delivery task; adding the delivery task and the task data of the delivery task to a delivery task list for each user included in the user group; and accessing the delivery task list after any user in the user group logs in to a social networking platform, and pushing the task data of the delivery task to the user. By using the present disclosure, accurate targeted pushing of a delivery task can be ensured, thereby preventing a waste of resources of the delivery task.

The invention relates to a water purification device for a reverse osmosis directly drinkable water dispenser. The device comprises a water tank divided into a raw water chamber and a waste water chamber, a primary filtering device, a reverse osmosis treatment device and a clean water tank, and is characterized in that the primary filtering device and the reverse osmosis treatment device are arranged in a shell. The shell has two water openings. The bottom of the shell has a general water outlet which is connected with the clean water tank. The water tank is arranged above the shell detachably. Elastic internal pressure self-sealing valves are arranged at a raw water outlet and a waste water recovery opening of the water tank. In the water purification device, the water tank does not need to be connected with a water pipe and to be arranged in a place wherein water pipes are arranged, so the directly drinkable water dispenser using the water purification device suffers no limit on installation place and can be arranged at any place. The water purification device is convenient in use, particularly suitable for domestic application. And a waste water outlet is not required to be arranged on the water tank, and a special concentrated water discharge pipeline is not required, so the water purification device is simpler in structure, more reasonable in arrangement and the same with the prior drinkable water dispenser in terms of use occasion and mode.

The invention provides an overhanging support frame formwork system and a construction method thereof. The overhanging support frame formwork system is used for pouring of overhanging members on an outer wall of a building. The overhanging support frame formwork system comprises a plurality of overhanging beams, pulling pieces and a whole-hall scaffold. The overhanging beams are fixed to a floor on the lower layer of a floor layer where the outer wall of the building is located through connecting pieces, the multiple overhanging beams are arranged side by side, and the space between the adjacent overhanging beams is smaller than or equal to a preset value. The pulling pieces are fixedly connected with structural beam built-in fittings of the floor layer where the overhanging members are located and overhanging sections respectively. The whole-hall scaffold is arranged on the overhanging sections of the overhanging beams to support a formwork for the overhanging members so that concrete pouring of the overhanging member can be achieved. According to the overhanging support frame formwork system, the space between the adjacent overhanging beams is not larger than the preset value, it is guaranteed that the overhanging beams cannot be broken off by loads, and therefore it is guaranteed that cost cannot be increased due to the large number of the overhanging beams, it is also guaranteed that the overhanging beams cannot be broken off by loads, and safety of building construction is improved.

The invention discloses a method and a system of multi-channel data output, wherein the multi-channel data output method includes the following steps: S802, demultiplex downgoing time-division multiplexing data from a synchronous digital hierarchy network and obtain data frame content corresponding with all channels; S804, store the data frame content corresponding with all channels in corresponding storage space of each channel and generate dispatching request orders when each frame in corresponding channel data frame content is stored n corresponding storage space each time; and S806, respond to the dispatching request order and output the data frame content stored in the storage space corresponding with the channel. The invention can guarantee the channel with large flow rate allocated with enough output bandwidth, and waste no bandwidth on the channel without business.

The present invention provides a preparation and use method of a saline-alkali soil biological improver, corn stalks and cotton stalks are crushed; a peat fertilizer, animal manure, bean dregs, lees, and vinegar residue are mixed in the volume ratio of 1:1:1:1:1 to obtain an organic fertilizer; the crushed corn stalks and cotton stalks prepared in the step 1, the organic fertilizer obtained by the step 2 and a compound fertilizer are uniformly mixed according to the weight ratio of 65-78% : 20-30% : 2-10 %; the mixture obtained in the step 3 is added with water and sealed for fermentation composting, and disinfection sterilization treatment is performed in the composting process; and when the mixture volume is reduced by 1 / 2, the composting is complete. The raw materials are organic manure and acidic organic waste, the saline-alkali soil biological improver can improve soil fertility, improve soil structure, reduce ground surface moisture evaporation, suppress returning salt when the saline-alkali soil biological improver is applied to a saline-alkali land, and the saline-alkali soil biological improver is conducive to the survival of microorganisms, and beneficial to living of ground cover plants, and improves the saline-alkali land ecological environment.

The invention discloses an injection mould with rapidly-replaced mould cores. The injection mould is composed of a movable mould and a stationary mould, wherein a main body of the movable mould is composed of a movable mould base and a movable mould core movably arranged on the movable mould base; a main body of the stationary mould is composed of a stationary mould base and a stationary mould core movably arranged on the stationary mould base; the butt joint faces of the movable mould base and the stationary mould base are respectively provided with a mould core mounting sliding chute which horizontally extends from front to back; at least the front ends of the mould core mounting sliding chutes are provided with plug-in mounting holes for mounting or dismounting the mould cores; the mould cores are provided with tracks matched with the mould core mounting sliding chutes so as to move along the mould core mounting sliding chutes; and the mould cores are inserted to or dismounted from the mould core mounting sliding chutes on the mould bases through the plug-in mounting holes, thus the mould cores are replaced. According to the invention, only one set of mould base needs to be manufactured to be matched with the mould cores of different cavities which are manufactured according to spline standards tested based on different performance indexes; the mould replacing operation is easier and more convenient than that of the prior art, so that the mould replacing time is greatly shortened; and the manufacturing cost of various test spline moulds can also be greatly reduced.

The invention discloses a file scanning method and device based on an android system. The method comprises the following steps of: when mobile storage equipment is mounted on the android system for the first time, completely scanning the mobile storage equipment, establishing an external database corresponding to the UID (user identifier) number of the mobile storage equipment, and storing the external database in the mobile storage equipment; and when the mobile storage equipment is mounted next time, directly searching for the corresponding external database on the mobile storage equipment and scanning and reading the corresponding external database. The high-efficiency quick scanning method provided by the invention has the advantages of avoiding repeated scanning and preventing lots of resources from being wasted on repeated scanning, and avoiding database failure caused by frequent operations on the database.

The invention relates to a method used for recycling waste concrete and a device thereof. By adopting the method, the waste concrete is washed with water and separated by using a vibrating screen; the cementitious material is separated in seriflux state from sand stone mixture and then is precipitated and processed with negative pressure water absorption, thereby the water content of the cementitious material is controlled within any level of scheduled 30 to 50 percent; according to the selection of the concrete intensity grades, exceeding amount of different doped contents are used for replacing parts of the cement to produce the concrete, and the water contained in the seriflux of the cementitious material is deducted. The concrete of C25 grade and the grade below C25 replaces the cement in exceeding amount according to 10 to 20 percent of the cement quality, and the exceeding coefficient is 2.5 to 3.0; the concrete of C30 grade and the grade above C30 replaces cement in exceeding amount according to 5 to 10 percent of cement quality and the exceeding coefficient is 2.5 to 3.0; proper amount of retarder can be added into the seriflux of the cementitious material which can not be utilized within two hours to ensure the activity of the srifulux of the cementitious material; the separated water can be used for producing concrete or recycled for car-washing circularly; the separated sand and stone can be used as the raw material for producing concrete; the invention is ingeniously conceived, which realizes the purpose of thoroughly recycling the waste concrete with low investment and low cost, has tremendous economic benefit and plays an important role in environmental protection.

The invention relates to a method for treating phthalate wastewater by means of catalyzing persulfate by utilization of supported activated carbon in a microwave inducement manner, belonging to the technical field of phthalate wastewater treatment. The method comprises the following steps of adding a sodium persulfate solution with a concentration of 0.3 to 0.4 mM into phthalate wastewater with a concentration of 1500 to 3500 (mu)g / L according to a volume ratio of 0.5 to 1 percent, adjusting a pH value of the solution to be 6.0 to 9.0, then adding an activated carbon supported metal catalyst according to a proportion of 1 to 2 permillage, uniformly stirring, putting in a frequency conversion microwave reactor, setting a temperature of 70 to 80 DEG C, continuously reacting for 25 to 30 minutes, and taking a mixed solution to measure a phthalate concentration, wherein the phthalate removal rate reaches above 90 percent. The method disclosed by the invention has the advantages that microwave, supported activated carbon and persulfate act synergistically; the thermal effect and non-thermal effect of the microwave, the strong oxidation effect of the persulfate as well as the adsorptive catalysis and heat sensitization effects of the supported activated carbon are sufficiently exerted; the effects of simplicity and high efficiency in technological operation, easiness in implementation, freeness from secondary pollution, high oxidation efficiency and good removal effect are achieved.

The invention discloses a jig for a pipeline laser cutting machine. The jig for the pipeline laser cutting machine comprises a cutting clamping unit, a guide mechanism and a feed clamping mechanism, wherein the cutting clamping unit is provided with a disc, the end surface of one side of the disc is provided with multiple clamping claws for clamping the pipeline tightly, the guide mechanism is an annular body which is axially arranged with the disc and used for guiding the pipeline entering into the disc, and the feed clamping mechanism is arranged behind the guide mechanism and used for tightly clamping the tail end of the long pipeline to be cut and conducting cutting and feeding. The feed clamping mechanism is a hollow cylinder body, the diameter of the periphery of the cylinder body is smaller than the inner diameter of the center through hole of the disc, thus the feed clamping mechanism can directly enter the center through hole of the disc, enables the clamping claws of the cutting clamping unit to clamp the tail end pipe wall of the pipeline and completes the final cutting of the pipeline. The jig for the pipeline laser cutting machine can realize accurate and efficient cutting of the pipeline, especially can greatly reduce the material waste caused by two much remaining lengths of the pipeline in the conventional cutting machinery.

The invention discloses a three-dimensional plate material warehouse and relates to the field of plate storage equipment. The three-dimensional plate material warehouse comprises a plate storage rack, wherein the plate storage rack is provided with a skip car guide rail I; a moving skip car is placed on a lifting seat; the lifting seat is provided with a skip car guide rail II; a traction mechanism is arranged on the lifting seat; a gantry guide rack is arranged in front of the plate storage rack; guide seats are arranged on two sides of the lifting seat; idler wheel pairs are arranged on the guide seats; a stand column is positioned between two idler wheels of the corresponding idler wheel pair; a supporting base is arranged below the lifting seat; an air cylinder I and an air cylinder II are hinged to two sides of the supporting base; a supporting beam I, a supporting beam II, a supporting beam III and a supporting beam IV are rotatably connected onto the base; a plurality of parallel support rods are arranged on the supporting beams at intervals; and a penetrating groove allowing the supporting rods to penetrate through is formed in the moving skip car. The three-dimensional plate material warehouse can store the plates in the lower space of the plate storage rack; and the lifting seat is stressed in a more balanced manner when the lifting seat goes up and down to prolong the service life of the lifting seat.

The invention relates to a simple dispenser which comprises a gas source, a gas source controller, a material placing cylinder and a dispensing valve, wherein the gas source controller comprises a gas inlet and a gas outlet, the gas inlet is connected with the gas source through a gas pipe, and the gas outlet is respectively connected with the dispensing valve and the material placing cylinder; and the dispensing valve comprises a gas cylinder, a piston and a piston connecting rod, the dispensing valve is connected with a glue outlet of the material placing cylinder through a glue pipe, a glue cylinder containing the constant amount of a glue agent is sheathed in the material placing cylinder, and a sealing cover at the top part of the glue cylinder can move downward along the inner wall of the glue cylinder under the action of gas pressure of a cavity at the top part of the material placing cylinder. The simple dispenser adopts the glue cylinder with the constant dosage and can avoid the cumbersome operation of repeatedly sub-packaging the glue agent into a dispensing bottle and the problems of waste of the glue agent, environmental pollution, bubbles, deterioration and other problems during the sub-packaging process, be energy-saving and environment-friendly, and simultaneously avoid the problem of rupture of the glue cylinder caused by deviation of the piston of the gas cylinder when adopting an external gas cylinder; and movable and fixed seats are arranged at the bottom part of the material placing cylinder, the structure is simple, the dispensing valve is light and simple, the opening and the closing of the dispensing valve are controlled through a pedal valve, and the operation is convenient.

Method and arrangement in a base station for scheduling physical resources in a transmission bandwidth to a user equipment served by the base station. The physical resources may be physical channels or radio resource blocks. Some physical resources within the transmission bandwidth are subjected to a performance requirement power restriction value. The method comprises scheduling physical resources based on the performance requirement power restriction value of the physical resources to be scheduled. Also, a method and arrangement in a user equipment for assisting a base station in scheduling physical resources in a transmission bandwidth to the user equipment is described.

The invention discloses a repeater for automatically adjusting a position, a repeater system and a relay method. A repeater body is fixed on an automatic mobile apparatus, the repeater body is utilized for providing network signals for a user, receiving first network signal intensity and second network signal intensity fed back by the user at the same time, and sending the first network signal intensity and the second network signal intensity to the automatic mobile apparatus; and the automatic mobile apparatus, according to the first network signal intensity and the second network signal intensity, moves to an optimal relay position, i.e., the repeater body moves to the optimal relay position along with the automatic mobile apparatus, at the moment, the intensity of the network signals which are received by the user and provided by the repeater body is the maximum, and the network signal intensity is smaller than the second network signal intensity. According to the invention, the repeater can move according to the position of the user, high-intensity network signals are provided for users located at any positions, arrangement of multiple repeaters can be avoided, and the application cost of wifi is decreased.

The invention discloses an autonomous obstacle avoidance method for an unmanned boat integrating radar and photoelectric information; the method mainly comprises the following steps of performing obstacle target primary judgment, obstacle target maximum length value calculation, obstacle target secondary judgment, obstacle avoidance model determination, speed and course change quantity optimal solution acquisition, obstacle avoidance ending point determination and the like. According to the method, the radar and the photoelectric equipment are combined to accurately obtain the motion information and the outline information of the obstacle target, and the obstacle avoidance model capable of quantizing the speed and course change quantity of the unmanned boat is given, and then the optimal solution meeting a plurality of conditions including a maritime obstacle avoidance rule is obtained through a particle swarm algorithm; finally, the obstacle avoidance ending time point is determined,and a route is re-planned to move forward to the previous target. According to the method, the obstacle avoidance can be rapidly and safely realized, the running path cannot be wasted, and the intelligent degree of the unmanned boat is improved, and the method can be widely applied to the field of intelligent navigation of military or civilian unmanned boats at the later stage, so that the navigation safety of the unmanned intelligent aircraft in a complex water area is improved.

A water heater comprises a water inlet pipe, a water flow switch, a heater, a water outlet pipe and a time delay module. The heater is used for heating water. The water flow switch is used for starting the heater when water flow speed reaches preset threshold value, and closing the heater when the water flow speed value is lower than the preset threshold value. The time delay module is used for starting counting when the water flow switch conducts closing motion, and conducting zero clearing when the water flow switch conducts opening motion. The water flow switch is used for staring the heater when the water flow speed reaches the preset threshold value and time counted by the time delay module reaches preset time after closing. Thus, the time interval from closing of the heater to next starting of the heater is limited. A user closes a faucet and then instantly opens the faucet in hot water releasing processes. Consequently, the time difference does not reach the preset time, thus, the water flow switch can not start the heater, but releases hot water remained in a pipeline, and therefore hot water can not be wasted, and energy resources are saved.

The invention provides a configuration method of a networking device, and a gateway. The method includes: terminal information is obtained when it is detected that a terminal is connected to a network through the networking device, wherein the terminal information comprises a service identifier of the terminal; according to the service identifier, network configuration parameter information corresponding to the service identifier is determined; and the network configuration parameter information is sent to the networking device so that the networking device configures wireless network parameters of the networking device according to the network configuration parameter information. Therefore, when multiple networking devices are deployed at the gateway of a household network, the network automatically distributes network configuration parameters to the networking devices according to the service types of the terminals of the networking devices, and network parameter configuration of the networking devices, including dynamic adjustment of the emission power and selection of a proper communication channel etc., can be reasonably performed; the terminals reasonably utilize network resources, the network resources are not wasted, the configuration states of the networking devices are optimal, and the service experience for users is enhanced.

The invention discloses an environmentally-friendly treatment method and an environmentally-friendly treatment device for organic sewage. The treatment method comprises the following steps of: electrode electro-catalysis oxidation: separating out OH ions from the sewage by an electrolysis method, wherein the OH ions oxidize and degrade organic oxides in the sewage into volatile CO2 and N2; precipitation: treating the sewage treated in the step 20 by a flocculation reaction method to flocculate the harmful substances in the sewage into floccus and further settle the floccus; and adsorption: adsorbing the sediment in the step 30 through fly ash, and drying the sediment to form an organic fertilizer.

The invention relates to a pneumatic continuous needle-free syringe adopting control of a pneumatically-controlled slide column valve. The pneumatic continuous needle-free syringe comprises a main body part, a pilot valve and the pneumatically-controlled slide column valve, wherein the pneumatically-controlled slide column valve is arranged in a control valve casing (29) of the main body part, the pilot valve is triggered to control compressed air to drive the pneumatically-controlled slide column valve, and an air cylinder is driven by the pneumatically-controlled slide column valve to drive a plunger pump to pressurize a medicine liquor. When the pilot valve is triggered by a trigger, the quick shooting is realized; when the pilot valve is triggered by a handle, the quick shooting and automatic shooting are realized. The pneumatic continuous needle-free syringe has the characteristics that the shooting is quick, the flow jetting parameter is stable, the continuous transfusion repetitiveness is good, and the safety and reliability in use are realized; the medicine liquor can be accurately, quantitatively and quickly transfused into bodies of people and animals in a high pressure liquid column jetting way; when the people and the animals are transfused, the transfusion is completed through automatic shooting when a microporous jetting spray head is in effective contact with the people and animals and is in certain pressing state.

A technology for machining the belt wheel rim includes such steps as providing spinning die, spinning wheel and shaping roller, blanking to obtain raw ring, installing the spinning die to spinning machine, sleeving the raw ring on said spinning die, installing spinning wheel to spinning roller frame of spinning machine, starting the spinning machine to form a U-shaped belt slot, and spinning it by the shaping roller to form a trapezoidal belt slot.

The invention discloses an energy management and intelligent control-based solar cooling tower, which comprises a solar battery, a first motor, a water pump, a second motor and speed reducer, a fan, a hybrid converter connected with the output end of the solar battery, an intelligent controller, and a sensor group; the output end of the hybrid converter is connected with the input ends of the first motor and the second motor and speed reducer; the signal output end of the sensor group is connected with the signal input end of the intelligent controller; the output end of the intelligent controller is connected with the signal input end of the hybrid converter; and the signal output end of the hybrid converter is connected with the signal input end of the intelligent controller. In the control process, the intelligent controller reasonably distributes the flowing direction of the electric energy through the hybrid converter by an energy management method, and performs intelligent speedregulating control on the first motor and the second motor and speed reducer by a water inlet temperature negative feedback method and a minimum enthalpy difference control method, and an energy-saving effect is achieved on the premise of ensuring operating reliability.

The invention relates to a quantitative charging device, in particular to an industrial raw material quantitative charging device. The technical effect that the industrial raw material quantitative charging device which is small in industrial raw material charging amount deviation is provided is achieved. In order to achieve the technical effect, the provided industrial raw material quantitative charging device comprises a support, a processing box, a first pulley, a stay cord, a second pulley, a contact wheel, a fixing block, a second spring, a lifting rod, a knocking block, a wedge block, a first spring and the like. The first pulley, the second pulley and a feed hopper are sequentially arranged at the top of the processing box from left to right. A first small hole, a second small hole and a third small hole are sequentially formed in the left wall of the feed hopper from top to bottom. The purposes of the precise industrial raw material charging amount and no waste of industrial raw materials are achieved, and meanwhile, the problems that manual industrial raw material charging is not precise and the industrial raw materials are harmful to human body surface skins are solved.

The invention discloses a screw cleaning agent and a preparation process thereof. The screw cleaning agent comprises the following basic components in a raw material formula: 50-70 percent of matrix resin, 15-25 percent of modified powder and 15-25 percent of assistant, wherein the matrix resin is one or a mixture of several of phenolic resin, polystyrene and polycarbonate; the modified powder comprises the following basic components in a raw material formula: 70-90 percent of inorganic powder, 4-12 percent of dispersing agent and 6-18 percent of coupling agent; the inorganic powder is one or a mixture of several of titanium dioxide, carborundum and boron nitride; and the dispersing agent is one or a mixture of several of sodium dodecyl sulfate, methyl anyl alcohol and polyacrylamide. The screw cleaning agent disclosed by the invention has the advantages that the screw cleaning agent can be used for quickly dissolving stains and is high in cleaning speed and low in cost. The invention further provides the screw cleaning agent with a simple preparation process and environment friendliness and the preparation process of the screw cleaning agent.

The invention relates to a full-automatic covered edge sewing machine which comprises a rack, a worktable and a machine head. The worktable is installed above the rack, the machine head is provided with a sewing needle for sewing a material with the edge to be covered, an X-axis mechanism, a Y-axis mechanism, a W-axis mechanism, a compression plate mounting seat, a compression plate, a binding tape feeding mechanism, a binding tape cutting mechanism and a unloading mechanism are installed above the worktable, the worktable is provided with a feeding station, a material sewing station and a material unloading station according to the working procedures, the X-axis mechanism, the Y-axis mechanism and the W-axis mechanism drives the compression plate to compress the material and move the material from the feeding station to the material sewing station, the binding tape feeding mechanism synchronously delivers binding tapes to the material sewing station, the binding tapes are sewn on the side of the material by using the sewing needle to achieve edge covering, the binding tape cutting mechanism cuts off too long binding tapes, the material with the edge covered is fed into the unloading station and is pushed and moved out of the worktable by the unloading mechanism.