49results about How to "Continuous recycling" patented technology

Xenon and/or krypton are recovered from oxygen-containing gas, typically derived from liquid oxygen bottoms in a cryogenic air separation plant, by selective adsorption on a Li and Ag exchange zeolite, preferably containing 5 to 40% Ag exchange capacity on an equivalents basis, with periodic thermal regeneration of the adsorbent.

The invention relates to a technology and a system for recycling solvent oil from oil gas of butadiene prepared from butane under an oxidative dehydrogenation effect. The technology comprises the following steps: 1) utilizing a fine oil gas filter to filter a catalyst in the oil gas and utilizing an oil gas cooler to cool the oil gas; 2) causing the cooled oil gas to enter into an adsorption/desorption device, adsorbing the solvent oil in the oil gas, and desorbing after fully adsorbing, thereby obtaining desorbed gas of the solvent oil; and 3) separating the solvent oil from the desorbed gas of the solvent oil by utilizing a separating jar, recycling and reusing. The recycling system comprises a preprocessing system, an adsorption/desorption system and a recycling device, wherein the adsorption/desorption system is capable of alternately adsorbing and desorbing or adsorbing, desorbing and drying. The technology has the advantages that the technology is simple; the operation is convenient; the recycling rate of the solvent oil is high; the emission concentration of the oil gas is low; the potential safety hazard is eliminated; the emission load of the oil gas is controlled; the clean production, energy saving and environmental protection are realized; the whole recycling process is continuous; the adsorption efficiency is increased; the solvent oil is recycled from the oil gas; the solvent oil is reused; and the production cost of the butadiene is saved.

The invention discloses a continuous condensing recovery device for liquid oil of oil field gas. The device comprises a gas inlet pipe, main and auxiliary condensing heat exchangers as well as oil discharge pipes, wherein a gas circuit switching valve is arranged on the gas inlet pipe, the gas inlet pipe is communicated with upper ends of oil field gas pipelines arranged in the main and auxiliary condensing heat exchangers, lower ends of the oil field gas pipelines are communicated with the oil discharge pipes, water discharge pipes and gas discharge pipes respectively, heat-exchange liquid pipelines contacted with the oil field gas pipelines are arranged in the main and auxiliary condensing heat exchangers and provided with inlet/outlet pipes, the inlet/outlet pipes are communicated with refrigerant circulating systems and high-temperature condensing agent circulating systems respectively through switching valves, and gas-liquid separators are arranged on the gas discharge pipes. According to the continuous condensing recovery device for the liquid oil of the oil field gas, one of the main and auxiliary condensing heat exchangers performs condensing recovery, the other one performs defrosting, the main and auxiliary condensing heat exchangers are alternately switched for use, and continuous condensing recovery of the liquid oil is realized.

The invention relates to the technical field of cleaning equipment, in particular to bearing cleaning and drying equipment. The bearing cleaning and drying equipment comprises a rotating cylinder, two supporting seats, a material receiving bin, a waste residue storage tank, a cleaning fluid storage tank, a clear water circulating tank, a drying device, a spraying device and a power device. The rotating cylinder is located on the two supporting seats, and the material receiving bin is arranged on the right side of the rotating cylinder. The waste residue storage tank, the cleaning fluid storage tank and the clear water circulating tank are sequentially distributed below the rotating cylinder, and the drying device used for drying is located in the right side of the rotating cylinder. The water spraying device penetrates through the interior of the rotating cylinder. The power device comprises a large friction wheel, a small friction wheel, a speed reducer, a coupler and a motor, wherein the large friction wheel is fixed to the rotating cylinder, and the power device is used for driving the rotating cylinder to rotate. The bearing cleaning and drying equipment can carry out sundry removing, cleaning and drying on bearings, the problem of an equipment fault caused by waste scrap iron mingled in the cleaning fluid can be solved, continuous work can be achieved, a large amount of labor force can be saved, and the production cost can be reduced.

The invention discloses a pollution-free domestic sewage treating process. The process comprises the following steps of: 1, performing solid and liquid crude separation on sewage in a solid and liquid separator; 2, adding a flocculating agent and magnetic seeds into the sewage subjected to solid and liquid separation, putting into a stirrer, and uniformly stirring; 3, adding a coagulant aid into the stirred sewage; 4, importing the sewage into a biological membrane nitration reaction fluidized bed for biological treatment; 5, introducing ozone for disinfection; and 6, adding into a fiber membrane filter, and finely filtering. By the process, a plurality of processes are used for treating the sewage, so that the sewage can be effectively treated, and the cost can be saved; and in addition, magnetic seed type sewage technologies are organically combined, so that the magnetic seeds can be effectively, quickly and continuously recovered, and the recovered magnetic seeds can be put into a sewage treating system again for recycling.

The invention relates to a mulching film recycling device, and belongs to the technical field of agricultural machinery. The mulching film recycling device is composed of a rack, a residual film conveying tooth rake, and a film collecting box; a film raking roller and the film collecting box are arranged on the rack; an auxiliary film collecting roller is arranged on the rack at the front end of the film raking roller; and the residual film conveying tooth rake is arranged on the rack above the auxiliary film collecting roller. The mulching film recycling device can recycle mulching films into the film collecting box. In the mulching film recycling process, the films are raked through elastic teeth of the film raking roller, the flaky mulching films are picked up one by one, and therefore the mulching films are recycled and are not prone to being missed, and the recycling rate can be effectively increased. In the rotating process, the elastic teeth clean an elastic tooth shaft and a main shaft, so that the mulching films are not prone to being attached to and wound around the elastic teeth, then the mulching films can be continuously recycled, the problems that an existing plastic film residue recycling machine is prone to winding and hanging the mulching films, cannot work continuously and is low in recycling rate are solved, and the device is particularly suitable for recycling the mulching films.

The present invention is to develop a wet masking coating solution which is used to protect a shoe sole from contaminants and dust generated during a post-processing treatment of the shoe sole, such as laser etching or hot knife. The present invention proposes a water-washable masking coating solution for post-processing a shoe sole which can be perfectly removed just when the masking coating solution dried after post-processing treatment of the shoe sole is washed with water, thereby making consecutive work and mass production possible. Moreover, the present invention proposes a method for using the water-washable masking coating solution.

The invention relates to the technical field of double-sided adhesive die-cutting, and discloses a double-sided adhesive die-cutting manufacturing process. The double-sided adhesive die-cutting manufacturing process comprises the following steps that (1), a double-sided adhesive tape pasted a bottom tape on the lower surface is discharged; (2), a first adhesive tape is pasted on the upper surfaceof the double-sided adhesive tape, then a second tape is pasted on the lower surface of the double-sided adhesive tape, so that the double-sided adhesive tape comprising the first adhesive tape, the double-sided adhesive tape, the bottom tape and the second adhesive tape from top to bottom in sequence is formed; (3) the double-sided adhesive tape is subjected to die-cutting, the die-cutting thickness is the sum of the thickness of the first adhesive tape, the double-sided adhesive tape and the bottom tape, and the second adhesive tape is not cut; (4) leftovers after die-cutting are recycled, and then the third adhesive tape is pasted on the upper surface of the double-sided adhesive tape; (5) the third adhesive tape and the first adhesive tape are recycled, the bottom tape is pasted on theupper surface of the double-sided adhesive tape, and then the second adhesive tape is recycled; and (6) the double-sided adhesive tape is cut to obtain a single double-sided adhesive tape product. According to the double-sided adhesive die-cutting manufacturing process, the problems of double-sided adhesive accumulation and low working efficiency existing in the existing double-sided adhesive die-cutting manufacturing process are solved.

The present invention provides an apparatus for recycling noble metals, which comprises one or more conveyers, one or more carriers, an immersion device, one or more dissolution devices, and one or more rinse devices. The carriers, the immersion device, the dissolution devices, and the rinse devices are arranged in U-shape. Thereby, adding an object containing noble metals or pouring the object containing noble metals can be performed on the same side of the apparatus for recycling noble metals. Hence, a user needs not to operate on both sides of the apparatus for recycling noble metals, enhancing ease of operation. The carriers carry objects containing noble metals. The conveyer is used for conveying the carriers to the immersion device, the dissolution devices, and the rinse devices sequentially for recycling noble metals from the objects containing noble metals. The apparatus according to the present invention can recycle noble metals continuously. Thereby, the speed of recycling is enhanced, and the amount of recycled noble metals is increased as well.

The invention relates to the technical field of cleaning equipment, in particular to a drying device for bearings, including a drum, two support seats, a material receiving box, a waste residue storage box, a cleaning liquid storage box, a clean water circulation box, a drying device, The spraying device and the power device, the drum is located on two support seats, and the right side of the drum is provided with a receiving box; Below, the drying device for drying is located inside the right side of the drum; the water spray device passes through the inside of the drum; the power device includes a large friction wheel, a small friction wheel, a reducer, a coupling And the motor, the large friction wheel is fixed on the drum, and the power unit is used to drive the drum to rotate. The invention can remove impurities, clean and dry the bearing, can solve the problem of equipment failure caused by scrap iron chips mixed in the cleaning liquid, can work continuously, can save a lot of labor and reduce production costs.

The invention relates to a tobacco shred immersion method and a device; the method comprises: (1) the tobacco shred is arranged in a pre-heating immersion device and then vacuumizing is carried out; (2) swelling agent with liquid state is sprayed on the tobacco shred; (3) swelling agent with gas state is filled in the immersion device; (4) immersion is carried out. The immersion device provided by the invention comprises a tank body, an upper tank cover, a lower tank cover and a hydraulic pressure opening device, a spraying device is arranged in the upper tank cover, wherein the tank body is provided with two layers of sleeves, a screen cloth is formed on the inner wall of the inner layer sleeve, and the pore diameter of the screen cloth is 1.5mm. The invention has simple structure and convenient operation, can achieve good immersion effect to the tobacco shred and can realize continuous immersion of the tobacco shred.

A continuous resin regeneration system includes a process by which resin in need of being recharged is continuously recharged and cleaned with a plurality of two-set filtration columns so that resin regeneration and the flow of influent is continuous and interrupted. Downstream filtration columns also undergo this cycling but at slower and related rates as the first column with the dirtiest water will naturally degrade resin faster than the downstream columns. Contaminated influent is cleaned by the continuously recharged resin in multiple column sets. The degree of cleaning of earlier filtration columns affects the resin flow rate of later filtration columns.

The invention discloses a device for recovering a seedling covering bowl. The device comprises a covering bowl storage cylinder, a covering bowl grabbing mechanism and a lifting driving mechanism; thecovering bowl can be stored in the covering bowl storage cylinder, the covering bowl grasping mechanism is slidably mounted on the covering bowl storage cylinder and used for grasping the covering bowl into the covering bowl containing cavity, and the lifting driving mechanism is mounted on the covering bowl storage cylinder and used for driving the covering bowl grabbing mechanism to ascend anddescend. The provided device for recovering the seedling covering bowl is adopted and is novel in structure, ingenious in design, easy to obtain, high in automation degree and capable of quickly, continuously and efficiently recovering the covering bowl, so that the labor intensity of farmers in the process of recovering the covering bowl is greatly reduced.

The invention relates to a directional eccentric elastic tooth film raking roller for a mulching film recycling machine, and belongs to the technical field of agricultural machinery. The film raking roller is composed of an assembling frame, a main shaft, an elastic tooth shaft and elastic teeth; a driving disc is installed on the assembling frame through the main shaft; the elastic teeth are installed on the circumference of the driving disc through the elastic tooth shaft; follow-up discs are respectively arranged at two ends of the main shaft on the outer side of the driving disc through eccentric discs; and the follow-up discs are connected with the elastic tooth shaft through crank throws 7. According to the directional eccentric elastic tooth film raking roller for the mulching film recycling machine, in the mulching film recycling process, film raking is conducted through the elastic teeth of the directional eccentric elastic tooth film raking roller, flaky mulching films are picked up one by one, and therefore the mulching films are recycled, the mulching films are not prone to being missed, and the recycling rate can be effectively increased; and in the rotating process of the elastic teeth, the elastic teeth clean the elastic tooth shaft and the main shaft, and the mulching films are not prone to being attached to or wound around the elastic teeth through an auxiliary film removing roller, so that continuous recycling can be achieved, the problems that an existing plastic film residue recycling machine is prone to winding and hanging mulching films, cannot work continuously and is low in recycling rate are solved, and the film raking roller is particularly suitable for recycling the mulching films.

The invention discloses a sealing film laminating method. The sealing film laminating method comprises the following steps that S1, a mounting vertical plate is provided, an unwinding roll and a winding roll are rotationally connected to the mounting vertical plate, a sealing film is wound on the unwinding roll, and the used sealing film is wound by the winding roll; S2, a downward pressing type sealing mechanism is provided, and the downward pressing type sealing mechanism is arranged between the unwinding roll and the winding roll; S3, the downward pressing type sealing mechanism is arranged over the stepping path of the sealing film, and a sealing pressing head in the downward pressing type sealing mechanism is made to be opposite to the sealing film below the sealing pressing head; and S4, the downward pressing type sealing mechanism drives the sealing pressing head in the downward pressing type sealing mechanism to ascend and descend in a reciprocating mode in the vertical direction so that the sealing film below the sealing pressing head can be pushed to an opening of a workpiece to be sealed. According to the sealing film laminating method, the sealing film can be continuously released and the downward pressing sealing operation can be carried out on the sealing film transmission path, and the used sealing film can be continuously and automatically recovered.