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55results about How to "Meet the requirements for reuse" patented technology

Regeneration method for heavy oil hydro-treating catalyst

The invention discloses a regeneration method for a heavy oil hydro-treating catalyst. The regeneration method comprises the following steps of: performing dry distillation, washing with an acidic solution, and performing roasting coke removal treatment, wherein the dry distillation temperature is 300 to 550 DEG C, the acidic solution is a hydrochloric acid-containing solution, the weight ratio of the washing acid to the catalyst is 5 to 50L / Kg, and the acid concentration is 0.1 to 0.5mol / L. Compared with the prior art, the regeneration method has the advantage of well recovering the service performance of an inactivated catalyst.
Owner:CHINA PETROLEUM & CHEM CORP +1

Prefab house made of autoclaved aerated concrete slabs and assembly method for prefab house

The invention discloses a prefab house made of autoclaved aerated concrete slabs, which comprises a steel frame, an external wall panel, an internal wall panel, a roof panel and a floor slab, wherein the external wall panel is connected with the steel frame through hook bolts, the internal wall panel is fixed with the steel frame through a U-shaped fastener and / or pipe fastener, the roof panel and the floor slab are shelved on the steel frame, and the peripheries of the roof panel and the floor slab are tamped by cement plaster. The invention further discloses an assembly method for the prefab house made of the autoclaved aerated concrete slabs. The prefab house utilizes the autoclaved aerated concrete slabs as materials for walls, the floor slab and a roof, and heat insulation, fireproofing, sound insulation and impact resistance of the prefab house are improved. Besides, autoclaved lightweight concrete panels and a steel structure are fixed by means of bolt connection, and joints and corners are treated, so that breakage due to assembly and disassembly is prevented, and the requirement of the prefab house on reusability is met.
Owner:SHANGHAI FORCHN BUILDING IND TECH CO LTD

Safety syringe needle

A safety syringe needle comprises a needle, a needle holder, a needle protective cover, a spring, and a locking-releasing structure, wherein the needle protective cover, which is sleeved on the needle holder before and during injection, is moved to the needle after injection and protects the needle, the spring disposed between the needle holder and the needle protective cover is used for driving the needle protective cover to move from the needle holder to the needle after injection, and the locking-releasing structure disposed between the needle holder and the needle protective cover is used for locking the needle protective cover at the needle holder before and during injection and releasing the needle protective cover after injection. When located at the needle holder, the needle protective cover compresses the spring on the needle holder; and when the needle protective cover is located at the needle, the spring is released. The safety syringe needle prevents medical staff from being accidentally punched by the needle during use, prevents reusing of a syringe / needle, and has the advantages of disposability, safety, sanitation, convenience in use, and easiness in recycling.
Owner:上海双鸽实业有限公司

Exhaust-free highly-effective drying system and method

This invention relates to a non gas discharging high efficient drying system and its method. The discharged gas from dryer is firstly filtered and purified by filtering purification device. The generated heat energy is used to heating the dilute solution after dehumidifying in solution regenerating device. It fulfills the regeneration of concentrated solution. At the same time, part of the water vapor in the discharged gas separates out and becomes condensing water. It reduces the moisture content of discharged gas. Then, in heat regenerating device, the heat energy of the discharged gas from solution regenerator is used to heating the dry air after dehumidifying. It reduces the temperature, humidify and enthalpy of the wet air entering into dehumidifying device. In the dehumidifying device, the wet air undertakes solution dehumidifying processing. The dry air after dehumidifying enters into the heat regenerating device for initial heating. Then, the air passes through heating device in order to reach the parameter request of drying technique. At last, the dry air enters into the dryer to dry the materials. This invention saves energy and protects environment.
Owner:DONGHUA UNIV

Advanced treatment process for fermentation antibiotic wastewater

The invention relates to the technical field of wastewater treatment, in particular to an advanced treatment process for fermentation antibiotic wastewater. The advanced treatment process comprises the following steps: the fermentation antibiotic wastewater subjected to biochemical treatment is sent into a coagulation reaction tank, and a coagulant and a coagulant aid are added for a reaction; effluent of the coagulation reaction tank is subjected to precipitation separation treatment in a coagulative precipitation tank, and floc precipitates obtained after precipitation are sent into a sludge thickener; effluent of the coagulative precipitation tank is sent into a catalytic oxidation reaction tank and subjected to a Fenton catalytic oxidation reaction; effluent of the catalytic oxidation reaction tank is sent into a catalytic oxidation precipitation tank for precipitation separation treatment, flocs in the effluent obtained after an oxidation reaction are precipitated in the precipitation tank, and precipitated flocs enter the sludge thickener; effluent of the catalytic oxidation precipitation tank enters a two-membrane process desalter for desalting treatment, and the fermentation antibiotic wastewater treated with the process is high in quality and can meet the requirement for reuse of reclaimed water.
Owner:华夏碧水环保科技股份有限公司

Treatment and resource-utilizing technology of tert-butyl peroxy benzoate production wastewater

The invention discloses a treatment and resource-utilizing technology of the production wastewater of tert-butyl peroxy benzoate (initiator is C). The technology is as follows: high concentration production wastewater is collected from the sewage outlet of a production device to perform stabilization treatment, and after the risk that the organic peroxide in wastewater is violently decomposed when heated is basically eliminated, the mixture of tertiary butanol and tert-butyl peroxide, sulfuric acid, benzoic acid and sodium chloride are recycled from wastewater. the mixture of tertiary butanol and tert-butyl peroxide, benzoic acid and sulfuric acid can be used repeatedly in production and sodium chloride is a by-product. After most of tertiary butanol and tert-butyl peroxide are removed and benzoic acid, sulfuric acid and sodium chloride are recycled, the wastewater performs hydrolysis-contact oxidation and C-Fe micro-electrolysis decoloring treatment and the main indexes of discharged water meet the requirements of the discharge standard of water pollutants for pharmaceutical industry chemical synthesis products category (GB21904-2008) on the water pollutants emission limits of new business.
Owner:NORTHWEST NORMAL UNIVERSITY

Method for repairing and regenerating graphite negative electrode waste

The invention provides a method for repairing and regenerating graphite negative electrode waste. The method comprises 1) calcining graphite negative electrode waste recovered from scrapped batteriesin air, 2) soaking the calcined waste in an inorganic acid solution with oxidizing properties, and carrying out filtration, cleaning, drying, ball milling and screening to obtain initially purified graphite, and 3) pouring the screened waste into an ethanol solution of phenolic resin, carrying out stirring, suction filtration and drying to obtain pretreated coated graphite negative electrode material, carrying curing and high-temperature heat treatment on the coated graphite negative electrode material in an inert atmosphere to repair graphite powder and carrying out ball milling and screening to obtain modified graphite for a battery electrode. After the graphite waste repair and regeneration, the tap density and electrochemical performances can satisfy the reuse requirements.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY

Method for treating waste water generated from surface treatment of aluminum products

The invention discloses a method for treating waste water generated from surface treatment of aluminum products, which realizes the treatment of waste water generated during each step of surface treatment of the aluminum products. The waste water generated from the treatment process comprises sulfuric acid oil removal rinsing waste water, three acids treated rinsing waste water, ammonium bifluoride pickling rinsing waste water, alkali washing rinsing waste water, nitric acid neutralized rinsing waste water, sulfuric acid anodized rinsing waste water, nickel plating rinsing waste water and acetic acid hole sealing rinsing waste water. The method of the invention aims at the treatment of waste water generated by all the steps in the surface treatment, a set of integrated technology flow is formed, the method is easy to be used for enterprises; the properties of various waste water can be utilized with a large degree, the usage of an auxiliary agent can be reduced by mutual reaction and mutual deposition, and the cost can be reduced.
Owner:广州键洋环保科技有限公司

Method of regulating the valence of vanadium in electrolyte of vanadium cell

The invention relates to a method of regulating the valence of vanadium in the electrolyte of a vanadium cell and belongs to the field of vanadium cells. The invention is to solve the problem of increase of energy storage cost due to the necessity of replacement of the electrolyte if the vanadium cell is failure. The method includes: adding a vanadium-containing compound, HCl and water to the electrolyte of the vanadium cell, thus obtaining target electrolyte, wherein the HCl is a supporting electrolyte, the vanadium-containing compound is selected from one or more than two of vanadium pentoxide, vanadyl dichloride, vanadium trioxide, vanadium trichloride and vanadium dichloride. The method is simple and can quickly regulate the valence of vanadium in the electrolyte, thereby preparing electrolytes with different vanadium valences, so that use demands under different situations are satisfied. The method has very extensive application prospect.
Owner:CHENGDU ADVANCED METAL MATERIALS IND TECH RES INST CO LTD

Method for regenerating vanadium electrolyte by utilizing a vanadium battery invalidated positive electrode electrolyte of a sulfuric acid system

The invention relates to a method for regenerating vanadium electrolyte by utilizing a vanadium battery invalidated positive electrode electrolyte of a sulfuric acid system, belonging to the field ofvanadium batteries. The invention solves the problem that the existing process for recovering and utilizing the failed vanadium electrolyte is tedious, A method for regenerating a vanadium electrolyteby using a positive electrode electrolyte of an invalidated vanadium battery is provided, comprising the steps of adding VSO4, H2SO4 and water to the positive electrode electrolyte to obtain a regenerated electrolyte, wherein sulfuric acid is used as a supporting electrolyte for the vanadium battery. The invention takes the positive electrode electrolyte of a failed vanadium battery as raw material to regenerate the electrolyte, the recovery rate can reach 100%, the process is simple and easy to operate, and the invention can be applied to the recovery and regeneration of the failed positiveelectrode vanadium electrolyte of a large-scale hydrochloric acid system, and has a broad popularization and application prospect.
Owner:CHENGDU ADVANCED METAL MATERIALS IND TECH RES INST CO LTD

Method for deeply treating and recycling coal gasification wastewater by preposed oxidization combined with microwaves

The invention relates to a method for deeply treating and recycling coal gasification wastewater by preposed oxidization combined with microwaves. The method is characterized by comprising the following steps: acidification, catalyzation, oxidization, microwave treatment, flocculation, precipitation of coal gasification wastewater and the like. The method is characterized by comprising the following specific steps: firstly, pre-oxidizing by using an oxidant; after ring-opening and chain scission of organic matters, carrying out microwave catalytic oxidization; fully combining hydrogen peroxide oxidization and microwave catalytic oxidization to exert the maximum advantage of oxidizing reaction; treating the organic matters which are not appropriately treated in place in two stages; gradually degrading macromolecular organic matters; finally, fully decomposing degradation-resistant organic matters to satisfy the recycling demand of the coal gasification wastewater.
Owner:CHINA NAT OFFSHORE OIL CORP +2

Process for treating and recycling industrial wastewater of peroxide-2-ethylhexoic acid tertiary butyl ester

The invention discloses a process for treating and recycling industrial wastewater of peroxide-2-ethylhexoic acid tertiary butyl ester (an initiator OT), belonging to the technical field of industrial wastewater treatment. In the process, the industrial wastewater of peroxide-2-ethylhexoic acid tertiary butyl ester is directly collected from a sewage draining port of a production device and is subjected to stabilization treatment so as to basically eliminate the risk that organic peroxides in the wastewater are heated and severely decomposed, and tertiary butanol-tertiary butyl peroxide mixtures, concentrated sulfuric acid, sodium hydroxide and sodium chloride, which are recyclable, are separated and recycled from the wastewater. The wastewater subjected to removal of most organic matters and recycling of sulfuric phosphate, caustic soda and sodium chloride is subjected to hydrolysis-contact oxidation treatment, and C-Fe is subjected to micro-electrolysis decoloration, so that main water discharge indexes meet the requirements in Discharge Standards of Water Pollutants for Pharmaceutical Industry of Chemical Synthesis Products Category (GB21904-2008) for discharge limits of water pollutants for new enterprises. Therefore, the treatment of the peroxide-2-ethylhexoic acid tertiary butyl ester and the recovering and recycling of pollutants in the wastewater are realized.
Owner:NORTHWEST NORMAL UNIVERSITY

Regeneration method of electrolyte for failed vanadium batteries

The invention relates to a regeneration method of an electrolyte of a failed vanadium battery, belonging to the field of vanadium batteries. The invention solves the problem that the existing processfor recovering and utilizing the failed vanadium electrolyte is tedious, The technical scheme provides a regeneration method of a failed vanadium battery electrolyte, comprising the steps of adding vanadium trichloride or vanadium dichloride, HCl and water to the failed electrolyte, and obtaining a regenerated electrolyte, wherein hydrochloric acid is used as a supporting electrolyte for the failed vanadium battery electrolyte. The regeneration method of the invention can recover the electrolyte of the fail vanadium battery with a recovery rate of 100%, the waste of resources is avoid, the environment is not polluted, and the electrochemical activity of the regenerated electrolyte is basically consistent with that of the normally used electrolyte of the vanadium battery, and the requirement of reuse is met. The regeneration method of the invention can recover the electrolyte of the failed vanadium battery with a recovery rate of 100%, thus avoiding waste of resource and pollution of environment. The process of the invention is very simple and easy to operate, and is suitable for large-scale popularization and application.
Owner:CHENGDU ADVANCED METAL MATERIALS IND TECH RES INST CO LTD

A method for regenerating vanadium electrolyte from the cathode electrolyte of a failed vanadium battery

The invention relates to a method for regenerating a vanadium electrolyte by using a positive electrode electrolyte of a failed vanadium battery, belonging to the field of vanadium batteries. The invention solves the problem that the existing process for recovering and utilizing the failed vanadium electrolyte is tedious, The technical scheme provides a method for regenerating vanadium electrolyteby using a positive electrode electrolyte of an invalidated vanadium battery, comprising the steps of adding vanadium dichloride, HCl and water to the positive electrode electrolyte to obtain a regenerated electrolyte, wherein the invalidated vanadium battery uses hydrochloric acid as a supporting electrolyte. As that regeneration method of the invention can recover the positive electrode electrolyte of the vanadium battery with a recovery rate of 100%, the waste of resource is avoided, the environment is not pollute, and the electrochemical activity of the regenerated electrolyte is basically identical with that of the normally used vanadium battery electrolyte, so that the requirement of reuse is met.
Owner:CHENGDU ADVANCED METAL MATERIALS IND TECH RES INST CO LTD

Structure, method, and material of linkage in use for flushing free, no need of electric energy environmental protection water closet

An environment protection type lavatory without water flushing and electric energy has an excrement and urine separating pan and a linkage system. The ash and sand are used as its cleaning material. Said linkage system driven by opening the door is composed of pull string connected to said door, rotary wheel, flywheel, drum, cam and eccentric foul smell shielding plate. Said all units can be asynchronously linked to automatically deliver the mixture of excrement (or urine) and cleaning material into a foul smell shielding movable accumulator.
Owner:泥立敏

Method for cleaning and regenerating SCR denitration catalyst for potassium and sodium poisoning deactivation

The invention discloses a method for cleaning and regenerating an SCR denitration catalyst for potassium and sodium poisoning deactivation. The method comprises the following steps: preparing a cleaning solution and a regenerating solution, performing ash removal treatment on an SCR denitration catalyst subjected to potassium and sodium poisoning deactivation, adding the deactivated SCR denitration catalyst subjected to ash removal treatment into the cleaning solution for bubbling, performing ultrasonic cleaning, drying, bubbling and cleaning in the regenerating solution, supplementing vanadium components of the deactivated SCR denitration catalyst lost in the cleaning process, drying, calcining, and cooling to room temperature, thereby obtaining the regenerated denitration catalyst. According to the regeneration method disclosed by the invention, potassium and sodium poisoning elements of the deactivation catalyst can be effectively cleaned, and the porous structure of the catalyst is restored. Meanwhile, iron ions and arsenic and mercury ions in the deactivation catalyst can be effectively cleaned, the activity of the deactivated SCR denitration catalyst is effectively restored, the compressive strength and wear strength of the SCR denitration catalyst are improved to a certain degree, and the reusing requirement is met.
Owner:北京科林佰德环保有限公司

Recycling system for water resources of metro station foundation pit closely adjacent to high slope

The invention belongs to a recycling system for water resources of a metro station foundation pit closely adjacent to a high slope. The recycling system comprises a foundation pit water pumping and draining system, a sedimentation water collecting tank system, a high slope collection and storage system and a water resource utilization system. The water resource utilization system is used for introducing filtered water in a fire-fighting water pool to provide water resources for a concrete structure curing water-consuming system of a metro station, a construction site fire-fighting pipeline system, a field area road sprinkler system, a foundation pit anchor-plate retaining water-consuming system, a dust fog falling gunlock water-consuming system and a temporary living quarter water-consuming system. The water resources of the metro station foundation pit closely adjacent to the high slope are effectively recycled, and the recycling system has the advantages that the method is simple and practical, the water consumption quantity is decreased, the construction cost is reduced, the water drainage and filtration effects are good, the pollution control cost is low, sewage is recovered and recycled on the spot, and the energy-saving and environment-friendly effects are good.
Owner:CHINA CONSTR MUNICIPAL ENG

Advanced treatment method for diatomite for reclaimed-water recycling

The invention belongs to the field of water treatment, which discloses an advanced treatment method for diatomite for reclaimed-water recycling. The method comprises the steps that sewage subject to primary treatment and secondary treatment flows through an advanced treatment system comprising a rapid mixing zone and a settling zone, to which diatomite is added, to be subject to advanced treatment; sludge in the settling zone partly flows back to the rapid mixing zone and is partly dewatered and conveyed out during the treatment; the SS concentration in the rapid mixing zone is controlled to be 40mg / L to 80mg / L by controlling the adding amount of the diatomite; a stirring device is provided to stir the sewage and the diatomite; after the sewage and the diatomite are sufficiently mixed, asthe advance rate of water flow becomes slow, the diatomite and micropollutant in the water are further reacted in a slow flow zone, and finally enter the settling zone to be subject to sludge-water separation; and supernatant fluid is discharged. By adopting the method, yielding water can reach the BG / T18920 water quality standard for urban water consumption.
Owner:华方水务(中国)有限公司

Method for regenerating vanadium electrolyte by utilizing invalid negative electrolyte of sulfuric acid system vanadium battery

The invention relates to a method for regenerating vanadium electrolyte by utilizing invalid negative electrolyte of a sulfuric acid system vanadium battery and belongs to the field of vanadium batteries. The invention aims at solving the problems that an existing invalid vanadium electrolyte recycling technology is tedious and utilization rate is low. According to the technical scheme, the provided method for regenerating the vanadium electrolyte by utilizing the invalid negative electrolyte of the sulfuric acid system vanadium battery comprises the step of adding VOSO4 aqueous solution, H2SO4 and water into negative electrolyte, thus regenerated electrolyte is obtained, wherein the vanadium battery takes sulfuric acid as supporting electrolyte. By adopting the regeneration method provided by the invention, negative electrolyte of an invalid vanadium battery can be recycled at a recycling rate of 100%, so that waste of resources is avoided, and pollution can not be produced to the environment; meanwhile, electrochemical activities of the regenerated electrolyte are basically the same with those of normally used vanadium battery electrolyte, so that reuse requirement is met.
Owner:CHENGDU ADVANCED METAL MATERIALS IND TECH RES INST CO LTD

Reconstructed well wall of closed or abandoned mine shaft and construction technology of reconstructed well wall

The invention discloses a reconstructed well wall of a closed or abandoned mine shaft and a construction technology of the reconstructed well wall. The reconstructed well wall comprises a well wall body and a well wall bottom; the upper portion of the well wall bottom is a straight well wall section, the lower portion of the well wall bottom is a hollow hemispheroid well wall bottom, and the outer diameter of the straight well wall section is equal to the sphere diameter of the hollow hemispheroid well wall bottom; the well wall body is in a straight cylinder shape, and the outer diameter of the well wall body is equal to the outer diameter of the straight cylinder well wall section; and the bottom of the well wall body is fixedly connected with the top of the straight well wall section and is in fluid conduction with the straight well wall section. The construction process comprises the following steps: (1) installing a lifting system at the mouth of a closed or abandoned mine shaft; (2) prefabricating the reconstructed well wall on the ground; (3) blocking the shaft bottom roadway of the vertical shaft through concrete; (4) injecting suspension liquid into the shaft; and (5) sinking the reconstructed well wall to a set depth by adopting a suspension sinking process. The method has the advantages of unmanned and mechanized well wall reconstruction in the well, and has the advantages of convenience and safety in construction, low construction cost, short construction period and the like.
Owner:BEIJING CHINA COAL MINE ENG CO LTD

Deep treatment method of petrochemical engineering organic wastewater difficult to biodegrade

The invention discloses a deep treatment method of petrochemical engineering organic wastewater difficult to biodegrade. Secondary treatment effluent of a petrochemical engineering sewage treatment device is treated with a catalytic ozonation and integrated biological filter combination technology, and the method specifically comprises the steps as follows: a coagulant and a coagulant aid are added to secondary treatment effluent for a precipitation reaction; then the sewage enters an ozonation reactor and is subjected to an oxidation reaction with ozone under the action of fixed bed catalytic filler, and the purposes of decolorizaiton and organic matter decomposition are achieved; finally, a high-load biological filter procedure and a variable-pore filter procedure are performed through an integrated biological filter, and after the sewage is treated by biological membranes attached to and growing on the surface of biological filter filler and is filtered by variable-pore filler, biodegradable organic matter in ozone decomposed water can be removed. The method is simple in process and convenient to operate, emission of pollutants in the petrochemical engineering sewage can be effectively reduced, the effluent quality requirement of existing secondary treatment process upgrading and reconstruction is met, and the economic benefit is increased.
Owner:CEEP CO LTD

Washing machine capable of saving water resources

The invention discloses a washing machine capable of saving water resources. The washing machine comprises a washing machine body, a tap water inlet pipe and a recycling water inlet pipe are fixedly connected to the upper portion of the washing machine body, a washing machine water outlet pipe is fixedly connected to the lower portion of the washing machine body, and a washing machine fixing blockis fixedly connected to the side edge of the washing machine body; and a water tank assembly is fixedly connected to the lower portion of the washing machine body. According to the washing machine capable of saving the water resources, the washing machine body and the water tank assembly are arranged in a matched manner, so that the washing machine capable of saving the water resources has the effect of preventing the washing machine from shaking; a water tank body, a water inlet branch control pipe, a water inlet branch control electromagnetic valve and a main water drainage pipe are arranged in a matched manner, so that the washing machine capable of saving the water resources has the effect of intelligently storing washing water in batches; and the washing machine capable of saving thewater resources has the effect of intelligently recycling the washing water through cooperative arrangement of a detector, a water pumping electric reversing valve, an electronic water pump and a water pumping sub-control electric valve.
Owner:夏新强

Multistage filtering and drainage system for deep-long water-rich tunnel underground water and construction method thereof

The invention belongs to a multistage filtering and drainage system for deep-long water-rich tunnel underground water and a construction method thereof; the multistage filtering and drainage system for deep-long water-rich tunnel underground water comprises: a tunnel drainage precipitating system that includes a tunnel drainage ditch, a drainage ditch precipitating tank and a stagewise water-stirring pump; a shaft horizontal passage drainage system that includes a horizontal passage water ditch, a shaft precipitating tank and a lifting water pump; an underground sediment removal system; a small excavator for excavating a working face; a gantry crane and a lifting residue bucket for transferring excavation soil residue and removal precipitate in the drainage ditch precipitating tank and the shaft precipitating tank to a ground; a ground multistage filtering and precipitating system that includes a primary precipitating tank, a secondary precipitating tank, a tertiary precipitating tank and a quaternary precipitating tank; and an automatic sediment remover. The multistage filtering and drainage system for deep-long water-rich tunnel underground water and the construction method thereof have the advantages that water produced in the construction of a water-rich karst tunnel can be effectively discharged, a good construction environment is provided, the method is good in simplicity and practicality, the drainage and filtering effects are good, pollution treatment cost is low, sewage is recycled for in-situ reuse, and the service effect is good.
Owner:CHINA CONSTR MUNICIPAL ENG +1

High-temperature regeneration method of column chromatography silica gel

The invention discloses a high-temperature regeneration method of column chromatography silica gel. The high-temperature regeneration method comprises the following steps: a, after loading a tray with silica gel to be regenerated, putting the tray into a car-type electric furnace, and regenerating and activating the silica gel at the temperature of 570 DEG C, wherein the loading thickness is smaller than or equal to 4 cm; b, after the regeneration and activation are over, driving out the car, unloading timely, and loading the car with silica gel to be regenerated again; c, cooling the regenerated silica gel at the air humidity of 45-65%, so as to obtain white regenerated silica gel after cooling. According to the high-temperature regeneration method of column chromatography silica gel, chromatography silica gel is a separation carrier which is used in the separation purification and production processes of Chinese herbal medicine, chemical synthetic drugs and bioactive substances in large quantities; the method is easy to operate, and the regenerated column chromatography silica gel conforms to reuse requirements, and is high in regeneration efficiency and low in production cost; pollution is reduced due to recycling, and the economic benefits are improved.
Owner:CHONGQING ZHENYUAN HONGDOUSHAN DEV CO LTD

A method for treating waste containing abrasive particles

The invention discloses a method for treating waste material containing abrasive grains, which comprises: obtaining a waste material solution containing abrasive grains, and the abrasive grains are used to fix the surface of a wire saw; using a filter to filter out first impurities in the waste material solution to obtain The first abrasive particle solution, the average particle diameter of the first impurity is greater than the average particle diameter of the abrasive particles; ultrasonic treatment is performed on the first abrasive particle solution to peel off the second impurity on the surface of the abrasive particles, and the first abrasive particle solution The second impurity is removed from the first abrasive solution to obtain a second abrasive solution; the abrasive particles in the second abrasive solution are subjected to surface active treatment with an active agent and the abrasive particles are extracted. The method of the invention can achieve the purpose of purifying and optimizing the diamond surface state, so that the recovered diamond powder can be reused, the utilization rate can be improved, and the sanding ability and uniformity can be further improved.
Owner:LUOYANG CSI PHOTOVOLTAIC TECH CO LTD

A crushing and decomposing combined rag machine

The invention discloses a crushing detachable combined type rag cutting machine. The crushing detachable combined type rag cutting machine includes a crushing type rag cutting machine and a detachable type rag cutting machine, wherein the crushing type rag cutting machine and the detachable type rag cutting machine are connected through through-holes. The crushing type rag cutting machine is internally provided with rag cutting rollers, a cylinder surface of each rag cutting roller is provided with rag cutting blades, and the rag cutting rollers are internally provided with rotating shafts; two sides of the crushing type rag cutting machine are provided with a first air blower and a second air blower respectively; a crushing type rag cutting machine discharge pipe is arranged on the bottom of the crushing type rag cutting machine; and the crushing type rag cutting machine and the crushing type rag cutting machine discharge pipe are connected through a crushing type rag cutting machine valve. The crushing detachable combined type rag cutting machine combines the crushing type rag cutting machine with the detachable type rag cutting machine, and can meet different rag cutting requirements during textile processing; through combination of the crushing type rag cutting machine and the detachable type rag cutting machine, the efficiency of rag cutting can be effectively improved; and the crushing type rag cutting machine and the detachable type rag cutting machine are connected through the through-holes, so that two kinds of rag cutting can be performed at the same time, and the rag cutting is more thoroughly.
Owner:江苏和众布业有限公司
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