防水快接器

Application method of waste battery composite zero-valent iron material for targeted degradation of VOCs

The invention belongs to the technical field of waste gas purification treatment, and provides an application of a waste battery. According to the application, waste batteries are used as raw materials to remove VOCs, and the application comprises the following steps that S1, the waste batteries are disassembled, and positive electrode materials are sorted out; s2, adding the positive electrode material into nitric acid for dissolving, and adding a proper amount of zero-valent iron material; magnetically stirring, reacting for a period of time, and centrifuging to obtain a solid substance; s3, adding the solid substance obtained in the step S2 into a ball mill, and performing ball milling for a period of time to obtain an iron-copper composite material; s4, mixing the solid substance obtained in the step S3 with a sodium carboxymethyl cellulose solution, uniformly stirring at the rotating speed of 800r/min, and fully dissolving; s5, the composite material obtained in the step S4 is placed ...

Straw core nanocellulose composite membrane and preparation method and application thereof

The straw core nanocellulose composite membrane comprises straw core particles, nanocellulose fibers and citric acid, the straw core particles, the nanocellulose fibers and the citric acid are crosslinked through covalent bonds to form the composite membrane, and the weight ratio of the straw core particles to the nanocellulose fibers is (1-4): 1. The composite film is obtained by cross-linking the straw core particles and the nano-crystalline cellulose fibers through citric acid and has good anti-ultraviolet performance, structural strength and biodegradability, the water resistance steam parameters of the composite film can be controlled by controlling the weight ratio of the straw core particles to the nano-crystalline cellulose fibers, and the composite film has good anti-ultraviolet performance, structural strength and biodegradability. The requirements of multi-field material performance are met.

Application of molecular sieve-based catalyst based on waste lithium ion battery positive electrode material in microwave catalytic oxidation of VOCs (Volatile Organic Compounds)

The invention discloses application of a molecular sieve-based catalyst based on a waste lithium ion battery positive electrode material in microwave catalytic oxidation of VOCs (Volatile Organic Compounds). The molecular sieve based catalyst is prepared by the following method: firstly, co-roasting ternary positive electrode material powder NCM and CuSO4. 5H2O obtained after heat treatment in a muffle furnace to obtain a catalyst precursor; and then carrying out water immersion on the catalyst precursor at room temperature, loading leached residues on a molecular sieve by adopting an equivalent-volume impregnation method, and then roasting and activating to obtain the catalyst. According to the method, the leaching residues obtained after selective extraction of Li is conducted on the positive electrode material of the waste lithium ion battery are adopted as the catalyst, the preparation method is simple, meanwhile, transition metal elements such as Ni, Co, Mn and Cu are introduced into ...

Three-dimensional inner film type crystallization and concentration system and method

The invention discloses a three-dimensional inner membrane type crystallization and concentration system and method. The device comprises a tank body, a main shaft, a hot runner interlayer, a hot runner inlet pipe, a hot runner outlet pipe, a scraper, a screening device, a solid-gas separator, an output mechanism, a tubular heat exchanger, a plate heat exchanger and a gas-liquid separation tank, wherein the screening device comprises a screening tray, four edges of the screening tray are turned up, screening holes are formed in the peripheral turned edges, the main shaft penetrates through the screening device and then is connected with a scraping piece below, the bottom of the tank body is connected with a bottom scraping piece, the hot runner interlayer is welded to the outer portion of a tank body shell, and gas in the tank body can be smoothly discharged through the solid-gas separator. The solid-gas separator is connected with a steam inlet of the tubular heat exchanger, a steam outlet ...

METHOD AND DEVICE FOR IMPLEMENTING STREAM CIPHER

The present invention discloses a method and a device for implementing stream cipher. The method includes: implementing a key expansion operation with a pre-set 128-bit initial key and 128-bit initial vector, to obtain 16 31-bit state variables; implementing N-round operations using the state variables, wherein N is a positive integer and in turn each round of operation includes: bits restructuring, nonlinear state filtering operation and variable initialization mode operation; processing the output results after the N-round operations in turn using bits restructuring, nonlinear state filtering operation and discarding the output, as well as the variable work mode operation; implementing the following steps in each clock tick and respectively in turn: bit restructuring, nonlinear state filtering operation, XOR operation, and variable work mode operations, to obtain 32-bit pseudo-random sequence. Application of the method and device described in this invention can be simple and convenient ...

Vacuum evaporation crystallization system

The invention discloses a vacuum evaporative crystallization system. When the system works, high-salt waste liquid is preheated and then fed into the evaporator to be evaporated and crystallized, and evaporated liquid enters the water collecting tank after being condensed by the steam compressor and the heat exchanger. Fluid providing a heating heat source for the evaporator is in a closed cycle, and main heat of the fluid comes from the heat exchanger and electric heating. The main power drives the main shaft to rotate; the large scraping plate is welded with the main shaft, is tightly attached to the inner wall of the tank body and penetrates through the height of the inner wall of the whole cylinder; the small scraping arm is connected with the main shaft and drives the small scraping plate to rotate; the small scraping plate is tightly attached to the conical bottom; after the waste liquid is concentrated and crystallized by the evaporator, the large scraping plate and the small scraping ...

Efficient crystallization and concentration system and method

The invention discloses an efficient crystallization and concentration system and method. The system comprises a feeding device, a main barrel body, a discharging device, a primary gas-liquid separation device and an air pressure balance system, multiple layers of first and second evaporation heating disc devices are horizontally and alternately arranged in the main body at intervals, each of the first and second evaporation heating disc devices comprises a cavity formed by a disc surface, a steep edge and a slow edge and used for containing waste liquid, the slow edge is lower than the steep edge, the included angle between the slow edge and the disc surface is larger than that between the steep edge and the disc surface, the middle of the first evaporation heating disc device is the steep edge, and the middle of the second evaporation heating disc device is the steep edge. The outer edge is a slow edge, and after the waste liquid is heated for a long time, crystal substances fall off ...

Lithium battery disassembling and recycling device and method

The invention belongs to the technical field of lithium battery recycling, and particularly relates to a lithium battery disassembling and recycling device and method. The device is an automatic lithium battery disassembling and recycling device based on mechanical transmission and cutting. According to the device, residual electricity of the lithium battery is discharged completely before disassembly, and meanwhile, a wrapped plastic outer skin is removed, so that each battery entering a working layer to be disassembled is not electrified, and the safety of operators and the reliable operation of the whole device are ensured; in addition, the device adopts the clean energy of electric energy as power, and a series of ingenious mechanical structures such as a spring, a cam and a crank sliding block are matched with one another, so that the aim of disassembling and recycling lithium batteries of different sizes and types is fulfilled, and the adaptive surface of the device is enhanced. In ...

Matching feature point acquisition method and device, computer equipment and storage medium

The embodiment of the invention provides a matching feature point acquisition method, device and system, computer equipment, a storage medium and a computer program product, relates to the technical field of image processing, and can be used in the field of financial science and technology or other related fields. The method comprises the following steps: shooting a first to-be-matched image and a second to-be-matched image for a business handling area through a camera; performing image matching on the first to-be-matched image and the second to-be-matched image to obtain a plurality of groups of matching feature points; determining a first preset neighborhood corresponding to each first feature point and a second preset neighborhood of a second feature point corresponding to each first feature point; obtaining the group number of matched feature points associated with each first feature point; and under the condition that the group number meets a set condition, taking the second feature ...

Chitosan carbon-based microsphere material as well as preparation method and application thereof

A chitosan carbon-based microsphere material comprises a chitosan carbon sphere, a plurality of NiCoLDH nanosheets are uniformly anchored on the surface of the chitosan carbon sphere, each NiCoLDH nanosheet is connected with a plurality of MoS2 nanosheets through sulfur metal bonds, and the chitosan carbon-based microsphere material is formed through combination. The chitosan carbon-based microsphere material has excellent energy density, long cycle life and excellent electrochemical stability, and has a good application prospect in the field of energy storage.

Lithium battery discharging and plastic film removing device

The invention discloses a lithium battery discharging and plastic film removing device. The device comprises a steel supporting frame, a lithium battery discharging layer and a plastic film cutting and recycling layer. The two working layers, namely the lithium battery discharging layer and the plastic film cutting and recycling layer, are main body parts of the device, and each working layer is composed of a conveying belt, a plastic or metal partition plate on the conveying belt and specific working parts for moving, cutting and recycling on each layer. The power of the whole device is provided by a plurality of servo motors fixed on a device support frame, the device is clean and environment-friendly, and output of different rotating speeds and torques is realized by adjusting parameters of the servo motors, so that all parts of the whole device are completely and properly matched; the device effectively solves the problems of low automation degree, narrow adaptive surface, high danger ...

Sludge treatment device

... 本实用新型属于污泥处理技术领域，具体为一种污泥处理装置。本实用新型的污泥处理装置包括污泥采集器、收集箱和除水器；所述污泥采集器包括采集船、升降机构、吸泥泵和吸泥管，吸泥管固定设置在升降机构上，其一端和吸泥泵的进口端相连通，收集箱上设有进料口和出料口，收集箱上的进料口和吸泥泵的出口端相连，出料口和除水器相连。本实用新型的有益效果在于：其对污泥处理效果高效、便捷。 ...

A method for utilizing abandons the titanium gypsum preparation render gypsum method

... 本发明公开了种利用废弃钛石膏制备粉刷石膏的方法。该方法的原料和重量组成百分比如下：钛石膏70~90%，碱性掺和料2～10%，沸石3～8%，水泥2～12%，激发剂0.5～3%，粘结剂0.5～2%，保水剂0.2～0.5%，减水剂0.1～0.2%，缓凝剂0.1～0.2%，抗裂剂0.05～0.10%；将上述原料充分搅拌混合均匀后，即得到粉刷石膏；在粉刷石膏中加入适量水调和后即可使用。本发明的有益效果在于：本发明方法所制备的产品具有较强的粘结力，而且涂层不开裂，不易脱落；另外有较高的强度，且耐碱耐水；该材料无毒、无味，对人体无损害。 ...

Fluidized bed reaction device and system

The invention discloses a fluidized bed reaction device and system and relates to the field of fluidized bed reaction. The fluidized bed reaction device comprises a fluidized bed and a plasma discharge device; the plasma discharge device is arranged in the fluidized bed; the plasma discharge device is used for discharging the discharge gas, activating a high-energy bond of the discharge gas and generating high-energy electrons, and the high-energy electrons are used for activating the reaction gas to obtain activated reaction gas; the fluidized bed is used for carrying out catalytic oxidation coupling on the activated reaction gas to prepare ethylene. The method has the advantages that an external heat source is not needed in reaction, the catalyst is not easy to inactivate, reaction products are high in selectivity, and reaction conversion rate is high.

Membrane material as well as preparation method and application thereof

A membrane structure comprises an rGO layer and an LDHs layer, CNFs are evenly distributed between the rGO layer and the LDHs layer, the CNFs are connected with the rGO layer and the LDHs layer through hydrogen bonds, nickel ions and cobalt ions are distributed on the LDHs layer, the CNFs, the rGO layer and the LDHs layer form electrostatic interaction to form the membrane structure, the membrane structure is formed by overlapping at least two layers of membrane structures, the CNFs are evenly distributed between the adjacent membrane structures, and the CNFs are connected with the adjacent membrane structures through hydrogen bonds. And preparing to obtain the membrane material. The prepared membrane material has high specific capacitance, excellent cycle performance, excellent mechanical performance and excellent flexibility, and can meet the requirement of stable work under the conditions of bending, folding and curling as an electrode material.

Green and environment-friendly coating and polishing integrated equipment for ship

The invention discloses green and environment-friendly coating and polishing integrated equipment for ships, and particularly relates to the technical field of ship polishing, the green and environment-friendly coating and polishing integrated equipment comprises a mounting frame seat, the exterior of the mounting frame seat is connected with a mounting bin, the top end of the mounting bin is fixedly connected with a paint spraying seat, and the top end of the mounting bin is fixedly provided with a suction fan. Through the arrangement of the mounting fixing plate, the rotating wheel, the connecting belt and the first transmission wheel, when grinding and paint spraying operation is conducted on the surface of the ship, firstly, through connection work of a connecting rotating seat and a rotating motor, a grinding and polishing plate can conduct rotating grinding operation; when the grinding and polishing plate performs polishing operation or slightly grinds the surface of a ship, a worker ...

Message distribution method and device, computer equipment, storage medium and product

The invention relates to a message distribution method and device, computer equipment, a storage medium and a computer program product, relates to the technical field of computers, can be applied to the field of financial science and technology or other related fields, and can improve the message distribution efficiency. The method comprises the following steps: receiving a to-be-distributed message sent by a message sending end to a message distribution end; obtaining multiple pieces of message information in the to-be-distributed message, removing interference message information in the multiple pieces of message information, and obtaining target message information based on the residual message information after the interference message information is removed; the interference message information is message information of which the association degree with a message receiving end is smaller than a preset threshold value; inputting the target message information into a trained message ...

Automatic testing method and device, computer equipment and storage medium

The invention relates to an automatic testing method and device, computer equipment and a storage medium, and relates to the technical field of computers. The method can be used in financial science and technology fields or other related fields. The method comprises the steps of displaying an automatic test interface, obtaining test text information input for a to-be-tested business system in the automatic test interface, and obtaining at least one test operation text and a test object text corresponding to the test operation text according to the test text information; obtaining a plurality of pieces of operation instruction information bound with the test operation text in advance, and obtaining an operation object position corresponding to a test operation object represented by the test object text in a display page of the business system; and executing each piece of operation instruction information at an operation object position in a display page of the business system, obtaining ...