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36results about How to "Simplified disassembly" patented technology

Sinking tubular steel derrick and mounting method of same

The invention relates to a sinking tubular steel derrick and a mounting method thereof. The sinking tubular steel derrick is of a flat top rectangular pyramid with a holohedral main body truss and comprises a main support rod piece, support rod pieces corresponding to three layers of platforms, namely a sheave wheel platform, an intermediate platform and a gangue turning platform, which are connected with the main support rod piece from top to bottom, and the like. Beams of the sheave wheel platform arranged in the shape of a Chinese character Ri; the support rod pieces of the sheave wheel platform are arranged in the shape of inverted V and connected with central nodes on the four sides of the sheave wheel platform and nodes at four corners of the intermediate platform; and the axial lines of the support rod pieces of the intermediate platform are in superposition with the extension lines of the axial lines of the support rod pieces of the gangue turning platform, and the support rod pieces of the intermediate platform are arranged in the shape of the inverted V and used for connecting the intersection points between the central nodes on the four sides of the intermediate platform, the main support rod piece and a derrick foundation. The derrick is suitable for vertical shafts with net diameter of 6.5m-9m, average depth of not more than 1400m and working load of the derrick of not more than 530t and second-stage engineering construction thereof, and can simplify processing, transportation, mounting and detachment, realize stronger applicability to terrain and provide reliable guarantee for realizing rapid construction and shortening construction period.
Owner:JCHX MINING MANAGEMENT

Membrane electrode integrated component with sealed frames and preparation method thereof

The invention relates to a membrane electrode integrated component with sealed frames and a preparation method thereof. The membrane electrode integrated component comprises an electrolyte film, electrodes which are arranged at the two sides of the electrolyte film and respectively comprise a catalytic layer and a diffusion layer, and the elastomer sealed frames arranged around the electrodes at the two sides of the electrolyte film; wherein the elastomer sealed frames are higher than the diffusion layers (3) by 0.1-2.0mm; the two ends of the sealed frame are designed with convex sealing linesused for sealing the sealed frame and a bipolar plate; the sizes of the catalytic layers and the diffusion layers at the two sides of the electrolyte film meet the requirement of D2<= D1<=D2+D3, wherein the D1 is the length, by which every side of the electrolyte film is longer than the catalytic layer and the diffusion layer; the D2 is the sum of the thicknesses of the catalytic layer and the diffusion layer; and the D3 is the thickness, by which the elastomer sealed frames are higher than the catalytic layers and the diffusion layers at the two sides of the electrolyte film. The invention has the characteristics that the insulation property and the gas barrier property of the cell can be ensured, the membrane electrode integrated component is easy for batch production and is beneficialto simplifying the assembly and the disassembly of a battery pack, and the production efficiency can be improved.
Owner:SUNRISE POWER CO LTD

Method for recovering positive electrode material of waste lithium iron phosphate battery

The invention provides a method for recovering a positive electrode material of a waste lithium iron phosphate battery. The method comprises steps: carrying out discharge treatment of the waste lithium ion battery, and separating positive and negative electrode mixed powder, a battery shell, a copper foil, an aluminum foil and a diaphragm through the physical method; adding the separated positiveand negative electrode mixed powder into NaOH solution for dissolving, removing residual Al elements, putting the residual Al elements into organic acid solution with a certain concentration, leachingLi, Fe and PO4<3->, filtering to remove insoluble graphite, separating a positive electrode material from a negative electrode graphite material, purifying the negative electrode material, and recycling the purified material; then adding a lithium source, an iron source or a phosphorus source according to the determined element ratio of the leachate, making a molar ratio of Li to Fe to PO4<3-> tobe (1-1.05): 1: 1; and carrying out spray pyrolysis under a certain temperature condition and inert gas atmosphere to obtain a carbon-coated lithium iron phosphate material. The method is advantagedin that the disassembling mode is simplified, leaching efficiency is high, impurity elements are not introduced, exhausted waste gas is mainly CO2, and industrial large-scale production is facilitated.
Owner:SHENZHEN QINGYAN EQUIP TECH CO LTD

In-situ regeneration method of waste lithium iron phosphate battery positive electrode material

The invention provides an in-situ regeneration method of a waste lithium iron phosphate battery positive electrode material. The in-situ regeneration method comprises the following steps: disassembling and separating out positive and negative electrode mixed powder, a battery shell, a copper foil, an aluminum foil and a diaphragm by a physical method after discharging the waste lithium ion battery; adding the positive and negative electrode mixed powder into a NaOH solution for dissolution and removing the residual Al element and then placing the mixture in a hydrochloric acid solution with acertain concentration to leach Li, Fe and PO431 , filtering and removing insoluble graphite to enable the positive electrode material to be separated from the negative electrode graphite material andrecovering and regenerating the negative electrode material after purification; then adding a lithium source, an iron source or a phosphorus source according to the determined element ratio of leaching solution to make the molar ratio of Li: Fe: PO43- to be 1-1.05: 1: 1 and adding a certain amount of carbon source; and obtaining the lithium iron phosphate coated with carbon after spray pyrolysis.The disassembling mode is simplified, the lithium iron phosphate positive electrode material can be synthesized in situ, the hydrochloric acid can be recycled, the disassembling cost of the waste battery can be reduced and industrial production can be realized.
Owner:SHENZHEN QINGYAN EQUIP TECH CO LTD

Automatic pistol

ActiveCN101730830AEliminates the possibility of driftSimple designPistolsWeapon componentsEngineeringGas chamber
The inventive automatic pistol relates to small arms in particular to the structural design of automatic small arms with the powder gas-operated reloading. A barrel (1) is provided with a tail (2) situated in the lower part of a face of breech and is mounted on a frame (3). A bolt (5) is designed in such a way that the front part thereof is tipped up in the extreme front position and, for this purpose, is provided with a tip up support (19). Bolt lugs (21), which are mounted on the front part of the bolt sides, enter the grooves made on the barrel shank when the barrel is closed in such a waythat they are engaged with locking lugs (23) located in the grooves. A spring-loaded gas piston is provided with a spent case ejecting window and is designed in such a way that, when moving back, it releases the bolt lugs (21) and moves the bolt back, and, when moving forward, it moves the bolt forward, a closing lug (20) being in the piston window, and to twist it downward. A gas chamber is mounted on the chase of the barrel in such a way that it encompasses the barrel, gas-discharge channels being made on the barrel circle.
Owner:HANS WRAGE & CO

Optical fiber connector

An optical fiber connector used for clamping an optical fiber. The optical fiber includes a fiber core and a coating layer that covers the fiber core, and part of the coating layer is stripped from the fiber core to form coating layer strips. The optical fiber connector includes an optical fiber fixing unit, an optical fiber core insertion unit and a shell connecting the optical fiber fixing unit and the optical fiber core insertion unit. The optical fiber fixing unit includes a clamping member that fixedly holds the optical fiber and includes a first clamping part and a second clamping part. One of the first clamping part and the second clamping part includes at least one positioning column, and the other one is provided with at least one positioning hole corresponding to the positioning column. The positioning column is used for winding the coating layer strips thereon, the first clamping part and the second clamping part are mutually fastened to fix the optical fiber therebetween, and the positioning columns are inserted in the positioning holes.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1

Transport system

The present invention shows a transport system for the transport of bulk goods, in particular of concrete, comprising a transport belt for the conveying of the bulk goods to an unloading point, wherein a rotary arm is provided which is rotatable about a vertical axis of rotation and which transports bulk goods to its free end and unloads them there. In this respect, the rotary arm is supported at a holder which is or can be arranged at a stationary support column such that the axis of rotation of the rotary arm extends eccentrically to the support column, with the rotary arm advantageously being arranged next to the support column, viewed from above, in at least one rotational position. The invention furthermore shows a corresponding support column as well as a method for the rebuilding of the transport system.
Owner:利勃海尔混合技术有限公司

Shield simulation testing device with adjustable angle

The invention relates to a shield simulation testing device with an adjustable angle. The shield simulation testing device comprises a model box, a shield tunnel mold, a first tunnel mold fixing plate, a second tunnel mold fixing plate, a telescopic rod, a clamping groove, a fixing rod and a buckle; the first tunnel mold fixing plate and the second tunnel mold fixing plate are arranged on the upper part and the lower part of one side face of the model box correspondingly, the shield tunnel mold is fixedly arranged between the first tunnel mold fixing plate and the second tunnel mold fixing plate, the clamping groove is horizontally formed in the outer side of the model box, one end of the fixing rod is perpendicularly and fixedly arranged on the clamping groove, the other end of the fixingrod is hinged to the end of the shield tunnel mold, the end of the shield tunnel mold is connected with one end of the telescopic rod, the other end of the telescopic rod is connected with the buckle, and the buckle is buckled in the clamping groove. According to the shield simulation testing device, the problems existing in a current device are effectively solved, the testing efficiency is significantly improved, and a simpler operation platform is provided for unstability simulation of the shield excavation surface.
Owner:NORTHEASTERN UNIV

Switchgear cabinet for tool-less floor panel mounting

The present invention relates to a switchgear cabinet (1). The switchgear cabinet comprises a frame formed by frame portions (2), an open bottom side (3) may be sealed by at least one bottom plate (4), wherein A mounting rail (5) with a horizontal bearing face (6) is extended along two opposite frame portions (2) of the bottom side (3). The bottom plates may be placed on the bearing faces, and the mounting rail (5) has a detent element (7) with a locking pawl (8) which is arranged at a vertical distance from the bearing face (6). The locking pawl (8) is moved in forward and backward directions between an open position in which the bottom plate (4) is released for the removal, and a closed position in which the bottom plate (4) is supported between the bearing face (6) and the locking pawl (8). According to one embodiment, the mounting rail (5) is provided by bottom grooves.
Owner:RITTALWERK RUDOLF LOH GMBH & CO KG

Easily-dismounted portal crane and dismounting method thereof

The invention discloses an easily-dismounted portal crane. The easily-dismounted portal crane comprises a main beam, and brackets for supporting the main beam, wherein an opening-closing device is arranged between the main beam and each bracket, and each opening-closing device comprises a first leaf plate arranged on the main beam, and a second leaf plate arranged on the each bracket; a first mandrel is arranged at the side edge of each first leaf plate; a second mandrel which is arranged at the side edge of each second leaf plate is connected to the corresponding first mandrel through a hinge pin. The invention further discloses a dismounting method of the portal crane. The method comprises the following steps: preparing and mounting the portal crane; hoisting the main beam, and dismounting a bottom longitudinal beam between the brackets; then releasing opposed bolts so as to integrally chain the main beam and the brackets through the opening-closing devices; finally lowering down the main beam, wherein the brackets can outwards slide along a bottom rail under the effect of the opening-closing devices. With the adoption of the method, the dismounting and mounting processes of a main structure of the portal crane can be simplified, thus the crane work shift and the time of working at heights can be decreased, and as a result, the cost can be saved, and meanwhile, the safety risk of construction can be reduced.
Owner:TIANJIN 20 CONSTR

Pipeline reserved hole plugging mold and construction method

The invention discloses a pipeline reserved hole plugging mold and a construction method. The mold comprises two semicircular bottom molds which are oppositely arranged; a first lap joint part is fixedly arranged at the end, in the circumferential direction, of each bottom mold, the top of the first lap joint part is flush with the top of the bottom mold, a second lap joint part is fixedly arranged at the end, in the circumferential direction, of the bottom mold, and the second lap joint part is located below the first lap joint part and matched with the first lap joint part in a lap joint mode; and semi-cylindrical hoops are fixedly connected to the bottoms of the bottom molds, and the two hoops are oppositely arranged and detachably connected together. The mold and method have the beneficial effects that the defects that hole sealing gaps are not tight, a hoop displaces and slips off, the bottom molds are deformed and staggered, and slurry leaks from a plugging part are overcome, the hidden danger of leakage from a contact surface can be effectively prevented, and mold hoisting plugging of a pipeline reserved hole and quality improvement of a building installation project are achieved.
Owner:中铁十六局集团城市建设发展有限公司

Air-conditioner and compressor cover with waterproof function

The invention belongs to the field of compressor support equipment, and particularly provides an air-conditioner and a compressor cover with the waterproof function. The problem that electrical apparatus elements in a compressor cover in the prior art can be damaged easily due to high humidity can be solved. In order to achieve the aim, the compressor cover mainly comprises a first side plate, a second side plate and a top cover which are connected in a buckle mode. The first side plate and the second side plate can be fixed to a fixed support of the compressor, and the top cover can circumferentially cover the top end of the first side plate and the top end of the second side plate. By the adoption of the compressor cover, the phenomenon that rainwater enters a cavity formed by the first side plate, the second side plate and the top cover to damage the electrical apparatus elements of the compressor can be prevented; and furthermore, the first side plate, the second side plate and the top cover are all manufactured through a foaming process, and therefore the overall mass of the compressor cover is lowered.
Owner:QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +1

Side-channel compressor for a fuel cell system for conveying and/or compressing a gaseous medium

The invention relates to a side-channel compressor (1) for a fuel cell system (37) for conveying and / or compressing a gaseous medium, in particular hydrogen, comprising a housing (3); a compressor chamber (30) which is situated in the housing (3) and which has at least one encircling side channel (19, 21); a compressor impeller (2) which is situated in the housing (3) and which is arranged so as to be rotatable about a rotational axis (4), wherein the compressor impeller (2) has conveying cells (5) arranged on the impeller circumference in the region of the compressor chamber (30), and the conveying cells (5) are delimited by a circumferential inner delimiting ring (26) on the side facing the rotational axis (4); and in each case at least one gas inlet opening (14) formed on the housing (3) and one gas outlet opening (16), which are fluidically connected together via the compressor chamber (30) and the at least one side channel (19, 21). The housing (3) has at least one respective end face (32, 34) radially to the rotational axis (4), each end face facing the compressor impeller (2), and at least one functionally relevant gap dimension (36, 38) is formed in the region of each gap surface. According to the invention, the compressor impeller (2) has at least one impeller shell (10, 12), said impeller shell having a lateral wall (13, 23) which runs radially to the rotational axis (4) and / or an outer delimiting ring (28) which runs parallel to the rotational axis, whereby a fluidic encapsulation of the conveying cells (5) and / or the side channel (19, 21) is produced in particular.
Owner:ROBERT BOSCH GMBH

Embedded intelligent steaming and baking oven

The invention discloses an embedded intelligent steaming and baking oven. The steaming and baking oven comprises a case, an inner cavity, a controller and a control panel, wherein the controller is connected with the control panel, the control panel is mounted at the upper end part of the case, and the intelligent steaming and baking oven is characterized in that the controller is a PLC, the PLC comprises a data acquisition module, an alignment execution module and a preset module, the data acquisition module is connected with a temperature sensor, a humidity sensor and an air pressure sensor,and the three sensors are all arranged in an inner cavity; a preset key is arranged on the control panel and is connected with a preset module; and the alignment execution module controls a humidifier, a heater and a micro sucking pump which are all mounted in the case. The humidity, the temperature and the air pressure of the steaming and baking oven are monitored in real time, and the humidity,the temperature and the air pressure of the steaming and baking oven are adjusted in real time according to the detection parameters and the preset parameters, so that the humidity, the temperature and the air pressure meet the preset requirements in the whole steaming and baking process, and the steaming and baking effect is improved; and one-key control is achieved, and great convenience is achieved.
Owner:浙江蓝炬星电器有限公司

Leaf cleaning roller component for sugarcane combine

The invention relates to a leaf cleaning roller component for a sugarcane combine. The leaf cleaning roller component comprises a rotating shaft and a leaf cleaning roller, wherein multiple rows of leaf cleaning blades are fixed on the outer circumference surface of the leaf cleaning roller along the axial direction; the leaf cleaning roller is symmetrically divided into an upper half roller and a lower half roller by taking the rotating shaft as an axis; the upper half roller and the lower half roller are fixedly connected through a bolt; semicircular flange plates are respectively arranged at two ends of the upper half roller and the lower half roller; the upper and lower two semicircular flange plates are folded to form a whole circular flange plate; V-shaped key grooves are respectively formed in circle center positions of the semicircular flange plates; diamond key grooves are formed in the center of the folded whole circular flange plate; positioning keys matched with the diamond key grooves are formed in positions, which correspond to the diamond key grooves, of two ends of the rotating shaft. The leaf cleaning roller component is ingenious in structural design, can be independently detached and mounted by a person and is not needed to be debugged after being accurately positioned and assembled, and wear on parts due to repeated assembly and disassembly is extremely slight.
Owner:GUANGXI UTS AGRI SCI & TECH

Die-cutting machine applicable to printing products of different widths

The invention discloses a die-cutting machine applicable to printing products of different widths. The die-cutting machine comprises a feeding device, a feedstock regulating device, a die fixing device and a discharging mechanism. The printing products sequentially pass through the feeding device, the feedstock regulating device, the die fixing device and the discharging mechanism. By adoption of the die-cutting machine, the printing products of the different widths can be automatically fed, the positions of the printing products are precisely regulated, die mounting and dismounting are simplified, and the printing products are stably stacked on a holding rack when being discharged.
Owner:长兴理光包装印刷股份有限公司

A kind of recycling method of waste lithium iron phosphate battery cathode material

The invention provides a method for recycling a positive electrode material of a waste lithium iron phosphate battery, comprising the steps of: discharging the waste lithium ion battery, and separating the positive and negative electrode mixed powder, the battery shell, the copper foil, the aluminum foil and the diaphragm by a physical method; Add the separated positive and negative mixed powder into NaOH solution to dissolve, remove the residual Al element, and then put it in a certain concentration of organic acid solution to leach Li, Fe and PO. 4 3‑ , filter to remove insoluble graphite, separate the positive electrode material and negative electrode graphite material, and recycle the negative electrode material after purification; then add lithium source, iron source or phosphorus source according to the element ratio of the measured leachate to make Li:Fe:PO 4 3‑ The molar ratio is 1-1.05:1:1; then spray pyrolysis is carried out under a certain temperature condition and an inert gas atmosphere to obtain a carbon-coated lithium iron phosphate material. The invention simplifies the dismantling method, has high leaching efficiency, does not introduce impurity elements, and discharges waste gas mainly as CO 2 , which is conducive to industrialized large-scale production.
Owner:SHENZHEN QINGYAN EQUIP TECH CO LTD

Shaft sinking tubular steel derrick

The invention relates to a shaft sinking tubular steel derrick. The shaft sinking tubular steel derrick is of a flat-topping pyramid with a full-symmetric main body truss and comprises a main support rod, a sheave wheel platform, an intermediate platform, a strike turning platform, support rods and the like, wherein the sheave wheel platform, the intermediate platform and the strike turning platform are connected to the main support rod from top to bottom; the support rods correspond to three layers of platforms; the sheave wheel platform is arranged in a shape like a Chinese character 'ri'; the 'ri'-shaped middle is of a double-beam structure; the support rod of the sheave wheel platform is arranged in an inverted V-shaped shape and is connected with center nodes on four sides of the sheave wheel platform and nodes at four corners of the intermediate platform; and the axis of the support rod of the intermediate platform is superposed with an axial extension line of the support rod of the strike turning platform to form an inverted V-shaped arrangement for connecting center nodes on four sides of the intermediate platform with an intersection point of the main support rod and a derrick footing. The shaft sinking tubular steel derrick is suitable for a vertical shaft with the net diameter being 7-11m, the average depth being not more than 1800m and the work load of the derrick being not more than 620t as well as second-stage construction of projects; the processing, transporting, mounting and dismounting steps are simplified; and the shaft sinking tubular steel derrick is stronger in adaptability and provides reliable guarantee for quick construction and work period shortening.
Owner:JCHX MINING MANAGEMENT

Water purifier

The present invention provides a water purifier, which comprises a support housing, a support plate connected with the support housing, and a filtration core connected on the support plate in a snapping manner, wherein the support plate and the support housing are connected through a hanging plate, and the hanging plate comprises a snapping connection part and an installation part connected with the snapping connection part, wherein the snapping connection part is connected with the support plate in a snapping manner and can make the support plate rotate so as to make the filtration core rotate toward the direction far away from the support housing, and the installation part and the support housing are fixedly connected. According to the water purifier of the present invention, the support plate and the hanging plate form the snapping connection, and the support plate can rotate inside the snapping connection part, such that the operation space required by the filtration core disassembly can be obtained through the rotations of the support plate and the filtration core, and the operation space for replacing the filtration core is not required to be reserved on the support housing so as to reduce the volume of the support housing, such that the size of the whole water purifier is reduced, and the occupation space of the water purifier is reduced; and the installation and the disassembly of the water purifier are simplified, the production efficiency of the water purifier is improved, and the after-sale maintenance of the water purifier is convenient.
Owner:GREE ELECTRIC APPLIANCES INC

Assembly type air supplly device of drying equipment

The embodiment of the invention discloses an assembly type air supplly device of drying equipment. The device comprises a drying machine main body, wherein the drying machine main body is provided with an air supply gate plate, the air supply gate plate is mounted on the drying machine main body through a self-disassembling device, a locking device used for fixing the air supply gate plate is arranged on the drying machine main body, and at the same time, a fall preventing device is arranged between the air supply gate plate and the drying machine main body; and the self-disassembling device comprises two self-disassembling slots arranged at the two sides of the drying machine main body and two self-disassembling plug plates arranged at the two sides of the air supply gate plate, the two self-disassembling plug plates separately correspond to the two self-disassembling slots, included angles are formed between the self-disassembling slots and a horizontal plane, and the detachable installation of the air supply gate plate is realized. The disassemlby and installation steps of the air supply gate plate are simplified, and automatic disassembly also can be realized. As the disassembly step of the air supply gate plate is further simplified, the labor intensity of workers is reduced, a disordered disassembly site is avoided, the site is more tidy and ordered, and the disassembly efficiency is increased.
Owner:BEIJING NEW BUILDING MATERIALS PLC

Industrial environmental protection equipment for biological pollutants

The invention discloses biological pollutant industrial environmental protection equipment which comprises an equipment body, a cavity is formed in the equipment body, a filter screen is arranged in the cavity, a clamping plate is arranged on one side of the filter screen, a pressing block is arranged in the clamping plate, spring grooves are formed in the two sides of the pressing block, and extension springs are arranged in the spring grooves. A first telescopic rod is arranged in the extension spring, a second telescopic rod is arranged at the bottom of the first telescopic rod, and a fixing plate is arranged on the side, away from the clamping plate, of the filter screen. According to the biological pollutant industrial environmental protection equipment, by arranging the clamping plates and the fixing plates, the purposes of facilitating replacement of a filter screen, simplifying disassembly and assembly of the filter screen, reducing the working intensity of workers and improving the working efficiency can be achieved, by arranging a dust collection box, a bearing and an air pipe, the application range of the equipment can be expanded, and the practicability is high. And dust in the equipment can be conveniently cleaned, and the practicability is enhanced.
Owner:山东高洁环保科技有限公司

Combined isolating switch

The invention discloses a combined isolating switch, and relates to the technical field of electrical equipment. Comprising an operating mechanism and a contact switch detachably connected with the operating mechanism. The operating mechanism comprises a first shell and a driving piece arranged in the first shell; the contact switch comprises a second shell and a linkage assembly arranged in the second shell; wherein the first shell is detachably connected with the second shell, and the driving piece is detachably connected with the linkage assembly. The structure of the isolation switch can be simplified, the dismounting form is simplified, and the dismounting efficiency is improved.
Owner:SHANGHAI LIANGXIN ELECTRICAL

Guide profile and conveyor system

The present invention discloses guide profile and a conveying system. The conveying system is designed with a guide profile of this type. A slide bar of the guide profile is provided with an articulated leg so that it is possible to change the slide bar on the already installed conveying system.
Owner:ROBERT BOSCH GMBH

Recycling method of positive and negative mixed materials of waste ternary lithium ion battery

The invention provides a method for recycling the positive and negative mixed materials of waste ternary lithium-ion batteries, comprising the steps of: disassembling the waste lithium-ion batteries after discharge to obtain mixed powder of nickel-cobalt lithium manganese oxide positive electrode and silicon-carbon negative electrode, battery casing, Copper foil, aluminum foil and diaphragm; the mixed powder and carbonate are ball-milled and then roasted to recover the CO generated during the reaction 2 ; Put the calcined mixture into the dilute alkali solution and filter it, then pass it into CO 2 , the silicon and aluminum in the filtrate are separated, the filter residue is dissolved in acid, and the Li in the filter residue is leached + 、Ni 2+ 、Co 2+ , Mn 2+ and Cu 2+ , after filtering to remove graphite, recover negative electrode material carbon by solid phase method; add sulfide to the leaching solution, adjust the pH value to remove impurity copper, and then prepare nickel-cobalt-manganese hydroxide ternary precursor by co-precipitation method; CO 2 Pass into the filtrate, heat up, concentrate and crystallize to prepare lithium carbonate. The invention has a simple process, can realize the recovery of all components of the nickel-cobalt lithium manganese oxide positive electrode and the silicon-carbon negative electrode mixed material, has low cost, high recovery rate, and the resources can be recycled.
Owner:SHENZHEN QINGYAN EQUIP TECH CO LTD

Scaffold construction method, scaffold connection structure and wall connecting piece

The invention discloses a wall connecting piece. The wall connecting piece includes a fastener, a connecting body with one end used for being fixedly connected with a scaffold, and a metal plate withone end used for being pre-buried into a wall body; a mounting hole is formed in the other end of the metal plate; and the mounting hole is detachably connected to the connecting body through the fastener. The invention further discloses a scaffold connection structure. The scaffold connection structure includes the wall connecting piece. The invention further discloses a scaffold construction method applying the wall connecting piece or the scaffold connection structure. According to the wall connecting piece, the metal plate is adopted to replace a second steel pipe pre-buried into the wallbody in the prior art. The metal plate is of a solid structure, takes up a little space when pre-buried into the wall body, and has little impact on construction of the wall body; when the scaffold isconnected, the mounting hole and the fastener are detachably connected, and operation is easy and convenient; when the scaffold and the wall body are removed, the metal plate and the connecting bodyare unlocked through the fastener, then the metal plate is cut off in a mode of being attached to the wall surface, the metal plate does not need to be plugged after cutting off, disassembly is facilitated, and the construction cost can also be lowered.
Owner:THE FOURTH OF CHINA EIGHTH ENG BUREAU

Simple and easy organic chemical synthesis operation system

InactiveCN107218511AFlexible moving processAvoid fragile and explosive hazardsPipeline systemsChemical synthesisTemperature control
The invention relates to a simple and easy organic chemical synthesis operation system. The system is characterized in that a set of van type whole device which consists of an outer frame, an air inlet, a first valve, a pressure gauge, a first valve, a pipeline, a second valve, a drying column, a deoxidization column, a thermal couple, a temperature controller, a power indicator lamp and an air outlet. The system has the advantages that an overall design of a stainless steel shell is adopted, so that the device is safer, and the van size is small so that the flexible movement can be ensured; 2, by adopting the drying column and the deoxidization column made of the stainless steel materials, the danger of fragile and flammable drying and deoxidization columns of conventional glass can be effectively avoided; 3, by adopting the internally-arranged thermal couple and the temperature controller device, the temperature for activation and regeneration of the dehydrated and deoxidization columns can be accurately controlled; because valves are arranged on many parts of the pipeline, and by controlling valve switches, columns are activated directly under a condition of not dismounting.
Owner:JIANGSU ZICHEN EDUCATION EQUIP
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