36results about How to "Reduce handling difficulties" patented technology

The invention relates to a method for recovering lead from lead plaster of waste lead-acid battery, belonging to the recovery treatment technology of the waste lead-acid battery. The method comprises the following steps: carrying out crushing, sorting and rinsing on the waste lead-acid battery by using a special crusher, respectively and independently recovering and utilizing lead or lead alloy grid plate and organic matters, mixing electrolyte, washing liquor and lead paste, placing the mixture into muffle furnace for roasting; carrying out chloridizing leaching on the roasted sand in leachate consisting of sodium chloride, calcium chloride and hydrochloric acid; after chloridizing leaching, carrying out press-filtering, carrying out concentrated treatment on the filter residue, carrying out sharp quenching on the filter liquor to room temperature and standing; after the precipitation is finished, carrying out filtration, returning chloridizing leaching to the filtrate, and obtaining filter residue which is the final product, namely lead chloride. The method is characterized by simple and easy technique, more common and cheaper materials used and equipment, cycle use for chloridizing leaching solution and having no pollution.

The invention discloses a method for stripping an iron-loaded P2O4 organic phase and removing iron from strip liquor, and belongs to the technical field of hydrometallurgy. The method comprises the following steps: (1) mixing an oxalic acid solution serving as a stripping agent with the iron-loaded P2O4 organic phase, and performing reverse-flow stripping at the temperature of 20-40 DEG C to obtain iron-rich strip liquor and a blank P2O4 organic phase; (2) performing photodecomposition on the iron-rich strip liquor by means of solar radiation to precipitate and remove iron, or adding iron powder into the iron-rich strip liquor under heating and stirring conditions to remove iron by means of reductive precipitation; (3) filtering precipitated and iron-removed materials to separate a solid phase and a liquid phase out; (4) replenishing oxalic acid into the separated liquid phase, namely, an iron-poor oxalic acid solution, returning to the step (1) for recycling, and recycling the solid phase in the form of a ferrous oxalate product. The method is free from acid mist pollution in the operating environment, and has the advantages of simple process, no discharge of waste residues or waste liquor, high efficiency, environmental friendliness and high practicability.

The invention provides a construction reinforcing structure for a high-space large-span section steel concrete structure beam hanging mold and a construction method thereof. The construction reinforcing structure is characterized by comprising a prefabricated structural steel beam which is fixed on a construction site, a beam bottom die, a beam side template and a wooden square column which are preliminarily installed in-place, a plurality of hook head screws are welded and suspended at the bottom of the prefabricated steel beam lower flange plate, a gap inner template between the bottom of the hook head screws and the wooden square column on the bottom of the template, a longitudinal steel pipe and a fastener are used for fixedly suspending a U-shaped splicing channel steel, secondary reinforcement is carried out on the beam bottom die by utilizing a transverse steel pipe constructed by the beam bottom of the steel concrete structure beam, the two ends of the drawing rib are transversely and originally designed in the structure to conduct secondary reinforcement on the side die formworks on the two sides of the section steel concrete structural beam, and the purpose of reinforcingthe bottom die and the beam side die of the beam of the steel concrete structure is achieved. According to the construction method, the construction quality of the high-space large-span section steelconcrete structure beam hanging mold construction is improved, the engineering cost is reduced, and the safety of construction operation is ensured.

The invention relates to a waste gas treatment method, and mainly solves the problems that the consumption of washing water is big and the waste water after washing is hard to treat in the prior art. Through applying the waste gas treatment method, EO/PO containing waste gas enters an one-effect waste gas absorbing tower T-101 to absorb; the waste gas at the tower top part enters an one-effect cooler E-101 after being absorbed and cooled by circular water; the cooled material enters a liquid separating tank V-101 to separate, the separated liquid phase is mixed with tower kettle liquid of the one-effect waste gas absorbing tower T-101 and then enters an one-effect hydration reactor R-101 to react, EO/PO in the waste water is removed through catalyst and hydration; the barren solution after reaction is back-flowed to the tower roof of the one-effect waste gas absorbing tower T-101 after passing through a preheater H-101 and a lithium bromide freezing machine U-101. The technical scheme well solves the problem, and can be used for treating the ethylene oxide-containing/ propylene epoxide waste gas.

The invention discloses a plug-in cable joint for temporary laying. The plug-in cable joint comprises a male plug and a female plug which are matched with each other; one end of the male plug is sequentially provided with a first copper nose, a limiting ring section, an outer thread ring, an inner transition ring, a contact finger groove and a conical plug; a nut, an outer transition ring, an elastic sheet metal contact finger, a conical socket and a second copper nose are sequentially arranged at one end of the female plug; the nut can slide on the outer transition ring of the female plug; and the nut is in threaded connection with the outer threaded ring of the male plug. According to the invention, the male plug and the female plug are respectively installed on two cables; in use, the male plug of one cable is inserted into the female plug of the other cable; and finally the nut and the outer thread ring are rotated to perform threaded connection to lock the two cables, so that theconnected cables can be in full contact with each other, have mechanical capacity and are not easy to break, the recovery time during temporary laying is shortened, and the working efficiency is improved.

The invention discloses a novel movable PLC control cabinet. The novel movable PLC control cabinet is characterized by comprising a control cabinet body (1), wherein a power meter (2) is arranged at the upper part of the control cabinet body (1); a work early warning lamp (3) is arranged under the power meter (2); an intelligent display device (4) is arranged under the work early warning lamp (3);an electric control group (5) is arranged at the lower part of the control cabinet body (1); wheels (6) are arranged at the bottom of the control cabinet body (1); and a brake (7) is arranged near each wheel (6). The novel movable PLC control cabinet has the beneficial effects that the novel movable PLC control cabinet is reasonable in design and simple in structure. When the novel movable PLC control cabinet works, an expected effect is reached, the carrying difficulty is greatly reduced during moving, and the wheels are quicker and more convenient to dismount.

The invention discloses a novel heat-dissipation programmable logic controller (PLC) control cabinet. The novel heat-dissipation PLC control cabinet is characterized by comprising a control cabinet body (1), wherein a power meter (2) is arranged on the control cabinet body (1), a working early-warning lamp (3) is arranged under the power meter (2), an intelligent display (4) is arranged under theworking early-warning lamp (3), an electrical control group (5) is arranged at a lower part of the control cabinet body (1), wheels (6) are arranged at the bottom of the control cabinet body (1), anda heat-dissipation net (7) is arranged at a bottom layer of the control cabinet body (1). The novel heat-dissipation PLC control cabinet has the beneficial effects that the novel heat-dissipation PLCcontrol cabinet is reasonable in design and simple in structure; and an expected effect is achieved when the novel heat-dissipation PLC control cabinet works, the carrying difficulty is greatly reduced during carrying, and the novel heat-dissipation PLC control cabinet is more convenient and rapid by the detachable wheels.

The invention discloses a new type of low-voltage switchgear, which includes a low-voltage switchgear body (1), a power meter (2) is set on the upper part of the low-voltage switchgear body (1), and a working display lamp (3) is set under the power meter (2). ), set the smart display (4) under the working display light (3), set the switch (5) on the left and right sides of the smart display (1), set the wheels (6) at the bottom of the low-voltage switch cabinet body (1), and set the (1) Vents (7) are provided at the top and bottom, and a dust cover (8) is provided outside the vents (7). The beneficial effects of the invention are: the invention is reasonable in design and simple in structure. The new low-voltage switchgear will achieve the expected effect when it is working, and it will greatly reduce the difficulty of handling when it is moved, and the detachable wheels will be faster and more convenient.

The invention discloses a high-temperature-resistant anti-cracking concrete and a preparation method thereof. The preparation method comprises the following steps: dissolving a naphthalene water reducer in water, adding graphene, dispersing graphene to prepare a graphene solution, adding an EVA emulsion into the graphene solution, uniformly stirring, carrying out ultrasonic treatment to obtain a mixed solution, adding the mixed solution into concrete production equipment, adding nano titanium dioxide, nano silicon dioxide, nano carbon fibers, cement, fly ash, river sand and gravels into the mixed solution, uniformly mixing to obtain semi-finished product concrete, and finally performing ultrasonic treatment on the semi-finished product concrete to obtain the high-temperature-resistant anti-cracking concrete. The nano titanium dioxide, nano silicon dioxide and nano carbon fibers are added into the high-temperature-resistant anti-cracking concrete, the high-temperature-resistant performance and the compressive strength of the concrete are improved, by adding the graphene, the brittleness of cement is improved, the toughness of the concrete is improved, and therefore microcracks are reduced, and the durability of the concrete is improved.

The invention discloses a novel mechanical multifunctional tool cart, which comprises a mechanical multifunctional tool cart body (1), a handle (2) arranged beside the mechanical multifunctional tool cart body (1), and a mechanical multifunctional tool cart body (1). A drawer (3) is provided inside, and a cleaning nozzle (4) is arranged inside the drawer (3). A motor (5) is arranged at the bottom of the mechanical multi-function tool vehicle body (1), and a motor (5) is installed at the bottom of the mechanical multi-function tool vehicle body (1). Wheels (6) are set, and telescopic racks (7) are set on both sides of the drawer (3). The beneficial effects of the present invention are: the present invention has reasonable design and simple structure. The new mechanical multifunctional tool cart will achieve the desired effect when it is working, and it will greatly reduce the difficulty of handling when it is moved.

The invention discloses a novel dust-proof soft start control cabinet. The novel dust-proof soft start control cabinet is characterized by comprising a dust-proof soft start control cabinet body (1),power meters (2) are arranged on the upper portion of the dust-proof soft start control cabinet body (1), work early-warning lamps (3) are arranged under the power meters (2), an intelligent displayer(4) is arranged below the work early-warning lamps (3), cabinet doors (5) are arranged on the lower portion of the dust-proof soft start control cabinet body (1), a visual window (6) are arranged onthe upper portion of each cabinet door (5), wheels (7) are arranged on the bottom of the dust-proof soft start control cabinet body (1), and a filtering and dust-proof exhaust outlet (8) is formed inthe bottom of each cabinet door (5). The novel dust-proof soft start control cabinet has the advantages that the design is simple, and the structure is simple. During work, the novel dust-proof soft start control cabinet works can achieve expected effects, the moving difficulty is greatly reduced when the novel dust-proof soft start control cabinet is moved, and the novel dust-proof soft start control cabinet is more efficient and convenient to use due to the detachable wheels.

The invention discloses a novel automatic heat dissipation PLC control cabinet. The novel automatic heat dissipation PLC control cabinet is characterized by comprising a control cabinet body (1), a wattmeter (2) is arranged above the control cabinet body (1), a work prewarning lamp (3) is arranged below the wattmeter (2), an intelligent display (4) is arranged below the work prewarning lamp (3), an electrical control set (5) is arranged below the control cabinet body (1), wheels (6) are arranged at the bottom of the control cabinet body (1), an exhaust fan (7) is arranged at the bottom layer of the control cabinet body (1), and a motor (8) is arranged beside the control cabinet body (1). The novel automatic heat dissipation PLC control cabinet has the advantages of being reasonable in design and simple in structure. During work, the novel automatic heat dissipation PLC control cabinet achieves an expected effect, during carrying, carrying difficulty is greatly lowered, and the detachable wheels better facilitate carrying.

The invention discloses a novel mechanical maintenance tool trolley, which comprises a mechanical maintenance tool trolley body (1), a handle (2) is arranged beside the mechanical maintenance tool trolley body (1), and a drawer is arranged inside the mechanical maintenance tool trolley body (1). (3), set the wheel (4) under the mechanical maintenance tool car body (1), set the control brake (5) beside the wheel (4), set the ring key lock (6) on the drawer (3), and set it on the mechanical maintenance tool Double-layer steel plates (7) are arranged on both sides of the car body (1), and a top frame (8) is arranged in the top groove of the machine maintenance tool car body (1). The beneficial effects of the invention are: the invention has reasonable design and simple structure. The new mechanical maintenance tool cart will achieve the expected effect when it is working, and it will greatly reduce the difficulty of handling when moving. The detachable wheels will be faster and more convenient, and the setting of the brake will improve the stability and reliability of the tool cart.

The invention discloses a novel skid-proof soft start control cabinet. The novel skid-proof soft start control cabinet is characterized by comprising a skid-proof soft start control cabinet body (1),power meters (2) are arranged on the upper portion of the skid-proof soft start control cabinet (1), work early-warning lamps (3) are arranged under the power meters (2), an intelligent displayer (4)is arranged below the work early-warning lamps (3), cabinet doors (5) are arranged on the lower portion of the skid-proof soft start control cabinet body (1), visual windows (6) are arranged on the upper portions of the cabinet doors (5) respectively, wheels (7) are arranged on the bottom of the skid-proof soft start control cabinet body (1), and skid-proof sleeves (8) are arranged on the outer sides of the wheels (7) respectively. The novel skid-proof soft start control cabinet has the advantages of being reasonable in design and simple in structure. During work, the novel skid-proof soft start control cabinet can achieve expected effects, the moving difficulty is greatly reduced when the novel skid-proof soft start control cabinet is moved, and the novel skid-proof soft start control cabinet is more efficient and convenient to use due to the detachable wheels.

The invention discloses a wall saw cutting machine and a gearbox thereof. The wall saw cutting machine comprises a device main body; the device main body is composed of a motor, an upper base, a lowerbase and a bracket, wherein the bracket is positioned at one side of the lower base; the tail end of the bracket is provided with a handle; the bottom end of the lower base is provided with a movingwheel; one end of the moving wheel is provided with a fixing clamp; the upper side of the upper base is provided with a protective cover; the bottom end of the protective cover is rotationally connected with the upper base through a rotating shaft; the upper side of the upper base is provided with a fixing plate; the upper side of the fixing plate is provided with a motor; and the front end of themotor is provided with a gearbox; the front end of the gearbox is provided with a cutting blade, one side of the cutting blade is provided with a shell, the upper side of the motor is provided with amoving plate, and the upper side of the moving plate is provided with a rotating rod. According to the invention, the motor is clamped and fixed by the moving plate, the moving wheel can move, and the moving wheel is fixed by the fixing clamp, so the difficulty in use and transportation is reduced greatly.

The invention discloses a novel mechanical maintenance tool trolley, which comprises a mechanical maintenance tool trolley body (1), a handle (2) is arranged beside the mechanical maintenance tool trolley body (1), and a drawer is arranged inside the mechanical maintenance tool trolley body (1). (3), the wheel (4) is set under the machine maintenance tool car body (1), the control brake (5) is set beside the wheel (4), and the ring key lock (6) is set on the drawer (3). The beneficial effects of the invention are: the invention has reasonable design and simple structure. The new mechanical maintenance tool cart will achieve the expected effect when it is working, and it will greatly reduce the difficulty of handling when moving. The detachable wheels will be faster and more convenient, and the setting of the brake will improve the stability and reliability of the tool cart.

The invention relates to a sound control method and system based on human-computer interaction. The method comprises the following steps: injecting particles into a cavity of the sound tweezers equipment; collecting a chamber image, and synchronously transmitting the chamber image to a display terminal for display; acquiring expected displacement coordinates of a target particle through the display terminal, and transmitting the expected displacement coordinates to a control terminal; and calculating an excitation signal required by the interdigital transducer when the target particle is moved to an expected displacement coordinate through a control terminal by adopting a control algorithm, exciting the interdigital transducer to generate a corresponding sound field model through the excitation signal, and performing sound control on the target particle in the cavity. According to the method and the device, the particles in the complex environment can be accurately controlled in any scene, and the control difficulty caused by the environment complexity is reduced.