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2073results about How to "Easy to disassemble and clean" patented technology

Vertical sheet filter

The invention belongs to the technical field of water treatment, and specifically relates to a vertical sheet filter. The vertical sheet filter comprises a water outlet, a housing, an effluent weir, a side splitter, a guide rail, an emptying port, a dolly, a backwashing component, a filtering component, a water header, a water inlet and a sludge chamber. The water inlet, the water outlet and the emptying port are respectively arranged under the housing; the sheet filtering component is vertically arranged in the housing; the dolly is arranged on a dolly guide rail on top of the housing and can move on the guide rail; a dredge pump is fixed under the dolly; one end of a dredge tube is on two sides of the sheet filtering component, and the other end is connected to the dredge pump through a dredge header tube; and a spoil disposal plate with a certain gradient is arranged at the housing bottom. Because of usage of a light filter material and valve-free operation, the invention has characteristics of large filtering area, low filtering load, small backwashing water consumption, flexible system configuration, low energy consumption, small land occupation, simple operation and maintenance and high degree of automation, and can be combined with routine water treatment technology to realize a higher purifying efficiency.
Owner:上海安鼎济水处理科技有限公司

Multi-spray-head electrostatic spinning device

The invention provides a multi-spray-head electrostatic spinning device, and relates to an electrostatic spinning device. The multi-spray-head electrostatic spinning device is provided with a controllable injection device, a liquid guide pipe, a liquid distribution device, a high-voltage power supply, an upper layer gas hood, a lower layer gas hood, a curved surface electrode plate, spinning spray heads, an adapter, a lower layer gas guide pipe, an auxiliary pressure regulating valve, an auxiliary gas pump, an upper layer gas guide pipe, a pressure regulating valve, a gas pump and a receiving device. The batch continuous spinning is carried out through the spray heads, double layers of auxiliary gas flows are introduced, the electrostatic spinning speed is accelerated through the drawing force of the upper layer of auxiliary gas flows, the electrostatic spinning efficiency is improved, the nanometer fiber is refined, and the electro-spinning nanometer fiber diameter is reduced. The uniform distribution of the electro-spinning nanometer fiber on a collecting plate is promoted through the lower layer of auxiliary gas flows, the thickness uniformity of a nanometer fiber membrane is improved, the quality of the electrostatic spinning nanometer fiber is improved, charges at the jet flow surface can be carried away, the surface charge density is reduced, and the electrostatic interference among the jet flows is reduced. The electric field concentration phenomenon and the electrostatic interference can be reduced, the spray heads are convenient to dismount, clean and replace, and the operation and the control are easy.
Owner:XIAMEN UNIV

Fluidized bed type jet milling and modifying system and application thereof

The invention discloses a fluidized bed type jet milling and modifying system and application thereof. The fluidized bed type jet milling and modifying system comprises an air compressor, a heater, a jet milling and grading device, a cyclone separator, a bag collector, an induced draft fan and an atomizing nozzle. The jet milling of powder material carried by hot air is conducted; the atomizing nozzle is used for atomizing a surfactant solution and then injecting the surfactant solution into a milling cavity; the hot air is used for drying the material continuously and simultaneously providing a certain environment temperature for the coating reaction of surfactants on the surface of the material, so that the surfactants are relatively liable to crosslink and form films on the surfaces of powder particles, thereby achieving the effect of milling and modifying simultaneously. An integrated process for milling and modifying ultrafine powder is provided; the fluidized bed type jet milling and modifying system is mainly used for solving the agglomeration phenomenon caused by increase of surface energy of the powder in the ultra-fining process; the fluidity of the powder is improved, so that the high operational performance of the powder can be retained.
Owner:INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS +1

Water-cooled easy-to-clean laser output head with function of output light path and light extraction power detection

The invention provides a water-cooled large power optical fiber laser output head with the function of output light path and light extraction power detection. The laser output head comprises a metal inner sleeve. A mode stripping unit, an expansion beam unit and an optical fiber are arranged in the metal inner sleeve. The laser output head comprises a metal outer sleeve which sleeves the outer surface of the metal inner sleeve. A cooling water passage is formed by cooling water guide grooves on the inner surface of the metal outer sleeve and the outer surface of the metal inner sleeve. The detachable pin of a photosensitive thermosensitive sensor is arranged in the laser output head. The detachable pin is inserted into the second end of the metal inner sleeve. The optical fiber is connected with the light path of the expansion beam unit, and then passes through the mode stripping unit and the detachable pin in turn. According to the invention, the laser output head is divided into the metal inner sleeve and the metal outer sleeve; the important and fragile transmission optical fiber, the expansion beam unit and the mode stripping unit are all enclosed in the metal inner sleeve of the output head; and when a cooling pipeline is blocked, the laser output head can be easily disassembled and cleaned without damaging an internal optical unit.
Owner:GW (SHANGHAI) LASER TECH CO LTD

Full-automatic concrete mixing equipment capable of realizing proportioning

The invention discloses full-automatic concrete mixing equipment capable of realizing proportioning. The full-automatic concrete mixing equipment is characterized in that a bottom frame is fixedly connected to the bottom end of a mixing drum, a discharging opening is fixedly connected to the position, corresponding to the top of the bottom frame, of the outer end of the mixing drum, a gravel feeding mechanism is fixedly connected to one side of the top end of the mixing drum, the other side of the top end of the mixing drum is fixedly connected with a cement feeding mechanism, the side edge ofthe outer end of the mixing drum is fixedly connected with a water control mechanism, and a stirring mechanism is embedded inside the mixing drum. The equipment is scientific and reasonable in structure and safe and convenient to use; the gravel feeding mechanism is arranged, a rotating motor drives first rotating rods to rotate, and through cooperation of transmission gears, two first rotating rods drive two rough grinding rollers to rotate together to crush gravel, and meanwhile, through belt transmission, the two first rotating rods drive the two second rotating rods to rotate together, sothat the two fine grinding rollers are driven to rotate, and the gravel and cement mixing effect is improved.
Owner:李彦红

Fabricated type building automatic grouting equipment and method

The invention relates to fabricated type building automatic grouting equipment and method. The grouting equipment includes a grouting machine and a grout replenishing device; the grouting machine includes a base frame, a grouting pump is arranged on the base frame, a material bin is connected to the inlet end of the grouting pump, and a grouting pipeline is connected to the outlet end of the grouting pump for the outlet end of the grouting pump communicating with a grouting opening of a grouting sleeve conveniently; the grout replenishing device comprises a vertical grout replenishing main cylinder body, and a communicating pipe is arranged at the lower end of the grout replenishing main cylinder body for the lower end of the grout replenishing main cylinder body communicating with a groutoutlet of the grouting sleeve conveniently; a pressurizing mechanism is arranged at the upper end of the grout replenishing main cylinder body for providing additional grout replenishing pressure besides gravity grout replenishing during grout replenishing; the grout replenishing main cylinder body is further provided with a liquid level sensor for detecting the liquid level height of a groutingmaterial entering the grout replenishing main cylinder body; and the base frame is provided with a controller, and the controller is in signal connection with the liquid level sensor and is connectedwith the grouting pump in an electronic control mode for controlling starting and stopping of the grouting pump according to detection signals of the liquid level sensor. The fabricated type buildingautomatic grouting equipment and method have the effects that construction can be more convenient, and grouting quality can be effectively guaranteed.
Owner:CHINA METALLURGICAL CONSTR ENG GRP

Indoor air purifying device based on low-temperature plasma

The invention discloses an indoor air purifying device based on low-temperature plasma. The indoor air purifying device comprises a shell; inside the shell, a fan, a primary filter screen, a low-temperature plasma reaction device and an adsorptive catalytic layer are sequentially arranged from a base plate to a top face cover; the low-temperature plasma reaction device comprises an insulating bracket; a plurality of low-temperature plasma discharging units are mounted on the insulating bracket; each low-temperature plasma discharging unit comprises an outer layer metal cylinder, an inner layer insulating cylinder and a plurality of metal corona wires; the outer layer metal cylinders and the inner layer insulating cylinders are arranged in parallel at intervals; the metal corona wires are arranged in parallel on the sidewall of each inner layer insulating cylinder; the metal corona wires are connected with the high-voltage end of a power supply; each outer layer metal cylinder is connected with the ground terminal of the power supply; a reaction chamber is formed between the metal corona wires and the outer layer metal cylinders. The indoor air purifying device disclosed by the invention is simple and compact in structure, low in wind resistance, large in air treatment capacity, capable of purifying indoor particulate matters, gaseous pollutants, bacteria, viruses and the like, also high in purification efficiency and good in practicability.
Owner:XI AN JIAOTONG UNIV

Thermophoretic air purifying device and method

ActiveCN103349879AImprove filtering effectImprove air filtration efficiencyParticulatesAir filter
The invention discloses a thermophoretic air purifying device and a thermophoretic air purifying method, and belongs to the technical field of air purification. In a principle of a thermophoretic technology, a stable temperature gradient is artificially created, so that particles in air in a temperature field are enabled to change the motion tracks under the action of a thermophoretic force, are attached to a low-temperature surface and are removed. The thermophoretic air purifying device comprises a shell, a thermophoretic dust tube and a blower, wherein through forced ventilation or thermal pressure ventilation of the blower, air flows through the thermophoretic dust tube and is filtered. Through theoretical calculation, software simulation and real object production test, the thermophoretic air purifying device is proved to have the characteristics of greenness, environment friendliness, no secondary pollution, low resistance, high efficiency of an air filtering device and the like and has a very good filtering effect on fine particles; the average one-pass efficiency of PM 2.5 is nearly 40%, and the highest one-pass efficiency can be as high as 60%; and the thermophoretic air purifying device is simple in structure, and thermophoretic dust tube is convenient to detach for cleaning, so that the maintenance cost is low.
Owner:TSINGHUA UNIV

Secondary filtering type air purification device

The invention provides a secondary filtering type air purification device, and belongs to the field of environmental protection purification. A dustproof net cover is arranged on the outer side of a suction ventilator. A filter device is arranged in an inner cavity of a primary purification box. An ultraviolet sterilizer is arranged at the right end of the inner cavity of the primary purification box. Disinfection plates are arranged on the left side in a disinfection cavity. An ultraviolet sterilization lamp is fixedly arranged on the left side in a purification cavity. The lower end of an air outlet pipe is connected with an exhaust net through a telescopic air pipe. According to the device, a casing pipe is arranged on the right side of an inner cavity of the disinfection cavity, a sealing cover is arranged on the casing pipe, clear water and disinfection liquid can be added by opening the sealing cover, and the dual functions of washing dust removal and disinfection on gas are achieved; an activated carbon adsorption layer is arranged on the right side in the purification cavity, and the function of carrying out absorbent purification on the treated gas again is achieved; and the device has the beneficial effects of being simple in structure, high in practicality and good in purification and disinfection effect.
Owner:ZHENGZHOU CHENGHE INFORMATION TECH CO LTD

Kitchen lampblack discharge system

The invention provides a kitchen lampblack discharge system which has good effect and is convenient to maintain. The kitchen lampblack discharge system comprises a range hood, a check valve, a smoke discharge pipe and a public flue, wherein the smoke discharge pipe is directly and hermetically connected with the public flue, the check valve comprises a vertical pipe which is internally provided with a circular valve plate, the valve plate is rotatably supported on the pipe wall of the vertical pipe by virtue of a transverse shaft which radially penetrates through the valve plate, and the pipe wall of the vertical pipe is provided with a blocking point; when the valve plate is in a horizontal state, the edge of the valve plate is depressed on the blocking point, a weight gain plate is fixed on the valve plate which is located above the blocking point and is close to the blocking point, the upper end and lower end of the vertical pipe are respectively sleeved on the lower end of the smoke discharge pipe and the air outlet of the range hood. In the invention, the check valve is additionally arranged between the air outlet of the range hood and the smoke discharge pipe, and the check valve is connected with the air outlet of the range hood and the smoke discharge pipe in a dismountable way, so as to be convenient to dismount and clean.
Owner:王惠蕾

Boiler flue gas afterheat recycling device

The invention discloses a boiler flue gas afterheat recycling device. The boiler flue gas afterheat recycling device comprises a tank body; the middle part of the bottom end of the tank body is provided with a mounting hole; the inside of the mounting hole is in threaded connection with a sealing cover; one side of the top end of the tank body is fixedly connected with a filter tank; one side of the top end of the tank body is fixedly connected with a filter tank; the middle part of the top end of the tank body is fixedly connected with a draught fan; one side of the filter tank is fixedly connected with the draught fan through a connecting pipe; the left side of the bottom of the filter tank is movably hinged with a cover plate through a connecting lug; one side of the cover plate is fixedly connected with an air charging pipe; and the top of the cover plate is fixedly connected with a locking sleeve. The boiler flue gas afterheat recycling device can be used for heating cold water inside a heat accumulating tube so that the afterheat in flue gas can be recycled, and the resource utilization rate is increased; a servo motor is used for driving a screw to rotate so that a crossbeamis used for driving a cleaning brush to move horizontally, thus the dust on the surface of the heat accumulating tube can be cleared; and reduction of heat exchange efficiency caused by dust accumulation can be prevented.
Owner:丁昌林

Fixed tube-sheet tubular heat exchanger detached to wash

The invention discloses a fixed tube-sheet tubular heat exchanger detached to wash. An upper head (7) and a lower head (12) are connected to the top and bottom of a cylinder (1) respectively to form a heat exchanger body. An upper main tube sheet (3) and a lower main tube sheet (15) are arranged between the cylinder (1) and the upper head (7) as well as between the cylinder (1) and the lower head (12) respectively. A plurality of upper auxiliary tube sheets (8) are disposed on the upper main tube sheet (3). A plurality of lower auxiliary tube sheets (18) are arranged on the lower main tube sheet (15). The upper auxiliary tube sheets (8) and the lower auxiliary tube sheets (18) are paired. Center connecting lines for the paired upper and lower auxiliary tube sheets (8) and (18) are parallel to the center line of the cylinder (1). The upper auxiliary tube sheets (8) are connected with the upper main tube sheet (3) through bolts (9). The lower auxiliary tube sheets (18) are connected with the lower main tube sheet (15) through bolts (21). Auxiliary tube-sheet heat exchange tubes (2) are connected between the paired upper and lower auxiliary tube sheets (8) and (18). The fixed tube-sheet tubular heat exchanger detached to wash is simple and compact in structure, capable of bearing higher load, low in manufacturing cost, available for detachment to wash and suitable for tube side and shell side positions which easily scale and require washing.
Owner:JIANGSU KESHENG CHEM MACHINERY

Concrete mortar spurting truck

The invention discloses a concrete mortar spurting truck comprising a truck body, a rotating system, a rotary table, a boom assembly, a hydraulic system, a pumping system, a pump pipe assembly, a rapid solidifying system, a cleaning system, an electric system, an air compressor system and a spray head assembly, wherein the truck body comprises an underpan and an auxiliary frame; the hydraulic system is connected with the rotating system, the rotating system is connected with the rotary table, the rotary table is connected with the boom assembly, and the boom assembly is connected with the spray head assembly; the rotary table is arranged in the front of the auxiliary frame, and the pumping system is arranged at the tail of the auxiliary frame and is connected with the spray head assembly through the pump pipe assembly; the air compressor system is connected with the spray head assembly; the rapid solidifying system is connected with the spray head assembly; the electric system is connected with the pumping system, the rapid solidifying system and the hydraulic system; and the rotating system, the rapid solidifying system, the cleaning system and the electric system are all arranged on the auxiliary frame. The pumping resistance of the concrete mortar spurting truck is low, the pipe distribution way of hydraulic pipelines is improved, and protecting parts such as covering parts are added, so that the protective properties are high.
Owner:HUNAN PENGXIANG XINGTONG AUTOMOBILE CO LTD

Pest trap device for agricultural use

ActiveCN111066755AAvoid the problem of poor trapping effectHeight adjustableInsect catchers and killersAgricultural engineeringPower grid
The invention discloses a pest trap device for agricultural use. The pest trap device for the agricultural use comprises a base; connecting ears are fixedly connected with both sides of the base; threaded slots are formed in inner walls of one sides of the connecting ears; rotating shafts are movably connected with the interiors of the connecting ears by bearings; cylindrical blocks are fixedly connected with middle parts of the rotating shafts; clamping slots are formed in middle parts of the cylindrical blocks; threaded columns are in threaded connection with the threads inside the threadedslots; the top of the base is fixedly connected with a fixed sleeve rod; and guide rods are formed in inner walls on both sides of the fixed sleeve rod. According to the pest trap device for the agricultural use, a bolt is screwed so as to have a push block extruded by a tapered block, so that a limit rod enters the interior an arcuate groove, thereby realizing quick installing and fixing so as toprevent shaking caused by external force during use; when the bolt is anticlockwise screwed, disassembly can be realized under the action of a second spring; and, a movable rod is pushed so as to beseparated from an insertion hole, thereby allowing disassembly of a power grid, so that replacing and cleaning are facilitated.
Owner:邢全姐 +2
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