37results about How to "Reduce the hassle of handling" patented technology

The invention discloses a kitchen waste and waste water treatment integrated device and a method. The kitchen waste and waste water treatment integrated device comprises casing body which contains a water inlet and a sewage draining port, a classification system arranged at the position of the water inlet, a crushing system connected to the classification system, a dehydration system connected to the crushing system, a deodorizing and sterilization system connected to the dehydration system, an oil-water separating system connected to the deodorizing and sterilization system, an oil scraping system connected to the oil-water separating system, a filtration system connected to the oil-water separating system and a collection system; and the classification system, the crushing system and the oil scraping system are respectively connected to the collection system. The kitchen waste and waste water treatment integrated device employs the above structure, and can effectively classify and treat the metal waste, organic garbage, oil and waste water in kitchen waste water.

The invention relates to a treatment method of wastewater produced by cephalo synthetic drug manufacturing, which mainly comprises three parts, namely, aerobe catalytic oxidation, anoxia hydrolytic acidification and a membrane biological reactor; firstly, organic matters having better biodegradability in the wastewater are removed in a biological contact oxidation pond, then biological hydrolytic acidification is carried out in an anoxic pond, and then the wastewater flows into the membrane biological reactor to carry out final aerobic Bioremediation; the wastewater after the treatment passes through an ultrafiltration membrane in the membrane biological reactor and is pumped out by a pump and then discharged to an effluent pipe after reaching standards or recycled to the production technology; the membrane biological reactor consists of an aeration zone and a membrane filtering zone, wherein, the aeration zone carries out aeration by adopting a disc-shaped millipore aeration head, the ultrafiltration membrane is positioned in the membrane filtering zone, the organic matters in the wastewater after being treated with aerobe contact oxidation and anoxia hydrolytic acidification are basically biodegraded, the wastewater is pumped out through the ultrafiltration membrane, and microbes in the reactor are blocked in the reactor. The method has the advantages of simple technique, good effect of treating wastewater, small occupation area, and low treatment cost, and is especially suitable for the wastewater produced by the cephalo synthetic drug manufacturing.

The invention provides a wind, solar and bioenergy storage, supply, charging and gasification intelligence transport system. The system comprises a perovskite power generation film and a wind generating set. A moving vehicle runs on a traffic road, and a vehicle-mounted automatic telescopic intelligent pantograph is fixed to the top of the moving vehicle through an insulating terminal and screws.According to the beneficial effects of the system, photovoltaic ceilings are erected on roads and farmlands at two sides of the road to reasonably utilize the space, and the photovoltaic power generation can be carried out. Rain and snow can be shielded, and normal driving in severe weather can be guaranteed. An electric vehicle adopts a telescopic pantograph to supply power in real time, so thatthe driving time of the vehicle can be prolonged. The cruising ability is improved. The convenience is provided for unmanned aerial vehicle delivery. The long-distance delivery of the electric unmanned aerial vehicle is facilitated. The great development of the unmanned aerial vehicle logistics transportation industry is promoted. Thewaste of non-renewable resources is reduced, and the energy-saving and environment-friendly development is achieved. The photovoltaic power generation, the wind power generation, the hydrogen fuel power generation, the biogas power generation and the biomass powergeneration are combined. The energy can be reasonably utilized, and the energy utilization rate is increased.

The invention discloses a circulating spraying type ultraviolet Fenton oxidation organic waste gas treatment system and method. The treatment system comprises a spraying oxidation reaction chamber, an induced draught fan and a hydrogen peroxide adding device. An exhaust port is formed in the top of the spraying oxidation reaction chamber. A hydrogen peroxide inlet, a gas inlet and a Fenton reagent outlet are formed in the lower portion of the spraying oxidation reaction chamber. A Fenton reagent inlet is formed in the upper portion of the spraying oxidation reaction chamber. The induced draught fan is connected with the gas inlet. The hydrogen peroxide adding device is connected with the hydrogen peroxide inlet through a pressure pump. The Fenton reagent outlet is connected with the Fenton reagent inlet through a circulation pump. A Fenton reagent is contained in an inner cavity of the spraying oxidation reaction chamber. A spraying device is arranged on the upper portion in the inner cavity of the spraying oxidation reaction chamber and connected with the Fenton reagent inlet. A plurality of ultraviolet modulator tubes are arranged on the portion, above the liquid level of the Fenton reagent and below the spraying device, of the inner wall of the spraying oxidation reaction chamber. The ultraviolet modulator tubes are installed on the inner wall of the spraying oxidation reaction chamber in a parallel and crossed mode. The circulating spraying type ultraviolet Fenton oxidation organic waste gas treatment system and method are easy to operate, Fe2+ in the Fenton reagent is recycled, and the utilization rate of H2O2 is increased.

The invention relates to the technical field of electric power construction facilities, in particular to a safety protective fence for power construction equipment. The protective fence comprises stand columns, a base and fixing devices. Fixing plates are arranged inside the upper ends of the stand columns; solar devices are arranged at the tops of the fixing plates; the base is arranged at the bottom of the stand columns, the fixing devices are arranged at the lower ends of the uprights and the inner side of the base; Two first telescopic rods are arranged between the two stand columns. stabilizing devices are arranged on the front and rear sides of the first telescopic rod on the lower side; a groove is formed in the inner side of the base; a third telescopic rod is arranged at the top end of the groove; universal wheels are arranged at the bottoms of the third telescopic rods; According to the wind-resistant protective fence, by arranging the universal wheels, the protective fence can be conveniently transferred, the carrying trouble is reduced, by arranging the fixing devices and the stabilizing device, the wind resistance of the protective fence can be enhanced, so that the protective fence can be kept stable under the action of wind, the safety is improved, and the stability of the protective fence is improved.

The invention discloses a vomit containing device for the gastroenterology department. The device includes a housing, a water pump and a hopper; wheels are welded to the bottom of the housing, the water pump is installed on the inner side of the housing, a switch is installed on the housing, a vomit containing vessel is welded to the interior of the housing, and a plastic bag is arranged in the vomit containing vessel; a pressing ring is arranged on the top of the vomit containing vessel, a groove is formed in the bottom of the pressing ring, a water inlet pipe is installed on the lower surface of the water pump, a water outlet pipe is installed on the upper surface of the water pump, a limiting groove is formed in the top of the housing, an extracting piece is arranged on the hopper, a device cover is arranged on the upper surface of the hopper, and a motor is rotatably connected to the device cover and one side of the upper surface of the housing through a rotating structure; a non-contact button is installed on the upper surface of the device cover and used for sensing whether or not there are people approaching the device and controlling the device cover to be opened to enablewater to flow out when there are people approaching the device. Automatic removal of vomit can be achieved, and the vomit containing device has the advantages of being simple in structure, convenientto operate, clean and sanitary.

The invention belongs to the field of synthesis of organic matters with carbon rings and provides an improved propacetamol hydrochloride preparation process. The process comprises: 1) carrying out acylation reaction to synthesize 4-acetamido phenol chloracetate; 2) carrying out ammonolysis reaction on the 4-acetamido phenol chloracetate to synthesize propacetamol; 3) purifying a propacetamol coarse product; 4) synthesizing propacetamol hydrochloride; and 5) carrying out purification on the propacetamol hydrochloride. By virtue of purification treatment on the propacetamol coarse product, the standard-exceeding problem of the propacetamol coarse product in projects such as residues on ignition caused by quality problem of initial and auxiliary materials is solved, and meanwhile, the refining efficiency is improved. The yield of the product improved through the process is remarkably improved: the yield of the product before improvement is about 50-60% and the yield of the product after improvement is about 60-70%.

A method of flocculation for treating water to be treated is provided which attains a significant improvement in the percentage of flocs remaining in a contact-material accumulation tank (filtration rate). While using an inorganic flocculant in a limited amount, fine flocs and flocs which have an increased density and a reduced size can be formed and the degree of inflow of the fine flocs into a sand filtration layer can hence be reduced. In the method, use is made of a contact-material accumulation tank (12) interposed between the step of forming fine flocs and the sand filtration step, and flocs having a particle diameter of 7.0 [mu]m or larger are packed beforehand into the inlet of the contact-material accumulation tank (12) and / or an area near the inlet. Due to the constitution, the percentage of flocs with a particle diameter of 7.0 [mu]m or larger remaining in the contact-material accumulation tank (12) (filtration rate) is kept at 80% or higher from the initiation of passing of the water being treated (1).

The invention discloses a production and transportation device for a high-pressure sprayer. The production and transportation device comprises a transportation base and a bearing plate, four universalwheels are fixedly connected to the ground of the transportation base, a push handle is welded to the side position of the upper end face of the transportation base, and a groove is formed in the endface of the transportation base; and a first rotating base is fixedly connected to the side, away from the push handle, of the bottom of the groove, a second rotating base is fixedly connected to theend, close to the push handle, of the bottom of the bearing plate, and a second supporting rod is rotatably connected to the first rotating base through a pin shaft. The device has the advantages that when the high-pressure sprayer is conveyed to a truck, a forward and reverse rotation motor is started to drive a threaded shaft to rotate, so that a moving block gets close to the first rotating base, the bearing plate rises to lift the high-pressure sprayer, the bearing plate has the effect of moving forwards while rising, the high-pressure sprayer can be directly lifted into a truck carriage,the trouble of carrying is reduced, and the transportation efficiency is improved.

The invention discloses an emergence release device for Noctuidae pupae in the natural environment. The device comprises an inner cage and an outer cage, wherein the inner cage is installed at the upper part of the outer cage; the inner cage comprises a first frame which is provided with a first water chamber, a pupa chamber and a second water chamber from top to bottom sequentially; an opening Iis arranged on one side surface of the first water chamber, the pupa chamber and the second water chamber; and the top surface, the bottom surface and the other side surface are surrounded by gauze toform a space for placing articles; a partition plate is arranged in the pupa chamber, and divides the pupa chamber into a left pupa chamber and a right pupa chamber based on the opening I of the pupachamber as a partition face; and two observation doors capable of being opened and closed are arranged at the opening I of the pupa chamber, and correspond to the opening I of the left pupa chamber and the right pupa chamber respectively. Two structures, namely, an inner cage and an outer cage, are designed, the inner cage is arranged at the upper part of the outer cage, and the pupa chamber is completely surrounded by the gauze and is far away from the ground, climbing difficulty is increased for ants, and the risk that the pupae are eaten can be reduced.

The invention relates to an auxiliary device, in particular to a medical wound treatment auxiliary device. The invention aims to provide the medical wound treatment auxiliary device capable of automatically cutting off cotton materials and clamping and spraying medicine. A medical wound treatment auxiliary device comprises a connecting frame; the discharging frame is mounted on the inner side of the connecting frame; the first connecting rods are installed on the left side and the right side of the lower portion of the discharging frame. A handle is controlled to move downwards, so that an extrusion rod is driven to move downwards to extrude cotton materials in a discharging frame downwards, meanwhile, a cutter is pulled to move towards the two sides to be opened, the cotton materials are discharged, the handle can be loosened after the cotton materials are discharged by a certain amount, and the extrusion rod and the handle can automatically move upwards to reset; and meanwhile, the cutter can move towards the middle to cut off the cotton, so that the trouble of manually extracting the cotton for wound treatment is reduced.

One quick fumigating method to stowage in container relates to that inserting pinhead of injector forming 45 deg. at the overlapping place of two rubber sheets on the door down the container's slot, by which injecting into fumigant of sulphuryl fluoride. This invention provides a convenience, shortcut way to fumigate and pesticide for container.

The invention discloses terminal equipment based on solution of enterprise informatization. The terminal equipment comprises a base; a fixing cylinder is fixed to the top end of the base; a supportingcolumn movably penetrates through the inner side of the fixing cylinder and extends to the outer wall of the top end of the fixing cylinder; a terminal device host is fixed to the top of the supporting column; a sliding groove is formed in the bottom of the supporting column; a forward and reverse rotation motor is fixed in the cavity of the base; an output shaft of the forward and reverse rotation motor is rotationally connected with a threaded rod; the threaded rod rotationally penetrates through the outer wall of the bottom end of the fixing cylinder; the threaded rod extends into the sliding groove; the outer wall of the threaded rod is rotationally sleeved with a ball nut; the ball nut is fixed to the surface of the inner side of the sliding groove; the outer wall of the forward andreverse rotation motor is fixedly sleeved with a fixing casing pipe; fan blades distributed at equal intervals are fixed to the outer surface of the fixing casing pipe; heat dissipation windows are formed in the surfaces of the two sides of the base; and dustproof nets are fixed in the heat dissipation windows through bolts. By the aid of the arranged forward and reverse rotation motor, the heightof the equipment can be adjusted quickly, and meanwhile, heat dissipation can be performed on the forward and reverse rotation motor.

The invention provides a material transfer device for spraying-free plastic processing. The device comprises a shell, a power mechanism is installed at the top of the inner wall of the round shell andcomprises a grooved wheel, a heating rod, a round plate, a protruding block, a gear, a motor and a support, and a round groove in the outer wall of the grooved wheel is movably connected with the topof the inner wall of the round shell. The grooved wheel is rotated through cooperation of the protruding block and a disc, then the heating rod is driven to rotate, uniform heating of materials in the shell is achieved, the heating speed is increased, the working efficiency is improved, then accumulated plastic is stirred, heating through cooperation with the heating rod is facilitated, the heating time is shortened, the energy consumption is reduced, and the cost is reduced; shaking borne by an arc-shaped plate can be relieved and eliminated, collision is prevented, normal use of plastic materials is guaranteed, pushing movement is achieved through rolling wheels at the bottom of the shell, the trouble of personnel carrying is omitted, operation is easy, labor consumption is reduced, practicability is improved, and popularization is convenient.

A fumigating method for killing the termite in timber includes such steps as adhering the PVC films to both ends of a timber for sealing them, binding the PVC film on the surface of said timber for preventing air leakage, and injecting the fumigant (sulfuryl chloride or methyl bromide) into said timber by use of PQF-I injector. Its advantage is high effect.

The invention discloses a kitchen waste and waste water treatment integrated device and a method. The kitchen waste and waste water treatment integrated device comprises casing body which contains a water inlet and a sewage draining port, a classification system arranged at the position of the water inlet, a crushing system connected to the classification system, a dehydration system connected to the crushing system, a deodorizing and sterilization system connected to the dehydration system, an oil-water separating system connected to the deodorizing and sterilization system, an oil scraping system connected to the oil-water separating system, a filtration system connected to the oil-water separating system and a collection system; and the classification system, the crushing system and the oil scraping system are respectively connected to the collection system. The kitchen waste and waste water treatment integrated device employs the above structure, and can effectively classify and treat the metal waste, organic garbage, oil and waste water in kitchen waste water.

The invention relates to an automatic flushing water-saving closestool and belongs to the technical field of a seating closestool; the closestool is used to overcome the use disadvantages that the prior seating closestool has large water consumption, is easy to pollute the toilet environment and has a structure with large size. The closestool comprises a urinal; the bottom of the urinal is provided with a discharging port; the top of the urinal is provided with a urinal cover; a flushing port is arranged on the wall of the urinal; the closestool is characterized in that a movable sealed plate and an automatic flushing mechanism are arranged on the discharging port; after the use of the toilet is completed, the urinal cover is closed to realize automatic flushing; the flushing mode is the direct discharging mode without the discharging resistance; the water flushing amount is substantially decreased; the urinal wall is prewetted by a prewetting mechanism to prevent the bonding between dejecta and the urinal wall and provide the flushing-friendly base favorable for automatic flushing; the water flushing amount is only between 0.3 and 1.2 liters in order that the dejecta disappears in the shortest time, thereby avoiding the dissipation of stink; without a water box, the size of the whole structure can be substantially reduced; and the automatic flushing water-saving closestool issuitable for mounting and using as a new generation of toilet appliance in families, hotels, schools, hospitals and various places.

The invention discloses a novel test mold for a concrete crack detection test and an operation method. The novel test mold comprises a square box, a lifting structure is installed at the bottom of the square box and comprises a bottom plate, a bent rod, a sliding plate, a threaded rod, a short plate and a protruding block, the outer wall of the bottom plate is slidably connected with the bottom of the square box in a clamped mode, the outer side of the bottom plate is connected with the bottom of the inner side of the bent rod in a welded mode. The novel test mold saves the trouble of digging, reduces the difficulty of operation, and improves the practicability. A spring on the other side is stretched, then a grip is loosened, and the spring provides resilience force, so that the square box returns to the original position to generate vibration, vibration is achieved, the trouble of carrying is omitted, time is saved, working efficiency is improved, use is convenient, leached lubricating oil is brushed on the inner wall of the square box, operation is simple, brushing missing is prevented, normal demolding is ensured, then bolts penetrate through straight plates to be fixed to an external connecting plate, the square box is prevented from moving during vibration, the trouble of manual supporting is omitted, the use difficulty is reduced, and application and popularization are facilitated.

The invention discloses a crushed coal screening system, which relates to the technical field of thermoelectricity. The key points of the technical solution are: a crushing device, a screening device and a coal lump transportation device; Inlet and outlet, the outlet includes the first outlet and the second outlet; the crushing device is erected above the screening device, the crushing device includes a feeding port and a discharge port, and the discharge port is aligned with the inlet of the screening device The material opening is set; the coal block transportation device includes a mounting seat and a conveyor belt installed on the mounting seat, and the conveyor belt is set upward at an inclination; a discharge plate is provided at the first exit, and the discharge plate extends downward at an incline; the upper end of the mounting seat is close to the crushing device There is a gap at the feeding port, and a material guide plate is also arranged on the mounting seat. Large coal blocks can be directly transported to the crusher through the coal block transport device, which makes the overall operation more convenient, and at the same time, the crushing of the crushing device also makes the use of coal more fully.

The invention discloses an intelligent home illuminating system. The intelligent home illuminating system comprises a base, a vertically-arranged first supporting column is fixed to the upper surfaceof the base, the first supporting column is of a hollow structure, a second supporting column is vertically arranged in the first supporting column and the second supporting column penetrates throughthe side wall of the upper end of the first supporting column; an illuminating lamp is fixed to the end, away from the first supporting column, of the second supporting column; a shell is fixed to theside wall of the first supporting column, the shell is of a hollow structure, and the inner wall, close to the first supporting column, of the shell is rotatably connected with a transversely-arranged threaded rod through a rotating piece; the end, away from the rotating piece, of the threaded rod penetrates through the side wall of the shell; the side wall of the threaded rod is sleeved with a nut matched with the threaded rod; and the side wall of the upper end of the nut is connected with a transversely-arranged clamping rod through a vertically-arranged first connecting rod. According tothe intelligent home illuminating system, the height of the illuminating lamp can be adjusted, and thus the needs of different illuminating ranges can be met.

The invention relates to the technical field of new energy vehicles, in particular to an electric logistics vehicle battery quick-changing device which comprises a wheel frame, a special-shaped supporting bottom plate, a lifting assembly, a pushing assembly, a bolt dismounting assembly and the like. The two wheel frames are fixedly installed on the ground, lifting assemblies are symmetrically arranged on the special-shaped supporting bottom plate, pushing assemblies are symmetrically arranged on the special-shaped supporting bottom plate, and bolt disassembling assemblies are symmetrically connected to the special-shaped supporting bottom plate in a sliding mode. Through the action of the electromagnetic wrench, the bolt can be adsorbed and screwed off, the bolt can gradually move downwards to be separated from the automobile, the bolt is detached from the bottom of the automobile, the battery with exhausted electricity falls onto the sliding placement plate from the interior of the automobile, and thus the battery detaching work is rapidly and conveniently completed.

The invention discloses a crane that is convenient to move, which includes a base and a crane mechanism arranged on the upper surface of the base, and supporting side plates facing downward are arranged on both sides of the base, and is characterized in that a moving device is arranged inside the base , after being equipped with a moving device, the crane can independently move on the uneven terrain during transportation, which is convenient to move, and it is not a problem to transport on mountain roads, which reduces the trouble of handling for users, and has a simple structure and is easy to use .

The invention discloses a fault hidden danger eliminating device for SF6 gas inflation equipment. The fault hidden danger eliminating device comprises a vehicle body and a bearing mechanism for the device, and moving wheels are arranged at the four corners of the lower portion of the vehicle body; the clamping seats are installed at the upper end of the vehicle body, the two clamping seats are arranged in a bilateral symmetry mode with respect to the vertical center line of the vehicle body, and C-shaped grooves are formed in the inner sides of the clamping seats; the inflation bottle is placed on the inner side of the clamping seat, and a detachable structure is formed between the inflation bottle and the clamping seat; the connecting mechanism is mounted at the upper end of the vehicle body; the detection support is installed at the upper end of the vehicle body, and the detection support is arranged on the right front side of the clamping seat. According to the fault hidden danger eliminating device for the SF gas inflation equipment, an inflation device can be conveniently loaded to move, the trouble that a worker carries an inflation bottle during working is reduced, and the working efficiency is improved. And whether an air leakage phenomenon exists between the inflation bottle and the restarted equipment or not can be detected in time.

The invention relates to the technical field of mechanical equipment, in particular to a handling device special for vehicle containers. A drive motor (2) is disposed on the left of the lower end of a container body (1). A connection gear set (3) is arranged on the left of the container body (1). An L-shaped mounting plate (4) is connected to the lower end of the connection gear set (3). A telescopic support device (5) is disposed at the bottom of the L-shaped mounting plate (4). A take-up device (6) is arranged on the left of the upper end of the container body (1). A take-up drive roller (7) is arranged on the left of the take-up device (6) and is connected with the left side of the L-shaped mounting plate (4) through a connection wire rope (8). The handling device is simple in structure, has the function of automatic handling, allows for quick cargo handling, causes fewer carrying troubles, and is time saving, labor saving, handy and quick.

The invention relates to a treatment method of wastewater produced by cephalo synthetic drug manufacturing, which mainly comprises three parts, namely, aerobe catalytic oxidation, anoxia hydrolytic acidification and a membrane biological reactor; firstly, organic matters having better biodegradability in the wastewater are removed in a biological contact oxidation pond, then biological hydrolytic acidification is carried out in an anoxic pond, and then the wastewater flows into the membrane biological reactor to carry out final aerobic Bioremediation; the wastewater after the treatment passes through an ultrafiltration membrane in the membrane biological reactor and is pumped out by a pump and then discharged to an effluent pipe after reaching standards or recycled to the production technology; the membrane biological reactor consists of an aeration zone and a membrane filtering zone, wherein, the aeration zone carries out aeration by adopting a disc-shaped millipore aeration head, the ultrafiltration membrane is positioned in the membrane filtering zone, the organic matters in the wastewater after being treated with aerobe contact oxidation and anoxia hydrolytic acidification are basically biodegraded, the wastewater is pumped out through the ultrafiltration membrane, and microbes in the reactor are blocked in the reactor. The method has the advantages of simple technique, good effect of treating wastewater, small occupation area, and low treatment cost, and is especially suitable for the wastewater produced by the cephalo synthetic drug manufacturing.

The invention discloses an intelligent home illuminating system. The intelligent home illuminating system comprises a base, a vertically-arranged first supporting column is fixed to the upper surfaceof the base, the first supporting column is of a hollow structure, a second supporting column is vertically arranged in the first supporting column and the second supporting column penetrates throughthe side wall of the upper end of the first supporting column; an illuminating lamp is fixed to the end, away from the first supporting column, of the second supporting column; a shell is fixed to theside wall of the first supporting column, the shell is of a hollow structure, and the inner wall, close to the first supporting column, of the shell is rotatably connected with a transversely-arranged threaded rod through a rotating piece; the end, away from the rotating piece, of the threaded rod penetrates through the side wall of the shell; the side wall of the threaded rod is sleeved with a nut matched with the threaded rod; and the side wall of the upper end of the nut is connected with a transversely-arranged clamping rod through a vertically-arranged first connecting rod. According tothe intelligent home illuminating system, the height of the illuminating lamp can be adjusted, and thus the needs of different illuminating ranges can be met.

The invention discloses a circulating spraying type ultraviolet Fenton oxidation organic waste gas treatment system and method. The treatment system comprises a spraying oxidation reaction chamber, an induced draught fan and a hydrogen peroxide adding device. An exhaust port is formed in the top of the spraying oxidation reaction chamber. A hydrogen peroxide inlet, a gas inlet and a Fenton reagent outlet are formed in the lower portion of the spraying oxidation reaction chamber. A Fenton reagent inlet is formed in the upper portion of the spraying oxidation reaction chamber. The induced draught fan is connected with the gas inlet. The hydrogen peroxide adding device is connected with the hydrogen peroxide inlet through a pressure pump. The Fenton reagent outlet is connected with the Fenton reagent inlet through a circulation pump. A Fenton reagent is contained in an inner cavity of the spraying oxidation reaction chamber. A spraying device is arranged on the upper portion in the inner cavity of the spraying oxidation reaction chamber and connected with the Fenton reagent inlet. A plurality of ultraviolet modulator tubes are arranged on the portion, above the liquid level of the Fenton reagent and below the spraying device, of the inner wall of the spraying oxidation reaction chamber. The ultraviolet modulator tubes are installed on the inner wall of the spraying oxidation reaction chamber in a parallel and crossed mode. The circulating spraying type ultraviolet Fenton oxidation organic waste gas treatment system and method are easy to operate, Fe2+ in the Fenton reagent is recycled, and the utilization rate of H2O2 is increased.

The invention relates to the technical field of new energy vehicles, in particular to a battery quick-change device for an electric logistics vehicle, comprising a wheel frame, a special-shaped support base plate, a lifting assembly, a push assembly, a bolt disassembly assembly, etc.; the two wheel frames are fixedly installed on the ground The special-shaped support base plate is symmetrically provided with lifting components, the special-shaped support base plate is symmetrically provided with push components, and the special-shaped support base plate is symmetrically slidably connected with bolt dismantling components. Through the action of the electromagnetic wrench, the bolts can be adsorbed and unscrewed, and the bolts will gradually move downward to disengage from the car, so that the bolts are removed from the bottom of the car, and the exhausted battery falls from the car to the sliding plate, thereby Quickly and easily complete the disassembly of the battery.