76results about How to "Implement loop processing" patented technology

The invention relates to a system for improving an original-state soil sample and testing permeability. The system mainly used for comprehensively improving the field original-state soil sample and testing the permeability of the soil sample comprises a soil sample improving and permeability testing device, improving solution circulating equipment and the power equipment of the improving solutioncirculating equipment and is characterized in that the size of the designed soil sample improving and permeability testing device is generally matched with the size of a soil sample commonly used in alab, and the soil sample improving and permeability testing device is used as a container during soil sample improving, is also capable of measuring the permeability parameters of the soil sample, and comprises an annular cutter, a sleeve, sealing rings, permeable stones, a water inlet pipe, a draining pipe, an upper cover and a lower cover; soil property parameter change depends on the circulating flowing of an improving solution, and the improving solution circulating equipment comprises a water head tank and a water inlet tank; the power equipment comprises a pressure-variable normal-pressure air compressor and a vacuum pump and is mainly used for providing power for the stable circulating flowing of the solution. Compared with the prior art, the system is high in work efficiency, convenient to operate, reliable in effect, easy to master, capable of disassembled and assembled, and the like.

The invention discloses a waste gas treatment device for activated carbon production and a treatment method thereof, and relates to the technical field of waste gas treatment. The device comprises a purification tank, a treatment cavity and a water storage cavity which are sequentially communicated are formed in the bottom of the purification tank from top to bottom; a waste gas inlet pipe is fixedly mounted on the top surface of the purification tank; a treatment mechanism is mounted at the axis of the purification tank; one end of the waste gas inlet pipe rotationally communicates with the treatment mechanism; the peripheral side surface of the purification tank is fixedly connected with a servo driving motor; one end of an output shaft of the servo driving motor is in transmission connection with the treatment mechanism; the treatment mechanism comprises a filter cartridge. Through the design of the processing, the device can efficiently realize the purification processing process of waste gas in an automatic mode, and through the built-in design of the filter cartridge, impurities can be effectively intercepted in a filter mechanism, so that the impurity-free effect of clean water or treated water is ensured, and the recycling of the clean water or the treated water is facilitated.

The invention relates to a pond water quality biological purification device, and belongs to the field of cultivation. The pond water quality biological purification device based on aeration is characterized in that a filter cotton barrel on an inner layer and a biological filter barrel on an outer layer are included, the filter cotton barrel and the biological filter barrel are concentrically arranged, filter cotton is arranged in the filter cotton barrel, buoyancy biological filter materials are arranged in the biological filter barrel, a vertically-arranged water lifting pipe is arranged in the center of the device, culture pond water enters the water lifting pipe from the bottom of the water lifting pipe, the water is lifted to the top of the water lifting pipe and flows out, the water flows into the filter cotton barrel, the water flows into the biological filter barrel through overflowing barriers after being primarily filtered by the filter cotton, an annular aeration hose is arranged at the bottom of the biological filter barrel, a plurality of aeration holes are evenly formed in the annular aeration hose, air is sprayed out of the aeration holes to form a biological fluidized bed, the water is secondarily purified, and flows out through the overflowing barriers, the bottom plate of the biological filter barrel is a punched plate, a dirt collector in an inverse circular truncated cone shape is arranged below the punched plate, and a dirt collecting opening in the bottom of the dirt collector is connected with a siphon blowdown pipe to discharge sewage.

The invention discloses dust treatment equipment. The equipment comprises a dust lead-in unit, a dust treatment unit, a gas emission unit and a control unit, wherein the dust lead-in unit and the dusttreatment unit are communicated with each other through an air inlet pipeline; the dust lead-in unit comprises an induced draft pipe, an induced draft fan, and a filtering screen arranged at the outlet of the induced draft fan; the dust treatment unit comprises a spraying unit performing spraying treatment on lead-in dust, and a retreatment unit performing retreatment on dust treated by the spraying unit; the gas emission unit comprises a dust concentration sensor for monitoring the concentration of dust in emitted gas, and an air outlet pipeline for emitting gas; the air outlet pipeline is communicated with the air inlet pipeline through a return pipe, so as to ensure that gas returns to the dust treatment unit. The dust treatment unit sequentially performs spraying treatment, dehumidification treatment and electrostatic dust collection treatment on gas containing dust, and is high in dust removal efficiency; the dust concentration sensors monitors the concentration of dust in the treated gas, and the dust emission load is greatly reduced.

Belonging to the technical field of sludge treatment, the invention discloses a sludge collection device for sludge treatment. The sludge collection device for sludge treatment consists of a treatmenttank and a collection tank, a cover plate is fixed at the upper end of the treatment tank, the cover plate is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are externally connected to a first water pump and a second water pump respectively, a partition plate is fixed in the treatment tank, the bottom of the treatment tank is equipped withan adsorption layer, and a sludge push-out component is disposed on the adsorption layer at the bottom of the treatment tank; the upper end of the collection tank is flush with the bottom of the treatment tank, a collection box is placed inside, and the upper end of the collection box is connected to a driving treatment component. The treatment tank is employed to separate sludge from water to obtain separated water and sludge respectively, thus increasing the utilization rate of resources. At the same time, through the collection tank is utilized for collection treatment on sludge, pressuresensors are employed to control an electric hoist so as to realize automatic lifting of sludge, thus reducing the manpower expenditure and increasing the sludge treatment efficiency.

The invention discloses a water purifying device of regenerated water supplied lakes and a construction method thereof. The water purifying device comprises a water purifying box and a mud adsorption device. A retaining wall is arranged on the water purifying box. The top end of the retaining wall is provided with a water baffle plate. A purifying cavity, a water storage cavity, and a mud filtering cavity are arranged in the water purifying box. The bottom end of the retaining wall is provided with a water gate. The mud adsorption device comprises a dredging pipeline, a baffling device, and a water suction pump. The baffling device is fixedly connected to the end part of the dredging pipeline. The construction method comprises the following steps: (1) carrying out setting-out survey; (2) digging a ground pit; (3) installing a frame support; (4) installing pipe channels; (5) pouring concrete; (6) installing a water purifying box; (7) installing a mud adsorption device; and (8) performing trial run of water purification. The construction steps are simple, the dam is protected, the construction efficiency of water purifying device is improved, and the water purifying device is suitable for lakes with different sizes.

The invention discloses an energy-saving environmentally-friendly circulating type exhaust gas processing system for a paint spraying and paint drying technology. The system comprises a spraying chamber and a circulating type exhaust gas processing unit. The gas inlet end of the circulating type exhaust gas processing unit is communicated with the bottom of the spraying chamber. The gas outlet endof the circulating type exhaust gas processing unit is communicated with the top of the spraying chamber. The spraying chamber and the circulating type exhaust gas processing unit form a circulatingair channel. The circulating type exhaust gas processing unit pumps out exhaust gas in the spraying chamber. The exhaust gas is processed and returned to the spraying chamber. By adopting the abovementioned structure, exhaust gas is circularly processed and utilized, exhaust gas is radically processed, the resource utilization rate is improved; compared with a conventional technology, the contentof discharge VOCs and discharge amount of VOCs are greatly reduced, and energy saving and environment protection are realized.

The invention discloses an energy-saving environment-friendly circulation type waste gas treatment method applied to a paint spraying and paint baking process. The method comprises the steps of paintspraying stage waste gas treatment, levelling stage waste gas treatment and drying stage waste gas treatment; during the drying stage waste gas treatment, after the levelling is completed, the operation enters the drying stage; waste gas in a drying chamber is taken away by gas exchange equipment; the taken waste gas is filtered and dried; the treated waste gas flows back into the drying chamber to form circulation airflow; when the concentration of organic volatile gas is high, and is lower than the lower explosive limit by 25 percent, a small part of high-concentration waste gas is extractedfrom the circulation airflow; heating and low-temperature catalytic oxidation are performed to form high-temperature combustion waste gas; after the high-temperature combustion waste gas and most circulation airflow are subjected to heat exchange, freeze drying and adsorption are performed; the waste gas is exhausted into atmosphere after reaching the standard. After the method is used, the wastegas can be thoroughly treated as much as possible; the discharging total quantity is reduced to the greatest degree; the resource utilization rate is improved; the effects of energy saving and environment protection are really achieved.

The invention relates to a process for waste and old tyre rubber stress induced desulphurization reaction, which comprises the following steps of: mixing linear macromolecular substance, waste and old tyre rubber powder, stabilizing aid and desulphurization promoter; adding the mixture into a homodromous double-screw extruder with high rotational speed and high shear, performing fusion extruding desulphurization reaction, and water-cooling, granulating and drying or roller-calendaring, cooling and slicing a reaction product to obtain a desulphurized and modified reclaimed rubber product. Because the desulphurization reaction and the coarse smelting, refining and rubber-filtering processes of the reaction product are integrated together, the process has the advantages of high desulphurization process efficiency, high yield, low energy consumption, easy large-scale production and easily controlled desulphurization reaction process; and the desulphurization promoter can accelerate the desulphurization reaction and play a role in protecting main chains and double bonds of desulphurization product molecules so as to improve the probability of selective breakage of S-S bonds in a tyre rubber crosslinking network. The reaction process has little environment pollution, and the desulphurization product has good mechanical property due to the blending of butadiene styrene rubber re-vulcanizing material.

The invention provides a primary treatment device for sewage treatment. The primary treatment device for sewage treatment comprises a primary sewage treatment pool, wherein the primary sewage treatment pool comprises a primary treatment cavity, a secondary treatment cavity, a tertiary treatment cavity and a water storage cavity; the primary treatment cavity is positioned at the upper layer; the secondary treatment cavity and the tertiary treatment cavity are simultaneously positioned in the middle layer; the water storage cavity is positioned in the lower layer; the bottom of the primary treatment cavity communicates with the top of the secondary treatment cavity; the bottom of the primary treatment cavity is provided with a first filter layer; one side of the secondary treatment cavity communicates with the tertiary treatment cavity; a second filter layer is arranged between the secondary treatment cavity and the tertiary treatment cavity; the bottom of the tertiary treatment cavity communicates with the water storage cavity; the bottom of the tertiary treatment cavity is provided with a third filtering layer; a stirring shaft is arranged in the tertiary treatment cavity; a purification agent adding opening and a motor for driving a stirring shaft to rotate are arranged on the top of the tertiary treatment cavity; the upper part of the primary treatment cavity is connected with a water inlet pipe; the upper part of the water storage cavity is connected with a water outlet pipe. The primary treatment device has the advantages that the three-stage filtering is performed; the effect of a purification agent is combined so that the solid impurities in the sewage are effectively removed; the treatment effect of the primary sewage treatment pool is improved.

The invention discloses an urban sewage treatment device which comprises a base and a treatment box arranged above the base, the treatment box and the base are connected and fixed through supporting legs, a filtering cavity used for receiving sewage is formed in the upper left end of the treatment box, and a drainage pipe used for drainage is arranged at the bottom of the filtering cavity. A filter cavity for filtering sludge is formed in the treatment box, a drying cavity for drying the sludge is further formed in the position, opposite to the filter cavity, in the treatment box, a discharging opening for discharging is formed in the lower portion of the drying cavity, a rotary filter seat is horizontally arranged in the treatment box, and a plurality of filter notches are distributed in the rotary filter seat in an array mode. According to the sewage treatment device, sewage can be disinfected and sterilized, meanwhile, the sewage can be filtered, sludge can be rapidly transferred, dried and removed, circulating treatment is achieved, blockage of a filtering surface is avoided, manual cleaning by workers is not needed, and compared with the prior art, the sewage treatment device has remarkable progress.

The invention discloses a micropterus salmoides seedling transport case and a method for achieving micropterus salmoides seedling transportation. The transport case comprises a case body, a fry layer,an aeration layer and a filtering layer are sequentially arranged inside the case body from top to bottom, the fry layer and the aeration layer are communicated through a filter plate, and the aeration layer and the filter layer are separated through a partition plate; a tubular aerator, a first inclined plate and a second inclined plate are arranged inside the aeration layer, the higher ends ofthe first inclined plate and the second inclined plate are fixedly connected and are of a V-shaped structure, the lower ends extend in the opposite direction, the tubular aerator is arranged at the joint of the first inclined plate and the second inclined plate, and the tubular aerator is connected with a fan outside the case body. By adopting the structure, excrement, secretions and the like generated by fry can be completely supplied into the filtering layer from the fry layer and the aeration layer, the phenomenon that the water quality is affected due to the fact that excrement, secretionsand the like remain in the fry layer and the aeration layer for a long time is avoided, and fry health is threatened.

The invention belongs to the technical field of atmosphere environmental protection and powder processing, and relates to a cyclone separator with a self-circulation function. According to the invention, a secondary separating cylinder and a screw apparatus are arranged in addition at an exhaust pipe of a common cyclone separator. Relatively high rotation speed is maintained in the gas flow in the exhaust pipe. With the guiding function of the screw apparatus, the gas flow can be forced to rotate, such that secondary separation of dust particles is realized in the secondary separating cylinder. An outlet is provided on the wall of the secondary separating cylinder. Dust obtained in the secondary separation process is pumped out by a blower, and is delivered to a gas inlet of the cyclone separator by using the blower. With the blower, the dust is then delivered into the cyclone separator, such that the circulation of part of the gas flow is formed. With the circulation, leaked dust can be delivered back to the cyclone separator; the separation efficiency can be improved; and the volume of current velocity in a flow field can be controlled through the controlling over a circulation gas volume. The self-circulation cyclone separator comprises: a cone (1), a primary separating cylinder (2), a primary exhausting port (3), the screw apparatus (4), the secondary separating cylinder (5), a circulation gas flow inlet (7), the blower (8), a dust-containing gas flow inlet (10), a circulation gas flow outlet (11), a dust discharging port (12), and the like.

Relating to the field of water treatment, the invention provides a water circulation treatment device with multiple filtering functions. The device includes a filter bin, a first treatment bin and a second treatment bin. The bottoms of the filter bin, the first treatment bin and the second treatment bin are all provided with tapered aggregate bins, and the bottoms of the tapered aggregate bins areall provided with discharge ports. According to the invention, a plurality of filtering mechanisms are arranged in the filtering bin for multiple filtering, thus increasing the efficiency of filtration, meanwhile, filtering partition plates on the filtering mechanisms are in detachable sliding connection with the filter bin and U-shaped collecting plates, and the filtering partition plates are arranged inclinedly. Therefore, filter screens in the filtering partition plates and collecting nets in the U-shaped collecting plates can play a role in filtering sewage, and at the same time, impurities on the filter screens can slip into the collecting nets for accumulation, thus preventing filter screen accumulation and then avoiding the influence on the filtering treatment of sewage, and facilitating impurity elimination at the same time.

The invention discloses a method for treating high-concentration alkaline resin desorption liquid by a catalytic ozonation technique, and belongs to the field of wastewater treatment by the ozonationtechnique. The method includes the steps: (1) enabling industrial wastewater to enter a wastewater adjusting tank to perform biological treatment, and discharging biochemical tail water after biological treatment; (2) conveying the biochemical tail water into ion exchange resin to perform resin adsorption and desorption treatment; (3) performing alkali liquor elution on the ion exchange resin after resin adsorption and desorption treatment, and recycling alkaline resin desorption liquid; (4) adding the aluminum chloride and ozone into the recycled alkaline resin desorption liquid to perform ozone catalyzed oxidation treatment; (5) adjusting a pH (potential of hydrogen) value of the resin desorption liquid after ozonation to reach 6-8, performing flocculant precipitation, and conveying theresin desorption liquid into the wastewater adjusting tank to be circularly treated. According to the problem that biochemical treatment of existing high-concentration alkaline resin desorption liquidis difficult as alkalinity is high. According to the method, the high-concentration alkaline resin desorption liquid is treated by the catalytic ozonation technique, and the biodegradability of the resin desorption liquid can be improved.

The invention discloses a low-energy-consumption processing device for self-circulation sewage. The processing device comprises a water inlet tank, a regulating tank and a sand filter. The sand filter is connected in parallel between the water inlet tank and the regulating tank, the water inlet tank is connected with the sand filter through a reflux pump, and a check valve only allowing water to enter the water inlet tank from the regulating tank is arranged between the water inlet tank and the regulating tank; a water distributor for distributing sewage evenly to a sand filter surface layer is arranged at the top of the sand filter; a water collector for collecting water after sand filtration is arranged at the bottom of the sand filter; the height of the sand filter is higher than that of the regulating tank; the water level of the regulating tank is higher than that of the water inlet tank; and a water overflow weir for controlling the water to rise is arranged on the regulating tank. The processing device is economical, simple and convenient, efficient and suitable for processing rural domestic sewage rural.

The invention discloses a device for discharging and treating a volatile organic compound of a printing machine. The device comprises a gas collecting device, an adsorption device, a desorption fan, a catalytic cracking device and a discharging device, wherein the gas collecting device is connected with the printing machine; the adsorption device is connected with the gas collecting device; the adsorption device comprises a first exhaust pipeline, a second exhaust pipeline and a zeolite molecular sieve arranged in the first exhaust pipeline and the second exhaust pipeline; the first exhaust pipeline is connected with the desorption fan; the second exhaust pipeline is connected with the discharging device; the desorption fan is connected with the catalytic cracking device and is cooperated with the second exhaust pipeline for introducing the desorbed gas into the catalytic cracking device; the catalytic cracking device is connected with the discharging device; the discharging device is communicated with the external environment and is used for exhausting the treated gas. The device provided by the invention can fully absorb the VOCs gas discharged from the printing machine and discharge the qualified gas.

The invention discloses a fuel cell tail gas dehydrogenation device and belongs to the field of fuel cell tail gas treatment.The fuel cell tail gas dehydrogenation device is characterized in that by arranging a hydrogen sensor, when hydrogen exists in tail gas discharged by a device body, the tail gas is controlled to be introduced into the device body again through a gas return pipe to be subjected to a catalytic reaction, and circulating treatment of the tail gas is achieved; when tail gas moves into the device body along the gas return pipe, the pneumatic early warning pipe locally displaces under gas extrusion force, so that the end part of the gas collapse sealing rod falls off from the pneumatic early warning pipe, on one hand, collapse of the internal gas collapse sealing rod can be observed, and on the other hand, in the local displacement process of the pneumatic early warning pipe, the rotation color balls are staggered and broken, and the gas collapse sealing rod is prevented from falling off. According to the invention, the color-permeable layer is arranged on the surface of the catalyst, so that a plurality of color overflow strips on the surface of the color-permeable layer are in a state of obvious color blocks, a double early warning effect is visually achieved for on-site workers, the workers can replace and supplement the catalyst in time, continuous elimination of hydrogen is effectively ensured, and potential safety hazards are effectively reduced.

The invention discloses a boiler smoke waste heat circulating absorption system. The boiler smoke waste heat circulating absorption system comprises a bottom base, a top base, a supporting base, a locating base and pipelines. The top base is fixedly connected with the top end of the periphery of the supporting base through bolts, the bottom base is fixedly connected with the bottom end of the periphery of the supporting base through bolts, the locating base is fixedly connected with the interior of the supporting base through bolts, and the pipelines are fixedly connected with the middles of the two sides of the top base and the bottom base. According to the boiler smoke waste heat circulating absorption system, the top base and the bottom base are arranged at the top end and the bottom end of the periphery of the supporting base correspondingly, a separating plate and a press plate are arranged above the inner wall of the top base through electric telescoping rods, and therefore a treatment box which is arranged inside the supporting base through the locating base can define the smoke waste heat through the separating plate, the press plate and the locating base, the smoke waste heat which is generated by materials inside the treatment box can effectively conduct heat conduction on the interior and the exterior of the treatment box, the heat treatment effect in the process that the materials are processed by the treatment box is greatly improved, and the treatment efficiency of the treatment box is improved.

The invention discloses a complete set of equipment for reduction and recycling treatment of oily sludge. The equipment comprises a base and a homogenizing tank; the homogenizing tank is fixedly arranged on one side of the upper surface of the base, and a material inlet is arranged in the middle position of the top of the homogenizing tank; chemical boxes are fixedly arranged on two sides of the homogenizing tank, a chemical injection opening and a water injection opening are arranged in two sides of the upper end surface of each chemical box, a liquid level meter is fixedly arranged on one side of the interior of each chemical box, the bottom of each chemical box is provided with a chemical outlet communicating with the homogenizing tank, and each chemical injection opening, each water injection opening and each chemical outlet are each fixedly provided with a solenoid valve; a filter screen is fixedly arranged at the lower part of the interior of the homogenizing tank, and the bottomof the filter screen is fixedly provided with a vibrator; and a pulping tank is fixedly arranged on one side of the homogenizing tank, the bottom of the pulping tank communicates with the bottom of the homogenizing tank through a guide pipe, and alarms are fixedly arranged on the top of the pulping tank and the top of the homogenizing tank. The equipment facilitates the cyclic treatment of the oily sludge, thereby greatly improving the treatment effect.

The invention discloses a copper indium gallium diselenide recycling method, and relates to the technical field of solar batteries. The recycling cost of copper indium gallium diselenide is reduced, and waste water emission is reduced. The copper indium gallium diselenide recycling method comprises the steps that materials containing copper indium gallium diselenide and concentrated sulfuric acidare mixed, the obtained material disperse system is roasted, and selenium dioxide, sulfur dioxide and roasted residue are obtained; selenium dioxide and sulfur dioxide are absorbed by water, and selenium dioxide is reduced by sulfur dioxide into elemental selenium; the roasted residue is aftertreated, and elemental copper, elemental indium and elemental gallium are obtained. The copper indium gallium diselenide recycling method is used for treating materials containing copper indium gallium diselenide.

The invention discloses a multi-level wastewater treatment device and an application method thereof. The multi-level wastewater treatment device comprises a main body, wherein a transmission device isarranged in the main body; the transmission device is connected with a physical device, a chemical device and a biological device; the transmission device comprises a physical device gear cavity formed in the main body; a front driving bevel gear is rotatably arranged in the physical device gear cavity; a motor is fixed on the left side inner wall of the physical device gear cavity; the right endof the motor is connected with the front driving bevel gear in power fit through a rotary shaft. The multi-level wastewater treatment device disclosed by the invention has the advantages of easinessin operation, convenience in use, few manual processes and high automation degree; moreover, the device can be changed or repaired by detecting the wastewater quality, and cyclic treatment of the wastewater also can be realized.

The invention discloses a rainwater collecting device. The rainwater collecting device comprises a rainwater treatment cavity, a rainwater outlet cavity and a collecting cavity; the internal of the collecting cavity is divided into the rainwater treatment cavity and the rainwater outlet cavity through a separation plate; the outer side of the collecting cavity communicates with a rainwater inlet pipe and a rainwater outlet pipe; the rainwater inlet pipe is positioned above the rainwater outlet pipe; a first collecting tank communicates above the rainwater inlet pipe, and a second collecting tank communicates to the lower end; and the second collecting tank is positioned in the collecting cavity, and is mounted above the rainwater outlet cavity. The rainwater collecting device solves the technical problem of inconvenience for rainwater treatment in the prior art.

The invention discloses a multi-cascade medical examination wastewater treatment method. The method comprises the following steps: S1, gravity data control; s2, wastewater circulation control in a primary treatment chamber; s3, controlling the flow rate of wastewater in the primary treatment chamber; s4, wastewater circulation control in a secondary treatment chamber; s5, controlling the flow rateof wastewater in the secondary treatment chamber; s6, third-stage treatment indoor wastewater circulation control; s7, controlling the flow rate of wastewater in a third-stage treatment chamber; s8,indoor wastewater circulation control of a four-stage treatment chamber; s9, controlling the flow rate of wastewater in the fourth-stage treatment chamber; s10, discharging the wastewater; the invention also provides a multi-cascade medical examination wastewater treatment system which comprises a flowing part, a treatment part and a sensing part, all the treatment chambers are separated by partition plates provided with variable through holes; the treatment part comprises a filter screen, an adsorption treatment device, an MBR biological membrane, a high-temperature heating plate and a photoelectric treatment device; the sensing part comprises a water quality sensor and a water flow sensor; full and efficient treatment is achieved through circulation treatment and flow treatment of the medical examination wastewater.

The invention discloses air purification equipment for industrial waste gas emission, and relates to the technical field of waste gas purification. The air purification equipment comprises a dust removal box, a shower box, a condensation box, a circulating filtering tank, a rotary impurity removal tank, an exhaust tank, a gas guide pipe and a gas inlet pipe, wherein the circulating filtering tank is communicated with the rotary impurity removal tank through the gas guide pipe, and the exhaust tank is communicated with the circulating filtering tank through the gas guide pipe. According to the invention, an intercepting toothed plate is in meshed connection with a gear on the dust removal box, so that a worker only needs to pull out the intercepting toothed plate from the interface when replacing a filter screen in the dust removal box, meanwhile, after a new intercepting toothed plate enters, the old intercepting toothed plate is automatically discharged, and the whole filter screen is relatively simple to disassemble. Meanwhile, when the worker disassembles the intercepting toothed plate, the whole air purification equipment for the factory is still in a working state, waste gas treatment in the factory cannot be affected, and the working efficiency of the whole factory is improved.

The invention discloses a scanning-type micro-arc oxidation treatment device and method. The treatment device comprises a fixing head, a liquid supply pipe and a liquid extracting pipe, wherein the fixing head comprises a fixing head body and an insulating layer arranged on the outer wall of the fixing head body; the fixing head body is made of a conductive material; an electrolyte passage is processed in the fixing head body; a clamping part is arranged outside the fixing head; the fixing head body is connected with a negative electrode of a power supply through a first guide wire; one end ofthe liquid supply pipe is fixed to an outlet end of the electrolyte passage of the fixing head; an inner passage of the liquid supply pipe coincides with the electrolyte passage; the other end of theliquid supply pipe is a free end; the liquid extracting pipe is fixed on the outer side of the liquid supply pipe in a sleeving manner; the internal diameter of the liquid extracting pipe is larger than the external diameter of the liquid supply pipe; and one end of the liquid extracting pipe is closed, and the other end of the liquid extracting pipe extends outwards relative to the free end of the liquid supply pipe by a set distance to form a liquid return area. The treatment device can realize the micro-arc oxidation treatment on a complicated area on the surface of a workpiece in a simplescanning manner, and is suitable for the micro-arc oxidation treatment on a local area of a large-size workpiece.

The invention provides an intelligent warning wearable device, which comprises a multi-view vision module, a processor and a warning module, wherein the multi-view vision module and the warning module are in communication connection with the processor; the multi-view vision module is used for sensing a plurality of moving obstacles in directions within a preset distance, and transmitting real-time positions of the moving obstacles to the processor; and the processor is used for calculating arrival time according to the real-time positions, and controlling the warning module to send a warning signal to a user wearing the intelligent warning wearable device according to the arrival time. The intelligent warning wearable device based on multi-view machine vision achieves full-automatic and omni-directional safety warning, can perform continuous safety monitoring on the surrounding environment of the intelligent warning wearable device, and has the advantages of being efficiency, real-time, multi-directional and highly intelligent.

The invention discloses a method for treating high-concentration alkaline resin desorption liquid by a catalytic ozonation technique, and belongs to the field of wastewater treatment by the ozonationtechnique. The method includes the steps: (1) enabling industrial wastewater to enter a wastewater adjusting tank to perform biological treatment, and discharging biochemical tail water after biological treatment; (2) conveying the biochemical tail water into ion exchange resin to perform resin adsorption and desorption treatment; (3) performing alkali liquor elution on the ion exchange resin after resin adsorption and desorption treatment, and recycling alkaline resin desorption liquid; (4) adding the aluminum chloride and ozone into the recycled alkaline resin desorption liquid to perform ozone catalyzed oxidation treatment; (5) adjusting a pH (potential of hydrogen) value of the resin desorption liquid after ozonation to reach 6-8, performing flocculant precipitation, and conveying theresin desorption liquid into the wastewater adjusting tank to be circularly treated. According to the problem that biochemical treatment of existing high-concentration alkaline resin desorption liquidis difficult as alkalinity is high. According to the method, the high-concentration alkaline resin desorption liquid is treated by the catalytic ozonation technique, and the biodegradability of the resin desorption liquid can be improved.