94results about How to "Improve elimination efficiency" patented technology

The embodiment of the invention discloses a cache managing method, a cache managing device and caching managing equipment. The method disclosed by the embodiment of the invention comprises the following steps of recording the access information of accessed data blocks in a target logical unit in a time window, wherein the logical linear space of the target logical unit is divided into the data blocks in the same size; acquiring the access characteristics of the accessed data blocks in the time window according to the access information of the accessed data blocks in the target logical unit in the time window; acquiring the global access characteristics of the target logical unit in a time period according to the access characteristics of the at least partial accessed data blocks in the target logical unit in the time period, wherein the time period comprises at least one time window; caching and managing the data blocks in the target logical unit according to the access characteristics of the accessed data blocks and the global access characteristics of the target logical unit. According to the cache managing method, the cache managing device and the cache managing equipment, the eliminating efficiency of caches can be improved, and the hit rate of the caches is further increased.

A filtering device for determining and disposing of unsolicited emails is mounted at a front end of a mail server of a company. A filtering engine will compare and filter all the received emails. The filtering engine has an online mode filtering module, a black-list filtering module, a specified content comparing module and a conditional content comparing module, all of which are cooperating together to increase the veracity of email judgment.

The present invention is free formaldehyde eliminating agent and its preparation process. The free formaldehyde eliminating agent consists of water, stearamide, sulfuric acid, polysodium acrylate, nonyl phenol oxethyl compound, etc. and is prepared through synthesis under heating condition. When the free formaldehyde eliminating agent in 1 % is added into free formaldehyde solution of 10 ppm concentration, the free formaldehyde eliminating rate may reach 76 % in 10 min. The free formaldehyde eliminating agent is colorless, non-toxic, smell-less and suitable for use in eliminating free formaldehyde in household fitment and production of plywood and paint.

The invention relates to the field of communications, and discloses a linear echo cancellation method and device thereof, and can be used for improving the linear echo cancellation efficiency. The linear echo cancellation method comprises the following steps: respectively analyzing a reference signal and a near-end signal with a whole band into reference signals and near-end signals with N sub-bands, wherein N is an integer greater than 1; performing adaptive filtering on the reference signals with the N sub-bands to obtain estimated echo signals with the N sub-bands; subtracting the near-end signals with the N sub-bands by the estimated echo signals with the N sub-bands to obtain residual signals with the N sub-bands; and performing integrated filtration on the residual signals with the N sub-bands to obtain a residual signal with the whole band, wherein the residual signal with the whole band is a signal subjected to linear echo cancellation. The linear echo cancellation is used for cancelling echoes.

The invention discloses a formaldehyde catching agent, a preparation method thereof and application thereof in formaldehyde removal. The formaldehyde catching agent is a micro-cross-linked polymer, and structural units of the formaldehyde catching agent are shown in the formula I, the formula II, the formula III and the formula IV. In the formula I and the formula II, R1 represents hydrogen or methyl, a represents a natural number ranging from 0 to 500, b represents a natural number ranging from 45 to 950, c represents a natural number ranging from 60 to 850, and d represents a natural number ranging from 1 to 12. R2 represents structural units shown in the formula V and / or the formula VI, x represents a natural number ranging from 1 to 12, y represents a natural number ranging from 1 to 12, and x+y=d. The amino group density of the formaldehyde catching agent is high, namely the value of a+ b+c is large because the amide group in the formula I, the primary amino group in the formula II and the secondary amino group in the formula III all can react with formaldehyde, wherein the activity of the primary amino group is the maximum, the activity of the secondary amino group take the second place, and the activity of the amide group is the minimum. The formaldehyde removal efficiency is high. The formaldehyde catching agent is of a ring structure, has high affinity for base material fibers such as fabrics and carpets and is easily adsorbed onto base materials actively during impregnated using.

The invention discloses an image sawtooth removing method. The removing method comprises following steps: firstly confirming a boundary of sawtooth which needs removing in an image, conducting fitting for the boundary, according to relation among pixel points in the range set by two sides of a route of the boundary and the closest boundary, and image transparency obtained by dismantling of the image, mending the pixel points of two sides of the route of the boundary, and finally calculating degree of fusion of the pixel points of the route of the boundary, and according to the degree of the fusion, conducting fusion for the pixel points of the route of the boundary. The invention further discloses an image sawtooth removing system. The image sawtooth removing method and the method achieve sawtooth removing of the image through small interactive modes and greatly improve efficiency of removing of the sawtooth of the image. By checking, processing effect of the image sawtooth removing method is not poorer than a manual mode of removing of the sawtooth.

The invention discloses a Chinese herbal medicine formaldehyde scavenger and a preparation method thereof. The Chinese herbal medicine formaldehyde scavenger contains the following raw materials in parts by mass: 5-10 parts of fructus forsythiae, 5-10 parts of folium artemisiae argyi, 6-15 parts of cassia seeds, 10-15 parts of lonicera japonica, 5-15 parts of radix isatidis, 10-20 parts of herba artemisiae, 5-10 parts of herba houttuyniae, 3-6 parts of cassia barks, 3-10 parts of dried tangerine peels, 1-5 parts of radix sophorae subporstratae, 5-10 parts of aloe vera, 5-10 parts of taraxacum mongolicum, 5-10 parts of folium isatidis and 5-10 parts of mint leaves. According to the Chinese herbal medicine formaldehyde scavenger and the preparation method thereof, the production process is simple, the preparation cost is low, the produced Chinese herbal medicine formaldehyde scavenger can be used for remarkably lowering the concentration of formaldehyde in indoor air, and the removal efficiency reaches 90% or more; the durability is good, meanwhile, a good bactericidal effect can be achieved, and the rate of killing of staphylococcus aureus, Escherichia coli, black Bacillus subtilis variants and Candida albicans is 80% or more. Furthermore, the Chinese herbal medicine formaldehyde scavenger is non-toxic, nonirritant and readily-degradable.

A method for efficiently removing chemical groups from surface of supercapacitor carbon and the supercapacitor carbon are disclosed. The method comprises the steps of weighing a certain weight of supercapacitor carbon powder, mixing and dissolving the supercapacitor carbon powder into distilled water at the mass ratio of carbon to water of 1: 20; magnetically stirring at the constant temperature to enable the carbon powder to be fully suspended; adding hydrazine hydrate drop by drop to the suspension liquid based on the mass ratio of carbon to hydrazine hydrate of 1:0.5-1:3.0; keeping the water bath temperature of 60-100 DEG C, and reacting for 30-120 minutes, after reaction, filtering, washing the carbon layer for three times by distilled water, putting the sample after being filtered in an oven at the temperature of 105 DEG C and taking the product out three hours later to obtain the supercapacitor carbon, wherein the surface functional groups of the supercapacitor carbon are eliminated. The supercapacitor carbon product is stable in chemical property, low in capacity fading and long in cycle service life.

There is provided a static eliminator capable of weakening an electric field between a discharge electrode and a ground electrode, to generate a strong electric field between the discharge electrode and a workpiece, in which a first-stage circumferential chamber, a second-stage circumferential chamber and a first gas pool are arrayed in series along the longitudinal direction of a discharge electrode, the first gas pool is disposed in the mode of diametrically overlapping a gas outflow channel for shielding located on the inner circumferential side of the first gas pool, a gas is supplied to the first gas pool through the chambers disposed at multi-stages by means of the circumferentially spaced multi-stage orifices (the first and second chases), a ground electrode plate member in plate shape is buried in an insulating resin member on the bottom surface side of the half base in a position as high as where the first gas pool is located, and the ground electrode plate member includes a circular ring section concentric with the discharge electrode.

The invention relates to a ferromagnetic resonance elimination method for detecting the pulse width uniformity of zero sequence current. The method comprises the following steps: judging whether a current transformer detects a zero sequence current between the neutral point of an electromagnetic voltage transformer and the ground; when detecting that the zero sequence current is greater than a preset zero sequence current, calculating the pulse width uniformity of a zero sequence current reaching a preset pulse amplitude in a first preset duration; judging whether ferromagnetic resonance occurs to the electromagnetic voltage transformer according to the pulse width uniformity of the zero sequence current; and when ferromagnetic resonance occurs to the electromagnetic voltage transformer, making a first control switch connected in series with a resonance elimination resistor closed, and eliminating resonance of the electromagnetic voltage transformer. With the device provided by the embodiment, ferromagnetic resonance can be eliminated accurately and quickly, and the efficiency of ferromagnetic resonance elimination can be improved.

The invention discloses a fermentation method capable of reducing the content of heavy metal cadmium in rice. According to the invention, stable fermentation broth is prepared through necessary soaking or fermentation procedure of deep processing of milled early long-grain non-glutinous rice, and the simple and low-cost method using the stable fermentation broth for reducing the content of heavy metal cadmium in rice is provided. A bacterial strain in traditional fermentation broth, e.g., lactobacillus plantarum, lactobacillus fermenti, lactobacillus salivarius and yeast, is employed to improve the nutrient structure in an impregnation solution used in the process of fermentation, so nutrient supply in the process of microbial fermentation can be increased, the growth rate of microbes is promoted, and the number of live bacteria of the microbes in the impregnation solution is increased in a certain period of time. Through improvement of the vitality of lactic acid bacteria, increase of the acidity of the impregnation solution can be accelerated, and impregnation of the acid solution is capable of reducing the content of heavy metal cadmium in rice. In virtue of acid production of the lactic acid bacteria, a complexing bond between the heavy metal cadmium and protein is broken, so cadmium is dissociated; a part of cadmium is adsorbed in virtue of membrane absorption of the microbes at the same time; thus, the content of heavy metal cadmium in rice is substantially reduced after washing.

The invention discloses a preparation method and a use method of a Chinese herbal medicine preparation capable of inhibiting blue-green algae water blooms. The Chinese herbal medicine preparation comprises the following raw materials in parts by weight: 20-50 parts of rhizoma coptidis, 20-50 parts of cortex meliae, 10-20 parts of herba artemisiae annuae, 5-10 parts of semen strychni, 20-50 parts of radix scutellariae, 20-50 parts of cortex phellodendri, 20-50 parts of rhizoma pinelliae, 5-10 parts of radix aconiti lateralis praeparata and 5-10 parts of radix et rhizoma rhei. The Chinese herbalmedicine preparation provided by the invention is rich in allelochemicals, and active allelochemicals including alkaloid allelochemicals, phenol allelochemicals, citrin fatty acid allelochemicals, sesquiterpene diterpenoid allelochemicals, coumarin allelochemicals and flavone allelochemicals in the raw material destroy the structure and the functions of a blue-green algae cytomembrane by influencing the photosynthesis of the blue-green alga, so that the effects of killing the blue-green alga and inhibiting the water bloom phenomenon of the blue-green alga are achieved; the raw materials of the Chinese herbal medicine preparation are natural Chinese herbal medicines, so that the Chinese herbal medicine preparation is safe, efficient, nontoxic and harmless without generating secondary pollution; the Chinese herbal medicine preparation is less in use dosage, high in elimination efficiency to the blue-green algae water blooms and short in reaction time; and the Chinese herbal medicine preparation can be widely applied to the process of inhibiting blue-green algae water bloom growth or treating outbreak of the blue-green algae water blooms.

The invention discloses biological nanometer magnetite, and a preparation method and application thereof. The biological nanometer magnetite is prepared from iron reducing bacteria and iron oxide. Thepreparation method comprises the following steps: inoculating iron reducing bacteria into iron oxide, adding an electron donor, adjusting a pH value, removing oxygen, and conducting culturing to obtain the biological nanometer magnetite. The preparation method further comprises the following steps: centrifuging the obtained biological nanometer magnetite, then conducting cleaning with water and absolute ethyl alcohol in sequence, and successively carrying out separating and drying. The biological nanometer magnetite provided by the invention is small in particle size and rich in ferrous iron,and has high adsorption characteristic and reducibility. Compared with a traditional bioremediation method, when the biological nanometer magnetite provided by the invention is used for repairing, the toxicity of an organochlorine concentration to microorganisms is prevented, the biological nanometer magnetite has the advantages of capability of treating high-concentration organochlorine pesticides, high elimination efficiency and the like, the elimination rate of pentachlorophenol, with a concentration as high as 10 mg / Kg, in soil is as high as 91.56%, and secondary pollution is avoided.

The invention discloses a white smoke eliminating control system which comprises a desulfurization unit, a dust eliminating unit, a control unit and a discharging opening, wherein the desulfurizationunit, the dust eliminating unit, the control unit and the discharging opening are successively connected. The control unit comprises a detecting module, an upper computer, a hot saw PLC, an induced draft fan and a mixing module, wherein the detecting module, the upper computer, the hot saw PLC, the induced draft fan and the mixing module are successively connected. According to the white smoke eliminating control system and the method thereof, through detecting state of pipeline gas after desulfurization and dust eliminating and atmosphere state, temperature and humidity of the pipeline gas are intelligently adjusted, and furthermore the pipeline gas is discharged, thereby realizing a purpose of eliminating the white smoke. Furthermore, the invention further provides a method for adjustingthe temperature and the humidity of the pipeline gas, wherein a purpose of intelligent control on the temperature and the humidity of the pipeline gas is realized through introducing residual heat ofa sintering machine and controlling the input amount of the residual heat of the sintering machine.

The invention proposes a method and device for eliminating highlight areas and a terminal. The method includes determining corresponding neighborhood for each of a plurality of highlight areas to be eliminated; determining a first preset parameter value of each highlight area to be eliminated and determining a second preset parameter value of the corresponding neighborhood; based on the first preset parameter value and the second preset parameter value, determining information of difference between each highlight area to be eliminated and the corresponding neighborhood, thereby obtaining a plurality of pieces of difference information; and performing elimination processing on the highlight area to be eliminated to which the difference information belongs by a filter according to intensity information corresponding to each piece of difference information. Through the method provided by the invention, a highlight area elimination effect can be effectively improved, and elimination efficiency can be improved.

The invention discloses a fast denoising blower fan comprising a spiral case and an impeller, and a second impeller; the impeller and second impeller are staggered; a worm tongue is arranged between the spiral case and the air outlet; the worm tongue tip leans to the impeller; the air outlet end is screwed with a denoising barrel; 1 / 2 inner wall, close to the worm tongue, of the denosing barrel is provided with a first denoising member; the rest 1 / 2 inner wall of the denoising barrel is fixedly provided with a second denoising member; the distance between the highest point of the first denoising member and the denoising barrel inner wall is A; the distance between the highest point of the second denoising member and the denoising barrel inner wall is B, and A>B. The first denoising member can denoise high db rotation noises formed by fast airflow and the worm tongue; the second denoising member can denoise low db rotation noises; airflow layers of different speeds in the spiral case can be differentially treated, thus ensuring airflow in the air outlet to quietly and stably output.

The invention relates to the technical field of cosmetics, in particular to an antibacterial and moisture preservation mask with the mild touch sense and a manufacturing method thereof. Glycerol contents are not added in a product; after the face is coated with the mask, the touch sense is mild but not sticky or greasy; under the effects of emulsifying and thickening ingredients such as acrylic ester / vinyl isodecanoate crosslinked polymers, dimethicone, carbomer and butanediol, after the still standing for 4 to 8 h after the coating of the product, the surface layer is in a half solidified state; the influence of the product on bedding, mattress and pillows under unconscious actions during deep sleeping can be reduced. In addition, through the use of nanometer silver with strong antibacterial and bactericidal effects, the complementary effect is achieved with allantoin, and D-panthenol antibacterial and bactericidal ingredients in the formula, so that the antibacterial and bactericidalcapability of the product is improved. The synergistic effect is achieved with moisture preservation ingredients of trimethylglycine trimethylglycocoll, phycite, sodium hyaluronate and the like in the product; the skin fine blood vessels, inflammation or acne are fast restored; meanwhile, watery and glossy states are restored.

The invention discloses a power distribution network single-phase earth fault arc extinguishing method, device and equipment and a storage medium, and the method comprises the steps: determining a feeder line with a reduced phase voltage and an increased phase current from a power distribution network, and enabling the feeder line to serve as a fault feeder line with an earth fault; calculating the impedance value of a grounded impedance branch according to the load impedance of the fault feeder line, and setting an impedance branch; connecting the impedance branch to a bus where the fault feeder is located; detecting the zero-sequence current of the fault feeder line; and adjusting the impedance value of the impedance branch based on the zero-sequence current so as to reduce the zero-sequence current. The impedance value of the impedance branch is calculated by using the load impedance of the fault feeder line, so that the impedance branch can be matched with the fault feeder line, and when the impedance branch is connected to the bus where the fault feeder line is located, the fault current of the fault feeder line is eliminated to the maximum extent; and the impedance value of the impedance branch is adaptively adjusted according to the zero-sequence current of the fault feeder line, so that the fault current of the fault feeder line can be further reduced.

The invention provides an elimination method and device for highlight areas and a terminal. The method comprises the steps that a face area in an image is determined and serves as a first image; a probability graph of the first image based on the highlight areas which different image parameters are subordinate to is determined; smoothing processing is performed on multiple to-be-eliminated highlight areas in the first image based on the probability graph, and a second image after smoothing processing is obtained; and fusion processing is performed on the first image based on the second image and the probability graph to eliminate the highlight areas in the first image. Through the elimination method and device, detailed information of the original image can be better reserved, the elimination effect of the highlight areas is effectively improved, and elimination efficiency is improved.

The invention discloses a blue-green algae Chinese herbal medicine inhibitor as well as a preparation method and a use method thereof. The blue-green algae Chinese herbal medicine inhibitor is prepared from the following raw materials in parts by weight: 20-50 parts of rhizoma coptidis, 20-50 parts of cortex phellodendri, 10-20 parts of rhizoma polygoni cuspidati, 5-10 parts of radix bupleuri, 5-10 parts of jujube, 5-10 parts of dried ginger, 5-10 parts of seaweed, 1-5 parts of herba hedyotidis diffusae, 1-5 parts of rhizoma sparganii, 1-5 parts of black nightshade herb and 1-5 parts of herbascutellariae barbatae. The Chinese herbal medicine preparation provided by the invention is rich in allelochemicals, and active allelochemicals including alkaloid allelochemicals and coumarin allelochemicals in the raw material destroy the structure and the functions of a blue-green algae cytomembrane by influencing the photosynthesis of the blue-green alga, so that the effects of killing the blue-green alga and inhibiting the water bloom phenomenon of the blue-green alga are achieved; and through the synergistic effect of added Chinese herbal medicines with the effects of sterilization, bacteriostat and deodorization and the allelochemicals capable of inhibiting water blooms of the blue-green alga, the generated foul smell is removed in the process of inhibiting water blooms of the blue-green alga.

The invention relates to a deicing platform for a high-voltage line. The deicing platform for the high-voltage line comprises induction wires, a capacitance measurement circuit, a microprocessor and a robot main body structure, wherein the induction wires are mounted in parallel with the high-voltage line, the capacitance measurement circuit is used for measuring a capacitance value between the induction wires and the high-voltage line, the microprocessor is used for determining the thickness of a real-time ice layer of the high-voltage line based on the capacitance value, and the robot main body structure is connected with the microprocessor through a wireless communication link and is used for controlling the deicing strength on the high-voltage line based on the thickness of the real-time ice layer of the high-voltage line. According to the deicing platform for the high-voltage line, the thickness of the ice layer of the high-voltage line can be accurately detected, and a deicing policy corresponding to the thickness of an ice layer can be determined.

The invention discloses a comprehensive aging treatment method for a railway traffic equipment large metal component. The method includes the steps that the large metal component is installed on a vibration and temperature comprehensive test table; the positions of a vibration test control point and a responding point are determined; a sine scanning vibration test is performed on the large metal component; the resonant frequency of the large metal component is determined; resonant frequency point fixed-frequency sine vibration and temperature cycle comprehensive aging treatment or resonant frequency point fixed-frequency sine vibration and constant temperature comprehensive aging treatment is performed on the large metal component; wide band random vibration and temperature cycle comprehensive aging treatment or wide band random vibration and constant temperature comprehensive aging treatment is performed on the large metal component; and the comprehensive aging treatment in the vertical direction, the transverse direction and the longitudinal direction of the large metal component is completed. The comprehensive aging treatment method for the railway traffic equipment large metal component can fast and effectively eliminate the remaining stress of the large metal component.

The invention relates to a deicing platform for a high-voltage line. The deicing platform comprises induction wires, a capacitance measuring circuit, a microprocessor and a robot body structure, wherein the induction wires are erected parallel to the high-voltage line, the capacitance measuring circuit is used for measuring a capacitance value between the induction wires and the high-voltage line, the microprocessor is used for determining the real-time ice layer thickness of the high-voltage line based on the capacitance value, the robot body structure is connected with the microprocessor through a wireless communication link and is used for controlling the strength of deicing the high-voltage line based on the real-time ice layer thickness of the high-voltage line. By means of the deicing platform, the ice layer thickness of the high-pressure line can be accurately detected, and the deicing strategy adaptive to the ice layer thickness can be made.

The embodiment of the invention provides a method and device for eliminating moire patterns in an image. The method comprises the steps that a target image containing the moire patterns is acquired; inputting the target image into a preset generator, and taking the output of the generator as a moire elimination image corresponding to the target image, wherein the generator is a deep convolutionalneural network which is obtained through training by applying a preset generative adversarial network and is used for eliminating moire in the image. According to the method and the device, the elimination efficiency of the moire in the image can be effectively improved, the quality of the image after moire elimination can be effectively improved, and the definition of the image after moire elimination can be effectively improved.

The invention relates to a water hammer effect eliminating device. The eliminating device is used for eliminating acting force in the whole circumferential direction by disturbing impact water flows through rotation of splitter plates; and the eliminating device is characterized in that a water inlet connecting pipe is connected with one end of a main pipe body, a water outlet connecting pipe is connected with the other end of the main pipe body, the outer diameter of the water inlet connecting pipe is smaller than that of the main pipe body, the outer diameter of the water outlet connecting pipe is smaller than that of the main pipe body, the pipe wall of the main pipe body arches outwards to form a ring sleeve, a rotor ring is sleeved with the ring sleeve, gear teeth are arranged on theouter side face of the rotor ring, clamping blocks are arranged on the inner wall of the ring sleeve, clamping grooves are formed in the positions, corresponding to the clamping blocks, of the rotor ring, the inner side of the rotor ring is exposed out of the ring sleeve, the two sets of splitter plates are arranged on the rotor ring and located on the two sides of the rotor ring, the widths of the splitter plates are gradually reduced from outside to inside of the main pipe body, the splitter plates are attached to the inner wall of the main pipe body, and one end of a pressure relief cylinder is arranged on the main pipe body and close to the other end of the main pipe body.

The present invention provides a highlight area elimination method and device and a terminal. The method comprises: determining centers of mass of each highlight area to be eliminated in a plurality of highlight areas to be eliminated; determining the object radius of pixel points corresponding to the centers of mass in each highlight area to be eliminated, and obtaining target radiuses respectively corresponding to each highlight area to be eliminated; and based on filters having dimensions corresponding to the target radiuses, performing elimination processing of the highlight areas where the target radiuses belong to. The highlight area elimination method and device and the terminal can effectively improve the highlight area elimination effect and improve the elimination efficiency.

A tuner and a demodulating unit thereof are provided. A trap filter for a specific frequency is installed in the IF demodulating unit so as to eliminate a frequency signal acting as a beat component.

The invention discloses a device for eliminating welding residual stress based on electromagnetic energy. The device includes a power supply system, an electromagnetism generator system and a coolingsystem, wherein the electromagnetism generator system includes a plurality of electromagnetic generators, and each electromagnetic generator includes a coil and a U-shaped iron core; the U-shaped ironcore is wound with the coil, and all the cores are connected with the power supply system; the cooling system is used for cooling the electromagnetism generator system; the electromagnetism generatorsystem is positioned right above a welding plate to be treated; and the treatment time for eliminating the welding residual stress is defined according to the length of the welding plate to be treated and amount of the U-shaped iron cores. According to the invention, energy for eliminating the welding residual stress is provided, joint microstructures cannot be affected, and corresponding performance of the joint is improved; stress relief is carried out instantly along with welding equipment, and can be carried out after welding is completed, so that high adaptation is realized.

The invention belongs to the field of waste gas treatment, and particularly relates to a multifunctional efficient waste gas treatment system, which comprises a dust removal mechanism and a deodorization mechanism, wherein the dust removal mechanism comprises a box body, one side of the top end of the box body is connected to a gas inlet pipe, a partition plate with an L-shaped vertical cross section is mounted in the box body, and is hermetically connected to the inner wall of the box body, a wind pump is mounted at the top end of the box body, the output end of the wind pump is connected toa gas discharge box fixed to the side wall of the partition plate through a conduction pipe, a plurality of wind guide holes are formed in the horizontal section of the partition plate, filtering bagsare installed in the wind guide holes, arc-shaped covers fixed to the bottom end of the horizontal section of the partition plate are installed on the outer portions of the filtering bags, a plurality of wind inlet holes are formed in the arc-shaped covers, filtering screens are installed at the wind inlet holes, a motor is installed on the inner wall of the box body, and the output shaft of themotor is connected to a rotating rod. The multifunctional efficient waste gas treatment system of the invention can achieve the cooling, dust removal and deodorization of waste gas, and is good in waste gas treatment effect and high in treatment efficiency.