62 results about "Odor source" patented technology

The invention discloses a microbiological deodorization method, which belongs to the technical field of disinfection and deodorization, and comprises the following steps: S1, preparing a microbial preparation, S2, pre-stirring a strain combination; S3, preparing a deodorant from the prepared composite microbial preparation according to the mass; and S4, putting a prepared deodorant into an ultrasonic atomizer or a spray tower. According to the invention, the microbial preparation is creatively adopted to perform spray deodorization on the odor source, so that the deodorization efficiency is high, the effect is good, the treatment cost of the odor source and odor is effectively reduced, the overall operation difficulty is low, only the polluted area is atomized, the odor is effectively controlled before volatilization, the odor pollution spreading can be effectively controlled, and the influence on the operation environment is avoided; the microbial inoculum is non-toxic, can be naturally degraded, has no residue after deodorization, does not need additional neutralization and filtration, has higher environmental adaptability, and meets the deodorization requirements of small and medium-sized farms and small and medium-sized garbage collection stations.

The present invention relates to a pet sterilizer and deodorizer, which belongs to the technical field of pet deodorization. The present invention promotes the long-term expression of hop extract and enhances the sterilization and deodorization effect through the synergistic effect of hop extract, persimmon tannin, and lysozyme. Furthermore, the composition is stable, natural, and pollution-free, and can be used in the oral cavity and in vitro of animals. The present invention also provides zinc ricinoleate and an antibacterial agent. Through the three-phase interaction of zinc ricinoleate, hop extract, and antibacterial agent, the overall stability is enhanced and the antibacterial time of the complex is prolonged while ensuring antibacterial and deodorizing effects. The present invention also provides a modified quaternary ammonium salt antibacterial liquid. The modified quaternary ammonium salt has enhanced stability and, when present together with zinc ricinoleate, promotes an enhanced deodorizing effect. The present invention also provides an Artemisia annua extract, a Gentiana root extract, and an Artemisia argyi extract, which can eliminate odor sources and significantly inhibit bacterial growth, thereby having significant antibacterial, deodorizing, and odor-removing effects.

The invention provides a low-power-consumption cooperative sewer water body integrated monitoring method. The method comprises the following steps: carrying out model selection and deployment on sensing node hardware of an adaptive scene; a low-power-consumption internet of things network topology and power supply design; a time-sharing triggering acquisition strategy of the multi-modal data is carried out; node-level environment self-adaptive data calibration is carried out; node-level flow velocity-stink association anomaly recognition is carried out; carrying out network-level data fusion and validity verification; collaborative traceability, diffusion simulation and linkage control are carried out. According to the invention, the problems of data distortion, difficulty in source tracing of pollution sources, short equipment endurance and response lag caused by independent collection of flow and stink and environmental interference in traditional sewer monitoring are solved; the integrated effect of ultrasonic Doppler and electronic nose cooperative monitoring, environment self-adaption accurate calibration, odor source rapid positioning and diffusion simulation and low-power-consumption and long-endurance linkage control is achieved.

The embodiment of the invention relates to an intelligent treatment method for a toilet peculiar smell source, which comprises the following steps: firstly, acquiring real-time temperature, humidity, various gas concentrations and peculiar smell intensity from a temperature and humidity sensor, an ammonia gas sensor, a hydrogen sulfide sensor, a TVOC (Total Volatile Organic Compound) sensor and a peculiar smell sensor according to a preset frequency to form current monitoring data; then, whether all the gas concentrations exceed the threshold value or not is recognized, if yes, the force of the ventilation and exhaust device is reduced, and the ion generator and the photocatalytic oxidation module are closed; if not, the ventilation force is increased, the device is started, and the deodorant atomizing and spraying device is driven to spray. Then, whether the odor intensity exceeds a threshold value or not is judged, if yes, an environment monitoring vector is generated based on current data, an odor source recognition model is input to obtain a classification vector, the total probability of the sources exceeding the threshold value is counted, a manual cleaning instruction is sent to a cleaning client when the total probability is larger than 0, and precise treatment of the toilet odor is achieved.

The invention belongs to the field of multi-odor scene presentation, and particularly relates to a multi-odor-source odor scene dynamic presentation method and system, and the method comprises the steps: obtaining the odor source release point information of a current space, and simulating the odor concentration distribution field of each release point through a distributed simulation model; calculating a mixed odor concentration distribution field through an odor mixing model, and fusing the mixed odor concentration distribution field with the spatial position coordinates to form a mixed odor position concentration distribution field; according to the real-time position and orientation of the advancing individual, the mixed odor concentration distribution of the current position point is matched and secondarily adjusted; inputting the adjusted mixed concentration control vector into a fuzzy control model, generating a smell release instruction, and controlling a smell release device to release mixed smell with corresponding concentration; and finally, dynamically adjusting the released mixed odor and concentration by updating the odor source release point information and the advancing direction of the advancing space in real time. According to the invention, accurate simulation and real-time presentation of mixed odor in a complex space are realized through a multi-level data processing and dynamic adjustment mechanism.

The present application belongs to the field of multi-odor scene presentation, and particularly relates to a multi-odor source odor scene dynamic presentation method and system, comprising: acquiring odor source release point information of a current space, simulating odor concentration distribution fields of each release point by using a distributed simulation model; calculating a mixed odor concentration distribution field by an odor mixing model, and fusing with space position coordinates to form a mixed odor position concentration distribution field; matching and secondarily adjusting the mixed odor concentration distribution of the current position point according to the real-time position and orientation of the individual; inputting the adjusted mixed concentration control vector into a fuzzy control model to generate an odor release instruction, and controlling the odor release device to release the mixed odor with the corresponding concentration; and finally dynamically adjusting the released mixed odor and concentration by real-time updating the odor source release point information and the moving direction of the space; the present application realizes the accurate simulation and real-time presentation of the mixed odor in a complex space through multi-level data processing and dynamic adjustment mechanism.

The invention belongs to the technical field of sulfur hexafluoride leakage detection, and relates to a biological detection method for sulfur hexafluoride leakage based on odorous dogs and GIS space positioning. Comprising the following steps: step 1, selecting dogs and performing special training; selecting dogs with high olfactory sensitivity, taking SF6 gas or equipment operation gas as a target smell source, establishing conditioned reflex through smell-reward training, and inhibiting interference on oil smell and dust; step 2, preparation before field detection; a ventilation system is closed to stabilize the smell, an anti-puncture sheath is arranged for the dog, and a tractor wears high-voltage protective clothing to ensure that the equipment is grounded; step 3, grading detection and accurate positioning; a dog census GIS equipment in a zigzag path, marks a suspicious area through warning, then sniffs key points such as a flange and an insulator in a close range, and remeasures and confirms a leakage point in combination with a portable leak detector. According to the invention, by using the advantages of sensitive smell and strong maneuverability of the odorous dog, the SF6 gas leakage of the GIS / GIL equipment can be quickly, efficiently and accurately positioned.

An odor detection device (1) includes an odor sensor (10), environmental information measurement means (11, 12), odor information collection means (20), difference information acquisition means (21), and correction means (22). The odor sensor (10) detects information on an odor emitted from an odor source (2). The environmental information measurement means (11, 12) measures information on an environment, correlated with the amount of water vapor contained in surrounding gas. The difference information acquisition means (21) acquires the difference amount of water vapor, indicating a difference between information on an environment surrounding the odor sensor (10) and information on an environment surrounding the odor source (2). The correction means (22) corrects information on an odor, collected by the odor information collection means (20), on the basis of difference information acquired by the difference information acquisition means (21).

This invention discloses an amine liquid tank liquid sealing system, belonging to the petrochemical field. The amine liquid tank liquid sealing system includes an amine liquid tank and an amine liquid sealing tank, wherein the bottom of the amine liquid sealing tank is higher than the top of the amine liquid tank; the top of the amine liquid tank is connected to the top of the amine liquid sealing tank; and the bottom of the amine liquid sealing tank is connected to the amine liquid tank. This invention solves the problem of hydrogen sulfide emissions from amine liquid tank exhaust gas under normal and stable operating conditions by optimizing the on-site layout of the water sealing tank and improving the liquid sealing medium of the water sealing tank. This provides technical support for the control of odor sources in the plant and the creation of an odor-free factory.

The present application provides a method for the whole-process supervision of medical waste based on an intelligent medical waste monitoring platform, including: matching the collected odor data with the pre-established medical waste odor component data to determine the type of medical waste to which the odor source belongs and determining whether the odor concentration exceeds a preset threshold; if the odor concentration exceeds the standard, obtaining microbial information based on the correlation between the odor component information and microorganisms, and combining with the temperature and humidity control parameters of the air conditioner to evaluate the risk of microbial growth; simulating the air flow distribution of the air conditioning system, combining with the layout of the air outlet positions of the air conditioner to predict the diffusion path and influence range of the odor in different areas of the hospital, and generating an odor diffusion heat map; according to the optimized disinfection plan, controlling the air conditioning system to enter the disinfection mode, adjusting the fresh air introduction ratio and the filtration efficiency level, and spraying disinfectant in key areas, and monitoring the disinfection effect in real time.

1. The name of the design product: negative pressure fresh air ion deodorization all-in-one machine. 2. The use of the design product: for industrial environment deodorization and garbage transfer station, garbage sorting center, farm, toilet, etc. odor source. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention belongs to the technical field of bathroom equipment, and discloses a suction deodorization device and a toilet stool, and the suction deodorization device comprises a sealing shell, a suction assembly and a cover body. The sealing shell is provided with an inner cavity, a first water seal can be formed in the inner cavity, and a discharge port is formed in the side wall of the sealing shell and communicated with an external discharge space; the suction end of the suction assembly selectively communicates with an odor source, and the discharge end of the suction assembly is located in the sealing shell; the cover body is movably arranged in the sealing shell, the cover body can be far away from and open a port of the discharge end under the action of fluid at the discharge end of the suction assembly so that the discharge end can be communicated with the discharge port, the cover body can also be close to and block the port of the discharge end, and when the cover body blocks the port of the discharge end, the bottom of the cover body is inserted into the first water seal. According to the suction deodorization device, the deodorization effect can be effectively improved, odor dissipation is avoided, no extra agent needs to be placed, operation is convenient and fast, and the use experience of a user is improved.

The invention provides a livestock and poultry farm ammonia-containing odor treatment and washing liquid regeneration device, and belongs to the field of breeding pollution odor treatment, the livestock and poultry farm ammonia-containing odor treatment and washing liquid regeneration device is characterized in that a first washing assembly is connected with an odor source of a farm, and the first washing assembly removes feed dust in odor to form a first washing liquid; after the second washing assembly is connected to the first washing assembly, the second washing assembly absorbs ammonia gas in the odor and transfers the ammonia gas to a liquid phase, and the second washing assembly oxidizes ammonia in the liquid phase to form a second washing solution; the first settling pond is connected behind the first washing assembly and is connected with a sewage source of the farm, and the first settling pond receives the first washing liquid and the sewage source at the same time for settling and forming first tail water; the circulating assembly is connected behind the first sedimentation tank and is connected with the effluent of the second washing assembly, the circulating assembly mixes the second washing liquid and the first tail water to form second tail water, and the circulating assembly performs denitrification and mud-water separation on the second tail water to form regenerated liquid; the regeneration liquid is conveyed to the first washing assembly and the second washing assembly and used for odor washing.

An intelligently controlled odor concentration adjusting device and an application method therefor. The intelligently controlled odor concentration adjusting device comprises a device body, a liquid odor source module, a solid odor source module, an air guide tube, a concentration measurement device (5), a master controller (13) and an operation interface (11), wherein the liquid odor source module and the solid odor source module are both arranged in the device body, and are connected to the air guide tube; the liquid odor source module and the solid odor source module each comprise a plurality of odor channels; the concentration measurement device (5) is fixedly connected to the air guide tube; and the operation interface (11), the liquid odor source module, the solid odor source module and the concentration measurement device (5) are all connected to the master controller (13).

The present invention provides a device and method for measuring the repulsiveness of grain insects. The device comprises a test chamber for housing test insects; an odor source release unit disposed on one side of the test chamber and connected to the test chamber; an odor guide unit disposed on a side of the test chamber opposite the odor source release unit and connected to the test chamber; the odor guide unit comprises a negative pressure air pump and an airflow guide, connected to the airflow guide; a first end of the airflow guide has multiple guide holes, connected to the test chamber via the multiple guide holes; and an observation unit disposed at the top of the test chamber. The device ensures unidirectional and balanced gas flow within the test chamber through the odor source release unit and the odor guide unit, forming a parallel, unilaterally moving odor field. This facilitates observation of the test insect's repulsive behavior and simulates the attraction or repellency of odorants in a grain storage environment on the test insects.

The invention relates to the technical field of pest trapping and monitoring, and discloses a pest trapping and monitoring device capable of carrying out spectrum adjusting.The pest trapping and monitoring device comprises a trapping box installed on a vertical rod, an air guide assembly is further arranged in the trapping box and comprises an annular air guide ring arranged on the top layer, and an air guide nozzle inclining downwards is arranged on the annular air guide ring; the annular air guide ring is downwards communicated with an air bin, a smell source is arranged in the air bin, the air bin of the air guide assembly is communicated with an air pump, the air pump is connected with a spectrum adjusting controller of the trapping light source in a controlled mode, and the spectrum and the airflow velocity are adjusted according to the types of pests needing to be attracted. Precise attraction, efficient capture and long-term stable monitoring of target pests are realized through cooperative cooperation of spectrum adjustment and annular wind guide capable of adjusting the flow speed; the problems that an existing spectrum adjusting trapping device neglects pest airflow tropism, smell transmission efficiency is low, the trapping rate is insufficient, and due to the fact that a light-transmitting cover is prone to dust accumulation, trapping pertinence is poor, and stability is weak are solved.

The application discloses an odor control system and method for a toilet, belonging to the technical field of sanitary wares. The system comprises three core modules: a negative pressure capture unit, a gas transmission path, and a negative pressure generating device. The gas transmission path adopts a dual-path compatible architecture: one is an isolation section bypassing the water seal (integrated in the double-channel flange plate), and the other is a hydrophobic capillary tube (inner diameter 0.5-2.0 mm, preferably 0.8-1.5 mm, contact angle ≥110°) passing through the water seal. The negative pressure generating device supports three types of brushless DC centrifugal fans, piezoelectric micropumps, or Venturi ejectors, with the maximum working negative pressure strictly limited to ≤50 Pa, which is much lower than the national standard water seal static breaking threshold of 490 Pa, forming a safety redundancy coefficient of ≥9.8 times. The method includes source negative pressure capture, dual-path safe discharge, quantitative negative pressure driving, and intelligent control (pre-pumping for sitting, delayed shutdown, VOC speed regulation, water seal self-checking, and capillary tube backflush self-cleaning). The application realizes zero leakage of odor sources, zero disturbance of water seals, low noise, low cost, and full-scene compatibility, with an incremental cost of a new toilet of ≤40 yuan and a cost of a stock retrofit kit of ≤65 yuan, which has great industrialization promotion value.

The invention relates to the technical field of garbage treatment, and discloses a negative pressure operation control method, device and equipment for a garbage incineration power plant and a medium. The method comprises the steps that a ventilation network system is generated, and the ventilation network system takes an incinerator combustion fan as a terminal, takes a mechanical ventilator of each odor source workshop as a front end and takes each odor source workshop as a link point; acquiring operation state parameters of the ventilation network system; and on the basis of the operation state parameters, the operation frequency of each mechanical ventilator is adjusted with the real-time combustion-supporting air volume of the incinerator as the system boundary condition, so that each odor source workshop is in a negative pressure state, the harmful gas concentration is in a preset safety interval, and meanwhile, the total energy consumption of fans of the ventilation network is minimum. On the premise that effective negative pressure of all odor source workshops is maintained, odor is prevented from escaping, and it is guaranteed that the concentration of harmful gas is within a safety interval, the operation working condition of the draught fan is actively optimized, and the overall energy consumption of the ventilation system is remarkably reduced.

The utility model provides a sniffing experiment table which comprises a first table body and a second table body, the first table body comprises a first table top and a first frame used for supporting the first table top, a smell source box is arranged above the first table top, and an air inlet device is arranged in the first frame; the second table body comprises a second table top, a second frame used for supporting the second table top and a back plate connected to the rear portion of the second table top, a gas analyzer is arranged in the second frame, a plurality of sniffing devices are connected to the back plate, and the lower portion of the smell source box communicates with a gas inlet pipeline and a gas outlet pipeline. The gas inlet device is communicated with the smell source box through the gas inlet pipeline, and the smell source box is respectively communicated with the gas analyzer and the sniffing device through the gas outlet pipeline, so that not only can the experiment table integrating subjective evaluation and objective evaluation be realized, but also the manual operation is convenient, and the whole experiment table is more reasonable in layout.

The invention provides a peculiar smell removal method, device and equipment of clothes treatment equipment and a storage medium, and relates to the technical field of intelligent household appliances. The peculiar smell removing method of the clothes treating equipment comprises the steps that when the peculiar smell concentration captured by the smell sensors is larger than or equal to a first peculiar smell concentration threshold value within a preset time period, the sensor number of the smell sensors and the current peculiar smell concentration of each smell sensor are obtained; according to the number of the sensors and the current odor concentration of each odor sensor, determining an odor source of the clothes treatment equipment; according to the peculiar smell source, controlling the clothes treatment equipment to carry out peculiar smell treatment operation. By means of the mode, real-time monitoring of the peculiar smell of the clothes treatment equipment can be achieved, peculiar smell treatment operation is carried out based on the peculiar smell concentration monitored in real time, and the peculiar smell removal efficiency is improved.

The utility model discloses an air purifier, and relates to the technical field of air purifiers. The air purifier comprises an air purifier body, a first air inlet hole is formed in the rear side of the air purifier body, a corrugated pipe is fixedly connected to one side of the first air inlet hole, an outer frame is fixedly connected to one end of the corrugated pipe, and a clamping mechanism is rotationally connected to the bottom of the outer frame through a damping rotating shaft. The clamping mechanism comprises a damping telescopic rod, one end of the damping telescopic rod is rotationally connected with a connecting rod through a damping rotating shaft, the corrugated pipe, the clamping mechanism and the wind shield are arranged, when a person eats food with heavy smell indoors, the state of the components is adjusted, and the odor source can be approached to the maximum extent; and the air exhaust effect on the peculiar smell source is improved, so that the air purification effect is further improved, the flexibility and practicability of the equipment are improved, and the purification effect of the air purifier and the user experience are further improved.

The invention relates to the technical field of automobile part processing detection, in particular to an automobile metal part processing peculiar smell detection method based on a smell sensor. According to the peculiar smell tracing positioning method based on the concentration rising rate and historical characteristic parameter fusion, tracing positioning is optimized by introducing multi-dimensional gas characteristic parameters, and the accuracy of the system is remarkably improved. Positioning is triggered by using the concentration rising rate instead of absolute concentration, focusing on the change trend of gas concentration, false triggering caused by environmental fluctuation or long-term drifting of a sensor is avoided, and accurate positioning of the odor source is achieved.

This invention discloses a rotating crab trap device, aiming to provide a device that can effectively utilize ocean currents to diffuse bait odors, thereby leveraging the crabs' tendency to swim upstream to find odor sources, thus improving the trapping effect. It includes: a base; a crab trap, rotatably mounted on the base via a central shaft; a bait unit disposed in the center of the crab trap; a guide plate disposed at the top of the crab trap; and two side guide channels, one located on the upstream side of the crab trap and the other on the downstream side. One end of each side guide channel connects to the side of the crab trap, forming a guide opening on the side of the trap, while the other end extends towards the center of the crab trap and faces the bait unit. The opening area of ​​the side guide channel gradually decreases from one end to the other.

The utility model relates to the technical field of experimental devices, and discloses a device for testing behavior response of lepidoptera insects, which comprises an arena and two odor cylinders arranged at the bottom end of the arena, an upper cover is clamped at the top end of the arena, a through hole is arranged in the middle of the upper cover, a gauze element is arranged on the surface of the through hole, and the gauze element is arranged on the surface of the through hole. Two conical pipes communicated with the interior of the arena are arranged at the bottom of the arena, the bottoms of the conical pipes are arranged in an odor cylinder, a sealing cover is arranged at the bottom of the odor cylinder in a threaded mode, an odor disc is arranged in the sealing cover in a clamped mode, and filter paper is arranged in the odor disc; according to the utility model, the smell disc arranged in the smell cylinder is used for placing different smell sources, and the sealing cover is arranged in a threaded manner, so that the smell sources in the smell disc can be flexibly replaced, the taxis behaviors of insects to smell substances can be analyzed, and the behavior reaction of lepidoptera insects can be favorably tested.

The invention relates to the technical field of sewage treatment, and discloses a food sewage integrated intelligent water-gas dual-treatment environment-friendly process which comprises the following steps: S1, sewage station integrated construction: dividing odor sources of sewage station treatment units and equipment rooms into a high-concentration area, a low-concentration area and a clean area according to the concentration, and adjacently arranging the odor sources at the same level; s2, sewage treatment adopts a flow of pretreatment, biochemical treatment and deep treatment, and the biochemical treatment comprises anaerobic, anoxic and aerobic reaction units; odor treatment adopts a corresponding treatment mode according to odor source concentration grading, a high-concentration area adopts closed collection and efficient purification, a low-concentration area adopts local collection and auxiliary purification, and a clean area does not need active deodorization; s3, sewage treatment indexes and odor parameters are collected in real time through a sensor, the treatment parameters are dynamically adjusted through a central control system, and on-demand treatment and energy consumption optimization are achieved.

The application discloses a method and device for determining a source of an odor, equipment, a storage medium and a product, and relates to the technical field of air conditioning equipment control. The method comprises the following steps: obtaining a first TVOC concentration at an air inlet of air conditioning equipment and a second TVOC concentration at an air outlet of the air conditioning equipment; calculating a first difference between the first TVOC concentration and the second TVOC concentration; and determining whether the odor is from inside the air conditioning equipment or outside the air conditioning equipment based on the size relationship between the first difference and a preset threshold. The application can identify the source of an indoor odor.

The application discloses application of 1-octen-3-ol in prevention and treatment of Solenopsis invicta. 1-octen-3-ol has toxicity to Solenopsis invicta, and behavior analysis shows that 1-octen-3-ol also affects various social behaviors of Solenopsis invicta, including aggregation and nest cleaning (deposition of excrement) behaviors, so that the prevention and treatment effect on Solenopsis invicta is achieved. 1-octen-3-ol can also be used as a repellent odor source to produce a repellent effect on Solenopsis invicta, so as to prevent Solenopsis invicta from spreading or invading a specific area. 1-octen-3-ol has the characteristics of easy volatilization, non-toxicity, no residue and insolubility in water, and cannot cause land residue pollution, is not affected by weather, is safer and more effective, and has a wide application prospect in prevention and treatment of Solenopsis invicta.

The utility model relates to a hymenoptera insect smell selectivity experiment device, which belongs to the field of biological science experiment instruments and comprises a movable search box, a transparent top cover is movably attached to the top end of the movable search box, and an experiment mechanism is arranged in the movable search box. According to the hymenoptera insect smell selectivity experiment device, a tested smell source is placed in the two selection chambers respectively, the transparent top cover is quickly screwed after the smell source is placed in, the straight opening end of the inlet pipe and the connecting opening are fixed, tested insects are released, after the tested insects enter the movable search box, selection can be carried out according to the smell emitted by the selection chambers, and then the tested insects can be selected according to the smell emitted by the selection chambers. After being selected according to preferences, the test insects enter through the small ventilation holes, and finally, data such as the number of the test insects entering the small selection chamber or the selection time of a single test insect in the set time are counted, so that the purpose of conveniently carrying out multiple groups of experiments is achieved, and the problems that multiple groups of experiments are inconvenient to carry out at the same time and the actual operation cost is high are solved.

To provide a method for removing malodors in buildings or vehicles that can reduce damage to human bodies, animals and plants, leather products, electric appliances, and the like, and can also shorten a working time.SOLUTION: A method for removing malodors in a building or vehicle includes: a first step involving disinfection of a malodorous zone in the building or vehicle; a second step involving removal of a malodor source in the malodorous zone by means of polishing and / or washing; and a third step involving fumigation of the malodorous zone with hydroxyl radicals produced using a hydroxyl radical generator. The first to third steps are performed in the stated order.SELECTED DRAWING: Figure 1

The utility model relates to the field of spraying devices, in particular to a microbial agent spraying device for sewage treatment, which comprises a base disc, a constant-temperature box, a traction adjusting frame, an extension spraying pipe, a guide spraying pipe and a backwashing solution box, guide spray pipes are arranged on the two sides below a backwashing solution box and can turn and adjust the spraying direction, a shunting box is utilized, a second conveying hose extends to the guide spray pipes and is controlled by a third electromagnetic control valve, and a third conveying hose extends to an extending spray pipe and is controlled by a second electromagnetic control valve. According to the invention, two groups of branch flows are formed to reversely impact the pipeline, so that the internal blockage condition is avoided, and the overall spraying effect is improved, thereby solving the problem that the microbial agent possibly contains some solid particles or viscous substances and is deposited in components such as a nozzle when the microbial agent spraying device is directly sprayed to an odor source and a place needing deodorization by using spraying equipment.