31results about How to "Reduced maintenance" patented technology

The invention provides a method for evaluating the risk of a regional grid on line by using a D5000 system, which comprises the following steps: (1) acquiring the grid operation data and the state of a system; (2) selecting an expected fault set and analyzing the fault; (3) judging the effect caused by the grid according to the expected fault, carrying out the step (4) if the power supplying risk appears, and otherwise, returning to the step (2); and (4) calculating the risk indicator and the prompting risk according to the risk indicator. According to the method for evaluating the risk of the regional grid on line, the probability of the current state of the system, the probability of the possibility of the fault and the severity of the fault are considered comprehensively, so as to help the dispatchers to analyze and find out the potential risk of the system.

The present invention relates to a method for preventing air preheater from producing low-temperature corrosion. Said method includes the following measures: placing the air preheater into an air duct for providing distributed air for boiler, making the interior heating working fluid boiler feedwater of the air preheater be flowed out from the air preheater and divided into two portions, making one portion be fed into the flue gas cooler set in the flue to cool hot flue gas in flue, and another portion can be directly fed into the coal-saving device placed in the fuel, so that it can prevent the heated surface of air preheater from producing low-temperature corrosion and ash plug.

The invention relates to an automatic update method of an embedded terminal based on the OTA technology and belongs to the technical field of embedded terminal update. A system comprises the embedded terminal and an OAT update server, wherein the OAT update server comprises a Soap server and a download server, and the embedded terminal submits a request for updating a data packet when an embedded terminal user starts the embedded terminal each time; the Soap server sends update information to the embedded terminal according to the request of the embedded terminal; and the embedded terminal determines whether to request the download server for update according to the data returned by the Soap server. The automatic update method has the advantages that the method is not limited to mobile terminals and the OTA technology is applied to the embedded terminal; storage and management problems of the embedded terminal system and software are solved, and server resources are effectively used; the system and the software are maintained and managed uniformly by the server, security is guaranteed, and deployment and maintenance are reduced simultaneously; and automatic download is supported and user experience is improved.

The invention relates to a digital transformer station secondary system which comprises a background monitor workstation, a remote workstation, a protecting device, a measure and control device, a switch device and an electronic mutual inductor. The system has the main technical characteristics that the background monitor workstation, the remote workstation, the protecting device and the measure and control device are connected onto all-station network by an optical fiber interface; the measure and control device is a local measure and control device which is connected with data of the electronic mutual inductor through another optical fiber interface and connected with outside input data by an I/O interface. The system combines station control layer network and process layer network into the all-station network, so as to lead the network of the system to be better simplified, be convenient for the network configuration of a digital transformer station, save the investment of a digital transformer station secondary device, reduce the maintenance of the digital transformer station, and improve the working efficiency.

The invention discloses a mine-used combined frequency converter, which consists of an explosion-resistant enclosure, frequency converters, a cooling device, built-in electric reactors and filters and so on, and has a combined structure, that is, a plurality of frequency converters are arranged in the explosion-resistant enclosure. A main controller for controlling the frequency converters, a refrigeration device, an isolating switch, and a pilot control circuit can be arranged in the explosion-resistant enclosure. The mine-used combined frequency converter is applicable to the frequency control and centralized control of multi-point driving and single-point driving of a plurality of equipment motors in explosive gas environments such as underground coal mines. The combined structure has centralized equipment and small occupation space, reduces installation and maintenance workload, and reduces the cost. The built-in main controller can intensively control the working state of the frequency converters and meet various control requirements; and the man-machine conversation is realized through a keyboard display, which has flexible control and convenient setting. A heat pipe radiator has high efficiency; and the built-in refrigeration device strengthens the temperature reduction and improves the service life of the frequency converters. An alternating current voltage-stabilizing pilot circuit has simple external connection. The mine-used combined frequency converter has the advantages of simple structure and easy production.

The invention discloses an expressway bridge drainage structure, and belongs to the technical field of expressway bridge drainage. The drainage structure includes drainage ditches on an expressway bridge pavement, draining holes at the bottoms of the drainage ditches, anti-blocking assemblies at the internals of the draining holes, drainage ports at the bottoms of an expressway bridge and fixing concrete blocks on the two sides of the expressway bridge; the drainage ditches are located on the two sides of the expressway bridge pavement; multiple draining holes are arranged in the length directions at the bottoms of the drainage ditches; the bottoms of the draining holes pass through the expressway bridge pavement; the anti-blocking assemblies are arranged corresponding to the number of thedraining holes; the internals of the fixing concrete blocks are provided with driving assemblies for driving the anti-blocking assemblies to work; and the number of the driving assemblies is consistent with the number of the draining holes. The draining pressure of the main body drainage ditches can be shared by the multiple drainage ports, so that high draining efficiency can be achieved; and the internal of each drainage port is provided with the anti-blocking assembly to perform the cleaning of the drainage ports, so that good anti-blocking effects can be realized, and follow-up overhauling can be reduced.

The invention discloses a domestic refuse suspension-type combustion carbonization pyrolysis system and a treatment technique thereof. The system is sequentially composed of a refuse conveying platform, a suspension-type pyrolysis combustion integrated furnace, a soda lye washer, a honeycomb plasma flue gas treatment device, a power pulse electrochemical photoelectric ion waste gas treatment device, a peculiar smell advanced treatment device containing high-energy oxygen nano water, a deduster and an induced fan. The treatment technique comprises the following steps: carrying out pyrolysis on domestic refuse, combusting, disacidifying by soda lye washing, carrying out plasma ionization to remove dust and tar, carrying out high-power narrow-pulse electron bombardment to promote bond rupture and recombination of stubborn harmful substances, removing flue gas and peculiar smell by using high-energy oxygen water, filtering through the deduster to remove dust, and discharging through the induced fan. The domestic refuse treatment technique disclosed by the invention has the advantages of high decrement degree and higher exhaust emission quality than national standard. The system using the technique has the advantages of low investment, simple operation, high safety and environment friendliness, low carbon and energy saving, and can comprehensively and basically solve the problem in domestic refuse.

The invention discloses a digital integrated protection measurement and control unit with multi-path operation mode. The unit has characteristics that the unit includes a plurality of IED function units. The IED function units are independent and information shared, can realize pooling function, relay protective function, intelligent operation function as a whole and have functions of measuring, controlling, recording wave, system analysis; various internet bus connected with various IED function unit for realizing communication function; an intelligent operating unit that can control internet communication, and can collect states of skip, piece on, piece after, remote of switch, also can collect intelligent operation unit of a remote message defined by user; the remote message defined by user; a user protective unit that can read corresponding information from the IED function unit, process logic calculation, judge and result, and sends various corresponding information to the IED function unit. The digital integrated protection measurement and control unit with multi-path operation mode can realize resource information sharing rapidly without needing network communication, and has low cable amount and simple structure.

The invention provides a power-synthesis transmission device. The power-synthesis transmission device comprises a first input shaft, a second input shaft, a first chain wheel, a second chain wheel, achain, a first motor and a second motor, wherein the first chain wheel is arranged on the first input shaft, the second chain wheel is arranged on the second input shaft, the two chain wheels are connected through the chain, the first motor drives the first input shaft to rotate, and the second motor drives the second input shaft to rotate. The power-synthesis transmission device is characterizedin that the second input shaft is connected with a planetary transmission mechanism through a coaxial transmission part, the planetary transmission mechanism is engaged with an upper bevel gear located on an upper short shaft and a lower bevel gear located on a lower short shaft through a bevel gear pair, a horizontal shaft and a horizontal bevel gear on the horizontal shaft, an upper driving gearis fixed to the upper short shaft, and a lower driving gear is fixed to the lower short shaft. The first input shaft and the second input shaft are subjected to transmission synthesis according to the relation of N=i1N1+Ki2N2, and the value of k is obtained through transmission of the chain wheels; and speed synthesis is achieved through a planetary gear train, and then reversing is achieved through the bevel gears to provide driving force at the same speed and in different directions to the outside. When multiple power-synthesis transmission devices are used in combination, different valuesof k are obtained by means of different chain wheels, and different output speeds N are obtained by means of different input values of N1 and N2.

The invention discloses a light MC (monomer casting) nylon carrier roller for light loads and a method for manufacturing the light MC nylon carrier roller. The light MC nylon carrier roller comprises a roller body, a carrier roller shaft, a bearing block, a bearing, an inner sealing ring, an anti-jamming check ring, a dustproof sealing clamp, a sealing felt, an outer sealing ring and a clamp spring. An even number of assembling rib plates are arranged on the outer wall of the bearing block, and the anti-jamming check ring is arranged on the outer side of the bearing block and is fixed when the carrier roller rotates, so that damage to the carrier roller due to materials accumulated beside a belt conveyor can be prevented. The method includes combining an aluminum foil bag with molding sand to manufacture a die core of a die for manufacturing the light MC nylon carrier roller for the light loads; filling the molding sand into the aluminum foil bag to form the die core; coating release agents on the outer wall of the aluminum foil bag; taking out the molding sand from the aluminum foil bag after casting is completed; directly forming a center hole of the roller body of the carrier roller. The light MC nylon carrier roller and the method have the advantages that raw materials can be reduced, a barrel core machining procedure can be omitted, accordingly, the roller body of the carrier roller can be formed at one step, the raw materials and the machining cost of the roller body of the carrier roller can be reduced, and the straightness and the cylindricity of the carrier roller can be guaranteed.

The invention discloses a network quality performance display method, device and system. The network quality performance display method comprises the following steps: obtaining a first row field and a first column field of a matrix view; obtaining a detection result from a detection network according to the first row field and the first column field; extracting each network quality performance data value from the detection results and filling into the matrix view; and displaying the filled network quality performance data value through the matrix view. According to the invention, the network quality performance data of the detection network is displayed in real time by setting the matrix view, therefore, the confusion problem of displaying multiple performance data or performance data of multiple network lines in the same matrix view is solved; and the network can be monitored by the user in real time through the matrix view, therefore, the problem of reducing the visibility and maintainability of the system because of the complex view display is solved, the changes of the network quality performance can be displayed visually, timely and clearly by means of the network performance data, and the workload of the user during network monitoring is reduced.

The invention discloses an automatic clearing method for terminal registry. The method includes comparing registries and on-line lists of Ethernet passive optical network (EPON) or Ethernet over coax (EOC) through a simple network management protocol (SNMP) agent; clearing a terminal with the longest offline time automatically when the registry is full so as to prevent the phenomenon that registration information of an original terminal remains in the registry after a user tests or changes the terminal, and results in failure of normal registration of a new terminal. According to the automatic clearing method for the terminal registry, reliable operation of a device is improved, faults caused by full registries after a long-time running is reduced, positioning of the device with a full registry is accelerated, and maintaining work is decreased.

An integrated operation and maintenance collaborative management method based on power grid data provided by the invention comprises the following steps: preprocessing the collected power network data; if the data is abnormal, generating alarm information; if the data is abnormal, generating alarm information. According to the defect generation rules, the interrelated alarm information is processed, and if the defect exists, the defect information is generated; sending the defect information to the defect generator to remind the defect generator to deal with the related defects; receiving response information returned by the defect generator; receiving a defect treatment result fed back by a defect generator. According to the real defect processing result, the corresponding defect information is deleted or retained, and the defect processing result confirmation information is sent to the defect producing party to remind the defect producing party that the defect processing is completedor the defect still needs to be processed. The invention reduces the operation and maintenance data quantity, makes the final alarm more accurate, reduces the operation and maintenance pressure, saves the manpower and material resources of the on-site maintenance unit, improves the operation and maintenance management efficiency, and is suitable for the electric power system.

The invention discloses a mobile distributed underground cementing filling method and system. The method comprises the steps that tailing mortar and a cementing material of a separating plant are conveyed to at least one working area underground to-be-filled area through pipelines respectively, mixing and stirring are performed on site to prepare a paste filling material, and underground cementingand filling are carried out. By means of the mobile distributed underground cementing filling method and system, the length and complexity of a filling pipe network can be reduced as much as possible, and the conveying distance of the paste filling material which is higher in concentration, large in viscosity and poor in fluidity after the tailing mortar is mixed with the cementing material is shortened; and metering and stirring devices and a filling pump for paste filling material preparation and filling are made close to underground to-be-filled areas of all working areas as much as possible, and long-distance pipeline conveying is adopted for tailing mortar and cementing material which are stable in conveying performance and fluidity. According to the scheme of the mobile distributedunderground cementing filling method and system, the safety and reliability are greatly improved, the running cost is greatly reduced, and remarkable economical efficiency is achieved.

The invention discloses an integrated intelligent flame detection device, which comprises a flame sensor, a selective filter module, an automatic gain amplification module, a central processing module, a first path voltage detection module, a second path voltage detection module, a display module, a communication module and an output module. The input end of the selective filter module is connected with the output end of the flame sensor to filter data sensed by the flame sensor and send the filtered data into the automatic gain amplification module; the input end of the first path voltage detection module is connected with the flame sensor, while the output end of the first path voltage detection module is connected with the central processing module; the input end of the automatic gain amplification module is connected with the selective filter module and the central processing module, while the output end of the automatic gain amplification module is connected with the second path voltage detection module; and the input end of the central processing module is further connected with the second path voltage detection module, while the output end of the central processing module is respectively connected with the display module, the output module and the communication module. The device can be used for effectively solving the peeping problem of the existing structure, therefore, the stability and the safety of the flame combustion are ensured, the economical efficiency is good and the maintenance is easy to realize.

The invention discloses a crane cluster intelligent warehouse communication system and belongs to the field of crane machinery. The crane cluster intelligent warehouse communication system comprises anetwork communication unit and a video communication unit, wherein the network communication unit cooperates with an intelligent crane cluster through an intelligent warehouse logistics management system; the video communication unit cooperates with a central control video monitoring system through an intelligent crane cluster; the intelligent crane cluster includes a plurality of intelligent crane communication sub-modules; the control main station, the vehicle control slave station and the intelligent lifter control slave station of the intelligent crane communication sub-module are equipped with independent CPU substations instead of remote I/O substations so as to achieve the advantages of fast processing speed, stable communication, and independent data storage to avoid data losses in the event of communication disconnection. The intelligent crane communication signals comprise a control signal and a video signal which are transmitted in separate communication networks to avoid bandwidth shortage and data storms.

The invention relates to a crane steel wire rope safety monitoring technology, and solves the problems of cost waste and low crane operation safety caused by inaccurate evaluation results of an existing crane steel wire rope service life evaluation method. The technical scheme is summarized as follows: when goods are hoisted each time, detecting the weight of lifted goods when a steel wire rope is lifted, respectively counting the number of times of lifting under each weight level according to pre-divided weight levels, calculating the service life of the steel wire rope by combining the number of times of lifting corresponding to each weight level and the load coefficient, and further obtaining the remaining life of the steel wire rope. The method has the beneficial effects that when theremaining service life of the steel wire rope is calculated, the actual operation condition of the steel wire rope is combined, the problems of over-maintenance and under-maintenance of the steel wire rope are greatly reduced, the safety is high during crane operation, and the cost waste of steel wire rope maintenance is reduced. The method is particularly suitable for crane steel wire rope service life monitoring systems.

The invention relates to electrical loading unit. It includes loading control, electric machinery, and transducer. The electric machinery is alternating current frequency conversion one. The loading control includes electric network control unit, rectification/feedback unit, inversion unit, and outer control unit. The alternating current frequency conversion electric machinery central axis is connected with axial connecting machine on which the transducer is set. The electrical loading unit is based on the alternating current frequency conversion electric machinery which has higher rotate speed than direct current machine to avoid adding extra raising speed mechanism in high speed occasion and greatly reduce its use-cost. In addition, the alternating current frequency conversion electric machinery is no need to replace electrical brush. This can reduce maintaining quantity and cost for the electrical loading unit.

The invention discloses a shot blasting cleaning device. The shot blasting cleaning device comprises a shell and an impellor stored in the shell. One end cover of the shell guides in a main shaft coaxially assembled with the impellor, the other end cover guides in a shot inlet pipe, the impellor is provided with an impellor cavity with the same axial line with the impellor, and assembly holes areevenly formed in the circumference of the impellor, wherein the assembly holes are straight penetrating round holes in the wall face of the impellor. Blades are pipe pieces, the blades are inlaid intothe assembly holes, and connected with the assembly holes through detachable connection structures, and the detachable connection structures are further used for adjusting the rotating angles of theblades around the axial lines of the blades. A jet pipe is provided, one end of the jet pipe is connected with the shot inlet pipe, and the other end of the jet pipe faces to the wall face of the impellor cavity in a plane where the axial line of the main shaft is treated as the normal line. The shot blasting cleaning device can effectively prolong the service life of the blades, and has good maintainability.

A secret key service system of an intelligent card comprises card issuing equipment 100, a front-end processor 200 and an encryption end 300. The card issuing equipment 100 is composed of a plurality of card slots, each card slot is used as an independent client to generate card issuing information, an instruction interface is called to encapsulate the card issuing information into an encryption request instruction in a unified format, and the encryption request instruction at least comprises an instruction type, to-be-encrypted data, an encryption mode and a reference key index. The front-end processor 200 is used as a key service to analyze the encryption request instruction to obtain the instruction type, the to-be-encrypted data, the encryption mode and the reference key index, a corresponding dynamic library, an IP address and a port number are called by the configuration file according to the instruction type, and the parameters are transmitted into the called dynamic library to generate an instruction for the encryption machine, and are sent to a corresponding encryption machine. The interface of the encryption machine analyzes the encryption instruction to obtain data to be encrypted and an encryption mode, encryption processing is carried out according to the encryption data, the encryption mode and the reference key index in the encryption instruction to obtain an encryption result, and the encryption result is repackaged into an encryption result in a unified format by the front-end processor 200. The card issuing equipment analyzes the encryption result and writes the secret key and the encrypted user data into the card.

The invention discloses an EDA based traffic signal control system, which comprises a counting selection circuit, a countdown display circuit, a signal control circuit and an LED display, wherein thecounting selection circuit determines the set counting time corresponding to a signal light state signal according to the signal light state signal; the countdown display circuit starts countdown display according to the set counting time, and the countdown display circuit is further used for generating a trigger signal when the countdown is over; the signal control circuit is used for generatinga signal light state signal according to the trigger signal; and the LED display displays the signal light state according to the signal light state signal. The traffic signal control system can realize the control for traffic signals only designing the counting selection circuit, the countdown display circuit, the signal control circuit and the LED display based on the EDA technology. Compared with a traffic signal light control circuit formed by a single-chip microcomputer and a relay, the traffic signal control system reduces the structural complexity and maintenance amount, improves the reliability and increasingly adapts to the requirements of rapid development of urban road traffic.

The method is as the follows: interface for MTP3, SSCF-NNI and MTP2 are defined uniformly, classification is added is attribute of signalling link, the maximum support length of MTP3 in revised at MTP3/b layer, compatibility processing of MTP3 protocol is carried out and supporting wide band message processing of SCCp module is carried out.

In order to solve the technical problems in the prior art, the invention provides a fly ash mixing and removing system of a garbage power plant. The fly ash mixing and removing system comprises a flying ash collecting and conveying pipeline, wherein the flying ash collecting and conveying pipeline is connected between an air outlet of a fly ash mixing mill and an air suction opening of a bucket elevator, air is sucked from the air outlet of the mixing mill through negative pressure in the bucket elevator (a scraper), a negative pressure environment of the mixing mill is created, and flying dust in the dust discharging and stirring process of the mixing mill is intensively sucked into the bucket elevator (scraper) and then returns to a fly ash storage bin. According to the technical scheme provided by the invention, existing corollary equipment is fully utilized, a large number of equipment facilities do not need to be added, the existing technical problems can be solved only by improving the flying ash collecting and conveying pipeline, the cost is saved, and the dust removal effect is good.

The invention discloses an efficient iron ore concentrate and tailing slurry water recovery device which is characterized in that the device comprises a high-level water storage tank (4), a grinding and selecting workshop (5) and a concentration tank which are sequentially arranged from top to bottom; the concentration tank comprises a concentrate concentration tank (6) and a tailing concentration tank (9); the concentrate concentration tank (6) and the tailing concentration tank (9) are each provided with an overflow port, a clear water return tank (11) is arranged below the overflow ports, and clear water in the clear water return tank (11) is conveyed to the high-level water storage tank (4) through a centrifugal clear water pump I (12); and the upper layer of a tailing pond (13) is connected with a centrifugal clean water pump II (14), and the centrifugal clean water pump II (14) conveys clean water on the upper layer of the tailing pond to the high-level water storage tank (4). By designing the water recovery device for iron ore concentrate and tailing slurry, water in concentrated and neutralized tailings can be efficiently recovered, and the problem of water supply for beneficiation is solved.

The invention relates to the technical field of power plant heating power, in particular to a total-cross-section fly ash sampling and collecting device and an automatic control method. The total-cross-section fly ash sampling and collecting device comprises a fly ash sampling gun and a fly ash sampling probe for sampling fly ash, a fly ash suction sampling device for providing a power source andcollecting fly ash, a primary blasting blowing device and a secondary blowing gradient blowing device, wherein the fly ash sampling probe is connected with the fly ash sampling gun, the fly ash suction collecting device for providing the suction power source, the primary blasting blowing device and the secondary blowing gradient blowing device are connected with the fly ash sampling gun through independent controllers, and a sampling hole for sampling is also formed in the fly ash sampling gun. According to the total-cross-section fly ash sampling and collecting device and the automatic control method, automatic sampling is realized through arrangement, the maintenance quantity and risk of manual sampling are reduced, the rapid and efficient sampling process is realized, and the reliability and safety of long-term execution behavior of fly ash sampling are guaranteed.

The invention discloses a novel roller formed by assembling an ultrahigh molecular weight polyethylene tube, a metal bearing, a metal shaft and a plastic end cover. The roller has the properties of in-adhesion and material accumulation, flexible and stable operation, long service life, extension of belt service life, low operating cost, remarkable economic benefit, operating noise reduction, good bearing performance and corrosion resistance and the like, can be widely used in industries of metallurgy mine, coal mine, chemical engineering, grain storage, building material, port, salt field, electric power and the like, and is a good substitute for a metal roller.

The invention belongs to the technical field of on-line detection devices, and particularly relates to a sintered ore FeO content on-line detection device of an inclined sleeve structure and a method. The detection device is characterized by comprising an electric control system, a feeding and batching scale, a feeding inclined chute arranged below a blanking point of the feeding and batching scale, a magnetic induction coil and the framework of the magnetic induction coil which are connected to the outer wall of the middle of the material conveying inclined chute in a sleeving mode, a material level detection instrument which is arranged above the material conveying inclined chute, and a material flow detection instrument which is arranged below the material conveying inclined chute, wherein the material conveying inclined chute comprises a first chute body and a second chute body which is correspondingly connected with the first chute body in a buckled mode. The material blocking state can be automatically judged, meanwhile, feeding is stopped, and material stacking is avoided; and the material conveying inclined chute, the magnetic induction coil and the framework of the magnetic induction coil are installed in a lubricating mode through a sleeve structure, the material conveying inclined chute can be conveniently pulled out of and installed back into the magnetic induction coil and the framework of the magnetic induction coil, the material conveying inclined chute is of a detachable split structure, blocked materials in the material conveying inclined chute can be conveniently removed, and the labor intensity of maintenance personnel is reduced.

The invention discloses a mining flame-proof and intrinsically safe power distribution device and a contact power distribution device. A bus box is internally provided with two incoming line through-wall connection assemblies communicated with the outside and an inner wall through-wall connection assembly, the inner wall through-wall connection assembly is connected to the two incoming line through-wall connection assemblies, and the inner wall through-wall connection assembly enables the bus box and an isolation switch box to be communicated. A high-speed switch and an energy-taking voltage transformer are arranged in the high-speed switch box; the high-speed switch comprises an arc extinguish chamber, a current transformer, a voltage transformer and an opening and closing operation mechanism; a protector and a liquid crystal display are arranged in the protector box, the protector is connected with the liquid crystal display, operation buttons of the protector are arranged on the outer wall of the protector box, and the protector is respectively connected with the quick switch and the energy-taking voltage transformer through aviation cables; and an isolation switch is arranged in the isolation switch box, one side of the isolation switch is connected with the inner wall through-wall connecting assembly, and the other side of the isolation switch is connected with the wire inlet side of the quick switch and the energy-taking voltage transformer.

The invention relates to an anaerobic water jet stirring device for sewage treatment. The anaerobic water jet stirring device comprises a water pool, wherein a water pump, a main pipe and a plurality of manifold pipes communicated with the main pipe are arranged in the water pool, a water outlet of each manifold pipe is respectively provided with a nozzle, a water outlet of the water pump is communicated with a water inlet of the main pipe, a sensor is arranged on the main pipe, a controller is arranged outside the water pool, the controller is electrically connected with the sensor through a data wire, and the controller is electrically connected with the water pump through an electric wire. The anaerobic water jet stirring device disclosed by the invention has the advantages that original sewage in the water pool is used as a stirring medium, the sewage in the water pool is pumped into the main pipe by using the water pump, and the sewage enters all the manifold pipes and is jetted from the nozzles at a high speed, so that the sewage in the water pool can be effectively stirred. When the anaerobic water jet stirring device is used, because no rotary stirring component is needed, the faults and the maintenance amount can be reduced; and the anaerobic water jet stirring device is reliable in operation and free of dead angle during stirring due to reasonable arrangement of the plurality of manifold pipes and the nozzles in the water pool.