1819results about How to "Implement resources" patented technology

A wet ammonium flue gas cleaning process for desulfurizing and denitrifying and a system thereof are disclosed. The process oxidates NO in the flue gas to be NO2, makes SO2 and NO2 in the flue gas react with ammonium to product ammonium sulfite, ammonium nitrate and ammonium nitrite, then oxidates ammonium sulfite and ammonium nitrite therein to product the byproduct that is ammiaonia sulfate and ammonium nitrate, and lastly gets the clear flue gas after demisting to the desulfurizing and denitrifying flue gas. The system comprises a dust pre-collector, a hydrogen peroxide or ozone sprayer, and a desulfurizing and denitrifying tower, which are connected in turns, wherein ammonia replenishment system and an air feeding device are mounted at the bottom of the desulfurizing and denitrifying tower, sprinkling layer which can cycle sprinkle is mounted at the middle, and a demister is mounted at the upper. The invention has a simple process, a simplified system, a low investment and operation cost. The invention not only has a high efficiency in desulfurizing and denitrifying, but also a high utilance of desulfurizing and denitrifying absorbent, and byproduct of desulfurization and denitration can be utilized as chemical fertilizer of ammiaonia sulfate and ammonium nitrate.

The invention discloses a slurrying method of organic dangerous solid waste. The slurrying method of the organic dangerous solid waste can be used for preparing up-to-standard slurry for gasificationequipment feeding in a high-temperature gasification technology so as to realize the purpose of treating the organic dangerous solid waste by utilizing the high-temperature gasification technology, existing organic dangerous solid waste treatment methods including incineration, landfill, fermentation and the like are replaced, and after the prepared slurry is treated by the gasification equipment,treatment recycling and harmlessness of the organic dangerous solid waste can be realized.

The invention relates to a method allowing dynamically networking among a plurality of devices to share resource. It includes: installing a software of dynamic networking and resource sharing on each of devices to realize dynamic networking and resource sharing. These devices periodically announce information with multicasting. A device serves as node control device, and announces the message of the existence of the device through multicasting, creates a node. A device can find the node by monitoring announcement message from the node. The device which requests to join into the node device registers its service information that can be provided by the device to the node control device. The device which has joined into the node finds the device providing service by indexing the nodal control device, and obtains desired service from the device by sending a service calling information. The method is applied to home backbone network for performing networking in home network. Then a topology connection structure with master / slave and peer-to-peer modes can be realized. The dynamic networking and resource sharing between the service providing device and the service utilizing device in the home backbone network can be realized.

The present invention provides a connection establishment method and a user equipment. The connection establishment method includes: acquiring, by a second user equipment supporting a device to device (D2D) function, first user equipment information of a first user equipment supporting the D2D function; and initiating, by the second user equipment, a connection establishment process with a network-side device after the second user equipment determines that a connection with the first user equipment is established according to the first user equipment information, and sending the first user equipment information to the network-side device in the connection establishment process, so that a connection is established between the network-side device and the first user equipment. The present invention can realize establishment of a DPS bearer between the user equipments supporting the D2D function, realize communication between the user equipments supporting the D2D function and further realize resource controllability of a network.

The invention relates to a method for desulfurizing and denitrating smoke simultaneously through an ammonia method, which is carried out in a desulfurizing and denitrating system. The desulfurizing and denitrating system comprises a desulfurizing and denitrating tower, the desulfurizing and denitrating tower is provided with a washing demisting segment, an absorption segment and an oxidation segment, wherein the absorption segment is provided with a first desulfurizing spray layer, a second desulfurizing spray layer and a denitrating spray layer from top to bottom; the oxidation segment is provided with a denitrating circulation layer, a desulfurizing circulation layer and an oxidation layer from top to bottom, wherein the denitrating circulation layer, the desulfurizing circulation layerand the oxidation layer are respectively communicated with the denitrating spray layer, the second desulfurizing spray layer and the first desulfurizing spray layer through circulating pipelines positioned outside the desulfurizing and denitrating tower; smoke enters from a smoke inlet, sequentially contacts with the absorption liquid of the denitrating spray layer, the second desulfurizing spraylayer and the first desulfurizing spray layer for denitration and desulfurization, then enters the washing demisting segment and then is exhausted; the absorption liquid of the spray layers descends to the oxidation segment and reacts on the oxidation layer to generate ammonium sulfate; and the absorption liquid of the denitrating circulation layer, the desulfurizing circulation layer and the oxidation layer is respectively delivered to the denitrating spray layer, the second desulfurizing spray layer and the first desulfurizing spray layer through the circulating pipelines positioned outsidethe desulfurizing and denitrating tower.

The invention discloses an experiment teaching system based on a cloud desktop. The experiment teaching system based on the cloud desktop comprises a virtualized server resource pool, wherein a plurality of physical servers are arranged inside the virtualized server resource pool; each physical server is provided with a plurality of virtual machines; a cloud desktop experimental terminal is connected with the physical servers in the virtualized server resource pool through a desktop net interchanger; a main management server is connected with the physical servers through a management net interchanger and is further connected with the desktop net interchanger; a storage server is connected with the physical servers through a storage net interchanger; the physical servers is connected with at least one application server through an application net interchanger. The cloud desktop remote access and the virtual machine technology are utilized, hardware cost and maintenance cost are effectively lowered, and the resource utilization rate is improved. The cloud desktop experimental terminal is low in configuration demand and high in universality and flexibility. The standardization and refinement of the experiment teaching process are improved, safety is high, and the supervision and administration capacity of experiment teaching is enhanced.

The invention discloses a special scheduling request resource allocation method and a special scheduling request resource allocation device. The method comprises the following steps of: in a multi-carrier aggregation system, determining that a terminal transmits carrier resources available for special scheduling according to set scheduling rules, and allocating the carrier resources of special scheduling requests for UE on selected carriers according to the set rules, wherein the carrier resources comprise the quantity and numbers of the carriers; and informing the terminal of the allocated carriers and available time-frequency resources on each carrier so as to realize the configuration of the time-domain and frequency-domain resources of the special scheduling requests for the terminal in the multi-carrier aggregation system.

The invention discloses a removal technology of removing coal-fired flue gas pollutants and a device thereof. The technology is as follows: an SCR denitration method is first used for removing NOX in the flue gas; then a dust collector is used for removing dusts and ash particles in the flue gas; then a wet calcium-based desulphurization method is used for removing SO2 in the flue gas; then an MEA decarburization process is used for absorbing the SO2 in the flue gas; simultaneously, a pregnant solution of a generated alkanolamine solution is heated, analyzed and regenerated and the generated barren solution of the alkanolamine solution is continuously and cyclically used; and the analyzed CO2 gas with high concentration is produced to be liquid carbon dioxide of industrial grade with high purity after being cooled, gas-liquid separated, dried, compressed and condensed. The device consists essentially of an SCR denitration reactor, the dust collector, a wet calcium-based desulphurization reactor, an MEA decarburization absorption tower, a regeneration tower, a gas-liquid separator, a dryer, a compressor, a condenser and the like which are connected with each other by pipes. The device has simple and compact overall design, low investment and operation costs, and stable and reliable work and can conduct classified integration processing and highly efficient simultaneous removal on every pollutant in the coal-fired flue gas.

The invention relates to a method for carrying out desalination and zero-discharge processing of power plant desulphurization wastewater by adopting an electrodialysis technology. The method comprises the following steps: neutralizing, precipitating, coagulating and filtering the power plant desulphurization wastewater and removing CODs (Chemical Oxygen Demands), heavy metals, F-ions, gypsum, silicon dioxide, hydroxide of iron and aluminum and other insoluble particles in waste water; separating C1-ions and other monovalent ions in clear liquid from SO3<2->, SO4<2-> and other divalent ions through nanofiltration; desalinating and concentrating water produced by the nanofiltration by adopting a multistage countercurrent reverse electrodialysis method. The method has the advantages that the concentration of the Cl-ions in nanofiltration concentrated water and electrodialysis freshwater generated by the method is lower, and the nanofiltration concentrated water and the electrodialysis freshwater can be returned for flue gas desulfurization; the content of NaCl in a small amount of electrodialysis concentrated water produced reaches above 12 percent, the bivalent ions and other impurities are removed by nanofiltration, and the electrodialysis concentrated water is further evaporated and concentrated, so that chlorine-alkali industry electrolytes and NaCl salt can be obtained. Through the method, the zero-discharge treatment and the resource utilization of the desulfurization wastewater can be realized.

The invention belongs to the technical field of comprehensive utilization of waste resources from the aluminum industry and specifically discloses a comprehensive utilization method of aluminum ash. According to the comprehensive utilization method of aluminum ash, metallic aluminium is extracted from aluminum ash through an ore grinding method; the aluminum ash obtained after aluminium extraction undergoes catalytic deamination; the aluminum ash obtained after deamination is mixed with alkali and granulation forming is then carried out; and the granulation product is sintered and the sintered product is finally dissolved out. By the above method, useful components in the aluminum ash can be recovered to the maximum; ammonia gas which has been ignored for a long time is effectively recovered; components such as aluminium oxide, villiaumite and the like are recovered and utilized to the maximum; pollution of aluminum ash processing to the environment is avoided; atmospheric dust pollution is avoided; atmospheric pollution is also avoided due to ammonia gas recovery; pollution of aluminum ash stacking to underground water and soil is avoided due to extraction and recovery of fluoride salt; and environmental safety during the treating process is guaranteed.

The invention relates to an excrement centralized processing method, comprising the steps of solid-liquid separation, flocculation water removing, aerobic compost treatment, anaerobic sewage treatment, facultative anaerobic sewage treatment, aerobic sewage treatment, membrane anaerobic reacting sewage treatment and odor treatment. Treated with the processing method of the invention, the urban night soil is 100% decontaminated, is 99.7% minimized and the excrement sludge is completely changed into resource.

The invention provides a gasification process for producing synthesis gas from garbage and biomass raw materials, which relates to a gasification processing technique of garbage and biomasses. The gasification process is characterized in that the technological process mainly comprises a raw material solid matter process, a gas phase circulation loop, a calcium oxide circulation loop and a synthesis gas drawing process; one or a mixture of more garbage, the biomasses and coal is sent into a gasification furnace to perform gasification so as to generate the synthesis gas; and simultaneously, calcium oxide is sent into the gasification furnace, an exothermic reaction of absorbing carbon dioxide by the calcium oxide provides the heat required by the gasification reaction in the furnace, and water vapor is sent into a plasma spraying gun and is heated to more than 3,100 DEG C to generate H2, O, O2 and H2O<*> which are sprayed into the gasification furnace to perform reactions with the garbage and the biomasses and supply heat into the furnace. The gasification process adopts a measure to spray the calcium oxide into the furnace to not only greatly reduce the electric energy consumption of the plasma spraying gun, but also improve the quality and the yield of the synthesis gas, thus the aim of transforming the garbage and the biomasses into clean energy can be achieved easily.

The invention discloses a purpose of heavy metal sludge, an acid pellet and a preparation method and a purpose thereof. The invention takes stainless steel cold-rolling heavy metal sludge as a raw material for preparing the acid pellet of the sludge. The acid pellet of the sludge is mainly prepared by the following raw materials by weight percent: 5-50 percent of stainless steel cold-rolling heavy metal sludge, 30-70 percent of iron ore concentrate, 2-8 percent of composite binding agent, 4-15 percent of carbon powder and 10-30 percent of water. The preparation method of the acid pellet of the sludge comprises the main steps of pretreatment of raw materials, mixing of raw materials, pelletizing and roasting. The acid pellet of the sludge is used as a raw material of a blast furnace. The invention solves the problems that the prior art can not effectively treat and comprehensively utilize the stainless steel cold-rolling heavy metal sludge.

The invention relates to a microbial organic fertilizer prepared from restaurant-kitchen garbage, and relates to a soil improvement technique. The microbial organic fertilizer is prepared by taking the restaurant-kitchen garbage as the main raw material supplemented with additives, wherein the additives include subsidiary agricultural product waste, inorganic material and microbial composite bacteria groups, and the microbial organic fertilizer comprises the following components in percentage by weight: 60-75% of restaurant-kitchen garbage, 10-30% of subsidiary agricultural product waste, 1-10% of inorganic material and 1-5% of microbial composite bacteria groups. In the microbial organic fertilizer, the restaurant-kitchen garbage is adopted as the main raw material, so nutrition constituents in the restaurant-kitchen garbage can be effectively recycled, the problems of environment pollution and resource waste of the restaurant-kitchen garbage are solved, the physical and chemical structures of soil can be conditioned, the quality of agricultural products is improved, and the integrated fertility level of the soil is improved.

The invention provides a cloud computing based management method for a smart travel management system. By virtue of frameworks of three layers of systems of a cloud end, an extension end and a terminal of the smart travel management system, cloud end management, extension end management and terminal management are realized separately, so that all scenic spot data can be stored through the cloud end system, all extension end systems can be managed, and personalized customized navigation information such as a guide line, a guide map and the like can be provided for each terminal system in real time by virtue of a cloud computing technology; data and information transmission between the cloud end system and the terminal systems is realized through the extension end systems; and sightseeing information of tourists is recorded through the terminal systems carried by the tourists, navigation requests of the tourists are sent out, and the guide line and the guide map are showed for the tourists, so that travel information exchange and resource sharing are realized, tourist terminals can be designed in a personalized way, the travel experience effect is comprehensively improved, and the personalized development of travel is facilitated.

The invention relates to a recycling treatment process for coal coking high-salinity wastewater. The process comprises the following steps: (1) fluorine removing; (2) silicon removing; (3) softening;(4) treatment with a multi-medium filter; (5) ultrafiltration; (6) resin softening; (7) FDG; (8) nanofiltration and salt separation; (9) reverse osmosis concentration; (10) advanced oxidation; (11) resin adsorption; and (12) evaporative crystallization. The process has the advantages that the process of pretreatment, nanofiltration salt separation, reverse osmosis concentration, advanced oxidationand evaporative crystallization is adopted, so that zero emission and quality-divided resource utilization of the coal coking high-salinity wastewater are realized.

The invention discloses a process method for preparing a derived solid fuel by using sludge, and the method comprises the following steps: feeding dehydrated wet sludge with the moisture content of 70-85% and biomass at a weight ratio of 50:(1-10) into a tempering kettle, introducing less water, evenly stirring, adding a tempering agent the mass of which is 0-20% of that of dried solid sludge, stirring for 2-10 minutes continuously, removing most of water by a dehydrator, forming, and naturally drying for 24 hours, thus obtaining the derived sludge solid fuel. The invention also discloses a device for preparing a formed sludge fuel. The device comprises a straw crusher, a feeder, the tempering kettle, the stirrer, the fuel hydrator and a fuel forming machine, wherein the stirrer is positioned at the top of the tempering kettle, a stirring shaft is coincident with the axis of the tempering kettle and inserted into the tempering kettle, the outlet of the straw crusher is connected with the inlet of the feeder, the outlet of the feeder is connected with the inlet of the tempering kettle, the outlet of the tempering kettle is connected with the inlet of the fuel dehydrator, and the outlet of the fuel dehydrator is connected with the inlet of the fuel forming machine.

The invention provides a method for producing products such as organic fertilizers, biological fertilizers, organic-inorganic compound fertilizers, plant breeding nutrient mediums, soil improvement materials and water retention materials by industrial chemical fermentation processing of residues from alcohol and starch processing by using tapioca. By the method, waste pollutants of chicken manure, pig manure, cow manure, sheep manure, sugar-refinery mud and the like are fully used, the comprehensive treatment and the recycling development of various organic resources are realized, and the problems for the technical treatment and the environmental influence of industrialized tapioca residues are effectively solved; and no three-waste emission occurs in the whole treatment process, the secondary pollution is avoided, and good economic benefits and social benefits are generated.

The invention discloses a resource recovery and zero discharge process for treating rare-earth wet-method smelting wastewater, which comprises the following steps: (1) carrying out segregated collection on wastewater; (2) pretreatment: recovering kerosene and P507 from wastewater by floatation oil removal, and precipitating by adding alkali to remove heavy metals and oxalate radicals; (3) recovering NH4Cl in high-concentration ammonia nitrogen wastewater by triple-effect evaporation, concentration and crystallization; (4) denitrifying medium / low-concentration ammonia nitrogen wastewater by ammonia stripping / absorption; (5) carrying out reverse osmosis desalination advanced treatment on the wastewater; and (6) recovering CaCl2 by evaporating, concentrating and crystallizing the reverse osmosis concentrated water. The invention can produce certain economic benefits by recovering kerosene, P507 and industrial-grade NH4Cl products in the wastewater, and the wastewater can achieve the water quality standard for reuse water, thereby realizing zero discharge of wastewater in rare-earth wet-method smelting enterprises.

The invention discloses a method and a device for treating garbage percolate, wherein the method comprises the steps of pretreatment, anaerobic treatment, membrane biochemical treatment, nanofiltration treatment, sludge treatment and the like; the device comprises a primary sedimentation tank (1) and an adjusting tank (2), the adjusting tank (2) is connected with an anaerobic reactor (3), the anaerobic reactor (3) is connected with a denitrification tank (4), and the denitrification tank (4) is communicated with a nitrification tank (5); and the nitrification tank (5) is connected with an ultrafiltration apparatus (6), and the ultrafiltration apparatus (6) is connected with a nanofiltration device (7). The method and the device achieve COD degradation of high-concentration wastewater so that the COD of high-concentration COD of 50,000 reaches about 50 after treatment and reaches the standard of industrial reuse water, thus the method and the device achieve zero discharge of the percolate, initiate a new attempt to treat high-concentration percolate, and fill up the domestic blank.

The invention relates to a recovery and comprehensive utilization method of heavy metals in stainless steel pickling wastewater sludge and discloses a method for recovering and recycling nickel and chrome in sludge generated during the treatment process of stainless wastewater. The method comprises the following steps: leading waste liquid during the pickling process to be directly used for leaching metal ions in the sludge to save the consumption of reagents; adding a certain quantity of acid or alkali in each reaction tank through arranging a plurality of reaction tanks; controlling a pH value; effectively separating various matters according to different solubility of inorganic compounds; researching and developing a recycling technology of the heavy metals in the stainless steel industrial sludge, wherein the recovery efficiency of the heavy metals like the chrome and the nickel is high; leading the recovered heavy metals to be used for smelting stainless steel; leading recovered iron to be used for preparing an efficient flocculating agent; and leading the flocculating agent to be used for sewage treatment to realize sewage reuse and save the treatment cost. The invention has the advantages of simple process and easy operation, as well as popularization and application.

The invention relates to the technical field of harmlessness treatment of smelting wastes, and especially relates to a ceramsite prepared by using smelting wastes, and a preparation method thereof. The ceramsite comprises 10-90% of smelting waste powder, 5-40% of municipal sludge, 4-20% of fly ash, 0-20% of gangue and 0.1-10% of a curing agent. The preparation method of the ceramsite comprises the following steps: 1, crushing the smelting wastes by using a crusher to prepare the smelting waste powder; 2, weighing the smelting waste powder, the municipal sludge, the fly ash, gangue and the curing agent, mixing, and uniformly stirring to prepare ceramsite powder; 3, conveying the ceramsite powder to a ball forming granulation machine, and carrying out granulation molding to prepare ceramsite balls; 4, drying the ceramsite balls; and 5, calcining he dried ceramsite balls to prepare the finished ceramsite. The ceramsite prepared in the invention has the advantages of light weight, environmental protection and wide uses; and the preparation method recycles the smelting wastes, and has good economic and social benefits.

The invention discloses a cloud desktop management system based on a security gateway and a security access control method thereof. The method comprises the steps of providing a uniform security entrance by an SAG (Security Access Gateway) security gateway, and shielding an internal network; supporting a cluster, and dispatching and distributing requests by a management node; adopting a token mechanism; providing a management interface. The method provided by the invention comprising the steps of building the mapping between an external connecting port and the internal network by adopting a linux firewall NAT (Network Address Translation) technology, and providing the uniform security entrance to shield the internal network; supporting the cluster, supporting a frame of a plurality of management nodes and a plurality of Agent nodes by adopting a flexible frame and a flexible deployment way, and distributing requests by the management nodes; adopting the token mechanism to map the port and keeping the connection, and ensuring the manageability of client access and connection. The network isolation between the client and an application server can be realized, i.e. the client and the applying server are arranged at different network segments, therefore the client cannot directly visit the applying server, but can visit the resource of the applying server through a virtual machine, and the security of the virtual resources can be ensured.

The present invention discloses a method for treating heavy metal sludge by using stainless steel molten slag. The method comprises drying crushing, material matching mixing, pressing molding, drying, tank bottom material spreading, smelting reduction, gas purification, molten slag treating, metal recovery and other steps, and specifically comprises that: after heavy metal sludge is subjected to pre-treatment, a certain proportion of ingredients are matched, and the sludge agglomerate is adopted as the bottom spreading material and is placed into a stainless steel molten slag tank to carry out a harmless treatment on the sludge agglomerate. According to the present invention, the characteristics of high production amount, high temperature and rich sensible heat resource of the stainless steel molten slag are adopted, and the stainless steel molten slag is adopted to treat the heavy metal sludge, such that the harmless treatment on the hazardous components and the resource on the valuable material are achieved, the method is the new attempt crossing the industry, and the waste heat resource can be effectively utilized so as to achieve the waste treatment adopting the waste.

The invention provides a cloud computing-based intelligent travel management system, which comprises three parts, namely a cloud system, extension sets and terminals. The cloud system comprises four parts, namely an infrastructure layer, a data layer, a support layer, and an application layer. The extension sets can be connected with the cloud system via the internet so as to manage all the terminals within the local region. By the extension sets, data stored in the cloud are visited directly and then a notification sent by the cloud is forwarded to all the terminals in the local region. Meanwhile, the information of the terminals is uploaded to the cloud by the extension sets. The terminals can be connected with corresponding extension sets through a wireless local area network, so as to realize self-guided functions, including positioning, navigating, alarming, data sharing and the like. The above system has the characteristics of cloud computing, internet of things, informationization, automation, intellectualization, individuation and the like. The invention also provides a cloud computing-based intelligent travel management method. Based on the cloud computing technology, the navigation information, including personalized and customized tour routes, navigation maps and the like, are provided for each terminal in real time. Therefore, the travel experience is comprehensively improved.

The invention discloses an adaptor for realizing multi-protocol interconnection and intercommunication between digital household apparatus, comprising a GDHomeICP basic protocol module for accomplishing the control for apparatus and messages, and a multi-protocol analyzing processing module for analyzing message formats and processing message contents; the GDHomeICP basic protocol module is connected with a sending part apparatus and a receiving part apparatus via an universal interface; the GDHomeICP basic protocol module and the multi-protocol analyzing processing module are interconnected for communication via a predefined software interface. The invention also discloses a method for realizing multi-protocol interconnection and intercommunication between digital household apparatus. The invention enables the apparatus based on diverse protocols to be able to find, control and communicate with each other, thus realizing interconnection and intercommunication, resource sharing and interoperation between the apparatus based on diverse protocols, and diversifying the digital household apparatus without limitation of the protocol to which the apparatus belong.

The invention provides a vehicle multimedia interactive terminal for achieving multiscreen interaction through a creative embedded software and hardware architecture. Man-machine interface capacity is widened for the architecture in hardware, so that a plurality of display, speech, touch and key interfaces are supported; and the traditional embedded operation system is reconstructed on software through a virtual machine technique or a multi-window application framework technique, so that multi-user and multi-window independent task response is supported. Through utilizing the novel embedded architecture, a plurality of touch and key independent operations and a plurality of speech inputs as well as a plurality of screen independent displays and a plurality of sound independent outputs are achieved on an automobile, so that different requirements of a driver and a plurality of passengers in the automobile are satisfied, wherein the screen independent displays and the sound independent outputs correspond to the touch and key independent operations and the speech inputs one to one. By using a unified processing core and shared system resources, on one hand, communication requirements among a plurality of clients are reduced to facilitate the system realization, on the other hand, the system cost is saved and the system is improved.

The invention discloses a preparation method for a bagasse cellulose nanofiber membrane. The method comprises the main steps of preparing bagasse, preparing bagasse cellulose and preparing the bagasse nano-cellulose membrane. (1) acid-base chemical treatment is carried out; (2) solution is treated through the mechanical methods such as grinding and centrifuging, and uniform biomass cellulose nanofiber is prepared; (3) membrane formation is carried out through vacuum filtration. The preparation method has the advantages that the method is simple, the cost is lower, the popularization is easy, the reclamation and effective recycling of waste are realized, the pollution to the environment is relieved, and the high-value utilization of bagasse is also facilitated.

The invention discloses a method for preparing ceramsite by utilizing dried sludge and burnt fly ash, belonging to the technology of reduction, harmless treatment and disposal and recycling of dangerous solid waste. The method comprises the following steps of: drying dewatered sludge with moisture content of 75-85% to obtain dry sludge; crushing the dry sludge, and then screening; mixing the screened dry sludge, burnt fly ash and bentonite uniformly according to a certain proportion to obtain a mixture; injecting the mixture into a powder pressing machine for extruding and forming to obtain a blank; preheating the blank at certain time; roasting the blank at high temperature at certain time; and naturally cooling to room temperature to obtain a ceramsite product. Simultaneous reduction, harmless treatment and disposal and recycling of two dangerous wastes of the burnt fly ash and municipal sludge are realized with the method, and the produced ceramsite product conforms to the standard of toxic leaching and meets the requirement of lightweight aggregate of buildings. The method has the advantages of simplicity in process, less investment, low operating cost, large required quantity of the produced ceramsite products and the like.