65results about "Sludge processing" patented technology

The application provides a river sludge resource recycling method. First, the river sludge is pumped out by using physical equipment, then the organic matter of the river sludge is decomposed by using solid fermentation of microorganisms combined with bentonite, and heavy metals are degraded, so that the effect of eliminating odor and harmless treatment is achieved. Then, a vacuum dewatering device is arranged in the fermentation box, so that the sludge is gradually dewatered in the fermentation process, and the water content is reduced to below 10%, finally, a cementing liquid containing calcium ions is sprayed on the sludge, and urease-producing microorganisms are induced to generate calcium carbonate precipitation (MICP), so that the sludge forms a certain strength of the raw soil, which can be used on the roadbed. In this process, the bentonite can play the roles of adsorbing bacterial flora, enhancing the MICP effect, fixing heavy metals and assisting fermentation. The method is low in cost, green and environmentally friendly, solves the problem that the sludge is difficult to be applied for a long time, has certain economic value, and is a disposal method worthy of promotion.

The invention relates to the technical field of sludge treatment, in particular to a sludge biological treatment system which comprises a fermentation box, the device further comprises an anaerobic fermentation area, an aerobic fermentation area, a precipitation tank plate, an aeration assembly, a transfer tank, a biological tank and a sludge outlet auger, the precipitation tank plate is in a V shape and installed in the middle of the fermentation box, the fermentation box is divided into the anaerobic fermentation area, the aerobic fermentation area and the precipitation area by the precipitation tank plate, the aeration assembly is installed at the bottom of the aerobic fermentation area, and the transfer tank is installed in the sludge outlet auger. The transfer tank is installed outside the fermentation box and communicated with a sludge outlet of the fermentation box, the lower end of the transfer tank is connected with the input end of the biological tank, the transfer tank is used for evaporating sludge moisture, a biological conversion bed is arranged in the biological tank, the biological tank is used for biological treatment of sludge, and the sludge outlet auger is installed outside the biological tank. The input end of the sludge outlet auger is connected with the output end of the biological tank; the high-integration fermentation box is adopted, the fermentation speed is high, fermentation is more sufficient, sludge can be preliminarily separated, and the subsequent biological treatment efficiency is improved.

The utility model relates to the field of sludge dewatering, and discloses sludge deep dewatering pretreatment equipment which comprises a tank body fixedly installed among a plurality of supporting frames, one side of the tank body is communicated with a sludge feeding pipe, the center position of the bottom end of the tank body is communicated with a sludge discharging pipe, and a booster pump is fixedly installed at the top end of the supporting frame on one side of the tank body. One end of the booster pump is communicated with one end of the chemical inlet pipe, a chemical distribution component is arranged in the tank body along the vertical direction, the other end of the booster pump is communicated with one end of the chemical distribution component through a pipeline, and the equipment disclosed by the utility model is convenient for promoting the quicker and more sufficient contact of added chemicals and sludge, so that the pretreatment efficiency of the sludge is improved.

The utility model belongs to the technical field of sludge treatment, and discloses a device for converting bottom mud of an aquaculture pond by utilizing microorganisms to reduce the content of organic carbon, which comprises a treatment bin, the treatment bin is a circular barrel, a rectangular opening is formed in the upper position of the side face of the treatment bin, and two supporting legs are fixedly installed on the side face of the treatment bin. And a fixed mounting cylinder is arranged at the position, corresponding to the rectangular opening, of the side face of the treatment bin, the section of the mounting cylinder is a rectangular cylinder with a concentric-square-shaped cross section, and a movable filter plate is arranged in the mounting cylinder. According to the sludge treatment device disclosed by the utility model, rapid reaction is carried out under the actions of stirring, aeration and fungicide, the rotating cover is moved after the reaction is carried out for 24-48 hours, the rotating cover is moved to the position of the rectangular opening in the side surface of the treatment bin, the rotating disc is moved after the reaction, the rotating disc extrudes sludge, and water is discharged through the connecting pipe; after the sludge is extruded to the position of a second clamping block, the second clamping block is opened, and a mud cake is taken out, so that the production efficiency is improved.

The invention belongs to the field of comprehensive treatment of oily sludge, and relates to a reduction treatment method of oily sludge. Comprising the following steps: step 1, mixing a first part of oily sludge to be treated with an organic loose material, inoculating a thermophilic compound bacteria solution into the mixture, feeding the mixture into a high-temperature microbiological treatment unit, introducing air, stirring and heating to a target fermentation temperature, and maintaining the target fermentation temperature; step 2, gradually adding a second part of to-be-treated oily sludge into the high-temperature microbiological treatment unit under heating and stirring conditions, and carrying out a first high-temperature aerobic fermentation reaction to obtain a high-temperature aerobic fermentation material; step 3, outputting a part of the material subjected to high-temperature aerobic fermentation, continuously adding a third part of oily sludge to be treated into the high-temperature microbiological treatment unit, and carrying out high-temperature aerobic fermentation reaction again; and step 4, repeating the step 3 until the reduction treatment of the oily sludge is completed. Compared with the prior art, the biological treatment method is lower in cost and higher in decrement rate.

A system for on-line monitoring of a supercritical water oxidation (SCWO) process, the system including an SCWO reactor, a feedstock supply line which supplies a feedstock to the SCWO reactor, an oxidant supply line which supplies an oxidant to the SCWO reactor, at least one sensor which measures at least one parameter of the feedstock and the oxidant, and a controller which determines a Chemical Oxygen Demand (COD) and a Heating Value (HV) of the feedstock based on the at least one parameter, such that the controller adjusts the amount of the oxidant supplied to the SCWO reactor based upon the COD and the HV of the feedstock.

The utility model belongs to the technical field of environmental governance, and particularly relates to a sludge aerobic fermentation drying feeding lifting device which comprises a lifting hopper, blocking pieces, an opening and closing piece, a driving piece and a beating piece, the blocking pieces are symmetrically arranged at the bottom of the lifting hopper, the blocking pieces are fixedly connected to the opening and closing piece, and the opening and closing piece is fixedly connected to the lifting hopper. According to the designed sludge aerobic fermentation drying feeding lifting device, when sludge is lifted and fed, the bottom of the lifting hopper is blocked through the blocking piece and the opening and closing piece, so that when the sludge is discharged out of the lifting hopper, the discharging speed of the sludge can be controlled, the sludge in the lifting hopper is prevented from being discharged at a time, and the sludge discharging efficiency is improved. The sludge in the lifting hopper can be conveniently and rapidly emptied through the matched design of the driving part and the beating part, and it is ensured that the situation that too much sludge is left, and the next-time sludge loading amount is affected is avoided.

A method for treating waste material, including human and / or animal digestive waste and / or plant-derived waste, is provided. The method includes receiving a waste material input into a reactor pressure vessel, heating and pressurizing the reactor pressure vessel to perform a hydrothermal carbonization process on the waste material, separating a liquid portion from a solid component of a product produced through the hydrothermal carbonization process, and performing a gasification and / or pyrolysis process on the solid component to produce synthesis and / or pyrolysis gases. A system for performing the method is also provided.

A method and device for combining in-situ and ex-situ remediation of black and odorous water body sediments belongs to the field of sludge treatment technology. The device consists of an interconnected sludge suction pump, a sludge concentration tank, a sludge fermentation tank, a tailwater treatment tank, a clear water tank, a plate and frame filter press, a tailwater storage tank, and a chemical injector. The sediment is salvaged from the river channel, gravity concentrated, and fermented in an alkaline environment to fully release the pollutants in the sediment. After fermentation, the sediment is conditioned and dehydrated to complete the ex-situ remediation of the sediment. The tailwater generated by sediment concentration and dehydration is aerobically treated, and the purified tailwater is injected into the sediment. The nitrates, calcium ions, and iron ions in the purified tailwater are used to achieve in-situ remediation of the sediment. The deficiencies of each technology can be compensated for, reducing secondary pollution from ex-situ remediation of sediment, while also reducing the cost of chemicals for in-situ remediation.

The utility model belongs to the technical field of sludge treatment, and particularly relates to an automatic discharging device for sludge aerobic fermentation drying, which comprises a stock bin, a feed port, a discharge port, a material distributing piece and a lifting fixing piece, the feed port is fixedly connected onto the stock bin, and the discharge port is fixedly connected onto the stock bin on the opposite side of the feed port. According to the automatic discharging device for sludge aerobic fermentation and drying, through the matched design of the feeding port, the discharging port and the lifting fixing piece, the stock bin can act between fermentation equipment and a belt conveying belt which are arranged at different intervals, sludge materials are prevented from directly impacting the belt conveying belt during conveying, and the conveying efficiency is improved. By means of the cooperative design of the material distributing piece, the sludge materials in the fermentation equipment can be stored and temporarily stored, the amount of the sludge materials discharged from the belt conveying belt each time can be equal, and the problem that energy is wasted due to no-load of the belt conveying belt is avoided.

The present invention relates to the technical field of sludge treatment, and in particular to a sludge biological treatment system, comprising a fermentation box; an anaerobic fermentation area, an aerobic fermentation area, a sedimentation tank plate, an aeration component, a transfer tank, a biological pool and a mud discharge auger, wherein the sedimentation tank plate is V-shaped and is installed in the middle of the fermentation box, and the sedimentation tank plate divides the fermentation box into an anaerobic fermentation area, an aerobic fermentation area and a sedimentation area, the aeration component is installed at the bottom of the aerobic fermentation area, the transfer tank is installed outside the fermentation box, the transfer tank is connected to the mud outlet of the fermentation box, the lower end of the transfer tank is connected to the input end of the biological pool, the transfer tank is used to evaporate sludge water, a biological conversion bed is provided in the biological pool, the biological pool is used to biologically treat sludge, the mud discharge auger is installed outside the biological pool, and the input end of the mud discharge auger is connected to the output end of the biological pool; the highly integrated fermentation box is used, the fermentation speed is faster and more sufficient, the sludge can be preliminarily separated, and the efficiency of subsequent biological treatment is improved.

A waste treatment system 100 for performing a hydrothermal treatment of wastes includes a hydrothermal treatment device 10 for performing the hydrothermal treatment by bringing steam into contact with the wastes, a storage facility 8, 9 for storing a fuel produced from a reactant of the hydrothermal treatment, and a heat recovery steam generator 18 for generating the steam to be supplied to the hydrothermal treatment device 10. The heat recovery steam generator 18 is configured to generate the steam by using a combustion energy generated by combustion of the fuel stored in the storage facility 8, 9.

According to the sludge reduction treatment process, a sedimentation tank is communicated with an adjusting tank, and the adjusting tank is communicated with an anaerobic tank, an anoxic tank and an aerobic tank and then communicated with a secondary sedimentation tank and a disinfection tank; the device is characterized in that the secondary sedimentation tank is communicated with the sludge concentration tank; one path of the sludge concentration tank is communicated with the filter-pressing dehydration device; the filter-pressing dehydration device is communicated with the regulating tank and the discharge port; supernate of the sludge thickening tank flows into the regulating tank; filtered water of the filter-pressing dehydration device flows into the adjusting tank; the sludge concentration tank is provided with a micro-nano aeration device, a microbial active enzyme MP16 is put into the sludge concentration tank, the MP16 enzyme and the efficient micro-nano aeration device are put into the sludge concentration tank to carry out biochemical reaction and accelerate the reaction rate, and 80%-90% of organic sludge can be degraded only in 4-6 hours; upper-layer treated clear water flows back into the adjusting tank to be continuously subjected to water treatment (can be used as a carbon source to be supplemented into the adjusting tank), and other inorganic sludge is conveyed to be subjected to filter pressing dehydration and then can be transported outwards for disposal.

The present application relates to sludge drying treatment technical field, and its purpose is to provide a cloth turnover machine. The cloth turnover machine can effectively degrade organic matter and other pollutants in sludge. The cloth turnover machine comprises a machine body, a cloth mechanism, a turnover mechanism, a bacteria agent discharging mechanism, an aeration mechanism and a walking mechanism; the cloth mechanism is arranged on the machine body and is used for arranging wet sludge in a drying area and putting auxiliary materials into the wet sludge; the turnover mechanism is arranged on the machine body and is located below the cloth mechanism, and is used for turning over the wet sludge; the bacteria agent discharging mechanism and the aeration mechanism are arranged on the turnover mechanism, the bacteria agent discharging mechanism can discharge bacteria agent, and the aeration mechanism can aerate during turnover; the walking mechanism is arranged on the machine body and is located on both sides of the turnover mechanism, and can drive the turnover mechanism to move in the drying area. The present application solves the problems that the existing cloth turnover machine has poor degradation effect on organic matter and other pollutants in sludge, low humification degree and cannot be directly utilized after treating sludge.

The utility model belongs to the technical field of dewatered sludge treatment, and particularly discloses a dewatered sludge mixing and conditioning device which comprises a mixing bin, and a mixing component is arranged in the mixing bin; the mixing assembly is used for mixing a sludge conditioner and dewatered sludge and comprises two rotating shafts, and the outer walls of the two rotating shafts are fixedly connected with a plurality of stirring paddles; two rotating shafts are arranged in the mixing bin, two stirring paddles are arranged on the rotating shafts, two liquid inlet pipes are arranged in the mixing bin, the bottoms of the two liquid inlet pipes are communicated with connecting pipes, and the bottoms of the two connecting pipes are communicated with a plurality of nozzles. Dehydrated sludge and a sludge conditioner in the mixing bin are intensively stirred, the sludge can form a complex flowing path in the bin from different angles through the double-rotating-shaft design, stirring dead angles are avoided, meanwhile, the sludge conditioner reaches the multiple nozzles through the liquid inlet pipe and the connecting pipe and is evenly sprayed out, and the stirring effect is improved under continuous stirring of the stirring paddle.

The present invention discloses a device and method for treating excess sludge, comprising an excess sludge nitrogen-phosphorus separation unit, a nitrification unit, an anaerobic ammonium oxidation unit, and an advanced treatment unit; the excess sludge undergoes anaerobically phosphorus release in the excess sludge nitrogen-phosphorus separation unit, and the phosphorus in the supernatant is reused for farmland as phosphate fertilizer; the dephosphorized excess sludge undergoes sludge fermentation in the excess sludge nitrogen-phosphorus separation unit; the sludge fermentation product enters the nitrification unit and the anaerobic ammonium oxidation unit for decarbonization and nitrogen removal; and after further purification in the advanced treatment unit, the tail water is returned to the natural water system. The present invention has the distinct characteristics of being ecologically friendly, economically efficient, and can achieve sludge reduction, stabilization, harmlessness, and resource utilization. Nitrogen-phosphorus separation and agricultural use of phosphorus prior to sludge fermentation not only help to simultaneously address the current increasing phosphorus demand and excess sludge treatment volume, but also reduce the phosphorus load of subsequent treatment units, facilitating the long-term stable operation of the device, and having practical significance and engineering value.

The invention discloses a coupled sludge reduction device and a use method thereof, and relates to the technical field of sludge treatment.The coupled sludge reduction device comprises a first treatment pond, a second treatment pond, ozone supply equipment and oxygen supply equipment, and the first treatment pond and the second treatment pond are the same in structure. According to the device, overflow liquid with the pH value larger than 6.5 is stored through the adjusting mechanism of the first treatment pond, when sludge enters the second treatment pond through the sludge conveying mechanism, the sludge can be introduced into the fifth connecting pipe through the water pump, the pH of the sludge is increased to the proper range, and the pH sensors in the first treatment pond, the second treatment pond and the guide pipe are combined for real-time monitoring; an alkaline regulator can be supplemented in time through the liquid adding pipe, it is ensured that the ozone oxidation reaction in the first treatment pond and the reaction in the second treatment pond under the oxygen environment are both carried out within the appropriate pH range, the problem that the activity of aerobic microorganisms is inhibited due to the too high acidity is effectively solved, and the stability of the sludge reduction effect is improved.

The present invention relates to methods for treating waters, sediments and / or sludges using alkaline earth metal peroxide, especially calcium peroxide, and cable bacteria, to a kit comprising a composition comprising at least one alkaline earth metal peroxide, and cable bacteria, and to uses of a composition comprising at least one alkaline earth metal peroxide, especially in combination with cable bacteria.

The utility model relates to the technical field of sludge concentration, in particular to a sludge concentration device, which is provided with a discharge mechanism and an extrusion mechanism, so that moisture in discharged sludge can be secondarily separated in the sludge concentration process, and the sludge concentration effect is improved. Comprising a storage mechanism; the device further comprises an overflow mechanism, a stirring mechanism, an aeration mechanism, a discharging mechanism and an extrusion mechanism, the overflow mechanism is installed on the material storage mechanism, the stirring mechanism is installed on the material storage mechanism, the aeration mechanism is installed on the material storage mechanism, the discharging mechanism is installed at the lower end of the material storage mechanism, and the extrusion mechanism is installed on the discharging mechanism; the material storage mechanism is used for storing materials, the overflow mechanism is used for overflowing, the stirring mechanism is used for stirring, the aeration mechanism is used for aerating, the discharging mechanism is used for discharging materials, and the extruding mechanism is used for extruding.

A method of processing waste material, wherein the waste material comprises human and / or animal digestive waste and / or plant derived waste is provided. The method comprises: receiving an input of waste material into a reactor pressure vessel; heating and pressuring the reactor pressure vessel to perform a hydrothermal carbonization process of the waste material; separating a portion of the liquid from solid components of the products produced through the hydrothermal carbonization process; performing a gasification and / or pyrolysis process on the solid components, to produce syngas and / or pyrolysis gas. A system for performing the method is also provided.

A multi-functional slurry processing system (“VARCOR”) and associated methods is disclosed. The present examples provide a multi-functional slurry processing system incorporating systems and methods for separating liquid and solid components in slurries. In particular the systems and methods described herein produce clean water, dried solids, and potential concentration of desirable constituents with a boiling point lower than water. At least one example of the multi-functional slurry processing system provides a self-contained processing facility configured to efficiently convert high water-content slurries into its constituent solid and liquid fractions and subsequently generating and collecting clean water and concentrating desirable constituents with a boiling point lower than water. The multi-functional slurry processing system advantageously applies thermodynamic principles in a system which may include various combinations of a preheater, a degassing unit, a dryer, a steam filter, a compressor, a concentrating tower, and a condensation unit.

A biofilm membrane bioreactor system with a bioreactor, at least two membrane plates positioned within the bioreactor, and a plurality of biofilm carriers suspended within the wastewater in the bioreactor. The bioreactor has at least one inlet and at least one outlet. The at least two membrane plates are configured to filter the wastewater to generate permeate and may be formed of a ceramic material. Each of the at least two membrane plates are separated from adjacent membrane plates by a membrane gap that is at least two times larger than a smallest dimension of one of the biofilm carriers.

The utility model belongs to the technical field of sludge treatment equipment, and discloses sludge harmless treatment equipment which comprises a sludge storage tank, the output end of the sludge storage tank is connected with a first sludge pump conveyor, and the output end of the first sludge pump conveyor is connected with an alkaline ammonia nitrogen stripping room. A quicklime elevator and an air compressor are installed in the alkaline ammonia nitrogen stripping chamber, the output end of the alkaline ammonia nitrogen stripping chamber is connected with a purification tower and a second sludge pump conveyor, the output end of the second sludge pump conveyor is connected with an acid conditioning tank, and the acid conditioning tank is provided with a stirrer and a liquid pump. The output end of the acid conditioning tank is connected with a third sludge pump conveyor, and the output end of the third sludge pump conveyor is connected with an anaerobic fermentation tank. By adopting the structural design, the sludge can be neutralized and conditioned by taking the industrial waste acid as a conditioning agent, the unified treatment of dewatered sludge and the industrial waste acid is realized, and the energy consumption is reduced; and the effect of treating waste with waste is achieved.

To prevent separation of foreign matter by a separation part from being hindered when the separation part separates the foreign matter and a removal part removes a liquid.SOLUTION: A separation and removal apparatus includes a separation unit configured to separate a foreign substance from a liquid containing the foreign substance in a state in which the foreign substance partially contains moisture and release the foreign substance while separating the foreign substance, a holding unit disposed outside the separation unit and configured to hold the foreign substance released by the separation unit and discharge the held foreign substance, and a removal unit configured to store the foreign substance discharged from the holding unit and remove the moisture from the stored foreign substance.SELECTED DRAWING: Figure 1

The present disclosure is related to systems and methods for the biological processing of hydrocarbon-containing substances. The systems and methods can relate to pre-digestion of hydrocarbon-containing substances and further processing of the same to produce hydrocarbon fuels, fertilizer, and / or other products.

An apparatus for disposing of organic or sewage sludge waste includes: a storage tank configured to collect and accommodate organic or sewage sludge waste; an agitator which is connected to the storage tank to decompose and dry the organic or sewage sludge waste supplied from the storage tank; a first deodorizer which is connected to one side of the agitator to biologically decompose and remove bad-odour substances from a waste gas generated during an agitating process of the organic or sewage sludge waste; a second deodorizer which heats and removes bad-odour substances contained in the waste gas from which the bad-odour substances have been partially removed by the first deodorizer; and a heat exchanger which heats the waste gas, which flows in the second deodorizer, through heat of the waste gas discharged from the second deodorizer.

A process for treating WWTP sludge comprising the steps of, feeding the WWTP sludge at 1-5%TS to an anaerobic digester (82), operating the anaerobic digester (82) at 4-6% TS and providing at least a portion of the digestate of the digester for recuperative thickening by way of a side stream thickener in a side stream loop. A polymeric thickening aid (D) is added to the at least a portion of the digestate in the side stream loop, wherein the polymeric thickening aid (D) is added at 3 kg / MT-TSS or less.

The invention belongs to the technical field of oily sludge degradation microbiology, and relates to a thermophilic bacterium for degrading petroleum hydrocarbon, an application of the thermophilic bacterium and an oily sludge degradation method. The thermophilic bacterium capable of degrading the petroleum hydrocarbon is Pseudomonas kunmingensis, and the preservation number of the thermophilic bacterium is CGMCC (China General Microbiological Culture Collection Center) No.28743. The invention further discloses a preparation method of the thermophilic bacterium capable of degrading the petroleum hydrocarbon. The thermophilic bacteria for degrading the petroleum hydrocarbon are extracted from the oily sludge, the extraction cost is low, and the method is simple and feasible. The thermophilic bacteria for degrading petroleum hydrocarbon are prepared into bacterial liquid with OD600 of 1, 50 mL of the bacterial liquid is sprayed to each kg of oily sludge, high-temperature aerobic fermentation is performed on the oily sludge under the aerobic conditions that the pH is 7-7.5 and the temperature is 50-70 DEG C, the oil removal rate reaches 41.0% within 7 days, the degradation effect is remarkable, and theoretical reference is provided for shortening the period of treating the oily sludge through a biological method and improving the treatment efficiency.

Provided is a processing apparatus for processing water-containing organic matters. The processing apparatus includes: a processing tank configured to store the water-containing organic matters; a stirring unit configured to stir the water-containing organic matters; a heater configured to heat the processing tank; an exhaust unit configured to exhaust gas from the processing tank at a rate from 1 m3 / min to 300 m3 / min; and an ion gas supply unit configured to supply ion gas into the processing tank with the exhaustion of the gas from the interior of the processing tank, the ion gas having an ion density of at least 2,000,000 pcs / cc, wherein the heater heats an interior of the processing tank while the stirring unit stirs the water-containing organic matters, and the ion gas is supplied into the processing tank according to the exhaustion by the exhaust unit, whereby processing the water-containing organic matters.

The invention discloses foundation pit sludge treatment equipment for house building construction and a treatment method of the foundation pit sludge treatment equipment, and relates to the technical field of desilting, the foundation pit sludge treatment equipment comprises a crawler machine and further comprises a baffle rotationally installed on the front portion of the crawler machine and a cleaning assembly installed on the baffle, and two hydraulic rods are installed between the baffle and the crawler machine; the cleaning assembly is composed of two supports fixedly installed on the baffle, two side plates fixed to the corresponding supports through fixing flanges and an outer cylinder fixedly installed between the two side plates. The cleaning assembly further comprises a mud shoveling module, a material conveying module, a feeding module and a plurality of rolling modules. The method has the advantages that the sludge is treated in a rapid treatment and backfilling mode, the transportation cost can be effectively reduced, meanwhile, backfilling is conducted in a tiling mode, air is sprayed into the sludge in the backfilling process, the porosity in the sludge and the air contact area are increased, the biological treatment efficiency is improved, and the building construction period is shortened.