318results about How to "Achieve reduction" patented technology

The invention relates to the technical field of water treatment, in particular to a denitrification slow-release composite carbon source as well as a preparation method and application thereof. Comprising the following components in percentage by weight: 2-10% of hydroxy acrylic acid, 2-10% of saccharides, 5-15% of straw waste liquid, 5-15% of kitchen waste liquid, 2-10% of saccharides, 3-15% of porous volcanic ash, 5-15% of polyvinyl alcohol, 0.2-1% of inorganic salt, 1-2% of polypeptide, 0.5-1% of growth factors, 0.2-1.5% of MFC agar, 0.1-0.5% of cellulase, 0.1-0.5% of protease, 0.1-0.5% of denitrifying bacteria and the balance of water. The sum of the percentages of the raw materials is 100%. The invention has the advantages that: each nutrient component is balanced, the nutrition is comprehensive, the activity of denitrifying bacteria is improved, the number of species and community layers of a biological system of a sewage treatment plant are increased, the growth of various microorganisms is facilitated, nutrient substances can be fully utilized, and the denitrification effect is far higher than that of related carbon sources such as single methanol, glucose and the like.

The invention relates to the technical field of sludge treatment, in particular to a low-calorific-value incineration sludge circulating fluidized bed boiler system which comprises a sludge component monitoring module, a fuel proportion adjusting module, a drying and gasifying module, a staged combustion module, a heat energy recycling and power generating module, an ash sorting module and a flue gas purifying module. Wherein the sludge component monitoring module is used for collecting organic matter content, water content and calorific value data of sludge; the fuel ratio adjusting module is used for automatically adjusting the ratio of the sludge to the auxiliary fuel; and the drying and gasifying module is used for receiving the fuel mixture and drying the fuel mixture by utilizing waste heat of the incinerator, and meanwhile, part of organic matters are converted into combustible gas through gasifying treatment. According to the invention, through intelligent fuel adjustment, waste heat recovery and multi-stage flue gas purification technologies, high-efficiency combustion, energy reutilization and up-to-standard emission of the low-calorific-value sludge are realized, and the environmental protection property and economical efficiency of sludge treatment are remarkably improved.

The invention discloses graphite tailing matrix soil and a preparation method thereof, and belongs to the technical field of tailing remediation, and the preparation method comprises the step of uniformly mixing 93.26-95.94% of graphite tailings, 3-5% of animal waste, 0.16-0.24% of a modifier A and 0.9-1.5% of diatomite. According to the graphite tailing matrix soil and the preparation method thereof, a new way is provided for consumption of graphite tailing resources, so that the problems of source of ecological restoration soil in a mining area and stacking of a large amount of graphite tailings are solved, and a win-win situation of social development and ecological environment protection is realized.

The invention belongs to the technical field of paper shredders, and particularly relates to a portable paper shredder special for finance, which comprises a double-roller type driving mechanism, synchronous adjusting type cutting mechanisms, a mechanical door opening and closing mechanism and a toggle type spacing adjusting mechanism, and the synchronous adjusting type cutting mechanisms are arranged on the double-roller type driving mechanism in an array. Through the adjustable large wheel assembly and the adjustable small wheel assembly which can adjust the width, the width of paper slips generated through preliminary crushing can be adjusted according to different working condition requirements; an elastic wing plate capable of elastically deforming is used as a bottom plate for secondary cutting, and a first shearing circular ring and a sharp corner cutting part can slide relative to the elastic wing plate when the elastic wing plate is used as the bottom plate for cutting by utilizing different linear speeds caused by different diameters of an adjustable large wheel assembly and an adjustable small wheel assembly; therefore, the paper shearing effect is optimized.

The utility model relates to elevator guide rail support manufacturing, in particular to elevator guide rail support manufacturing equipment which comprises a workbench, an installation frame connected to the workbench, a feeding groove connected to the workbench, a half gear connected to the rear side of the workbench, a first driving motor connected to the side, away from the installation frame, of the half gear, and a feeding mechanism arranged on the installation frame. A first driving motor is started to drive a half gear to rotate, when the half gear is meshed with a first gear, a driving rod is driven to rotate to be matched with a belt, a rotating rod, a conveying plate and the like, a support is driven to convey towards the right side, and automatic feeding is achieved. When the half gear is meshed with the second gear, the first gear is driven to rotate, the first gear is matched with a reciprocating lead screw, a sliding block and the like, a cutter is driven to move, and the supports are cut, so that when the cutting machine works next time, conveying of the supports is completed, manual feeding is not needed, and multiple times of cutting of one support can be achieved; and the cutting efficiency is improved.

The invention discloses a resourceful treatment method and a resourceful treatment system for removing silicon and fluorine from wastewater in the photovoltaic industry, which are characterized in that alkaline water in photovoltaic wastewater and other photovoltaic wastewater are respectively collected through an alkaline water collecting tank and a fluorine-containing wastewater regulating tank, and the alkaline water reacts with lime milk in a dosing tank to form calcium silicate sludge; the calcium silicate sludge enters a calcium silicate pickling tank and is subjected to pickling by a hydrochloric acid solution to generate a calcium chloride solution, and the calcium silicate sludge with the purity meeting the resource recycling requirement is obtained; clear water obtained after reaction in the chemical adding pool and other photovoltaic wastewater are mixed and enter the two-stage fluorine removal system together for fluorine removal treatment, fluorine ions and calcium ions are combined to form calcium fluoride sludge, the fluorine concentration of effluent of the two-stage fluorine removal system is lower than 8 ppm, and the effluent reaches the standard and is discharged. Meanwhile, resource recycling of calcium fluoride and calcium silicate sludge is realized.

The invention discloses a wind power plant sending-out line fault detection method and device based on quantum morphology. The method comprises the following steps: acquiring three-phase current signals, and performing normalization processing on the three-phase current signals to obtain a plurality of first signal data points corresponding to each three-phase current; determining a quantum state corresponding to the first signal data point according to the first signal data point; according to all the quantum states corresponding to each three-phase current under each time window, obtaining a corresponding quantum form gradient extreme value; and calculating standard deviations of all quantum form gradient extreme values under each time window, and when an absolute difference value of the standard deviations corresponding to any two adjacent time windows is greater than a first threshold value, determining that the sending-out line of the wind power plant has a fault. According to the invention, the method can avoid the repeated design of structural elements, improves the fault detection robustness of the transmission line of the wind power plant, and enables the signal to be mapped to the quantum space, thereby capturing more signal features, and improving the fault detection accuracy.

The invention discloses an electromagnetic wire self-adhesion performance data acquisition and intelligent analysis method, and relates to the technical field of data analysis. Multi-source data such as turn-to-turn gap, paint layer residual thickness, tension fluctuation and conduction state are synchronously acquired in the winding process; and analysis mechanisms such as a gap reduction rate, paint layer thinning distribution, a synchronous evolution track and a gap strength response curve are introduced, so that continuous modeling and quantitative characterization of the autohension performance evolution process are realized. Compared with the prior art which only depends on a single gap threshold value or a post mechanical test to judge the bonding performance, the method can be started from a complete physical chain from gap change to paint layer extrusion to metal contact to bonding failure, and the change trend of the bonding performance under different gap levels can be accurately revealed; and tension output is corrected in real time through a self-adaptive algorithm, closed-loop optimization of the bonding quality is achieved, and the product percent of pass and the production efficiency are improved.

The invention discloses an organic waste efficient synchronous co-fermentation and combined heat and power generation technology integration method, and relates to the technical field of organic waste treatment, and the method comprises the following steps: S1, ICNR sewage pretreatment; s2, efficient and synchronous co-fermentation; s3, an efficient combined heat and power generation process; and S4, quickly heating the aerobic compost, preserving nitrogen and deodorizing. The organic waste efficient synchronous co-fermentation and combined heat and power generation technology integration method integrates a sewage pretreatment technology, an anaerobic fermentation technology, a combined heat and power generation technology and a sludge aerobic composting technology, and develops an organic waste efficient synchronous co-fermentation and combined heat and power generation method. Advanced technology integrated application and demonstration engineering are carried out in a sewage plant, biogas generated by the organic waste is utilized to generate power for self-use, residual solid waste compost is used for landscaping and agricultural production, and reduction, harmlessness and recycling of organic waste treatment are achieved.

The utility model discloses a mulberry leaf cutting machine which comprises a machine frame, and a transmission mechanism, a cutting mechanism, a belt conveyor and a spray washing mechanism are arranged in the machine frame. The belt conveyor is arranged above the cutting mechanism, the transmission mechanism is in transmission connection with the cutting mechanism, and the transmission mechanism is in transmission connection with the belt conveyor; the cutting mechanism comprises a transverse cutter set and a longitudinal cutter set, and the transverse cutter set and the longitudinal cutter set are meshed with each other. And the spray-washing mechanism comprises an air compressor, an external spray-washing mechanism and an internal spray-washing mechanism. The transverse cutter set and the longitudinal cutter set are matched with each other for simultaneous cutting, secondary cutting is not needed, meanwhile, the blade distance can be adjusted, and therefore cutting of mulberry leaves of different sizes is achieved, and the mulberry leaf cutting efficiency is high; cutting is relatively stable, loss of the mulberry leaves is reduced, nutrition of the mulberry leaves is effectively reserved, and water loss is reduced.

The utility model discloses a metal plug-in bending and cutting all-in-one machine which comprises a back plate, an auxiliary mechanism comprises a vertical plate, a base plate, a square hole, a cutter, a first air cylinder, a second air cylinder and a round roller, the back face of the vertical plate is fixedly connected with the front face of the back plate, the square hole is machined in the inner side of the vertical plate, the base plate is fixedly connected to the outer side of the vertical plate, and the cutter is arranged on the base plate. A first air cylinder and a second air cylinder which are fixed to the front face of the back plate are arranged on the two sides of the vertical plate correspondingly, and the output end of the first air cylinder and the output end of the second air cylinder are fixedly connected with a cutter and a round roller correspondingly. The utility model relates to the technical field of insulated gate bipolar transistor related component production equipment, realizes the bending and cutting of a metal plug-in through the matching among the vertical plate, the square hole and the base plate, can carry out continuous operation, and solves the problems that the existing device cannot realize the continuous operation of bending and cutting, and the working time is prolonged in actual operation.

The utility model discloses a fixing device for three-way pipe machining, and relates to the technical field of three-way pipe machining. The fixing device for three-way pipe machining comprises a bottom plate, a cutting mechanism and a binding mechanism, a U-shaped hanging plate is arranged over the bottom plate, a rotating plate is rotationally installed at the top of the bottom plate, a supporting table is fixedly installed at the top of the rotating plate, a three-way pipe workpiece is placed at the top of the supporting table, and the binding mechanism is arranged at the top of the rotating plate. The binding mechanism comprises binding bands and hooks, and the top of the rotating plate is fixedly connected with three sets of binding bands which are evenly distributed in a triangular shape. According to the fixing device for three-way pipe machining, through cooperation of the rotating plate, the supporting table and the binding mechanism, the roots of all branch pipes on a three-way pipe workpiece are fixed, the universality is high, the flexibility of all binding belts can correspond to three-way pipe workpieces of different specifications and sizes, stable binding is achieved, and the practicability of the device is improved.

The invention discloses an environment-friendly hazardous waste treatment and intelligent collection system, which comprises a resource utilization module, which is used for accurately classifying hazardous wastes through a classification and identification technology, screening out wastes with utilization values, and comprehensively utilizing the wastes through a physical, chemical or biological method to realize maximum recovery of resources; the harmful substance curing module is used for effectively curing harmful substances in the hazardous wastes by adopting an efficient curing technology so as to ensure that secondary pollution to the environment cannot be caused in the subsequent treatment process; the method has the beneficial effects that recycling, reduction and innocent treatment of hazardous wastes are realized, and the development of circular economy is promoted; the intelligent level of hazardous waste treatment is improved, the collection, transportation and management process is optimized, and the cost is reduced; environment monitoring and data connection are enhanced, and the safety and compliance of the processing process are ensured; comprehensive cost control and decision support are provided, and economic benefits and social benefits of enterprises are improved.

The invention provides a two-phase aerobic fermentation device and an application method thereof. The device integrates a raw material pretreatment system, a feeding system, an aeration system, a stirring system, a heating and heat preservation system, a leachate backflow system, a decomposition bin, a decomposition bin, a waste gas treatment system and an intelligent control system. The method comprises the following steps: S1, raw material pretreatment; s2, metering and feeding the raw materials; s3, performing high-temperature aerobic decomposition; s4, medium and low temperature post-decomposition; s5, waste gas collection treatment; and S6, product discharging quality control. According to the method, aerobic fermentation is divided into a catabolism phase and an anabolism phase by taking a high-temperature period in a typical aerobic fermentation temperature change curve as a boundary, and decomposition-anabolism of aerobic microorganisms is enhanced by regulating and controlling a microenvironment in a split-phase manner, so that the aerobic biological treatment efficiency is effectively improved, and retention of different functional bacteria in a system is facilitated. The bottleneck problems of large occupied area, long period, low fertilizer efficiency, low functional strain preservation amount and the like of aerobic fermentation are solved, and safe and efficient resource conversion is realized.

The utility model discloses cutting and compressing equipment for a metal filter screen, which belongs to the technical field of material cutting treatment and comprises a cutting table, a support, a first moving component, a cutting component and a compressing component, one end of the support is mounted on the cutting table, the cutting table is provided with a processing position, a first end of the first moving component is mounted at a second end of the support, and a second end of the first moving component is mounted at a third end of the support. The cutting assembly and the pressing assembly are both installed at the second end of the first moving assembly. In the first direction, the second end of the first moving assembly is provided with a first moving position and a second moving position, and at the first moving position, the cutting assembly and the pressing assembly are away from the machining station. In the second moving position, the cutting assembly and the pressing assembly are close to the machining position. The pressing assembly is used for pressing the filter paper, and after the filter paper is pressed, the cutting assembly cuts the filter paper, so that cutting of the filter paper is achieved; the pressing assembly and the cutting assembly jointly adopt the first moving assembly to achieve operation, and the equipment use and maintenance cost is reduced.

The invention provides an aerobic composting method and application of reservoir blue-green algae and reed straws, the reservoir blue-green algae, reed straws and the like are used as raw materials, a thermophilic microbial agent is used for performing aerobic composting treatment on the raw materials, and a nano zero-valent iron / biochar composite material is added, so that the aerobic composting effect is achieved. By using the material, the electron transfer rate between microbial species in an aerobic composting system is increased, H2S and other foul gases released in the composting process are efficiently reduced, and the odor emission intensity is effectively reduced while the decomposition speed of organic matters in the aerobic composting process of organic wastes is increased.

The invention relates to the technical field of agricultural cultivation, in particular to a fine grain tailing-based rice seedling substrate and a preparation method thereof. The fine grain tailing-based rice seedling raising substrate comprises the following components: fine grain tailings, fresh animal waste powder, a modifier A and diatomite. The fine grain tailing rice seedling raising substrate has excellent water and fertilizer retention performance, can effectively improve the soil structure and physicochemical properties, improves the air permeability and water retention of the substrate, promotes plant growth, and reduces dependence on soil resources and influences on the environment. The fine grain tailing-based rice seedling substrate prepared by the invention is wide in material source and simple in preparation process, has the advantages of promoting healthy and strong growth of seedlings, enabling seedlings to emerge neatly, being developed in root system, multiple and long in root system, strong in root system coiling force, high in seedling rate, high in comprehensive quality of the seedlings and the like, and has a relatively wide application prospect.

The invention discloses a comprehensive production line for a plastic pipe, relates to the technical field of pipe processing, and aims to solve the problems that when the pipe is cut, the pipe is concave inwards and liquid on the surface of the pipe is not cleaned thoroughly due to an existing cutting method. Comprising a pipe and a cooling device, liquid used for cooling the pipe is arranged in the cooling device, the pipe penetrates through the cooling device, and a wiping mechanism, a clamping mechanism and a cutting box are arranged on the front side of the cooling device from near to far; through all parts arranged in the cutting mechanism, when a motor drives a cutting driving wheel to rotate, the cutting driving wheel drives a cutting transfer wheel to rotate in a circular groove of a rotating disc through a cutting driven wheel; teeth arranged on the end face of a cutting transfer wheel are meshed with a synchronous gear of a cutting assembly to drive cutting pieces to rotate, the two sets of symmetrically-arranged cutting pieces cut a pipe, and through the structural design of a rotary driving wheel, a rotary gear and a rotary disc, the cutting pieces are controlled to cut the pipe.

The invention discloses a resource application method of a zeolite-based material with two-stage synergism of heavy metal adsorption and antibiotic catalytic degradation, and belongs to the field of wastewater treatment. The method comprises the following steps: (1) adding zeolite into wastewater containing heavy metal ions, uniformly mixing, oscillating, and adsorbing to remove the heavy metal ions in the wastewater; (2) sequentially washing, filtering and drying the zeolite adsorbed with the heavy metal ions to obtain a zeolite-based catalyst; and (3) adding the zeolite-based catalyst into the wastewater containing the antibiotics, adding an oxidant, uniformly mixing, and oscillating to realize catalytic degradation of the antibiotics in the wastewater. According to the invention, heavy metal ions are removed by using the cation exchange performance of zeolite, and the zeolite adsorbing heavy metals is directly used as a catalyst to degrade antibiotics, so that the resource utilization of heavy metal pollutants is realized. The method shows excellent heavy metal adsorption performance and antibiotic catalytic degradation effect, and has the advantages of wide application range, simple process and the like.

The invention discloses a residual sludge in-situ fermentation driven anaerobic ammonia oxidation self-enrichment device and method. The device comprises a raw water tank, a whole-process nitrification reactor, a middle water tank, a reactor sludge fermentation driven short-range denitrification synchronous anaerobic ammonia oxidation reactor and a water outlet bucket. According to the residual sludge in-situ fermentation driven anaerobic ammonia oxidation self-enrichment device and method, a carbon source generated by residual sludge fermentation is used as an electron donor to drive short-cut denitrification / anaerobic ammonia oxidation reaction, and residual sludge recycling is achieved under the condition that an external carbon source is not needed; and sponge filler is used as a carrier for in-situ self-enrichment of anaerobic ammonium oxidation bacteria, so that an integrated sludge fermentation synchronous short-cut denitrification / anaerobic ammonium oxidation system is constructed, a solution can be provided for advanced nitrogen removal and sludge reduction of urban sewage, and the method has important significance for realizing sustainable urban domestic sewage treatment.

The invention discloses a laser cutting assembly and a laser cutting device, and belongs to the technical field of laser cutting, the laser cutting assembly comprises a rack, and a controller is fixedly mounted on the outer wall of one side of the rack; according to the laser cutting device, the stabilizing and flattening accessory and the joint cutting treatment accessory are arranged on the efficient cutting assembly in a matched mode, through the design, free and rapid position adjustment of the laser cutting assembly can be completed, the laser cutting device can be suitable for different cutting conditions, and meanwhile the cutting efficiency can be improved while material cutting is conducted. The synchronous cooling and heat dissipation treatment is carried out on the cutting area, so that the situation of thermal deformation or thermal stress of a workpiece caused by heat accumulation of the cutting area and generation of a heat affected area is effectively avoided, meanwhile, the cutting seam can be synchronously treated in the cutting process, and the cutting efficiency is improved. And the problem that the cutting quality is affected due to the defects such as burrs and cutting edge flaws easily occurring near a material cutting opening can be effectively solved, and the actual application effect of the overall structure is greatly improved.

The utility model relates to a cutting device for leather waistband production, which comprises a rack, a feeding plate and a cutting mechanism are arranged on the rack, the feeding plate is slidably arranged on the rack and is in transmission connection with a first driving source arranged on the rack, and a plurality of cutting grooves distributed at intervals are formed in the feeding plate. The front end and the rear end of the feeding plate in the sliding direction of the feeding plate are each provided with a material clamping assembly, and each material clamping assembly comprises a plurality of material clamping plates which are arranged on the feeding plate in a sliding mode and located above the ends of the feeding plate. A cutting gap aligned with the cutting groove is formed between every two adjacent material clamping plates, the multiple material clamping plates are in transmission connection with a material clamping air cylinder arranged on the rack, and the cutting mechanism comprises a cutter shaft which is rotationally arranged on the rack, is in transmission connection with a first motor arranged on the rack and is located above the sliding path of the feeding plate; the cutter shaft is provided with a plurality of round cutters aligned with the cutting grooves in a one-to-one mode. According to the cutting device for leather waistband production, the leather cutting efficiency can be improved, and manpower is saved.

The invention provides a concrete test block demolding machine and a control method thereof. The concrete test block demolding machine comprises a rack, a trimming channel is defined by the trimming device, a first position is correspondingly arranged outside the feeding end of the trimming channel, and a second position is correspondingly arranged outside the discharging end of the trimming channel; the first conveying device can convey the first mold to a first position, and an opening of the first mold located at the first position communicates with the feeding end of the trimming channel; the second conveying device can convey the second mold to a second position, and an opening of the second mold located at the second position communicates with the discharging end of the trimming channel; the material ejecting device is provided with a material ejecting end, the material ejecting end can penetrate into the through hole and abut against the test block of the first mold located at the first position, and then the material ejecting end moves and pushes the test block of the first mold into the trimming channel, so that the peripheral side wall of the test block enters the second mold located at the second position after being trimmed by the trimming channel; in the demolding process of the concrete test block, trimming and transferring of the test block can be achieved at the same time, and the production efficiency is improved.

The invention discloses a continuous enhanced washing desalination system and method for waste incineration fly ash, the system comprises at least three washing units which are connected in series, each washing unit comprises a washing tank, a hydrodynamic cavitator, a circulating pump, a first mud-water separator and a second mud-water separator which are communicated to form two sections of external circulating pipelines, and a washing liquid recycling pipeline is formed. The invention further discloses a method for treating the waste incineration fly ash through the system. According to the washing desalination system disclosed by the invention, deep elution desalination treatment is carried out on fly ash by adopting continuous three-stage stirring washing, two-stage forced circulation strengthening and two-stage mud-water separation, so that the desalination treatment on the fly ash can be efficiently and thoroughly completed on the premise of effectively reducing the water consumption; the device has the advantages of being simple in equipment, easy and convenient to operate, small in occupied area, low in cost, water consumption and energy consumption, high in elution efficiency, wide in application range, capable of continuously running, good in running stability and the like, and has an important promoting effect on reduction and resource utilization of the fly ash.

The present invention discloses a battery health analysis method, device, equipment, storage medium and program product, the method comprising: preprocessing original real vehicle data to obtain multiple groups of charging segment data, the charging segment data comprising charging data of multiple current stages, determining the battery health status labels corresponding to each current stage based on the multiple groups of charging segment data, obtaining battery characteristic information, the battery characteristic information comprising voltage characteristic information, cell inconsistency characteristic information and severe operating condition characteristic information, performing health analysis on the vehicle battery to be analyzed based on the battery health status labels and battery characteristic information of each current stage, performing feature analysis based on the battery characteristic information of multiple dimensions, thereby avoiding the problem of inaccurate characterization caused by single-dimensional analysis, effectively improving the correlation between the characteristics and the battery health, effectively reducing the health analysis error of the vehicle battery, and realizing rapid and accurate evaluation of the vehicle battery health.

The invention relates to a method for high-efficiency in-situ reduction treatment of sludge, which comprises the following steps: S1, pumping a sludge mixed solution in a sludge concentration tank into a self-suction internal circulation reaction kettle, adding NaOH and hydrogen peroxide into the self-suction internal circulation reaction kettle, continuously introducing ozone into the self-suction internal circulation reaction kettle, carrying out wall breaking and hydrolysis on the sludge under the action of a plurality of medicaments, and dissolving microbial components into a liquid phase; and pumping the mixed solution into a centrifugal separator for solid-liquid separation to obtain sludge. Compared with the prior art, efficient reduction of the sludge can be realized through a cheap agent and an efficient reactor, the overall operation cost is low, and the application prospect is wide.

The present invention relates to the field of valve technology, and in particular to a river channel sluice reinforcement device. It includes a positioning frame, the positioning frame is a U-shaped structure with an opening facing downward, and the opposite ends of the two vertical sections of the positioning frame are provided with sliding grooves; it also includes a door panel device, the door panel device is connected in the two sliding grooves, and the door panel device includes a rectangular plate that is slidably connected to the two sliding grooves at the same time. The bottom connection mechanism and the plug-in mechanism used in the present invention cooperate with the positioning frame to limit the moving direction of the rectangular plate at the same time, and increase the overall impact and extrusion resistance of the rectangular plate from multiple directions, strengthen the strength between the rectangular plate and the side wall of the river channel, effectively avoid the deformation of the rectangular plate, and increase the sealing of the sluice during use.

The invention relates to a sludge treatment process and device based on flash evaporation, and the device comprises a first-stage flash evaporation system, and also comprises any one of a hydrolysis tank and a second-stage flash evaporation system. According to the method, the sludge is subjected to resourceful treatment in a flash evaporation and pyrohydrolysis and / or secondary flash evaporation mode, cell walls in the sludge can be fully and effectively broken under the low-temperature condition through the flash evaporation technology, moisture and solutes in cells are released, the dewatering performance of the sludge is improved, and the sludge can be recycled. The wall-broken sludge is conveyed to the hydrolysis tank for hydrolysis and / or the second flash evaporation tank for flash evaporation and drying, and the wall-broken sludge is more easily hydrolyzed and / or dried. The problems of high energy consumption, large heat loss and long treatment time in the sludge drying process are solved, and the productivity is greatly improved.

The utility model relates to the technical field of cloth cutting, in particular to a pneumatic cutting knife which comprises an installation handle and a cutting knife body, an air pipe connector is arranged at one end of the installation handle, and a telescopic piece is connected in the installation handle through an air pumping mechanism. The telescopic part comprises a clamping ring, a fixing cylinder is fixedly connected to the inner wall of the clamping ring, a sliding rod is slidably connected to the inner wall of the fixing cylinder in a sealed mode, one end of the sliding rod is elastically connected with the inner wall of the fixing cylinder through a spring, and a sliding block is fixedly connected to the end, away from the fixing cylinder, of the sliding rod. According to the cloth cutting device, the cutter moves rightwards to cut cloth, the manual adjusting valve is arranged, the flow of gas flowing through the adjusting cavity can be adjusted, then the moving distance of the cutter can be adjusted, cloth with different thicknesses can be cut, and the situation that an electric push rod is used for stretching and retracting the cutter back and forth to cut the cloth at present is avoided; the cost required in the using process is increased, and the operation of replacing electric push rods of different models back and forth is tedious.

The present invention discloses a self-propelled tree digging machine, including a crawler vehicle, a rear hydraulic support column is installed on the back of the crawler vehicle, an inner driving rod is installed at the inner center of the connecting sleeve through a bearing seat, and one end of the inner driving rod is welded and fixed to the center of the outer gear, and a driving gear is fixedly installed at the other end of the inner driving rod, the driving gear is connected to both ends of a chain mechanism, and the middle of the chain mechanism is installed on a guide mechanism, and a positioning plate is bolted to the end of the guide mechanism, and the other end of the positioning plate is connected and fixed to the end of the connecting sleeve by bolts, and a locking mechanism is arranged on the top of the positioning plate, and a corrugated flushing pipe is installed on one side of the inside of the tree digging bracket. The present invention ensures the stability of the tree digging mechanism during operation through a new support and adjustment structure, and the tree digging mechanism can rotate to cut a hemispherical soil ball, which not only ensures that the diameter of the soil ball is sufficient, but also can quickly cut off all roots, making it more convenient to use.