96results about How to "Reduce output" patented technology

The utility model belongs to the technical field of aluminum ash treatment equipment, and particularly relates to a roller screen anti-blocking device which comprises a bracket and a roller screen drum above the bracket, a sweeping anti-blocking piece is arranged on one side of the roller screen drum, a beating piece and a driving device are further arranged on the bracket, and the driving device is used for driving the roller screen drum to rotate. The sweeping anti-blocking piece comprises a scraper, a brush and a rolling brush which are sequentially arranged in the rotating direction of the roller screen drum, the scraper and the rolling brush are located on the inner side of the roller screen drum, the brush is located on the outer side of the roller screen drum, connecting plates are arranged at the two ends of the roller screen drum, the scraper and the brush are fixedly arranged between the two connecting plates, and the rolling brush is rotationally arranged between the two connecting plates; one side of the scraper is in contact with the inner side wall of the roller screen drum. According to the roller screen, the scraping plate is arranged in the roller screen and used for scraping materials attached to the inner wall of the roller screen, then the materials in the screen holes are ejected out through the brush, the screen holes are further guaranteed to be dredged through the roller brush, and then the material screening efficiency is guaranteed.

The invention relates to the technical field of wastewater treatment, in particular to a multi-stage treatment method and system for lead smelting wastewater. The method comprises the following steps: acquiring water quality data of the multi-source lead-acid storage battery smelting wastewater, and based on the water quality data, analyzing to obtain a battery wastewater multiphase feature set; on the basis, the information of the stabilized intermediate water body is obtained by dynamically adjusting the hydrogen ion concentration, breaking a complexing structure and preferentially separating fluoride; on the basis, the antimony valence state and the antimony concentration are monitored in real time, the oxidizing agent type and the reaction intensity are matched in a self-adaptive mode, oriented efficient conversion of antimony is achieved, and low-antimony pre-sedimentation water outlet information is obtained; on the basis, according to the dynamic proportion of the inlet water hydrogen ion concentration to the lead and antimony ions, a precipitation path control instruction is automatically switched, a purified water body with lead and antimony synchronously and deeply removed is obtained, and a lead smelting wastewater multi-stage treatment log is output. Harmful pollutants in the lead smelting wastewater process are efficiently removed, the method adapts to water quality fluctuation, consumption reduction and cost saving are achieved, compliance treatment of wastewater is achieved, and environment-friendly and economic values are achieved.

The invention relates to the technical field of bioengineering, in particular to a penicillin G acylase mutant, polynucleotide, an expression vector and application. The penicillin G acylase mutant is obtained by carrying out site-directed mutagenesis on a wild type penicillin G acylase gene of parent Escherichia coli, and carrying out site-directed mutagenesis on the wild type penicillin G acylase gene to obtain the penicillin G acylase mutant. Phenylalanine (F) at the 24th site of an alpha chain, proline (P) at the 383rd site of a beta chain, threonine (T) at the 384th site of the beta chain, glutamic acid (G) at the 385th site of the beta chain and serine (S) at the 386th site of the beta chain of the penicillin G acylase are introduced and mutated by a whole plasmid PCR (Polymerase Chain Reaction) technology to obtain mutants. When the penicillin G acylase mutant obtained by the invention is used for catalyzing methyl mandelate and 3-(1-methyl-1H-tetrazole-5-yl) thiomethyl-7-aminocephalosporanic acid to synthesize cefamandole, the synthesis activity is improved, and meanwhile, the side reaction rate is greatly reduced.

The utility model belongs to water quality purification technical field provides a kind of purification device, circulating water aquaculture water quality purification system, the device includes by first filter bag, second filter bag and third filter bag that inner layer nest together outward, water flow gap is provided between adjacent filter bag;Water hole is opened on first filter bag, second filter bag and third filter bag, water source entering purification device forms axial-radial-axial flow path in water flow gap by water hole, finally reaches the water purification effect of denitrification and filtration.This purification device can filter organic particulate matter in water source and the whole process device stability is high;And have filtration function and adsorb particulate function;Based on the assembly of purification device, the water oxygen content gradient of the present purification system can be reduced to anaerobic state, thereby causing short-range nitrification reaction to remove nitrogen from water body;And the system has the characteristics of low energy consumption, good purification effect and compact system, thereby reducing the total investment cost.

The invention relates to the technical field of particle accelerators, in particular to a compact rotary thin-wall beam transmission vacuum system and a design method. The beam transmission vacuum system comprises: a first transmission unit, one end of which is provided with a first bifurcated thin-wall dipolar iron vacuum chamber to form a first branch and a second branch; one end of the second transmission unit is connected with the second branch, and a second bifurcated thin-wall dipolar iron vacuum chamber and a third bifurcated thin-wall dipolar iron vacuum chamber are sequentially arranged in the second transmission unit to form a third branch, a fourth branch and a fifth branch; the fixed treatment terminal is connected with the first branch; and rotating the treatment terminal to provide the beam to one of the plurality of treatment rooms in an alternative manner. According to the invention, an intensive architecture that a single rotary treatment terminal provides particle beams for a plurality of treatment rooms at the same time is adopted, so that the equipment manufacturing cost is greatly reduced, the equipment utilization rate is improved, and the treatment cost is reduced.

The application discloses an automatic loading system based on visual detection and a control method thereof, and belongs to the technical field of loading of goods, in particular to an automatic loading system based on visual detection and a control method thereof. The application aims to provide an automatic loading system based on visual detection and a control method thereof, and the automatic loading system is convenient to use.

The present application relates to a kind of demulsifier for oily wastewater and its preparation method, belong to oily wastewater treatment technical field.The raw material component of the demulsifier includes 15-25wt% iron salt, 10-20wt% aluminum salt, 5-10wt% auxiliary salt and the balance deionized water;Auxiliary salt is the complex system of magnesium salt and zirconium salt;The demulsifier is complexed into intermediate by its raw material component, then polymerized at the temperature of ≤30 ℃.The synergistic effect of iron ion, aluminum ion, magnesium ion and zirconium ion, the prepared demulsifier keeps the oil removal rate at 95% or more in the range of temperature 5-40 ℃, salinity 0.5%-5%, pH 4.0-10.0, COD removal rate is more than 85%, and the performance stability is significantly better than traditional demulsifier, with high demulsification efficiency, low sludge yield, strong adaptability, green environmental protection, low cost and wide application scenarios, with high market value.

This invention discloses a methanogenic lyase homologous to PeiR lyase and its applications. The PeiR lyase protein, targeting the peptide bonds of the methanogenic cell wall, participates in the biological process of hydrolyzing the archaea cell wall, effectively killing methanogens and reducing methane production. Proteins homologous to this lyase possess potential methane-reducing potential. This invention utilizes a series of bioinformatics software to identify protein sequences encoded by methanogenic viruses from a large amount of rumen microbial virome sequencing data, and analyzes the structural homology between these proteins and PeiR. Ultimately, this invention successfully obtained a series of methanogenic lyases homologous to PeiR. To achieve the expression of these lyases, this invention designed multiple primers to synthesize the target sequences and successfully expressed them in a prokaryotic expression system. In vitro gas production experiments with the crude enzyme solution showed that these lyases are effective in reducing methane production.

This invention discloses a composite defluoridating agent for deep defluorination of water and its preparation method. The defluoridating agent is an aqueous solution of a metal salt or an aqueous solution of a metal salt dispersed with nanoparticles. The active ingredient of the defluoridating agent contains at least three metal ions: lanthanum, aluminum, and zinc, and the molar ratio of La, Al, and Zn is 1~4:3~5:1~3. The pH of the aqueous solution is 6.0~6.5. Compared with traditional PAC, which requires more than 5 mmol / L to reduce fluoride ions to 1 mg / L, the composite defluoridating agent of this invention only requires 1.2 mmol / L (based on the total concentration of active ingredients) to reduce fluoride ions to below 1.0 mg / L, significantly reducing treatment costs and sludge production. In addition, this invention has a fast settling speed, achieving solid-liquid separation within 10 minutes. In the preferred scheme containing nanoparticles, magnetic adsorption settling can be completed within 5 minutes, greatly shortening the water treatment process cycle.

The present application belongs to the field of building construction technology, and relates to a window sill construction method and a prefabricated part for a reconstruction project, comprising an original wall, a plurality of prefabricated blocks and a mortar leveling layer, the original wall and the plurality of prefabricated blocks are provided with the mortar leveling layer, the prefabricated blocks are fixed by high-strength self-leveling grouting, the original wall passes through the plurality of prefabricated blocks through a reinforcing bar connecting piece, and the original wall and the plurality of prefabricated blocks are provided with a waterproof layer outside. The combination scheme of the prefabricated blocks, the reinforcing bar connecting piece and the self-leveling grouting effectively reduces the process of the overall structure construction, improves the construction efficiency, reduces the material waste on the construction site, avoids the generation of a large amount of building material garbage, effectively saves the construction cost, and improves the effect and long-term reliability of the window sill prefabricated reconstruction project.

A bladed apparatus (100) for treating feedstock in a process fluid is provided, the apparatus including means for adjusting the position of the working blades of a rotor (3) relative to stator components (2, 4) in the longitudinal direction of a rotor shaft (1). Adjustment is performed by axial displacement of the rotor (3) or alternatively by axial displacement of the reactor shells (22A, 32A). A method for improving treatment efficiency and adjusting flow losses during the treatment of feedstock in a process fluid, particularly under off-design conditions in the bladed apparatus (100), is also provided. In embodiments, the treatment of the feedstock includes thermal cracking or thermochemical cracking of hydrocarbon-containing feedstocks.

This invention discloses a resin compounding method for removing trace impurities from coal chemical wastewater, specifically relating to the field of wastewater treatment technology. It solves the problems of existing technologies, such as difficulty in eliminating trace impurities, complex processes, high costs, and large amounts of wastewater generated. The method is characterized by the following steps: screening out a gel-type strong base anion exchange resin A; screening out a macroporous adsorption resin B; testing and measuring various indicators of resins A and B in a coal chemical wastewater environment; determining the compounding ratio of resins A and B based on the measured indicators and compounding them into a composite resin C; using composite resin C for adsorption; and regenerating the resin after adsorption saturation. This invention has the advantages of good impurity removal effect, simple process, low cost, and environmental friendliness.

The utility model relates to the technical field of safety air bag filter element production, and discloses an automatic cutting device for safety air bag filter element production, which comprises a supporting bottom plate, a supporting frame is fixedly connected to one side of the outer part of the supporting bottom plate, a fixing plate is arranged outside the supporting frame, a distance adjusting mechanism is arranged outside the fixing plate, and the distance adjusting mechanism is fixedly connected with the supporting frame. A first sliding plate is slidably connected to the outer portion of the fixing plate, a rapid cutting mechanism is arranged in the first sliding plate and comprises a motor, the driving end of the motor is fixedly connected with a transmission column, a pushing plate is slidably connected to the outer portion of the transmission column, and a limiting assembly is slidably connected to the outer portion of the pushing plate. And a cutting tool is fixedly connected to the interior of the pushing plate. According to the utility model, the motor drives the transmission column to rotate and drives the cutting tool to move at a high speed, so that the stability of the cutting quality is further improved, the defective product output is reduced, and the cost is saved for enterprises.

The utility model is suitable for silicon carbide membrane filtration technical field provides a kind of agentless self-flocculation silicon carbide membrane filtration device, it include: fixed seat, the fixed seat is equipped with reaction mechanism and water production tank;The reaction mechanism includes the reaction pool of being fixed on the fixed seat, the one side of the reaction pool is equipped with ladder, one end of the reaction pool is equipped with power supply, the power supply is connected and is equipped with electrode, the one side of the reaction pool is equipped with control electric box, the inside of the reaction pool is equipped with membrane box group, the outside of the reaction pool adjacent the membrane box group is equipped with driving assembly, the top of the reaction pool is equipped with mud scraping assembly, the bottom of the reaction pool is equipped with a plurality of groups of first discharge pipeline, by this, the utility model has the advantages that reagent dosage is less, sludge production is low;High degree of automation, convenient operation;Equipment integration degree is high, and floor area is small;Processing effect is more optimal, and special water quality is suitable;Environment-friendly strong advantage.

This invention discloses a resource recovery method for low-phosphorus ferric phosphate production wastewater, belonging to the technical field of ferric phosphate wastewater treatment and resource recovery. The method includes the following steps: reacting the low-phosphorus ferric phosphate production wastewater with an iron source solution in a first precipitation reaction to obtain hydroxyferric phosphate precipitate and a first filtrate; the pH of the first precipitation reaction is 0.8~1.8; reacting the first filtrate with a catalytic oxidant in a second precipitation reaction to obtain manganese dioxide precipitate and a second filtrate; the pH of the second precipitation reaction is 6.0~9.5, and the redox potential is -50 to 250 mV; subjecting the second filtrate to membrane concentration treatment to separate desalinated water and concentrated water; subjecting the concentrated water to a first evaporation crystallization to obtain evaporation crystallization mother liquor and ammonium sulfate crystals; and subjecting the evaporation crystallization mother liquor to cooling crystallization to obtain magnesium ammonium sulfate crystals and cooling crystallization mother liquor. This invention achieves efficient recovery of phosphorus, manganese, monophosphate, and magnesium from low-phosphorus ferric phosphate production wastewater, with high product purity.

The utility model discloses a three-row miniature self-propelled salvia miltiorrhiza transplanter, which relates to the field of Chinese herbal medicine transplanting and planting machinery and comprises a frame, a traveling mechanism, a seedling dropping mechanism, a transplanting mechanism and a transmission system, the traveling mechanism is mounted at the bottom of the front end of the frame, and a height adjusting device can adapt to different transplanting depths; the seedling throwing mechanism is arranged at the top of the rack, and the arrangement mode of the multiple seedling cups and the discharging holes meets the planting requirement of one ridge and three rows of salvia miltiorrhiza; the transplanting mechanism is mounted on the lower rack, and a cam drives a connecting rod mechanism to realize accurate transplanting; the transmission system is located at the foremost end of the rack, and the engine drives the walking wheels and the transplanting mechanism to conduct transplanting operation. The improved transplanting machine effectively adapts to the planting agriculture that three rows of salvia miltiorrhiza are planted on one ridge in Shaanxi province, transplanted seedlings are good in upright performance, seedling throwing can be completed only by one operator, operation efficiency is remarkably improved, and labor cost is saved.

A heterovalent copper-doped lithium cobalt phosphate cathode material and its preparation method are disclosed, belonging to the technical field of lithium-ion battery cathode materials. The general chemical formula of the heterovalent copper-doped lithium cobalt phosphate cathode material is LiCu. x Co 1‑x PO4, where 0 < x ≤ 0.1; it has an orthorhombic Pnma olivine structure, Co 2+ The cobalt phosphate material occupies the 4c ​​site of the CoO6 octahedron; copper is doped into the lattice as monovalent copper, and heterovalent cobalt sites are substituted. The method is as follows: First, lithium, copper, cobalt, and phosphorus sources are mixed uniformly to obtain a precursor mixture; second, the precursor mixture undergoes a high-temperature solid-state reaction under a protective atmosphere, followed by calcination at 600-800℃ for 4-8 hours; finally, it is cooled to room temperature to obtain the cathode material. This invention successfully activates the electrochemical activity of lithium cobalt phosphate, significantly improving the initial charge-discharge capacity compared to the pure phase; the heterovalent substitution-induced cobalt valence state change helps optimize the electronic structure of the material and improve conductivity; the preparation process helps reduce side reactions and impurity phase formation, is simple, has good reproducibility, and is easy to scale up industrially.

The invention discloses an edge computing resource scheduling and self-healing method and device based on containerized micro-service. The method comprises the following steps: acquiring operation data in a multi-energy scene through a heterogeneous terminal; when a certain micro-service in the edge computing gateway breaks down, the edge computing gateway based on the containerized micro-service architecture dynamically dispatches operation of the micro-service to realize fault self-healing of the micro-service; when a certain edge computing gateway in the edge computing gateway cluster formed through the negotiation of the local area network breaks down, another healthy gateway is selected to bear the responsibility of the broken-down edge computing gateway; when the edge computing gateway detects that the operation data reach a trigger condition, executing control by adopting a scheduling strategy based on event driving, computing a new output distribution scheme of each energy unit through edge-cloud cooperation, and issuing an adjustment instruction to the corresponding energy equipment by the edge computing gateway according to the output distribution scheme; the system reliability is improved, the real-time response capability is enhanced, and the energy utilization rate is optimized.

An electron beam imaging system includes an electron beam source for generating a primary beam, an optical system for directing and focusing the primary beam onto a sample, and a charge detector for collecting interaction products. The charge detector includes: a current detection electrode configured to be connected to current measurement circuitry; a low atomic mass region comprising a low atomic mass material; and a high atomic mass region comprising a high atomic mass material. The high atomic mass material has a higher atomic mass than the low atomic mass material. The electron beam imaging system is configured such that during use, the low atomic mass region is closer to the sample than the high atomic mass region to reduce the second generation interaction product yield at the charge detector.

The embodiment of the application provides a double-sweet-spot prediction method and device for a geological reservoir, which comprises the following steps: obtaining a plurality of to-be-analyzed regions according to the three-dimensional distribution information of a double-sweet-spot index of a target reservoir, and obtaining the fracture propagation simulation result corresponding to the to-be-analyzed region; based on the established three-dimensional geological model of the target reservoir, according to the distribution information of the aquifer and the distribution information of the thin interlayer in the three-dimensional geological model of the target reservoir, and through the fracture propagation simulation result corresponding to the to-be-analyzed region, the to-be-analyzed region is marked as a double-sweet-spot region after it is determined that the fracture of the to-be-analyzed region will not communicate with the aquifer and can pass through the thin interlayer; and all double-sweet-spot regions are obtained by traversing the plurality of to-be-analyzed regions of the target reservoir, so as to complete the double-sweet-spot prediction of the target reservoir. By simultaneously considering the distribution information of the complex geological structure of the aquifer and the thin interlayer and the fracture propagation characteristics, the precision of the double-sweet-spot region prediction is improved, and the economy of the reservoir development is improved.

The invention relates to the technical field of wastewater treatment, and particularly discloses a biological deamination treatment process based on an iron-carbon coupling method. The invention discloses a biological deamination treatment process based on an iron-carbon coupling method. The biological deamination treatment process comprises the following steps: pretreatment: filling a reactor with iron-carbon composite filler with a sandwich structure; then circularly contacting the surface of the filler with an iron reducing bacteria solution and a sulfur autotrophic bacteria solution, and culturing and biofilm culturing to form a composite membrane; wherein the iron-carbon composite filler with the sandwich structure comprises two conductive net layers and an iron powder layer arranged between the two net layers; wastewater treatment: adjusting the pH and temperature of the wastewater, then introducing the wastewater into a reactor, and using hydrogen generated by iron-carbon reaction as a signal source: when the hydrogen concentration is greater than 0.5%, automatically closing aeration to enter a denitrification mode, and when the hydrogen concentration is less than 0.2%, starting aeration to convert into a nitrification mode; the composite membrane formed in the reactor continuously degrades ammonia nitrogen, and deamination treatment is completed.

The present disclosure provides a method for recycling aluminum and iron from iron-aluminum slag, which comprises: (1) mixing the iron-aluminum slag with a first alkali solution for alkali conversion reaction, and after solid-liquid separation, obtaining a sulfate solution and an iron-aluminum slag after alkali conversion; (2) mixing the iron-aluminum slag after alkali conversion with a second alkali solution for alkali leaching reaction, and after solid-liquid separation, obtaining an aluminate solution and an iron residue; (3) acid dissolving the iron residue, then adding sulfuric acid to precipitate iron sulfate, and after solid-liquid separation, obtaining iron sulfate crystals and an acid solution. The method of the present disclosure can effectively separate and recycle iron and aluminum elements in the iron-aluminum slag.

The utility model relates to a kind of electric field activation pyrite removal wastewater total nitrogen device, belong to sewage treatment technical field, the utility model includes water distribution tank, reaction tank and effluent tank;Anode cage, cathode tube are equipped in the reaction tank, and sulphur iron ore particles are filled between cathode tube and anode cage;The power supply is connected to the cathode tube and anode cage;Water distribution tank and reaction tank between being equipped with baffle A, and the bottom of baffle A remains water flow passage A;Reaction tank and effluent tank between being equipped with baffle B;Water flow passage B is left in the left side of baffle B;The structure of the utility model makes sewage contact with sulphur iron ore under the action of electric field, and nitrate nitrogen and nitrite nitrogen can be reduced to nitrogen without biological bacteria, and nitrogen removal rate is high.

This invention provides a deformation-resistant aluminum alloy profile rolling and forming apparatus, relating to the technical field of aluminum alloy profile processing and forming equipment. It includes a frame, a rolling execution unit, a roll gap adjustment unit, a power unit, a cooling unit, and a spring force compensation and pressure stabilization unit. The spring force compensation and pressure stabilization unit includes a crossbeam, a rotating frame, a spring plate, pressure rollers, and a pressure plate. By incorporating the spring force compensation and pressure stabilization unit, which employs a cooperative structure of the spring plate, pressure rollers, and rotating frame, it can dynamically compensate for the changes in elastic force caused by the deformation of the spring plate during profile rolling. By adjusting the elastic force arm through the sliding of the pressure rollers, the pressure applied by the rolling rollers to the profile remains balanced and stable, effectively avoiding problems such as uneven profile thickness and force deviation during rolling, and significantly improving the overall accuracy and stability of aluminum alloy profile rolling processing.

The application relates to the technical field of throttles, in particular to a fishing-free throttle, which comprises a main body, slips, a connecting sleeve, a fishing head, a sealing cylinder and a sandproof cover. A plurality of slips are arranged in a ring shape on the main body. The connecting sleeve is arranged in the main body. The fishing head is inserted into the connecting sleeve and connected with the connecting sleeve. The connecting cylinder is arranged in the main body. The sealing cylinder is arranged on the connecting cylinder. The sealing cylinder is jointly arranged with the main body and is provided with a sealing gasket. The sandproof cover is arranged below the sealing cylinder. The valve core and the air nozzle are arranged in the sealing cylinder. The air nozzle is slidably connected with the sealing cylinder through a sealing ring. The air nozzle and the sealing cylinder are connected with a shearing spring. The valve core comprises a fixed core and a movable core. The valve core is divided into the fixed core and the movable core. When the pressure is reduced, the movable core is driven to move by the air nozzle to increase the throttling passage of the valve core, so that the fishing-free throttle is realized, and the yield of the oil and gas well can be ensured.

The utility model belongs to the technical field of agricultural frost prevention, and particularly relates to an intelligent spraying device for preventing fruit trees from freezing flowers, which comprises a deep-well pump, a booster pump, a pipeline, a spraying system, a meteorological data acquisition system, a control system and an erecting device. According to the system, stable heat energy of underground water is utilized, the underground water with the temperature ranging from 12 DEG C to 15 DEG C is pumped through a deep well pump, the temperature around fruit trees is directly increased through the stable heat energy of the underground water, natural heat energy of the underground water is directly utilized, energy consumption and operation cost are remarkably reduced, and a high-precision temperature sensor, a humidity sensor and an intelligent control system are integrated; the temperature and humidity of the orchard can be monitored in real time, and spraying time and water spraying amount can be automatically adjusted according to meteorological data. The automatic control mode not only improves timeliness and accuracy of anti-frost measures, but also reduces manual intervention, reduces labor intensity and management cost, and realizes accurate temperature control and uniform coverage of fruit tree crowns.

The utility model discloses a biological reagent filling device which comprises a conveying table, a filling assembly, a positioning assembly and a linkage piece. The filling assembly comprises a lifting plate and a filling head; the filling head is fixedly connected with the lifting plate and moves in the vertical direction under the lifting effect of the lifting plate. The positioning assembly comprises two elastic clamping blocks which are symmetrically arranged; the sliding direction of the elastic clamping block is perpendicular to the conveying direction of the conveying table. The linkage piece is arranged between the lifting plate and the two elastic clamping blocks; when the lifting plate ascends to the highest position, the two elastic clamping blocks contract to the two sides of the conveying table under the action of the linkage piece. And in the process that the lifting plate drives the filling head to move to make contact with the bottle opening of the biological reagent bottle, the two elastic clamping blocks stretch out to abut against the outer wall of the biological reagent bottle under the action of the linkage piece. Through the arrangement, the purposes of improving the production rate and reducing the production cost are achieved.

This utility model belongs to the technical field of oil presses, and specifically relates to a multi-stage pressing structure that is easy to disassemble. It includes several unit pressings that are detachably connected in sequence. Each unit pressing has a variable-diameter bushing detachably connected to its end. The inner diameter of the variable-diameter bushing is smaller than the inner diameter of the corresponding unit pressing at that point. This utility model provides a multi-stage pressing structure that is easy to disassemble. Compared with traditional multi-stage pressing structures, it can achieve true multi-stage pressing, effectively improving oil pressing efficiency, saving labor and electricity, increasing output per unit time, and saving costs to a certain extent. Furthermore, the detachable connection between the unit pressings, combined with the detachable connection of the variable-diameter bushing, facilitates the disassembly of the pressing units, especially the pressing shaft, making it very convenient.

The utility model relates to the technical field of wastewater treatment, in particular to a low-carbon biological treatment system which comprises a pretreatment module, a decarbonization module and a biological denitrification module, the pretreatment module comprises an adjusting tank and a pretreatment section, the adjusting tank is used for homogenizing and homogenizing wastewater entering the adjusting tank, and the pretreatment section is used for removing toxic and harmful pollutants which cannot be biologically degraded; the decarburization module comprises an aeration tank and a sedimentation tank and is used for removing organic matters in the wastewater. An MABR reaction zone and an anaerobic ammonia oxidation reaction zone are integrated into an up-flow reactor, an MABR reaction layer and an anaerobic ammonia oxidation reaction layer are formed in the reactor, multifunctional pollutant removal can be achieved, meanwhile, a pipeline for sludge dredging and discharging is arranged, it is guaranteed that the two processes can complement each other, partition reaction can be achieved, and the effect that the two processes can be recycled is achieved. And the function is not influenced by integrated design.

The invention discloses a crown cap sorting device, and relates to the field of crown cap sorting, the crown cap sorting device comprises a bottom plate, a driving motor is mounted on the bottom plate, the output end of the driving motor is connected with a transmission part, and the side, away from the driving motor, of the transmission part is connected with a rotating disc to drive the rotating disc to rotate; according to the device, the driving motor drives the transmission part and the rotating disc to continuously rotate, the crown caps uniformly slide to the outlet of the material guide channel on the panel by utilizing centrifugal force, centrifugal blanking is stable and continuous, the crown caps are uniformly stressed and regularly arranged, and hard friction and direct impact are reduced, so that the coating scratch and rusting risk is reduced, and the service life of the crown caps is prolonged. The guide wheel arranged in the material guide channel and the rotating disc rotate in the opposite direction, the crown caps clamped at the material guide channel can be rapidly thrown away, the smoothness of an outlet is improved, the auxiliary cleaning assembly can collect and discharge cleaning liquid, continuous and low-damage cap sorting and outputting of the crown caps are achieved under the condition that magnetic force or vibration intervention is not needed, and the working efficiency is improved. And the cleaning preparation of the interior of the equipment is synchronously completed.