167results about How to "Save operating costs" patented technology

The invention provides a device and method that realizes the protection of fiber line in PON. It adopt two light modules to correspond two skeleton fiber lines in local end OLT, the receiving and sending of two light signals can be started and closed by controlling. When system is working in skeleton fiber protection rearranging mode, only one module of the two sends down light signal, only one of two upper light signals can be selected to pass; when system is working in full fiber protection rearranging mode, two light modules can send down light signal at the same time, and the upper light signals can be selected to pass. Based on the invention, long time interruption can not be happened, maintainer can appoint engineer repair the faulted light line without interrupting the operation.

The invention relates to denitrification acinetobacters and a use thereof, and belongs to the field of environmental microbiology. The denitrification acinetobacters have a category name of Acinetobacter schindleri LN5, are preserved in the China general microbiological culture collection center of the China microbiological preservation management committee on May 30th, 2012, and has a preservation number of CGMCC No.6165. The denitrification acinetobacters have heterotrophic nitrification-aerobic denitrification functions, have high aureomycin resistance, can be used for simultaneous nitrification and denitrification (SND) treatment on nitrogen-containing sewage and especially on nitrogen and aureomycin-containing sewage, realize removal of a large part of ammonia nitrogen in nitrogen-containing sewage, realize small accumulation amounts of nitrite and nitrate nitrogen, realize nitrification-denitrification and COD removal in the same reactor, and realize environmentally-friendly, low-consumption and high-efficiency treatment on nitrogen-containing sewage.

The invention discloses a salinivibrio strain which can carry out biological denitrification under high-saline conditions, and an application thereof. The salinivibrio strain provided by the invention is collected in China General Microbiological Culture Collection Center (CGMCC) on 29th March, 2012 with a collection number of CGMCC No.5946. With a salinity (calculated according to NaCl) below 3-10%, the strain is placed in nitrogen-containing wastewater with dissolved oxygen of 2-6mg/L, such that biological denitrification can be carried out. The strain has high tolerance to high salinity, and grows well in a high-saline condition. The strain has both heterotrophic nitrification and aerobic denitrification capacities. Under a high-saline aerobic condition, the strain can carry out synchronous nitrification and denitrification, such that total nitrogen in sewage can be completely removed with high efficiency. Therefore, a major problem of biological denitrification under high-saline conditions is effectively solved, and a good application prospect is provided.

The invention relates to a device and method for cleaning, activating or pre-treating workpieces by blasting a carbon dioxide snow which is produced from pressurised CO2-containing fluids and at least one type of carrying compressed gas and is accelerated by means of a discharge nozzle (14), wherein a two-phase carbon dioxide mixture of a carbon dioxide gas and carbon dioxide particles is produced in an agglomeration chamber (8) by agglomerating and compressing carbon dioxide snow crystals which are radially added to the carrying gas in a multistage mixing chamber (10, 11, 12) comprising a central jet pipe (4), around which the carbon dioxide mixture circulates and which is used for supplying said carrying gas in such a manner that a high-energy turbulent gas flow for processing a workpiece is obtainable.

The invention discloses a hydrogenation transformation method of poor quality diesel distillate. The poor quality diesel distillate and hydrogen pass the reaction area which contains hydrorefining catalyst; the obtained material is separated to obtain hydrogen-rich gas and diesel distillate; the hydrogen-rich gas and the diesel distillate is fed into the hydrogenation cracking reaction area; the separated aviation kerosene distillate is fed into the aviation kerosene hydrorefining reaction area; the gas obtained in the hydrogenation cracking area through the separation of the material stream is for recycle use; naphtha and diesel product are obtained; the obtained aviation kerosene distillate is fed into the aviation kerosene hydrorefining reaction area; the gas obtained through the separation of aviation kerosene hydrorefining material steam is for recycle use and the aviation kerosene product is obtained. The hydrogenation transformation method of poor quality diesel distillate adopts the combination process of hydrorefining and hydrogenation cracking to transform the diesel distillate into high quality naphtha, aviation kerosene and diesel products directly.

The invention discloses a fish-passing type lock and a fish-passing method. The fish-passing type lock comprises a fish collecting and water replenishing gallery system with the inlet end located in an upstream approach channel and the outlet end located in a downstream approach channel, a fish luring and water replenishing gallery system with the inlet end located in the upstream approach channel and the outlet end located in a lock chamber, an upper lock head water replenishing gallery system with the inlet end located in the upstream approach channel and the outlet end located in an upper lock head curtain wall, and a fish blocking system comprising a fish blocking electric grid and a fish blocking net. On a lock of a navigable river built flood retarding project and a lock of a new flood retarding project, the fish-passing type lock can be used for greatly saving the project investment in building fish-passing facilities and guaranteeing the ecological balance of rivers.

The embodiment of the invention provides a mobile APP registration method and device and a mobile APP registration login method and device, and is used for solving the problem that a mobile phone number repeatedly registers mobile APPs by aiming at a phenomenon that a mobile network operator issues numbers for the second time or multiple times. The mobile APP registration method comprises the following steps: receiving a mobile APP account registration request initiated by a user through a mobile phone number; generating a unique account identifier for the current-time mobile APP account registration of the mobile phone number when a judgment result shows that the mobile phone number does not initiate the mobile APP account registration for the first time; when a confirmation result shows that an account password set through the current-time mobile APP account registration of the mobile phone number is different from the account password previously set each time, causing the account password set by the current-time mobile APP account registration to pass; and establishing a binding relationship for the mobile phone account which succeeds in the current-time mobile APP account registration with the mobile phone number, and recording a corresponding relationship between the account identifier and the account password of the mobile phone account.

The invention relates to a method for relieving anaerobic ammonium oxidation system salinity shock with betaine as an additive. According to the invention, a successfully started anaerobic ammonium oxidation SBR reactor is used for processing salt-containing wastewater, wherein a volatile suspended sludge concentration is maintained at 6-9g/L, an inlet water NH4<+>-N concentration is 180-220mg/L, and the molar ratio of NH4<+>-N to NO2<->-N is controlled at 1:1-1:1.32 through adding (NH4) 2SO4 and NaNO2; the betaine concentration in the reactor is maintained at 0.1-5mmol/L through adding betaine; with a heating band, the temperature of the reactor is controlled at 30-35 DEG C; DO is controlled at 0-0.1mg/L; inlet water pH is stabilized at 7.0-8.5 through dropping NaOH/HCl; anoxic stirring is carried out for 4-8h after water feeding; when stirring is finished, the material is allowed to stand and to precipitate; when precipitation is finished, a supernatant is discharged. With the method provided by the invention, anaerobic ammonium oxidation activity recovery time when the anaerobic ammonium oxidation system is under salinity load shock can be effectively shortened, nitrogen removal rate can be improved, and a higher total nitrogen removal rate can be realized.

The invention discloses a cold-chain transportation phase change material and a preparation method thereof. The phase change material is prepared from the following components by weight percent: 30-37% of sodium sulfate, 40-50% of water, 4-20% of ammonium chloride, 0.25-20% of potassium chloride, 1-3% of borax and 1-5% of sizing agent. The preparation method of the phase change material comprises the following steps: A, heating water in the components to 60-70 DEG C, and then adding sodium sulfate to evenly stir, so as to obtain a sodium sulfate solution; B, respectively adding the ammonium chloride, the potassium chloride and borax to the sodium sulfate solution in the step A, evenly stirring, and controlling the temperature of the solution at 60-70 DEG C; C, adding the sizing agent to the solution in the step B, evenly stirring, and filling into a plastic container to store when the temperature of the solution is controlled at 50-60 DEG C. The cold-chain transportation phase change material disclosed by the invention is used for maintaining long soaking time at 2-8 DEG C during cold chain transportation, and the quality of cold chain distribution of drugs, vaccines, blood products and medical devices is ensured.

The invention discloses a shaft-mounted brake disc module for a high-speed train. The module comprises brake discs, a support disc and a disc hub; two sets of brake discs are provided, are coaxially laminated on the disc surfaces on the two sides of the support disc, and are clamped and locked with the support disc through first connecting structures; the brake discs are composite material brake discs with smooth disc surfaces on two sides; heat dissipating structures are arranged on the disc surfaces on the two sides of the support disc, and are laminated with the brake discs to form heat dissipating channels; and a connecting flange is arranged on an inner ring of the support disc, and is fixedly sleeved with the disc hub through a second connecting structure. Compared with a traditionaloverall brake disc, the module has the characteristics of simple structure, reliable connection, high-temperature resistance, convenience to maintain, light weight and good braking effect, reduces the energy consumption in operation and braking of the high-speed train, realizes application of a composite friction material to a high-speed train braking system, and greatly saves the high-speed train company operation and maintenance costs.

The invention discloses a production technology for preparing calcium oxide and sulfur dioxide through utilizing desulfurized gypsum. The technology comprises the following steps: drying desulfurized gypsum at 230-300DEG C for 0.5-1.5h, wherein drying pretreatment is carried out at 40-50DEG C for 0.5-1h if the water content of carbon is above 5%; screening the desulfurized gypsum and the carbon for controlling the gypsum particle size below 40mum and the carbon particle size below 187.5mum; and mixing the screened carbon and the screened desulfurized gypsum according to a carbon-to-calcium sulfate mole ratio of 1:1-1.2:1 to obtain a mixed sample, putting the mixed sample in a high temperature reaction device, and reacting at 1000-1100DEG C under the protection of nitrogen or an inert gas under a gas flow velocity of 4-10m/s for 10-15min. The technology has the advantages of high reaction efficiency, fast reaction speed, less carbon consumption, high finally-obtained product quality, and no atmospheric pollution.

The invention adopts a catalyst grading technology and installs adequate chemical reaction environment to carry out incompletely saturated hydrogenation in a mild technological condition, which not only mildly hydrogenates the unsaturated compound in dissolvent, but also mildly hydrogenates the saturated compound. The affected compounds of the hydrogenated dissolvent reach even degree of unsaturation on molecular structure, which improves transferable hydrogen content of molecule, accordingly the free hydrogen(-H) released by cycle dissolvent just can meet the need of hydrogen consumption of direct liquefaction of brown coal in a mild technological condition. The invention can simplify the industrial process of lignite liquification and solvent hydrogenation, reduce the device requirement, and save investment and operating cost.

The invention belongs to the technical field of sludge treatment, and particularly relates to a dehydration treatment method for reducing the water content of sludge. The method comprises the two procedures of mixing and granulating the sludge, a dry material, straws and a composite strain BYM, and performing stacking fermentation. According to a principle for the dehydration method for reducing the water content of the sludge in a microbial fermentation way, a great amount of heat can be produced in a microbial fermentation process, and can be used for reducing the water content of the sludge with low cost. Compared with the prior art, the method has the advantages of low energy consumption, low material consumption and low cost; the water content of the fermented sludge is reduced to be lower than 30 percent, the sludge has great development potential, and can be used as an organic compound fertilizer or a building material, and the resource utilization of a product is facilitated.

The invention relates to a zanjon air lifting pushing solid circulation inversion A<2>O integrated construction oxidation ditch, which comprises an anoxic zone, an anaerobic zone, an aerobic zone provided with a millipore aerator group and an inversion A<2>O integrated construction oxidation ditch of a solid and liquid separating zone. The solid and liquid separating zone is arranged at the front end of a main ditch, the anaerobic zone is arranged at the tail end of the main ditch, and water inlets are respectively arranged at the front ends of the aerobic zone and the anaerobic zone. The integrated construction oxidation ditch is characterized in that a horizontal partition board which divides the main ditch into an upper groove layer and a lower groove layer is arranged at the middle-lower part of the main ditch, the aerobic zone and the anaerobic zone are respectively arranged at the upper groove layer and the lower groove layer, the aerobic zone is internally provided with n (n is more than or equal to 1) aeration lifting zone (s) which is (are) composed of an inlet water-retaining wall, an outlet water-retaining wall and the millipore aerator group and is (are) provided with a lower water inlet and an upper water outlet, the horizontal partition board of a first grade aeration lifting zone is provided with a plurality of lifting holes, and the aerobic zone is internally divided into n aerobic reaction zone (s) corresponding to the aeration lifting zone (s).The integrated construction oxidation ditch has the advantages that: the yielding water quality, particularly the dephosphorization and denitrification effect, is better, the occupation area is reduced, the equipment is reduced, the operation is simplified, and the operation cost is lowered.

The invention discloses an efficient polymorphous fertilizer special for vegetables, and relates to the technical field of agricultural fertilizers. The efficient polymorphous fertilizer special for the vegetables comprises the following raw materials of: 350-550 parts of urea, 40-150 parts of ammonium nitrate-phosphorus, 0-150 parts of ammonium sulfate, 150-280 parts of potassium sulfate, 100-220 parts of monoammonium phosphate and 0-10 parts of microelement fertilizer; and the raw materials are mixed, pelletized and cooled so as to obtain the polymorphous controlled-release fertilizer. The efficient polymorphous fertilizer special for the vegetables has the advantages of comprehensive and balanced nutrition, and being capable of inhibiting the occurrence of diseases and pests in soil, enhancing the disease resistance of crops, improving the fertilizer utilization rate and effectively enhancing the nutrition quality of the crops.

The invention discloses a method and system for generating a delivery order in the distribution process. The method comprises the following steps: achieving the one-to-one correspondence relationship between real objects transferred by every transport vehicle and a system order by a system; carrying the accurate delivery orders to deliver the goods by the transport vehicles; loading the transport vehicles in a manner of supporting simultaneous loading of a plurality of vehicles during the distribution; posting and printing the delivery orders in time in an SAP business system; and returning the loading information in time after the loading is complete, and printing a loading plan order. According to the technical scheme in the invention, the method can solve the problem that the goods on one order can be loaded to different vehicles at the same time, and the goods loaded on each vehicle can have the corresponding order, thereby achieving simultaneous transportation of the delivery orders and the goods.

The invention discloses a fish collecting and fish luring system and a fish collecting and fish luring method of a fish-passing type lock. The fish collecting and fish luring system comprises a drainage cross gallery positioned inside a downstream approach channel, a fish collecting and water replenishing gallery system with the inlet end in an upstream approach channel and the outlet end in the downstream approach channel, and a fish luring and water replenishing gallery system with the inlet end in the upstream approach channel and the outlet end in a lock chamber. On a lock of a navigable river built flood retarding project and a lock of a new flood retarding project, the fish collecting and fish luring system of the fish-passing type lock can be used for gathering migrating fishes on the downstream side in the lock.

The invention aims at solving defects such as low light oil yield, high foam layer, and high coke yield of prior arts, and discloses a delayed coking method. The method is characterized in that: a mixed raw material is heated in a heating furnace; the heated hot material flow enters a primary hydrocyclone, such that a gas phase (1) and a mixed liquid phase (1) are obtained; the gas phase (1) is quenched and is delivered into a fractionation column; high-temperature steam is injected into the mixed liquid phase (1), and the mixture is delivered into a secondary hydrocyclone; the secondary hydrocyclone separates the mixed liquid phase (1) into a gas phase (2) and a mixed liquid phase (2). The gas phase (2) is delivered into a fractionation column; high-temperature steam is injected into the mixed liquid phase (2), and the mixture is delivered into a coke column; coke is discharged from the bottom of the coke column, and reaction oil gas is delivered into the fractionation column.

The invention discloses a combined process for treating residual oil. Boiling bed residual oil hydrotreatment, delayed coking, wax oil hydrotreatment and catalytic cracking are organically combined in the method. The method concretely comprises the following steps of: enabling a liquid-phase product obtained after residual oil raw materials are subjected to boiling bed hydrotreatment to directly enter a coking fractional distillation column to be in countercurrent contact with oil gas generated through coking, and then, carrying out fractional distillation to obtain a wax oil fraction, and enabling the wax oil fraction to enter a wax oil hydrotreatment device, wherein the liquid-phase product is not subjected to fractional distillation; enabling the obtained liquid-phase product as a raw material to enter a catalytic cracking unit for treating; enabling circulating oil obtained through the fractional distillation of the coking fractional distillation column to return to a delayed coking unit; generating gasoline and diesel products by the coking fractional distillation column; and carrying out catalytic cracking and fractional distillation to obtain liquefied gas, gasoline and diesel products. Compared with the prior art, the combined process has the advantages that a hydrogenization fractional distillation column can be omitted, the investment cost can be reduced, the coking and catalytic cracking raw material sources are expanded, and the coked and catalyzed light oil yield is increased; and meanwhile, the reaction heat energy is sufficiently utilized, and the production energy consumption is reduced.

The invention discloses a combined technique of hydrotreating and delay coking of residual oil. In the technique, the residual oil hydrotreating adopts an ebullated bed hydrogenation process which comprises the following steps: directly feeding a liquid phase product of residual oil subjected to an ebullated bed hydrogenation process into a coker fractionating tower without fractionation, performing countercurrent contact on the liquid phase product and an oil gas generated through coking, leaching coke powder in the oil gas at a high temperature, discharging a light component generated through hydrogenation and a light component generated through coking from a device together, and circulating wax oil and the fractions above the wax oil back to a delayed coking device. Comparing with the prior art, the combined technique disclosed by the invention can be used for omitting a hydrogenation fractionating tower, reducing the investment cost, enlarging the source of coking raw materials, improving the light oil yield from coking, meanwhile, fully utilizing reaction heat, and reducing the energy consumption in production.

The invention relates to a dual cold sources airplane ground energy-conserving and environment-protective air-conditioning system, which solves the problems of high energy consumption, parking apron occupation and high operating cost in prior airplane ground air-conditioning unit. The system consists of a first air processing system and a second air processing system in compression refrigeration type; wherein, the first air processing system takes water supplied by a central air conditioner as heat transferring medium; the second air processing system in compression refrigeration type takes refrigerant as heat transferring medium. In the first processing system, a water-through heat exchanger (7) is injected with water from the central air conditioner of airport lounges by a pump (8) to carry out heat exchange with air from airport lounges or gallery bridge channel; the cooled air is transmitted into an engine room parked in the airport driven by a centrifugal fan (6) through a evaporator, an air outlet hood (1) and a underground passage; water after heat exchange by the water-through heat exchanger (7) is directly or through a double pipes heat exchanger to discharge into a water-storing system of the central air conditioner in airport lounges. The first processing system and the second processing system are located in the airport lounges. An underground passage system comprises an air supply duct with an insulating layer (22) buried under landing field outdoor, one end of the air supply duct is connected with the air supply tube (1), and the other end thereof is connected with a tube (23).

This invention relates to a biogas production wastewater treatment device and a cycle anaerobic reactor used in the device, which is used for environmental engineering. The device invented consists of a new self-cycle anaerobic reactor and a computer control system. The core self-cycle anaerobic reactor comprises two overlapping anaerobic reaction zones in series, wherein the upper parts of the two reaction zone are established gas-solid-liquid three phase separators respectively. The lower reaction zone is at an extreme high load, while the upper reaction zone is at low load. The three-phase separator sludge can be separated and returned to the main separator by the separator and biogas is collected. Internal reactor is capable of forming self-circle liquid, and can strengthen mass transfer process of organism and granular sludge and improve handling capability. The floor place of the three phase separator is small, high concentration of organic wastewater can be treated and biogas as biological energy can be produced. The device can achieve the scale biogas technology and automated production, and is an ideal scale wastewater treatment and gas production equipment.

The invention discloses a warehouse management method and a warehouse management device, and relates to the technical field of computers. One specific embodiment of the method comprises the steps thata storage area of to-be-warehoused articles/to-be-delivered articles in a warehouse is determined, the storage area comprises a zero-sorting storage area and a storage area, and the zero-sorting storage area and the storage area are configured with the same comprehensive workstation; and if the storage areas of the to-be-warehoused articles/the to-be-warehoused articles are the zero-sorting storage area and the storage area, the to-be-warehoused articles are put on the zero-sorting shelves of the zero-sorting storage area and the storage shelves of the storage area or the to-be-warehoused articles are put off the zero-sorting shelves of the zero-sorting storage area and the storage shelves of the storage area. According to the embodiment, the article storage capacity of the warehouse canbe improved, and the article warehousing and racking efficiency and the warehouse-out sorting efficiency of the warehouse are improved.

The invention discloses a lightweight hydrocarbon hydrogenising method, which adopts a countercurrent hydrogenising reactor and conventional co-current hydrogenising reactor combined technology. The raw material enters into a flash evaporation area of the countercurrent hydrogenising reactor at a lower temperature, gas-phase hydrocarbon flows upwards and performs a reaction of diene and mercaptan generating sulfide and a diene hydrogenising reaction at the upper part of the countercurrent hydrogenising reactor, high boiling sulfide generated by the upper part reaction and liquid-phase hydrocarbon after the raw material flash evaporation flow downwards together, and an alkylation reaction of thiophene sulfur and olefin is performed at the lower part of the countercurrent hydrogenising reactor. Liquid phase discharged at the bottom of the countercurrent hydrogenising reactor and new hydrogen are mixed and enter into the co-current hydrogenising reactor to perform the reactions, such as deep hydrodesulfurization, selective cracking or isomerization and the like after being heated. Effluent of the co-current reaction is performed for the gas-liquid countercurrent hydroprocessing of the moderate condition. The method has the advantages that the technological process is simple, the desulphurization effect is good, the octane value loss is low, the product yield is high, and the required equipment is few. The method is mainly used for the secondary processing the poor-quality gasoline, namely, the upgrading process of catalytic cracking gasoline, coking gasoline or thermal cracking gasoline.

The invention discloses a full-temperature-process pressure swing adsorption purification method for benzene removal and naphthalene removal of coke oven gas and relates to the technical field of hydrogen manufacturing and pressure swing adsorption gas separation.The method includes the procedures of ammonia washing, desulfuration, deamination, fine benzene removal and fine naphthalene removal.A medium-temperature pressure swing adsorption concentration procedure needs to be conducted after ammonia washing and before desulfuration, the multi-tower series or parallel process is adopted for the medium-temperature pressure swing adsorption concentration procedure, alternate cyclic operation is conducted, the operation temperature ranges from 60 DEG C to 120 DEG C, vacuumizing desorption is conducted, generated desorbed gas sequentially gets into a naphthalene washing procedure and a benzene washing procedure and then flows back to the medium-temperature pressure swing adsorption concentration procedure, generated medium gas sequentially gets into the procedures of desulfuration, deamination, fine benzene removal and fine naphthalene removal, and then product gas is obtained.Efficiency is high, an adsorbent of a medium-temperature pressure swing adsorption tower is long in service life, the operating energy consumption and cost of a device are low, the phenomenon that the adsorption tower is easily blocked by benzene and naphthalene is avoided, the naphthalene and benzene removal precision is high, the yield of the product and byproducts is high, and poisoning of a desulfuration and deamination catalyst is avoided.

The optical repeater unit (ORU) comprises: a frame transmitter, a frame receiver, a controller and a frame generator. The frame generator is used for sending the error-code testing frame to the frame transmitter according to the instruction of the controller; the frame transmitter is used for relaying the test frame; the frame receiver is used to checking the frame and reporting the error-indication to the controller; the controller is used for reporting the checking result and the error-indication. By invention adds a frame generator into the ORU to generate the error-code testing frame which is used to make error-code testing.

The invention relates to an apparatus for processing fecal sewage into reclaimed water at source, belonging to the technical field of environment protection. A collecting and flocculating device connected with a building sewer, a solid-liquid separating device, a sludge sterilizing device, a sewage filtering device, a reclaimed water recycling device and an organic fertilizer fermenting device are included in the technical scheme. The fecal sewage is directly processed by using the apparatus before entering a pipe network. The apparatus is characterized by carrying out solid-liquid separation on the fecal sewage at source, instantly processing the viscous sludge into a loose organic fertilizer and instantly processing the turbid sewage into the reclaimed water which does not contain pathogenic microorganisms. The conventional behindhand mode for the centralized processing of the sewage at a terminal is changed, the construction cost and the running cost are saved, and the environment protection is favorable. The fecal organic fertilizer is recovered and returned to fields to create economic value, the claimed water is recycled to save water resources, and the sewage treatment can be carried out benignly on a profit making rail. The national processing requirements of decrement, harmlessness and resource on pollutants are met. The invention is suitable for processing the fecal sewage of town buildings at source.

The invention discloses a control system for power supply guaranteeing and power-fare optimization of a communication base station and a method. The control system comprises a new-energy power supplyunit, a rectifier module, an energy storage unit, a base station load, a direct-current load, a bidirectional watt hour meter, an air conditioner, an intelligent power distribution unit, a central control unit and a direct-current bus; the energy storage effect of the energy storage unit is used in cooperation with electrovalence sections of different time periods, power energy generated by the new-energy power supply unit is subjected to time shifting, the air conditioner serves as a shifting load and is controlled, power is supplied only through city power in the electrovalence low-ebb timeperiod, the generated power energy is fed back to a power network when being over than the load requirement, and the power fare and the operating cost of the communication base station are saved. According to the control system for power supply guaranteeing and power-fare optimization of the communication base station and the method, from the points of saving energy, improving efficiency and reducing the enterprise operation cost of the mobile communication base station with the innovative technology, according to the specific condition of the comprehensive cost actually occurring in the operation maintenance process of the base station, and through roof resources of an existing iron-tower base station, a power supply project combined with the communication base station and new energy anda control method are provided so that the operating maintenance cost of the communication base station can be reduced, the comprehensive income can be improved, and low-cost and stable operating of the communication base station can be better guaranteed.

The invention provides a dynamic weighing and code-scanning apparatus. The apparatus comprises a bottom cabinet, an upper support fixed to the bottom cabinet, a control host arranged in the bottom cabinet, a weighing device arranged on a table top of the bottom cabinet, a code-scanning device fixed at the top of the upper support, a conveying device arranged on the weighing device, and a display and alarms fixed to the upper support. According to the apparatus, weighing and automatic code scanning are integrated, the package weight and the correctness of barcode information can be automatically determined, corresponding alarm prompting and dynamic processing are performed according to the package weight and the correctness of the barcode information, the operation is simple, the efficiency is high, the size is small, the apparatus can be added to conventional logistics equipment as an independent unit, the apparatus can be used without changing the conventional logistics equipment, and universal promotion in the logistics industry is facilitated.

The invention discloses a flaw-detecting, edge-milling and pre-bending unit for a straight slit steel pipe, belonging to the field of a steel pipe production device. The flaw-detecting, edge-milling and pre-bending unit comprises two driven roller ways that are arranged in parallel, a hydraulic system and an electric automatic control system, wherein a flaw-detecting device, a milling device and a pre-bending device are sequentially arranged on the two driven roller ways from a feed end to a discharge end; four groups of centering devices are sequentially arranged on a roller way of the input end of the flaw-detecting device, a roller way of the input end of the milling device and roller ways of the input end and output end of the pre-bending device; a large trolley guideway and a small trolley guideway are sequentially arranged between the two driven roller ways from the feed end to the discharge end; a large trolley device is arranged on the large trolley guideway; a small trolley device is arranged on the small trolley guideway; the large trolley device is provided with three gripping clamps; and the small trolley device is provided with a gripping clamp. In the unit, a steel plate is dragged to move along the driven roller ways by the large trolley and the small trolley, therefore, the production cost is reduced, and the energy consumption is reduced; and the flaw-detecting, edge-milling and pre-bending unit can be directly used for the flaw-detecting, milling and pre-bending process of the straight slit steel pipes.