42results about How to "Reduce transportation pressure" patented technology

The invention relates to an anode flow field plate of a methanol fuel cell. A flow channel of the anode flow field plate comprises a first level flow channel, second level flow channels and third level flow channels, and the ratio of the diameters of each second level flow channel to the first level flow channel and the ratio of the diameters of each third level flow channel to each second level flow channel are 0.7-0.8; the first level flow channel comprises an outer flow channel and a middle flow channel, the middle flow channel is arranged along the central line of the outer flow channel, a feed opening is connected with the front end of the middle flow channel, and a discharge opening is connected with the tail end of the outer flow channel; the plurality of second level flow channels are symmetrically arranged on both sides of the middle flow channel and are connected with the outer flow channel and the middle flow channel; one end of the third level flow channel close to the discharge opening is connected with the second level flow channels, the other end of the third level flow channel is connected with the outer flow channel, and the rest third level flow channels are connected with adjacent second level flow channels on the same side. The third level flow channels are of leave fractal structures, thereby abiding by the existence law of vein structures in the nature, helping to make full use of the space of the flow field plate and facilitating to improve the fuel utilization rate, the elasticity is high, the structural strength is high and the occupied volume is small.

The invention discloses a culture medium for producing fermentation by fermentation, which comprises a seed culture medium and a fermentation medium. In the process of fermentation culture, when total sugar reduces to 2.0-3.0%, a feed supplement culture medium is added; and corn is used as a main carbon source to prepare the fermentation culture medium. Preferentially, the seed culture medium and the feed supplement culture medium are also prepared by using the corn as the main carbon source. Since the price of corn flour is much lower than that of rice flour, the production cost is greatly reduced; in addition, the corn flour has sufficient supply and stable quality, thereby ensuring the stability of fermentation production.

The invention provides a connecting structure of a preserved wall face of an assembled building window and the window of the wall face. The connecting structure comprises a wall, four telescopic mechanisms, long rods, short rods and limiting blocks. Every two telescopic mechanisms are oppositely placed, and the two long rods are movably installed in the wall separately and fixedly connected with two telescopic mechanisms which are oppositely placed respectively; the two limiting blocks are fixedly installed at the two sides of the long rods respectively, the two short rods are movably installed in the wall separately and fixedly connected with the other two telescopic mechanisms which are oppositely placed respectively, and penetrate through the two long rods respectively. Through the telescopic mechanisms, the distance between the long rods and the short rods is adjusted, and then windows of different sizes can be installed; moreover, the telescopic mechanisms can drive the long rodsand the short rods to deviate in a certain direction, then windows can be installed at all portions of the wall face, there is no need to specify a fixed installing area before installation, and the installation flexibility is improved.

The invention discloses a fabricated light-weight energy consumption wall component of a shear wall. The wall component comprises a reinforced concrete wallboard. Holes are arranged in the reinforced concrete wallboard, energy consumption parts are fixed in the holes and comprise hole pre-burying boards, connecting plates and yielding energy consumption steel plates, the hole pre-burying boards are pre-buried in the reinforced concrete wallboard, the connecting plates are vertically and medially connected to inner sides of the hole pre-burying boards, and the top and bottom of each yielding energy consumption steel plate are connected with the corresponding connecting plate. According to the wall component, the holes are arranged, so the weight of the component is lightened, earthquake force borne by the wall is reduced, the component can be conveniently transported, transportation cost is reduced, meanwhile hoisting pressure in the construction process is relieved, construction safety is guaranteed, and construction efficiency is improved; the steel plate shear wall type energy consumption parts are arranged in the holes, shear deformation of hole positions occurs under the action of shear force, energy consumption of the steel plates is achieved through buckling, damage to the concrete wallboard can be reduced, and safety of the shear wall under the earthquake action is effectively guaranteed.

The invention relates to the field of ecological restoration and discloses a water circulation system for side slope green restoration and a construction method. The problem of low rainwater utilization rate is solved. The system comprises a retaining wall arranged at the bottom of a side slope, multiple water storage boxes fixed to the retaining wall and arranged between the retaining wall and the side slope, a water conveying pipe communicated with the bottoms of the water storage boxes and a water pump which guides water from the water storage boxes into the water conveying pipe. Every twostorage water boxes are communicated through a connection pipe, the water storage boxes are provided with upward water inlets, the water inlets are provided with filter assemblies for filtering soil contained in rainwater, and the water conveying pipe is fixed to the surface of the side slope and provided with spraying holes; the water circulation system has the advantage of increasing the rainwater utilization rate.

The invention provides a hydroelectric generator set without a water turbine. The hydroelectric generator set without the water turbine is that a lever impeller is pushed to run through the weight of water in a river and large impact force of the water stream according to the kinetic energy theory design of physics; a lever transmits water kinetic energy to a main shaft to be converted into mechanical energy to drive a generator to run so as to convert into electricity energy; the hydroelectric generator set without the water turbine is a novel natural reclaimed water resource technology and is an innovative industrial engineering for breaking resource exhaustion of the earth in the future. The hydroelectric generator set without the water turbine is nationally initiative and world-leading. According to the hydroelectric generator set without the water turbine, a river dike being 4 to 6m in height is built at the place with wide river surface; water can be stopped by the river dike and centrally flows out to push a small lever impeller to run to drive a first generator to generate power in the dry season; when in wet season or flood period, a gate is opened, the lever impeller is pushed to run to drive the second or the first and second sets to generate power synchronously; a plurality of cascade hydropower stations are continuously constructed at the part in which the stations at the upstream and downstream in kilometers do not have the mutual influence, and therefore, 80% of the water utilization rate can be increased by being compared with the power generation of water turbine, and as a result, the economic benefits of the stations can be increased; the energy-saving, environmentally-friendly and 'three-no' emission industry is achieved; effective measures are provided for effectively handling climate change.

The invention aims at providing a method for constructing or reconstructing an assembled platform and a special prefabricated module group. According to the method for constructing or reconstructing the assembled platform, the efficiency of the platform constructing or reconstructing project can be comprehensively enhanced, the platform constructing or reconstructing project quality can be comprehensively improved, the construction is simple and flexible, manpower and material resources are saved, the influences on running and transportation are small, the method is safe and time-saving, and the potential safety hazard in the later period is reduced. The method for constructing or reconstructing the assembled platform comprises the specific construction steps of 1, preparing a prefabricated module group with a reinforced concrete structure; 2, mounting the prefabricated module group to a designated position by using a hoisting appliance; treating a foundation of a new platform and filling anti-freezing sand first, and then mounting prefabricated modules after pouring a concrete strip-shaped foundation; 3, binding reinforcing meshes on the prefabricated modules and pouring a concrete cushion; 4, comprehensively laying pipelines; and 5, after the concrete cushion reaches the strength, continuing to lay a slope making layer, a leveling layer and a sand cushion; and laying a platform cap-beam, a safety line, blind bricks and pavement bricks to finish the construction.

The invention belongs to the technical field of medical apparatuses, and in particular a temporary mandible external fixed support applied in wartime or field environment and a using method of the external fixed support. The external fixed support comprises a semicircular connecting rod, a binder clip and a T-shaped tool, wherein the back end of the connecting rod is inclined upwards; a fixed plate is arranged on the inner side face of the back end of the connecting rod; a grooved blind hole is each arranged in the upper and lower ends of the outer end face of the fixed plate; at the bottoms of the grooved blind holes, a grooved through hole is formed in the fixed plate; between the the two grooved blind holes, a clamping platform is arranged on the outer side face of the fixed plate; a second notch is arranged in the part, in correspondence to a first notch, of the lower end face of an outer nail; the lower end of a vertical rod is matched with a first rectangular blind hole; and a third rectangular blind hole, which is matched with a rectangular boss, is arranged in the lower end face of the vertical rod. The external fixed support has a purpose that problems of existing mandibleexternal fixed supports which, due to structure defects, are inconvenient in air duct management, not beneficial for carrying since a fixed bone nail can be screwed into a bone substance under the assistance of an electric drill or a hand drill and are troublesome to operate of suturing tongues of wounded persons via steel wire ropes or surgical sutures can be solved.

The buffer has a hollow-cylinder-like brush holder whose sides are provided with several circular buffer wheels. The front end of the hollow-cylinder-like brush holder is positioned with a supply channel, and longitudinal end is provided with a discharge channel arranged in a removal point, such that the buffer wheels and discharge channel are arranged relatively to each other. The discharge channel has a suction nozzle which generates air stream for transporting brush of brush holder.

The invention discloses an assembly cabinet of a stereo parking garage and an application thereof. The assembly cabinet comprises a pair of bottom layer unit cabinets for constructing the stereo parking garage, a pair of top layer unit cabinets and multiple parts of middle unit cabinets. The bottom layer unit cabinets, the top layer unit cabinets and the middle unit cabinets are cuboid-shaped standard container cabinets in appearance, and can be directly loaded in a container transporter for transportation, and directly transported to the site of the stereo parking garage to be constructed, and the transportation is convenient. In addition, the construction of the stereo parking garage is convenient and rapid.

The invention discloses a comprehensive treatment system for coal and gangue underground in coal mines, which solves the problems of separation of coal and gangue and utilization of gangue. The connecting lane of the top chamber, the air inlet hole and the track alley, the comprehensive gangue body warehouse includes the gangue bin, the gangue bin and the filling gangue bin. Underneath, the gangue bin roof chamber connects the gangue bin and the gangue bin entrance, and the outlets of the gangue bin and gangue bin are set on the top of the gangue bin connection lane, which connects the two track lanes and fills the gangue bin The entrance is set in the gangue storage lane, the outlet is set in the filling lane, and the air inlet connects the filling lane and the gangue bin lane. The underground coal and gangue comprehensive processing system of coal mine also has the advantages of strong gangue storage and transportation capacity, alleviating the transportation conflict between coal and gangue, improving coal quality, and collecting and utilizing gangue.

The invention discloses a disaster emergency power supply system. Power generation equipment units are arranged in the system in a mode of containers, one or more sets of power generation equipment is arranged in each container, and therefore the equipment can be placed on a truck for transportation and can also be transported through a trailer, what is the most important, the equipment can be transported to a place where no road exists or roads are damaged through hoisting of a transporting helicopter, and particularly, under the condition that natural disasters happen, contact with the outside world is lost and power supplying is cut off, part of power supplying can be restored fast, and electric energy can be provided for disaster areas so that all work can be performed better. The practical value of the system is played to the largest extent with the same resources, and the system is worthy of being promoted and applied.

The invention discloses a four-joint wagon. The four-joint wagon comprises a first wagon, a second wagon, a third wagon and a fourth wagon which are sequentially connected in series. Each of the firstwagon, the second wagon, the third wagon and the fourth wagon is supported by disc cores of two two-axis bogies, wherein lower core discs of the two two-axis bogies are matched with upper core discsof the wagons. Bodies of the first wagon, the second wagon, the third wagon and the fourth wagon only can rotate and cannot move transversely and longitudinally. The second wagon and the fourth wagonare main wagons, the first wagon and the third wagon are auxiliary wagons, and the two-axis bogies, close to the main wagon ends, of the auxiliary wagons can move transversely relative to the wagon bodies. The first wagon, the second wagon, the third wagon and the fourth wagon are hinged through hinges. The invention further relates to a connecting method of the four-joint wagon, the problems thatthe bogies are placed between the wagons in a joint wagon in the prior art, the finished wagon axle number is reduced, the baggage is increased, the wagon load is also limited, and the current transport capacity requirement is hard to met are solved.

The invention relates to municipal sludge emission reduction treatment and recycling integrated treatment equipment and method. The municipal sludge emission reduction treatment and recycling integrated treatment equipment comprises a treatment box with one side provided with a discharge hole, a feeding hopper arranged at the top of the treatment box, a filter plate fixedly mounted on the inner wall of the treatment box, a sealing door installed on one side of the treatment box in a hinged mode, matched with the discharge hole and used for achieving sealing of the discharge hole, and a mounting seat fixedly mounted on one side of the treatment box. The municipal sludge emission reduction disposal and recycling integrated treatment equipment and method have the advantages that plastic and other garbage and water in river sludge are pretreated, the transportation pressure is reduced, the transportation efficiency is improved, the sludge treatment pressure of a sludge treatment center is reduced, and the treatment efficiency is improved.

The invention discloses a construction method used for a superhigh building fire elevator shaft wall and a reinforced concrete wall and belongs to the field of building construction. The constructionmethod used for the superhigh building fire elevator shaft wall comprises the following operating steps that a masonry wall is changed into the reinforced concrete wall according to original design drawings; reinforcing bar and concrete numbers are designed and confirmed; and wall steel bar binding and concrete construction are synchronized with superhigh building fire elevator shaft core tube structure construction, so that a superhigh building fire elevator overall shaft and a core tube structure are formed at a time. Therefore, the procedure of secondary structure construction at a later stage is omitted, resources such as manpower are saved, the construction period is shortened, and the construction elevator dismounting time and the curtain wall filling construction time are moved forwards.

The invention provides a conveying system of an injection molding belt line. The conveying system of the injection molding belt line comprises a conveying belt line and at least one turnover mechanism; the conveying belt line is arranged at an outlet of an injection molding machine, the conveying belt line comprises multiple sections of sub-conveying belt lines, and at least one section of the multiple sections of sub-conveying belt lines is of a multi-layer conveying structure; and the turnover mechanisms are arranged between every two adjacent sub-conveying belt lines, and the sub-conveying belt line located on the upstream is selectively in butt joint with different layers of the sub-conveying belt line located on the downstream through the turnover mechanisms, so that switching of the turnover mechanisms in the multi-layer conveying structure is achieved. The problem that in the prior art, product conveying is low in efficiency is solved.

The invention discloses modular acid mine wastewater treatment equipment, and belongs to the technical field of wastewater treatment. The modular acid mine wastewater treatment equipment comprises a flocculation sedimentation tank, an adjusting tank, a clean water tank and a control chamber communicated with each treatment tank; the flocculation sedimentation tank is communicated with a water inlet, the adjusting tank is connected behind the flocculation sedimentation tank, the clean water tank is connected behind the adjusting tank, a first adjusting module is arranged in the adjusting tank, the first adjusting module comprises a mounting frame, a first storage piece is arranged in the mounting frame, the first storage piece is filled with a first mixture, the first mixture is a mixture of sludge carbon, organic fertilizer and palygorskite, and a second adjusting module is arranged below the first adjusting module; the second adjusting module comprises a second storage piece, the second storage piece is filled with a second mixture, and the second mixture is a mixture of limestone, zero-valent iron and a biological agent; a third water lifting pump is arranged in the clean water tank, and a water outlet pipe of the third water lifting pump is communicated with the flocculation sedimentation tank.