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35results about How to "Reduce structure cost" patented technology

E-shaped fastener constrained type assembled buckling-restrained energy-consumed brace

InactiveCN101718123AImprove performanceGood lateral force resistanceShock proofingEngineeringHigh rise
The invention discloses an E-shaped fastener constrained type assembled buckling-restrained energy-consumed brace, belonging to the technical field of structural engineering. The E-shaped fastener constrained type assembled buckling-restrained energy-consumed brace is characterized in that the brace comprises two E-shaped fasteners and a hot rolled H-shaped steel; the two E-shaped fasteners are connected together through bolts and form a periphery constrained component; enclosed rectangle tubes of the two E-shaped fasteners are internally injected with concretes; and appropriate gaps are left between the two E-shaped fasteners and the hot rolled H-shaped steel. The invention can provide lateral resistant effect to multiple-story and high-rise buildings and reach total cross-section buckling under the action of strong earthquake, thereby effectively consuming energy. By taking the hot rolled H-shaped steel as an inner core stressed component, cross sections have wide specification selection range, buckling loads with larger tonnage can be realized, and better ductility is achieved in comparison with the welding of I shaped steel. In addition, the invention has the advantages of easy material selecting, simple processing, convenient construction, low construction cost and convenience for industrial scale production.
Owner:TSINGHUA UNIV

Steel structure type point glass curtain wall construction method

The invention discloses a steel structure type point glass curtain wall construction method comprising the steps of: aligning and processing an embedded piece, mounting a steel support, mounting a connection system, mounting a glass panel, inspecting and accepting and the like. The steel structure type point glass curtain wall construction method disclosed by the invention has the advantages of convenient and rapid in construction, short in work period and light in self-gravity of a wall body, so that the construction cost of a main body structure and a foundation is reduced. A curtain wall component is convenient to maintain and is replaceable, and a building is bright and lively so as to bring a brand new concept to people; and a relatively good building artistic effect can be generated.
Owner:JIANGSU TONGZHOU FOURTH CONSTR GROUP

Nondestructive demounting method for prefabricated part of IMS system Dai nationality folk house major structure

The invention discloses a method for demounting a prefabricated part without damage in an IMS system Dai nationality dwelling major structure, which selects and marks key points on the IMS system Dai nationality dwelling major structure, and carries out controllable slow release to the prestress of a steel stranded wire in each key point, without impact and damage on the prefabricated part in the prestress release process. After a prefabricated beam and a prefabricated slab of a floor are demounted and hanged back to the ground, open-channel post-cast concrete and the steel stranded wire contained in the concrete are separated out from the prefabricated beam and the prefabricated slab for leading the prefabricated beam and the prefabricated slab to be restored. The method can realize the undamaged recovery and reuse of the prefabricated beam, the prefabricated slab and a prefabricated column when demounting the IMS system Dai nationality dwelling, and is economical and environmentally friendly, thus being suitable to demounting not only the IMS system Dai nationality dwelling but also other IMS system buildings, and having reference function for demounting non-IMS system prestress structures.
Owner:KUNMING UNIV OF SCI & TECH

E-shaped fastener constrained type assembled buckling-restrained energy-consumed brace

InactiveCN101718123BImprove performanceGood lateral force resistanceShock proofingEngineeringHigh rise
The invention discloses an E-shaped fastener constrained type assembled buckling-restrained energy-consumed brace, belonging to the technical field of structural engineering. The E-shaped fastener constrained type assembled buckling-restrained energy-consumed brace is characterized in that the brace comprises two E-shaped fasteners and a hot rolled H-shaped steel; the two E-shaped fasteners are connected together through bolts and form a periphery constrained component; enclosed rectangle tubes of the two E-shaped fasteners are internally injected with concretes; and appropriate gaps are leftbetween the two E-shaped fasteners and the hot rolled H-shaped steel. The invention can provide lateral resistant effect to multiple-story and high-rise buildings and reach total cross-section buckling under the action of strong earthquake, thereby effectively consuming energy. By taking the hot rolled H-shaped steel as an inner core stressed component, cross sections have wide specification selection range, buckling loads with larger tonnage can be realized, and better ductility is achieved in comparison with the welding of I shaped steel. In addition, the invention has the advantages of easy material selecting, simple processing, convenient construction, low construction cost and convenience for industrial scale production.
Owner:TSINGHUA UNIV

Double-rectangular pipe restraint H-shaped section assembling type bending prevention energy consuming support with ribs

InactiveCN101718125AImprove performanceGood lateral force resistanceShock proofingArchitectural engineeringHigh rise
The invention relates to a double-rectangular pipe restraint H-shaped section assembling type bending prevention energy consuming support with ribs, which belongs to the technical field of structural engineering. The double-rectangular pipe restraint H-shaped section assembling type bending prevention energy consuming support with ribs is characterized by comprising two cold-bending thin-wall type steel rectangular pipes with ribs and hot-rolling H-shaped steel, wherein the two cold-bending thin-wall type steel rectangular pipes are pressed on a web plate of the hot-rolling H-shaped steel by a long screw rod connecting element to form an peripheral restraint component and form a restraint mechanism on the H-shaped steel of a kernel; the position of the hot-rolling H-shaped steel, which is penetrated by the long screw rod connecting element, is provided with a circular hole, and the non-midspan positions of the two cold-bending thin-wall type steel rectangular pipes, which are penetrated by the long screw rod connecting element, are provided with elliptical holes, and the midspan positions are provided with circular holes; and two groove-shaped stiffening ribs are symmetrically distributed on both opened sides of the two cold-bending thin wall type steel rectangular pipes . The invention can provide side force resistance for a multi-high-rise building structure and achieve the aim of total section yielding under the action of great vibration, thereby effectively consuming energy. The rectangular pipes with any section size are matched with the hot-rolling H-shaped steel by the groove-shaped stiffening ribs, and the material acquiring ranges of the rectangular pipes and the hot-rolling H-shaped steel are enlarged.
Owner:TSINGHUA UNIV

Self-reset swinging inner barrel shock absorption water tank

The invention provides a self-reset swinging inner barrel shock absorption water tank which comprises a base mounted on a lower support structure, outer barrel walls mounted on the base and inner barrel walls mounted in the outer barrel walls, wherein storage water is mounted between the inner barrel walls and the outer barrel walls; six self-reset swinging bearings are uniformly arranged on the base along each inner barrel wall; each self-reset swinging bearing comprises a lower lug plate mounted on the base via a base embedded part, an upper lug plate connected with the lower lug plate via a bolt and four prestress rods symmetrically arranged between the lower lug plate and the upper lug plate; inner barrel wall embedded parts with the same quantity as that of the self-reset swinging bearings are uniformly arranged at the lower ends of the inner barrel walls; the inner barrel walls are fixedly connected with the corresponding upper lug plates via the inner barrel wall embedded parts; and dampers are further arranged at the upper ends between the inner barrel walls and the outer barrel walls. The water tank has the advantages of stable anti-seismic property, good shock absorption effect, reduced structure cost, factory module production and the like.
Owner:HARBIN ENG UNIV

Recyclable oily sewage treatment device

The invention provides a recyclable oily sewage treatment device and relates to the field of sewage treatment. The recyclable oily sewage treatment device comprises a housing, an inlet and outlet pipe, a separating device and a circulation circuit. The housing comprises a cylindrical outer cylinder, an upper head and a lower head. The inlet and outlet pipe comprises an oil-containing sewage inletpipe, a first-stage overflow pipes, a second-stage overflow pipe and an outlet pipe. The separating device includes a cylindrical inner cylinder and a spirally-upward-inclined swirling flow guide plate disposed between the cylindrical outer cylinder and the cylinder inner cylinder, wherein the cylindrical inner cylinder is coaxial with the cylindrical outer cylinder, and the swirling flow guide plate is fixed on the upper part of the inner wall of the cylindrical outer cylinder. The circulation circuit is provided with a circulation pump for circulating part of treated sewage into the cylindrical outer cylinder. Organic combination of two oil-water separation unit technologies of swirling flow and air-floatation can be successfully realized by means of circulating injecting of part of theoily sewage into the treatment device, tiny oil droplets can be separated, the working efficiency is greatly improved, and the structure of the device is compact and simple.
Owner:刘曼华

Material-returning flow manufacturing process for heavy potassium pyrophosphate

The invention discloses a material-returning flow manufacturing process for heavy potassium pyrophosphate. The material-returning flow manufacturing process comprises the following steps: step 1, erection of a material-returning flow-line device; step 2, drying treatment in the material-returning flow-line device; step 3, inputting of potassium pyrophosphate; step 4, dust suction and removal; step5, screening treatment; step 6, sorting, conveying and bagging; and step 7, boxing and storage. In the step 1, the material-returning flow-line device is erected at one side of a potassium pyrophosphate production flow line; and in the step 2, before the material-returning flow-line device is used in a material-returning flow, an induced draft fan is energized to work, so a conveyor belt is always in a dry environment. According to the invention, through technical modification, an overall transportation equipment structure is low in cost, so the cost of investment is reduced; through a screening plate, screening of the potassium pyrophosphate with different sizes can be realized, so a product has more regular appearance granularity, facilitates classification for sealed storage and collection, and is convenient for transportation in a later period; and the interior of the flow-line device is dried.
Owner:SHIFANG JINDIYAMEI CHEM ENG

Integrated shell sound absorption unit for rail transit sound barrier

The invention relates to an integrated shell sound absorption unit for a rail transit sound barrier. The unit comprises an integrated cylindrical shell, a sound absorption material and an end cover, the sound absorption material is arranged in an internal cavity formed by the integrated cylindrical shell, and the end cover is arranged on an end surface of the integrated cylindrical shell; and theintegrated cylindrical shell and / or the end cover are / is made of a fiber reinforced composite material. The unit is good in sound absorption and insulation performance, high in strength, simple in structure and the like by designing the structure. Because the selected fiber reinforced composite material can be pressed by a mold, the produced sound absorption unit is attractive in appearance, convenient to manufacture, high in production efficiency, suitable for batch production and particularly light, the sound absorption unit has a characteristic of light dead weight, a bearing load of an elevated light rail and an elevated road can be reduced, and structural cost can be decreased; and the fiber reinforced composite material has strong wind load resistance and is not easy to corrode.
Owner:CHINA RAILWAY ELECTRICAL IND CO LTD +3

Joint structure of multi-coupled steel component

The invention discloses a joint structure of a multi-coupled steel component. The joint structure of the multi-coupled steel component comprises a main component and a plurality of connecting components, the main component is of a hollow tubular structure, the main component is provided with a connection joint area, a plurality of first inner strengthening ring plates are arranged in the position,corresponding to the connection joint area, in the main component, and all the first inner strengthening ring plates are arranged in the height direction of the main component at intervals in an arrayed mode; and the multiple connecting components are fixedly connected with the main component, and the ends, fixedly connected with the main component, of the multiple connecting components are located in the connecting joint area. The joint structure of the multi-coupled steel component can effectively optimize local force of the main component, an existing method by adopting cast steel joints or increasing the wall thickness of the main component is replaced, the wall thickness of the main component is effectively controlled, the machining period is shortened, and the weight of the multi-coupled steel component is reduced. Therefore, the whole structure cost of the joint structure of the multiple-limb steel component is lower than that of the method by adopting cast steel joint design and increasing the wall thickness of the main component.
Owner:深圳华森建筑与工程设计顾问有限公司

Prestressed hollow slab with variable rib widths

The invention relates to a reinforced concrete hollow floor system structure, particularly relates to a prestressed hollow slab with variable rib widths and a method for constructing the prestressed hollow slab, and belongs to the field of common building structures. The prestressed hollow slab comprises upper-layer slab reinforcing steel bars (1), lower-layer slab reinforcing steel bars (2), rib beams (3), prestressed bars (4), filling materials (5) and concrete (6). The filling materials (5) are positioned between the upper-layer slab reinforcing steel bars (1) and the lower-layer slab reinforcing steel bars (2) and are permanently buried in the concrete, the prestressed hollow slab is divided into a rib beam standard region (9) and two rib beam narrowing regions (10) by region boundaries (8), the total width of the rib beam standard region is larger than or equal to 1 / 3 of the span of the prestressed hollow slab in long-span directions, the widths of the rib beams in the rib beam narrowing regions are smaller than or equal to those of the rib beams in the rib beam standard region, and the quantities of the prestressed bars in the rib beams in the rib beam narrowing regions are smaller than the quantity of the rib beams in the rib beam standard region. The prestressed hollow slab and the method have the advantages that the prestressed hollow slab is wide in span, good in structural reliability and earthquake resistance and excellent in economical efficiency and applicability and is light.
Owner:徐焱

Full-automatic storage battery welding device

The invention discloses a full-automatic storage battery welding device, and belongs to the field of storage battery production. The full-automatic storage battery welding device comprises a welding machine main body, wherein a welding platform is fixedly connected to the bottom of the welding machine main body; transmission devices are fixedly arranged on the front and back of the top of the welding platform; the opposite sides of the two transmission devices are fixedly connected to rubber fixture blocks; a first conveyor belt and a second conveyor belt are respectively arranged at the leftside and right side of the welding platform; support pillars are integrally formed on the front and back of the top of the welding platform; the two support pillars are respectively located at the left sides of the two transmission devices; the tops of the two support pillars are hinged with guide plates; and two locating slots are formed in the top of the welding platform. The full-automatic welding device has low structure construction cost, is economical and practical, is simple and convenient to use, can effectively achieve the purpose of full-automatic processing, improves the welding efficiency of the storage battery, and reduces the production cost.
Owner:SICHUAN SIMEI TECH

External enclosure weight-reduction pre-fabricated wall connecting joint and construction method thereof

PendingCN110397190AImprove the problem of complex construction of old nodesLose weightConstruction materialWallsBuilding construction
The invention provides an external enclosure weight-reduction pre-fabricated wall connecting joint and a construction method thereof. The external enclosure weight-reduction pre-fabricated wall connecting joint comprises a first pre-fabricated double-sided composite wall and a second pre-fabricated double-sided composite wall; the first pre-fabricated double-sided composite wall and the second pre-fabricated double-sided composite wall are spliced in the vertical direction and are connected and fixed through a cast-in-situ beam; inserting ribs and partition boards are disposed at the upper endof the first pre-fabricated double-sided composite wall; the inserting ribs are buried in the first pre-fabricated double-sided composite wall and are partially exposed out of the upper end of the first pre-fabricated double-sided composite wall; the portions, exposed out of the first pre-fabricated double-sided composite wall, of the inserting ribs penetrate through the partition boards to extend into the cast-in-situ beam; a first pre-buried part is buried in the lower end of the second pre-fabricated double-sided composite wall; a second pre-buried part is buried in the upper end of the cast-in-situ beam; the second pre-fabricated double-sided composite wall is fixed to the cast-in-situ beam in a matched mode through the first pre-buried part and the second pre-buried part; and accordingly construction and popularization of a pre-fabricated enclosure wall are facilitated.
Owner:JIANGSU LONG LEAPING ENG DESIGN

Rail type fish collection tank dam feeding system

InactiveCN105621324ATo achieve the purpose of gene exchangeReduce adverse effectsLifting devicesGreen environmentEngineering
The invention discloses a rail type fish collection tank dam feeding system. The system comprises a fish collection tank, a lifting car, a winch, a pulling cable, rails, a lifting platform, an inclined table and anchor blocks; the inclined table is located between the lifting platform and the anchor blocks, and the fish collection tank is arranged on the lifting car; the winch is mounted on the lifting platform and is connected with the lifting car through the pulling cable; the two symmetric rails are arranged and are arranged on the inclined table in a manner of being symmetric about the pulling cable; and an overhauling steel ladder is further arranged on one side of the inclined table, and the anchor blocks used for supporting the pulling cable are arranged on the lifting platform and the inclined table. A rail type fish collection tank lifting structure is adopted, rapid and stable lifting and dam feeding of the fish collection tank at the downstream position of a high-dam large reservoir under the large-fall condition can be achieved, and therefore the aims of fish passing of the upstream position and the downstream position of a high dam and fish gene exchange are achieved; and the adverse effect of development of water conservancy and hydropower engineering on the aquatic environment is effectively relieved, and the powerful technology support is provided for building the green environment-friendly water conservancy and hydropower engineering.
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD

Mental disease detection auxiliary device

InactiveCN108420445ANo liftingReduce mood swingsSensorsPsychotechnic devicesDiseaseEngineering
The invention discloses a mental disease detection auxiliary device. The metal disease detection auxiliary device comprises a weighted bottom plate; vertical rod fixing grooves are formed in the top of the weighted bottom plate; seat vertical rods are arranged above the vertical rod fixing grooves; a seat plate is arranged on the tops of the seat vertical rods, and seat cross rods are arranged onone sides of the seat vertical rods; seat armrests are arranged above the seat plate; backrest vertical columns are arranged on one side above the seat plate, near the seat armrests; the backrest vertical columns have upper body fixing ropes; one ends of the upper body fixing ropes have fixing rope pins, and the other ends of the upper body fixing ropes have fixing rope sockets; the tops of the backrest vertical columns have shielding cover rotating shafts; and a backrest cushion is arranged on one sides of the backrest vertical columns. In the present invention, after the weighted bottom plate is provided, the fixed connection of the vertical rod fixing groove does not cause the patient to easily lift the seat vertical rods by standing, and a good fixation effect can be achieved.
Owner:刘小翠

Self-centering pre-stressed concrete framework floor slab structure

ActiveCN102425257AAvoid damageReduce the cost of post-earthquake repairsFloorsShock proofingFloor slabPre stress
The invention discloses a self-centering pre-stressed concrete framework floor slab structure, which comprises spans with the quantity of N which are horizontally arranged, wherein each span comprises four main beams, secondary beams with the quantity of M, four framework columns and floor slabs, wherein the main beams are arranged between two adjacent framework columns through a pre-stressed steel stranded wire, each secondary beam is arranged between two opposite main beams, and the floor slab is arranged above the main beams and the secondary beams; every two adjacent spans share one main beam and two framework columns, in one of the spans, the secondary beams and the two main beams which are connected with the secondary beams are respectively and fixedly connected with the floor slab through a tightening device, and the rest two main beams are connected with the floor slab through a sliding device; and in each span of the rest spans, the main beams and the secondary beams are respectively connected with the floor slab through the sliding device. Under the action of single-direction earthquake, due to the adoption of the concrete framework floor slab structure, the damage to the self-centering pre-stressed concrete framework caused by the restriction effect of the floor slab can be reduced.
Owner:SOUTHEAST UNIV

Movable floated bioreactor

A movable floated bioreactor is characterized in that an enclosed internal pool is placed in a feed liquid or water body of an openmouthed fixed or floating external pool and axially rotates around a supporting device on a bearing pile which is fixedly installed on the external pool or erected in the water body, so as to be rolled and stirred under the buoyancy of the liquid. The movable floated bioreactor provided by the invention has very strong adaptability, and is suitable for both hundreds, thousands and tens of thousand cubic meters' small, medium-sized, large-scale and ultra-large automatic sewage processing and a dozen and scores of cubic meters' minitype families and alliances for source separation sewage processors and human and animal night soil and straw foreign material processing methane tanks. By the adoption of the movable floated bioreactor, those who pollute are supposed to treat and will benefit from the treatment; discharge is changing into feeding; discharging is carried out if the feed is in need; and harmonious development of the economy, environment and society is promoted. According to the invention, various novel technologies and novel preparations can be rapidly grafted or adopted, and low investment, high yield and cost performance optimization can be realized.
Owner:项栋才 +2

A Pile Foundation Reinforced Concrete Structure Offshore Oil Platform

The invention discloses a pile foundation type reinforced concrete structure offshore oil platform. The pile foundation type reinforced concrete structure offshore oil platform comprises a deck platform that is of a single-layer structure and provided with flush drilling area deck platform and a process equipment facility area deck platform; the drilling area deck platform comprises two subsections disposed on the two sides of a drill conductor wellhead area, respectively; a steel track is arranged on an inner side of each drilling area deck platform subsection and projects from an upper surface of the drilling area deck platform subsection, and the two parallel steel tracks form land drilling rig slipping tracks. The pile foundation type reinforced concrete structure offshore oil platform has the advantages of good mechanical properties, convenient construction and the like by fully utilizing excellent stress tolerance of the reinforced concrete structure and the tensile capacity of a reinforcement material. Compared with a traditional jacket type offshore platform, the pile foundation type reinforced concrete structure offshore oil platform is low in structure construction cost and long in service life, and the strength, stiffness, workability, shock and collision property and durability of the offshore platform can be improved. Besides, the pile foundation type reinforced concrete structure offshore oil platform is applicable to oilfield development projects of different scales within a range of charted depths being 3m to 30m.
Owner:CNOOC ENERGY TECH & SERVICES

External wall heat-insulation and fire-retardant material and preparation method thereof

The invention discloses an external wall heat-insulation and fire-retardant material and a preparation method thereof. The external wall heat-insulation and fire-retardant material is characterized by being prepared from 60-70 parts of foamable thermoset phenolic resin, 30-40 parts of thermoset linear urea resin, 3-8 parts of Tween 80, 10-30 parts of quartz powder, 10-15 parts of micro powder aluminium hydroxide, 10-20 parts of 4A zeolite, 5-12 parts of n-pentane and 2-6 parts of concentrated sulfuric acid. The external wall heat-insulation and fire-retardant material product disclosed by the invention is characterized in that the oxygen index is more than or equal to 55%, the water absorption is less than or equal to 2% (soaked for 24 hours), the heat conductivity coefficient is 0.02-0.029w / mk, the stability and weather resistance of the product are good, and the external wall heat-insulation and fire-retardant material product is non-toxic, odourless and environmentally-friendly. The external wall heat-insulation and fire-retardant material product is ideal fireproof, heat-insulation, energy-saving and beautiful environmentally-friendly decorative material. Detections carried out by national fireproof construction material quality supervision and inspection center show that the combustion performance of the external wall heat-insulation and fire-retardant material product disclosed by the invention is up to the grade A of the standard GB8624-2006 classification for burning behaviour of building materials and products.
Owner:南充春飞纳米晶硅技术有限公司

diaphragm tank

The invention provides a diaphragm storage tank, which includes a storage tank shell and a gas-liquid diaphragm. The two ends of the tank shell are respectively provided with an air charging and discharging port, and a liquid filling and discharging port. The two ends of the gas-liquid diaphragm are respectively It is an opening end and a blind hole end. The gas-liquid diaphragm is arranged inside the tank shell and a liquid storage chamber is formed between the tank shell and the gas-liquid diaphragm. Air discharge port, liquid addition and discharge port, gas storage chamber is formed inside the gas-liquid diaphragm and the gas storage chamber communicates with the gas filling and discharge port through the opening end, and the liquid storage chamber communicates with the liquid addition and discharge port; the gas-liquid diaphragm is in storage Driven by the internal pressure of the gas chamber, expansion can be generated to realize the discharge of liquid in the liquid storage chamber. The invention realizes a stable center of mass and no liquid sloshing during the liquid discharge process, which is beneficial to the attitude control of the aircraft, and has the advantages of small mass, safety, and It has the advantages of high reliability, good compatibility with liquid medium, long service life, strong adaptability to mechanical environment, low quality and low cost.
Owner:SHANGHAI INST OF SPACE PROPULSION

Detachable high-temperature oil pump bracket

The invention discloses a detachable high-temperature oil pump bracket. The detachable high-temperature oil pump bracket comprises a fixing plate; a mounting body is mounted on the fixing plate, a placement frame is mounted on the mounting body, and the placement frame is used for mounting a high-temperature oil pump; the placement frame is mounted on the mounting body, and a driving shaft is horizontally mounted on the mounting body in an inserted mode; a driving piece is fixedly mounted on the driving shaft, and the driving piece is of a circular sheet structure; a circular hole is formed inthe center of the driving piece, and a plurality of spike-shaped teeth are arranged on the circumference of the driving piece; and the driving shaft runs through the circular hole in the center of the driving piece and is fixedly connected with the circular hole, and one end of the driving shaft is the connecting end which is used for being connected with a wrench. The detachable high-temperatureoil pump bracket has the beneficial effects that a bracket structure can be easily and rapidly dismounted and mounted.
Owner:武安市永盛机械泵业有限公司

Coin selector

A coin selector prevents illegal actuation of a coin sensor for real coin detection and is reduced in size and has a high coin processing rate, and which can cancel a coin to be cancelled reliably. The coin selector detects the passage of a coin based upon a signal from a coin sensor disposed downstream of a real / fake discriminating unit formed along a coin passage through which the coin moves. Amoving direction changing unit for a coin is provided on the coin passage downstream of the real / fake discriminating unit and the coin passage downstream of the moving direction changing unit is disposed on a plane different from a plane on which the moving direction changing unit is present.
Owner:ASAHI SEIKO CO LTD

System and method for constant water level sequential batch type sewage treatment system with continuous variable volume

ActiveCN102765858BMeet the basic requirements for safe and stable operationEasy loadingMultistage water/sewage treatmentWater qualityProcess engineering
The invention discloses a system and a method for constant water level sequential batch type sewage treatment system with continuous variable volume. The method includes continuously injecting sewage into a constant water level variable volume adjusting area to enable an adjustable volume area to float on the liquid level in separation mode, injecting water to a constant water level variable volume reaction area through a distribution pump, injecting water to a constant water level variable volume water quality stabilizing area through a constant water level water decanting device and a waterdecanting pump, enabling supernate after reaction to be discharged into the supernate of the a constant water level variable volume water quality stabilizing area on the other side of the constant water level variable volume reaction area, pass through a smoothing clearing area and finally pass through an inclined plate clearing area and continuously discharging purification water equivalent withpreprocessing feeding water. The system and the method resolve the technical problem that denitrification and dephosphorization efficiency is low, single process structure water outlet index cannot meet requirements of indexes of the national standard first grade A, and process structure is complex. The system has the advantages of being simple in structure, low in integral process energy consumption, good in processing effect and the like.
Owner:鲍洪泉

Connection joint structure of multi-coupled steel component

The invention discloses a connection joint structure of a multi-coupled steel component. The connection joint structure of the multi-limb steel component comprises a main component and a plurality ofconnecting components, the main component is of a hollow tubular structure, the main component is provided with a connection joint area, and the wall thickness of the connecting joint area is greaterthan the wall thickness of the main component; the main component is internally provided with a plurality of first inner strengthening ring plates, and all the first inner strengthening ring plates are arranged in the height direction of the main component at intervals in an arrayed mode; and the multiple connecting components are fixedly connected with the main component, and the ends, fixedly connected with the main component, of the multiple connecting components are located in the connecting joint area. The connection joint structure of the multi-coupled steel component can effectively optimize local force of the main component, an existing method by adopting cast steel joints or increasing the wall thickness of the main component is replaced, the wall thickness of the main component is effectively controlled, the machining period is shortened, and the weight of the multi-coupled steel component is reduced. Therefore, the whole structure cost of the connection joint structure of the multiple-limb steel component is lower than that of the method by adopting cast steel joint design and increasing the wall thickness of the main component.
Owner:深圳华森建筑与工程设计顾问有限公司

Permanent magnet capable of axially adjusting uniform field

The invention relates to a permanent magnet capable of axially adjusting a uniform field, which is characterized in that the permanent magnet comprises base plates and magnetic rings, the base plate is annular, N + 1 layers of base plates and N layers of magnetic rings are alternately overlapped from bottom to top, the first layer of base plate is used as a bottom plate and is positioned at the lowest part of the magnetic ring, and the N + 1 layer of base plate is used as a cover plate and is positioned at the uppermost part of the magnetic ring; the N + 1 layers of base plates are fixedly connected in sequence from bottom to top, so that the N layers of magnetic rings are stacked to form a column type permanent magnet with an internal cavity, the internal cavity of the column type permanent magnet is a uniform magnetic field, and N>2 . According to the structure, only the heights of part of the magnetic blocks need to be finely adjusted, less magnetic materials are used, the weight and manufacturing cost of the permanent magnet structure are reduced, and the phenomenon of excessive compensation is prevented. Therefore, the permanent magnet provided by the invention can generate a magnetic field with high magnetic field intensity and high uniformity in a miniaturized instrument.
Owner:NORTHEAST DIANLI UNIVERSITY
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