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37results about How to "Solve ills" patented technology

Parallel construction method for shield arrival tunnel portal ring beam and shield crossing station

The invention relates to the field of tunnel shield construction, in particular to a parallel construction method for a shield arrival tunnel portal ring beam and a shield crossing station. According to the parallel construction method for the shield arrival tunnel portal ring beam and the shield crossing station, the problems of long construction period and high cost because tunnel portal ring beam construction is carried out after the shield tunnel of the traditional station is finished are solved. The parallel construction method for the shield arrival tunnel portal ring beam and the shield crossing station comprises the following steps of: reserving a pump pipe on a middle plate and a top plate of the station; during shield arrival, carrying out secondary after-grouting to the back of a pipe piece by polyurethane; cancelling zero ring pipe piece splicing; after a shield tail leaves the tunnel portal ring beam, overlaying I steel on tunnel portal ring steel; welding a steel plate on the I steel; erecting a groined type rack platform on the tunnel portal steel ring; binding the tunnel portal ring beam reinforcing steel bar; installing an annular template and an end tip template; and directly pouring tunnel portal ring beam concrete by a station embedded pump pipe. Tunnel portal ring beam and shield tunneling can be synchronously carried out, and the influence on the shield tunneling by the tunnel portal ring beam construction is avoided. The parallel construction method for the shield arrival tunnel portal ring beam and the shield crossing station has the advantages of simple technology, advanced technology, flexible working procedure regulation, no construction interference and favorable economic benefit and social benefit.
Owner:2ND ENG CO LTD OF CHINA RAILWAY 12TH BUREAU GRP +1

Smooth soft starting device of direct current motor

The invention discloses a smooth soft starting device of a direct current motor. The smooth soft starting device comprises a main loop based on an insulated gate bipolar transistor (IGBT) and a control device based on a singlechip and a liquid crystal display, wherein a Hall current voltage detection unit samples an armature current, an armature voltage and an exciting current of the direct current motor in real time and sends detected operating parameters into a central processing unit; the central processing unit transmits the operating parameters to a display record unit for displaying; and a temperature detection unit obtains a temperature value of an IGBT module and sends the temperature value into the central processing unit. An IGBT driving unit outputs pulse width modulation (PWM) control quantity to drive the IGBT module, so the size of an armature winding current of the direct current motor is controlled, and the contactless and stepless rising current starting of the direct motor is realized. The smooth soft starting device of the direct current motor has the advantages that: the defects of the conventional direct current motor control system can be completely overcome; the smooth stepless starting of the direct current motor can be realized; and starting and operating currents are always below a rated current of the motor without any impact on a direct current system and the direct current motor.
Owner:BAODING ZHUOER ELECTRIC

Intelligent river sewage treatment plant

PendingCN111138048AEfficient processing effectEnergy saving and environmental protection treatment effectWater resource protectionSpecific water treatment objectivesRiver routingWater flow
The invention provides a novel intelligent sewage treatment plant capable of being directly built on a riverway. A proper river section is selected at the upstream of a polluted river; a three-stage stepped dam is built through scientific design and modular combination; a water body purification device, an adsorption facility and an ecological restoration system are arranged in the corresponding dam body; a complex sewage treatment process is simplified and concentrated in a three-stage treatment dam to form an overwater intelligent sewage treatment plant, the polluted river water is directlysubjected to graded rapid purification treatment, and intelligent control, real-time online monitoring, data transmission and remote control are realized in the whole process. The stepped dam design generates water level difference to facilitate water flowing and scouring of a downstream river channel, and is matched with sewage interception of the downstream river channel, so that the polluted river channel is thoroughly treated, and water ecological natural restoration is accelerated. The intelligent river sewage treatment plant can be moved and flexibly reconstructed in other river sections, and is particularly suitable for treatment of polluted riverways with large sewage amount, treatment of urban sewage discharge channels or treatment of watershed pollution.
Owner:北京贝特斯联合科技有限公司

Heat accumulating type burner for heating furnace

The invention discloses a heat accumulating type burner for a heating furnace. The heat accumulating type burner comprises a burner block part, an air inlet unit, a thermal storage tank, a first flange arranged between the burner block part and the furnace wall, second flanges arranged on the two sides of the air inlet unit and a third flange arranged between the air inlet unit and an air pipeline, wherein the air inlet unit is arranged between the burner block part and the thermal storage tank; the burner block part comprises a burner block prepared from high temperature resistant and flushing resistant mullite castabale, and a metal shell part; during production, the two parts are poured to form an integral body; an air channel and a coal gas channel are combined on the separate burner block; the structure of the burner is the same as that of the conventional burner, namely, the inner ring is a coal gas nozzle, and the outer ring is an air nozzle, so that combustion is effectively implemented. According to the invention, the heat accumulating type burner is high in combustion efficiency, changeable and good in temperature uniformity, and solves a plurality of defects of the conventional heat accumulating type burner; the product quality is improved; the enterprise cost is reduced; the working condition of workers is improved.
Owner:FIVES STEIN METALLURGICAL TECH SHANGHAI CO LTD

Device and method for promoting interaction of particulate matters by utilizing electrode charging

InactiveCN102553389AEfficient interactionEasy to removeAuxillary pretreatmentElectricityParticulates
The invention relates to a device and a method for promoting interaction of particulate matters by utilizing electrode charging. The device is characterized by comprising a charging flow guide section, a corona bar pre-charging section, a mixed flow guide section and a mixed section, wherein the charging flow guide section comprises m1 rows and n1 lines of charging flow guide blades; each charging flow guide blade is arranged in a channel through a connecting shaft and is formed by continuously arranging a plurality of blunt body branch blades; the corona bar pre-charging section comprises m2 rows of positive and negative interphase bar-shaped electrodes; two ends of each bar-shaped electrode are fixed on the inner wall of the channel through a connecting piece respectively; the adjacent bar-shaped electrodes are connected with a positive electrode and a negative electrode of a high-voltage electrostatic power supply respectively; the mixed flow guide section comprises m3 rows and n3 lines of mixed flow guide blades; each mixed flow guide blade is arranged in a channel through a connecting shaft; the mixed section comprises m4 row and n4 lines of vortex-generating blades; and each vortex-generating blade is arranged in a channel through a connecting shaft. The device can effectively remove ultrafine particulate matters and can be widely applied to the aspects of controlling air pollution and the like.
Owner:PEKING UNIV

Vertical type water tank wire drawing machine

InactiveCN104259227ASolve illsIncreased drawing passesDrive shaftSmall footprint
The invention discloses a vertical type water tank wire drawing machine. The vertical type water tank wire drawing machine comprises a plurality of cone pulleys and corresponding wire drawing moulds, one finish drawing mould assembly, a meter measuring device, a traction wheel, a tension device, a plurality of wire guiding devices, a wire arranging device, a power device and a transmission device which are arranged in one fixed box, wherein the cone pulleys comprise a cone pulley group I, a cone pulley group II and a cone pulley group III which are sequentially arranged, each cone pulley group comprises two cone pulleys which are correspondingly arranged up and down and are arranged on a driving shaft and a driven shaft, each driving shaft is arranged below while the corresponding driven shaft is arranged above, eight drawing grooves are formed in each cone pulley, a mould frame is arranged between the two cone pulleys, which are arranged up and down, in each cone pulley group, wire drawing moulds in eight passes are arranged in the drawing grooves corresponding to the cone pulleys in the mould frame and are sequentially arranged in a manner that the diameters of the moulds are gradually reduced, the finish drawing mould assembly is arranged corresponding to the cone pulley group III, and the pore diameter of a finish drawing mould in the finish drawing mould assembly is equal to the final diameter required by a steel wire finished product. The vertical type water tank wire drawing machine has the beneficial effects that the drawing passes are increased, thin steel wires can be drawn, wire threading time is short, starting safety performance is high, the whole structure is compact, floor space is small, and operational maintenance is facilitated.
Owner:SHANGHAI ZICHEN IND

Self-crosslinking organosilicone heat-resistant coating

The invention relates to a self-crosslinking organosilicone heat-resistant coating capable of reaching good drying properties and excellent physical and chemical properties through a self-crosslinking reaction. The self-crosslinking organosilicone heat-resistant coating is characterized in that the coating is prepared from the following raw materials in parts by weight: 50-60 parts of modified organosilicone resins with a concentration not less than 60%, 0.3 part of dispersant BYK, 0.4 part of organic bentonite, 10-15 parts of pigment, 5-10 parts of mica powder with a particle size of 350-450meshes, 5-10 parts of precipitate barium sulfate with a particle size of 350-450 meshes, 5-10 parts of talc powder with a particle size of 350-450 meshes and 10-20 parts of xylene; and the coating can achieve good drying properties and excellent physical and chemical properties through a self-crosslinking reaction in a 25 DEG C environment. Through the coating, the shortcomings of the existing one-component organosilicone products are solved, the coating has good heat resistance, and simultaneously the coating layer formed by the coating has excellent mechanical strength and protective properties. The coating provided by the invention is adaptable to the decorative protection of large-sized heat-resistant components, the components coated by the coating can withstand the temperature of 450 DEG C for a long term and can withstand long-term UV (ultraviolet) exposure, and the coating layer is not damaged.
Owner:西安经建油漆有限责任公司

Box-type complete water supply device with integrated water storage and variable-frequency constant-voltage lamination water supply

ActiveCN102041830ASolve illsAutomatically realize the frequency conversion constant pressure water supply functionService pipe systemsWater mainsWater storageRemote control
The invention discloses a box-type complete water supply device with integrated water storage and variable-frequency constant-voltage lamination water supply. A self-suction priming device, a booster water pump unit and a lamination non-negative pressure device are arranged in a stainless steel split type water storage box, wherein the self-suction priming device is arranged on each water inlet of the booster water pump unit; one end of the lamination non-negative pressure device is connected with the inlet pipe of the booster water pump unit, and the other end of the lamination non-negative pressure device is connected with the inlet pipe in front of a hydraulic remote control float valve; and the outer part of the stainless steel split type water storage box is provided with an intelligent control system which is connected with the booster water pump unit, a first sensor, a second sensor and the lamination non-negative pressure device via control leads. The box-type complete water supply device can automatically utilize the original pressure of a tap water pipe network for lamination boosted water supply, and can automatically boost stored water in the water storage tank to supply water for users. In addition, the box-type complete water supply device can supply water at variable frequency and constant voltage, does not cut off water during device overhauling, automatically cleans, and has the characteristics of small land occupation, low operation noise and low later-stage maintenance cost.
Owner:上海艺迈实业有限公司

Angle type laser compass

The invention discloses an angle type laser compass which comprises an inner disc, a first outer disc, a second outer disc and a Y-shaped central shaft, the inner disc, the first outer disc and the second outer disc are coaxially arranged, the Y-shaped central shaft is connected with the center of the inner disc, the center of the first outer disc and the center of the second outer disc, the inner disc is fixedly connected with the top of the Y-shaped central shaft, and the first outer disc and the second outer disc are rotationally connected with the Y-shaped central shaft. The angle type laser compass is simple in structure, convenient to operate and control, accurate in orientation and direction finding and high in inner disc positioning speed, rays and linear rays at any angle can be freely combined by rotating the first outer disc and the second outer disc, objects within the range of 15 degrees, 45 degrees and the freely combined angle can be observed at the same time, any degree in a 360-degree circle can be read in a pointing mode, and a laser droop point is a 360-degree circle center point; and the compass effectively overcomes the defects that a traditional compass is single and various fixed laser directional direction finding compasses exist, is another innovation of the compass, is suitable for wind and water exploration, and is also suitable for other measurement fields by replacing a compass surface.
Owner:田勇

Device and method for promoting interaction of particulate matters by utilizing electrode charging

The invention relates to a device and a method for promoting interaction of particulate matters by utilizing electrode charging. The device is characterized by comprising a charging flow guide section, a corona bar pre-charging section, a mixed flow guide section and a mixed section, wherein the charging flow guide section comprises m1 rows and n1 lines of charging flow guide blades; each charging flow guide blade is arranged in a channel through a connecting shaft and is formed by continuously arranging a plurality of blunt body branch blades; the corona bar pre-charging section comprises m2 rows of positive and negative interphase bar-shaped electrodes; two ends of each bar-shaped electrode are fixed on the inner wall of the channel through a connecting piece respectively; the adjacent bar-shaped electrodes are connected with a positive electrode and a negative electrode of a high-voltage electrostatic power supply respectively; the mixed flow guide section comprises m3 rows and n3 lines of mixed flow guide blades; each mixed flow guide blade is arranged in a channel through a connecting shaft; the mixed section comprises m4 row and n4 lines of vortex-generating blades; and each vortex-generating blade is arranged in a channel through a connecting shaft. The device can effectively remove ultrafine particulate matters and can be widely applied to the aspects of controlling air pollution and the like.
Owner:PEKING UNIV

Parallel construction method for shield arrival tunnel portal ring beam and shield crossing station

The invention relates to the field of tunnel shield construction, in particular to a parallel construction method for a shield arrival tunnel portal ring beam and a shield crossing station. According to the parallel construction method for the shield arrival tunnel portal ring beam and the shield crossing station, the problems of long construction period and high cost because tunnel portal ring beam construction is carried out after the shield tunnel of the traditional station is finished are solved. The parallel construction method for the shield arrival tunnel portal ring beam and the shield crossing station comprises the following steps of: reserving a pump pipe on a middle plate and a top plate of the station; during shield arrival, carrying out secondary after-grouting to the back of a pipe piece by polyurethane; cancelling zero ring pipe piece splicing; after a shield tail leaves the tunnel portal ring beam, overlaying I steel on tunnel portal ring steel; welding a steel plate on the I steel; erecting a groined type rack platform on the tunnel portal steel ring; binding the tunnel portal ring beam reinforcing steel bar; installing an annular template and an end tip template; and directly pouring tunnel portal ring beam concrete by a station embedded pump pipe. Tunnel portal ring beam and shield tunneling can be synchronously carried out, and the influence on the shield tunneling by the tunnel portal ring beam construction is avoided. The parallel construction method for the shield arrival tunnel portal ring beam and the shield crossing station has the advantages of simple technology, advanced technology, flexible working procedure regulation, no construction interference and favorable economic benefit and social benefit.
Owner:2ND ENG CO LTD OF CHINA RAILWAY 12TH BUREAU GRP +1

A chip structure and manufacturing method

The invention discloses a chip structure and a manufacturing method. The chip structure comprises a chip substrate, a first signal gasket, a second signal gasket, a first hole, a dielectric material and a packaging material, wherein a first surface of the chip substrate is provided with the first signal gasket and the second signal gasket; on a second surface of the chip substrate, the first holeis etched at a position corresponding to the second signal gasket; the first hole passes through the chip substrate and a metal conductive material is filled in the first hole; the dielectric materialand the chip substrate are arranged at a preset distance interval; a part of the packaging material wraps the chip substrate and the dielectric material, the packaging material is exposed at a side of the dielectric material, the side of the dielectric material is the same with the sides of the first signal gasket and the second signal gasket, and a first signal line is arranged on the packagingmaterial and the second signal gasket; and the side of the packaging material, which is different from the sides of the first signal gasket and the second signal gasket, is provided with a second signal line. In the invention, based on double-sided wiring of a silicon through hole, wiring difficulty of packaging is reduced, simultaneously high frequency and low frequency signals are separated so that crosstalk among the signals is reduced.
Owner:NAT CENT FOR ADVANCED PACKAGING CO LTD

Smooth soft starting device of direct current motor

The invention discloses a smooth soft starting device of a direct current motor. The smooth soft starting device comprises a main loop based on an insulated gate bipolar transistor (IGBT) and a control device based on a singlechip and a liquid crystal display, wherein a Hall current voltage detection unit samples an armature current, an armature voltage and an exciting current of the direct current motor in real time and sends detected operating parameters into a central processing unit; the central processing unit transmits the operating parameters to a display record unit for displaying; and a temperature detection unit obtains a temperature value of an IGBT module and sends the temperature value into the central processing unit. An IGBT driving unit outputs pulse width modulation (PWM) control quantity to drive the IGBT module, so the size of an armature winding current of the direct current motor is controlled, and the contactless and stepless rising current starting of the direct motor is realized. The smooth soft starting device of the direct current motor has the advantages that: the defects of the conventional direct current motor control system can be completely overcome; the smooth stepless starting of the direct current motor can be realized; and starting and operating currents are always below a rated current of the motor without any impact on a direct current system and the direct current motor.
Owner:BAODING ZHUOER ELECTRIC

Box-type complete water supply device with integrated water storage and variable-frequency constant-voltage lamination water supply

ActiveCN102041830BSolve illsAutomatically realize the frequency conversion constant pressure water supply functionService pipe systemsWater mainsWater storageWater storage tank
The invention discloses a box-type complete water supply device with integrated water storage and variable-frequency constant-voltage lamination water supply. A self-suction priming device, a booster water pump unit and a lamination non-negative pressure device are arranged in a stainless steel split type water storage box, wherein the self-suction priming device is arranged on each water inlet of the booster water pump unit; one end of the lamination non-negative pressure device is connected with the inlet pipe of the booster water pump unit, and the other end of the lamination non-negative pressure device is connected with the inlet pipe in front of a hydraulic remote control float valve; and the outer part of the stainless steel split type water storage box is provided with an intelligent control system which is connected with the booster water pump unit, a first sensor, a second sensor and the lamination non-negative pressure device via control leads. The box-type complete water supply device can automatically utilize the original pressure of a tap water pipe network for lamination boosted water supply, and can automatically boost stored water in the water storage tank to supply water for users. In addition, the box-type complete water supply device can supply water at variable frequency and constant voltage, does not cut off water during device overhauling, automatically cleans, and has the characteristics of small land occupation, low operation noise and low later-stage maintenance cost.
Owner:上海艺迈实业有限公司
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