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30results about How to "Perfect construction" patented technology

Saline-alkali soil drainage, storage, purifying, and recycling system based on sponge city

InactiveCN106592732ASolve the problem of low utilization rateEfficient reuseGeneral water supply conservationSoil drainageWater storageAlkali soil
The invention discloses a saline-alkali soil drainage, storage, purifying, and recycling system based on a sponge city, comprising a purifying water storage channel, a saline-alkali water purifying pond, and a biological filtering pond; the purifying water storage channel comprises a channel body, wherein the top part of the channel body is provided with a slope, and slope plants are planted on the slope; the channel body is internally and orderly provided with a zeolite filler layer, a geotechnical cloth, a planting soil layer and a salt excretion plant; the bottom part of the zeolite filler layer is paved with a water collecting pipe; the saline-alkali water purifying plants are planted in the saline-alkali water purifying pond, and a plant floating block is arranged in the saline-alkali water purifying pond, and the bottom part of the plant floating block is provided with a mesh bag; the top part of the biological filtering pond is provided with a mixer with a cover, and a biological filler is arranged in the filler biological filtering pond. According to the invention, the concept of sponge city is infused to a water circle of the land around the city, the rainwater storage, purification and use of saline-alkali land is contained in the water cycle of the whole sponge city, thus the system is good for constructing a more comprehensive urban sponge body, and providing a new concept for governing the geological pollution of people.
Owner:TIANJIN UNIV

Local air-water reversing upflow biological aerated filter and sewage treatment method thereof

The invention discloses a local air-water reversing upflow biological aerated filter and a sewage treatment method thereof, and relates to a water treatment device and a water treatment method. According to the biological aerated filter, a needle punched nonwoven filter material is taken as a packing, and a plurality of aeration branch pipes are arranged in the height direction of an aeration main pipe. The water treatment method comprises the following steps of: regulating the pH value of sewage to be treated to be 7.5-8, pumping into the filter, pumping air into the filter, ensuring that the hydraulic retention time is 1 to 2 hours, and directly discharging the obtained supernate. Small-flow aeration of which the aeration direction is opposite to upward water flow, the water flow is disturbed on the water flow section, air and water are uniformly distributed, a mass transfer effect is good, phenomena of short flow and channeling can be reduced, anaerobic areas in a system can be effectively eliminated, a membrane is formed uniformly, a problem of poor nitrification effect during operation of the traditional biological aerated filter is solved to a great extent, and the average ammonia nitrogen concentration of effluent is 8.63mg / L. The invention is used for treating wastewater.
Owner:HARBIN INST OF TECH

Public health management system based on medicine taking behavior supervision on patients with chronic disease

PendingCN112768088APerfect construction and maintenanceEasy to track and monitorMedical communicationData processing applicationsMedical emergencyMedication taking
The invention discloses a public health management system based on medicine taking behavior supervision on patients with chronic disease, which comprises a plurality of medicine taking units, a plurality of detection units, a cloud platform server and a public health management end, wherein the medicine taking units and the detection units are in information interconnection with the cloud platform server; and the cloud platform server is in information interconnection with the public health management end. The public health management end is used for supervising and receiving the medicine taking condition and the treatment effect of the patients with chronic disease in the jurisdiction, analyzing and evaluating the medicine taking condition and the treatment effect, and further providing guidance suggestions or issuing instructions to hospitals and related doctors in the jurisdiction to adjust corresponding treatment schemes; and big data analysis is carried out, and a conventional reference treatment scheme is continuously optimized and output to related departments for reference. Through reasonable combination of individual medicine taking behavior monitoring of chronic disease patients and a public health management system, the public health management system is perfected and maintained, and the system can be widely applied to the technical field of chronic disease treatment and monitoring management systems.
Owner:合肥巧士健康科技有限责任公司

Roof rainwater runoff pollutant concentration calculation method and controlled release application thereof

ActiveCN111047180AReflect the changing law of concentrationAdequate experimental basisGeneral water supply conservationResourcesRoof runoffWater quality
The invention belongs to the technical field of resources and environments. An existing method for calculating the roof runoff pollutant concentration through a water quality model is greatly different from reality in the application process, and aiming at the problem in the prior art, the invention discloses a roof rainwater runoff pollutant concentration calculation method, which comprises the following steps of: firstly, defining a typical rain pattern formula of regional rainfall, obtaining a change rule of rainfall of the region in different rainfall recurrence periods through the rain pattern formula, and applying the rule to subsequent steps; secondly, designing a rainfall recurrence period P and a session rainfall duration T of the region, collecting the number Td of sunny days inthe earlier stage of rainfall of the region, selecting a certain roof as an object, and defining the length L and the gradient theta of the roof; and calculating confluence time tc by a formula 2, andselecting a corresponding pollutant concentration calculation formula to describe the change process of the roof runoff pollutant concentration along with time according to the confluence time tc. The computational formula is high in scientificity and high in correlation with experimental data.
Owner:TONGJI UNIV

PE ball valve micro-leakage detection system and detection method

The invention discloses a PE ball valve micro-leakage detection system. The system comprises a pressure and temperature acquisition module used for acquiring air pressure and temperature data in a valve core of a PE ball valve; a wireless signal transceiver used for receiving the data of the pressure and temperature acquisition module and forwarding the data to a host computer; and the host computer used for receiving the air pressure and temperature data forwarded by the wireless signal transceiver. The invention also provides a PE ball valve micro-leakage detection method. The method includes: the pressure and temperature acquisition module is installed in a valve core of a to-be-detected PE ball valve, the valve core of the PE ball valve is closed, and a preset air pressure value is remained in the air pressure in the valve core of the PE ball valve; the pressure and temperature acquisition module acquires detection data of the air pressure and temperature in the valve core of the PE ball valve at the same moment; and the micro-leakage condition of the PE ball valve is evaluated with the combination of the air pressure change gradient after temperature change correction according to the air pressure data change in the valve core. According to the system and the method, long-term detection of the pressure and the temperature of the valve core of the PE ball valve can be conducted, and the micro-leakage performance detection of the PE ball valve is realized.
Owner:CHINA JILIANG UNIV

System and method for monitoring ground potential difference

The invention provides a system and a method for monitoring ground potential difference. The system comprises transformer substations and an alternating-current power transmission line, wherein transformer substation grounding flat steel is connected with a neutral point of a main transformer of each transformer substation; the main transformers of the two transformer substations are connected with each other through the alternating-current power transmission line; current flowing through the alternating-current power transmission line is generated by the ground potential difference; a wave recording device is connected between each piece of transformer substation grounding flat steel and the neutral point of the main transformer of the corresponding transformer substation; the wave recording devices are in communication connection with a GSM (global system for mobile communications)/ GPRS (general packet radio service) network; the GSM/GPRS network is in communication connection with a server of a monitoring master station; and each wave recording device is also connected with a GPS (global positioning system) synchronizer. A testing loop for monitoring the potential difference between the transformer substations is formed, a ground potential different monitoring network for covering a whole region is realized, a powerful basis is provided for analyzing a logical relationship between ground current activity and a power grid running mode, regional earthquake disaster monitoring and early warning platform establishment are improved, and a criterion is provided for abnormal running states of systems such as electric power systems and communication systems.
Owner:STATE GRID CORP OF CHINA +2

Platform board with projection apparatus

Disclosed is a platform board with a projection apparatus. The platform board comprises the platform board, a solar panel, streetlamps, a storage battery, a lamp post, and the projection apparatus, wherein the solar panel is connected with the top end of the platform board through the lamp post; the projection apparatus is connected with the right side of the upper end of the lamp post; one streetlamp is arranged at each of the left and right ends of the lamp post separately; a player, a control processor, a signal receiver, four LED display screens, four public transport signposts, a navigation map and the storage battery are arranged in the platform board; the control processor is connected with the player, the signal receiver, the LED display screens and the projection apparatus; the projection apparatus can project parking places of get-in public buses. The platform board with the projection apparatus can clearly display public transport lines; meanwhile, the platform board is additionally provided with the solar streetlamps, the navigation map and the projection apparatus, and has functions of indicating the get in time of public buses, and the like; the projection apparatus can project parking places of get-in public buses at night; and therefore, more convenience is brought to life, and the construction of infrastructure is completed.
Owner:HARBIN HONGWANZHI SCI & TECH DEV

Station board provided with automatic change maker

The invention discloses a station board provided with an automatic change maker. The station board comprises a station board main body, a solar panel, streetlamps, a storage battery, a lamp post and the automatic change maker, wherein the solar panel is connected to the top end of the station board main body by virtue of the lamp post; one of the streetlamps is arranged at the left end of the lamp post and the other streetlamp is arranged at the right end of the lamp post; a player, a control processor, a signal receiver, four LED display screens, four bus indicating plates, the automatic change maker and the storage battery are arranged in the station board main body; and the control processor is connected to the player, the signal receiver and the LED display screens. The station board provided with the automatic change maker disclosed by the invention, by virtue of the automatic change maker arranged therein, can facilitate people to make change so as to take buses conveniently; in addition, public routes can be clearly displayed on the station board; and in addition, by adding the solar streetlamps as well as such functions as prompting bus entrance time and the like, the station board can bring about more convenience to people's lives and complete the construction of infrastructures.
Owner:HARBIN HONGWANZHI SCI & TECH DEV

Transportation method for electric traction semitrailer

The invention discloses a transportation method for electric traction semitrailers. The transportation method for the electric traction semitrailers comprises the steps that a service area is selected on a highway transportation line, one or a plurality of charging parking spaces or charging facilities are arranged in the service area, and an electric tractor parked in each charging parking space is charged in advance; after the electric traction semitrailers (semitrailer group) starts from the starting place or the last station service area and arrives at the service area after a period of transportation, changing operation of the tractors is conducted, and the tractors with low battery are replaced by the tractors which are fully charged; after the changing operation of the tractors is finished, the semitrailers are pulled to run continuously by the tractors which are fully charged, and the replaced tractors with low battery are charged in the service area, so that tractor changing for the next group of traction semitrailers is well prepared. Whole-process-electrification of long-distance highway transportation is achieved in a relay transporting mode. By implementing the transportation method for the electric traction semitrailer, manufacturing and operating cost can be reduced significantly, transportation operating efficiency and safety of line transportation are improved, and great energy-saving and environmentally-friendly benefits are generated.
Owner:何晓明

Platform board with temperature and humidity measurement device

The invention provides a platform board with a temperature and humidity measurement device. The platform board comprises a platform board body, a solar panel, street lamps, a storage battery, a lamp post, a temperature and humidity sensor, an A / D converter, a control processor and a temperature and humidity display screen, wherein the solar panel is connected to the top end of the platform board body through the lamp post, each of the left and right ends of the lamp post is provided with one of the street lamps, and the control processor, a player, a signal receiver, bus get-in information display screens, bus indicator boards, the temperature and humidity sensor, the A / D converter, the temperature and humidity display screen and the storage battery are arranged inside the platform board body. With the platform board with the temperature and humidity measurement device, the bus routes can be clearly displayed, meanwhile, the functions of the solar street lamps, the bus get-in time prompt information and the like are added, and the temperature and humidity measurement device is also arranged, so that the outdoor temperature and humidity can be effectively measured in real time, therefore, great conveniences are provided for the life of people, and thus the infrastructure construction is perfected.
Owner:HARBIN HONGWANZHI SCI & TECH DEV

Method for assembling barrel body and grinding roller of horizontal roller mill

The invention discloses a method for assembling a barrel body and a grinding roller of a horizontal roller mill. The method comprises the following steps of: (a) assembling an auxiliary platform; (b) hoisting a sliding trolley which is assembled onto a main rail; (c) hoisting the barrel body onto the sliding trolley; (d) hauling the sliding trolley by using traction equipment to move from one side of the main rail to a pedestal of equipment until the sliding trolley arrives above the pedestal of the equipment; (e) fixing the sliding trolley and supporting transverse beams of the sliding trolley respectively by using fixed supports; (f) disassembling steel beams on left side and right side, descending the fixed supports and descending the sliding trolley and the barrel body to the pedestal of the equipment; (g) disassembling the sliding trolley; (h) assembling a maintenance trolley on an auxiliary rail; and (i) hoisting the grinding roller onto the maintenance trolley, hauling the maintenance trolley to move from one side of the auxiliary rail to the pedestal of the equipment until the maintenance trolley and the grinding roller enter the barrel body, and connecting the grinding roller. By adoption of the method, assembly errors can be reduced and stability of the platform is guaranteed.
Owner:TIANJIN 20 CONSTR

Incubator and method of incubating mature silkworms by employing same

InactiveCN106857425AConsolidate the basic positionIncrease production levelsAnimal husbandryNatural resourceLight energy
The invention relates to the technical field of mollusc cultivation and in particular to an incubator and a method of incubating mature silkworms by employing the same. According to the incubator, a box body of the incubator is connected to a photovoltaic conversion device, an illuminating device and an environment monitoring device are arranged in the box body, the photovoltaic conversion device is connected to the illuminating device and the environment monitoring device, and a door is arranged on the box body. A method of incubating silkworms comprises the following steps: placing a cocooning tool with baffle plates around in the incubator; and at least placing more than one mature silkworm in the cocooning tool to be cultivated for 40-100h in an environment that the box body temperature is 10-30 DEG C and the relative humidity is 45-90%. With adoption of the technical scheme, a path of sustainable development which is advocated by Chinese government is persisted, and light energy is converted into electric energy by making full use of a photovoltaic (photovoltaic conversion) technology, so that valuable natural resources are saved, the cultivation cost of the mature silkworms is lowered, and the cultivation efficiency of the mature silkworms is greatly increased.
Owner:上海华衍纺织科技有限公司

Local air-water reversing upflow biological aerated filter and sewage treatment method thereof

The invention discloses a local air-water reversing upflow biological aerated filter and a sewage treatment method thereof, and relates to a water treatment device and a water treatment method. According to the biological aerated filter, a needle punched nonwoven filter material is taken as a packing, and a plurality of aeration branch pipes are arranged in the height direction of an aeration main pipe. The water treatment method comprises the following steps of: regulating the pH value of sewage to be treated to be 7.5-8, pumping into the filter, pumping air into the filter, ensuring that the hydraulic retention time is 1 to 2 hours, and directly discharging the obtained supernate. Small-flow aeration of which the aeration direction is opposite to upward water flow, the water flow is disturbed on the water flow section, air and water are uniformly distributed, a mass transfer effect is good, phenomena of short flow and channeling can be reduced, anaerobic areas in a system can be effectively eliminated, a membrane is formed uniformly, a problem of poor nitrification effect during operation of the traditional biological aerated filter is solved to a great extent, and the average ammonia nitrogen concentration of effluent is 8.63mg / L. The invention is used for treating wastewater.
Owner:HARBIN INST OF TECH

Method for assembling barrel body and grinding roller of horizontal roller mill

The invention discloses a method for assembling a barrel body and a grinding roller of a horizontal roller mill. The method comprises the following steps of: (a) assembling an auxiliary platform; (b) hoisting a sliding trolley which is assembled onto a main rail; (c) hoisting the barrel body onto the sliding trolley; (d) hauling the sliding trolley by using traction equipment to move from one side of the main rail to a pedestal of equipment until the sliding trolley arrives above the pedestal of the equipment; (e) fixing the sliding trolley and supporting transverse beams of the sliding trolley respectively by using fixed supports; (f) disassembling steel beams on left side and right side, descending the fixed supports and descending the sliding trolley and the barrel body to the pedestal of the equipment; (g) disassembling the sliding trolley; (h) assembling a maintenance trolley on an auxiliary rail; and (i) hoisting the grinding roller onto the maintenance trolley, hauling the maintenance trolley to move from one side of the auxiliary rail to the pedestal of the equipment until the maintenance trolley and the grinding roller enter the barrel body, and connecting the grinding roller. By adoption of the method, assembly errors can be reduced and stability of the platform is guaranteed.
Owner:TIANJIN 20 CONSTR

Processing method for basement water-proof concrete construction joint

The invention discloses a treatment method of basement waterproofing concrete construction joints, comprising the following steps of: (1) construction joint arrangement: the construction joint consists of two parts which form ladder shape inside the wall, construction is carried out to the outside construction joint and a substrate together; the inside construction joint is arranged on the substrate and constructed together with the upper wall; (2) water-stopping plate arrangement: a water-stopping steel plate is vertically arranged on the outside horizontal construction joint with the wall higher than the substrate; and (3) concrete pouring: the concrete construction of the outside construction joints and the substrate is finished simultaneously; and the concrete construction of the partabove the inside construction joint and the upper wall is finished simultaneously. By adopting the staged construction joint arrangement, not only the permeating path of the waterproof concrete can beincreased, the impermeable capability of the waterproof concrete is effectively enhanced, and the leakage occurrence of the building is reduced, but also the construction joint left on the wall substrate guarantees the visual quality of concrete surface inside the outside wall, thus solving the problem that the basement concrete wall inside surface has poor visual quality of the construction joint.
Owner:TIANJIN 20 CONSTR
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