Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

18results about How to "Improve the diversion effect" patented technology

A downhole supercritical carbon dioxide fracturing coal rock device and construction method

The application provides a downhole supercritical carbon dioxide fracturing coal rock device and a construction method, which comprises a coal seam, a fracturing borehole, a hole blocking section, a hole sealing section, a fracturing section, a monitoring hole, a fracturing system, a temperature control system, a grouting system, a liquid carbon dioxide pressurizing system, a proppant mixing system, an extraction system and a data collector; the fracturing borehole is arranged on the coal seam and comprises the hole blocking section, the hole sealing section and the fracturing section; a plurality of monitoring holes are arranged on the coal seam and are spaced apart in the circumferential direction of the fracturing borehole; and the fracturing system is connected with the temperature control system. The proppant mixing system can improve the performance of the liquid carbon dioxide carrying proppant mixture, so that the proppant mixture effectively enters the fracturing fracture and maintains good flow conductivity. The temperature control system overcomes the difficulty in preparation of downhole supercritical carbon dioxide and can realize injection of carbon dioxide in a supercritical state into the fracturing coal seam.
Owner:NORTHEASTERN UNIV CHINA

A floating object removing apparatus for sewage treatment

The utility model provides a kind of floating object removing equipment for sewage treatment, including grating conveyor, one end of the grating conveyor is provided with bottom backing plate, the other end of the grating conveyor is equipped with two mutually symmetrical conveyor end plate, transmission roller is rotatably installed on the bottom backing plate, the grating belt of the grating conveyor is driven and wound on the surface of transmission roller, the both ends of the bottom backing plate are respectively fixedly connected with height-adjusting plate;The utility model can flexibly adjust the height and angle of the device according to actual demand by setting through the cooperation of height-adjusting plate and mounting guide rail plate, so as to adapt to different sewage treatment scenarios.In addition, the design of positioning screw further enhances the stability of the device, keeps accurate position control during the sliding process of the extension slide, avoids the deviation problem caused by vibration or external force, and improves the flexibility of the equipment.
Owner:KUNSHAN KANGZHIHONG ENVIRONMENTAL PROTECTION ENG CO LTD

Biodegradable ammonium persulfate coating gel breaker for fracturing operation and preparation method of biodegradable ammonium persulfate coating gel breaker

PendingCN121950281Aavoid secondary pollutionProtect the original environmentDrilling compositionCelluloseNon solvent
The invention provides a biodegradable ammonium persulfate coating gel breaker for fracturing operation and a preparation method of the biodegradable ammonium persulfate coating gel breaker. The preparation method comprises the following steps: determining a mass ratio R of rosin glyceride to ethyl cellulose according to a target reservoir temperature T, and calculating a coating weight gain ratio coefficient K and the total mass of a coating material according to target delayed gel breaking time t; preparing a core material ammonium persulfate into a water phase, and emulsifying in an oil phase to form a reversed-phase microemulsion; a gradient interface deposition method is adopted, a coating solution A prepared from rosin glyceride and part of ethyl cellulose and a coating solution B prepared from the remaining ethyl cellulose are dropwise added in sequence, and a coating material is sequentially deposited on a core material liquid drop interface through pressure reduction to form a compact bottom layer and a slow-release main body layer; according to the invention, the coating layer is biodegradable, chlorine-free and corrosion-free, through the cooperation of the material ratio and the process, the accurate and controllable delay of the gel breaking time at high temperature is realized, the reservoir is effectively protected, and the fracturing effect is improved.
Owner:XIAN HAORUI ELECTRONICS TECH

Multi-interface water guiding and collecting well

The utility model discloses a multi-interface water guiding and collecting well, and relates to the technical field of collecting wells. The water guide and flow collection well comprises a water guide and flow collection well body, the two sides of the water guide and flow collection well body are each fixedly provided with two symmetrically-distributed connecting mechanisms, the lower surface of the water guide and flow collection well body is fixedly provided with a filtering mechanism, and each connecting mechanism comprises a flow guide pipe. One end of the flow guiding pipe is attached to the water guiding and collecting well body, a control valve is fixedly arranged on the outer side of the flow guiding pipe, and a mounting plate is fixedly arranged on the outer side of the flow guiding pipe. The tight fit between the connecting mechanism and the water guide and flow collection well main body is ensured, so that the whole connecting mechanism can play excellent connecting and flow guide roles in the operation of the water guide and flow collection well.
Owner:GUANGZHOU HUADU DRAINAGE CO LTD

Anti-dead water stainless steel pipe for high-quality drinking water

PendingCN121976589Aeffective toggleReduce water flow residueService pipe systemsWater mainsWater dischargePotable water
The invention relates to a dead water prevention stainless steel pipe for high-quality drinking water, which comprises a first pipe body, the rear end of the first pipe body is connected with a communicating pipe, the rear side of the communicating pipe is communicated with a second pipe body, the rear side of the second pipe body is closed, and the bottom of the second pipe body is communicated with a water outlet pipe. The top of the second pipe body communicates with an arc-shaped pipe, the top of the arc-shaped pipe communicates with a vertical pipe, the top of the vertical pipe is closed, and the top of the first pipe body communicates with an L-shaped pipe. The device has the beneficial effects that the flow dividing structure is arranged, the flow dividing water flow is used for driving the petals to rotate, the water flow is effectively stirred, the dead water prevention performance is improved, when circulation is stopped, flow dividing water flow backflow is achieved through the buoyancy ball and the elastic force of the reset spring, it is ensured that the water flow is fully discharged, the flow guiding effect is optimized, and the function that the petals are manually driven to rotate is synchronously designed; therefore, the dead water prevention efficiency and the flow guide efficiency are further improved.
Owner:QIANJIANG WATER RESOURCES DEV CO LTD +1

Garbage incineration plant top lighting and ventilating structure

The utility model discloses a lighting and ventilating structure at the top of a waste incineration plant, which relates to the technical field of plant lighting and comprises a lighting and ventilating structure. The lighting and ventilating structure is provided with a steel structure frame, and a lighting plate is arranged on the top of the steel structure frame. A side daylighting panel is arranged below the daylighting panel; an inclined daylighting panel is arranged below the side daylighting panel; and a shutter and a color steel plate are arranged below the inclined daylighting panel. In rainy days, the color steel plate can prevent rainwater from splashing into the plant when the top of the plant is flapped, so that a better waterproof effect is achieved; the shutters are arranged above the color steel plates and are higher than the roof of the plant, so that the situation of splashing of rainwater is avoided; ventilation during garbage fermentation in the plant is also facilitated; and a certain ventilation gap is reserved between the side daylighting panels, so that light can penetrate through the side daylighting panels to enter the plant, and meanwhile, the overall ventilation effect of the plant is also improved.
Owner:NANNING SANFENG ENERGY CO LTD

A split belt conveyor

The utility model belongs to the technical field of conveyer, specifically is a kind of split flow belt conveyor, including first belt conveyor;One pair of side plates is installed in the side wall of first belt conveyor;Openings are formed in the middle of side plate;Split flow plate is installed in the opening;The split flow plate is triangular structure;Material guide groove is fixedly connected in the side wall of side plate;Second belt conveyor is installed in the side wall of side plate;Second belt conveyor is correspondingly arranged with opening;Adjusting assembly and buffer assembly are arranged on the top of first belt conveyor;Split flow plate is installed on buffer assembly;Through the above structure, opening, second belt conveyor and split flow plate are set, coal mine conveyed on first belt conveyor can be split flow conveyed to both sides by split flow plate, so as to convey coal mine to two processing equipment or transport equipment, can reduce coal mine to be conveyed to same position, cause coal mine to be accumulated when conveying capacity is larger.
Owner:INNER MONGOLIA YIDONG GRP HONGXIN COAL CO LTD

A cooling structure, a spoiler unit and a turbine blade

The utility model relates to a cooling structure, turbulence unit and turbine blade relates to aircraft technical field to solve the problem of turbine blade trailing edge cooling performance is poor, radial distribution uneven in the prior art. The cooling structure of the utility model, including turbulence rib and turbulence column, the periphery of turbulence rib sets at least 2 turbulence columns. The utility model can increase the contact area between turbine blade pressure side wall surface and suction side wall surface, thereby enhancing the pressure -bearing capacity of turbine blade, and promoting structural strength.
Owner:CHENGDU LANTHANDONG TECHNOLOGY CO LTD

Gas-liquid separator with embedded spoilers

The utility model provides a gas-liquid separator with an embedded spoiler, which relates to the technical field of gas-liquid separation equipment and comprises a barrel, a support plate is arranged in the barrel, a fixing groove is arranged on the surface of the support plate, a rotating shaft is arranged on the surface of the fixing groove, a spoiler component is arranged on the surface of the rotating shaft, and a damping shaft is arranged at the end of the spoiler component. The rotating shaft, the damping shafts and the turbulent flow assemblies are arranged in a linear array mode, the adjacent turbulent flow assemblies are rotationally connected through the damping shafts, through holes are formed in the surfaces of the turbulent flow assemblies, and fixing bolts are arranged on the surfaces of the turbulent flow assemblies. Liquid introduced from the upper portion is buffered and shunted through the three layers of turbulent flow assemblies, same-frequency resonance damage to the barrel caused by large inflow flow pressure is avoided, the service life of the barrel is prolonged, meanwhile, the turbulent flow assemblies can be rotationally adjusted through the rotating shafts and the damping shafts, and personnel can flexibly adjust the angles of the turbulent flow assemblies according to actual working conditions.
Owner:HUBEI CHUYU PETROCHEMICAL EQUIP CO LTD

A flow dividing runner structure and a plate flow divider using the same

ActiveCN224415823UConsistent outputreduce volumeMechanical engineeringMechanics
The utility model discloses a kind of equal distribution runner structure and the plate-type flow divider using this structure, it includes total feed channel, the middle part of the discharge port of total feed channel is connected with the first vertical channel, one end of first vertical channel is connected with one end of first horizontal channel, the other end of first vertical channel is connected with one end of second horizontal channel;The other end of first horizontal channel is connected with first channel group, the other end of second horizontal channel is connected with second channel group, the final discharge end of first channel group is even, first horizontal channel is horizontal straight channel, the final discharge end of second channel group is odd except 1, second horizontal channel is inclined channel, total feed channel is inclined channel;It can be gradually divided into equal distribution to meet the number of discharge end of non-2 N power of material entered total feed channel, ensure that the discharge amount of material discharged from all discharge end is substantially consistent, greatly improve the effect of shunting.
Owner:ACTION STAR TECH CO LTD

Cleaning device used after shot blasting of workpiece

The utility model discloses a device for cleaning workpieces after shot blasting, which belongs to the technical field of frame processing and comprises a bottom plate, a cleaning component and a blanking and shunting component. The cleaning assembly comprises a placing vibration component used for placing a frame and conducting vibration cleaning, an adjustable air spraying component used for spraying air to the frame to conduct cleaning and a rotating component used for driving the adjustable air spraying component to rotate around the frame to conduct multi-directional air spraying, and the placing vibration component is installed on the bottom plate. The rotating part is connected with the blanking and shunting assembly; the adjustable air injection component comprises an air injection structure and an adjusting structure. Through the arrangement of the rotating component and the adjustable air injection component, air injection can be carried out on the frame from multiple angles, shots and chippings left on the frame are blown off, it is ensured that no dead angle exists in cleaning, the cleaning effect is further improved by being matched with the vibration component, the labor cost is reduced, and the cleaning efficiency is improved.
Owner:CHONGQING HONGFEIYI TECH CO LTD

Divided-flow land preparation machine

The utility model discloses a split-flow type soil preparation machine, relates to the technical field of agricultural machinery, overcomes the defect that in the prior art, when a soil preparation machine rectifies sand land, equipment redundancy is caused, and the technical scheme for solving the problem is mainly that the split-flow type soil preparation machine is characterized in that a traction frame is installed in front of a rack, and conveying wheels are installed below the rack; a left folding frame and a right folding frame are installed on the two sides of the machine frame respectively, an inner eight front inner soil guiding flow divider and an inner eight rear inner soil guiding flow divider are sequentially arranged below the machine frame from front to back, and the lower portion of the left folding frame and the lower portion of the right folding frame are each provided with a flow dividing scraper to form an outer eight front outer soil guiding flow divider. Soil scraping plate assemblies which are gradually inclined downwards from front to back and can adjust the soil scraping depth are arranged below the rack, the left folding frame and the right folding frame respectively, the soil scraping plate assemblies are arranged on the rear side of the rear inner soil guiding flow divider, and the pressing roller assemblies are arranged on the rear sides of the soil scraping plate assemblies. The soil preparation machine has the advantages of being small in pulling resistance and low in manufacturing cost.
Owner:ARALBO SHIRAN AGRI MASCH TECH CO LTD

Non-woven fabric and auspicious cloud wave pattern embossed road structure thereof

The utility model provides a non-woven fabric and an auspicious cloud sea wave pattern embossed road structure thereof, which belong to the technical field of hygienic products and comprise a plurality of surface three-dimensional components used for improving the wiping effect, wavy shading used for connecting the adjacent surface three-dimensional components and character components used for displaying characters. The shape of the surface three-dimensional assembly is a cloud wave cluster, the center divergence type design is adopted, the bionic lines are combined, and the concave structure is similar to anus lines. In the wiping process, wiping is conducted in a staggered mode by attaching to anus skin wrinkles, the wiping efficiency is improved, and the deep cleaning effect is achieved; the wavy shading lines are more and are arranged according to a clockwise 30-degree longitudinal rule, and the width spacing is scaled in equal proportion, so that a drainage effect can be achieved when dirt is wiped; when liquid dirt is wiped, the directional raised grains can guide liquid to diffuse along the grains, and accumulation and permeation of the dirt on the surface of the spunlace cloth are reduced.
Owner:HENAN YEESAIN HEALTH TECH CO LTD

Garbage sorting treatment device

ActiveCN224127832UEfficient classification and screeningefficient screeningSievingScreeningWaste processingEnvironmental engineering
The utility model discloses a garbage sorting treatment device which is characterized by comprising a bottom frame and a garbage sorting treatment box which is arranged on the bottom frame in a turnover mode through an air cylinder telescopic assembly. The garbage sorting treatment box comprises a rectangular outer frame with an upper opening and a lower opening, staggered leakage rows are obliquely arranged in the rectangular outer frame, are arranged in the rectangular outer frame side by side in a high-low mode and are provided with leakage holes, and an upper channel is formed by the staggered leakage rows on the side close to the air cylinder telescopic assembly and the bottom frame. The side, away from the air cylinder telescopic assembly, of the staggered leakage row and the bottom frame form a lower channel, and hanging teeth are arranged on the upper end face of the staggered leakage row in a protruding mode. The garbage sorting treatment device is simple in structure, convenient to operate and high in efficiency, effective separation can be carried out according to the size and property of garbage, the garbage treatment efficiency and quality can be improved, and meanwhile environmental pollution is reduced.
Owner:WEIHAI JIAZHIAN INTELLIGENT TECH CO LTD

An assembled precast concrete slab pavement applied to soft soil area

The application discloses an assembled prefabricated concrete slab road surface applied to a soft soil area, which comprises a soft soil layer, a base soil layer, a sand cushion layer and a prefabricated slab layer which are sequentially arranged on the soft soil layer from bottom to top; wherein the prefabricated slab layer comprises a plurality of first prefabricated slabs and second prefabricated slabs, and a water guide unit is arranged on the prefabricated slab layer; the base surface is formed by arranging the base soil layer and the sand cushion layer on the soft soil layer, so that the condition that the prefabricated slab layer bottom is suspended and broken after being rolled by heavy vehicles in the later use process can be avoided, and good temporary support conditions are provided; meanwhile, the water guide unit arranged between the prefabricated slab layers can prevent a large amount of rainwater from entering the sand cushion layer from the connecting gap of the prefabricated slab layer in rainy days, and then seeping into the base soil layer and the soft soil layer, so that the deformation of the underlying base layer caused by water seepage is avoided, and the condition that the support conditions are deteriorated is avoided.
Owner:CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD

Fresh air module and air conditioning device

ActiveCN224479780URealize transmissionImprove the diversion effectFresh airEnvironmental engineering
The utility model relates to a kind of fresh air module and air conditioning equipment, the fresh air module includes casing, fan and air pipe, the casing is equipped with first air port, the fan is located in the casing, the fan is equipped with air inlet and air outlet passage, the air pipe is connected with the casing, the air pipe is equipped with second air port The fresh air module is switchable between exhaust mode and fresh air mode, in the exhaust mode, the first air port air inlet, the first air port is communicated with the air inlet, the air outlet passage is communicated with the second air port, the second air port air outlet in the fresh air mode, the second air port air inlet, the second air port is communicated with the air inlet, the air outlet passage is communicated with the first air port, the first air port air outlet.The indoor air outlet and indoor air inlet of the fresh air module of the utility model can share an air port, structure design is simple, and it is favorable to improve user experience.
Owner:XIAOMI TECH (WUHAN) CO LTD +2

Fishway with rotary subsidence type resting pool

ActiveCN121138233BOvercome the industry problem of too lengthy vertical layoutImprove space layout efficiencyStructural engineeringFish ladder
The present application relates to the technical field of ecological protection of water conservancy and hydropower, and particularly relates to a fishway with rotary subsidence type rest pools, which comprises a vertical joint type fishway arranged on a bank slope on one side of a dam, and a fishway pool chamber is formed between two adjacent fishway partitions of the vertical joint type fishway; the vertical joint type fishway further comprises a plurality of rest pools arranged at intervals along the running direction of the vertical joint type fishway; the rest pools are arranged at positions below the fishway bottom plate; an opening is arranged on one fishway side wall to serve as a rest pool inlet, and the rest pool inlet and the rest pool are connected through a first arc-shaped channel; an opening is arranged on the other fishway side wall to serve as a rest pool outlet, and the rest pool outlet and the rest pool are connected through a second arc-shaped channel; a flow guide pipe is connected to each rest pool to guide water in the rest pool to a river channel downstream of the dam. The rest pools of the fishway are arranged in a rotary subsidence type, which breaks the industry problem of long fishway layout caused by the series arrangement of the traditional rest pools and the fishway pool chambers.
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD

Embedded air intake structure and aircraft

ActiveCN115973428BImprove the diversion effecteasy accessCamouflage devicesDrag reduction
This invention provides an embedded air intake structure, relating to the field of flight equipment. It includes an air intake body with a bottom wall and an air inlet. The bottom wall of the air intake body is fixedly connected to the trailing edge of an aircraft wing. The upper surface of the bottom wall of the air intake body is streamlined, allowing for a smooth transition with the upper surface of the wing. The opening of the air intake body near the wing end serves as the air inlet. When the aircraft is in horizontal flight, the air inlet is located above the bottom wall of the air intake body and below the highest point of the upper surface of the wing. This invention also provides an aircraft, including a wing, a fuselage, and the aforementioned embedded air intake structure. The bottom wall of the air intake body is fixedly connected to the trailing edge of the wing, and the wing is fixedly connected to the fuselage. The embedded air intake structure and aircraft provided by this invention can improve air intake efficiency, reduce strong radar echoes, and improve radar stealth performance.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS