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59results about How to "Increase compaction" patented technology

High-frequency pulsed jet flow resonance well drilling device and well drilling method thereof

The invention relates to a high-frequency pulsed jet flow resonance well drilling device and a well drilling method thereof. The high-frequency pulsed jet flow resonance well drilling device comprises an outer steel jacket, wherein one end of the outer steel jacket is connected with an upper adapter; the other end of the outer steel jacket is connected with a lower adapter; the upper adapter is connected with a drill collar by a thread; the lower adapter is connected with a drill by the thread; a small hydrogenerator, a density logger, an acoustic logger, a controller and an ultrasonic transducer are successively installed from top to bottom in the outer steel jacket; the small hydrogenerator is composed of a blade and a generator; the blade is installed above the generator; the ultrasonic transducer comprises a fixed end, a transducer and an amplitude transformer; the position on the outer steel jacket, which corresponds to the amplitude transformer, is provided with a necking section; the density logger, the acoustic logger and the controller are mutually separated by cushion blocks; and after the density logger, the acoustic logger and the controller are connected, the inner cavities of the density logger, the acoustic logger and the controller are communicated to form a well drilling fluid path. According to the high-frequency pulsed jet flow resonance well drilling device, the mechanical drilling speed is drastically improved, the improvement amplitude is 1-2 times, and the well drilling cost is effectively lowered.
Owner:NORTHEAST GASOLINEEUM UNIV

Specially-prepared large-diameter sand filling model device for physical simulation experiments and method thereof

The invention discloses a specially-prepared large-diameter sand filling model device for physical simulation experiments and a method thereof, wherein the device includes a model pipe body; the modelpipe body comprises a main pipe body; the main pipe body is a cut-through pipe body, the left end and the right end of the main pipe body are respectively blocked with a left pipe end seal cover anda right pipe end seal cover; the inner end face of the left pipe end seal cover is provided with a left screen pressing plate, and a coarse screen and a fine screen are respectively mounted between the inner end face of the left pipe end seal cover and the left screen pressing plate; a right screen pressing plate is mounted at an inner end face of the right pipe end seal cover, and a coarse screenand a fine screen are respectively mounted between the inner end face of the right pipe end seal cover and the right screen pressing plate; the main pipe body is provided with a simulation injection-production well hole or a pressure measuring hole. The device and the method not only can simulate the edge-bottom water characteristics of an actual oil reservoir, but also can simulate the artificial gas-cap drive characteristics of a mine field.
Owner:CHINA PETROLEUM & CHEM CORP +1

Ecological potassium fertilizer and preparation method thereof

The invention belongs to the field of crops fertilizers and in particular relates to an ecological potassium fertilizer and a preparation method of the ecological potassium fertilizer. The ecological potassium fertilizer is mainly prepared from potassium sulfate, pine bark, humic acid, urea and natural minerals. The pine bark is treated firstly to remove substances harm to the crops, and then the treated pine bark is mixed with potassium sulfate, humic acid, urea and natural minerals to obtain the ecological potassium fertilizer. The ecological potassium fertilizer mainly adopts natural organic matters and is environment-friendly, the quick-acting fertilizer can be provided for promoting the rapid growth of the crops, and the loss of a great amount of potassic fertilizer in soil can be avoided; and besides, the soil is improved, the soil caking phenomenon is improved, the organic matters in the soil are increased, the microorganism activity is improved, the stress-resistant and disease-resistant capability of the crops is improved, the successive cropping obstacle can be relieved after the fertilizer is applied year by year, the quality of agricultural products is improved, the environment pollution is reduced, and the ecological potassium fertilizer is safe and non-toxic to human, livestock and environment and is environment-friendly.
Owner:CHENDU NEW KELI CHEM SCI CO LTD

High-activity nitro humic acid compound fertilizer and preparation method thereof

The invention belongs to the field of fertilizer, and particularly relates to high-activity nitro humic acid compound fertilizer and a preparation method thereof. The method comprises the preparationsteps that 5 to 7 parts of lignite are put into a reaction kettle; 0.001 part of rhamnolipid is added; then, dilute nitric acid is added for performing oxidizing reaction; then, ammonium bicarbonate is added; the pH is regulated to be 6 to 7; next, aging is performed for 4 to 6h to obtain nitro humic acid; meanwhile, bacillus amyloliquefaciens is diluted by water into a bacterium suspension with the effective bacterium content being 1*10<7>cfu / ml; the bacterium suspension is inoculated to the organic fertilizer; a fermentation filling material is prepared; the nitro humic acid, the fermentation filling material, ammonium nitrate, monoammonium phosphate and potassium sulphate are uniformly mixed, and are put into a pelletizer; steam is introduced, and sulfuric acid and ammonia gas are introduced; pelleting is performed to obtain the nitro humic acid compound fertilizer. The preparation method is simple; the lignite activation degree is high; the prepared compound fertilizer can effectively improve the crop yield; the hardening degree of the soil is effectively improved; the utilization rate of the fertilizer is improved.
Owner:CHONGQING HUAQIANG ECOLOGICAL FERTILIZER IND CO LTD

Frame beam ecological slope protection structure and construction method

The invention provides a sash girder ecological slope protection structure and a construction method of the sash girder ecological slope protection structure, and belongs to the field of environmental protection. The sash girder ecological slope protection structure comprises sash girders and anchor rods or anchor cables for fixing the sash girders, straw bags containing soil are stacked in each sash formed by the sash girders and are flush with the sash girders, the straw bags containing the soil are covered with plastic nets or metal nets and are fixed to the fixing anchor rods, and base layers and surface layers are arranged on the straw bags. The anchor cables or the anchor rods and the concrete sashes are arranged on a side slope firstly, then the straw bags filled with the planting soil are stacked in the sashes layer by layer, the straw bags are fixed through the plastic nets or the metal nets, finally, dry type spray seeding is carried out, and the base layers with straw-decomposing inoculants and the surface layers with plant seeds are formed. Plants grow out of the surface layers. The straw bags are used for replacing ecological bags which are made of high polymer materials and are frequently used in engineering, and manufacturing cost is greatly lowered. The structure is reasonable, the number of construction procedures is small, and the total construction period is short.
Owner:HUBEI UNIV OF TECH

Reinforcement testing and optimizing method based on compaction effect

ActiveCN108797554AFacilitate a unified quantitative descriptionImprove the compaction effectIn situ soil foundationEngineeringEnergy loss
The invention discloses a reinforcement testing and optimizing method based on a compaction effect. The method optimizes the shape of a pounder and the pounding times through drilling, arrangement ofsoil pressure boxes into drilled holes and pounding of soil in the drilled holes by using the pounder. The pile periphery stable compaction force and the pile bottom compaction force are measured through the soil pressure boxes to solve the problem how to measure the compaction effect of the pounder; through the relation among the compaction force, the soil compaction coefficients and the poundingenergy, a method for optimizing the shape of the pounder, the pounding times and the drop distance of the pounder is provided to solve the problem which compaction tool can obtain optimal compactioneffect under the lowest compaction energy; and the relation between pile body compaction coefficients and a micro inserter is built, and a method for measuring the pile body compaction coefficients byinsertion resistance is provided, so that the disturbance on pounding piles is reduced, and the energy loss in the pounding process is reduced. Based on the principle of basically not increasing thecompaction force when the compaction energy is the lowest and the pounding times do not exceed one time, an optimal combination suitable for existing railway is provided.
Owner:EAST CHINA JIAOTONG UNIVERSITY

A special large-diameter sand filling model device and method for physical simulation experiments

The invention discloses a specially-prepared large-diameter sand filling model device for physical simulation experiments and a method thereof, wherein the device includes a model pipe body; the modelpipe body comprises a main pipe body; the main pipe body is a cut-through pipe body, the left end and the right end of the main pipe body are respectively blocked with a left pipe end seal cover anda right pipe end seal cover; the inner end face of the left pipe end seal cover is provided with a left screen pressing plate, and a coarse screen and a fine screen are respectively mounted between the inner end face of the left pipe end seal cover and the left screen pressing plate; a right screen pressing plate is mounted at an inner end face of the right pipe end seal cover, and a coarse screenand a fine screen are respectively mounted between the inner end face of the right pipe end seal cover and the right screen pressing plate; the main pipe body is provided with a simulation injection-production well hole or a pressure measuring hole. The device and the method not only can simulate the edge-bottom water characteristics of an actual oil reservoir, but also can simulate the artificial gas-cap drive characteristics of a mine field.
Owner:CHINA PETROLEUM & CHEM CORP +1

Method for restoring steep slopes of mining area by mechanical spraying of lime neutralizing sludge slag

The invention relates to a method for restoring steep slopes of a mining area by mechanical spraying of lime neutralizing sludge slag. The method comprises the following steps and conditions of addingtailing slag into the lime neutralizing sludge slag, mechanically stirring according to a mass ratio of 100:(70 to 300), and uniformly mixing, so as to obtain a mixed material a; adding an organic fertilizer, a composite fertilizer and grass seeds into the mixed material a, mechanically stirring according to a mass ratio of 100:(2 to 6):(0.1 to 0.3), and uniformly mixing, so as to obtain a mixedmaterial b; screening the mixed material b by a vibration screen, grading the coarse and fine materials, enabling the material under the screen to fall into a material bin of a spraying machine, and using as a dry powder mechanical spraying material; enabling a pipeline and pressure air flow to convey the spraying material to perform dry powder mechanical spraying on the area requiring ecologicalrestoration; covering a nonwoven fabric onto the sprayed area, and performing proper servicing management on the area according to the local climate environment. The method has the advantages that theneutralizing sludge slag can be applied to the dry powder mechanical spraying, the 'guest soil' material is protected, the loss of water and soil is prevented, the energy-saving and consumption-decreasing effects are realized, the method is suitable for the rooting, germinating and later fertilizer applying and caring of the plant grass seeds, the ecological environment benefit is good, and the like; the method is suitable for being applied into the field of ecological restoration of the mine areas.
Owner:ZIJIN MINING GROUP +1

Electronic component manufacturing equipment

The invention discloses electronic component manufacturing equipment which comprises an operation table, a supporting column is fixedly connected to the bottom of the operation table, a bottom mold is installed at the top of the operation table, a supporting frame is fixedly connected to the top of the operation table, an upper mold is installed at the bottom of the supporting frame through an oil cylinder, and an injection molding pipe is installed at the top of the upper mold. The injection molding pipe penetrates through the upper mold and extends to the interior of the upper mold; and a heating device, a sealing device and a material pressing device are arranged above the operation table; and the invention relates to the technical field of electronic product production. According to the electronic component manufacturing equipment, the purpose of reducing the defective rate is achieved, the problem that a chip is prone to being damaged due to the fact that the distance between heating equipment and the chip is short is solved, plastic package material overflow in the chip plastic package process can be reduced, the processing difficulty after chip plastic package is lowered, the requirement for the sealing performance of the equipment is lowered, and the cost of the equipment is lowered; the plastic packaging density of the chip can be increased, and the plastic packaging quality of the chip can be improved.
Owner:张家港谱析传感科技有限公司

Hydraulic control system of garbage truck, garbage truck and hydraulic control method of garbage truck

The invention provides a hydraulic control system of a garbage truck, the garbage truck and a hydraulic control method of the garbage truck. The hydraulic control system comprises a main oil supply passage, a push shovel oil cylinder, a sliding plate oil cylinder and a first pressure control valve, wherein the push shovel oil cylinder is used for driving a push shovel of the garbage truck to stretch out and draw back; the sliding plate oil cylinder is used for driving a sliding plate of the garbage truck to linearly move in the axis direction of a piston rod of the sliding plate oil cylinder, and the push shovel oil cylinder and the sliding plate oil cylinder are arranged on the main oil supply passage in parallel; an inlet of the first pressure control valve is communicated with a rodless cavity of the push shovel oil cylinder, an outlet of the first pressure control valve is communicated with an oil tank, and the control end of the first pressure control valve is communicated with a driving cavity of the sliding plate oil cylinder; and when the pressure value of the driving cavity of the sliding plate oil cylinder reaches a first preset value, the inlet of the first pressure control valve is communicated with an outlet of the first pressure control valve so as to adjust the pressure of the rodless cavity of the push shovel oil cylinder. According to the technical scheme, the hydraulic control system can adjust the back pressure of the push shovel so as to improve the compaction degree of garbage.
Owner:洛阳广通汽车有限公司 +1

Fruit and vegetable residual pesticide detection system

The invention relates to the technical field of pesticide detection, in particular to a fruit and vegetable residual pesticide detection system which comprises a separation mechanism, a squeezing mechanism and a stirring mechanism, the squeezing mechanism is installed on the separation mechanism, and the stirring mechanism is installed in the middle of the squeezing mechanism. The separation mechanism comprises a bottom plate, mounting holes, an inner sleeve, an outer sleeve, filter holes, a vertical groove, a rotating pin, a discharge pipe, a sampling pipe, a sampling valve, a flow guide pipe, a regulating valve, a side plate and a top plate, the inner sleeve is fixedly connected to the upper side of the bottom plate, and a plurality of mounting holes are formed in the edge of the bottomplate. According to the fruit and vegetable residual pesticide detection system, the first motor can drive the lifting plate to move up and down in a threaded mode, and when the lifting plate pushes the upper pressing plate to move downwards, the lower pressing plate can be driven to move upwards through the inclined rod and the seesaw, then fruits and vegetables are squeezed, juice can be discharged from the filtering holes and temporarily stored in the gap between the inner sleeve and the outer sleeve after being discharged, and detection and sampling can be conducted only by opening the sampling valve.
Owner:曹方芹

Environment-friendly biomass fuel particle forming device

InactiveCN112280607AIncrease temperaturePrevent the problem of loose shapeBiofuelsSolid fuelsEngineeringMechanical engineering
The invention belongs to the technical field of biomass fuel particle forming devices, and particularly relates to an environment-friendly biomass fuel particle forming device. The device comprises abody; the upper surface of the machine body is fixedly connected with a feeding bin; a rotating rod is rotationally connected into the inner wall of each supporting plate through a motor; uniformly arranged rotating blades are fixedly connected into the inner wall of each rotating rod; a partition plate is fixedly connected to the position, below each supporting plate, in the inner wall of the body; and uniformly arranged extrusion roller groups are rotationally connected into the inner walls of the two sides of the partition plates through rotating shafts. The biomass fuel particle forming device is mainly used for solving the problems that an existing biomass fuel forming device carries out forming by pressing raw materials out of screen holes through large pressure, however, by means ofthe mode, the needed pressure is too large, the load on a pressing plate of the forming device is large when the forming device works for a long time, and therefore the forming device is prone to being damaged, and meanwhile, a sieve pore plate for shaping deforms under the action of large extrusion force for a long time, so that the shaping effect of the raw materials is influenced.
Owner:安徽农腾新能源科技有限公司

Microbial remediation agent based on bacterial strain 1JN2, and preparation and application methods thereof

The invention relates to a microbial remediation agent based on a bacterial strain 1JN2. The microbial remediation agent comprises the following raw materials in parts by weight: 12-15 parts of biochar, 3-6 parts of a silkworm excrement organic fertilizer, 3-5 parts of a composite microbial agent, 0.5 to 1 part of amino acid, 0.5 to 1 part of a biological growth promoter and 0.5-1 part of a slow release oxidant, wherein the composite microbial agent comprises a stress-resistant strain 1JN2 and EM bacteria. The microbial remediation agent is prepared through the following steps: respectively preparing two microbial agents, mixing two microbial agents with the biochar for fermentation, and mixing an obtained material with the silkworm excrement organic fertilizer, the amino acid, the biological growth promoter and the slow release oxidant. The application method comprises the following steps: spreading the microbial remediation agent based on the bacterial strain 1JN2 onto the surface layer of to-be-treated soil, deeply ploughing the soil to a depth of 500 mm by using an excavator, respectively ploughing the soil twice in a longitudinal direction and a transverse direction, and covering the soil with a layer of thin sandy soil. With the microbial remediation agent based on the bacterial strain 1JN2, and the preparation method and the application method thereof in the above-mentioned technical scheme of the invention, the problem of heavy metal pollution of the soil can be fundamentally solved; and the preparation method is simple and convenient, has low cost and facilitates large-scale production and preparation.
Owner:HUAIYIN TEACHERS COLLEGE

Shoelace threading cap type overlying strata separation layer grouting settlement reduction method

The invention relates to a shoelace-penetrating cap type overlying strata separation layer grouting subsidence reduction method, which is characterized in that three layers of grouting layers are designed, and comprise a main grouting layer positioned near 120 m of the upper part of a coal seam, a bottom plate grouting layer in a bottom plate rock layer of the coal seam and a secondary grouting layer arranged below a main key layer. The grouting drilling open hole section is constructed to a coal seam roof rock stratum, an intermediate casing pipe is arranged in the grouting drilling open hole section, and a grout stopping device is arranged outside the intermediate casing pipe; grouting is conducted on the main grouting layer through the grouting drilling space outside the intermediate casing; in the lagging working face, grouting is conducted on the bottom plate grouting layer through an inner cavity of the technical casing, and holes are drilled for grouting and shoe wearing is conducted; perforation is carried out at the position, located at the secondary grouting layer, of the technical casing, grouting is carried out on the secondary grouting layer through an inner cavity of the technical casing and a grouting drilling space outside the inner cavity of the technical casing, and capping is carried out on a grouting drilling hole; at the moment, the grouting drill hole is a supporting pile comprising a casing pipe, the supporting strength on a key layer can be improved, the delayed sinking phenomenon possibly generated after the implementation of the separation layer grouting sinking reduction technology is avoided, and effective control over surface collapse is achieved.
Owner:ANHUI UNIV OF SCI & TECH

Vertical-shaft-type drilling technology for uranium mine in steeply-dipping and dewatered clastic rock formation and application

The invention discloses a vertical-shaft-type drilling technology for a uranium mine in a steeply-dipping and dewatered clastic rock formation and application. A vertical-shaft-type drilling machine is adopted to be matched with a rope coring drilling technology, then a drilling assembly is adopted, and feasibility dynamic optimization of drilling engineering parameters is conducted. The vertical-shaft-type drilling technology comprises the steps that the drilling technology is adjusted according to an actual drilling formation in the area where drilling engineering is located; the drilling assembly is adjusted according to the hardness of rock; and the drilling parameters are adjusted according to the depth of the formation and the difference of diagenetic degrees, feasibility dynamic optimization of the drilling engineering parameters is conducted, and dynamic optimization of the rotation speed, the bit pressure and the pump volume is included. By adopting the drilling technology provided by the invention, practicability is achieved, drilling performance is stable, operation is highly controllable, the drilling risk is greatly reduced, and the construction efficiency is greatly improved.
Owner:中广核铀业新疆发展有限公司 +1

Paving construction method for greening garden landscape pavement engineering

PendingCN114016355AImprove the efficiency of laying constructionGuaranteed compaction depthSingle unit pavingsRoad cleaningStructural engineeringGreening
The invention discloses a paving construction method for greening garden landscape pavement engineeringd, and relates to the technical field of landscape pavement construction. According to the paving construction method for the greening garden landscape pavement engineering, the processes of cement mortar paving, cement mortar compacting and leveling, cobblestone paving, cobblestone compacting and sweeping and dust removing are completed through the paving construction device for the greening garden landscape pavement engineering, and multiple functions are integrated in the paving construction device; semi-automatic paving construction of greening garden landscape pavement engineering is facilitated, the paving construction efficiency is improved, the flatness of cement mortar and the compaction depth of cobblestones are guaranteed, and the cobblestones are prevented from falling off; and the cleanliness of the road surface after construction is guaranteed through sweeping and dust removal. A cobblestone laying mechanism enables a feeding cavity, a storage tank and an adjusting cavity to move horizontally, the falling positions of cobblestones from falling holes are adjusted conveniently, the requirements of different cobblestone laying patterns are met, the falling holes with different hole diameters meet the requirements of cobblestones with different sizes, and the cobblestones are prevented from blocking the falling holes.
Owner:安徽海兴生态科技有限公司
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