209results about How to "Increase the degree of fragmentation" patented technology

By aiming at the problems in the existing alginate-derived oligosaccharide extraction, the invention provides a production process for extracting alginate-derived oligosaccharide from sea tangles. A novel process for extracting alginate-derived oligosaccharide from sea tangles by an enzyme hydrolysis method comprises the nine steps of sea tangle powder preparation, soaking, cellulose enzymolysis, digestion, centrifugal filtration, bleaching, sodium alginate lyase enzymolysis, high-speed centrifugal fine filtration and alcohol dehydration. Compared with the existing alginate-derived oligosaccharide extraction process with the yield being 14-15 percent, the novel process has the advantages that the yield is 17-18 percent and is improved by 3 to 4 percent, meanwhile, the process steps are simplified, the use of chemical reagents is reduced, and the product appearance is more attractive.

The present invention relates to the technology of chemical reactor. The equipment includes transmission mechanism, pin wheel, aerator, liquid sprayer, slurry compounding device, light phase skimmingdish and decanter. The present invention has composite pin wheel stirrer and thus the small start power consumption, efficient shearing aeration and chemical dispersion and high mass-transferring andreaction efficiency. In the present invention, vortex centrifugation is applied to complete simultaneous clarification, floatation and separation. The present invention may be used in neutralization,oxidation, reduction, chemical reaction, stripping, etc.

The invention relates to a micro-nano bubble oxygenation drip irrigation system and a micro-nano bubble oxygenation drip irrigation method. The system comprises a water inlet main pipe, wherein the water inlet main pipe is connected with two branches in parallel, and a first branch is sequentially connected with a water pump, a pressure stabilizing tank and a pipe pump; a spray nozzle which stretches into the pressure stabilizing tank is arranged at an inlet end of the pressure stabilizing tank, and a pressure stabilizing valve is arranged at the top of the pressure stabilizing tank; a pressure gauge is arranged on an outlet pipeline of the pipe pump; a flow regulating valve and a pressure gauge are sequentially connected onto a second branch; the two branches converge to form a water outlet main pipe; the position, at an inlet of the water pump, of the first branch is connected with an outlet of an air pump through an electromagnetic valve and an inlet of the air pump is respectively connected with a pure oxygen source and an ozone source; a one-way valve and a gas flowmeter are sequentially arranged between the pure oxygen source and the air pump; a one-way valve and a gas flowmeter are sequentially arranged between the ozone source and the air pump; the pipe pump is electrically connected with a frequency conversion cabinet, the frequency conversion cabinet is electrically connected with a power distribution box through an electromagnetic valve and the power distribution box is electrically connected with a programmable controller; the flow regulating valve, the pressure gauges, the electromagnetic valves, the gas flowmeters, the water pump, the pipe pump and the power distribution box are respectively and electrically connected with the programmable controller.

The invention discloses a blasting method for treatment of a gob. The blasting method comprises the following steps: step 1, determining the length and the width of rock formation at the upper part of the gob through tentative drilling, wherein the central axes of blast holes are not perpendicular to the plane where the rock formation lies; step 2, burying explosive and in-hole delay detonators in the blast holes; and step 3, placing an earth surface delay detonator on the earth surface of each blast hole, correspondingly connecting the earth surface delay detonators and the in-hole delay detonators, and igniting the earth surface delay detonators. According to the blasting method for treatment of the gob, provided by the invention, the blast holes that are not perpendicular to the rock formation are drilled on the rock formation at the upper part of the gob, and the delay detonators are buried in the blast holes, so that when the detonators are ignited, the bursting force generated radially acts on the rock formation along the blast holes, then pinpoint blasting is formed and a part of blasting volume is thrown into a waste dump; and the blasting method has the advantages that the shaking force is larger, the breaking degree is higher, the rock formation at the upper part of the gob collapses more completely, the working safety and the stripping efficiency are improved, and a great amount of manufacturing cost is saved because a part of blasting volume is thrown into the waste dump.

The invention discloses a garbage disposal device for improving the disposal fragmentation degree. The device comprises a base, a smashing box and a receiving frame, wherein the smashing box and the receiving frame are arranged on the base from left to right. A grinding bowl is fixed to the top of the receiving frame. Garbage is smashed and then ground, so that the garbage fragmentation degree isgreatly improved, and convenience is brought to garbage disposal work. Annular blades on smashing rollers on the two sides are staggered, the gap between the annular blades on the two sides is gradually reduced from top to bottom, accordingly, gradual smashing for garbage is achieved, and the smashing effect is ensured. By means of cooperated use of a disc and swing, a grinding roller rolls back and forth on an inner cavity face of the grinding bowl for repeated grinding, and the grinding effect is ensured; and meanwhile due to the fact that the rotating radius of a swing rod is the same as the curvature radius of the bottom face of an inner cavity of the grinding bowl, the grinding roller is always kept to be in fit with the bottom face of the inner wall of the grinding bowl in the swingprocess, and therefore grinding uniformity is ensured.

The invention discloses a device and method for enhancing a coal seam fracturing effect. The device comprises four parts, namely, a connecting rod, a connecting sleeve, an expandable sleeve and a constant-pressure switch; a drilling site is arranged according to a full mechanized mining face and coal seam occurrence conditions, all parts are assembled into a system in sequence according to a figure 1 based on drilling site parameters and the coal seam occurrence conditions, the system is arranged between two hole packers and is connected with a water injection pipe, and then, a high-pressure water injection fracturing process is started. According to the device, the number of hole wall cracks can be increased, the device can be used for changing hydrostatic pressure into pulse loads for injected high-pressure water, so that the crushing degree of rocks is enhanced, the crack density is increased, and the hydrostatic pressure can be used for increasing the lengths of the cracks. The invention aims to increase the air permeability of the coal seam, solve the problem of difficult drainage in low-air-permeability coal seams, and increase the gas drainage rate of the coal seams. The device has the advantages of simplicity, clear concept and convenience in operation.

The invention discloses a kitchen waste crushing device capable of realizing a solid-liquid separation function, and belongs to the field of recycling treatment of household garbage. The device comprises a shell, crushing rods, a discharge port, a cover plate, a base and a liquid drainage pipe, wherein the shell is horizontally arranged above the base; a crushing cavity and a sewage cavity are formed in the shell; the base is arranged right below the shell; the shell is fixedly connected with the base through supporting columns; a feeding device is arranged at the top of the shell; the cover plate is arranged at the left end of the shell; a rotating shaft is horizontally arranged on the center line of the crushing cavity; the left end of the rotating shaft penetrates through the cover plate through a bearing and is connected with a transmission device; a feeding tank is fixedly arranged on the top of the left side of the shell; the interior of the feeding tank is provided with a crushing motor through a fixing frame; and a material guide cone is fixedly arranged at the top end of the crushing motor. According to the kitchen waste crushing device capable of realizing the solid-liquid separation function, the device is reasonable in structural design, low in noise and capable of realizing the solid-liquid separation function for kitchen waste in the crushing process, the kitchen waste is thoroughly and uniformly crushed, and later treatment is facilitated.

The invention provides a sewage treatment aeration device with a plurality of executing mechanisms. The sewage treatment aeration device comprises a barrel body, at least one water diversion pipe, an aeration mechanism and a stirring mechanism, wherein a sewage channel is formed between an outer shell body and an inner shell body of the barrel body; a second end of the water diversion pipe penetrates through the outer shell body and stretches into the sewage channel; a first rotary shaft is internally provided with an aeration cavity; a plurality of aeration pipes are distributed at the periphery of the first rotary shaft; water diversion cavities are arranged in a plurality of second rotary shafts; the quantity of the second rotary shafts is the same as that of driven gears; first ends of the plurality of second rotary shafts penetrate through the plurality of driven gears respectively and stretch into the inner shell body; a hollow shaft is fixedly connected with the driven gears; second ends of the plurality of second rotary shafts are provided with first jet flow pipes and second jet flow pipes respectively; included angles alpha are formed between the first jet flow pipes and the second jet flow pipes, and the first jet flow pipes and the second jet flow pipes are communicated with the water diversion cavities. According to the sewage treatment aeration device provided by the invention, air is uniformly dispersed in sewage by adopting two times of mixing; gas and liquid are sufficiently mixed, so that the oxygen dissolving capability of the injected air is high and the aeration efficiency is high.

The invention relates to crushing, melting and extruding integrated equipment for plastic production. The crushing, melting and extruding integrated equipment for the plastic production comprises a main barrel, a vertical knife, a connecting block, an inlet and a blocking ball. A motor is arranged on the middle portion above the main barrel, and a first rotary shaft is arranged under the motor. Afeed inlet penetrates through the left side of the upper portion of the main barrel. A hydraulic cylinder is arranged on the lower portion of the left side of the main barrel, and a push plate is fixed to the right side of the hydraulic cylinder. A hinge is installed on the left side of the main barrel, and a barrel door is arranged on the left side of the hinge. A main crushing knife with an arc-shape pointed structure is arranged, plastic can be crushed, and thus the melting speed of the plastic is accelerated, the working efficiency is improved. Through the arrangement of a secondary crushing knife and the vertical knife, the degree of plastic crushing can be improved. A filter plate with hollowed-out structure can block the unbroken plastic to ensure that the plastic volume passing through the filter plate conforms to the melting standard, and secondly, a stirring rod is arranged in a saw tooth structure.

The invention discloses a mine rock crusher with an adjustable discharging size. The mine rock crusher comprises a casing, wherein a first-stage feed opening is formed in the upper end of the casing; a crushing cutter is arranged in a position below the first-stage feed opening; first-stage rock crushing rollers and second-stage rock crushing rollers are sequentially arranged at the positions below the crushing cutter; screen cloths are arranged below the second-stage rock crushing rollers; the casing is provided with a sporting opening; a second-stage feed opening is formed in the same side; an elevating device is arranged at a position between the sorting opening and the second-stage feed opening; and a discharge opening is formed in the casing. According to the mine rock crusher disclosed by the invention, by adoption of a multistage crushing mode, the crushing degree of rocks is improved; and the lower-side screen cloth is used for screening, so qualified products are outputted, then unqualified products are crushed for the second time, and cycle machining for multiple times is performed. Meanwhile, the screen cloth disclosed by the invention adopts a mode of combining two screen cloths; and by adjustment of relative positions of the two pieces of screen cloths and change of mesh size of a screen cloth group, multiple output sizes are obtained.

The invention discloses a device for processing a circuit board and recycling iron powder, and the device is applied to the field of motor vehicle hazardous waste treatment. The device comprises a housing which is provided with an opening in upper portion and is in the shape of an inverted cone, and a box body which communicates with the lower portion of the housing, wherein at least two crushingrollers with triangular teeth are sequentially arranged in the housing from top to bottom in the horizontal direction and the perpendicular direction; a pair of grinding hammers is arranged below thecrushing rollers in the perpendicular direction; a communication joint of the housing and the box body is equipped with a filter screen layer for allowing the grinding hammers to grind and operate; and a first belt conveying mechanism, a magnetic-separating roller, a second belt conveying mechanism, a scraper plate and a dryer are arranged below the filter screen layer. At present, recycling for the circuit board of the motor vehicle adopts burning and land-filling or adopts a chemical agent to soak and extract metal elements therein, so that secondary pollution on air and water is generated,the circuit board is not crushed, a space proportion of the waste circuit board is great, and the like. Through a reasonable structural design, the problems can be effectively solved.

Disclosed is a straw crushing mechanism under a corn harvesting machine header. The straw crushing mechanism is installed under the corn harvesting machine header and used for crushing corn straws. A driven wheel, bearing seats and claw-shaped tearing cutters are installed on a main shaft. A fixed cutter assembly is transversely installed at a position close to rotation tracks of the claw-shaped tearing cutters, and fixed cutters on the fixed cutter assembly and the claw-shaped tearing cutters are mutually embedded during rotation. By means of the straw crushing mechanism under the corn harvesting machine header, the straw crushing degree is improved.

The invention relates to a method for controlling the influence range of mining by directional hydraulic fracturing in an underground roadway. The method comprises the following steps that (1) the geological and mining conditions of a working face and the geological conditions of overlying strata of a pre-splitting roadway are obtained, and the boundaries of a surface movement basin are analyzed;(2) according to the grade of surface construction needed to be protected, the width of an enclosing belt is determined and the boundaries of the surface movement basin are controlled; (3) according to the step (2), the boundaries of the surface movement basin are controlled and the pre-splitting heights and locations of the overlying strata are determined; and (4) hydraulic fracturing is carriedout on roofs of the overlying strata according to the pre-splitting heights and positions of the overlying strata determined in the step (3). According to the method for controlling the influence range of mining by the hydraulic fracturing in the underground roadway, the influence range of mining can be reduced, so that the mining damage to the surface construction is eliminated, and the purpose of protecting the surface construction is achieved.

The invention discloses a production line for scrap metal treatment. The production line comprises a treatment area, a sorting area and a controlling area. Scrap sequentially passes through the treatment area and the sorting area, finally work of the whole production line is completed, and beginning and ending of equipment on the whole production line are controlled by computers in the controlling area. The treatment area comprises a dissembling table, a conveyor, a first crusher and a second crusher in sequence and is used for completing dissembling and crushing operation of scrap metal. The sorting area is a main working area of the whole production line and used for recovering valuable metal in the broken scrap step by step and comprises a winnowing machine, a first magnetic separator, a screening machine, a third crusher, a second magnetic separator, a sorter and a packer. According to the production line for scrap metal treatment, intelligent integrated control is adopted, the dynamic condition of the production line is monitored in real time, manual monitoring is reduced, manpower consumption is low, producing efficiency is high, and the recovery rate of the metal is high.

The invention relates to the technical field of soil detection, in particular to a soil heavy metal pollution detection method, which comprises the following steps: 1, soil sample collection: collecting a soil sample near a place where heavy metal pollutants need to be detected through a container; step 2, soil pretreatment: extruding and crushing the collected soil sample through a pretreatment device, removing weeds and stones in the soil after extruding and crushing, and then drying, crushing and sieving the soil from which the weeds and the stones are removed through the pretreatment device; 3, preparing a liquid to be detected. According to the device, through the arrangement of the extruding and sieving device, collected soil is extruded and crushed, so that blocked soil fragments are reduced, meanwhile, the soil fragments are sieved through a filter screen through rotation, the soil fragments fall down, weeds and stones are left, and therefore the weeds and the stones in the soil are removed; and the influence of internal components of weeds and stones on a soil detection result is favorably avoided.

The invention discloses stone crushing equipment. The stone crushing equipment comprises a crushing tank and is characterized in that two symmetrical L-shaped mounting plates, a feeding inlet is arranged in the upper end, between the two mounting plates, of the crushing tank, the lower ends of the mounting plates are jointly connected with a support bottom plate, a first drive motor is mounted among each mounting plate, the support bottom plate and the lateral wall of the crushing tank and arranged on the lateral wall of the crushing tank, two parallel limit blocks are mounted on the drive shaft of each first drive motor, a fixing block is mounted at the part, located between the two corresponding limit blocks, of the drive shaft of each first drive motor, and a limit rod is arranged on the lower side of each fixing block. The stone crushing equipment has the advantages that the stone crushing equipment is convenient to operate and capable of crushing stones twice to increase crushingdegree; compared with manual crushing, the stone crushing equipment can greatly increase crushing efficiency and increase work efficiency.

The invention provides a crushing device and a crushing method for waste PP materials. The crushing device comprises a main body, a charging hopper, a first-stage crushing device, a second-stage crushing device, a third-stage crushing device and a screening device. The first-stage crushing device carries out cutting through sawtooth meshing, the second-stage crushing device carries out crushing through blades, the third-stage crushing device carries out crushing through gears, and the screening device is used for screening cut and crushed waste materials. According to the invention, before the waste materials enter the blades to be cut, a primary crushing device is arranged in a channel, the materials are cut into small parts for the first time, the crushing burden of the blades is relieved, and the service lives of the blades are prolonged. The materials are subjected to primary cutting, secondary blade crushing and third-time gear crushing through many times of crushing procedures, a high crushing degree is achieved, the materials reach a fine powder state after being crushed by the gears, and moreover, the swinging screening device is arranged after crushing, and the powder meeting the particle crushing requirement is screened out for reuse.

The invention discloses a method and device for applying straws with different fragmentation degrees and decomposition degrees into saline-alkali soil in a layered and ex-situ manner. The saline-alkali soil is divided into a plurality of soil layers, straws with different fragmentation degrees and decomposition degrees are applied to each soil layer, the decomposition degree of the straws applied to each soil layer is gradually reduced from top to bottom, and the fragmentation degree of the straws applied to each soil layer is gradually increased from top to bottom; the economic investment of the straws is small, and the effects of the straws in different forms are fully utilized to improve the soil texture of the saline-alkali soil and relieve further salinization of the saline-alkali soil; the device applied to the saline-alkali soil comprises a rack, a plurality of material storage boxes are installed at the upper end of the rack, and conveying mechanisms are installed at discharging openings in the bottoms of the material storage boxes; a plurality of subsoiling shovels which are in one-to-one correspondence with the conveying mechanisms are mounted on the rack from the front end to the tail end. By means of the device, the subsoiling shovels with different depths are arranged, the shovel tips of the different subsoiling shovels advance in the corresponding soil layers, the conveying mechanisms can convey straws with different fragmentation degrees and decomposition degrees in a storage box to the preset soil layers, and the straws can be applied to the four different soil layers at the same time.

The invention discloses a swing type cyclic crushing device for solid waste and a crushing method thereof. The swing type cyclic crushing device comprises a swing mechanism and a material crushing assembly arranged at the swing end of the swing mechanism, the material crushing assembly swings and oscillates in a vertical plane through the swing mechanism, the material crushing assembly comprises afeeding bin, a crushing mechanism, a material collecting bin, a circulating conveying mechanism and a discharging bin, the crushing mechanism is arranged in a discharging port of the feeding bin, thematerial collecting bin comprises a material collecting inlet and a material collecting outlet, the material collecting inlet is formed corresponding to the discharging port of the feeding bin, and the material collecting outlet is formed corresponding to a feeding port of the discharging bin, the feeding end of the circulating conveying mechanism is arranged corresponding to the material collecting outlet, and the discharging end of the circulating conveying mechanism is arranged in the feeding bin. According to the swing type cyclic crushing device for the solid waste and the crushing method thereof, materials passing through the crushing mechanism enter the feeding bin again through the circulating conveying mechanism, and the crushing degree of building waste can be improved.

The invention discloses an aluminum fluoride crystal particle limiting crushing device, and relates to the technical field of aluminum fluoride. The aluminum fluoride crystal particle limiting crushing device comprises a supporting frame. A crushing tank which is used for holding crystal particles is arranged in the supporting frame, and a screening plate is horizontally fixed in the crushing tank. A driving motor is fixed to the supporting frame. An impact mechanism which is used for crushing the crystal particles is arranged above the crushing tank. A lifting mechanism which is used for adjusting the impact mechanism to conduct vertical lifting operation is arranged on the supporting frame. According to the aluminum fluoride crystal particle limiting crushing device, the aluminum fluoride crystal particles located inside the crushing tank are subjected to vertical impact crushing operation through the arranged impact crushing mechanism; due to the screw thread fit of a threaded column and a threaded sleeve, the rotary grinding refining effect of a crushing press disc on the crystal particles is achieved, and the crushing degree of the crystal particles is greatly improved; and the arranged crushing tank can be driven by a horizontal movement mechanism to achieve transverse movement and can also achieve the rotating effect, the dispersion effect of the crystal particles on thescreening plate is greatly and effectively improved, and the full and efficient crushing effect of the crystal particles is achieved.

The invention relates to aluminosilicate tempered glass and a preparation method thereof. According to the aluminosilicate tempered glass, mixed molten salt of NaNO3 and KNO3 is adopted for conducting one-step strengthening on the aluminosilicate glass. The aluminosilicate glass is prepared from the following components in percentage by weight: 48 percent to 61 percent of SiO2, 23 percent to 34 percent of Al2O3, 4 percent to 7 percent of Li2O, 1.5 percent to 6 percent of Na2O, 0.01 percent to 3 percent of K2O, 1 percent to 5 percent of MgO, 0.4 percent to 6 percent of B2O3, 0.1 percent to 1 percent of Y2O3 and 0.4 percent to 3 percent of ZrO2, wherein the ratio of B2O3 to Y2O3 is from 4 to 5. The aluminosilicate toughened glass has excellent mechanical properties, can tolerate rough ground falling resistance and rough surface roller rolling tests, and has a high crushing degree factor gamma.