43results about How to "Completely broken" patented technology

The utility model belongs to the technical field of plate waste treatment, and particularly relates to a plate processing waste treatment device which comprises a treatment box, a crushing mechanism I, a crushing mechanism II, a driving assembly, a transmission assembly, a sieve tray, a linkage assembly, a mounting plate, a flow guide plate and two material guide boxes, feeding ports are formed in the top and the upper positions of the two sides of the treatment box, a discharging port is formed in the bottom of one side of the treatment box, and the two material guiding boxes are fixedly installed at the upper positions of the two sides of the treatment box respectively and matched with the corresponding feeding ports. The plate waste crushing device is reasonable in design, can efficiently and thoroughly crush to-be-treated plate wastes with different sizes and different types so as to meet the requirements of subsequent processing or treatment, simultaneously realizes automatic screening of the crushed plate wastes and avoids the occurrence of the condition of blocking the sieve tray, effectively improves the treatment efficiency, and reduces the labor intensity of workers. And feeding and discharging of plate waste are facilitated, so that the whole treatment process is smoother and more efficient.

The utility model relates to the field of pesticide residue treatment, specifically is a kind of integrated agricultural product pesticide residue crushing extraction equipment, including extraction cylinder, the inside of extraction cylinder is sequentially opened with crushing chamber, control chamber and stirring chamber from top to bottom, heating unit is fixedly arranged on extraction cylinder and is matched with stirring chamber, the side portion of extraction cylinder is provided with centrifuge, and the bottom end of stirring chamber is communicated with centrifuge;The integrated agricultural product pesticide residue crushing extraction equipment of the utility model integrates multiple functions such as crushing, stirring, heating, centrifugal separation in one, realizes the full-process automation operation from agricultural product feed to residue extraction, separation, reduces the connection and transmission steps between multiple devices in traditional equipment, improves work efficiency, saves space.

The present invention discloses a mechanical thrombus removal device and method, including a collection tank, a thrombus removal catheter, a thrombus cutting assembly and a guide wire. The interior of the collection tank is in a negative pressure state and is connected to the thrombus removal catheter, that is, the interior of the thrombus removal catheter is in a negative pressure state; the thrombus cutting assembly includes an inner blade, an outer blade, a flexible transmission shaft and a power assembly that drives the flexible transmission shaft to rotate, the outer blade is slidably installed on the head of the thrombus removal catheter, and the flexible transmission shaft drives the inner blade to rotate; the power assembly is provided with a pusher that can drive the inner blade and the outer blade to extend from the head of the thrombus removal catheter; the thrombus removal catheter is provided with a first cavity in the middle, and the outer wall is provided with a second cavity for accommodating the guide wire. The present invention adopts the cutting concept of negative pressure suction and mechanical cutting, which can improve the efficiency of thrombus removal, perform in situ excision of thrombi, and avoid distal embolism caused by thrombus fragments that fall off during the process of dragging the thrombus during negative pressure suction alone.

The invention relates to the technical field of crushers, and discloses energy-saving efficient jaw crushing equipment for building solid waste disposal, which comprises a crusher main body, a movable jaw plate and a fixed jaw plate are respectively mounted in the crusher main body, and a stress dispersion assembly is arranged in the crusher main body. The stress dispersion assembly comprises a plurality of waved plates mounted on the outer surfaces of the movable jaw plate and the fixed jaw plate and a plurality of crushing teeth mounted on the outer surfaces of the waved plates, and building solid waste enters from the upper part of the crusher, so that the large fluctuation of the waved plates can enable the movable jaw plate to generate large impact force on the building solid waste which just enters the crusher at the initial stage; when the lower waved plate at the upper part of the fixed jaw plate is matched with the movable jaw plate according to the fluctuating degree and height, a special crushing space can be formed, and building solid wastes can be guided to a proper crushing position when being pushed and extruded by the driven jaw plate; and the situation that the building solid waste cannot enter the crushing process smoothly due to the fact that the upper structure of the movable jaw plate is too complex is avoided.

A refractory material crushing device comprises a first-layer crushing device, a second-layer crushing device, a damping support and a material receiving box. The first-layer crushing device comprises a crushing shell, crushing blocks are arranged on the two sides of the interior of the crushing shell, two sets of first rotating shafts are arranged between the crushing shell, a gear is arranged at one end of each first rotating shaft, a crushing round block is arranged on each first rotating shaft, and a second-layer crushing device is fixedly connected to the lower end face of the first-layer crushing device. Damping supports are fixedly connected to the outer side of the second-layer crushing device, a through groove is formed between the damping supports, a material receiving box is connected into the through groove, and a sliding block is arranged on the end face of the lower portion of the material receiving box. The double-layer crushing device has the advantages that the double-layer crushing device and the damping base are arranged at the same time, so that materials can be crushed more thoroughly, the crushing efficiency is higher, the damping base can effectively reduce vibration and noise of equipment, the stability of the equipment is improved, and the service life of the equipment is prolonged.

The present invention discloses a crushing device for food processing, comprising a support frame, which is mounted on external equipment. A crushing mechanism is arranged on the support frame, and an outer shell is mounted on the support frame. The driving shaft and the driven shaft are respectively rotatably connected to the outer shell, and the driving mechanism is cooperatively connected to the support frame and the driving shaft. A hexagonal rod is mounted on the driving shaft. By using a combination of a flexible sleeve and a crushing wheel, the efficiency and quality of food crushing are significantly improved. The relative rotation between the flexible sleeve and the crushing wheel not only provides an extrusion force, but also generates a grinding force. This dual effect enables the food to be crushed more thoroughly and evenly. At the same time, the design of the transverse groove and the follower groove increases the friction force, further improving the crushing effect. This innovative crushing method can process foods of various hardnesses and textures, thereby improving the application range and working efficiency of the equipment.

The utility model discloses a concrete crushing and separating device which comprises a box body, the box body is internally composed of a main cavity provided with a crushing plate vertically driven by a first moving part, a crushing cavity provided with a main shaft provided with tooth tips and a separating cavity provided with a second inclined plate provided with filtering holes, adjusting cavities are formed in the two sides of the main cavity, and the adjusting cavities are communicated with the main cavity. Flow guide plates rotationally connected with the box body are arranged at the positions, located at the lower ends of the crushing plates, of the two sides in the main cavity correspondingly, fixing plates are arranged at the lower ends of the flow guide plates correspondingly, and the ends, away from each other, of the fixing plates penetrate through the two sides of the main cavity and are driven by the second moving parts; a discharging opening is formed in the position, located on one side of the separation cavity, of the box body, the second inclined plate extends to the outer side of the discharging opening, and a recycling box structure is arranged at the position, located at the lower end of the second inclined plate, of the separation cavity. According to the utility model, the condition of blocking is not easy to occur during crushing, the crushing is more complete, and the use is safer.

The invention provides a polygonatum sibiricum flavone extraction method, which comprises pretreatment and extraction operations: S1, pretreatment: polygonatum sibiricum is sliced, dried and crushed, and extruded and puffed by a screw extruder; s2, extracting: extracting the rhizoma polygonati puffed material obtained in the step S1 by using an organic solvent, wherein the organic solvent is an ethanol water solution with the mass fraction of 50-80%. The invention provides an extraction method of polygonatum sibiricum flavone, and aims to provide a pretreatment technology for extracting the polygonatum sibiricum flavone, so that plant cell walls can be thoroughly broken, and the extraction rate of the polygonatum sibiricum flavone is improved.

The invention relates to the technical field of bentonite production, in particular to a multistage grinding and crushing system for bentonite, which comprises an outer frame, a reaction kettle, a driving part, a transmission assembly, a grinding assembly a, a feeding assembly and a grinding assembly b, grinding blocks are arranged on the left side and the right side in the outer frame, a circular truncated cone is arranged at the lower end part in the outer frame, and a mixing assembly is arranged in the reaction kettle. The feeding assembly is driven by the transmission assembly to convey bentonite into the grinding groove a, the bentonite is subjected to primary grinding through the grinding assembly a, the bentonite is conveyed into the grinding groove b through the material pipe, and the bentonite is subjected to secondary grinding through the grinding assembly b. The bentonite and the reaction liquid introduced into the reaction kettle are mixed through the material mixing assembly, so that the bentonite is subjected to sodium modification; the problems that a loading disc is blocked and accumulated due to the fact that part of bentonite is not crushed when bentonite is crushed through a cutter in existing equipment, and complete sodium modification cannot be achieved due to the fact that particles of the crushed bentonite are large and cannot fully react with reaction liquid are solved.

The invention discloses a garment tie-dyeing process based on natural plant dye, and relates to the technical field of garment tie-dyeing, the garment tie-dyeing process comprises dye collection and preparation and garment pretreatment, during dye collection and preparation, natural plants are selected according to dyeing requirements, and the selected natural plants are treated; the ready-to-wear garment pretreatment is used for pretreating ready-to-wear garments to be tie-dyed. According to the method, the natural plant dye is extracted through synergistic use of an enzymolysis method and ultrasonic-microwave, plant cell walls are destroyed from internal and external aspects, the extraction efficiency of the dye is greatly improved, pigment components in plants can be extracted more sufficiently, more completely and more uniformly through the synergistic extraction mode, and the extraction efficiency of the dye is improved. The problem of incomplete pigment extraction possibly caused by a single extraction method is avoided, so that the extracted dye is fuller and purer in color and more stable in hue, meanwhile, the binding force between the dye and fabric fibers is favorably improved, and the color fastness to rubbing and the color fastness to washing of the dyed fabric are further enhanced.

The invention relates to the technical field of satellite laser communication, in particular to a locking device suitable for a laser communication load. The second support is connected with the bottom plate, and containing cavities penetrating in the axial direction are formed in the first support and the second support. The locking shaft is arranged in the containing cavity in a penetrating mode, the locking shaft is used for connecting the first support and the second support, and the locking shaft is provided with a weak part; the expansion assembly is arranged in the containing cavity, and the expansion assembly deforms by being heated and pushes the locking shaft in the axial direction so that the locking shaft can be broken at the weak part. The locking shaft ensures that the degree of freedom of the optical rotary table is stably limited in the satellite launching process, the thermal expansion characteristic of the expansion body is utilized, the locking shaft is rapidly broken under the combined stress effect of axial tension and circumferential torsion, the degree of freedom of the optical rotary table is recovered, and the risks of jamming and failure of an existing plug pin type scheme are avoided.

This utility model provides a crushing device for flavor powder production, including a crushing box. A crushing component is rotatably arranged inside the crushing box, and a screening component is located at the lower end of the crushing component. The screening component includes sliding rods symmetrically arranged at the lower end of the crushing component, and a screening frame is slidably arranged between the two sliding rods. Several springs are evenly arranged between the front end of the screening frame and the side wall of the crushing box. A swaying element for shaking the screening frame is provided on the rear side wall of the crushing box. With this crushing device for flavor powder production, not only can the flavor powder be subjected to secondary crushing by the second crushing roller, but the material initially crushed by the first crushing roller can also be screened by the screening frame, promptly selecting qualified crushed material, avoiding repeated crushing, and improving crushing efficiency.

The utility model relates to the technical field of sea sedge, and discloses a grinder for sea sedge processing, which comprises a processing table, a base plate fixedly mounted at the bottom of the processing table, a bottom plate fixedly mounted on the inner wall of the processing table, and a processing component arranged on the side wall of the processing table, and the machining assembly comprises a crushing mechanism installed at the position of the inner wall of the machining table, one end of the crushing mechanism is connected with the top of the bottom plate, an auxiliary mechanism is installed at the position of the inner wall of the machining table, one end of the auxiliary mechanism is connected with the side wall of the crushing mechanism, and an auxiliary mechanism is installed at the position of the inner wall of the machining table. The utility model solves the problems that the existing nori crusher directly crushes nori through the rotation of crushing blades, and the positions of the blades are always fixed, so that part of nori is always positioned at the bottom of the crusher and is difficult to crush by the blades, and the nori is not completely crushed.

The present invention belongs to the field of fertilizer applicators, specifically a fertilizer applicator for low-humidity materials, including a hopper, the tail end of the hopper is fixedly connected to a material guide pipe; the left side wall of the material guide pipe is installed with a first motor, both side walls of the first motor are fixedly connected to a connecting plate by a first bolt, and the outer end of the connecting plate is fixedly connected to the outer wall of the material guide pipe by a second bolt. The present invention drives the first bevel gear to rotate by the first motor, the first bevel gear will drive the second bevel gear to rotate, thereby driving the rotating shaft to rotate, the rotating shaft will drive the spiral blade to rotate, the spiral blade will push the fertilizer, so that the fertilizer moves downward, so that it is discharged through the material guide pipe and introduced into the soil, thereby realizing fertilization. Fertilization through the device can effectively avoid blockage and improve the smoothness of low-humidity fertilizer discharge.

The utility model discloses road construction waste transfer equipment, and relates to the technical field of waste disposal, the road construction waste transfer equipment comprises a device main body, the outside of the bottom end of the device main body is fixedly connected with rollers, the two sides of the device main body are fixedly connected with placing racks, and the outside of the top end of each placing rack is provided with a feed inlet; according to the building rubbish processing device, after building rubbish enters the processing hopper, the rotating bearing is started at the moment, the rotating bearing drives the linkage rod and the smashing roller to rotate, the threaded smashing roller rotates at a high speed, the smashing roller rotates at a high speed, and therefore the building rubbish can be processed at a high speed; according to the construction waste crushing device, construction waste is powerfully extruded and sheared, the crushing effect is improved through the grooves formed in the outer sides of the crushing rollers, the construction waste is more easily crushed into small blocks through cooperation of the crushing rollers and the grooves, the crushing speed is increased, it is also ensured that the crushed waste is uniform in lumpiness, and follow-up treatment and transportation are facilitated.

A provided gas-liquid mixing reactor comprises a reactor main body, the reactor main body is sequentially provided with a three-fork type inlet structure, a mixing cavity and an outlet along a fluid flowing direction, the three-fork type inlet structure comprises a gas inlet and two liquid inlets, and the two liquid inlets are symmetrically distributed at two sides of the gas inlet; the end, close to the gas inlet, of the liquid inlet is communicated with the gas inlet. The end, away from the gas inlet, of the liquid inlet inclines towards the direction away from the gas inlet. A bowl-shaped mixing structure is arranged in the mixing cavity, the concave surface of the bowl-shaped mixing structure is opposite to the gas inlet, the convex surface of the bowl-shaped mixing structure is opposite to the outlet, and the gas inlet, the bowl-shaped mixing structure, the mixing cavity and the outlet are coaxially arranged. Shock wave effect enhanced mixing is achieved through the bowl-shaped mixing structure, shock waves formed in multiphase flow enable bubbles to be broken more thoroughly, and mixing is more uniform. According to the invention, the mixing efficiency is improved, the structure of the reactor is simpler, and the maintenance cost is reduced.

The invention discloses a propolis processing raw material conveying treatment device and a process thereof.The propolis processing raw material conveying treatment device comprises a cabinet body, a feeding groove is formed in the cabinet body, a supporting plate and a movable plate are arranged in the feeding groove, the supporting plate is fixed to the lower end of the feeding groove, and the movable plate is movably installed at the bottom of the feeding groove; the movable plate is located below the supporting plate, a plurality of protruding blocks are arranged on the movable plate, and through holes allowing the protruding blocks to penetrate through are formed in the supporting plate; a first air cylinder is arranged on the outer side of the cabinet body, a containing cavity is formed in the cabinet body, the feeding groove is located between the first air cylinder and the containing cavity, a feeding port communicated with the containing cavity is formed in the position, on the supporting plate, of the feeding groove, a push plate is arranged on a piston rod of the first air cylinder, and an opening allowing the push plate to penetrate through is formed in the feeding groove. The push plate moves along with the first air cylinder to get close to or away from the feeding port. The cabinet body is further provided with an air conditioner used for refrigerating the containing cavity. Compared with the prior art, the propolis crushing effect can be improved.

This utility model discloses a pipeline cleaning and inspection robot, relating to the technical field of pipeline maintenance equipment. The robot includes a main unit and a walking unit, with the walking unit located below the main unit. The main unit is equipped with an adjusting motor, the output of which is connected to an adjusting screw. The robot uses the adjusting motor to drive the adjusting screw, causing a slider to move on the screw, which in turn moves the crossbar and the connecting shell up and down. This allows the position and height of the main unit to be adjusted according to different pipe diameters, improving the robot's adaptability to various pipe sizes. A working motor drives a crushing mechanism; the combination of a serrated cutter head and a spiral pattern not only crushes and cleans dirt and hard objects inside the pipe but also powerfully crushes tree branches, effectively entangles and cuts plant roots, thoroughly removing impurities from the pipe and ensuring its unobstructed flow.

The invention relates to the technical field of household appliances, and provides a garbage disposer with a multi-stage sealing structure, which comprises a shell and an inner cylinder mounted in the shell, a rotor is installed at the bottom end of the interior of the shell, crushing structures are arranged on the two sides of the inner cylinder, a cutter head is installed in the inner cylinder, a water injection opening is formed in the top of the inner cylinder, and a blow-off pipe is connected to one end of the shell. By arranging the crushing structure, when the cutterhead rotates to crush food garbage, a crushing cutter rotates by 90 degrees each time through components such as a large gear and a small gear, garbage in the inner frame can be stirred, dead corners of the garbage on the edge of the crushing cutter are avoided, garbage crushing is more thorough, garbage treatment is finer, and the crushing efficiency is improved. And meanwhile, the cutter head can generate slight vibration, so that the garbage is more uniformly distributed on the cutter head, the crushing effect is improved, the garbage is easier to wash away by water flow, and the accumulation and blockage risks of the garbage in a pipeline are reduced.

The utility model relates to the technical field of crushing, in particular to rotary crushing equipment of a crusher, which comprises a mechanism main body, a crushing component is arranged in the mechanism main body, the crushing component comprises a coarse crushing roller group, a left fine roller group and a right fine roller group, the coarse crushing roller group is positioned in the middle of a crushing cavity, and the left fine roller group is positioned in the middle of the crushing cavity. The left fine roller set and the right fine roller set are located below the coarse crushing roller set, the left fine roller set is located on the left side of the right fine roller set, a left shaft and a right shaft are fixedly inserted into the left fine roller set and the right fine roller set correspondingly, and the front ends and the rear ends of the left shaft and the right shaft are assembled on the front side wall and the rear side wall of the mechanism body in a penetrating and inserting mode through bearings and extend to the outside. Guide baffles are arranged on the upper portion of the crushing cavity, and an assembly base is hinged to the upper ends of the two guide baffles through hinge shafts and fixed to the inner wall of the upper portion of the mechanism body. According to the utility model, multi-stage coarse and fine crushing can be conveniently carried out during crushing, so that the crushing is more thorough, and the crushing use effect is conveniently improved.

The present invention belongs to the technical field of quartz sand crushing equipment, and in particular, is a quartz sand crushing and impurity removal powder making device. In view of the problem that the existing crushing and impurity removal powder making device can only be unidirectionally rotated and crushed when in use, the crushing knife used can only be unidirectionally rotated and crushed, the crushing effect is poor, and the cutting force is low. At the same time, due to the high hardness of quartz sand, the single ball milling operation has poor powder making efficiency, the following scheme is now proposed, which includes: a box body; a crushing cylinder, fixedly installed on the top of the box body, a feed hopper is fixedly installed on the top of the crushing cylinder, the feed hopper and the crushing cylinder are interconnected, a fixed plate is fixedly installed on the top of the crushing cylinder, a top plate is fixedly installed on one side of the fixed plate, and a motor is fixedly installed on the top of the top plate. The present invention is simple to operate, easy to use, can facilitate more thorough crushing of quartz sand, and can also quickly crush and crush, and perform multi-stage screening and impurity removal, and can increase screening efficiency.

The invention discloses a method for preparing astaxanthin. The method comprises the following steps: (1) centrifuging thalli of phaffia rhodozyma, and discarding supernatant to obtain thalli; (2) adding a potassium phosphate buffer solution into the thalli, adding a compound enzyme (cellulase: pectinase = 1: 1, U / U), carrying out assisted ultrasonic treatment for 30 minutes, and carrying out enzymolysis wall breaking treatment; and (3) adding ethanol, extracting, centrifuging, and taking supernate to obtain the astaxanthin. By optimizing the culture medium, the astaxanthin yield of phaffia rhodozyma is increased. By adopting the extraction method disclosed by the invention, ultrasonic is assisted by the compound enzyme, the enzymolysis time is greatly shortened, the extraction rate of astaxanthin in phaffia rhodozyma can reach 90%, and the pollution is greatly reduced by replacing the conventionally used organic solvent acetone with the bio-based solvent ethanol.

The invention discloses a cleaning device and a cleaning method for attachments in a boiler, and relates to the technical field of boiler cleaning. The cleaning device comprises a seat body and a plurality of groups of floating adjusting brackets connected with the seat body; each floating adjusting support is provided with a moving wheel body, the moving wheel body comprises a stator and a rotor wrapping the outer wall of the stator, and the outer wall of the rotor is provided with a wheel body and a magnetization assembly arranged at the inner bottom of the stator; advancing pedal assemblies in an annular array are arranged on the wheel body; the crushing cutter assemblies are arranged at the end parts of the two sides of the seat body in the advancing direction. Under the action of the floating adjusting support, the wheel body can be subjected to deflection lifting or descending adjustment, the device can be applied to the bumpy surface in the boiler, and when the device encounters a vertical plane, the floating adjusting support deflects and lifts upwards and continues to walk upwards along the wall in the advancing direction of the device, so that free walking on the inner wall of the boiler is achieved; the cleaning range is enlarged; and various cleaning corners and positions can be reached.

The utility model provides a special defective product crushing and recycling device for powder metallurgy. Comprising a rack, a feeding mechanism, a dust removal mechanism, a first crushing mechanism and a second crushing mechanism, wherein the feeding mechanism is fixedly arranged on the rack and used for feeding powder metallurgy defective products; the dust removal mechanism is arranged on the upper portion of the feeding mechanism and used for sucking impurities and dust on the surfaces of metallurgical parts; and the collecting mechanism is arranged below the second crushing mechanism and used for collecting crushed powder, and the collecting mechanism comprises a first collecting device used for collecting completely-crushed metallurgical powder in a sealed mode and a second collecting device used for collecting metallurgical particles which are not completely crushed. The special defective product crushing and recycling device for powder metallurgy is simple in structure and good in crushing quality, powder metallurgy raw materials can be completely crushed, and crushed products with different particle sizes can be collected respectively.

The invention discloses a syringe destroying device in an operating room for the anesthesia department, and relates to the technical field of syringe destroying.The syringe destroying device comprises a head removing box, a syringe is placed in the head removing box, a rotating assembly is arranged in the head removing box, the lower end of the head removing box is fixedly communicated with a grinding box, and a grinding assembly is arranged in the grinding box; an injection head collecting box is slidably connected to the interior of the head removing box, an injection cylinder collecting box is slidably connected to the lower end of the grinding box, the head removing assembly is arranged in the head removing box and used for taking down the head of an injector, the crushing assembly is arranged in the head removing box and used for crushing the tube wall of the injector, and the clamping assembly is arranged in the head removing box and used for clamping the tube wall of the injector. The clamping assembly is used for clamping the injector to prevent the injector from moving, and the problem that in the process of separating the injection cylinder from the injection head, part of medicine remaining in the injection head flows out and makes contact with the hand of medical staff, and the hygiene in the medical process is affected is solved.

The present invention relates to the technical field of sanitary ware, and discloses a device for manufacturing ceramic sanitary ware, including a box body, a feed port is opened on one side of the box body, a feed plate is fixedly connected to the inner wall of the feed port, a crushing mechanism is arranged on the box body, and the crushing mechanism includes a hydraulic cylinder, a moving frame, a moving groove, a moving block, a crushing plate, a pointed cone, a first motor, a swing frame, a spring, and a pressure plate; the hydraulic cylinder is fixedly mounted on the top of the inner wall of the box body. The present invention can drive the pointed cone to move back and forth by setting a hydraulic cylinder to crush the ceramic raw material, which is convenient for the subsequent grinding of the ceramic raw material and improves the grinding efficiency. The position of the pointed cone can be adjusted by setting the first motor, the swing frame, the spring, the pressure plate, the moving block and the crushing plate, so that the pointed cone can better contact with the ceramic raw material, so that the ceramic raw material is crushed more thoroughly, the fineness of the ceramic raw material is improved, and it is convenient for the subsequent ceramic firing.

The present invention belongs to the technical field of coal mine safety and disaster prevention, and specifically relates to a hydraulic fracturing efficiency enhancement method based on the principle of temporary resistance ball pressure holding. The method uses a hydraulic fracturing component and a high-pressure ball pitching pump component. The water tank in the high-pressure ball pitching pump component contains fracturing liquid, and the temporary resistance ball is installed in the ball pitcher. The hydraulic fracturing component and the high-pressure ball pitching pump component are connected through a high-pressure hose and a water injection pipe column. The present invention adds temporary resistance balls during the top coal fracturing process, so that the temporary resistance balls block the original pores and cracks of the coal body along the moving direction of the water body, reduce the filtration of the water body, and then continue to block the new cracks after fracturing, so that the force of hydraulic fracturing continues to act in other directions to form more tiny cracks, thereby expanding the influence range of hydraulic fracturing, controlling the development direction of the cracks generated by hydraulic fracturing, and realizing the controllability of hydraulic fracturing, so that the coal seam is broken more thoroughly, and the coal release process is effectively realized.

The utility model discloses a filter press unloading device, which relates to the technical field of filter press unloading, and comprises a filter press, a placing frame and a crushing assembly, the placing frame is arranged below the filter press, the top end of the placing frame is fixedly provided with a conveying belt, the inside of the placing frame is provided with a limiting hopper, and the limiting hopper is provided with a crushing assembly. And the crushing assembly is fixedly mounted in the limiting hopper and comprises a mounting seat. Through the arrangement of the crushing assembly, large blocky filter cakes can be quickly crushed, so that the blockage phenomenon is prevented, in addition, the combined design of the mounting plates and the matching plates which are distributed at intervals is adopted in the crushing assembly, and the crushing efficiency is improved. And a crushed filter cake can be further crushed and refined when passing through the spaced plates, so that the crushing effect is greatly improved. By means of the design, the crushing efficiency is improved, and the discharging work of the filter press becomes more convenient and efficient.

The utility model discloses a kind of heap turning device for straw compost, to solve the technical problem of existing technology mainly through artificial use shovel, fork and other farm implements to carry out heap turning operation, labor intensity is big, artificial cost is higher, including small agricultural loader, adapter and straw fork;Shovel is equipped with not less than 7 short fork teeth, short fork teeth include main part and inclined surface part;Adapter includes sleeve tooth part and plate bridging part;Sleeve tooth part includes sleeve part, first hollow cavity and clamping groove;When installation, first hollow cavity is limited to butt with short fork teeth, clamping groove is limited to butt with the lower edge of shovel, bridging part is detachably screwed with the inner wall of shovel;Straw fork includes installation part and long strip fork body, installation part and long strip fork body integrally form connection;Installation part includes second hollow cavity;When installation, second hollow cavity is butt with sleeve part;Installation part top and sleeve part are detachably screwed.

The invention discloses a vertical shaft tunneling blasting method based on shaped charge, which comprises the following steps: drilling an empty hole in the center of an excavation section, sequentially drilling a plurality of slotting holes, a plurality of caving holes and a plurality of peripheral holes from inside to outside around the empty hole, the plurality of slotting holes, the plurality of caving holes and the plurality of peripheral holes are annularly arranged by taking the empty hole as a center; the slotting holes are sequentially filled with one-way shaped charge and stemming from bottom to top; the caving holes are sequentially filled with hole bottom shaped charge, common cartridges and stemming from bottom to top; the peripheral holes are sequentially filled with bidirectional shaped charge and stemming from bottom to top; and all blast holes in the excavation section are subjected to delayed blasting from inside to outside. The hard rock slotting blasting effect can be improved during vertical shaft tunneling blasting, the utilization rate of deep blast holes is increased, and the peripheral forming effect is improved.