272results about How to "Fully cut" patented technology

The invention discloses a low-floating-fiber high- glossiness glass fiber reinforced polyamide composition and a preparation method thereof. The composition comprises 30 to 85 parts by weight of polyamide resin, 15 to 60 parts by weight of glass fiber, 0.1 to 10 parts by weight of nanometer filler and a rheological regulator in an amount which is 0.08 to 5.0 percent of the weight of the glass fiber, wherein the nanometer filler and the rheological regulator are limited, particularly the structure of modified hyperbranched polymer in the rheological regulator is specifically limited. Due to adoption of the rheological regulator, the retention distribution range of melt in processing equipment can be reduced to a great degree and the product appearance defect caused by the part which exceedsthe ideal retention time limit value is reduce; in particular, the nanometer filler which integrates the special structure and the effect has remarkable beneficial effect of improving the appearanceof the glass fiber reinforced polyamide composition; the obtained polyamide composition has high glossiness and little floating fiber, and still can maintain excellent physical and mechanical properties while embodying good product appearance.

The invention discloses a 40-thousand-ton hard carbon black reaction furnace and a production process of carbon black. The carbon black reaction furnace comprises a combustion chamber, a venturi tube, a reaction chamber, and a quench zone. The uniquely designed combustion chamber of the reaction furnace ensures that the distribution of the temperature field of the carbon black production is more reasonable, the appropriate angle, length and inner diameter of the venturi tube ensure that raw oil is fully vaporized and sheared on the venturi tube part; and the reasonably designed reaction section and the matched quench zone ensure that the carbon black cracking reaction can be performed quickly, and the side reaction can be inhibited. Coal gas or natural gas is used as a fuel, the range of the raw oil is wider, the production capacity of the carbon black is high, unit consumption is low, a small amount of polluted product is discharged and the quality of the carbon black is high.

The invention relates to a process for producing waste-tire rubber powder modified asphalt, in particular to a process for producing high-stability waste-tire rubber powder modified asphalt. The process is characterized in that the surface of waste-tire rubber powder is first activated; then the activated waste-tire rubber powder is added to hot asphalt, fully stirred, swollen, sheared, ground and then injected into a development tank for inoculation reaction, so as to obtain stable waste-tire rubber powder modified asphalt; the production course of the process belongs to chemical-physical action; the activated waste-tire rubber powder and the asphalt are subjected to crosslinking reaction and form a stably linked molecular structure; and the modified asphalt is stable in performance and capable of long-term storage. The high-stability waste-tire rubber powder modified asphalt has the characteristic of good stability.

The invention provides an anti-blocking floor drain for a bathroom. The anti-blocking floor drain comprises a floor drain frame body which is used for connecting a bathroom water discharging pipeline and bathroom ground; a floor drain core body for discharging water is erected at the lower side in the floor drain frame body, and a round cover is erected at the upper side of the floor drain frame body; the anti-blocking floor drain further comprises a hydroelectric generator which is arranged in a water inlet pipeline of the bathroom; a tool rest is embedded into the upper side of the floor drain core body; the tool rest is provided with a cutting mechanism capable of cutting hairs; the cutting mechanism comprises a mini-type direct current motor and a rotary blade; and a current input end of the mini-type direct current motor is electrically connected with the hydroelectric generator, and an output shaft of the mini-type direct current motor is in transmission connection with the rotary blade. As the cutting mechanism and the hydroelectric generator are arranged, when a user utilizes water, the hydroelectric generator can generate electric energy under the action of hydraulic power, and the electric energy is transmitted to the mini-type direct current motor, so that the rotary blade is controlled to rotate and the hairs are cut off, and furthermore, the hairs can smoothly flow out from the water discharging pipeline; and the electric energy can be saved, and the blocking of the water discharging pipeline can also be effectively avoided.

The invention relates to a front hanging type electromotion grass-mowing machine which belongs to the technical field of garden instruments. The main structure of the invention comprises an electric motor car. The invention is characterized in that the front end of the car frame of the electric motor car is connected and provided with a grass mowing machine, the grass mowing machine comprises a steel frame and a grass mowing disc connected to the lower part of the steel frame, lateral sides of the steel frame are provided with mounting idler wheels, the bottom of the grass mowing disc is provided with three pairs of blades which are arrayed in a structure like the Chinese character 'PIN', the blades are connected to both ends of the fixing plate, and the fixing plate forms a transmission connected with a direct current motor fixed on the grass mowing disc. The front end of the car frame of the electric motor car of the front hanging type electromotion grass-mowing machine is connected and provided with the grass mowing machine, which is convenient for assembly, disassembly, maintenance and operation; the bottom of the grass mowing disc is provided with the blades which are arrayed in the structure like the Chinese character 'pin', so that greensward can be trimmed once, the problem that partial grass cannot be cut cannot occur, and efficient and full lawn trimming can be realized; moreover, the electric motor car has compact structure and low production cost, and adopts environmental protection lead acid cells as the power supply of the electric motor car, so that the invention cannot pollute environment and has long service life.

The invention relates to cutting equipment, in particular to cutting equipment for electromobile tire recovering and aims at achieving the technical purpose of providing the cutting equipment which isused for electromobile tire recovering, conducts cutting uniformly and achieves placement easily with less labor. To achieve the technical purpose, the cutting equipment for electromobile tire recovering comprises an installation frame and the like. The center of the inner bottom of the installation frame is provided with a fulcrum bar, the top end of the fulcrum bar is connected with a frame body, the left portion of the frame body is provided with a placement device, and a cutting device is arranged on the inner top of the installation frame and located above the frame body. By means of theplacement device, a tire can be easily put into the frame body, then, the cutting device cuts the tire, the cutting device can be rotated, and therefore the tire can be cut more comprehensively; andafter the tire is cut, the left portion of the frame body is downwards inclined, the cut tire in the frame body can be taken out conveniently, and therefore operation is more convenient and easy.

The invention relates to a cutting device, in particular to a rapid straw cutting device for rear livestock with an aim to mainly achieve the purposes of rapid straw cutting and good cutting effect. In order to solve technical problems, the rapid straw cutting device comprises a mounting frame and the like; a moving mechanism is arranged at the bottom of the mounting frame, and a cutting mechanismis arranged on the upper portion of the mounting frame. The moving mechanism is arranged, and cutting is performed after the moving frame is fixed in case the moving frame moves horizontally; the cutting mechanism is arranged, and cutting of straws can be completed; the mounting frame is arranged, and the straws to be cut can be fed constantly and cut conveniently; press blocks are arranged, andthe straws are compacted downwards during cutting; magnets are arranged, and the straws can be mixed sufficiently and cut completely.

The invention discloses a deep ploughing, deep scarification and ridge smashing device. The device comprises a motor 1, a transmission case 2 and at least two ridge smashing drill bits. Each ridge smashing drill bit comprises a screw shaft 3, ridge smashing cutters 4, a connecting flange 5 arranged on the top of the screw shaft, a screw blade 6 and a drill tip 7. Each screw blade 6 is mounted on the corresponding screw shaft 3, and the ridge smashing cutters 4 are arranged on the outer edge of each screw blade. The deep ploughing, deep scarification and ridge smashing device is characterized in that the distance from ridge smashing cutter heads of the ridge smashing mechanism to the screw shafts is larger than half the distance between the external diameter parts of every two adjacent screw shafts and smaller than the distance between the external diameter parts of every two adjacent screw shafts. The deep ploughing, deep scarification and ridge smashing device solves the problems that a ridge smashing machine in the prior art is not thorough in cutting of large soil blocks and bad in ridge smashing effect, tillage efficiency is improved, and the application and popularization economic benefits and social benefits are very obvious.

The invention relates to a pasture grass cutting device, and particularly relates to a cutting device used for pasture grass for feeding livestock in animal husbandry. The technical problem to be solved by the invention is to provide a cutting device with which manpower and time can be saved, overall cutting can be achieved, air drying can be carried out in time after cutting, and economic loss can be reduced, wherein the cutting device is used for feeding the livestock in animal husbandry. In order to solve the technical problems, the invention provides the cutting device for the pasture grass for feeding the livestock in animal husbandry. The cutting device comprises a bottom plate, a lifting device and the like; the top part of the bottom plate is connected with a collecting frame, support rods and a support frame through a connecting way by bolts in sequence from left to right; and both the support rods and the support frame are vertically arranged. According to the cutting device,a first motor is adopted as a drive, so that a cutter moves up and down ceaselessly to cut the pasture grass; meanwhile a placing frame moves left and right to overall cut the pasture grass, so thatthe following effects that the manpower and the time can be saved, the whole cutting can be achieved, air drying can be carried out in time after cutting, and the economic loss can be reduced are achieved.

The invention discloses PVC pipe cutting equipment in the field of water conservancy projects. The PVC pipe cutting equipment comprises a bottom plate, a pipe fixing device arranged above the bottom plate, a first electric cylinder device arranged on the pipe fixing device, a second electric cylinder device arranged on the bottom plate, and a pipe cutting device arranged on the second electric cylinder. The PVC pipe cutting equipment can fully cut a PVC pipe to realize an excellent cutting effect; a V-shaped cutting knife and a driving wheel are cooperated mutually to cut, fix and rotate the pipe, so that the cutting efficiency is high, the labor intensity is low and the operation is simple.

The invention discloses a liquid nano-shearing machine, which comprises a cylinder body with a liquid inlet and a liquid outlet, wherein a main shaft externally connected with an external driving mechanism is arranged in the cylinder body; the outer wall of the main shaft is fixed with a shearing device for shearing materials; the shearing device is formed by sleeving a plurality of rotary bodies on the outer wall of the main shaft sequentially; and each rotary body comprises a bolt sleeve sleeved on the outer wall of the main shaft, an upper rotary body sheet and a lower rotary body sheet which are fixedly connected to the outer walls of both ends of the bolt sleeve and a plurality of shearing blades arranged between the upper rotary body sheet and the lower rotary body sheet. The liquid nano-shearing machine uses a large number of blades arranged in a staggered mode to make the inner part of the cylinder body have no blind angle and ensure that every drop of liquid is shorn sufficiently. A plurality of ring-shaped baffle plates form turbulence easily to ensure that the liquid passing through each rotary body continuously is shorn and mixed repeatedly. A plurality of socket-and-spigot rotary bodies have the advantages of simple structure and convenient installation. The liquid nano-shearing machine has a wide application range, a good liquid emulsification effect and a high nanometer magnitude of a water mass particle size, and is suitable for processing multiple liquid-state mixtures.

The invention relates to a pulverizer which comprises a frame, and a feeding device, a cutting device and a pulverizing device are arranged on the frame and sequentially connected. The cutting device comprises a first motor, an eccentric wheel, a connecting rod, a cutter and a guiding mechanism, wherein the first motor is connected with the eccentric wheel in a driving mode, one end of the connecting rod is connected with the eccentric wheel, the other end of the connecting rod is connected with the cutter, and the guiding mechanism is obliquely arranged on the frame and connected with the cutter. After materials enter the cutting device from the feeding device, the cutter moves in the direction of the guiding mechanism under driving of the eccentric wheel and the connecting rod so as to cut the materials obliquely; since the cut-in direction of the cutter is oblique relative to the materials, it is equivalent that vertical cutting force and horizontal cutting force are applied to the materials, and fibers in the materials are fully cut and broken; and afterwards, the materials enter the pulverizing device to be pulverized, and therefore the materials containing the fibers are fully cut, and the pulverizing effect is better.

The invention relates to a new energy material processing device, in particular to a plant raw material shredding device for a new energy biogas digester. According to the plant raw material shreddingdevice for the new energy biogas digester, the cutting effect is good, the used time is short, and operation is easy and convenient. The plant raw material shredding device for the new energy biogasdigester comprises supporting legs and the like. A supporting plate is arranged at the tops of the supporting legs of the left side and the right side, and an L-shaped rod is connected between the bottom of the supporting plate and the inner side wall of the supporting leg of the right side. A cutting mechanism is mounted on the supporting plate, and a mounting plate is connected to the middles ofthe inner side walls of the supporting legs of the left side and the right side. A pushing mechanism is mounted on the mounting plate. According to the plant raw material shredding device, through mutual cooperation of the cutting mechanism and the pushing mechanism, raw materials are sufficiently cut, meanwhile the cut raw materials are collected through a collecting box, and through optimization of a compressing mechanism, an auxiliary mechanism and a protective mechanism, the good cutting effect is achieved.

The invention relates to the technical field of environmental protection and discloses a paperboard recycling and cutting device based on a light sensation control principle. The device comprises a shell I and a shell II, wherein a transfer assembly is movably connected in the shell I, a motor is movably connected in the shell I, a rotating rod is movably connected outside the motor, a cam is fixedly connected outside the rotating rod, a movable plate is movably connected outside the rotating rod, a slicer is movably connected outside the movable plate, a light sensation assembly is movably connected in the shell I, and a cutting wheel is movably connected in the shell I. Under interaction of the shell I, the transfer assembly, the motor, the rotating rod, the cam, the movable plate, the slicer and the cutting wheel, a paperboard is cut transversely and longitudinally when being cut, so that it is more favorable to cut the paperboard fully, thereby providing a paperboard specificationmeeting the demand to recycling and processing of the paperboard, and therefore, the work efficiency of paper recycling is improved.

The invention discloses a laser cutting machine provided with a dust removing device. The laser cutting machine comprises a casing, wherein the casing is of a hollow structure; a placement plate is arranged on the bottom wall of the casing; a telescopic motor is arranged on the placement plate; a first support rod is connected with the tail end of an output shaft of the telescopic motor; a first support plate is horizontally arranged at one end, away from the telescopic motor, of the first support rod; a clamping device is arranged on the upper side wall of the first support plate; a second support plate is fixedly connected with the inner wall of the upper side of the casing; a first T-shaped slide chute with a downward opening is transversely arranged on the second support plate; a firstT-shaped slider is glidingly connected into the first T-shaped slide chute; a second T-shaped slide chute with a downward opening is formed in the lower side wall of the first T-shaped slider and vertical to the first T-shaped slide chute; a second T-shaped slider is glidingly connected into the second T-shaped slide chute. According to the laser cutting machine, workpieces can be stably clamped,and dust can be removed during cutting of the workpieces.

The invention belongs to the technical field of stamping dies, and discloses an aluminum ring processing device. The aluminum ring processing device comprises a lower die, and an upper die arranged on the lower die, wherein a through hole is formed in the middle part of the upper die; a pressing column is in slide connection with the inside of the through hole; an opened groove is formed in axis of the pressing column; a pressing block is connected to the top end of the pressing column; a forming column is in slide connection with the middle part of the lower die, and a forming groove is formed in the axis of the forming column; the forming column is abutted with the pressing column; symmetric mounting racks consisting of transverse parts and vertical parts are connected to the side surface of the pressing column; racks are arranged on the vertical parts; two gears which are engaged with the racks are connected with a rotating shaft in the lower die; racks which are engaged with the gears are arranged on two side surfaces of the forming column. According to the abovementioned scheme, the aluminum ring processing device has the advantages that the stamping speed in aluminum ring processing is increased; an aluminum sheet can be fully cut during stamping, so that the aluminum ring can be prevented from being pulled and deformed, and as a result, the aluminum ring processing accuracy can be improved; in addition, more force can be saved for an operator, and the fatigue can be reduced.

The invention relates to the technical field of mechanical equipment for kitchen, in particular to a kitchen waste treating device. The kitchen waste treating device comprises a feeding housing, an outer housing, a feeding rod, a scattering mechanism, a cutting mechanism, a diversion protection hood and a motor. Compared with the prior art, the kitchen waste treating device disclosed by the invention has the beneficial effects that through cooperation of an elastic cooperating ring and a mushroom-shaped material pushing head, the situation that hard extrusion is caused between rubbish which istoo hard and the kitchen waste treating device can be avoided, and the service life of the equipment is guaranteed; and scattering is performed firstly, and then cutting is performed, so that the rubbish can be well cut sufficiently, and the cutting efficiency and the cutting property are improved.

The invention relates to a fishbone remover for finless eel. A purely-manual deboning manner is changed into a mechanical deboning manner, and the problems that positioning and sectioning are difficult due to characteristics that the finless eel has left-right bowing-drawing twist force and the body of living finless eel has mucus are solved. A central guide shaft (11) and a metal hollow elastic fish body transfer passage (3) are hinged and connected in series so as to form a whole, and the whole can free move and can also be positioned and hung to a main frame; and therefore, the fish body is positioned and sent to a wheel-internal knife gear (7) and an external guard plate wheel (6) of two layers and two backbone cutting knives (10). The gears overrise and are supported on the central guide shaft (11), so that linear cutting operation is formed. A fish hooking and sending tip gear (5) and a backbone sending and supporting dual-row gear (9) on a dismountable base (4) are matched, under the action of up-and-down fish sending and fish sectioning gear transmission speed differences, a rectangular knife gear cuts the fish body in a knife dragging shape, so that the deboning purposes that meat and bones of the living finless eel can be completely separated, the cutout is smooth and clean, and ground meat is reduced are realized.

The invention discloses particle shaping equipment, which is arranged between particle forming equipment and cooling equipment and comprises a trough and a stirring device, wherein the trough is used for receiving a solid material led out by the particle forming equipment and is provided with a feed port and a discharge port; and the stirring device is used for scattering the solid material and conveying the solid material to the discharge port, is arranged in the trough and comprises at least two helical stirring paddles which are arranged in the trough in parallel. According to the particle shaping equipment, the solid material can be effectively prevented from being adhered into large blocks due to rapid cooling, cooling and subsequent sieving and crushing are easy, and the particle quality of inorganic silicon is improved.

The invention discloses garment fabric cutting equipment. The cutting equipment comprises a working platform, a first supporting frame, a second supporting frame and pipe sleeves are welded to the topof the working platform, the pipe sleeves are located between the first supporting frame and the second supporting frame, a second threaded hand lever is connected to the top of the second supportingframe through threaded screwing, a press plate is mounted on one end of the second threaded hand lever, a soft rubber pad is mounted on the bottom of the press plate, and a first threaded hand leveris connected to the bottom of the working platform through threaded screwing. According to the cutting equipment, the problem that the cutting quality is affected by cutting position offset due to thefact that folds and positions of garment fabric are moved during the cutting process is avoided, the precision of cutting of the garment fabric is improved, and the occurrence rate of wastes is reduced; in addition, through a press roller and a smooth roll, the garment fabric can be tightened, on one hand, the garment fabric can be easily pulled and dragged to achieve fast loading and improve cutting efficiency, and on the other hand, the trouble of cutting due to the slacking of the fabric during the cutting is avoided.

The invention discloses a blade structure of a double-shaft shredding machine. The blade structure comprises a flying wheel and a plurality of blades, wherein the flying wheel comprises a flying wheel body and a plurality of ratchets; the ratchets are annularly arranged on the side wall of the flying wheel body; the number of the ratchets is equal to the number of the blades; the blades and the ratchets are detachably and correspondingly connected; the bottom surfaces of the blades are attached to the front surfaces of the ratchets; the side surfaces of the blades are matched with and attached to the side surfaces of the ratchets. The blade structure disclosed by the invention has a good crushing effect, convenience in replacement and maintenance and a simple structure. The invention also discloses a knife roller of the double-shaft shredding machine. The knife roller disclosed by the invention has high stability, convenience in maintenance and a good crushing effect.

The invention provides a medicinal cutter. The medicinal cutter comprises a bearing tray, a transverse cutter head, a longitudinal cutter head and a support frame, wherein the support frame is arranged on the bearing tray and is provided with a sliding rail; the cutter head is arranged on the sliding rail; and a square groove is formed on the bearing tray which is provided with a transverse cutting trough parallel with the transverse side of the groove and a longitudinal cutting trough parallel with the longitudinal side of the groove. The medicinal cutter has the advantages of reducing the pollution from the preparation process of gelatin sponge particles, maintaining the freshness of the gelatin sponge particles, reducing the oxidation time of the gelatin sponge particles in air and the consumption of gelatin sponge and saving time and labor for cutting.

The invention discloses a rubbish bag-breaking machine, belongs to the technical field of the apparatus for splitting materials into pieces through a knife or other cutting methods or a ripping part, and especially relates to a rubbish bag-breaking machine. The present invention provides a rubbish bag-breaking machine with functions of sufficient cutting and energy saving. The rubbish bag-breaking machine provided by the present invention comprises a bag breaking box. An upper end of the middle portion of the bag breaking box is provided with an upper material feeding hopper. A lower end of the middle portion of the bag breaking box is provided with a lower material discharging hopper. The structure characteristics of the bag breaking box are that: two sets of impellers are arranged symmetrically on the left and on the right inside the bag breaking box; blades of the impellers have cutting edges and are knife-shaped; main shafts of the two sets of the impellers are connected through abelt pulley and a belt; the main shaft of one of the impellers is connected with a motor through a coupling and a speed reducer.

The invention relates to the field of thin film manufacturing, and particularly discloses a thin-walled pipe waste recycling device which comprises a crusher and a fan. A cutting knife and a filter screen are arranged in the crusher. The thin-walled pipe waste recycling device further comprises a swinging unit for driving the filter screen to swing, wherein a swinging rod is rotatably connected onto a case of the crusher and is located above the filter screen; one end of the swinging rod is abutted against the end part of the filter screen; and a knocking hammer is connected onto the swingingrod and can collide with the filter screen after rotating along with the swinging rod. According to the scheme, through the swinging filter screen and the swinging knocking hammer, the filter screen can be swung and vibrated at the same time, so that the problems that in the prior art, wastes are cut insufficiently, and massive thin film chippings obtained after cutting block mesh openings of a recovery tank so as to obstruct the falling and recycling of fine thin film chippings are solved.

The invention relates to a web guiding device for a fiber web machine. The web guiding device is provided with a guiding surface (10), and each guiding blowing device (11) used for conveying a guiding belt (12) is aligned with the guide surface (10). The device is arranged to be, between two mutually succeeding guiding blowing devices (11), the deflection angle beta between guiding belt moving directions defined by a stop position (15) formed via a second blowing position (14) and the average moving direction of the guiding belt (12) on a first blowing position (13) of the guiding belt (12) is 10DEG -70 DEG, preferably 30 DEG -60 DEG. The invention also relates to a guiding belt separation device for a fibrous web machine.

The invention relates to mechanized treatment equipment for reinforcement building materials for construction of a bridge pile foundation. The mechanized treatment equipment for reinforcement buildingmaterials for construction of the bridge pile foundation comprises a bottom plate, wherein a collecting box is mounted on the bottom plate; a collecting device is mounted at the front end of the bottom plate; and a cutting and polishing device are mounted at the lower end of the collecting device. The problems that in a pile foundation reinforcement treatment process on an existing construction site, top ends of cut pile foundation reinforcements require to be polished manually, the labor intensity of manual cutting on the pile foundation reinforcements is large, particles generated in the cutting process of the pile foundation reinforcements easily damage workers, potential safety hazards exist, a cutting process and a polishing process cannot be carried out simultaneously, time is wasted, manual pile foundation reinforcement conveying operation is complicated, the labor intensity is large, the working efficiency is low and the like are solved, and a function of mechanized treatmenton the pile foundation reinforcements can be fulfilled.

The invention discloses a crushing device of a polyphenyl granule crushing machine. The crushing device comprises a crushing cavity, wherein a charge hole is formed above the crushing cavity; a discharge hole is formed in the lower end of the crushing cavity, and is of a conical structure; a first crushing chamber and a second crushing chamber are arranged in the crushing cavity; the first crushing chamber comprises a rotary shaft and a breaking knife; a first vibration screen is arranged below the breaking knife, and is detachably fixed on the inner wall of the crushing cavity; the second crushing chamber comprises a cutting roll; a second vibration screen is arranged below the cutting roll; a first guide plate is arranged above the first vibration screen; a second guide plate is arranged above the second vibration screen. According to the crushing device of the polyphenyl granule crushing machine provided by the invention, the two crushing chambers are used for crushing materials simultaneously, so that the crushing time is saved and the materials can be adequately crushed.

The invention discloses a juice squeezing machine for producing Shiwanshan ginger black tea. The juice squeezing machine comprises a feed opening, a bottom plate, a first spring, a first discharge opening, a first belt pulley, a cutting cylinder, a rotating shaft, a cutting edge, a belt, a first motor, a supporting frame, a machine body, a second motor, a connecting shaft, a second belt pulley, asecond discharge opening, a juice squeezing cylinder, a grinding rod, a second spring, a movable plate, a flow deflector, a liquid storage tank and a groove. The juice squeezing machine disclosed by the invention has the beneficial effects that by arranging the first spring at the bottom of the bottom plate, the size of the first discharge opening can be adjusted according to the amount of gingerpoured on the bottom plate, further the amount of ginger entering the cutting cylinder can be adjusted, and further the cutting edge can thoroughly cut the ginger; by driving the connecting shaft to rotate, the grinding rod is driven to rotate counterclockwise; and because a spiral edge which rotates to the left is arranged on the side wall of the grinding rod, the ginger juice in the ginger can be squeezed out, and besides, ginger residues can move to the right along with the rotation of the grinding rod.

A method of reducing the amount of a sludge, wherein some of the sludge generated in an aeration tank is safely and efficiently converted to a substrate with hypochlorous acid and the substrate is returned to the aeration tank and digested. Dilute hydrochloric acid or dilute sulfuric acid is injected into some of a sludge withdrawn from a sedimentation tank (4), and the mixture is stirred to make the sludge weakly acidic. Subsequently, an aqueous sodium hypochlorite solution is injected into the sludge having a sludge concentration of 2,000-26,000 mg / L, in such an amount as to result in an effective chlorine concentration of 300-1,600 mg / L, and the mixture is stirred to convert the sludge into a substrate. According to need, an aqueous sodium sulfite solution or an aqueous sodium thiosulfate solution is injected into the substrate sludge, and the mixture is stirred. This mixture is returned to the aeration tank (3) and aerated to digest the sludge. Thus, the amount of a sludge is reduced.