89results about How to "Improve sand removal efficiency" patented technology

The invention relates to a preparation method for a sea cucumber intestine oral liquid. The preparation method comprises the following steps: taking sea cucumber intestine as a raw material, grinding the sea cucumber intestine into slurry, heating the slurry, cooling down, adding neutral protease and flavor enzyme double enzyme, and controlling enzymolysis conditions for enzymolysis; conducting primary centrifugal separation on the sea cucumber intestine enzymatic hydrolysate with a centrifugal machine, collecting supernatant fluid, conducting secondary centrifugation, collecting supernatant and conducting desalination treatment repeatedly according to the nano-filtration separation technology to obtain a sea cucumber intestine liquid; adding an auxiliary natural plant extracting liquid extracted from medlar, membranous milkvetch root, angelica and ginseng, as well as a sweetening agent for blending, filling, and sterilizing to obtain the sea cucumber intestine oral liquid. The preparation method is reasonable in technology, simple and convenient to operate, high in operability and easy to realize industrialized production; the sea cucumber intestine oral liquid prepared according to the method not only is rich in nutrition, clear, transparent, moderate in sour and sweet, and natural in sapor, but also has health-care functions of replenishing blood, benefiting vital energy, supporting the healthy energy, enhancing vital essence and marrow, allaying tiredness, improving immunity, and the like.

The invention provides a waste plastic sand remover comprising a machine rack, a grid, a spiral component and a transmission component. Transmission equipment is connected with spiral equipment so as to drive the spiral equipment to rotate. The spiral equipment is sleeved in the grid. A plurality of transmission blades and a plurality of discharging blades are arranged on the spiral equipment so as to remove sediment substances adhered to waste plastics. The waste plastic sand remover disclosed by the invention has the advantages of simple equipment structure, reliability in operation, low manufacture and maintenance cost and long service life. Meanwhile, the waste plastic sand remover can be used for continuous feeding and discharging and is high in sand-removal efficiency.

The invention relates to a high-efficiency tilted plate sand-removal and water-intake device which is used as water intake equipment in water supply engineering and surface water source heat pump engineering. The device comprises a water inlet chamber, a sand-separating and self-cleaning chamber and a water outlet chamber, wherein the wall of the intake chamber is made of corrugated bent plates and is provided with countless water inlet holes and water inlet/sand discharge dual-purpose holes; and the upper half of the sand-separating and self-cleaning chamber is a sand-separating chamber, the lower half is connected with a self-cleaning sand discharge bucket and a sand discharge pipe, a plurality of lateral flow tilted plates are arranged in bilateral symmetry in the direction of water flow in the sand-separating chamber, the tilted plates are tilted downwards and are provided with fins which are perpendicular to the direction of water flow and the plane of the tilted plates, and a sand-settling channel is left in the symmetry axis position of left and right lateral flow tilted plates and is communicated with the self-cleaning sand discharge bucket at the lower part. The device can be widely used in rivers having a high floater and sand content, and can be also used in water intake engineering using lakes, reservoirs or other water bodies as the water source. Besides, the device can effectively prevent the blocking of weeds and other floaters in water, effectively remove sand in water, omit the special sand basin and simplify the subsequent water treatment process, thereby achieving the purposes of reducing the abrasion of water pump impellers and subsequent water treatment structures, saving the capital investment, saving the occupied area and lowering the water intaking cost.

The invention belongs to the technical field of rice production equipment and particularly relates to a rice primary cleaning method. The rice primary cleaning method comprises the following steps ofextracting a screening module from an organic rice fine processing and screening device; preparing a plurality of two types of ring-shaped magnets with different outer diameters, adhering gauze onto the inner side of every ring-shaped magnet with a gap formed between the gauze and the ring-shaped magnet, mounting the two types of ring-shaped magnets with different outer diameters onto the inner walls of the outer barrel and the inner barrel of the screening module of the organic rice fine processing and screening device, and resetting the screening module; spraying clean water onto rice to bescreened, blow-drying the water-sprayed rice with an air cooler, and feeding the dried rice into the screening module of the organic rice fine processing and screening device for screening; starting the motor, the air pump and the dust cleaner of the organic rice fine processing and screening device, wherein the motor drives the screening module the screen the rice and the dust cleaning to clean dust in air. The rice primary cleaning method can improve the cleaning quality and save the workload of secondary cleaning.

A rainwater pipeline rotational flow grit chamber comprises a grit chamber body, a water inlet pipe, a water outlet pipe and a sand collecting hopper arranged at the bottom of the grit chamber body. The bottom face of the grit chamber body is inclined, the top of the grit chamber body is provided with a guide plate in an inverted circular truncated cone shape, a center shaft of the guide plate coincides with a center shaft of the grit chamber body, the walking direction of the water inlet pipe is in tangent with the side wall of the grit chamber body, the cross section of the water inlet pipe is in square, the initial end of the water outlet pipe is connected with the lower edge of the guide plate, a center column is arranged above the sand collecting hopper to prevent sediment falling into the sand collecting hopper from overflowing, a sand pump is arranged in the sand collecting hopper, and the sediment in the sand collecting hopper is pumped to the ground through the sand pump via a connecting pipe internally penetrating through the center column. According to the rainwater pipeline rotational flow grit chamber, high sand removing efficiency is kept without arranging a paddle and a filtering device, operation management is conveniently carried out, and the rainwater pipeline rotational flow grit chamber is suitable for reduction control over the rainwater pipeline sediment.

An environment-friendly road surface sand cleaning equipment for highway engineering, comprising a base plate, a support device located above the base plate, a lifting device arranged above the support device, a driving device, and a first cleaning device arranged on the base plate device, and the second cleaning device arranged on the lifting device. The invention can effectively clean the fine sand on the road surface, has high sand cleaning efficiency, low labor intensity, simple operation, convenient use, manpower saving, and is suitable for popularization and application.

The invention discloses a combined efficient desander. The desander comprises a tank body, a liquid outlet pipe, an inclined sedimentation device, a liquid inlet pipe, rotary blades, a rotary shaft, arotary sand discharging device, a motor, a valve, a sand sedimentation box and a spiral conveying device. A stock solution enters the desander from a feeding opening along the tangential direction ofthe tank body; strong rotational movement occurs under the driving of the rotary blades; due to the fact that density of sand and water is different, water and fine solid particles with low density ascend under the combined action of centrifugal force, centripetal force and fluid drag force, secondary sedimentation is carried out through the inclined sedimentation device, and then the water and fine solid particles with low density are discharged from a water outlet; sand grains with large density enter the spiral conveying device through the valve at the bottom of the desander, third sedimentation is carried out by the sand sedimentation box, and finally the sand grains with large density are discharged from a sand outlet. The desander solves the problems that a conventional desander isdifficult for treating dirt with small specific gravity, is small in treatment amount and is low in desanding efficiency.

The invention discloses an urban sewage treatment process suitable for quasi IV-class water standards. The urban sewage treatment process comprises a first-stage pretreatment system, a second-stage biochemical treatment system and a third-stage deep treatment system. High-precision hydraulic cyclone desanding is adopted in the first-stage pretreatment system. The second-stage biochemical system adopts a multi-stage multi-section A/O process; a biological tank is sequentially arranged into a first-stage anaerobic/aerobic zone and a multi-stage anoxic/aerobic zone, and internal reflux is avoided. Effluent of the biological tank enters a secondary sedimentation tank, part of sludge in the secondary sedimentation tank flows back to an anaerobic zone of the biological tank, and residual sludgeenters a sludge system for concentration and dehydration treatment. Effluent of the secondary sedimentation tank passes through a drum micro-filter, and finally effluent is disinfected, can be discharged outside after reaching the quasi IV-class water standards, and can also be used for reuse such as site washing, greening and the like. The sewage treatment process provided by the invention has good effects of removing organic matters and SS and removing nitrogen and phosphorus, and can stably realize the quasi IV-class effluent standards.

The invention relates to a precoated sand casting method for large castings. The large castings are hoisted and subjected to sand removal through the combined work of a hoisting plate, hoisting rings,digging devices, clamping devices, a driving device and knocking devices. According to the precoated sand casting method for the large castings, the problems that when an existing casting device forthe large castings is used for casting the large castings, the cast castings are usually directly hoisted out of a sand mold after being directly locked and fixed, the castings are likely to slide with a locking mechanism in the hoisting process, so that the castings fall off, then the situation of personnel injury is caused, meanwhile, after the castings are hoisted to a designated position, residual sand on the surfaces of the castings needs to be manually removed, due to the fact that the large castings are large in size and complex in shape, the manual sand removing efficiency is low, andthen the casting efficiency of the large castings is low are solved.

The invention belongs to the field of casting equipment, and particularly discloses a casting sand removing device. The casting sand removing device comprises a sand removing box; a horizontal first movable plate and a horizontal second movable plate are sequentially arranged in the sand removing box from top to bottom in a sliding manner; the first movable plate and the second movable plate are both inclined; the first movable plate and the second movable plate are inclined in opposite directions; sand through holes are formed in the first movable plate and the second movable plate; a first push rod is vertically connected between the first movable plate and the second movable plate in a sliding manner; the top end of the first push rod is propped against the first movable plate; the bottom end of the first push rod is propped against the second movable plate; a first passage is arranged at the low end of the first movable plate; a second passage is rotationally connected with the inner side wall of the sand removing box below the first passage; spiral bulges are arranged on the inner wall of the first passage and the inner wall of the second passage; bristles are densely distributed on the bulges; a receiving slot is arranged between the first passage and the second passage; and a second push rod is connected with the receiving slot in a sliding manner. The device can turn over automatically when used for sand removal of castings.

The invention relates to a rail ballast bed sand removal vehicle, which comprises a vehicle body A and a vehicle body B. The vehicle body A and the vehicle body B are connected through a connecting beam (11), and the vehicle body A comprises a vehicle body A main vehicle frame (33), a vehicle body A front bogie (2) and a vehicle body A rear bogie (9); the front lower part and the rear lower part of the vehicle body A main vehicle frame (33) are provided with the vehicle body A front bogie (2) and the vehicle body A rear bogie (9) correspondingly; the front upper part of the vehicle body A mainvehicle frame (33) is provided with a vehicle body A driver cab (34), and a mechanical sand removal device is fixedly mounted in the middle of the vehicle body A main vehicle frame (33); and front-row sand ploughs (1) are mounted on the front part of the vehicle body A front bogie (2) and the lower part of the vehicle body A driver cab (34). Compared with the prior art, the rail ballast bed sandremoval vehicle has the beneficial effects that through the front-row sand ploughs and rear-row sand ploughs which are arranged at the two ends of the vehicle correspondingly, when a railway encounters a serious sand disaster and steel rails are buried, normal sand removal operation of the sand removal vehicle can be guaranteed; and by arranging a side suction sand removal device and a main suction working trolley, the sand removal efficiency, quality and effect are improved.

The invention discloses an automatic liquid discharging and sand removing separator. The automatic liquid discharging and sand removing separator comprises a shell, wherein a supporting plate is fixedly connected to the side wall of the shell; a plurality of supporting columns are fixedly connected to the bottom side wall of the supporting plate; a natural gas outlet, a feeding port, a mixture outlet and a pressure dividing port are formed in the side wall of the shell; a feeding pipe is fixedly connected to the feeding port; a cyclone, a coalescer and a mist catcher are sequentially arranged in the shell from bottom to top; an air outlet pipe is fixedly connected to the natural gas outlet; and a fifth connecting pipe is fixedly connected to the side wall of the air outlet pipe. The automatic liquid discharging and sand removing separator is high in sand removing efficiency, capable of achieving a continuous sand discharging function, simple to install, capable of achieving automatic liquid discharging after being installed and debugged to run normally, free of manual assistance and capable of saving working hours, and other equipment can be used only through cooperation of at least two sets of equipment.

An inlet arrangement for a tray-based grit removal system utilizes a set of separate inlet hoses to connect the vertical stack of trays to a horizontally-disposed inlet chute, thus eliminating the inlet duct utilized in prior art configurations. Each hose is configured to have about the same length and diameter, providing an essentially uniform influent pressure at the input to each tray. The hoses are directly connected between the trays and the inlet chute, where each tray may be formed to include a hose coupler of the same diameter as the hose. The inlet chute may take the form of a trough or tube (or other suitable geometry), with the plurality of hoses all terminating along a common, horizontal output face of the chute.

The invention discloses a vertical vibrating sand removal device. The vertical vibrating sand removal device comprises a base, hammering mechanisms, a vibrating mechanism, an air spring lifting mechanism and an upper clamping seat; the vibrating mechanism comprises vibrating motors, an upper bracket, a lower bracket and vertical plates; the upper bracket is connected with the lower bracket throughthe vertical plates; the vibrating motors are fixed to the side edges of the upper bracket and the lower bracket through a side plate; the air spring lifting mechanism comprises an air spring, a guide rod, a fixed spring and a fixed plate; the air spring is installed on the lower bracket; the guide rod is arranged on the air spring, and sequentially penetrates through the fixed spring, the upperbracket and the fixed plate vertically upwards; the fixed plate is connected with the upper bracket; the upper part of the guide rod is connected with a workbench; springs are arranged between the workbench and the upper bracket; the upper clamping seat is provided with clamping arms, and is installed on the upper bracket; the lower bracket is arranged above the base; buffering assemblies are arranged between the lower bracket and the base; and the hammering mechanisms are located above the workbench. A casting can be rapidly fixed, the casting is fixed firmly, and has a free space to shake inthe vibrating process, the base is stable, sand removal is complete, and the efficiency is high.

The invention relates to an anaerobic jar mechanical sand discharging device. The anaerobic jar mechanical sand discharging device comprises a bottom surface, a sand discharging collecting pit, a gasrelease pipe, a gas conveying pipe, a gas pump or a high-pressure fan, an inverted trapezoidal sand lifting bucket, a sand lifting bucket lifting chain, a chain supporting chain wheel, a chain wheel driving mechanism, a baffle, a sand storage bucket, a gate valve, a sand discharging pipe and a double-layer ash discharging valve, wherein the bottom surface is inclined in an anaerobic jar; the sanddischarging collecting pit is arranged at the lower position of the inclined bottom surface; the gas release pipe for stirring is arranged in the anaerobic jar and near the bottom surface and the bottom surface of the sand discharging collecting pit; the gas conveying pipe is communicated with the gas release pipe and an upper gas cavity in the anaerobic jar; the gas pump or the high-pressure fanis arranged on the gas conveying pipe; the inverted trapezoidal sand lifting bucket is arranged in the sand discharging collecting pit; the baffle is used for touching the sand lifting bucket to tiltand discharge sand; the sand storage bucket is arranged outside the anaerobic jar and is hermetically connected with the opening of the anaerobic jar; the gate valve is arranged at the lower end of the sand storage bucket; the sand discharging pipe is connected with the gate valve; the double-layer ash discharging valve is mounted on the sand discharging pipe. The anaerobic jar mechanical sand discharging device has the following positive effects: the method and the mechanical structure of inclining the jar bottom, stirring the lower part by gas to collect sand, gaining sand by using the lifting bucket and discharging sand by using the storage bucket are adopted, so that the phenomenon that the sand is dispersed and retained at the jar bottom is eliminated, a sand discharging route from the jar is changed, blockage is avoided, and the sand discharging workload is reduced.