1516results about How to "Easy outflow" patented technology

A metering system for controlling the flow of a fluid is disclosed. The metering system comprises a metering device, two input valves that actively control flow of fluid into the metering device, and two output valves that actively control flow of fluid from the metering device. The input and output valves are selectively opened and closed to cause metered amounts of fluid to be dispensed from the metering device through the output valves.

The method provided by the invention comprises the following steps: a machine body, a walking part, a lifting part, a reciprocating pounding part and the like are arranged; a pounding guide element and the like are arranged on a pounding guide device; pounding heads are arranged at two ends of the pounding guide element, so that a power pounding element drives the pounding guide element; the reciprocating pounding part is arranged on the lifting part; the lifting part is arranged on the machine body; and the walking part drives the machine body to move ahead and retreats so as not to turn the machine body to excavate and drop materials forward and backward. Equipment provided by the invention comprises the machine body, the walking part, the lifting part, the reciprocating pounding part and the like; the reciprocating pounding part comprises the pounding guide device, the pounding driving device and the like; the pounding heads are both arranged at two ends of the pounding guide element; the pounding driving device comprises the power pounding element and the like; the power pounding element drives the pounding guide element to move in a reciprocating mode; the pounding guide element drives the pounding heads to pound; the reciprocating pounding part is arranged on the lifting part; the lifting part is arranged on the machine body; the walking part drives the machine body to move ahead and retreat so as not to turn the machine body to excavate and drop materials forward and backward.

A method of treating glaucoma in an eye utilizing an implanted shunt having an elastomeric plate and a non-valved elastomeric drainage tube. The plate is positioned over a sclera of the eye with an outflow end of the elastomeric drainage tube open to an outer surface of the plate. An inflow end of the drainage tube tunnels through the sclera and cornea to the anterior chamber of the eye. The drainage tube collapses upon initial insertion within an incision in the sclera and cornea, or at a kink on the outside of the incision, but has sufficient resiliency to restore its patency over time. The effect is a flow restrictor that regulates outflow from the eye until a scar tissue bleb forms around the plate of the shunt. The plate desirably has a peripheral ridge and a large number of fenestrations, and a longer suturing tab extending from one side of the plate to enhance visibility and accessibility when suturing the shunt to the sclera.

The invention relates to an automatic filling device and a control method of the automatic filling device. The automatic filling device comprises a detergent storer, a filling amount detecting container, a controller, and a switch valve module, wherein the filling amount detecting container is used for temporarily storing the filled detergent, detecting and feeding back the filling amount of the detergent in a real time manner; the controller is used for receiving the feedback signal from the filling amount detecting container and judging whether the filling amount of the detergent is up to the preset filling amount; the switch valve module is controlled by the controller to allow the detergent storer to be communicated with or separated from the filling amount detecting container; when the detergent filling amount is not up to the preset filling amount, the detergent storer is communicated with the filling amount detecting container, and the detergent flows from the detergent storer to the filling amount detecting container; and when the detergent filling amount is up to the preset filling amount, the detergent storer is separated from the filling amount detecting container. The automatic filling device can accurately control the detergent filling amount, be suitable for the fields of household appliances and industrial application, especially for washing machines or dish-washing machines.

The invention relates to separation equipment, in particular to garbage water separation equipment. The technical problem to be solved by the invention is to provide the active garbage water separation equipment provided with a cleaning device and having good compression effect. In order to solve the technical problem, the invention provides the garbage water separation equipment. The garbage water separation equipment comprises a treatment box, a protective cover, a first motor, a spiral rod, a first guide plate, a collecting box, a water outlet pipe, a second motor, crushing rollers, a push rod, a push plate and the like; the upper part of the treatment box is cone-shaped; the back wall of the upper part in the treatment box is connected with the protective cover through a screw connecting mode; the first motor is arranged in the protective cover; an output shaft of the first motor is connected with the spiral rod through a coupling; and first through holes are uniformly formed in the left and right two sides of the upper part of the treatment box. The garbage water separation equipment is provided with the rotating spiral rod, so that garbage can be quickly leaded between the crushing rollers, and can be stirred to a certain extent.

The invention discloses an ultrasonic laser composite dressing device for a superabrasive grinding wheel. The ultrasonic laser composite dressing device is mainly formed by an ultrasonic vibration dressing system, a laser transmitting system and a lathe bed. A laser transmitter transmits energy to a laser focusing head with a focusing head fixing and adjusting device through optical fibers, laser beams are focused during work to heat the rotating grinding wheel in front of a dressing point at proper energy density for proper heating time, an ultrasonic generator transmits an ultrasonic frequency signal to an ultrasonic transducer, the ultrasonic frequency signal is converted into mechanical vibration through the transducer to be transmitted to an amplitude-change pole, waves, generating longitudinal vibration, of the amplitude-change pole will be decomposed at the position, where a diamond slot is formed, of the small end, the vibration type involves longitudinal vibration and bending vibration, composite elliptical ultrasonic vibration is formed at the point of a diamond dressing stylus for dressing, and after the dressing stylus completely disengages from the grinding wheel, the dressing stylus will be moved to the position where dressing is started for the next time and starts dressing for the next round. In the dressing process, under the recombination action of ultrasonic vibration and laser auxiliary heating, removal of partial materials of the grinding wheel is changed from brittle removal into plastic removal, cutting force is reduced, abrasion to the dressing stylus is reduced, and the dressing efficiency and dressing result are improved.

The invention relates to pipeline automatic dirt-clearing cleaning equipment and a pipeline automatic treatment method. The pipeline automatic dirt-clearing cleaning equipment comprises a bottom plate, a pipeline body, two translation supporting devices, a clamping device and a cleaning device, wherein the left side of the upper end of the bottom plate is provided with the two translation supporting devices, the pipeline body is placed on the two translation supporting devices, the right sides of the two translation supporting devices are provided with the clamping device, the left end of theclamping device is connected with the pipeline body in a clamped manner and is provided with the cleaning device, and the cleaning device is located inside the pipeline body. By means of the pipelineautomatic dirt-clearing cleaning equipment and the pipeline automatic treatment method, the problems that manual carrying is generally performed in the dirt-clearing cleaning process of existing mud conveying corrugated pipelines, and the labor intensity is high; manual cleaning is generally performed in cleaning, the manual cleaning efficiency is low, and the cleaning effect is poor; and when themanual cleaning is performed, grooves of the inner wall of the pipeline body can not be cleared to cause a large amount of silt to remain inside the grooves of the inner wall of the pipeline body, the use effect is affected, the labor intensity is high, the work efficiency is low and the like can be solved.

The invention discloses a method for extracting grape seed oil by cold pressing, which can ensure the natural characteristic of the grape seed oil, is less in nutritional ingredient loss, and meanwhile can obtain higher oil extraction rate. The method comprises the step of adding compound enzyme enzymolysis process in the grape seed preprocessing step. The invention has the benefits that the technical scheme is that the cell walls of grape seeds are further destroyed by adopting an enzymolysis technology to facilitate oil flowing out, and then the grape seeds are cold-pressed to extract oil. The invention has the advantages that the natural characteristic of the grape seed oil can be ensured, the nutritional ingredient loss is less, and meanwhile, higher oil extraction rate can be obtained, so that the resources can be utilized more sufficiently. From the aspects of the production technology, the technological parameters and the product quality, as compared with the similar technology, the method adopting the technical scheme shows a good application effect and is high in product quality.

The invention discloses an agricultural grain drying device, which comprises a machine body, the top of the left side of the machine body is connected with a feeding hopper, the top of the left side of the inner cavity of the machine body is fixedly connected with a connecting plate, and the bottom of the connecting plate is fixedly connected with There is a vibrating motor, a dryer is fixedly connected to both sides of the top of the body, and a baffle is fixedly connected to the right side of the inner cavity of the body. The invention can dry the grain through the setting of the dryer, through the setting of the vibrating motor and the connecting plate, it is convenient for the grain to slide down, and at the same time, the uniformity of drying is increased. Through the setting of the motor, the turntable and the fixed rod can be driven to rotate, Through the setting of movable rods, connecting rods and movable racks, the sieve can be driven to shake and the grain can be screened. At the same time, it solves the problem of uneven drying when drying the grain and the impossibility of screening the impurities in the grain, which reduces the The problem of drying efficiency of grain.

The invention provides a portable dustproof jade polishing device and belongs to the field of jewel processing. The portable dustproof jade polishing device comprises a base. A supporting plate is vertically and fixedly connected on the left side of the upper end face of the base. A rotary table is horizontally arranged at the center of the upper end face of the base. A sliding way body in a horizontal position is fixedly connected on the upper side of the rotary table through a supporting rod. A millstone is used for polishing jade; a glass cover is used for preventing fly-out of dust in the polishing process and is convenient for an operator to observe the internal situation; a first clamping plate and a second clamping plate jointly clamp the jade and enables the edge, needing to be polished, of the jade to abut against the end face of the millstone; when a corner to be polished is linear, a movable rod is slid forth and back along a strip-shaped penetrating opening, the first clamping plate and the second clamping plate slide forth and back jointly by means of a sliding wheel on the lower side, and accordingly the side edge of the jade is polished; and when the corner to be polished is curve, the first clamping plate and the second clamping plate are rotated circumferentially by means of the rotary table connected at the bottom of the sliding way body to polish.

The invention relates to an oil displacement composition used for low permeability oil reservoirs, and a preparation method thereof, and mainly solves the problems of easy stratum obstruction and difficult injection in the low permeability oil reservoir oil displacement process of present composite flooding polymers. The oil displacement composition contains a long carbon chain betaine surfactant and an inorganic salt, wherein the long carbon chain betaine surfactant is anyone selected from long chain carboxylic acid betaine and sulfonic acid betaine, the carbon chain is a C14-C40 alkyl or alkenyl group, the inorganic salt is anyone of or a composition of CaCl2, MgCl2, NaCl and NaHCO3, and a mass ratio of the long carbon chain betaine surfactant to the inorganic salt is 1:(1-100). The oil displacement composition has the advantages of formation of oil-water ultralow interface tension, decompression and augmented injection, and simple system, well solves the problems, and can be used in the intensified oil production process of the low permeability oil reservoirs.

The invention discloses a double rotational flow premix type metallurgical nozzle which solves the problem that a material in the metallurgical nozzle is not mixed fully with a gas. The double rotational flow premix type metallurgical nozzle comprises a central cylinder of a feed pipe, wherein the feed pipe is externally and sequentially provided with a separating pipe having an increasing diameter and an air cavity pipe in a sleeved manner; a rotational flow mixer is arranged at the front end of the feed pipe; the rotational flow mixer is provided with a plurality of flow guide sheets which are arranged circumferentially between two concentric rings; and the inner wall of the end of the air cavity pipe which enters into a furnace cavity is tapered, so that the gas flowing out rushes to the material which comes from the feed pipe. According to the nozzle disclosed by the invention, the material and the gas are mixed for the second time, so that the mixing is ensured to be sufficient, generation of raw material stack and furnace accretion is avoided, stability of furnace conditions is enhanced, overhaul loss of the furnace conditions is reduced, heat efficiency of the reaction is improved, temperature at the upper part of a reaction tower is improved, and a chassis of a rotational flow type sprayer has low abrasion and no water leakage fault.

The invention discloses a container type electricity generation box for railway transportation. The container type electricity generation box comprises a box body, two diesel generator units, a fuel oil device, a fire protection system and two electric devices, wherein the diesel generator units, the fuel oil device, the fire protection system and the electric devices are all placed in the box body. The fuel oil device comprises two main oil tanks mounted in the middle of a box bottom frame assembly, and an auxiliary oil tank connected with oil outlets of the main oil tanks through oil tank connection pipelines correspondingly, and one of the main oil tanks communicates with the other main oil tank through the corresponding oil tank connection pipeline. Each diesel generator unit comprises a diesel generator mounted at one end of the box bottom frame assembly, a fuel heater mounted in the diesel generator, and a smoke discharge pipeline connected with the diesel generator. The container type electricity generation box is mainly applied to the railway transportation and supplies electricity to a refrigeration box and a heating container which conduct the railway transportation without power, and a remote control cabinet is arranged in the box body so that the electricity generation box can be monitored under the unattended condition.

A granular material vibrating cooler comprises a ventilating mechanism, wherein a material cooling chamber and a vibrating mechanism are fixedly mounted on the a base, a material inlet and an air outlet are arranged on the upper portion of the material cooling chamber, and a material outlet is arranged on the lower portion, air inlets are evenly arranged on two corresponding lateral wall of the material cooling chamber, the air inlet is connected with an air inlet pipe, the ventilating mechanism which is mounted in the material cooling chamber is provided with a plate-frame skeleton and a certain amount of air grooves. An opening of the air groove is arranged downwards, the air grooves which have at least two layers are alternately arrayed in parallel and penetrated through and fixed on the plate-frame skeleton, two ends of the air groove are positively faced to the air inlets and communicated with the air inlets. The plate-frame skeleton is connected with the ventilating mechanism by penetrating the two lateral wall of the material cooling chamber through a connecting piece. The granular material vibrating cooler adopts the mode that cold air blast is combined with vibration, which has a good cooling effect on high temperature material, in particular to composite fertilizer which is being cooled. The invention cools completely, which can not being hardened, and is benefit to popularization and application.

The invention relates to a surfactant combination for enhancing oil recovery and a preparation method thereof, and mainly solves the problem of low oil displacement efficiency in the tertiary recovery process in the existing surfactants and the problem of damage to stratums and oil wells, corrosion of equipment and pipes and difficulty in demulsification because inorganic base is contained in oil displacement systems. The surfactant combination comprises a cationic surfactant and an anionic-nonionic surfactant, wherein the cationic surfactant is selected from any one of quaternary ammonium salt and quaternary ammonium alkali; the anionic-nonionic surfactant is a surfactant containing ethoxy nonionic groups and carboxyl or sulfo anionic groups; the mol ratio of the cationic surfactant to the anionic-nonionic surfactant is (1:0.01) to (1:100). The surfactant combination and the preparation method thereof preferably solve the problems, and can be applied to the tertiary recovery process of oil fields.

The invention specifically relates to a method for retaining vertical impact of an impacting mechanism and a vertical-lift impact-cutting digger implementing the method, belonging to the field of machinery, especially to the field of mining. The digger comprises a body, the impacting mechanism and a vertical lift mechanism, wherein the impacting mechanism comprises a guiding member and an impacting head, the vertical lift mechanism comprises a vertical lift driving unit, a lifting and moving part, a supporting seat and the like, the lifting and moving part is movably connected with the supporting seat, the supporting seat is connected with the body, the impacting mechanism is arranged on the lifting and moving part, the vertical lift driving unit drives the lifting and moving part to vertically move up and down, and the lifting and moving part drives the impacting mechanism to vertically rise and fall. The digger provided by the invention has the advantages of a long service life, a small amount of maintenance, high work efficiency, shortened body length and applicability to a complex usage occasion.

The invention discloses a building sand and stone efficient crushing and stirring device, which comprises a processing box, a heating chamber, an electric heater, a water box, a water inlet pipe, a crushing box, a crushing roller, a water spraying pipe, a backflow pipe, a stirring box, a stirring motor, stirring blades, a filter plate, a guide plate and an aeration pump, wherein the electric heater is arranged in the heating chamber; the bottom end of the heating chamber communicates with the crushing box through a first material conveying pipe; the top end of the processing box is provided with the water box; a dust suction device is arranged in the processing box; the stirring motor is arranged on the stirring box; an output shaft of the stirring motor is connected with a rotating shaft;the rotating shaft is provided with a plurality of groups of stirring blades; the filter plate is arranged inside the stirring box; a sand outlet pipe is arranged on the side wall of the stirring box; the stirring blades are arranged above the filter plate; a spray bar communicates with the aeration pump; the bottom end of the stirring box is provided with a guide plate in an inclined way; the lowest end of the guide plate is provided with a water outlet pipe. The building sand and stone efficient crushing and stirring device has the advantages that the environment-friendly effect can be ensured; the blockage of filter holes of the filter plate by sand and stone can be avoided; resources and cost can be reduced; the structure is simple; the use is convenient; the popularization is facilitated.

The invention relates to an integrated device, in particular to a flushing and juicing integrated device for fruits, and aims at providing the flushing and juicing integrated device for the fruits which saves time and effort, can not only flush the fruit but also conduct air-drying on the fruits, and does not influence the taste of fruit juice. To achieve the technical purpose, the flushing and juicing integrated device for the fruits comprises a base plate, a support plate, a first transverse plate, a first air cylinder, a support rod, an electric winding wheel, a first collection frame, a cleaning frame, a torsion spring, a baffle, a first pull line and the like; the support plate is installed on the left side of the top of the base plate in a bolt connection mode. According to the flushing and juicing integrated device for the fruits, through the left-right movement of blades, the fruits can be fully cut, and therefore juicing is more convenient, the taste of the fruit juice is better, and through a lower hopper and a valve, the fruit juice can flow out better.

The invention discloses a partition net with a novel multi-layer structure of a spiral roll-type membrane component. The partition net can improve the pollution-proof capacity of the spiral roll-type membrane component, and reduce the flow resistance of a raw material flowing side of the membrane component. A method for reducing pollutants on the surface of the spiral roll-type membrane component is characterized by comprising the following steps: A, a partition net structure is utilized to divide a raw material fluid in the membrane component into two parts, namely, a membrane surface and a middle layer; B, a partition net grid structure, which is close to a separating membrane side, is used for strengthening the turbulence on the surface of the separating membrane, and the power of the fluid is utilized to enable impurities in the raw material fluid to be unlikely to stay and deposit on the surface of the separating membrane; C, the middle layer of the partition net grid structure is used for reducing the flow resistance along a flowing direction of the raw material fluid, so that impurities, which are involved in the middle layer in the step B, can flow out of the membrane component as soon as possible.

The invention discloses a magnetic drainage type self-repairing roof insulation board, and belongs to the technical field of insulation boards. According to he magnetic drainage type self-repairing roof insulation board, specially-made crack sensing trigger thorns are arranged, after an outer protection covered edge cracks, sunlight can penetrate through a multifunctional guide pipe to irradiate the surface of a hard heat absorption and conduction layer, elastic balloons expand to extrude an elastic connecting layer, thus, barbs are driven to puncture storage balloons, an automatic repair function is triggered, through the arrangement of repair storage balls, after the storage balloons are punctured, the gas-solid drainage body can flow to the cracking position through spherical grooves, circulation holes and the multifunctional guide pipe, so that the liquid repair body is guided to flow to the cracking position, after the crack repairing glue in the liquid repair body is cured at the cracking position, the crack can be repaired, therefore, the purpose of automatic repair is achieved, a series of troubles and dangers caused by manual repair are effectively avoided, the practicability is greatly improved, and the arrangement of the storage grooves, an expanding agent and an elastic diaphragm is beneficial to the flowing of the liquid repair body to the cracks.

A method and apparatus is provided for creating an internal reconstruction tissue graft. Templates may be used to create a multitude of patterns in a variety of tissue reconstruction grafts. An apparatus may be used to create an internal tissue graft for reconstruction through either compression and / or removal of segments. An apparatus may be used, through either compression and or removal of segments of a preformed template made of synthetics and or metal that mirrors a template that can be used as an internal tissue graft for reconstruction. In a method, such as using software analysis and an apparatus, the physical properties of the tissue graft and its pre- and post-operative properties and appearance may be measured.

The invention relates to the technical field of hydrate synthesis, storage and transportation and particularly relates to a supergravity hydrate synthesis device. The supergravity hydrate synthesis device comprises a cut-off valve, a one-way liquid valve, a nozzle, a one-way gas valve, a pressure regulating valve, a gas buffer tank, a compressor, a condenser, a turbine flowmeter, an ice maker, a pressure gauge, a pulping machine, a slurry pump, a surfactant storage tank, a Laval spraying valve, a mass flowmeter, a vertical three-phase separator and a supergravity reactor. The supergravity hydrate synthesis device adopts a supergravity technology for enhancing the heat transfer and mass transfer in a hydrate synthesis process, so that the reaction time is shortened, the equipment size decreases, the production cost is reduced, and a tapered outlet is formed so as to be helpful to the outflow of generated hydrates.

The invention discloses a compound canned water bucket, comprising a bucket body and a soft liner which is arranged in the bucket body and used for storing drinking water; the bucket body is provided with a vent hole or a vent slot which can allow the position at the highest water level and the position at the lowest water level in the bucket body to be communicated with the external atmospheric environment at the same time. The compound canned water bucket of the invention can guarantee the air circulation between the bucket body and the soft liner; therefore, when in use, the drinking water can be filled in the soft liner more conveniently and can flow out of the soft liner more smoothly, and the secondary pollution caused by mixing air in the drinking water in the use process can be eliminated as well, thus the washing cost in use can be saved and the service life of the bucket can be prolonged.

The invention relates to a leaf spring (1) consisting of a fibre-composite material and having a central longitudinal section (2) and two adjoining axial end sections for a wheel suspension in a vehicle, the end sections of said leaf spring tapering with respect to the leaf spring width. The leaf spring (1) is composed of resin-impregnated fibre layers and axially orientated uncut first fibres (6) of the fibre-composite material extend the full length of the leaf spring (1) to the two axial ends (5) of said spring. The axial ends (5) of the unfinished untreated leaf spring (1'), when viewed from above, have an essentially V-shaped geometry or an essentially V-shaped notch and thus form two respective limbs (8, 9) lying transversally to the longitudinal extension of the axis of the untreated leaf spring (11), said limbs (8, 9) abutting one another in the finished leaf spring (1).; To further develop a leaf spring (1) of this type, according to the invention, the fibre fraction at least in the region (11) of the axial ends (5) of the untreated leaf spring (1') is smaller than that contained in the neighbouring axial regions (2, 3, 4).

A method and apparatus is provided for creating an internal reconstruction tissue graft. Templates may be used to create a multitude of patterns in a variety of tissue reconstruction grafts. An apparatus may be used to create an internal tissue graft for reconstruction through either compression and / or removal of segments. An apparatus may be used, through either compression and or removal of segments of a preformed template made of synthetics and or metal that mirrors a template that can be used as an internal tissue graft for reconstruction. In a method, such as using software analysis and an apparatus, the physical properties of the tissue graft and its pre- and post-operative properties and appearance may be measured.

The invention relates to an oil-displacement surfactant composition, a preparation method and application, and mainly solves the problems that conventional surfactants are bad in oil displacement efficiency in the process of tertiary oil recovery, and an oil displacement system damages stratums and oil wells, corrodes equipment and pipelines and cause demulsification difficulty because of a contained inorganic base. The employed oil-displacement surfactant composition comprises a cationic surfactant and an anionic-nonionic surfactant with the molar ratio of 1:0.01-1:100, wherein the anionic surfactant is at least one selected from quaternary ammonium salts or quaternary amine bases, and the anionic-nonionic surfactant has the molecular general formula shown in the specification, and the in general formula, M is any one of alkali metals, alkali earth metals and ammonium radical. The technical scheme relatively well solves the above problems, and is applicable to an enhanced oil recovery process of oil fields.

The invention provides an electrophoretic paint uniform-speed stirring device based on resistance adjustment, and relates to the technical field of electrophoretic paint stirring. The electrophoreticpaint uniform-speed stirring device based on resistance adjustment includes a housing; a base is fixedly mounted at the bottom end of the shell; a rotating shaft is rotatably connected to the interiorof the shell; a lantern ring is slidably connected to the periphery of the rotating shaft, a transmission rod is in transmission connection between the lantern ring and the periphery of the top of the rotating shaft, a connecting plate is rotatably connected to the periphery of the transmission rod, stirring blades are fixedly mounted at the end, away from the transmission rod, of the connectingplate, and a sleeve is fixedly mounted at the top end of the shell. According to the electrophoretic paint uniform-speed stirring device based on resistance adjustment, the stirring range can be guaranteed, meanwhile, after stirring is completed, flowing-out of an electrophoretic paint can be facilitated, then the working efficiency is improved, self-adjustment of the rotating speed of the motor is achieved, the motor can better drive the rotating shaft to rotate at a uniform speed, and the stirring effect is improved.

The invention discloses an automatic sand and gravel bagging machine which comprises a hopper, a fixed frame, a rotating plate fixing base, a rotating plate, a tying machine and a jacking table. A discharge port is formed in the bottom of the hopper and provided with an electromagnetic valve. A vibration swing hammer is arranged on the side wall of the hopper or the fixed frame. The rotating plate fixing base is coaxially arranged below the hopper. The outer side wall of the rotating plate fixing base is fixedly connected with the fixed frame. A plurality of woven bag fixing bases are arranged on the rotating plate. Each woven bag fixing base comprises a through hole, an electromagnet and a metal pressing block, wherein when the electromagnet is powered on, the metal pressing block can attract the electromagnet. The tying machine is arranged below the rotating plate and coaxial with the discharge port. The tying machine comprises an opening sealing machine head and a nail plate. A weighing sensor connected with the electromagnetic valve is arranged on the jacking table. By means of the machine, material blockage can not easily happen, blocking materials or wall-sticking materials can be automatically removed, the bagging amount can be automatically controlled, and bagging efficiency is high. The automatic opening sealing operation of sand and gravel bags can be achieved, opening sealing efficiency is high, opening sealing quality is good, and material leakage can not easily happen.

The invention discloses an experimental device for simulating working conditions of a filter press. The experimental device comprises a barrel, a filter press piston is arranged in the barrel, a liquid outlet pipe communicated with a filter cavity is arranged on a first end cover at one end of the barrel, and end cover filter cloth is arranged at one end of the first end cover positioned in the filter cavity; a second end cover is arranged at the other end of the barrel, a movable liquid outlet pipe penetrates through the second end cover and is communicated with a liquid through hole in the filter press piston, and piston filter cloth is arranged at one end of the filter press piston positioned in the filter cavity; and an air inlet pipe communicated with a pressure cavity is arranged on the second end cover. The outer wall of the movable liquid outlet pipe is provided with scales. According to an experimental method for simulating the working conditions of the filter press by adopting the device, the discharge quantity or the thickness of filter cakes is read by the scales on the movable liquid outlet pipe. The device and the method simulate the actual working conditions of the filter press as much as possible, the experimental data are reliable, and the experimental data can be quickly acquired.