12results about How to "Filter thoroughly" patented technology

This utility model discloses a tailings treatment solidifying agent spraying device, comprising a frame and a storage tank, wherein the frame is fixedly connected to the storage tank; a connecting rod connected to the frame and communicating with the storage tank; a fixed rod at the end of the connecting rod, which is rotatably connected to a plurality of fan-shaped plates with inclined surfaces; a housing connected to the end of the connecting rod, wherein the peripheral wall of the housing is provided with a first through hole and a second through hole; a plurality of filter elements with flow channels are provided on the outer wall of the housing, wherein the inner wall of the filter element is provided with an inlet corresponding to the first through hole and an outlet corresponding to the second through hole; a filter plate is provided between the inner wall and the outer wall of the filter element, wherein the filter plate is located between the inlet and the outlet, and the internal area of ​​the filter plate is provided with a plurality of filter holes to filter large particulate impurities in the solidifying agent flowing into the filter element, and the structure is simple.

The utility model discloses a kind of crystallizing tank devices of automation precision temperature control, it is related to crystallizing tank technical field, specifically a kind of crystallizing tank devices of automation precision temperature control, including crystallizing tank main body, further include filter component;By setting first collecting hopper, cylinder, second collecting hopper and spiral conveying rod and the structure such as etc., the efficient filtration to impurity in crystallization is realized.Crystalline is conveyed to right side under the driving of spiral conveying rod, falls down impurity through filter screen in the process, while fixed rod on spiral conveying rod further drives crystalline to turn over, improve filtering effect.In addition, cylinder can slide left and right under the driving of second motor, further enhance the turning effect of crystal, make impurity more fully contact with filter screen, to realize more thorough filtration.Compared with prior art, the filtering efficiency of the utility model is significantly improved, can effectively remove impurity in crystallization, improve the purity of product, satisfy the demand of high-purity product production.

The utility model provides a test system and device for a vehicle-mounted refrigerator, and relates to the technical field of testing, and the test system comprises a power module, a communication module, a control module and a switch module. The power module is connected with the battery; the communication module is connected with the power supply module and the vehicle-mounted refrigerator; the control module is connected with the power module and the communication module; the switch module is connected with the power supply module and the control module, when the switch module works in a first conduction state, the control module controls the vehicle-mounted refrigerator to be switched to a refrigeration test mode through the communication module, and when the switch module works in a second conduction state, the control module controls the vehicle-mounted refrigerator to be switched to a heating test mode through the communication module. According to the test system, the test mode of the vehicle-mounted refrigerator can be correspondingly and automatically changed by changing the conduction state of the switch module, and the switching flexibility is high. And the professional demand is relatively low, the operation is simple, the cost is relatively low, and batch testing of the vehicle-mounted refrigerator is facilitated.

The invention relates to the technical field of permanent magnet synchronous motor control, and discloses a PMSM position sensorless control system with an improved SMO. An SMO module is improved; a second-order low-pass filter module; a position / rotating speed extraction module; a PI controller module; and an inverter module. According to the invention, a novel approach rate is designed, the approach gain can be dynamically adjusted according to system errors, and adaptive balance of acceleration approach in case of large errors and chattering suppression in case of small errors is realized; a saturation function easy to realize is adopted as a control switching function, buffeting during system control is reduced, and the control precision is improved; an integral sliding mode surface is adopted to replace a traditional sliding mode surface, the influence of stator resistance is eliminated, and the convergence speed and parameter disturbance resistance of a control system are improved; and a second-order low-pass filter is adopted, so that useless high-frequency interference signals can be attenuated more quickly, high-frequency noise can be filtered more thoroughly, and the estimation precision is improved.

The invention relates to a device for treating water for household use designed so as to be temporarily coupled to the mouth of a faucet to allow the continuous supply of treated water and the water to be treated being guided radially through the inside thereof. The device is formed by means of coupling a cylindrical receptacle (2) to an upper closing element (7), where the receptacle supports, on the inside thereof, a paddle blind (4) on which a hollow, cylindrical-shaped membrane (6) is supported, where said membrane accumulates a filter bed (14) therein. The inner wall of the receptacle is provided with ribs that extend longitudinally so as to define channels through which the treated water flows. The upper closing element is provided with grooves for the inflow of water to be treated, on which sealing means are supported for the coupling to the faucet.

The utility model discloses a kind of for sample detection box sample detection box sample collector, comprising: tube body component, for loading diluent;Pipe spoon component, it can be detachably installed on tube body component, to make its sampling end stretch into tube body component;The liquid outlet channel and back gas channel that are communicated with tube body component inside are provided in the pipe spoon component, first check valve and filter component are provided in the liquid outlet channel, the first check valve is configured as only fluid from tube body component one-way flows out sample collector, second check valve is provided in the back gas channel, the second check valve is configured as only fluid from sample collector outside one-way flows into tube body component;When the sample collector is inverted, external fluid is isolated by back gas channel and the liquid in tube body component and directly reaches the bottom of tube body component, solves the prior art in the art that sample liquid is mixed with a large number of bubbles and is added into sample detection box, improves sample detection precision.

The application discloses an embedded air purification module and a laser, wherein the embedded air purification module comprises an air purification frame, an air exchange assembly and a filtering unit arranged in the air purification frame, and a connecting part arranged on the air purification frame. In the embodiment of the application, the embedded air purification module and the laser are adopted, the air purification module is embedded on the laser body, the structure has high integrity and occupies small space, the output of the to-be-purified gas to the filtering unit is realized through the air exchange assembly, the to-be-purified gas is purified under the filtering effect of the filtering unit, meanwhile, the connecting part and the positioning hole are inserted and matched, the overall assembly and disassembly of the air purification module are facilitated, the filter material and the fault parts in the air purification module can be replaced and maintained in time, the connecting part and the positioning hole are provided with a guide and a multi-stage sealing design, blind insertion self-alignment and movable plugging can be realized, high-level sealing of the purification channel is realized, and leakage is effectively prevented.

The utility model discloses a multistage filtering device which comprises a shell, the shell is cylindrical, the bottom of the shell is open, a bottom cover is attached to the bottom of the shell, a liquid inlet pipe is fixedly connected to the bottom end of the side wall of the shell, a liquid outlet pipe is fixed to the middle of the top wall of the shell, and a plurality of filtering net cylinders are arranged in the shell. The multiple filter screen cylinders are different in diameter, meshes of the multiple filter screen cylinders are sequentially enlarged from inside to outside, connecting assemblies are fixed to the two sides of the upper surface of the bottom cover, and two connecting plates connected with the connecting assemblies in a matched and clamped mode are fixed to the bottom end of the outer side wall of the shell. According to the utility model, the shell, the bottom cover, the liquid inlet pipe, the liquid outlet pipe and the plurality of filter screen cylinders are arranged, the plurality of filter screen cylinders which are mutually sleeved are utilized to realize graded filtration of mother liquor, the filter screen cylinders are prevented from being quickly blocked, and the mother liquor can be more thoroughly filtered and the filtering effect is better by adopting a graded filtration mode.

The utility model belongs to the technical field of ultrasonic cleaning fluid, and particularly relates to a metal part ultrasonic cleaning fluid circulating filtering device which comprises a treatment box, and a first filtering plate, a second filtering plate and a third filtering plate are installed in the middle of the interior of the treatment box in a sliding mode. Mounting plates are fixedly mounted on the rear sides of the first filter plate, the second filter plate and the third filter plate, and connecting plates are fixedly mounted on the left side and the right side of each mounting plate. Metal scrap iron in cleaning liquid can be adsorbed through a magnet rod, then impurities in the cleaning liquid can be filtered through a first filter plate, a second filter plate and a third filter plate, and then the filtered cleaning liquid can be conveyed to the left side of the magnet rod through a mounting cylinder, a servo motor, a water pump impeller and a connecting pipe; according to the cleaning fluid filtering device, the cleaning fluid can be conveniently adsorbed and filtered again, and impurities in the cleaning fluid can be effectively removed through repeated cyclic adsorption and filtration, so that the impurities in the cleaning fluid can be filtered more thoroughly.

A Chinese herbal medicine humic acid bacterial agent stirring device belongs to stirring equipment technical field. The shell has a supporting leg, the shell is fixed with the top cover, the top cover has a sealing door, the top cover is connected with the rotating rod, the rotating rod side wall has a connecting piece, a connecting plate one, a plurality of stirring rods, a connecting plate two and a shovel plate three, the connecting piece is connected with the rotating rod, the connecting piece is connected with the ring seat, the ring seat has a filtering mechanism, the connecting plate one is connected with the shovel plate one, the connecting plate two is connected with the shovel plate two, the rotating disc has a shaft and is connected with the rotating rod, the bottom plate is fixed with the shell, the bottom plate is connected with the motor base, the motor base is connected with the motor one, the motor one is inserted with the rotating rod, the bottom plate has a discharge port one, the discharge port one is communicated with the discharge mechanism. The utility model discloses through optimizing stirring structure, setting filtering mechanism, strengthening sealing, improving discharge mode and adopting convenient connection design, realized material mixing even, filter completely, environmental cleaning, discharge stable and prevent blocking and the effect of convenient maintenance, effectively promoted stirring quality and production efficiency.

The utility model provides a wine residue separating device for white spirit production, and particularly relates to the field of wine residue separating devices. The problems that in the prior art, a wine residue separation device for white spirit production is not thorough in filtering, wine residue separation is not thorough, later wine residue cleaning is not convenient, the use requirement cannot be met, and therefore the practicability of the wine residue separation device is reduced are solved. Comprising a separation box, the top of the separation box is provided with a threaded rod, the top of the threaded rod is provided with a rotating handle, the surface of the threaded rod is in threaded connection with a threaded sleeve, the bottom of the threaded sleeve is fixed to the top of the separation box, and the bottom of the threaded rod penetrates through an inner cavity of the separation box and is provided with an extrusion plate. Compared with an original separation device, the separation device has the advantages that filtration is thorough, incomplete separation of the wine residues cannot be affected, the wine residues can be conveniently cleaned in the later period, the use requirement can be met, and therefore the practicability of the wine residue separation device is improved.

The utility model discloses a plant fermentation liquor continuous filtering system which comprises a plurality of filtering barrels, two sides of each filtering barrel are respectively provided with a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe is arranged above the liquid outlet pipe, one side of the liquid inlet pipe is provided with a branch liquid conveying pipe and a main liquid conveying pipe, the main liquid conveying pipe is communicated with the branch liquid conveying pipe, and the main liquid conveying pipe is communicated with the branch liquid conveying pipe. The liquid inlet pipe is communicated with the main liquid conveying pipe through a branch liquid conveying pipe, a branch liquid outlet pipe and a collecting liquid outlet pipe are arranged on one side of the liquid outlet pipe, and valves are arranged at the positions of the liquid inlet pipe and the liquid outlet pipe. Through the arrangement of the branch liquid conveying pipes, the branch liquid outlet pipes and the valves, when filtering in the system goes wrong, only the corresponding valves need to be closed, then filtering is carried out on a certain filtering barrel independently, the production efficiency is guaranteed, through the arrangement of the filtering assemblies, multi-stage filtering of filtering liquid is achieved, and the filtering efficiency is improved. Meanwhile, the whole filter assembly is arranged on the barrel cover, so that the filter assembly is convenient to take out, replace and clean.