31results about How to "Guaranteed filter function" patented technology

What is specified is a backflushing filter (1, 101) having an inlet (2), an outlet (4) and a drain (10), having a filter (6, 106), having a housing (7) that is divided by the filter (6, 106) into an inlet chamber (8) connected to the inlet (2) and into an outlet chamber (9) connected to the outlet (4), and having a backflushing device (12) which has an aspiration element (13, 113), arranged so asto be able to rotate on the inlet side of the housing (7) around the filter (6, 106), with at least one suction opening (14) that is oriented in the suction direction (15) towards the filter (6, 106)for the purpose of cleaning the filter, and also a backflushing duct (16) connected to the suction opening (14) and the outlet (4), and a rotating device (17) that drives the rotational movement of the aspiration element (13, 113) about the filter (6, 106) when there is a drop in pressure in the backflushing duct (16). This produces a backflushing filter which is easy to handle and easy to maintain and in which, when there is a drop in pressure in the backflushing duct (16), the rotating device (17) drives the rotational movement of the aspiration element (13, 113) as a result of the suction direction (15) of the suction opening (14) that is inclined with respect to the radial direction (19) of the aspiration element (13, 113).

The invention discloses a ceramic dust removal device, which comprises a tank body, a filtering mechanism and a pneumatic spraying mechanism. The filtering mechanism is arranged in the inner cavity of the tank, and divides the inner cavity of the tank into a first cavity and a second cavity; the pneumatic spray device includes a pneumatic component and a spray component. Wherein, the pneumatic component includes a pneumatic port, an elastic membrane, an elastic piece, and a conducting rod; the spray component includes a water inlet, a spray pipe, and a quick-cut valve. In the ceramic dust removal device of this structure, the filter mechanism is sealed with the inner wall of the tank, there is no gap, and the dust removal efficiency is high; through the pneumatic component linkage with the spray component, the dust or glaze on the filter mechanism is automatically removed to achieve continuous operation and equipment utilization. High production capacity; and according to the deposition degree of dust or glaze on the filter mechanism and the adsorption degree of the filter mechanism to dust or glaze, the opening of the quick-cut valve and the spraying timing are controlled in real time, saving spraying liquid and reducing Dust removal costs.

This invention discloses a method for guaranteeing data safety of two layer Ether net exchange in MAN transmission devices including: setting up a message filter list to filter the messages received by the exchange, setting up a route list to forward the filtered messages based on the route list, which can prevent the attack of network end to increase the data safety in the MAN transmission device.

The invention relates to an underground coal mining device, which comprises a coal shearer, a rocker arm of the coal shearer is fixedly connected to a dust removal hood, and the dust removal hood comprises four side surfaces: an upper side, a lower side, a left side and a right side; The upper dust removal board is provided with atomizing nozzles, the lower side is provided with a lower baffle, the lower baffle is provided with a lower atomizing nozzle, the left and right side panels are provided with left and right baffles, and the inner sides of the left and right baffles are provided with dust removal ports. The outer side of the baffle is slidingly connected to the left and right dust removal boards, and the left and right dust removal boards are equipped with atomizing nozzles. The PLC control system receives the monitoring signals of the temperature sensor, gas concentration sensor, pressure sensor and dust concentration sensor, and compares them with the set value to control the LED light. With changing the display state to transmit the current state of each signal, the invention combines water spraying and dust removal with adsorption and dust removal, and the dust removal effect is good. At the same time, the safety value and threshold value are set, and the direction with hidden dangers can be checked in time to better solve the mine safety problem. , to improve the safety of underground coal mining.

The invention relates to a yeast production and preparation process, which uses a yeast production and preparation device, the yeast production and preparation device includes a supernatant mechanism and a lower cleaning mechanism, and the lower end of the supernatant mechanism is installed on the existing working On the ground, the lower right side of the supernatant mechanism is provided with a lower clearing mechanism, and the lower end of the lower clearing mechanism is installed on the existing working ground. The cooperation with the lower clearing mechanism can carry out double filtration treatment on the milk, thereby greatly improving the filtration effect of the yeast emulsion to reduce the impact on the subsequent use and reprocessing of the yeast, and at the same time, the lower clearing mechanism can simultaneously play a role in synchronous feeding At the same time, the emulsion and the supernatant mechanism can be in a state of motion, which can increase the floating amount of light impurities on the liquid surface, thereby improving the effect of filtering and removing light impurities.

The invention discloses a sorting device of brake pad steel backings. The sorting device comprises a supporting platform, a rotary supporting drive mechanism, a rotary barrel, a steel backing chute and an arc steel backing protection plate. The rotary supporting drive mechanism comprises rotary supporting legs and a rotary drive motor. A strip groove perpendicular to the side wall of the rotary barrel is arranged on the inner side wall of the rotary barrel. The front end and the rear end of the rotary barrel are erected on the supporting platform through the two correspondingly rotary supporting legs. The steel backing chute is obliquely sleeved in the rotary barrel. A filter opening is arranged at the rear end of the steel backing chute. The arc steel backing protection plate is arrangedon one side of the position over the front end of the steel backing chute. The strip groove drives the steel backings into the steel backing chute through rotation of the rotary barrel. The steel backings are filtered through the filter opening in the steel backing chute, the steel backings meeting the ranking requirement further pass through the steel backing chute to enter the next machining procedure of the steel backings, and therefore automatic orientated ranking of the steel backings can be achieved, and the machining efficiency of the steel backings can be improved easily.

The invention discloses a cleaning system and a cleaning method of developing solution circulation process equipment. The cleaning system of the developing solution circulation process equipment comprises a developing tank, a concentration tank, a circulation power pump and a microfiltration film pipe fitting adopting cross filtration, wherein the developing tank is connected to the concentrationtank; the concentration tank is connected to the circulation power pump; the circulation power pump is connected to one end of the microfiltration film pipe fitting through the water outlet pipeline of the pump; the other end of the microfiltration film pipe fitting is connected to the concentration tank through a strong water return pipeline; and the microfiltration film pipe fitting is connected to the developing tank through a filter liquor return pipeline. Particularly, a back washing device, a medicine washing device and a water washing device are fully designed in the cleaning system for the cleaning of the microfiltration film pipe fitting, so as to prevent a microfiltration film from being blocked and maintain the optimum filtration function of the microfiltration film pipe fitting; and meanwhile, a film pipe protecting device is further arranged in the cleaning system, whether the microfiltration film pipe fitting needs cleaning is judged by a controller, and the corresponding cleaning mode is selected through the controller, so as to control the start-up of different cleaning devices.

The invention discloses a mixer applicable to the 3D (three-dimensional) formation of large complex geological models, which comprises a mixing assembly, a feed assembly, a water supply assembly, an analogue material storage and weighing assembly, an additive storage and weighing assembly, a dust collection assembly, a filter assembly, and a discharge assembly; the feed assembly supplies an analogue material into the mixing assembly via the analogue material storage and weighing assembly, the water supply assembly is used for supplying clean water into the mixing assembly, the additive storageand weighing assembly is used for supplying additives into the mixing assembly, the dust collection assembly is used for removing floating dust produced in the preparation of the analogue material, the filter assembly is used for removing particles with grain sizes exceeding the standard in the analogue material, and the discharge assembly is used for supplying the mixed analogue material into aprinting head of a 3D forming machine. Since the mixer adopts an overall sealing design and has a dust-removing function, floating dust is prevented from being produced in the process of mixing; feeding and mixing are fully automatic; and in the process of mixing the analogue material, the mixer has a filtering function, so that particles with grain sizes exceeding the standard can be removed fromthe analogue material to prevent the printing head from being blocked.

The invention discloses an improved cross flow filtering device and a filtering assembly used for the same to optimize the mounting sealing performance of the filtering assembly in the cross flow filtering device. The cross flow filtering device comprises a shell and a filtering assembly positioned in the shell, wherein an annular shoulder positioned above an upper pore plate in the shell is arranged on the peripheral wall of an upper end connector of the filtering assembly; an annular sealing element is arranged between a step surface of the bottom of the annular shoulder and the top surface of the upper pore plate; and a pressing mechanism, which presses a step surface at the top of the annular shoulder downwards to ensure that the step surface of the bottom of the annular shoulder squeezes the annular sealing element downwards, is arranged at the top surface of the upper pore plate. The mounting manner of the filtering assembly ensures axial positioning of the filtering assembly, and by combining with the annular sealing component which is arranged between the step surface of the bottom of the annular shoulder and the top surface of the upper pore plate and is deformed by virtue of axial extrusion, the sealing reliability is greatly improved.