14 results about "Filter funnel" patented technology

The utility model discloses a water bath heating and filtering device which comprises a water bath filtering box, a filtering funnel is connected to the top of the water bath filtering box in an inserted mode, a fixing assembly is arranged between the filtering funnel and the water bath filtering box, and an electric heating pipe is fixedly installed in the water bath filtering box. And four supporting mounting columns are fixedly connected to the bottom of the water bath filter box. According to the utility model, water is added into the water bath filter box through the water inlet pipeline, the water level submerges the conical part of the filter funnel, and the three groups of electric heating pipes are started to heat the water in the water bath filter box; crude oil is poured into the filtering funnel, filtered through the filtering paper and then flows into the material receiving beaker to be collected, a worker observes the speed of the crude oil flowing into the material receiving beaker and judges the fluidity of the crude oil, and convenience is brought to follow-up mining.

The utility model provides a novel pressure relief filtering funnel device which comprises a funnel bowl and a funnel diameter communicated with the funnel bowl, and a groove is formed in the outer surface close to the joint of the funnel bowl and the funnel diameter. A funnel outlet at the bottom of the funnel diameter is an inclined opening, and the groove is positioned on the other side, opposite to the side where the tip point of the inclined opening is positioned, of the funnel device. According to the technical scheme, the problems that the laboratory glass funnel is low in filtering efficiency, and even filtrate cannot flow out smoothly are solved.

The utility model discloses a filter head for a chromatographic column, and belongs to the technical field of sample filtration. Comprising a shell, through holes are formed in the opposite sides of the shell in a penetrating mode, sliding grooves are formed in the opposite faces in the shell, sliding rods are slidably connected to the interiors of the sliding grooves, baffles are fixedly connected to the opposite faces of the sliding rods, the number of the baffles is three, every two adjacent baffles block the corresponding through hole, and mounting blocks are fixedly connected to the opposite sides of the baffles. According to the utility model, when the filter cone inside the shell is pushed out, the filter cone outside the shell is pushed into the shell, and at the moment, a sample can be continuously poured into the shell and filtered, so that the sample can be conveniently filtered, and the filter efficiency is greatly improved. When a sample is filtered, a worker can take the blocked filter screen out of the filter cone, so that the filter screen can be replaced more efficiently and conveniently, the downtime of the chromatograph is shortened, the sample filtering function can be recovered more quickly, and the sample filtering effect is improved.

1. Name of the product in this design: Filter funnel (splash-proof). 2. Purpose of this design: A funnel for pouring liquids. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to a light weight vacuum cup with integrated structure and filtering function, characterized in that it comprises a vacuum cup, a cup cover, a mounting ring, a thread, a filter screen, a fixing rod and an adjusting screw, etc. The top of the vacuum cup is provided with the cup cover, the inner side of the cup mouth of the vacuum cup is provided with the thread, the outer side of the mounting ring is provided with the thread, the vacuum cup and the mounting ring are fastened and matched through the thread, the vertical fixing rod is connected in the mounting ring, the adjusting screw is rotatably connected in the mounting ring, the filter screen is slidably connected in the mounting ring, one end of the filter screen is slidably connected with the fixing rod, and the other end is threadedly connected with the adjusting screw. The fixing rod and the adjusting screw are symmetrically arranged about the mounting ring. The thread fastening and matching of the mounting ring and the cup mouth of the vacuum cup replace the temporary clamping mode of the funnel and the cup mouth in the prior art, so that the filter assembly and the main body of the vacuum cup form a stable mechanical connection, thereby realizing reliable fixation of the filter assembly and achieving the purpose of preventing the filter funnel from accidentally falling off.

The invention discloses a particle mixing injection valve assembly, and relates to the technical field of liquid injection valve bodies. The lower end part of the spray pipe is communicated with a water source; a nozzle plate is arranged in the spray pipe; nozzles are uniformly distributed on the nozzle plate in the circumferential direction; a transmission hole is formed in the axis of the nozzle plate; a self-closing valve is arranged in the spray pipe at the lower part of the nozzle plate; first openings are uniformly formed in the upper part of the nozzle plate and the side wall of the spray pipe in the circumferential direction; the sleeve is positioned on the outer side of the spray pipe; a transmission rod is fixed at the axis of the top of the sleeve; the lower end of the transmission rod penetrates through the transmission hole to make contact with the top of a valve element of the self-closing valve. Second openings in one-to-one correspondence with the first openings are formed in the side wall of the sleeve; the inner bottom of the filtering funnel is flush with the second opening or is positioned below the second opening. The device integrates the functions of particle mixing, circulation and on-off conversion, and is simple to operate and exquisite in structure.

The present application relates to the technical field of solid-liquid separation in laboratory testing, and particularly relates to a sand core filter funnel aperture measuring method, a measuring device of a filter plate hole of a sand core filter funnel is connected, a titration tube is used to drop a layer of pure water film with a preset thickness on the filter plate of the sand core filter funnel; a gas pressure device is started to stably and slowly pressurize the filter bottle, the filter plate surface is observed from above, when the first bubble appears, the pressure value of the digital pressure device at this time is recorded, the pressure average value of n times of tests is calculated; when the bubbles uniformly appear on the filter plate surface, the pressure value of the digital pressure device at this time is recorded, the pressure average value of n times of tests is calculated, the maximum aperture and the average aperture of the filter plate are calculated; the uncertainty of the sand core filter funnel aperture measuring method is evaluated, the accuracy of the measurement is calculated and judged, the maximum aperture and the average aperture of the filter plate hole of the filter funnel can be measured, the accuracy of the measurement is judged, and the accuracy and reliability of the sand core filter funnel aperture measuring method are ensured.

The utility model relates to the technical field of filter funnels, and discloses an edge throwing child-mother filter funnel which comprises a mother funnel, a child funnel is placed in the mother funnel, a bottom opening of the mother funnel is fixedly connected with a fine filter screen, a first water pipe opening is formed in the side wall of the mother funnel, a plug pin is connected to the first water pipe opening in an inserted mode, and a second water pipe opening is formed in the side wall of the mother funnel. A bottom opening of the sub-funnel is fixedly connected with a coarse filter screen, and a second water pipe opening is formed in the side wall of the sub-funnel. According to the utility model, ground strip broken filaments are firstly filtered through the sub-funnel, and then residual relatively small glass fragments and foreign matters thereof are filtered through the main funnel, so that the glass fragments can be filtered, the problem of edge breakage of glass products caused by backflow of the glass fragments along with grinding water is solved, the scrap rate is reduced, the yield is improved, and the problem that the grinding water overflows to the ground can be solved; the product can be repeatedly cleaned and used, and the funnel can be conveniently and rapidly assembled and disassembled.

The utility model relates to the technical field of water quality monitoring, in particular to a water sample filtering mechanism for water quality monitoring, which comprises a base, a first support rod, a second support rod, a filter and a filtering funnel, the first supporting rod and the second supporting rod are symmetrically and vertically fixed to the upper portion of the base, the filter and the filtering funnel are sequentially arranged between the first supporting rod and the second supporting rod from top to bottom, one end of the filter and one end of the filtering funnel are hinged to the first supporting rod, and the other end of the filter and one end of the filtering funnel are detachably connected with the second supporting rod. And filter paper is arranged in the filter funnel. The filter and the filter funnel sequentially filter a water quality sample, one end of the filter and one end of the filter funnel are hinged to the first supporting rod, the other end of the filter and the other end of the filter funnel are detachably connected with the second supporting rod, the filter and the filter funnel can be rotated to the side, and impurities filtered out of the filter and the filter funnel can be conveniently collected; therefore, the water quality sample can be thoroughly filtered, and the filtering quality is effectively improved.

This invention relates to the field of ship design technology and discloses a clamping filter funnel for a vent, comprising: a funnel body, a top cover, an operating component, and at least a pair of positioning components. The funnel body has an upward-facing opening, a pair of positioning through holes on its side wall, and multiple sieve holes at its lower part. The funnel body is placed inside the upper end of a vent pipe through the vent opening. The top cover is fitted over the opening of the funnel body and has a connecting hole and a leakage hole that extend vertically. The operating component slides through the connecting hole, with a handle at one end protruding above the top cover and a locking part at the other end protruding below the top cover. An elastic element connects the locking part to the top cover. The positioning components slide through the positioning through holes, with one end of the positioning component inside the funnel body connected to the locking part and the other end having a locking element. This invention has a clamping function, preventing the funnel from dislodging and losing its function due to objective factors.

The invention discloses an up-drawing furnace cleaning device and a cleaning method thereof, and belongs to the technical field of copper smelting in the nonferrous metal industry. Comprising a tank body and a water cooling jacket / coil water return pipeline, a corrosion-resistant self-priming pump is installed on the side wall of the tank body, the interior of the tank body is divided into a cleaning fluid tank and a sewage tank through a vertical partition plate, a cover plate is arranged at the top of the tank body, a water inlet is formed in the cover plate and located above the sewage tank, and a filtering funnel is arranged at the water inlet. An outlet end of a water cooling jacket / coil water return pipeline 7 enters from a water inlet in the cover plate and is positioned in the filtering funnel, a water inlet of the corrosion-resistant self-priming pump is communicated with a cleaning liquid tank in the tank body through a cleaning liquid circulating pipeline, and a water outlet of the corrosion-resistant self-priming pump is respectively communicated with a water cooling jacket / coil interface and the circulating pipeline through a high-temperature-resistant hose and a three-way joint; and an outlet of the circulating pipeline is positioned in the cleaning liquid tank in the tank body. The maintenance time is shortened; the maintenance cost is reduced; equipment damage is avoided; the environmental protection property is improved; and the cleaning effect is guaranteed.

Thermal Filtration Funnel

The utility model provides a filter funnel which comprises a funnel part, a filter part, a lug part and a supporting part, and the funnel part is in a cone shape with a wide upper part and a narrow lower part; the filtering part is installed at the lower end of the hopper part, the filtering part is of a double-layer structure and comprises a first filter screen, a second filter screen and a protection ring, the first filter screen is located above the second filter screen, the second filter screen is used for supporting the first filter screen, the protection ring wraps the edges of the first filter screen and the second filter screen, the first filter screen is a dense filter screen, and the second filter screen is a coarse filter screen; the lug part is arranged on the outer wall of the upper end of the bucket part and is convenient for an operator to take; the supporting part is arranged on the outer wall of the lower end of the funnel part, so that the filtering funnel is conveniently erected on a liquid collecting appliance. A replacement part can be further arranged, the filtering part is installed on the replacement part, and the replacement part is detachably installed at the lower end of the hopper part, so that the filter screen is convenient to replace. The filtering funnel provided by the utility model is simple in structure, high in practicability and long in service life.

This utility model discloses a self-cleaning filter device for a large-diameter pressure-regulating valve assembly, relating to the field of pressure-regulating valve technology. The self-cleaning filter device for a large-diameter pressure-regulating valve assembly includes a valve body, a first flange pipe, and a second flange pipe. Both first and second flange pipes are welded to the valve body. A filter structure is located on the first flange pipe and includes a positioning ring, a mounting ring, a filter funnel, and a discharge bend. The positioning ring is fixedly connected inside the first flange pipe. Through the filter funnel, intercepted impurities enter the discharge bend under the impact of water flow, preventing impurities from accumulating in the filter funnel and affecting the filtration effect. This allows impurities to be guided inside the filter funnel, achieving the self-cleaning function of the filter structure and reducing the frequency and workload of manual cleaning. Simultaneously, the anti-overflow mesh funnel prevents impurities from re-entering the filter funnel under fluid disturbance, ensuring that the filtration effect of the filter funnel is not affected and guaranteeing the continuous and effective operation of the filter structure.