32results about How to "Improve oil filtration effect" patented technology

An oil filter device comprises a framework and an oil filter assembly arranged on the framework, and is characterized in that the framework is provided with a condensing liquid influx and a condensing liquid outflux; a first pipeline provided for a condensing liquid to flow through is formed inside the framework; the oil filter assembly is provided with a second pipeline provided for the condensing liquid to flow through and communicated with the first pipeline; and the first pipeline and the second pipeline together constitute a connecting channel between the condensing liquid influx and the condensing liquid outflux. The invention also discloses a range hood applying the oil filter device. The oil filter device and the range hood have the advantages that the condensing liquid produced from a condensing unit flows in through the condensing liquid influx, flows through the first pipeline and the second pipeline and then flows out from the condensing liquid outflux, the temperature of the oil filter assembly can be lowered to 0 DEG C or less, cooking fumes are rapidly condensed into oil droplets on the surface of the oil filter assembly when passing through the oil filter assembly, and thus the oil filtering effect is improved; and when the range hood adopting the oil filter device works, the cooking fume emissions are significantly reduced, and the cooking fume sucking effect is significantly improved.

The invention discloses a novel oil filter comprising a casing and a filter core arranged in the casing. The filter core comprises a framework and a filter screen sleeved on the framework. The novel oil filter is characterized in that one end of the filter screen is connected with a threaded joint, and the other end of the filter screen is connected with a U-shaped sheet joint. The novel oil filter has the advantages of simple structure, convenience in maintenance and easiness in cleaning.

The invention discloses a method for preparing an air filter material. The method comprises the following steps: preparation of a filter substrate, preparation of a filter film, and preparation of theair filter material. Polytetrafluoroethylene added to the air filter material enhances the tensile strength and the acid and alkali resistance of the filter film, so it is ensured that the filter film has a good oil filter performance and good mechanical properties and can adapt to air filtration in different environments including oil, acid or alkaline gases; the addition of polypropylene fibersand silica improves the oil filtration performance; the filter substrate and the filter film are quickly integrated by a filter material integration device to improve the production efficiency, so the adhesion of the filter substrate and the filter film is ensured; and activated carbon is compacted by a pressing plate to make the activated carbon sufficiently adhered to the surface of the air filter material, so the absorption capacity of the air filter material against toxic gases and other gases harmful to the human body is enhanced.

The invention discloses an environment-friendly collection and treatment device of kitchen swill. The environment-friendly collection and treatment device comprises a housing, an oil storage tank, a partition and a filter pipe, wherein a swill inlet pipe is fixedly arranged on the upper surface of the housing; the filter pipe is fixed at the upper end in the housing; the swill inlet pipe is communicated with the filter pipe; arc plates are fixed in the filter pipe; the two ends of the bottom of the filter pipe are rotationally connected with two baffles through torsional springs respectively;a side baffle is welded to one end, close to the bottom, of the filter pipe; fixing blocks are fixed at the two ends in the side baffle; a filter drawer cage is fixed at the tops of the two fixing blocks; a convex filter screen is fixed in the filter drawer cage; a handle is fixed at one end of the filter drawer cage; the partition is mounted below the side baffle; connecting pipes are welded at the two ends of the partition; an oil filter outer pipe is welded to the lower surface in the housing. The device has the advantages that the device can centrally collect solid waste, does not need tobe cleaned frequently and saves time and labor.

The invention discloses a range hood. The range hood comprises an range hood body, a draught fan and a control circuit board are arranged in the range hood body, an oil fume suction port is formed inthe range hood body, an oil filtering barrier is arranged on the oil fume suction port and comprises a frame and parallel oil filtering barrier plates arranged in the frame, the frame is in communication with the oil filtering barrier plates in a hollow mode, cooling water is arranged in the frame and the oil filtering barrier plates, at least one side of the oil filtering barrier plate is provided with an opening, an elastic rubber sheet is arranged on the opening, movable plugs are arranged on the two opposite sides of the frame, a tension spring is arranged between the movable plugs, firstinclined faces are arranged on the side faces of the movable plugs, electric push rods are arranged on the machine body, the telescopic ends of the electric push rods are connected with a hollow oil fume suction ring, oil fume suction holes are formed in the inner side ring face of the oil fume suction ring, and oil fume suction pipelines are arranged between the oil fume suction ring and the machine body. According to the range hood, the oil fume suction ring can be lifted as required, an original oil fume suction port can be automatically opened and closed in the lifting process, and the oilfiltering effect of the oil filtering barrier is better.

The invention discloses a lampblack filter with a primary filter function, and belongs to the field of lampblack purifying devices. The lampblack filter comprises an air box; an air sucking port and an intake port are arranged on the top wall and the side wall of the air box; a first oil filter frame and a second oil filter frame, buckled with each other, are arranged in the intake port; multiplefirst guide plates bent into the air box are arranged on opposite side walls of the first oil filter frame and the second oil filter frame in parallel; two ends of the first guide plates are connectedwith second guide plates inwards bent; and the first guide plates and the second guide plates on the first oil filter frame are staggered from the first guide plates and the second guide plates on the second oil filter frame to form zigzag lampblack channels. The lampblack filter achieves the following effects: as oil drops in lampblack can be stopped, the oil drops are not easy to directly enterthe filter.

A multi-stage filter device for a range hood, characterized in that it includes an oil filter plate, the oil filter plate has a U-shaped oil filter groove formed by indenting toward the same side of the oil filter plate, and the U-shaped filter plate The oil grooves are parallel to each other and distributed at intervals in turn. On the two opposite side walls of the U-shaped oil filter groove, there are respectively a first oil filter hole and a second oil filter hole. The first oil filter hole and the second oil filter hole are both Distributed at intervals along the length direction of the U-shaped oil filter groove and staggered from each other. The present invention has the advantages that: because the U-shaped oil filter grooves of the oil filter plate of the multi-stage filter device are parallel to each other and distributed in intervals in sequence, and the first oil filter hole and the second oil filter hole on the two opposite side walls of the U-shaped oil filter groove They are distributed at intervals along the length direction of the U-shaped oil filter groove and staggered from each other. Therefore, the oil fume entering the U-shaped oil filter groove can pass through the first oil filter hole and the inner surface of the oil filter groove while colliding with the inner surface of the oil filter groove. The side walls collide, thereby further improving the oil filtering effect.

The invention discloses an openable and closable oil filtering barrier and a range hood with the same. The openable and closable oil filtering barrier is of a water cooling structure, the oil filtering effect is effectively improved, the oil filtering barrier can be controlled to be opened and closed, the range hood can suck oil fume in the same mode as a traditional range hood, an oil fume suction ring can extend out, the range hood sucks oil fume at a position closer to the oil fume generation position, does not influence the cooking sight and cause collision, can improve the oil fume suction efficiency, reduce the fan power and save energy, can be used for cooking for generating a large amount of oil fume, and can also be used for cooking for generating a small amount of oil fume; and an original oil fume suction port can be automatically opened and closed in the lifting process of the oil fume suction ring, and the oil filtering effect of the oil fume suction port is better.

The invention discloses a conveying structure for steel ball oil filtering and an oil filtering method of the conveying structure. The conveying structure is composed of a supporting rod and an oil filtering mechanism. wherein the supporting rod is provided with an oil filtering mechanism, the oil filtering mechanism is provided with an oil sticking layer and oil guide suspensions, the oil sticking layer is connected with the supporting rod to support a conveyed steel ball, the top surfaces of the oil guide suspensions are connected with the oil sticking layer, and the oil guide suspensions are arranged at intervals in the length direction of the supporting rod. According to the oil filtering method, supporting rods of the conveying structure are arranged in parallel at intervals, steel balls at one ends of the supporting rods are conveyed in a rolling mode on the upper sides of the supporting rod intervals, and the supporting rods are obliquely arranged in a high-end and low-end mode, so that the steel balls can roll to the bottom ends from the top ends of the supporting rods under the gravity effect, and oil filtering is completed in the rolling process. According to the invention, the oil adsorbed by the oil sticking layer can be blocked, and oil is prevented from being guided from the top to the bottom of the supporting rod, so that the oil on the oil sticking layer is guided in time, and the oil filtering effect of the oil sticking layer is improved.

The invention discloses a range hood and a control method thereof. The range hood comprises a fume collecting hood, a draught fan frame arranged above the fume collecting hood and a draught fan system arranged in the draught fan frame, wherein an air inlet is formed in the fume collecting hood; a fume guide plate assembly is arranged below the air inlet, and the fume guide plate assembly comprises a main fume guide plate located in the middle; the range hood is characterized in that a movable filter screen is arranged below the draught fan system in the draught fan frame, and the movable filter screen can rotate around an axis extending front and back so as to face a left channel or a right channel in the draught fan frame; and the fume guide plate assembly further comprises a first auxiliary fume guide plate located at the left side of the main fume guide plate and a second auxiliary fume guide plate located at the right side of the main fume guide plate, and the first auxiliary fume guide plate and the second auxiliary fume guide plate can rotate around the axis extending front and back.

The invention discloses a workpiece oil immersion device and relates to the field of rust prevention. The workpiece oil immersion device comprises a suspension beam, a motor, a first chain wheel and second chain wheels. The motor is arranged on the suspension beam. The first chain wheel is arranged on the motor. Suspension rods, first positioning rods, the second chain wheels and second positioning rods are sequentially arranged towards the two sides from the motor on the suspension beam. The suspension rods are hinged to the suspension beam, and the suspension rods are provided with sliding grooves and hooks. Sliding shafts are arranged in the sliding grooves, and the hooks are arranged on the lower sides of the suspension rods. The second chain wheels are coaxially fixedly provided withgears, racks are engaged with the lower sides of the gears, and the racks are rotationally connected with the sliding shafts. The second chain wheels are fixedly provided with fan blades. The first chain wheel is engaged with a chain, and the chain is engaged with the second chain wheels. The two ends of the chain are fixedly connected with oil barrels, oil holes are formed in the lower sides of the oil barrels, and the oil holes communicate with each other through a hose. Net pockets are arranged in the oil barrels, rope sleeves are arranged at opening portions of the net pockets, the rope sleeves are arranged outside the oil barrels, and the rope sleeves can be hooked by the hooks. By means of the workpiece oil immersion device, air can be blown towards the interiors of the oil barrels for accelerating oil filtering, the efficiency is improved, the net pockets are hooked out of the barrels automatically after oil filtering is over, the structure is simple, and operation is simplified.