62results about How to "Does not affect continuous operation" patented technology

The invention relates to a product filtering system for a three-phase slurry bed reactor. The product filtering system comprises an intra-reactor filter, an extra-reactor filter group, back-flushing fluid buffering tank group, a purified product buffering tank and a control system, wherein the intra-reactor filter comprises multiple groups of liquid-solid filtering and separating assemblies, and the intra-reactor filter is a coarse filter; the extra-reactor filter group comprises 2-3 extra-reactor filters, and each extra-reactor filter is a fine filter; and the control system controls the opening and closing of a flow control valve, an outlet control valve, a first valve and a second valve. According to the invention, by adoption of the combination of intra-reactor filtering and extra-reactor filtering, while a liquid product is coarsely filtered and extracted when passing through the intra-reactor filter to retain undamaged catalysts in the system, the liquid product entraining a small amount of damaged granule catalysts is further filtered and purified by the fine filters outside the system, thus, the problems in the prior art are avoided, the continuous online operation and online cleaning can be realized, and economy and high efficiency are achieved.

The invention provides a cloth accumulator with self tension, which is provided with upper rollers and lower rollers reversely. The cloth moves in a Z-shaped way alternately on the upper and the lower rollers. The cloth accumulator with self tension is characterized in that: a transmission mechanism is arranged in a cloth storage box in rectangular frame shape; the top frame and the bottom frame of the rectangular frame are provided with a top rob and a bottom rob that are provided with sprocket wheels respectively; an annular gearing chain which forms the chain and sprocket transmission mechanism with the sprocket wheels which are positioned at the corresponding positions of the ends of the top and the bottom robs is arranged on the frames at the two sides of the rectangular frame. An upper roller shelf and a lower roller shelf are hung and arranged at the different sides of the annular gearing chain to form reverse movement between the upper roller shelf and lower roller shelf. The invention can solve not only the problem of tension in the consecutive production process of the cloth, but also the constriction problem of the textiles in production, thus improving the cloth accumulating speed and simplifying the operation process.

The embodiment of the invention provides a filter screen replacing device and relates to air filtering techniques. By the adoption of the filter screen replacing device, replacement of a filter screen can be completed automatically, and manpower resources and material resources are saved. The filter screen replacing device comprises a bearing piece. The bearing piece is of a sealed hollow columnar structure. A draught fan is arranged in the bearing piece. A first opening and a second opening are formed in the side wall of the bearing piece. The first opening is covered with a first filter screen. The second opening is covered with a second filter screen. The first filter screen is located on the air inlet side of the draught fan. The second filter screen is located on the air outlet side of the draught fan. First air inlets are formed in the side wall of the air inlet side and the side wall of the air outlet side correspondingly. A dust cover is arranged on the outer side of the first filter screen. The dust cover is provided with a sealing part, and the sealing part is in rotary sealing with the side wall. The filter screen replacing device further comprises a first driving part. The first driving part can drive the bearing piece to rotate around the central axis of the bearing piece by a preset angle, so that the first filter screen is made to rotate to the original position of the second filter screen. The filter screen replacing device is used for filtration of the draught fan.

The invention discloses a device, method and application for extracting uranium from uranium-containing wastewater or seawater, and the device for extracting the uranium comprises a photo-anode, a cathode reaction piece and a photocatalytic light source. The photo-anode comprises an anode reaction piece and a photocatalyst layer arranged on the surface of the anode reaction piece. The cathode reaction piece is connected with the anode reaction piece through a wire. The photocatalytic light source adopts ultraviolet light, visible light or infrared light. When a photocatalytic fuel cell is usedfor extracting the uranium from the uranium-containing wastewater and seawater, an external power source is not needed, a proton exchange membrane and an oxide inhibitor do not need to be added, meanwhile, inert gas atmosphere protection is not needed, and operation can be conducted in the air atmosphere. Hexavalent uranyl ions in the wastewater and seawater can be efficiently reduced into tetravalent uranium which is low in toxicity and almost insoluble in water, the tetravalent uranium is gathered onto a cathode, uranium is desorbed from the surface of a photocatalyst without acid picklingor air purging reoxidation, uranium can be efficiently recycled by regularly replacing a cathode material, uranium reduction products are easy and convenient to collect, and continuous operation of asystem is not influenced.

The invention provides continuous stacking equipment for storage battery grids. The continuous stacking equipment comprises a rack, and a piece inlet mechanism, a vacuum delivery mechanism, a drive mechanism, a waste piece recycling mechanism, a piece-falling guide mechanism, a piece receiving mechanism and a stack delivery mechanism which are fixed on the rack; the piece inlet mechanism and the vacuum delivery mechanism are both in drive joint with the drive mechanism; the vacuum delivery mechanism and the piece inlet mechanism are partially overlapped in the horizontal direction and are spaced in the vertical direction; the waste piece recycling mechanism, the piece-falling guide mechanism and the piece receiving mechanism are fixed right below the vacuum delivery mechanism, and the transmission direction of the waste piece recycling mechanism and the stack delivery mechanism is vertical to that of the piece inlet mechanism and the vacuum delivery mechanism. The continuous stacking equipment is compact in structure and easy to operate, double pieces of grids moving in parallel can be piled into a grid stack with a certain number without influencing the continuous operation of a whole production line, meanwhile the formed grid stack can be convenient to transfer by special equipment or personnel, and the production efficiency is improved.

The invention discloses a weighing and counting method and device. The method comprises the following steps that: on a weighing instrument, parameters are set; the weighing instrument marks current total weight on a weighing platform as total weight T before loading, and a total number N on the weighing platform is marked as zero; a pile division mechanism continuously collects a small pile of products from a production conveyor belt, and moves the small pile of products to the weighing platform, and the weighing instrument takes a stabilized weighing value as current total weight G, wherein the amount of one piece of material collection time t length of the small pile of products is small than or equal to SM; the weighing instruction calculates (G-T) / m, and M is accumulated into the totalnumber N; the weighing instruction carries out judgment; and the weighing instruction outputs a warning instruction. The weighing and counting device uses the weighing platform and the weighing instruction to form weighing instrument, the pile division mechanism is electrically connected with the weighing instruction, bears a plurality of products unloaded from the production conveyor belt in certain time, and is controlled by the weighing instruction to convey the plurality of borne products to the weighing platform.

The invention relates to a UPS duplicate supply automatic maintenance control device, wherein, the input end of the UPS is respectively connected with a circuit A and a circuit B of the commercial power, belonging to different phases; a discharge relay is connected with the circuit A through a time control switch, a circuit A relay is connected into the circuit A through a normal opening contact of a guide relay; the normal close contacts of the circuit A relay are connected in series and then connected with the input end of the circuit B, a circuit B relay is connected between the series connected points; the circuit A is connected with the input end of the UPS after the circuit B relay is connected with the normal close contacts of the discharge relay in series; a direct relay is connected with the output end of the UPS, the output end of the UPS is used as the output end of the whole power supply through the normal opening contacts of the direct relay, the circuit B is connected with the output end of the whole power supply through the normal closing contacts of the direct relay. The input end of the UPS and the output end of the whole power supply are respectively connected with a lightning proof circuit and a wave proof circuit. The UPS duplicate supply automatic maintenance control device is applicable to medical equipment, medium and small web server, etc. which need the UPS to supply power, achieves duplicate supply, more ensures the power supply, avoids the interference factors such as lightning, wave and others, and the storage battery of the UPS can automatically charge and discharge, thus the service life of the battery can be effectively prolonged.

The invention discloses a partial conversion system for carbonic oxide and a process control method thereof. The system comprises a converted gas-liquid separator, two pre-converting furnaces which are connected in parallel, a converting furnace, a purified gas heater, a feed gas heater and an auxiliary feed gas heater. The process control method of partial conversion of carbonic oxide comprises the following steps: (1) diversion of the feed gas which is separated by the converted gas-liquid separator; (2) removal of carbon dust in the pre-converting furnaces; (3) diversion and heat exchange of feed gas to complete partial conversion of carbonic oxide; and (4) diversion of gas after mixing. The system and the method have the following advantages: maintenance of the feed gas heater can be completed on line, thus the continuous operation of the device is not affected; at the later stage of the operation of converting catalyst, the inlet gas temperature of the converting furnace can be increased by virtue of the auxiliary feed gas heater, thus the long-period steady operation of the device can be realized.

The invention discloses a partial conversion system for carbonic oxide and a process control method thereof. The system comprises a converted gas-liquid separator, two pre-converting furnaces which are connected in parallel, a converting furnace, a purified gas heater, a feed gas heater and an auxiliary feed gas heater. The process control method of partial conversion of carbonic oxide comprises the following steps: (1) diversion of the feed gas which is separated by the converted gas-liquid separator; (2) removal of carbon dust in the pre-converting furnaces; (3) diversion and heat exchange of feed gas to complete partial conversion of carbonic oxide; and (4) diversion of gas after mixing. The system and the method have the following advantages: maintenance of the feed gas heater can be completed on line, thus the continuous operation of the device is not affected; at the later stage of the operation of converting catalyst, the inlet gas temperature of the converting furnace can be increased by virtue of the auxiliary feed gas heater, thus the long-period steady operation of the device can be realized.

The invention discloses a purifying device for paint spraying organic waste gas. The purifying device comprises a paint mist removing device, an oil stain filter, a cooler, a fan, a purifying tank, a condenser and an oil-water separator connected in sequence, wherein the paint mist removing device comprises a paper filter, a cyclone dust collector and a bag-type dust collector; the inlet of the paper filter is connected with an organic solvent waste gas pipe of a paint room; the outlet of the paper filter is connected with the inlet of the cyclone dust collector; the outlet of the cyclone dust collector is connected with the inlet of the bag-type dust collector; and the outlet of the bag-type dust collector is connected the oil stain filter. Due to the adoption of the device, the paint mist removing capability is greatly improved, active carbon is prevented from being polluted, and the recovering purity of an organic solvent is increased simultaneously. The invention further discloses a method for recovering an organic solvent by using the purifying device. The method comprises the following steps of: removing paint mist and oil stains; cooling and absorbing organic solvent waste gas; desorbing with water steam; condensing; and separating oil and water, wherein in the step for removing the paint mist, paint mist is effectively removed after being turned into paint powder; and the process of the method is reasonable, and contributes to saving energy and labor sources.

The invention discloses a pesticide spraying device for pest control, which comprises a vehicle-mounted chassis, a pesticide storage mechanism and a pair of pressurized spraying mechanisms. The pesticide storage mechanism is mounted on the vehicle-mounted chassis, and the pair of pressurized spraying mechanisms are mounted at the tail end of the vehicle-mounted chassis and connected with the pesticide storage mechanism. A height adjusting spraying mechanism is connected between the tail end of the vehicle-mounted chassis and the pair of pressurizing spraying mechanisms. The pesticide spraying device for pest control has the beneficial effects that the pesticide spraying device for pest control is simple in structure and convenient to operate, a storage device capable of mixing pesticides is arranged, the storage mechanism is used for pressing the pesticides into the pressurized spraying mechanisms, then the pressurized spraying mechanisms are used for extracting the pesticides out of the storage mechanism, and therefore the pesticides are introduced into the height adjusting spraying mechanism. The height of the pesticide spraying position is changed by utilizing the spraying mechanism with the adjustable height, so that the pesticide spraying area and the regional concentration are changed, and the continuous operation of pesticide spraying is not influenced.

The invention discloses a self-cleaning material distribution box for a wood powder fuel boiler, which comprises a box body whose left side wall is connected to a dust collection main pipe, and a screen with a front obliquely facing the dust suction main pipe is arranged in the box body, and the screen screen is The lower end is connected with a partition, and there is a gap between the partition and the inner wall of the box below the dust collection main pipe as a wood chip passage, and the wood chip passage is connected to the return at the top of the box through a pipeline provided with a mill and a hoist in turn. Material outlet, the bottom of the box below the screen is provided with a hopper, the right side wall of the box is provided with a blowing pipe connected to the air outlet of the blower, the mouth of the blowing pipe faces the back of the screen, and the blowing pipe The mouth of the nozzle is also sealed and connected with an iron cover plate, the top of the cover plate is connected to the upper edge of the nozzle of the blowing pipe through hinge rotation, and the lower edge of the nozzle of the blowing pipe is fixedly equipped with a magnet for absorbing the lower part of the cover plate. Intermittent automatic cleaning does not require labor for cleaning, which effectively reduces labor intensity and does not affect the continuous operation of the equipment.