60results about How to "Avoid being blocked" patented technology

The invention discloses a cyclone dust collecting device of a dust collector, comprising a primary cyclone separator, a secondary cyclone separator, a primary dust collecting barrel and a secondary dust collecting barrel, wherein the primary cyclone separator and the secondary cyclone separator are connected in series; the primary dust collecting barrel and the secondary collecting barrel are respectively connected with the first dust outlet and the second dust outlet of the primary and the secondary cyclone separator; the secondary dust collecting barrel is arranged in the primary dust collecting barrel and is provided with a detachable bottom cover at the bottom part thereof; when the dust collector works, the bottom cover and the barrel body are actuated to store dust, when the dust collector is free of work, the bottom cover and the barrel body are separated to lead the dust to fall into the primary dust collecting barrel. In the cyclone dust collecting device of dust collector provided by the invention, the secondary dust collecting barrel can automatically dump dust to the primary dust collecting barrel, thus facilitating cleaning of users and simplifying cleaning operation for users; as the installation of the primary cyclone separator and the cyclone secondary separator which are connected in series, gas containing dust can be fully filtered, thus greatly improving dust collecting efficiency and effect of the dust collector.

The invention discloses a method of adopting a proxy IP to crawl website data, a storage medium and a server, which are used for solving the problem that proxy IPs are liable to be blocked when website data are crawled. The method provided by the invention includes: determining a target website of to-be-crawled data; determining an IP class, which is suitable for use in the target website, according to attribute information of the target website, wherein attribute information of websites in which preset IP classes are respectively suitable for use is preset for all the preset IP classes; screening out all proxy IPs, which belong to the determined IP class, from an IP address pool, wherein the IP address pool includes multiple proxy IPs which are pre-collected and pre-classified and are mutually different; selecting the one proxy IP from all the screened-out proxy IPs; and adopting the selected proxy IP to access the target website, and executing a current data crawling task.

The invention provides an anti-blocking plane gate. The anti-blocking plane gate effectively solves the problem that an existing gate does not have a filtering effect, is easy to block and cleans debris difficultly; the anti-blocking plane gate comprises a U-shaped frame body, wherein a supporting plate is fixed above the frame body, the frame body is internally slidably connected with a baffle located at the front side of the frame body and capable of moving vertically, the frame body is internally provided with a filter plate located behind the baffle and capable of sliding in the frame bodyfront and rear, the rear side of the frame body is fixedly provided with a supporting frame placed left and right, the rear end face of the filter plate is fixedly connected with the supporting framethrough a plurality of first springs, the bottom of the frame body is provided with a groove in the left-right direction and located below the filter plate, the bottom of the groove is connected witha scraper plate capable moving vertically through a plurality of second springs, and the left and right sides of the frame body are provided with cleaning grooves respectively. The anti-blocking plane gate has the advantages that the filter plate is arranged in the frame body to filter out the debris in water to prevent the debris from adversely affecting crops; the scraper plate capable moving vertically is arranged to scrape the debris adhering to the filter plate, thereby preventing the filter plate from being blocked, providing convenience for cleaning the debris and improving the water filtration efficiency.

The invention relates to a communication method and device and electronic equipment. The method comprises the following steps: acquiring a domain name request through an operating system; performing decryption processing on the domain name request by adopting a preset decryption mode; when decryption is successful, determining the domain name request as a target domain name request, wherein the target domain name request carries target message information, and the target message corresponding to the target message information is used for indicating the operating system to execute a target operation; obtaining the target message information based on the result of decryption processing; and executing the target operation according to the target message corresponding to the target message information. According to the technical scheme, the functions of the operating system can be enhanced, and the user experience of the terminal equipment can be improved. In addition, due to the fact thatthe target domain name request is generated according to the encrypted target message information, the target domain name request can be prevented from being intercepted, and the success rate of communication is ensured.

The invention relates to a sludge homogeneous slurrying and thermal hydrolysis reaction integrated device which comprises a tank body, a plurality of steam ports arranged on the tank body, and a first stirrer and a second stirrer which are arranged in the tank body; by arranging the plurality of steam ports on the tank body, the steam ports are used for introducing steam into the tank body, and thus a certain temperature and pressure are formed in the tank body; moreover, by rotation of the first stirrer and the second stirrer, a sludge material is subjected to rapid and uniform heat and mass transfer, same-speed or differential-speed stirring, same-direction or reverse-direction stirring and various combined stirring ways can be achieved, and shearing, wall scraping and other functions are achieved; in addition, with combination of a steady flow force of the steam, the sludge material is easy to turn over and / or easy to roll over in the tank body, and besides, under the action of the double stirrers, no dead corner exists, and the uniformity of slurrying and thermal hydrolysis reaction are further promoted.

The invention provides an environment-friendly air purifying device which comprises an outer shell and an inner shell, wherein a hollow air cylinder penetrating through an inner shell wall is arrangedin a first empty cavity; an outer shell air inlet is arranged on an outer shell wall, and an outer shell air outlet is arranged at the upper end of the outer shell; a piston is arranged in the air cylinder in a sliding mode, a pm10 filter screen is arranged on the outer side of an air cylinder air inlet, and a pm2.5 filter screen is arranged on the inner side of an air cylinder air outlet; a groove penetrating through the piston is formed on the piston in the shell height direction, a rotary hair brush mechanism is arranged in the groove, the rotary hair brush mechanism comprises a rotating shaft, the rotating shaft is arranged in the groove in a rotary mode in the shell height direction, a rotating wheel is arranged at one end of the rotating shaft, a hair brush is arranged on an outer wall of the rotating shaft, the rotating wheel is in contact with an inner wall of the air cylinder, and the hair brush is in contact with the pm10 filter screen; the piston is driven by a motor to move. The air purifier can filter air in a classified mode, the pm2.5 filter screen can be cleaned by the hair brush in time, the pm2.5 filter screen is prevented from being often plugged by large-particle pollutants, a work period of the air purifier is improved, and the air purifier has a simple structure and a high-efficiency purifying efficiency.

The invention relates to a waste water ratio valve and a reverse osmosis filtering core water purifier. The waste water ratio valve comprises a valve body (3) which is provided with a hollow chamber and a valve core (2) which can move in the hollow chamber. The valve body (3) is provided with a flushing water hole (9). The outer edge of the flushing water hole (9) is further provided with at least one concave hole (8). The valve core (2) can move relative to the flushing water hole (9). In a waste water discharge state, the valve core (2) enters the flushing water hole (9) and forms waste water holes with the concave holes (8); and in a flushing state, the valve core (2) leaves the flushing water hole (9), and flushing water outflow channels are jointly formed by the flushing water hole (9) and the concave holes (8). Water colloids and impurities attached to the waste water holes can be flushed away by flushing water, thus, the situation that the waste water holes are blocked is avoided, and the service life of the waste water ratio valve is prolonged.

The invention relates to a screening machine, in particular to an agricultural rapeseed screening machine. The invention provides the agricultural rapeseed screening machine being automatic in screening, convenient to collect and capable of thoroughly screening impurities. The agricultural rapeseed screening machine comprises a base, a funnel, a baffle and a separation device; and supporting columns are symmetrically arranged on one side of the top of the base, the funnel is arranged between the tops of the supporting columns, the lower part of the funnel is connected with the baffle in a sliding mode, and the separation device is arranged at the top of the base. The agricultural rapeseed screening machine achieves the effects of automatic screening, convenient collection and thorough screening of the impurities; a servo motor is started to drive a rotating shaft to rotate, and through cooperation between the separation device and a screening device, the separation device preliminarilyscreens rapeseeds while the rapeseeds fall; and when the rapeseeds fall on a screening frame, the screening frame moves left and right to secondarily screen the rapeseeds, in this way, the rapeseedscan be automatically screened, and the effect of thoroughly screening the rapeseeds can also be achieved.

The invention discloses a heat-pump water heater system with five capillary tubes. The heat-pump water heater system comprises a compressor, a four-way valve, a plate type heat exchanger and a fin type heat exchanger, wherein the four-way valve is provided with an E tube, an S tube, an C tube and a D tube; the plate type heat exchanger is provided with a first upper port, a first lower port, a second upper port and a second lower port; and the input end of the compressor is communicated with the S tube of the four-way valve. In the heat-pump water heater system, a first electromagnetic valve,a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve and a fifth electromagnetic valve are controlled according to different ambient temperatures correspondingto the valves, so that a refrigerant does not easily enter the compressor in the low-temperature operation process of the compressor, and the unit capacity and energy efficiency of a heat pump waterheater within different ambient temperature intervals are improved, and the compressor is controlled to operate at the high temperature environment interval within the evaporation temperature; the five capillary tubes are adopted to replace throttling parts, so that the throttling parts are prevented from being blocked; and meanwhile, when a heat pump water heater unit defrosts, the flow is increased and quick defrosting is realized.

Embodiments of the invention disclose a method and an apparatus for displaying data information in a diagram, and electronic equipment. The method comprises the steps of generating and displaying an auxiliary line in response to a preset operation executed by a user in a drawing area of the diagram; acquiring first data information of a data line in the diagram and a first intersection point of the auxiliary line; and displaying the first data information in a legend area in the diagram.

The invention relates to an intelligent wind-solar complementary street lamp with a detection function and high power generation efficiency. The intelligent wind-solar complementary street lamp comprises a base, a lamp pole, an illuminating lamp, a wind power mechanism, a photoelectric mechanism and a detection mechanism. The detection mechanism comprises a vertical rod, a detection box, a translation assembly, a translation block and a cleaning box. The photoelectric mechanism comprises a fixing plate, a rotating assembly, a circular ring, a rotating disc and a plurality of photoelectric assemblies. The rotating assembly comprises a plurality of rotating units which comprise first motors and gears. According to the intelligent wind-solar complementary street lamp with the detection function and the high power generation efficiency, the propagation direction of sunlight is determined through positions of light spots at the bottom in the detection box in the detection mechanism, and thephotoelectric mechanism is adjusted conveniently; and compared with an existing detection mechanism, the detection mechanism has the automatic dust prevention and cleaning functions, not only that, the angle and position of a solar panel are adjusted through the photoelectric mechanism, the solar panel can be prevented from being shielded while directly facing the sunlight, and the power generation efficiency of the photoelectric mechanism and practicability of the intelligent wind-solar complementary street lamp are improved.

The invention discloses a municipal sewage transportation pipeline. The municipal sewage transportation pipeline comprises a sewage transportation pipe and a filter device detachably mounted on the sewage transportation pipe, wherein the filter device comprises a mounting pipe; a water inlet pipe and a drain pipe are fixedly mounted at the outer side walls of the bottom end and the top end of themounting pipe separately; connecting flanges are fixedly mounted on the sewage transportation pipe, the water inlet pipe and the drain pipe; every two adjacent connecting flanges are in close contactwith each other, a plurality of connecting screws are jointly inserted into every two adjacent connecting flanges, and each connecting screw is in threaded connection with a connecting nut; a mountingframe is fixedly mounted on the inner side wall of the mounting pipe; and a filter screen is fixedly mounted on the inner side wall of the mounting frame, and the mounting frame and the filter screenare positioned between the water inlet pipe and the drain pipe. Impurities in the sewage transportation pipe can flow to the filter screen and the bottom end of the mounting pipe after being filteredby the filter screen, so that the filter screen and the sewage transportation pipe can be prevented from being blocked, the sewage transportation effect is improved, the design is reasonable and thepractical effect is good.

The invention discloses an industrial robot spraying head mounting mechanism and a using method thereof, and relates to the technical field of spraying head mounting. The industrial robot spraying head mounting mechanism comprises a mounting seat and a spherical sealing block, a connecting hole is formed in the top end of the mounting seat, and a first threaded connector is arranged at an opening of the connecting hole; an adjusting cavity communicating with the connecting hole is axially formed in the mounting seat, a guide-out hole communicating with the interior of the adjusting cavity is formed in the bottom end of the mounting seat, the spherical sealing block is fixed to an opening of the guide-out hole, and the outer wall of the spherical sealing block is rotatably sleeved with a spherical rotating seat; and a communicating hole communicating with the interior of the guide-out hole is axially formed in the spherical sealing block, and a second threaded connector communicating with the communicating hole is fixedly inserted into the bottom end of the outer wall of the spherical rotating seat. A second threaded connector is connected with a spraying head, rapid adjusting operation on the spraying angle of the spraying head can be achieved around the spherical sealing block, and the spraying requirement of robot spraying equipment is met.

The invention relates to the technical field of liquid level meters, and discloses an anti-blocking mechanism of a magnetic turning plate liquid level meter. The anti-blocking mechanism comprises a liquid level meter body, which comprises two mounting pipes and a blow-down valve, wherein the right sides of the interiors of the two mounting pipes are connected with mounting mechanisms and are connected with filter screens through the mounting mechanisms, annular pipes are fixedly arranged at the positions, located on the right sides of the filter screens on the same sides, in the two mounting pipes, a plurality of evenly-distributed jet pipes are fixedly connected to the left sides of the pipe walls of the two annular pipes, a T-shaped connecting pipe is jointly and fixedly communicated between the two annular pipes, and a mounting plate is fixedly connected to the left outer side wall of the liquid level meter body. According to the anti-blocking mechanism of the magnetic turning plate liquid level meter, solid particle impurities embedded in the filter screen can be rapidly cleaned so as to prevent the blocking phenomenon, disassembly is not needed so as to facilitate the continuous detection of a detected medium, and the situation that due to the fact that the flow speed of the medium is too high, the magnetic floater excessively floats up and down, and observation of the detection effect is affected can be prevented.

The invention discloses a dust restraining tank of a concrete mixing plant. The top end of a tank body is closed. The outlet end of a feed pipe downwards extends into the top of the tank body and horizontally penetrates through a filtering plate assembly in the tank body. The filtering plate assembly is hung in the tank body through a hanging spring, and the circumferential edge surface of a filtering plate is in sliding fit with the inner wall of the tank body. The top end of the hanging spring is fixed to the inner top wall of the tank body. A plurality of hitting parts are arranged at the position, close to the inner wall of the tank body, of the lower portion of the filtering plate assembly. The filtering plate assembly comprises the filtering plate evenly and fully provided with filtering holes at intervals. The filtering holes run through the upper end face and the lower end face of the filtering plate. Every two adjacent filtering holes are communicated with each other. Concentrated discharge holes perpendicularly running through the upper end face and the lower end face of the filtering plate are formed in the filtering plate and form multiple rows in the filtering plate atintervals. One of injection pipes on the upper layer is arranged between every two adjacent rows of concentrated discharge holes. The dust restraining tank effectively filters out most of particle dust and is safe and free of blockage.

The invention relates to the technical field of spraying heads, in particular to a sprayer with a spraying head convenient to change. The sprayer comprises a spraying pipe, wherein the bottom end faceof the spraying pipe communicates with a guide block, a sliding frame is slidably connected to the outer side of the guide block, a handle is slidably connected to the front end face of the sliding frame, a fixing shaft is fixedly connected to the rear end face of the handle, the fixing shaft penetrates through the guide block and the sliding frame, the fixing shaft is fixedly connected with thesliding frame, the fixing shaft is in sliding connection with the guide block, a first sliding groove is formed in the outer side of the guide block, a first spring is arranged on the inner side of the first sliding groove, one end of the first spring is fixedly connected with the guide block, and a sliding block is in sliding connection with the inner side of the first sliding groove. According to the sprayer, through arrangement of the sliding frame, the arrangement matches with the fixing connection of the sliding frame and the fixing shaft and the sliding connection of the sliding frame and the guide block, the spraying head can be rapidly changed by rotating the handle, and time waste caused by disassembly and replacement is avoided.

The invention relates to the technical field of material loading and unloading, and discloses a tippler for train unloading. The tippler comprises a base, absorption equipment is fixedly mounted at the position close to one side of the bottom of an inner cavity of the base, and a riding wheel set is fixedly mounted at the position, located on one side of the absorption equipment, of the bottom of the inner cavity of the base. An unloading table is movably placed on the top of the riding wheel set, and the cross section of the unloading table is round. An arc-shaped unloading channel is formed in the position, located below an unloading device, in the unloading table, and the cross section face of the arc-shaped unloading channel is in an arc shape, so that the arc-shaped unloading channel and the unloading table can be integrated together, and materials in a wagon can directly enter the arc-shaped unloading channel in the dumping process; and the problems that in the unloading process of a traditional tippler, materials in a wagon collide with a riding wheel beam and a riding wheel set, even riding wheels are buried in the materials, and consequently the riding wheel beam and the riding wheel set are damaged are solved, and the service life of the device is prolonged.

The invention relates to the technical field of block chains, in particular to a communication method based on block chain and a storage medium, and the method comprises the following steps: selecting a plurality of block chain network nodes as information forwarding service nodes; connecting the communication client with the information forwarding service node to confirm the payment relationship; the information forwarding service node obtaining a payment relationship between the communication client and the information forwarding service node and storing the payment relationship in a local routing table; the message sending client sending the message content and the address of the message receiving client to an information forwarding service node; and connecting the information forwarding service node with the information forwarding service node connected with the message receiving client, establishing a payment channel and sends the message content, and then sending the message content to the message receiving client by the information forwarding service node. According to the method, the robustness of a communication system is increased through a decentralized and competitive node system, the operation cost of the system is reduced, the reuse of infrastructures is realized, and the interception of information is effectively avoided by using a plurality of communication paths.

The invention discloses a control system of an air filter with a water-treating function. The control system comprises an air purifying tank and a cylinder filter net; the air purifying tank is in square structure; a filter net spindle is arranged at the inner bottom of the air purifying tank; a filter net lower chuck is arranged on the filter net spindle; the lower end of the cylinder filter netis clamped in the filter net lower chuck; a wheel is arranged on the filter net spindle; a filter net rotating motor is arranged outside the air purifying tank and is in belt drive connection with thewheel; the upper end of the cylinder filter net is provided with a filter net upper chuck in fastened manner; the cylinder filter net rotates in the filter net upper chuck; an exhaust barrel is connected to the filter net upper chuck and is provided with a suction fan. An air speed measurer is arranged in the exhaust barrel. The sidewall of the air purifying tank is provided with an electronic-control detergent spray tank in which a detergent is loaded. A controller is in control connection respectively with the filter net rotating motor, the suction fan, a water pump, the electronic-controldetergent spraying tank and the air speed measurer.

The invention discloses an elastic alignment pipe component for the perforation of oil and gas wells, thus solving the problem of the existing hardwired alignment pipe that in the actual assembly process, the control of the accumulative error of the system is difficult. The elastic alignment pipe component is formed by splicing a first alignment pipe and a second alignment pipe, the inner cavity diameters of the first alignment pipe and the second alignment pipe are the same, the first alignment pipe comprises a first alignment pipe seat and an alignment pipe joint; and the second alignment pipe comprises a second alignment pipe seat and an alignment pipe plug, the alignment pipe plug is inserted in the alignment pipe joint, the first alignment pipe seat is connected with the alignment pipe joint through an elastic part, and the second alignment pipe seat is connected with the alignment pipe plug through another elastic part. As the alignment pipes are guided mutually and connected in a matched mode, the field assembly of the alignment pipes is particularly easy and the destructive effect of top extrusion can not appear. The phenomena that irregular nested sediments are formed in the pipe cavity and the gun barrel is blocked can be avoided and reduced after operations.

The invention relates to an anti-blocking atrial drainage tube, belonging to the technical field of medical devices. The anti-blocking atrial drainage tube comprises a tube head and a tube body; the tube head is spherical or ellipsoidal in shape, the outer surface of the tube head is alternately distributed by protrusions and depressions, and a plurality of drainage holes for liquid to enter intothe tube head are arranged at the depressions. As the anti-blocking atrial drainage tube of the invention is used, the metal tube head can be naturally stabilized at the low part of the operation field under the joint action of the gravity and the flexible tube body, and since the tube head of the invention has no spring structure, the tissue cannot be pinched, and the occurrence of damage is reduced.

The invention provides a method for preventing bottom water onrushing of an oilfield. The method comprises the steps that an injection and production well, nearest to the bottom water onrushing point,in multiple injection and production wells of oil reservoirs subjected to bottom water onrushing serves as a water injection well, and reinjection water is injected into the water injection well so as to displace crude oil in the oil reservoir; one or more injection and production wells, except for the water injection well, in the injection and production wells serve as oil production wells, thuscrude oil is produced; and the reinjection water contains swollen nanoparticles with the particle size being 10 nm-300 nm, and the nanoparticles are kept to be dispersed stably and not layered in thereinjection water. Through the method for preventing bottom water onrushing of the oilfield, bottom water onrushing of the oilfield can be effectively prevented.

The invention discloses a display device. The display device comprises a main display panel, a knob panel assembly and a main controller, the knob panel assembly comprises an auxiliary display panel and a knob assembly for fixing the auxiliary display panel; the main controller is connected with the main display panel through a first transmission line and is used for sending first image information to the main display panel, so that the main display panel displays a first image; the knob panel assembly is fixed on the light emitting side of the main display panel; and an area covered by the vertical projection of the knob panel assembly on the plane where the main display panel is located is the first area of the main display panel. A first through hole penetrating through the main displaypanel is formed in the first area; the main controller is connected with the auxiliary display panel through a second transmission line penetrating through the first through hole and used for sendingsecond image information to the auxiliary display panel, so that the auxiliary display panel displays a second image. The invention provides the display device to solve the problem that a knob assembled on an existing vehicle-mounted display screen displays an unclear picture.

The invention discloses a desulfurization waste liquid recycling device and process, and relates to the technical field of wastewater treatment. In order to solve the problem that a filter screen is easily blocked by impurities and the wastewater treatment efficiency is influenced during existing desulfurization waste liquid treatment, the invention provides a scheme as follows: the device comprises a water storage tank, a first filtering and cleaning mechanism is arranged in the water storage tank, a sleeve is fixedly connected to the bottom of the water storage tank, a water receiving tank is arranged at the bottom of the sleeve, a plurality of material guide rollers are rotatably connected to the interior of the water receiving tank, a plurality of second filtering and cleaning mechanisms are slidably arranged on the material guide rollers, a double-shaft motor is fixedly connected to the right side of the top of the water receiving tank, a transmission mechanism is arranged betweenthe double-shaft motor and the first filtering and cleaning mechanism, and a driving water supply mechanism is arranged at the bottom of the double-shaft motor. According to the invention, multiple filtration can be carried out, blockage can be avoided, high-quality and high-efficiency wastewater filtration is ensured, and repeated filtration treatment is beneficial to more thorough wastewater filtration.

The invention relates to a virtual object control method and device, computer equipment and a storage medium. The method comprises the steps: obtaining a panel display instruction generated by triggering on a user interface; in response to the panel display instruction, displaying an interaction control panel on the user interface; when an interaction button on the interaction control panel is triggered and the interaction button is associated with an object selection panel, replacing the interaction control panel with the object selection panel in the user interface; selecting a virtual object to be controlled through the object selection panel; and controlling the selected virtual object to interact according to the interaction mode corresponding to the interaction button. By adopting the method, the interaction effect can be improved.

The invention discloses an oven structure. The oven structure comprises an oven frame (1). A part hanger (6) is arranged in an oven. A sliding door (3) which can be opened outwards is arranged on one side face of the oven; and a part taking door is arranged on the other side of the oven, a plurality of transparent soft door curtains (2) are hung on the part taking door, and the edges of every two adjacent soft door curtains (2) are overlapped. By the adoption of the technical scheme, compared with the prior art, the oven structure has the advantages that the first-in first-out principle is achieved for baked parts, and the part braking quality is improved; the first-in first-out principle is achieved by rotating a hanging body; by arranging the doors on the two sides correspondingly, mutual interference of workers in the operating process of placing in and taking out parts is avoided, and the production efficiency is improved; a groove is formed in a single side of the oven, a support for containing a fan heater is reserved, and an air port is closely attached to the oven, so that an air outlet is prevented from being blocked, and the service life of the fan heater is guaranteed; and the structure is simple, the manufacturing cost is low, and maintenance is hardly needed.

The invention discloses a household multifunctional standby flashlight. The flashlight comprises a flashlight barrel body, one end of the flashlight barrel body is provided with a charging plug, and arust removal mechanism is arranged at the position, corresponding to the charging plug, of the bottom end of the flashlight barrel body. The flashlight is scientific and reasonable in structure, andis safe and convenient in use; an extrusion plate is pressed circularly, so that a grinding stone piece on one side of a moving plate can grind the surface of the charging plug to remove rusty spots attached to the surface of the charging plug, and the problems that in the long-term storage process of an existing standby flashlight, water vapor is attached to pores of the rusty spots, and when a power supply is switched on for charging, a socket is easily affected with damp caused by the water vapor to be short circuit and burning is solved; by the utilization of the combination between the loop side of a hook-and-loop fastener and the hook side of the hook-and-loop fastener, the standby flashlight can be conveniently bundled on the arm of a user, the user can conveniently operate with twohands, and the problem that the working state of the user is limited to the maximum degree due to the fact that a hand-held standby flashlight is prone to make only one hand of the user available tooperate is solved.

The invention relates to the field of wastewater treatment in particular to a composite multi-pipe membrane ultrafiltration wastewater treatment device, which comprises a tank body and a vibration device, wherein the upper end of the tank body is provided with a water inlet; a chemical adding barrel is arranged on the side wall of the tank body; the chemical adding barrel respectively communicateswith a microfiltration membrane and a hollow fiber ultrafiltration membrane through pipelines; a filtering screen, a microfiltration membrane and a hollow fiber ultrafiltration filter ultrafiltrationmembrane are sequentially arranged in an inner cavity of the tank body from top to bottom; a clean water outlet is formed in the side wall of the hollow fiber ultrafiltration membrane and the microfiltration membrane, and is connected into a clean water pool through a water pipe; water outlets are formed under the microfiltration membrane and the hollow fiber ultrafiltration membrane. The composite multi-pipe membrane ultrafiltration wastewater treatment device has the advantages that the structure is simple; the wastewater is subjected to three-layer filtration; the clean water can be obtained after filtration; through the addition of the vibration device, the blockage of the filtering screen is prevented; the water filtration is convenient; through the addition of chemicals, the ultrafiltration membrane and the microfiltration membrane are subjected to anti-blockage treatment; the popularization is convenient.

The invention belongs to the field of refrigerating equipment and particularly discloses pork refrigerating equipment. The pork refrigerating equipment comprises a box body, the top part of the box body is hinged with a cover plate for sealing, a plurality of air pumps are mounted at intervals at the bottom part of the box body, each air pump is provided with a rubber tube, an air tube is arrangedin each rubber tube, the air tubes are communicated with the output ends of the air pumps, a round ball is arranged at the top part of each rubber tube, a plurality of straight slots are formed in the peripheral surface of each round ball, an expansion sleeve is arranged in each round ball, a plurality of spurs positioned in the straight slots are arranged on the surfaces of the expansion sleeves, the expansion sleeves are communicated with the air pumps, a refrigerating machine for conducting refrigeration is arranged on the upper part of a side wall of the box body, a water tank is arrangedin a side wall of the box body, a cross tube leading into the box body is arranged on a side wall of the box body, the cross tube is communicated with the water tank, an impeller driven by a motor isarranged between the cross tube and the refrigerating machine and the edge of the impeller abuts with an outlet of the cross tube. The scheme can prevent pork blocks from adhesion, prevent the pork blocks from being damaged and maintain moisture in the pork blocks.

The invention relates to the technical field of sulfuric acid production, in particular to an industrial sulfuric acid solid-liquid separation system which comprises a workbench, an air drying box, a filter box and a transfer box are sequentially and fixedly mounted on the top wall of the workbench from left to right, a guide pipe extending into the filter box is fixedly mounted on the side wall of the transfer box, and a valve is mounted on the guide pipe. Under the action of gravity, liquid flowing out of the guide pipe falls onto the first filter plate, at the moment, the liquid penetrates through the first filter plate and enters the liquid accumulation box, filter residues remain on the surface of the first filter plate, and due to the fact that the first filter plate is obliquely installed, the filter residues are not prone to falling off. Therefore, the filter residues gradually slide into the flow guide pipe along the surface of the first filter plate and move to the surface of the filter screen along the flow guide pipe, after the filter residues are air-dried on the surface of the filter screen, the filter residues enter the filter residue box under the action of the feeding mechanism, and solid-liquid separation is carried out on liquid in the whole process.