83results about How to "Realize secondary filtration" patented technology

The invention discloses a novel domestic wastewater filtering mechanism. The novel domestic wastewater filtering mechanism comprises a discharging pool, a filtering water reservoir, a grating, a waterinlet pipe, a first activated carbon filter screen, a first polyester fiber filter screen, an electrical push rod, a push plate, a hairbrush, a sealing baffle, a residual box, a residual outlet, a drainage pipe, a stirring shaft, stirring blades, a first rotating wheel, a transmission belt, a second rotating wheel, a rotating shaft, a rotating piece, a drainage valve, a second activated carbon filter screen and a second polyester fiber filter screen. The novel domestic wastewater filtering mechanism is reasonable in structure, novel in design and capable of achieving secondary filtering and improving the filtering effects on domestic wastewater; through interaction of the stirring shaft, the stirring blades, the first rotating wheel, the second rotating wheel, the transmission belt, the rotating shaft and the rotating piece, secondary filtering can be more uniform and water can be better purified, so that the environment can be protected, and high market value and applicability to popularized usage can be achieved.

The invention discloses an intelligent dust-removal and ventilating system and relates to the field of air purification devices. The intelligent dust-removal and ventilating system comprises a channel. A first filtering plate and a second filtering plate which can be attached are arranged in the channel, and the first filtering plate is slidably connected with the inner wall of the channel in thevertical direction. The second filtering plate is slidably connected with the inner wall of the channel in the horizontal direction. An airbag is fixedly connected to the top of the first filtering plate, and the other side of the airbag is fixedly connected with the top wall of the channel. An elastic piece is arranged between the bottom of the first filtering plate and the bottom wall of the channel, and a through hole is formed in the first filtering plate. A slim hole is formed in the second filtering plate, and the communicating area of the through hole and the slim hole is increased gradually in the process of downward moving of the first filtering plate. A water tank is arranged on the upper portion of the channel, a plurality of spray holes communicating with the water tank are formed in the top wall of the channel, and when the second filtering plate and the first filtering plate are attached, the spray holes can be shielded. The problems that an existing ventilating device isprone to being blocked and cannot automatically adjust the ventilation quantity according to the environment temperature are solved, and the intelligent dust-removal and ventilating system is mainlyused for ventilating and dust removal of a factory.

The invention discloses an automatic cleaning device of an arc sieve. The automatic cleaning device is characterized by comprising a bracket (2) fixedly arranged above the arc sieve (1) and following with the arc sieve (1), wherein a motor (3) is fixedly supported on the bracket (2); a soft hairbrush roller (4), an ordinary hairbrush roller (5) and a hard hairbrush roller (6) which are sequentially arranged from top to bottom are also rotationally supported on the bracket (2); the motor (3) drives the soft hairbrush roller (4), the ordinary hairbrush roller (5) and the hard hairbrush roller (6) through a belt driving pair; a water pump (8) is also arranged in a water-collecting groove (7) positioned below the arc sieve (1); an outlet end of a secondary flushing pipeline (9) connected with the water pump (8) is positioned above the arc sieve (1). The automatic cleaning device is the device which is simple in structure and ingenious in design and can automatically run and simply and quickly clean the arc sieve.

The invention discloses plasma compound type air dehumidifying, purifying and sterilizing equipment and a control method thereof. The plasma compound type air dehumidifying, purifying and sterilizingequipment comprises a directional flow fan which is arranged in a housing, wherein a pre-filter mechanism and a dehumidifying mechanism are sequentially arranged between an air inlet and the directional flow fan in a gas-flow direction; a sterilizing mechanism and a secondary filter mechanism are sequentially arranged between the directional flow fan and the air outlet in the gas-flow direction; adisplay screen is further arranged at the outer side of the housing; the display screen is connected with a control center; the control center is further connected with a detecting mechanism and a control switch; the control center receives an environmental detecting value sent by the detecting mechanism and sends the environmental detecting value to the display screen to display; and the controlcenter sends a start or stop signal to the control switch according to comparison between the environmental detecting value and a set value. The plasma compound type air dehumidifying, purifying andsterilizing equipment integrates a sterilizing function, a purifying function and a dehumidifying function of indoor air, serves multiple purposes, and realizes integrated intelligent control of the air dehumidifying function, the sterilizing function and the purifying function, so that the indoor air treatment effect is improved, and efficiency is improved.

The invention relates to the field of air cleaning, in particular to a filter dust removal device which comprises a filter, a ventilation box, an air blow device and a driving device. The filter is fixedly connected and communicated with the lower end of the ventilation box, the air blow device is fixedly connected and communicated with the upper end of the ventilation box, the driving device is connected at the upper end of the ventilation box through bolts, the air blow device is connected with the driving device through a belt, a swinging rod, a torsion spring and a tensioning wheel are arranged on the ventilation box, one end of the swinging rod is rotatably connected on the ventilation box, the tensioning wheel is rotatably connected at the other end of the swinging rod, and the torsion spring is arranged between the swinging rod and the ventilation box. The filter dust removal device has the advantages that secondary filter of the air can be achieved, filter effects are good, thedevice effectively solves the problem that pollutants are deposited at one position, the filter can be cleaned, a filter screen can be cleaned, and frequent replacement of the filter screen is omitted.

The invention discloses a disinfection filtering device for anti-infection in a clinical pneumology department in the technical field of disinfection filtering devices for the anti-infection in the pneumology department. An ultraviolet disinfection lamp and an ozone generator are fixedly arranged at the parts, above a first partition plate, of the left side wall and the right side wall of an innercavity of a disinfection box correspondingly, a second gas outlet pipe is fixedly assembled on the right side of the top of a second partition plate, a filter cover is in threaded connection with thetop end of the second gas outlet pipe, the bottom end of the second gas outlet pipe penetrates through the second partition plate and then is fixedly connected with an ozone purification cylinder, the output end of the ozone purification cylinder is fixedly connected with a first gas guide pipe, a heater is fixedly arranged at the bottom of an inner cavity of an ozone absorption box, a second gasguide pipe is fixedly assembled on the left side wall of the ozone absorption box, the other end of the second gas guide pipe leftwards penetrates through the left side wall of the disinfection box,and a purifier and a waterproof breathable film are sequentially assembled on the second gas guide pipe from right to left. The disinfection filtering effect on air can be improved, and the purity ofair purification is guaranteed.

The invention relates to a microorganism ecological tank for water quality purification. The microorganism ecological tank comprises an outer framework body, wherein an opening of the outer frameworkbody faces up; the outer framework body can be buried into soil, the interior of the outer framework body is provided with a first ecological area, a second filtering area and a thrust and water suction area from top to bottom, a separating plate is arranged between the first ecological area and the second filtering area, a through hole is formed in the separating plate, and a first one-way waterintake valve is arranged in the through hole; an ecological floating island is arranged in the first ecological area; a microorganism purifying part is arranged in the second filtering area, and comprises a movable plate, the movable plate can slide along the outer framework body up and down, an elastic belt is connected between the movable plate and the separating plate, and a microorganism carrier film layer is attached to the elastic belt; a water suction channel is connected between the thrust and water suction area and the second filtering area; a thrust part and a water suction part arearranged in the thrust and water suction area. The microorganism ecological tank has the beneficial effects that the rainfall water is directly purified and utilized, and the purifying and utilizing rate is high.

The invention relates to a dual-filtration rain recycle processing system, which comprises the first and second filters, wherein the first filter is formed by tubular element whose middle is large and two ends are small; the inner wall of low end and the inner wall of middle part are connected via cutoff table that protruded inwards; the cutoff table is arranged with one filter water outlet; the second filter is arranged one inlet and one outlet; one incline groove is under the inlet of second filter; the groove is arranged with filter screen; the filtered water outlet of first filter is connected to the inlet of second filter. The invention can separate the foreign matter in rain by simple rain recycle processing system, to confirm clean rain.

The invention relates to the technical field of an air conditioner, and in particular relates to a combined air conditioner and a control method thereof. The invention aims to solve the problem that the combined air conditioner cannot monitor and control exhaust air. For the purpose, the combined air conditioner comprises a box body, a first air returning segment, an efficient filtering segment, areturn air duct, an air quality detection device and a control device, wherein an air inlet segment and an air outlet segment are respectively arranged at the two ends of the box body; an air inlet is formed in the air inlet segment, an air outlet is formed in the air outlet segment, and a first valve body which can be opened and closed is arranged at the air outlet; the first air returning segment and the efficient filtering segment are arranged between the air inlet segment and the air outlet segment, and an efficient filtering component is arranged in the efficient filtering segment; the two ends of the return air duct respectively communicate with the first air returning segment and the air outlet segment, and a second valve body is arranged at the communicating position of the returnair duct and the first air returning segment; the air quality detection device is arranged in the air outlet segment; and the control device is respectively connected with the air quality detection device, the first valve body and the second valve body. The combined air conditioner can monitor and control the quality of the exhaust air and ensure the quality of the exhaust air.

The invention discloses a slope protection structure being answerable for water and soil loss. The slope protection structure comprises a slope protection body, wherein a plurality of stages of stepsare arranged on the slope protection body, a triangular groove belt is arranged in each step, a rainwater filtering device is arranged in each triangular groove belt, each rainwater filtering device comprises two punching plates, a multi-stage covering layer and a drainage channel, wherein the two punching plates are tightly attached to the two sides of the triangular groove belt correspondingly,the multi-stage covering layer is arranged between the two punching plates at one time from top to bottom, the drainage channel is arranged below the multi-stage covering layer, and the drainage channel communicates with a slope surface drainage system. According to the slope protection structure, the rainwater filtering device is arranged on each stage of the step, and stepped interception of precipitation is achieved; when the precipitation amount is small, precipitation can be naturally permeated into the slope surface soil through the punching plates; when the precipitation amount is large, a small amount of precipitation directly penetrates into the slope surface soil, and the remaining precipitation is gathered to the slope surface drainage system through the drainage channels to bedrained; and precipitation is prevented from directly flushing the slope surface, and the water and soil loss of the slope surface is reduced.

The invention discloses a back-blowing flue gas filtering system and an operating method thereof. The back-blowing flue gas filtering system comprises one or more back-blowing pipes (1) educed from a back-blowing gas source, each back-blowing pipe (1) is provided with a tee joint (2), a valve 1 (3) and a valve 2 (7) are arranged behind the tee joint (2), a back-blowing section 1 (6) is connected behind the valve 1 (3), the back-blowing section 1 is connected in series with a back-blowing flue gas filtering device (4) and a back-blowing booster fan (5), and the tail end of the back-blowing section 1 is connected with a back-blowing bag type dust remover dust cleaning system (9); and a back-blowing section 2 (8) is connected behind the valve 2 (7), the back-blowing section 2 (8) is directly connected with the back-blowing bag type dust remover dust cleaning system (9), and the back-blowing section 1 (6) is connected in parallel with the back-blowing section 2 (8). The back-blowing flue gas filtering system is used in a back-blowing bag type dust remover, and when the dust content of back-blowing flue gas is high because a filter bag of the back-blowing bag type dust remover is damaged, the filtering system is started for carrying out secondary filtering, so that the problem that dust is accumulated in the filter bag due to the back-blowing of dust-containing flue gas is solved.

The invention discloses a municipal wastewater treatment device and method. The municipal wastewater treatment device comprises a tank body; the tank body is internally provided with a first water delivery pipe, a second water delivery pipe, a purification tank and a sedimentation tank; two ends of the first water delivery pipe are respectively connected with a water inlet pipe and the sedimentation tank; the first water delivery pipe is provided with a first wastewater interception device; an impurity grabbing mechanism is arranged above the sedimentation tank; a transportation device is arranged between the impurity grabbing mechanism and the sedimentation tank; two ends of the second water delivery pipe are respectively connected with the sedimentation tank and the purification tank; and the water inlet end of the second water delivery pipe is provided with a second wastewater interception device. The wastewater treatment method comprises the steps: mounting the pipes; mounting thefirst wastewater interception device; mounting the transportation device; mounting the impurity grabbing mechanism; mounting the second wastewater interception device; and treating wastewater. The wastewater treatment method is simple; and the wastewater treatment device is integrated into the tank body, so that not only can the occupied space be reduced, but also the cost can be reduced, and thewastewater treatment device is simple and convenient to maintain and suitable for treating municipal wastewater and also reducing the wastewater treatment pressure of a municipal pipe network.

The invention relates to a recycled concrete aggregate screening system, and relates to the field of concrete aggregate screening. The recycled concrete aggregate screening system comprises a screening device and a collecting device, the screening device comprises a rack, a rotary drum and a filtering sleeve, a feeding channel is formed in the rotary drum, first filtering holes are formed in the outer side wall of the rotary drum, the filtering sleeve and the rotary drum are spliced to form a first filtering cavity, and second filtering holes are formed in the filtering sleeve; a feeding opening is formed in the rack, and a driving piece is arranged on the rack. The driving piece is controlled to drive the rotary drum to rotate, then recycled concrete aggregate is fed, the recycled concrete aggregate enters the feeding channel, fine aggregate falls into the first filtering cavity, coarse aggregate is left in the rotary drum and rolls to the collecting device, the aggregate with the small diameter in the fine aggregate falls to the collecting device through the second filtering holes, and the aggregate with the large diameter is left in the first filtering cavity and then falls to the collecting device, so that multi-stage screening of the recycled concrete aggregate is achieved, the screening precision is higher, aggregate screening is more convenient, and the screening efficiency of the aggregate can be improved.

The invention discloses oil refining and filtering equipment for petrochemical engineering. The equipment comprises a frame I, a collecting box is fixedly connected to the bottom of the inner wall ofthe frame I; a frame II is arranged in the frame I; toothed plates I are fixedly connected to the two sides of the frame II; the surface of the first toothed plate penetrates through the frame I and slides on the frame I in a limited mode, the surface of the toothed plate I is sleeved with a first reset spring, the two ends of the first reset spring are fixedly connected with the opposite sides ofthe inner walls of the frame II and the frame I, the side face of the frame I is fixedly connected with a side plate, and the front side of the side plate is rotationally connected with a gear through a pin shaft. According to the invention, through the cooperative use of the structures, the problems that in the actual use process, the filtering efficiency of the traditional filter cloth is low,the actual filtering requirement is difficult to meet, the sealing plate is opened intermittently, petroleum is difficult to filter continuously, the oil refining efficiency is further reduced, and inconvenience is brought to the use are solved.

The invention provides a well drilling pressurizing speed-up device. The well drilling pressurizing speed-up device is used for increasing well drilling speed during petroleum drilling. The well drilling pressurizing speed-up device comprises a power mechanism, a reversing and filtering mechanism, a pressurizing system and a pressurizer drilling bit system. The output shaft of a screw motor is provided with an external spline and matched with a rotating core shaft with an internal spline to rotate together; the outer portion of the rotating core shaft is provided with two spiral grooves, and the rotating core shaft, a pin shaft, a thrust bearing, a connecting bolt, a filter barrel and the like compose an outer spiral groove-type reversing mechanism. Under the action of the outer spiral groove-type reversing mechanism, the rotating movement of the screw motor is converted into the linear reciprocating movement of a plunger, a part of filtered liquid is pressurized into a ultrahigh pressure, and the ultrahigh-pressure liquid flows towards an ultrahigh-pressure spray nozzle inside a drilling bit through a discharge valve and an ultrahigh-pressure flow channel to achieve the aim of cutting rock and accelerating drilling.

The invention discloses a novel recycled water production device for municipal wastewater treatment. The novel recycled water production device comprises a base, wherein a box body is arranged above the base and is fixedly connected with the base through a support; the outer end of a middle opening which is formed in the top side of the box body is fixedly connected with a lower port of a sewage ball valve; a coaxial gear is fixedly mounted at the left end of a valve rod of the sewage ball valve; a first horizontal shaft is arranged at the left end of the lower part of the box body; the rear end of the first horizontal shaft is in bearing connection with the rear-side inner wall of the box body; the front end of the first horizontal shaft passes through a preformed hole which is formed inthe front wall of the box body and is positioned on the front part of the box body; and the outer circumference of the first horizontal shaft is rotatably connected with the inner circumference of thepreformed hole through a sealing bearing. The novel recycled water production device disclosed by the invention has a simple structure and is ingenious in idea; by utilizing the gravity of the sewageas kinetic energy, classifying filtration of the sewage is realized; by using a pure mechanical structure, coordination of all sewage treatment steps is realized, and thus, the reliability is high, the pure mechanical structure is convenient to repair and the maintenance cost is low; and a filtration device can be cleaned, so that blocking of the filtration device is effectively avoided, greenness is achieved, energy consumption is avoided, and market demands can be met, and therefore, the novel recycled water production device for municipal wastewater treatment is suitable for popularization.

The invention discloses a special extrusion filter device for a biological product material, wherein the special extrusion filter device structurally comprises an extrusion filter regulating box, a control panel, a support base, an indicator lamp, a hinge, a transparent observation port and a refrigeration placing box. The upper surface of the support base is fixedly connected with the lower surface of the extrusion filter regulating box by a welding way. According to the special extrusion filter device for the biological product material, when the material is poured into the device fully, a lifting and extrusion mechanism is driven by controlling a motor brake device; at the same time, a hydraulic transmission mechanism applies pressure on an extrusion plate through the transmission of the hydraulic brake device, and a buffer fit mechanism is allowed to generate the extrusion force because of the gravity effect; multidirectional extrusion can be realized with the three parts; materialfilters can be repeatedly stirred by a spiral stirring device, so that the material filters can be used many times. The extrusion effect of the whole device is improved, the extrusion time is shortened, and the waste of the raw materials is reduced.

The invention discloses a multifunctional infusion set device, which comprises a transfusion puncture needle, a total infusion line, a multi-head infusion tube, a main line of the infusion set, a dripping funnel, a pipe under the dripping funnel, a bubble filter bucket, a connecting pipe, and an air bubble filter Bucket, speed regulator, control valve, heating tube and infusion needle, the lower side of the infusion piercing needle is connected with the main infusion pipeline, and the lower side of the total infusion pipeline is provided with a multi-headed infusion tube and a main pipeline of the infusion set, A drip funnel is installed on the lower side of the main pipeline of the infusion set, and the drip funnel is connected with the air bubble filter funnel through the lower pipeline of the drip funnel. This device uses non-PVC materials instead of PVC materials. Polyurethane is harmless to the human body and environmentally friendly. It meets medical standards. Two air filters with different sizes can realize the secondary filtration of air bubbles. The discomfort caused by cold, and the infusion needle with cartoon pattern can relieve the tension of children.

The invention relates to an oil well thermal cleaning filter. The oil well thermal cleaning filter comprises a tank body, wherein the tank body is provided with a water intake pipe, a water exhaust pipe and a discharge pipe; the water exhaust pipe is connected with an oil well thermal cleaning water intake pipe; the water intake pipe extends horizontally from the upper part of the side wall of the tank body into the center of an inner cavity of the tank body and bends toward the bottom to form a vertical water exhaust filter element from inward to outward; the bottom of the water exhaust filter element is a water intake pipe impurity sedimentation section; the bottom of the tank body is provided with a discharge pipe opening; the upper part of the lateral wall, opposite to the water intake pipe, of the tank body is provided with the water exhaust pipe; the water exhaust pipe opening at the side wall is provided with an arc filter screen protruding towards the inside of the tank body cavity; the bottom of the tank body is provided with an arc bottom surface protruding downward; the arc bottom surface is provided with a discharge pipe opening; a discharge valve is arranged at the discharge pipe opening. According to the water injection filter, the thermal cleaning water intake pipe is directly designed integrally in sections; not only can filtering water injection from inward to outward be realized, but also impurities can be discharged and cleaned by water injection; the detailed design is relatively reasonable; the filtering effect is good; the sewage discharge is simple and complete; the structure is simple; the oil well thermal cleaning filter is easy to popularize.

The invention discloses a food fast detector with a continuous sampling injection function, and particularly relates to the technical field of food fast detection. The food fast detector comprises a driving motor, a fixed disc, a liquid inlet device and an oscillation device, and the output end of the driving motor is fixed to the lower portion of the fixed disc. The oscillation device comprises afixed seat. The liquid inlet device comprises an outer barrel, a first liquid storage barrel, a piston barrel, a second liquid storage barrel, a sample liquid barrel and a sample inlet pipe. The outer cylinder body is elastically connected with the fixed seat. The first liquid storage cylinder is sleeved with the outer cylinder body, a first through hole is formed in the first liquid storage cylinder, the first liquid storage cylinder is provided with a piston rod, and the end of the piston rod is fixed to the piston. The piston is arranged in the piston cylinder in a sliding mode, the pistoncylinder is fixedly communicated with the second liquid storage cylinder, the second liquid storage cylinder is provided with a sealing plug, and a second through hole is formed in the side wall of the second liquid storage cylinder. One end of the sample injection pipe is communicated with the sample liquid cylinder, and the other end is communicated with the first liquid storage cylinder. The food fast detector has the advantage that the liquid can be continuously fed in the centrifugal process of the sample solution.

The invention discloses environment-friendly dust removal equipment which comprises a base, a dust collecting mechanism, a first circulating water tank, a second circulating water tank, a first dust removal box, a second dust removal box and a spraying mechanism, a filler assembly is arranged in the first dust removal box, the second dust removal box is arranged on the second circulating water tank, and a dust-gas separation mechanism is arranged in the second dust removal box; and the second dust removal box is provided with a second leaching assembly above the dust-gas separation mechanism, and the spraying mechanism is fixed above the second dust removal box and communicates with the dust-gas separation mechanism. The environment-friendly dust removing equipment is used for removing dust existing in a factory workshop, the dust is absorbed by a workbench or a dust area through the dust collecting mechanism, firstly, the dust is adsorbed and filtered through the filler assembly, the dust-gas separation mechanism can achieve secondary filtering of residual dust in air, and the dust-gas separation mechanism can achieve secondary filtering of the residual dust in the air; and then the clean air is subjected to spraying treatment through the spraying mechanism, spraying and dust falling can be further conducted on dust in a factory workshop, and the dust problem can be effectively solved.

The invention relates to the technical field of water treatment, in particular to a non-woven-fabric filter. The non-woven-fabric filter comprises a frame body and a filter element arranged in the frame body; the filter element comprises a first non-woven-fabric layer and a second non-woven-fabric layer, and a support network is arranged between the first non-woven-fabric layer and the second non-woven-fabric layer; multiple first non-woven-fabric bags are evenly distributed on the first non-woven-fabric layer, and multiple second non-woven-fabric bags are evenly distributed on the second non-woven-fabric layer; each cavity formed between the corresponding first non-woven-fabric bag and the first non-woven-fabric layer is provided with a first filter material; each cavity formed between the corresponding second non-woven-fabric bag and the second non-woven-fabric layer is provided with a second filter material. By means of the arrangement, the non-woven-fabric filter has the sterilization effect and is low in manufacturing cost.

The invention discloses a totally-enclosed circulating water aquaculture device for aquatic hazel grouse feed. The device comprises a circulating water pump, a water level measuring instrument, a cylindrical shell, a feeding port and a water inlet pipe; the circulating water pump is installed at the left of the cylindrical shell; a drainage pipe is installed at the left side of the circulating water pump and the drainage pipe passes through a valve cover and is installed inside the cylindrical shell; the water outlet pipe is provided with an air pipe and the air pipe is provided with a check vale; the water level measuring instrument is installed at the bottom of the cylindrical shell; the cylindrical shell is provided with a filtering device, a biochemical cotton, an aquaculture cabin anda microbe filter bed which are successively arranged from top to bottom; a nitrogen processing device is installed under the right of the cylindrical shell; the feeding port is installed at the rightside of the aquaculture cabin; the water inlet pipe is installed at a right side of the cylindrical shell. The novel structure design of the invention effectively solves the nitrogen accumulation problem in the process of aquaculture water treatment, ensures the complete biological denitrification, realizes a true secondary aquaculture water filtration device for aquaculture, saves water resources, and reduces pollution.