102 results about "Isolation tank" patented technology

The invention relates to the field of sewage treatment equipment, in particular to aquaculture sewage treatment equipment. The aquaculture sewage treatment equipment comprises a large particle impurity removal mechanism, a deodorizing mechanism and a scum removal mechanism, wherein a first infusion pump is arranged between the large particle impurity removal mechanism and the scum removal mechanism, and the scum removal mechanism comprises a disinfection cabinet, a first stirring component, a scum fishing component, an oil isolation component and a material moving plate, the oil isolation component comprises an isolation tank and an oil baffle, the right end and both sides of the oil baffle are provided with oil absorbent cotton, and the bottom of the isolation tank is provided with an oiloutlet pipeline. The beneficial effects of the present invention are in that the filtered large particle impurities can be fed into a storage tank by the large particle impurity removal mechanism, and a sedimentation tank can be raised to a certain height by a sediment treatment component, so that the workers can handle the sediments conveniently, and the suspended matter and oil slick in the sewage can be removed by the scum removal mechanism, so that the sewage can be further purified.

The present invention provides a pressure control isolation tank for a closed loop heating system. A diaphragm within the tank separates heating system fluid from non-system fluid. The heating system fluid is provided under constant pressure, typically 12 PSI. Usually the non-system fluid is service water or clean water flowing through a pressure reducing valve. As the heating system loses system fluid through tiny leaks, and also loses air through vents, the non-system fluid causes the diaphragm to displace the volume lost by the leaked heating system fluid and leaked air. Thus, the heating system fluid is maintained at a constant pressure.

The invention relates to an integral extracting multipurpose machine device of an aqueous hydrogen and oxygen source, which is characterized in that a shell is internally provided with a frame; the lower part of the frame is provided with an aqueous hydrogen and oxygen separation groove; the aqueous hydrogen and oxygen separation groove is provided with a water and gas storage tank and a water receiver; the water and gas storage tank and the water receiver are internally provided with water and gas magnetizing partition plates, communicated with an aqueous hydrogen inlet and an aqueous oxygen inlet of the aqueous hydrogen and oxygen separation groove through pipelines and respectively communicated with a hydrogen storage tank and an oxygen storage tank through the pipelines; the hydrogen storage tank and the oxygen storage tank are respectively communicated with a hydrogen output isolation tank and an oxygen output isolation tank through gas pipelines; and the hydrogen output isolation tank and the oxygen output isolation tank are respectively provided with an external hydrogen output opening and an external oxygen output opening. The invention separates the hydrogen and the oxygen adopting multicavity and multistage magnetic refraction, thereby breaking down the traditional electrolyzing method; and in addition, the invention has the advantages of fast gas generation, large gas generation amount, safety and small volume.

The invention relates to the field of sewage treatment equipment, in particular to aquaculture sewage treatment equipment. The aquaculture sewage treatment equipment comprises a large particle impurity removal mechanism, a deodorizing mechanism and a scum removal mechanism, wherein a first infusion pump is arranged between the large particle impurity removal mechanism and the scum removal mechanism, and the scum removal mechanism comprises a disinfection cabinet, a first stirring component, a scum fishing component, an oil isolation component and a material moving plate, the oil isolation component comprises an isolation tank and an oil baffle, the right end and both sides of the oil baffle are provided with oil absorbent cotton, and the bottom of the isolation tank is provided with an oiloutlet pipeline. The beneficial effects of the present invention are in that the filtered large particle impurities can be fed into a storage tank by the large particle impurity removal mechanism, and a sedimentation tank can be raised to a certain height by a sediment treatment component, so that the workers can handle the sediments conveniently, and the suspended matter and oil slick in the sewage can be removed by the scum removal mechanism, so that the sewage can be further purified.

The invention discloses an anti-radiation dosing, split-charging and injection device and method. The device comprises a dosing and injection unit, an external port and an anti-radiation isolation tank, wherein the dosing and injection unit is arranged in the anti-radiation isolation tank and comprises a source liquid bottle, a normal saline bottle, a waste liquid bottle, a measurement bottle, an activity measuring instrument, a dosing device, a dosing device linkage unit and a controller, and the activity measuring instrument is used for measuring activity of a medicine liquid in the measurement bottle in real time; an inlet of the dosing device is connected with the source liquid bottle, the measurement bottle and the normal saline bottle through pipelines provided with valves respectively, and an outlet of the dosing device is connected with the waste liquid bottle and the external split-charging and injection port through pipelines provided with valves respectively. According to the device and the method, the problems of transfer, split-charging and injection of the radioactive source liquid are integrally solved, split-charging and injection can be performed manually or automatically, all parts contacted with a drug can be replaced, so that external pollution and external radiation to the drug are avoided, and meanwhile, the pollution of the drug to the machines is also avoided.

The invention discloses a method for processing a transformer pulling plate magnet isolation tank, comprising the following processing steps: first, drilling technology holes with diameter being equal to the diameter to the tank width of the magnet isolation tank at the two ends of the X direction of the length of the pulling plate body; aligning the technology holes at one end of the X direction of the length of the pulling plate body with a nozzle of a flame cutting torch along the Y direction of the width of the pulling plate body, a cooling water pipe is arranged along the X direction and at the same line the flame cutting torch is located; the flame cutting torch and the cooling water pipe are connected with a moveable cart at one side of the Y direction of the width of the pulling plate body with two mutually parallel arms; the flame cutting torch is stated to facilitate the moveable cart move along the X direction at a speed of 300-500mm / min towards the technology holes at the other end of the X direction; meanwhile, the cooling water pipe is opened to continuously inject water forward along the movement direction of the flame cutting torch; when the flame cutting torch moves to the technology holes at the other end of the pulling plate; the technology holes at the end is aligned with the nozzle of the flame cutting torch along the outside of the Y direction to facilitate the moveable cart to move in the opposite direction until the cart returns to the previous technology holes.

The present invention relates to a pump motor with an isolation tank. The pump motor has a motor housing (10), a pump head (11), and an isolation tank(3), wherein the pump head and the isolation tank delimit the wet chamber (26); and the isolate the tank and the motor housing (10) delimit a dry chamber (25); the permanent magnet rotor (2) being supported in the wet chamber (26) so as to be rotatable about an axis (49), the winding type stator and a circuit board (20) are arranged in the dry chamber (25), and the circuit board (20) is opposite the isolation tank bottom (17). It is an object of the present invention to provide a reliable thermal output with increased heat removal power from a circuit board (20) to a medium to be conveyed in such a pump motor in an economical manner. This task is solved by the fact that the isolation tank bottom (17) has a recess (18) on the side opposite the circuit board (20) and a projection (19) on the opposite side.

The invention relates to a novel self-stirring sewage treatment purification tank which comprises four cells arranged in a matts shape, an air pump, an air-blowing pipe and an aeration pipe. The novel self-stirring sewage treatment purification tank is characterized in that the upper portion of a first cell is provided with a buffer tank, a water inlet tank and an oil isolation tank. An oil separating plate is arranged in the buffer tank. A U-shaped pipe is arranged between the first cell and the second cell, the air-blowing pipe extends into the first cell so as to stir substrates in the first cell and the second cell; the aeration pipe extends into the third cell, so as to perform aerobic reaction of the third cell; and mud discharging pipes are disposed in the third cell and the fourth cell. The sewage treatment purification tank is integrally of a matts-shaped layout, the occupied space is small, the novel self-stirring sewage treatment purification tank can be connected to a sewage treatment pipe network, the oil separating plate can hold back oil stains, automatic stirring of the substrates can be achieved, the mud discharging pipes can discharge sludge in the purification tank in a steam stripping mode, sewage undergoes the anaerobic-anoxic-aerobic-precipitating process, and the purification treatment of the sewage is performed.

The invention relates to a sterile liquid dipping device for cotton swabs. By the aid of the sterile liquid dipping device, the problem of low cotton swab liquid dipping efficiency and low safety canbe effectively solved. The technical scheme includes that the sterile liquid dipping device comprises a medicine liquid tank and a waste liquid collecting tank; an isolation tank is arranged in the medicine liquid tank, a floating plate is mounted in the isolation tank, a liquid inlet pipe is mounted on the isolation tank, a plunger is mounted in the liquid inlet pipe, a first pressure spring sleeves the plunger, a stay is arranged between the plunger and the floating plate in a connected manner, a liquid dipping tank is mounted below the isolation tank, liquid separation control devices are mounted between the isolation tank and the liquid dipping tank and between the liquid dipping tank and the waste liquid collecting tank, medicine liquid can be transferred in various tanks by two groups of liquid separation control devices in a linkage manner, and operating devices are mounted on the left side of the waste liquid collecting tank. The sterile liquid dipping device has the advantagesthat the sterile liquid dipping device is novel in conception and ingenious in structure, various components are ingeniously matched with one another, accordingly, the medicine liquid in the medicineliquid tank is never in contact with the external in medicine liquid separation transfer and liquid dipping procedures, and medicine liquid contamination can be prevented.

The invention discloses a storage unit of a single polycrystalline nonvolatile storage. The storage unit comprises a control tube, a tunneling tube, a selecting tube and a floating gate, wherein the control tube is a PMOS (P-channel Metal Oxide Semiconductor) tube with a relatively large area and is used for coupling voltage on the control tube to the floating gate, an N well of the control tube is connected with a source electrode of the control tube, and a grid electrode of the control tube is connected with the floating gate; the tunneling tube is a PMOS tube which is not provided with a drain region or a source region, a polycrystalline part of a grid electrode of the tunneling tube covers an oxidation isolation tank, an N well of the tunneling tube is connected with a source electrode of the tunneling tube, and the grid electrode of the tunneling tube is connected with the floating gate; the selecting tube is a PMOS tube which is connected with the control tube in series, a source electrode of the selecting tube is connected with a drain electrode of the control tube, an N well of the selecting tube is connected with the N well and the source electrode of the control tube, and a grid electrode of the selecting tube is used for inputting a selection signal. The storage unit of the single polycrystalline nonvolatile storage is completely compatible with a standard CMOS (Complementary Metal Oxide Semiconductor) process and can be embedded into a standard CMOS integrated circuit, so as to greatly shorten the technology development cycle and reduce the engineering production cost.

The invention discloses a dielectric voltage-withstand automatic test device for a solar photovoltaic module. The dielectric voltage-withstand automatic test device comprises a dielectric voltage-withstand tester arranged in a sealed isolation tank, and a three-axis reforming mechanism for driving the solar photovoltaic module to move, wherein the dielectric voltage-withstand tester is provided with a contact probe; the three-axis reforming mechanism is provided with a positioning vehicle; the positioning vehicle comprises a bottom plate, a pair of longitudinal clamping plates, a pair of transverse clamping plates and a drive mechanism arranged on the bottom plate; the pair of longitudinal clamping plates and the pair of transverse clamping plates are arranged on the bottom plate; and thedrive mechanism is capable of driving the pair of longitudinal clamping plates and the pair of transverse clamping plates to clamp a product. According to the dielectric voltage-withstand automatic test device, the solar photovoltaic module is positioned on the positioning vehicle, the contact probe tests the solar photovoltaic module under the drive of the three-axis reforming mechanism, so thatthe danger of high-voltage electric shocks of testing personnel is avoided and the eligibility of the dielectric voltage resistance of the finished module is also ensured.

The invention discloses an extrusion-type nutrition ingredient extracting tank which comprises a tank body and a stirring device. The stirring device comprises a supporting frame, a motor, a stirring shaft and isolation tanks. The tank wall of each isolation tank is of a filter screen structure. The supporting frame is arranged at the top of the tank body. The motor is fixed to the supporting frame. The upper end of the stirring shaft is connected with the motor, and the lower end of the stirring shaft stretches into the tank body. The isolation tanks are located in the tank body and arranged on the stirring shaft. The isolation tanks are used for placing matter with nutrition ingredients extracted. The motor drives the stirring shaft to rotate, and the stirring shaft drives the isolation tanks. The isolation tanks rotate around the stirring shaft. The extrusion-type nutrition ingredient extracting tank further comprises handles, thread sleeves, screw rods and squeezing boards. The thread sleeves are fixed to the centers of the tops of the corresponding isolation tanks through connecting plates. The screw rods penetrate through the thread sleeves and are in threaded connection with the thread sleeves. The handles are connected with the upper ends of the corresponding screw rods. The squeezing boards are arranged in the corresponding isolation tanks and connected with the lower ends of the screw rods. The extrusion-type nutrition ingredient extracting tank has the characteristics of being capable of achieving feed liquid isolation and high in extraction efficiency.

The invention relates to an intelligent anti-explosion liquid gas storage tank which comprises a gas storage tank. A pipeline which is communicated with the interior of the gas storage tank is arranged on the top of the gas storage tank, a manual gate valve is arranged on the outer side of the top of the gas storage tank, and the manual gate valve is connected with the upper end of the pipeline in a communicated mode; The intelligent anti-explosion liquid gas storage tank is characterized by further comprising an anti-explosion isolation tank or case, the gas storage tank is arranged in the anti-explosion liquid tank or case, and a thermal insulating layer is arranged between the outer wall of the gas storage tank and the inner wall of the anti-explosion isolation tank or case. The intelligent anti-explosion liquid gas storage tank is simple in structure and convenient to make; due to the fact that the anti-explosion isolation tank or case is arranged, the liquid gas storage tank is arranged in the anti-explosion isolation tank or case, the thermal insulating layer is arranged between the anti-explosion isolation tank or case and the liquid gas storage tank, and therefore the situation that due to the fact that the outside is subjected to heating or pressing, the liquid gas storage tank is heated and pressed to be expanded to cause leakage and explosion can be avoided.

The invention discloses an oil collection device for kitchen wastewater. The oil collection device is characterized by being composed of an oil wiper and a rotating plate arranged in an oil isolation tank, the oil isolation tank is divided by a baffle into an oil-water separation chamber and a water outlet chamber with the lower portions communicated, a water inlet pipe of a mesh basket is arranged on the portion, on one side of the oil-water separation chamber, of a tank body, a water outlet pipe provided with a weir plate is arranged on the portion, on one side of the water outlet chamber, of the tank body, the rotating plate is arranged in the oil-water separation chamber through a rotating shaft, one end of the rotating shaft is connected with a motor arranged outside the tank body, the oil wiper is a U-shaped scraper with one end provided with an oil collection tank, the U-shaped scraper is arranged on the two sides of the rotating plate through a support, the outlet of the oil collection tank is formed outside the tank body, and the U-shaped wiper is fixedly connected with the support. Compared with the prior art, the oil collection device is novel in design, exquisite in structure, low in manufacturing cost, convenient to operate and high in oil, water and residue separation efficiency, the device maintenance is convenient, the operating cost is low, and the oil collection device is a device which is wide in application range, capable of saving energy and reducing emission and environmentally friendly.

The invention provides an integrated automobile leather guniting and drying machine, and belongs to the technical field of machines. The technical problems that a guniting machine in the prior art cannot evenly spray pigment on automobile leather, a drying device is not provided, manual drying is needed, the spraying effect is poor, and the production efficiency is low are solved. The integrated automobile leather guniting and drying machine comprises a rack, the rack is provided with a guniting device and a drying device, the guniting device comprises a water isolation tank, a first annular conveying belt and a storage barrel used for storing spraying materials, a top plate is arranged at the upper portion of the water isolation tank, a bottom plate is arranged at the lower portion of the water isolation tank, a rotary disc capable of rotating is arranged at the lower portion of the top plate and connected with a power mechanism capable of driving the rotary disc to rotate, a plurality of spraying pipes are evenly installed on the lower disc face of the rotary disc, sprayers are arranged at the lower portions of the spraying pipes, outlets of the sprayers face the first conveying belt, and the upper portions of the spraying pipes are communicated with a conveying pump and the storage barrel through a pipeline structure. The integrated automobile leather guniting and drying machine has the advantages of being good in spraying effect and high in production efficiency.

The invention discloses a double-layer water seal micro-water flushing anti-freezing toilet bowl. The invention relates to the technical field of sanitary ware. The toilet bowl comprises a toilet bowlshell, a seat ring, a urinal and a toilet bowl cover. The toilet bowl further comprises a gas isolation tank arranged below the urinal. A pressing turning plate for opening and sealing an opening ishinged to the opening in the lower end of the urinal, an automatic turning plate for opening and sealing the opening is hinged to the opening in the lower end of the gas isolation tank, and turned edges turned upwards are arranged on the edge of the pressing turning plate and the edge of the automatic turning plate. The toilet bowl further comprises a flushing system with water outlets formed in the side walls of the urinal and the gas isolation tank, water outlet heads for discharging water from two sides to form annular spraying are fixedly connected to the water outlets, and two water outlet heads are respectively and symmetrically arranged on the left side wall surface and the right side wall surface of the urinal. The gas isolation effect is improved, and odor is effectively isolated;the problem that use of the toilet is affected by freezing in winter is effectively solved; and an overturning mechanism does not make contact with excrement, the micro-water washing effect is achieved, pollution and corrosion of the overturning mechanism are prevented, and breeding of flies and insects is prevented.

The invention discloses a glass bracelet surface polishing and cleaning device which comprises a tank. A first motor is fixed to the top of the tank; an isolation tank is fixed to the inner bottom part of the tank; a second motor is fixed into the isolation tank; an annular slot and an installation slot are formed in the side wall of the tank; the annular slot is located above the installation slot; a rotary plate is fixed onto an output shaft of the second motor; the side edge of the rotary plate is located in the annular slot; support wheels are fixed to the bottom of the rotary plate; the bottoms of the support wheels make contact with the annular slot; and an isolation cylinder is fixed to the bottom of the rotary plate, and is located right above the isolation tank. According to the glass bracelet surface polishing and cleaning device provided by the invention, various glass beads can be separately isolated during polishing and cleaning, so that the collision times of the glass beads is reduced; and in addition, the glass beads roll when being polished, so that the surfaces of the glass beads are evenly polished, the polishing effect of the glass beads is improved, and the glass bracelet surface polishing and cleaning device has favorable practicability.

The present invention relates to a novel and effective oil and water separation oil isolation tank, which comprises an oil isolation tank body, wherein the oil isolation tank body is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is a U-shaped water inlet pipe, the other end of the water inlet pipe is connected with a filtration device, the right side of the filtration device is provided with a first separation plate and a second separation plate, the lower ends of the first separation plate and the second separation plate are respectively provided with a channel, the upper end of the second separation plate is further provided with an oil collection tank, the oil collection tank is provided with an oil outlet, the right side of the oil collection tank is a water collection chamber, the filtration device comprises a plurality of filtration screens arranged in an overlapping manner, an opening for replacing the filtration screen is arranged on the upper end of the filtration screen and on the body, the lower end of the water collection chamber is further provided with a precipitation region for precipitating impurities, the water outlet pipe is further provided with a filtration screen, and the bottom end of the water inlet pipe is slightly thicker than both sides of the water inlet pipe. The novel and effective oil and water separation oil isolation tank has characteristics of simple structure, easy operation, long service life, effective grease and suspended solid removing, impurity emission reducing, and effective environment protection.

The invention provides a treatment system of residues in a methyl isocyanate synthetic process. The treatment system comprises a residue isolation tank, a blending groove and a residue steaming tank, wherein the residue isolation tank is used for collecting a residue material generated after decomposition of methylaminoformyl chloride in the methyl isocyanate synthetic process, standing and layering to obtain a liquid-phase material on the upper layer and a sediment material on the lower layer; the blending groove is connected with the top of the residue isolation tank and is used for collecting the liquid-phase material on the upper layer for cyclic utilization; the residue steaming tank is connected with the bottom of the residue isolation tank, and is used for collecting the sediment material on the lower layer as well as steaming and filtering the sediment material to separate the residues. The invention further provides a treatment method of the residues in the methyl isocyanate synthetic process. According to the system and the method, the generated residues can be separated effectively, and the liquid-phase material can be continuously and cyclically utilized, so that the problem that the residues in the methyl isocyanate synthetic process are difficult to effectively clear in time, and the production efficiency is improved.

The invention provides an automobile leather guniting and drying device, and belongs to the technical field of machines. The technical problems that a guniting machine in the prior art cannot evenly spray pigment on automobile leather, a drying device is not provided, manual drying is needed, the spraying effect is poor, and the production efficiency is low are solved. The automobile leather guniting and drying device comprises a rack, the rack is provided with a guniting device and a drying device, the guniting device comprises a water isolation tank, a first annular conveying belt and a storage barrel used for storing spraying materials, a top plate is arranged at the upper portion of the water isolation tank, a bottom plate is arranged at the lower portion of the water isolation tank, a rotary disc capable of rotating is arranged at the lower portion of the top plate and connected with a power mechanism capable of driving the rotary disc to rotate, a plurality of spraying pipes are evenly installed on the lower disc face of the rotary disc, sprayers are arranged at the lower portions of the spraying pipes, outlets of the sprayers face the first conveying belt, and the upper portions of the spraying pipes are communicated with a conveying pump and the storage barrel through a pipeline structure. The integrated automobile leather guniting and drying device has the advantages of being good in spraying effect and high in production efficiency.

The invention belongs to the technical field of machine tool accessories, and particularly relates to a vacuum boiling cutting removing device used for removing cuttings of automobile engine cylinders and cylinder heads. According to the vacuum boiling cutting removing device, workpieces are connected with a workpiece cabin through a conveying mechanism, two ports of the workpiece cabin are connected with cabin door sealing mechanisms, and the workpiece cabin is connected with a vacuum generating mechanism. The vacuum generating mechanism comprises a vacuum pump which is connected with a sealed isolation tank through a pipeline, the sealed isolation tank is connected with the workpiece cabin through a workpiece cabin external pipeline, the pipeline is provided with an isolation tank air-exhaust internally piloted valve, and the workpiece cabin external pipeline is provided with a workpiece cabin air-exhaust internally piloted valve. A workpiece cabin air-injection internally piloted valve is arranged between the workpiece cabin air-exhaust internally piloted valve and the workpiece cabin. The sealed isolation tank connected with the sealed workpiece cabin is vacuumized, thin and small substances in the workpiece cabin are separated from the workpieces in a water boiling mode through the pressure difference and gathered to a low-pressure generating point, and therefore the purposes of removing cuttings is achieved, and the cutting removing effect on poor-openness potions or dead corner portions is good.

The invention discloses a method for producing marsh gas by using kitchen waste, and relates to the technical field of waste recycling treatment. The method specifically comprises the following steps:(1) feeding the kitchen waste collected by a collection truck into a storage bin, and sterilizing the kitchen waste at high pressure under the conditions of 135 DEG C and 0.4 MPa; (2) adding a kitchen waste oil-water mixed solution subjected to high-temperature sterilization treatment into a dewatering device to separate a solid phase from a liquid phase of the kitchen waste; (3) feeding the liquid phase separated in the step 2 into a heating oil isolation tank, stewing the liquid phase at 90 to 110 DEG C for 2 hours for layering, and extracting floating oil produced by layering; (4) feedingthe solid phase separated in the step 2 and sewage separated in the step 3 into an anaerobic digestion device for anaerobic digestion, thus obtaining the marsh gas and digestion liquid. According to the method disclosed by the invention, the kitchen waste is subjected to anaerobic fermentation to produce the marsh gas, so that the kitchen waste is effectively treated, and the obtained pure marsh gas can be provided for families in communities to use.

The invention discloses a mold provided with a rapid cooling function and applied to electric refrigerator plastic accessory production. The mold comprises a first mold, wherein hinges are fixedly connected with the top and the bottom of the left side of the first mold; a second mold is movably connected with the left side of the first mold through the hinges; and injection molding grooves are formed in the obverse sides of both the first mold and the second mold. The mold has the beneficial effects that through the arrangement and the cooperative use of isolation tanks, fixing rods, high-pressure pumps, water inlet pipes, water collecting buckets, first outlet pipes, second outlet pipes and spray heads, the problem that a conventional mold for electric refrigerator plastic accessory production is not provided with the rapid cooling function can be solved; the mold provided with the rapid cooling function and applied to electric refrigerator plastic accessory production has the advantage of rapid cooling; during the production process with the use of the mold, the rapid forming effect on a workpiece manufactured by adopting the mold can be achieved, the production efficiency of theworkpiece manufactured by adopting the mold can be improved, the serious impact on the production economy of a factory can be prevented, and the factory use and development can be facilitated; and accordingly, the mold is worthy of popularization and use.

The invention relates to a plug for closing and isolating a pipe (9) having an inner wall forming a substantially cylindrical cavity with a so-called first diameter, the plug comprising:a main body (110) having substantially a shape of a cylinder with a so-called second diameter, the second diameter being smaller than the first diameter to allow the plug to be inserted into the cavity; andsealing joint elements (120) that project around the side wall of the cylinder (110) defining the shape of the main body, so as to seal a free space formed between the main body (110) and the inner wall of the pipe (9),in which the main body (110) comprises several assembly elements forming the cylinder (110), each assembly element having a shape inscribed within a parallelepiped volume defined by three orthogonal dimensions, where at least two of the three dimensions have a length smaller than the second diameter, and the plug further comprising a position holding system comprising several non-slip pads (140; 340) deployable in order to assure a holding of the plug by compression, the set of non-slip pads forming an overall contact surface extending over at least half of the periphery of the section of the cylinder (110).

The invention discloses a water level controller comprising an external floating body, an internal floating body and an isolation tank. The external floating body and the internal floating body can rise or fall along with the change of the water level. The isolation tank is provided with an inlet water adjustment and control cavity. The cavity port of the inlet water adjustment and control cavity is downwardly arranged on the bottom surface of the isolation tank. The inlet water adjustment and control cavity is provided with a water inlet. The internal floating body is hinged in the inlet water adjustment and control cavity. The upper wall surface of the inlet water adjustment and control cavity is provided with an air hole. The external floating body is arranged above the air hole. When the water level falls to a set value, the external floating body plugs the air hole. When the water level rises to the set value, the hinged part of the internal floating body rotates so as to plug the water inlet. The effects that automatic water supplementing is performed when the water level is low and water intaking is automatically stopped when the water level is high can be realized without electric power so that the water level controller has the advantages of zero energy consumption, low fault rate and simple structure and can avoid production loss caused by instable power supply in the regions of instable power supply especially.

The invention relates to an organic sewage treatment method for a high-concentration culture farm. The organic sewage treatment method comprises the following steps of sending the wastewater of the culture farm into a centralized wastewater tank via a blowdown pipe to remove solid matters in the wastewater; then, sending into a three-level sand settling and slag isolation tank to remove fine particles in the wastewater, enabling the wastewater after separation of fine particles into a conditioning tank via high level difference, fermenting by a black membrane overtime anaerobic fermentation bag, enabling the wastewater to flow into the conditioning tank again via high level difference, enabling a lifting pump to send the wastewater into a biological A / O (anoxic and anaerobic) multiplying oxidizing tower to physically and chemically treat and denitrify, enabling the wastewater to flow into a secondary settling tank, and separating clean water and sludge of the wastewater in a solid and liquid separating way in the secondary settling tank; enabling activated sludge to flow back into the conditioning tank, and enabling the clean water to flow into a multifunctional oxidizing pond; enabling the multifunctional oxidizing pond to decompose, consume and absorb organic matters in clean water via aquatic creatures, and enabling the clean water to flow into a biological filter tank; and enabling the biological filter tank to isolate the suspensions. The organic sewage treatment method has the beneficial effects that the structure is simple, the processing is convenient, the efficiency is high, the energy-saving effect is realized, and the safety and reliability are realized.

The invention relates to a petrochemical industry wastewater treatment method with recyclable resources and a use device of the method and belongs to the technical field of petrochemical industry wastewater treatment. The use device comprises a settling pond, an oil isolation tank, an aerobic biological tank, an ozone tank and a purification tank. The method comprises the following steps: settlingdown petrochemical industry wastewater in the settling pond, settling down large impurities to the bottom of the settling pond, discharging the large impurities by using a screw rod, pumping settledwastewater into the oil isolation tank, isolating floating petroleum by using an oil isolation membrane, pumping out the petroleum by using a petroleum pumping tube, enabling the wastewater after petroleum isolation to flow into the aerobic biological tank, treating the wastewater by using aerobic biomass, decomposing and absorbing soluble organisms in the wastewater by microorganisms, pumping thewastewater treated by the microorganisms into the ozone tank, removing pollutants such as phenol and cyanogens in the wastewater and metal ions such as iron and manganese in the wastewater, decoloring sewage, pumping the water in the ozone tank into the purification tank, carrying out adsorption, filtration and purification by using biological activated carbon, and discharging the water.

The invention discloses a full-automatic grease impurity separation device for sanitary sewage. The full-automatic grease impurity separation device comprises a sanitary sewage inlet, a solid interceptor and two liquid level sensors, wherein the solid interceptor is connected with the sanitary sewage inlet and an isolation tank, sewage is adequately settled in the isolation tank and flows into anauxiliary isolation tank connected with the isolation tank, an auxiliary pump is connected to an outlet of the auxiliary isolation tank and is used for guiding sewage into the solid interceptor for secondary separation, grease is separated from the sewage and flows into a sanitary sewage pipeline through an outlet, and aeration chambers are arranged in the isolation tank and the auxiliary isolation tank; and the two liquid level sensors are used for detecting the liquid levels of the grease in the isolation tank and the auxiliary isolation tank and discharging the accumulated grease at properliquid levels.