237results about How to "Lower the liquid level" patented technology

A fluid level sensor is disclosed having first and second vertically and horizontally nonoverlapping electrode plates for placing on a wall of a fluid container. Most preferably, the plates are also vertically spaced from each other. The capacitor plates are driven by a high frequency square wave. By forming nonoverlapping plates and driving them using a high frequency, the level of a fluid within the container, particularly viscous fluid, is more accurately detected. Control and detection circuitry is also disclosed to trigger an alarm if the fluid level drops below a critical level within the container.

A fluid level controlled pumping system includes a pumping unit disposed within a fluid cavity. The pumping unit includes an inlet operable to receive a fluid to be pumped from the fluid cavity. The system also includes a valve slidably coupled to the pumping unit. The valve includes a passage for receiving pumped fluid from an outlet of the pumping unit. In response to a decreasing fluid level within the fluid cavity, movement of the valve relative to the pumping unit aligns the passage with a port of the pumping unit to recirculate the pumped fluid from the outlet to the inlet.

The invention provides a refrigerant quantity control device, a refrigerant quantity control method and an air conditioner unit with the control device. The refrigerant quantity control device comprises a refrigerant transfer tank which is provided with a liquid inlet, and the liquid inlet is communicated with an air-liquid separator of the air conditioner unit through a liquid inlet valve. The air conditioner unit is provided with the refrigerant quantity control device. The refrigerant quantity control method includes: opening the liquid inlet valve, and transferring refrigerants in the air-liquid separator to the refrigerant transfer tank; and opening a pressure balancing valve and leading a pressure balancing opening of the refrigerant transfer tank to be communicated with an inlet of the air-liquid separator. By transferring the low-pressure refrigerants of the air-liquid separator to the refrigerant transfer tank through the liquid inlet valve, the level of the liquid refrigerants in the air-liquid separator is lowered, state control on middle transition containers including the air-liquid separator and the refrigerant transfer tank can be achieved, and accordingly safety of operation of the air conditioner unit and effectiveness of the refrigerant circulating quantity can be ensured.

The invention relates to a combination machine for open width oil removal, moist heat relaxation and pre-shrinking water rinse, which is applicable to the open width oil removal, pre-shrinking and refining water rinse processes of knitting, urethane elastic fiber, terylene, chinlon and combined fiber fabrics. The combination machine comprises an open width cloth feeding bracket (1), a double-oscillation water rinse tank (2), single rotating drum rinsing machines (3), a two-roll heavy padder (4) and an open width doffing cloth bracket (5) in turn from the front to back, wherein the number of the single rotating drum rinsing machines (3) is at least two groups, and an internal two-roll padder II (7) is arranged between adjacent two groups of single rotating drum rinsing machines (3). The combination machine is characterized in that: each group of single rotating drum rinsing machine (3) comprises a tank body II (3.1), a sink II (3.9), two guide rails (3.10), two water baffles (3.11), a netlike rotating drum II (3.2), a suspended tensioning rack (3.3) and a spraying pipe II (3.5); and the front of a rolling point of a roller (3.8) of the internal two-roll padder II is provided with positive and negative strippers (3.6). The combination machine can realize low-tension cloth delivery, and efficient cloth spread and edge toggle. Therefore, the combination machine can be applied to the fabrics with large elasticity.

A fuel storage device includes a fuel tank that stores liquid fuel which is fed through a fill opening of a vehicle. The fuel tank includes a tank case and a separating film. The tank case has a projecting shape in section and defines a two-tiered upper-lower fuel storage chamber in a state where the fuel tank is disposed in the vehicle. The separating film is deformable in the tank case and has impermeability against liquid fuel in the fuel storage chamber. The fuel storage chamber includes a primary fuel storage chamber and a secondary fuel storage chamber. The primary chamber is surrounded partly with the separating film and communicates with the fill opening. The secondary chamber projects toward an upper side of the primary chamber in the state where the fuel tank is disposed in the vehicle and communicates with the fill opening only via the primary chamber.

The invention relates to a quantitative sample and dilution analysis device, which comprises a quantitative sampling device, a reaction tank, a dilution water pipeline, a siphon pipeline, a floating-ball liquid-level sensor and a pumping pipeline, wherein the quantitative sampling device causes a water sample to be injected into an outer pipe, and causes the water level to be higher than an inner pipe sleeved inside the outer pipe; therefore, the water sample of the outer pipe can be discharged, so as to obtain the quantitative water sample; the dilution water pipeline provides dilution water for entering the reaction tank; after the water supply of the dilution water pipeline is stopped, the liquid level of the dilution water is reduced to a predetermined height position through the siphonage effect of the siphon pipeline, so as to provide quantitative dilution water, to dispose the height of the floating-ball liquid-level sensor, and to confirm that a fixed volume of dilution water is provided. Therefore, the quantitative water sample is added in the dilution water to be analyzed.

The invention discloses equipment for metal heat treatment and quenching, and belongs to the technical field of metal heat treatment. The equipment comprises a device base; a driving box and a plurality of quenching pools are fixedly connected to the top of the device base; a rotating shaft is rotationally connected onto the inner wall at the bottom of the driving box; a supporting disc is fixedlyconnected to the top end of the rotating shaft; a cushion block is fixedly connected to the top end of the supporting disc; and a lifting driving motor is fixedly connected to the top end of the cushion block. The multiple quenching pools are arranged, and during the continuous quenching process, a tool is sequentially rotationally quenched in the multiple quenching pools, so that quenching liquid in each quenching pool has time to cool down, thereby preventing the temperature of the quenching liquid from affecting the quenching effect, and improving the production quality; and during the quenching process, the quenching pool can be automatically supplemented with water, thereby preventing the change of the concentration of the quenching liquid from affecting the quenching effect, and further improving the production quality.

The embodiment of the invention provides a server cabinet and a server cabinet group. The server cabinet comprises a cabinet body, a liquid-cooling tank arranged in the cabinet body and a liquid levelregulating mechanism, wherein the liquid level regulating mechanism comprises a liquid storage tank and a liquid level sensor, the liquid level sensor is used for detecting a liquid level height in the liquid-cooling tank; and the liquid storage tank is used for injecting a cooling liquid in the liquid storage tank into the liquid-cooling tank when the liquid level height in the liquid-cooling tank is not greater than a first liquid level height, and injecting the cooling liquid in the liquid-cooling tank into the liquid storage tank when the liquid level height in the liquid-cooling tank isnot smaller than a second liquid level height. The liquid level regulating mechanism is arranged in the server cabinet, so that the server cabinet can dynamically regulate the liquid level height of the cooling liquid in the liquid-cooling tank. Therefore, the problem of time and energy waste caused by manual injection or discharge of the cooling liquid in the cabinet in the prior art can be solved, the liquid level height in the liquid-cooling tank can be always kept within a liquid level range, and normal operation of the server cabinet is ensured.

A vehicle motive power transmission apparatus includes: a planetary gear device (4); an oil pump (7) for sucking oil present in an apparatus case (1a); a one-way clutch (8) that transmits normal-direction rotation output of the planetary gear device to the oil pump, but does not transmit reverse-direction rotation output of the planetary gear device to the oil pump; an oil tank (25) which is provided in the apparatus case, and which is provided with a first introduction portion that receives oil that is splashed upward as a gear in the apparatus case rotates in a normal direction, and a second introduction portion that receives oil that is splashed upward as the gear rotates in a reverse direction; and an oil passageway (20) that supplies the planetary gear device with oil present in the oil tank or oil sucked by the oil pump.

The present invention provides a brake fluid storage device for a vehicle and an auxiliary tank used in the storage device. The storage device can improve maintainability when the brake fluid is replenished, etc., and can also be reliably used when the vehicle is tilted. The brake fluid level in the auxiliary tank is suppressed from falling. A main tank (25) having a brake fluid injection port (28) at the top and an auxiliary tank (26) having communication ports (35a, 35b) with the master cylinder (11) are connected by pipes (27). Make the connection port (34) of the main tank (25) side of the auxiliary tank (26) extend into the tank body (26a), and arrange the opening end (40) of the connection port (34) on the pipe (27) from The auxiliary tank (26) is positioned farther from the main tank (25) than the conduction port (35a) toward the main extension direction of the main tank (25).

A centrifugal separator comprises a bowl rotating in use around an axis of rotation. The axis of rotation extends in a longitudinal direction, and a radial direction extends perpendicular to the longitudinal direction. A base plate provided at one longitudinal end of the bowl, said base plate having an internal and external side, an outlet opening being provided in the base plate. A casing is projecting at the outlet opening on the external side of said base plate, said casing comprising a casing side, a normal to said casing side extending at an acute angle relative to a circumferential direction of the bowl at said casing and a discharge opening is provided in said casing side. The discharge opening is radially outwardly limited by a weir with an overflow edge and said discharge opening extending radially inwardly to a position above a highest intended level of liquid in the bowl.

The invention relates to a cryolite separating arrangement, which comprises a tank for putting the cryolite and the liquid mixture material, wherein the top of the tank is equipped with the surface agitator for making the liquid surface rotate, the surface agitator is the bifurcation shape, the tank is also equipped with the hollow cryolite collecting pipe, the cryolite collecting port of the cryolite collecting pipe is at the central position of the liquid surface rotating, and the discharge port of the cryolite vents to the exterior of the tank. The invention makes the cryolite move to the liquid surface rotating center of the cryolite collecting port naturally with the cryolite buoyance and centripetal force produced by mixing the liquid surface and discharge by the cryolite collecting pipe (that is also the center or centripetal discharging cryolite method), which not only saves the energy and improves the separation efficient, but also reduces the loss of solute and is fit for the concentration industry production by freezing.

The invention discloses a refrigeration system, a refrigerator with the refrigeration system and a control method of the refrigerator. The refrigeration system comprises a compressor, a condenser, a throttling component, a flash generator, an evaporator, a one-way valve and an air return heat exchanger which are sequentially connected to form a closed loop; a refrigerating fluid is arranged and isused for circularly refrigerating in the closed loop; an electric flow regulating valve is arranged and is provided with an inlet and an outlet, the inlet is connected with the flash generator, and the outlet is connected with the one-way valve and the air return heat exchanger; and a control panel is arranged, is connected with the electric flow regulating valve and is used for controlling the opening degree of the electric flow regulating valve. In addition, the invention further provides the refrigerator with the refrigeration system and the control method of the refrigerator. According tothe refrigeration system, the refrigerator and the control method, the gas-liquid separation effect of a refrigerant through the flash evaporator is achieved, so that a refrigerant liquid is suppliedto the evaporator, refrigerant gas is guided to an air suction port of the compressor, and therefore high-efficiency operation of the refrigerating system is realized, and finally the requirement forthe energy-saving operation of the refrigerator is met.

The invention provides a gearbox lubricating oil liquid level adjusting and controlling system and an adjusting and controlling method thereof. The side face of a bottom lubricating oil storing bin ofa gearbox shell is provided with a communicating containing cavity; the adjusting and controlling system is installed in the containing cavity; a lifting device is formed in a manner that a driving motor and a lead screw are coaxially connected; an oil discharging device is formed in a manner that a floating cavity, a guiding sleeve and a threaded long sleeve are fixedly connected; the floating cavity is in sliding connection with a supporting and guiding assembly through the guiding sleeve, and is in threaded connection with the lifting device through the threaded long sleeve; under drivingby the lifting device, the floating cavity performs lifting movement in the containing cavity along the supporting and guiding assembly, and therefore the liquid level height of lubricating oil in thecontaining cavity is controlled; a control assembly is composed of a controller and a vehicle state sensor in a signal connection manner; and the adjusting and controlling method comprises an adjusting and controlling method for increasing and decreasing the liquid level height of the lubricating oil. According to the gearbox lubricating oil liquid level adjusting and controlling system and the adjusting and controlling method thereof, the amount of the lubricating oil needed by each part is determined according to the specific work state of a gearbox, the liquid level of the lubricating oilis controlled at the position of optimal height, the oil stirring loss is reduced, and the overall transmission efficiency of the gearbox is improved.

The invention relates to a water and refrigerant heat exchanger with evaporative heat exchange and condensing heat exchange functions, which relates to a water and refrigerant heat exchanger. The water and refrigerant heat exchanger with evaporative heat exchange and condensing heat exchange functions provided by the invention solves the problem that the heat exchange area utilization ratio in an operating process of an evaporative-condensing dual purpose heat exchanger in current heat pump system is low, the heat exchange effect is poorer, and the heat exchange amounts in evaporative and condensing work conditions differ greatly. A first tube cavity and a second tube cavity are arranged at the left and right ends of a tube body. A medium water inlet and a medium water outlet are arranged in the first tube cavity or the second tube cavity. A refrigerant inlet and a first gas refrigerant orifice are arranged at the upper end of the tube body. A liquid refrigerant orifice is arranged at the lower end of the tube body. A plurality of heat exchange tubes are arranged in the tube body in parallel from top to bottom. A first falling film absorber is arranged on a lower end opening of the refrigerant inlet in the tube body. A first separator is arranged in the middle of the tube body to divide the inner part of the tube body into upper and lower cavities. When the heat exchanger is used as an evaporator, the upper cavity is evaporated by a falling film and the lower cavity is evaporated by hydraulic filling. The water and refrigerant heat exchanger with the evaporative heat exchange and condensing heat exchange functions provided by the invention is used as an evaporative-condensing dual purpose heat exchanger in a heat pump system.

The invention provides a multistage spillage preventing device of a soybean milk maker. The multistage spillage preventing device comprises an upgoing channel, a diversion and guiding channel, a spillage preventing arch, a smooth cup wall pressure release rail and an air overflow outlet. The upgoing channel is vertically arranged in a milk boiling cup, a bottom opening is a soybean milk upgoing inlet, the top of the upgoing channel is connected with the diversion and guiding channel, a grinding bit of the soybean milk maker is arranged in the upgoing channel, the diversion and guiding channel is of transversely arranged annular structure, and a plurality of air and liquid spraying holes are distributed at the bottom of the outer end of the diversion and guiding channel. The spillage preventing arch is arranged above the diversion and guiding channel and the outer edge of the spillage preventing arch can be slidably arranged on the smooth cup wall pressure release rail. The air overflow outlet is arranged on the cup wall of the milk boiling cup above the spillage preventing arch. The multistage spillage preventing device can continuously heat by slow fire, size of the soybean milk maker is not increased and energy resource utilization rate is increased.

A method is disclosed to test for a proper functioning of a selective catalytic reduction system of an internal combustion engine. A selective catalytic reduction system includes a catalyst disposed in an exhaust pipe of the engine, an injector disposed in the exhaust pipe upstream of the catalyst for injecting a reducing agent, a pump for providing the reducing agent from a tank to the injector via a supply conduit and a pressure sensor for measuring a pressure within the supply conduit. The engine is operated at idle speed and a functionality check of the pressure sensor is executed. The engine is operated to increase an exhaust gas temperature in the exhaust pipe upstream of the catalyst and a functionality check of the pump is executed. A functionality check of the injector is executed after the functionality check of the pump and once the exhaust gas temperature has reached a predetermined target value thereof. A functionality check of the supply conduit is executed after the functionality check of the injector. The selective catalytic reduction system is identified as functioning properly when all of the functionality checks yields a positive result or malfunctioning when any one of the functionality checks yields a negative result.

The invention discloses a slag blocking sprue for casting, which is high in manufacturing efficiency, can not cause waste of iron liquor, does not need additional fixed devices and can not lose the slag-blocking action in casting. The slag blocking sprue comprises a sprue main body (1), wherein the bottom part of the sprue main body (1) is provided with a groove which is arranged along the width direction of the sprue main body (1); a baffle part (7) which is integrated with the sprue main body (1) is arranged above the bottom part of the groove; at least one flowing unit (8) is buried between the baffle part (7) and the bottom part of the groove; all the flowing units (8) are provided with flowing holes (11) for communicating a first flow guiding groove (9) and a second flow guiding groove (10); the adjacent flowing units (8) are attached or a gap for flowing of the iron liquid is arranged between the adjacent flowing units (8); and the flowing units (8) are used for controlling the flowing rate of the iron liquid from the first flow guiding groove (9) to the second flow guiding groove (10).

A heat exchanger (10) for exchanging heat between a refrigerant that experiences a phase change during heat exchange and another heating medium, wherein the heat exchanger (10) is provided with a refrigerant header (50), a plurality of flat multi-hole tubes (40), and a plurality of flat tubes (20). The refrigerant header (50) has the refrigerant flowing through the interior thereof. The flat multi-hole tubes (40) extend in a direction that intersects the longitudinal direction of the refrigerant header (50). The flat multi-hole tubes (40) have formed in the interior thereof a plurality of refrigerant flow paths through which the refrigerant flows. The flat tubes (20) are stacked alternately with the plurality of multi-hole tubes (40). The flat tubes (20) have the other heating medium flowing through the interior thereof. Furthermore, the refrigerant header (50) is disposed so as to extend along the horizontal direction.

The height H of a liquid level, a capillary gap distance T, and a relative scanning speed between a coating nozzle 22 and a surface 10a, which is to be coated, are adjusted within an adjustable range by simultaneously setting the thickness of a coating film 21a formed of a resist agent at a predetermined value. Thus, a coating gap G is widen.

The invention discloses modular design integrated sewage treatment equipment. The equipment comprises a sewage tank, a treatment box, a dosing mechanism, a clear water tank, a precipitation tank and astanding tank, according to the modular design integrated sewage treatment equipment, sewage is treated after a flocculating agent is dissolved into a solution, so that the sewage is more fully dispersed and better in flocculation effect compared with the mode that the flocculating agent is directly added, and the sewage treatment effect is good through three times of flocculation treatment in afirst-stage flocculation chamber, a second-stage flocculation chamber and the standing tank; when flocculation is carried out in the first-stage flocculation chamber and the second-stage flocculationchamber, obtained flocculate precipitates are pumped out through a precipitation outlet I and a precipitation outlet II by virtue of a third conveying pump and are conveyed into the precipitation tank, so that the liquid level is reduced while the precipitates are reduced, and the sewage has enough time to be subjected to standing separation in the first-stage flocculation chamber and the second-stage flocculation chamber; impurities and flocculates in the sewage entering the next step are few, and the sewage treatment effect is further improved.

Methods for transporting containers filled with fluid, preferably for transporting containers filled with fluid which have a flexible base, comprising lowering the fluid level of the fluid in the filled container, and transporting the container with a lowered fluid level and systems thereof.

The invention discloses a device for preparing a membrane by the liquid level sedimentation method. The device comprises a container, a heating plate, a liquid storage device and a pipeline, wherein the container adopts a square flat structure and is provided with a liquid inlet; the container is communicated with the liquid storage device through the liquid inlet via the pipeline; and the container is also provided with the heating plate, and the heating plate corresponds to the position of a substrate arranged in the container and used for placing the membrane, and is used for drying and annealing the membrane. The device has simple structure; because the container with the square flat structure is adopted, the liquid consumption is reduced, and the cost of preparing the membrane is effectively lowered; by controlling the sedimentation of the liquid level, the membrane can be conveniently prepared, and the substrate does not need to be moved; and the device can be inclined in any angle, the one-time filming thickness is controllable, and the time for preparing the membrane is shortened.

The invention relates to an emulsified liquid treatment method which comprises the following steps: a, demulsification: heating and stirring an emulsified liquid, and adding a demulsifier into the emulsified liquid at the same time to separate oil from water in the emulsified liquid; b, oil removal: removing floating oil floating on the liquid level of the emulsified liquid; c, performing iron-carbon electrolysis; d, flocculation pretreatment: adding metal ions into the waste liquid to increase the concentration of metal ions in the waste liquid; e, precipitation: adding hydroxide base into the waste liquid and stirring to form water-insoluble metal hydroxide precipitate in the waste liquid; f, flocculation: adding PAM to the waste liquid so as to make the metal hydroxide and the PAM to beconnected to form coarse floccules; and g, filtering: making the wastewater pass through a filter to filter out floccules in the wastewater and remove metal ions in the wastewater. The method has theadvantages that the process is simple, metal ions can be removed, and environmental pollution is reduced.

The invention relates to an air pressure stabilizing device applied to an airtight circulation cooling system. The device is characterized by comprising an air compressor, a first solenoid valve, a second solenoid valve, a check valve, a pressure transmitter, a manual vent valve, a safety valve, a liquidometer and a buffer tank, wherein an air outlet of the air compressor communicates with an inlet of the first solenoid valve and an inlet of the second solenoid valve simultaneously, an outlet of the second solenoid valve communicates with an inlet of the check valve, an outlet of the check valve, the pressure transmitter, the manual vent valve and the safety valve all communicates with the buffer tank, the liquidometer which communicates with the buffer tank is arranged on the buffer tank,and the buffer tank is provided with a water inlet and a water outlet. According to the device, the airtight circulation cooling system is subject to pressure stabilization through air, the problem that nitrogen is consumed in system running and requires frequent replacement is solved, the adaptability of the airtight circulation cooling system in a region, where nitrogen transport is difficult,is improved, and the application rang of the system is expanded.

The invention relates to the technical field of food production and processing, in particular to an odd taste broad bean deep-frying device. The device comprises a heater and a vacuum pump, wherein a heating tank is arranged in the heater, a sealing cap is installed on the heating tank, a liner is installed in the heating tank, a cavity is reserved between the liner and heating tank, and a plurality of oil holes are formed in the liner; the two sides of the heating tank are both provided with a piston cylinder communicated with the cavity, pistons are installed in the piston cylinders, the pistons are connected to hollow piston rods in a hinged mode, the piston rods hinged to the sealing cover and one piston rod is communicated with an air inlet pipe provided with a relief valve, and the other piston rod is communicated with an air intake pipe; the open end of the air intake pipe is connected to the vacuum pump, a deep-frying drum is installed in the liner, fan blades are installed inside the deep-frying drum, oil-immersion holes are formed in the deep-frying drum, the two ends of the deep-frying drum are connected to tube shafts respectively, and the tube shafts are communicated with the piston rods respectively. According to the scheme, flowing air is guaranteed in the device in the vacuumizing process, accordingly the temperature of the colza oil is lowered, and oil fume generated in the device is brought away by the flowing air.

The invention discloses a dense medium density adjusting system for coal dressing, and belongs to the technical field of coal. The dense medium density adjusting system comprises a medium preparation system, a medium storage container, a medium mixing container and magnetic separation equipment, the medium preparation system comprises a guiding structure, a flushing mechanism and a containing groove, the guide structure comprises a containing area for containing a medium powder pile, the flushing mechanism flushes water to the medium powder pile in the guiding direction of the guiding structure, and the containing groove is formed in the end of the guiding structure in the guiding direction of the guiding structure. The inlet end of the magnetic separation equipment communicates with the containing groove through a first channel, the outlet end of the magnetic separation equipment communicates with the medium storage container, and the first channel is provided with a first control valve. The medium mixing container is communicated with the medium storage container through a second passage, and the second passage is provided with a second control valve; and the medium mixing container is communicated with the inlet end of the magnetic separation equipment through a third passage, and the third passage is provided with a third control valve. According to the technical scheme, manual medium storage and medium adding are not needed, the labor intensity is reduced, the medium returning function is added, and the suspension density and liquid level can be effectively reduced by combining water replenishing.

The invention relates to the technical field of paving and airing of paris polyphylla, and discloses a processing treatment device for the paris polyphylla. The device comprises a groove body, whereina concave cavity is formed in the groove body, a double-head lead screw is rotationally connected to the groove body, the double-head lead screw penetrates through the concave cavity, moreover, the two ends of the double-head lead screw are fixedly connected with fan wheels respectively, and the double-head lead screw is sleeved with a main sliding sleeve and an auxiliary sliding sleeve; an air bag is arranged in the concave cavity, and the air bag is located between the main sliding sleeve and the auxiliary sliding sleeve; a hollow stand column is arranged in the groove main body of the groove body, wherein a hose and a heavy block are arranged in the hollow stand column, the hose communicates with the air bag, and the heavy block is located above the hose; and a frame body is connectedto the groove body, a protective plate and rotating wheels are installed on the frame body, a plurality of strip-shaped holes are formed in the protective plate, a baffle is rotationally connected ineach strip-shaped hole, through holes are formed in the baffles, pull ropes are wound on the rotating wheels, and the free ends of the pull ropes sequentially penetrate through the through holes in the baffles and are connected to the heavy block. According to the device, the paris polyphylla can be automatically isolated and protected during wind blowing and raining, so that the paris polyphyllais prevented from being damaged due to wind and rain.