158results about How to "Realize automatic drainage" patented technology

The invention provides an outdoor display device of ideologies and politics. The device comprises a base, a groove formed in the base, a display mechanism arranged in the groove, a retracting mechanism arranged between the display mechanism and the groove for lifting the displaying mechanism in the groove, and a water drainage mechanism arranged at the periphery wall of the groove. According to the outdoor display device of ideologies and politics, the lifting mode is used for administering self-protection measures during the occurrence of severe convection weather to retract the device into the groove to lower the height. At the same time, a sealed display structure is used for preventing the phenomenon that stagnant water enters the display mechanism, and combined with the inclined ring groove and the ring water seal, the display mechanism can not only retract freely in the groove, but also achieve the automatic water drainage. An emergency protection mechanism is used for implementing further self-protection during the occurrence of severe convection weather to guarantee that the device can achieve intelligent and automatic control after being inducted for once, the personnel maintenance is reduced, and reconstruction investment for the damages caused by the severe convection weather can be lowered.

A multifunctional automatic adjuster comprises an air and water separator, a positive and negative pressure protector, an air pipe and a methane pipe. The methane pipe comprises a left methane branch and a right methane branch, one ends of the left methane branch and the right methane branch are communicated with a methane area in a fermenting tank, the other ends of the left methane branch and the right methane branch extend into the positive and negative pressure protector and the air and water separator, one end of the air pipe is communicated with a pressurizing fan, the other end of the air pipe extends into the positive and negative pressure protector, the top of the positive and negative pressure protector is provided with an exhaust port, a water inlet pipe is arranged on the sidewall of the positive and negative pressure protector close to the top, a water outlet is arranged at the position of the positive and negative pressure protector near the bottom, the other end of thewater outlet is communicated with a straight discharge valve, and a plurality of water level pressure adjusting valves connected in parallel are arranged between the straight discharge valve and the water inlet pipe vertically. The multifunctional automatic adjuster is fine in energy saving and high in automaticity and has multiple functions of automatic air and water separation, automatic water discharge and replenishment, automatic air exhaust, synchronous methane leakage waste prevention, negative pressure protection, automatic constant pressure keeping and the like.

A pneumatic pump control device comprises an air supply pipeline (1) and a control pipeline (7), wherein the air supply pipeline (1) and the control pipeline (7) are connected in parallel. The air supply pipeline (1) is provided with an air supply pneumatic control valve (3). An outlet of the control pipeline (7) is communicated with a control air inlet of the air supply pneumatic control valve (3). A liquid level control pipeline communicated with a water storage pool (16) is arranged on the control pipeline (7). The liquid level control pipeline comprises a low-liquid-level pneumatic control pipeline body and a high-liquid-level pneumatic control pipeline body. When the liquid level reaches a high liquid level, the high-liquid-level pneumatic control pipeline body and the low-liquid-level pneumatic control pipeline body are closed at the same time, and the air supply pneumatic control valve (3) is opened; when the liquid level reaches a low liquid level, the high-liquid-level pneumatic control pipeline body and the low-liquid-level pneumatic control pipeline body are used for exhausting air at the same time, and the air supply pneumatic control valve (3) is closed. Compressed air of a pneumatic pump is used as a power source of the control pipeline, operation is safe and reliable, and maintenance is not needed. The service life of the pneumatic pump control device is prolonged, and air sources are saved.

The invention provides an oil field single-well metering device and method. The oil field single-well metering device comprises a metering tank and an energy-storage tank which mutually communicate. Gas with the preset pressure is stored in the energy-storage tank, and a liquid inlet pipeline, a liquid level meter, a liquid outlet pipeline and a weighing module are arranged on the metering tank. An inlet valve is arranged on the liquid inlet pipeline, and an outlet control valve is arranged on the liquid outlet pipeline. A piston for cleaning the metering tank is further arranged in the metering tank, and the bottom of the metering tank is connected with a cleaning device which is used for injecting cleaning liquid in the metering tank. Through all embodiments of the oil field single-wellmetering device and method, the structure is simple, operation is convenient, oil field single-well metering is achieved under the situation that additional power is not needed, and the accuracy of the single-well metering result is improved.

The invention relates to an automatic water draining valve for locomotives, which is a water draining and pollution discharging device for railway locomotives and is composed of two parts such as a water draining valve and a heating rod; the automatic water draining valve is a water draining valve characterized by high capacity and two-stage action mode; the automatic water draining valve is driven by compressed air in a pipeline as control air source when an air compressor is unloaded; water drainage and pollution discharge are carried out by the control air source; the automatic water draining valve is provided with a flange-shaped mounting bracket and is mounted on the bottom part of an air cylinder conveniently or is mounted on the bottom part of an air filter; a temperature-controlled heating rod is arranged; and a heating valve body is started automatically below 4 degrees centigrade so as to prevent condensed water in the water draining valve from being frozen at low temperature environment. According to the invention, the automatic water draining valve aims to discharge pollutant liquid such as condensed water, oil and the like out of a locomotive air cylinder or the air filter; in addition, the automatic water draining valve is an important component for purifying compressed air or ensuring compressed air to be dried in air pipelines systems on the railway locomotives, internal combustion locomotives, urban rail vehicle and subways.

The invention relates to the technical field of chemical spraying equipment for municipal road green belts, in particular to a lever principle-based chemical spraying vehicle for municipal road greenbelts. A servo motor is utilized to drive a cam to rotate, a pressure plate is raised and lowered under the action of the cam and a first-type spring so that a rocker forms a lever and swings, and a No. 1 clamping block is matched with a No. 1 chute so as to move a piston rod up and down, so that a piston plate is driven to move up and down; through cooperation of a chemical suction pipe and a one-way valve of a chemical discharge tank, a chemical liquid is discharged into a spray head, and automatic pumping and discharge of the chemical liquid are achieved; a take-up component is also arranged, a No. 2 gear rack is driven to move through swing of the rocker, and the No. 2 gear rack can move up and down through guidance of a No. 3 slider and a No. 3 slide rail, so that a driven gear performs periodic rotation forward and reversely; and a take-up reel is driven to rotate forward and reversely by a rotating shaft, and corresponding to a take-up line, the spray head is driven to reciprocate.

The invention discloses a pressure retaining valve with an automatic water-drain pollution-discharge function. The pressure retaining valve comprises a valve body, a valve chamber, a plug at the bottom end of the valve body, and a valve rod, wherein an inlet connection head is arranged at the top end of the valve chamber, an end seal is arranged between an inlet and the inlet connection head, and the inlet is communicated with the valve chamber; the lower end of the valve rod penetrates through a guide hole in the center of the plug, and a seal disc is arranged at the upper end of the valve rod and corresponds to the inlet; the seal disc is larger than the inlet and is smaller than the inner diameter of the inlet connection head and plays a role of opening and closing the inlet, and a pressure spring is sheathed on the valve rod between the seal disc and the plug; and a discharge port through which the valve chamber is communicated with the outside is formed in the plug. A connection thread is arranged on the outer side of the inlet connection head, and the valve rod is a rubber-vulcanized rod. A rubber sealing layer is arranged on the sealing surface of the upper end of the seal disc on the upper end of the valve rod, and the plug is in threaded connection with the valve body. A hexagonal adjustable head is arranged at the lower end of the plug. The pressure retaining valve can effectively replace the functions of original water drain valves and unloading valves, can realize automatic water drain and pollution discharge of energy storage devices, and reduces the damage effect of hot and humid air sources on the whole system.

The invention relates to a dehumidifier capable of automatically draining. The dehumidifier includes a base, a limiting sliding block, a dehumidifier body, a water tank, a water outlet pipe, a draining mechanism, a control mechanism and an alarm mechanism, a sliding groove is formed in the middle of the inner side wall of the base, the limiting sliding block is mounted in the sliding groove through a sliding matching mode, the dehumidifier body is mounted on the right side face of the limiting sliding block, and a recovery button of the draining mechanism is mounted on the upper end face of the dehumidifier body; and the water tank is mounted at the lower end of the interior of the dehumidifier body, the water outlet pipe is arranged on the lower end face of the water tank, and the draining mechanism is mounted in the middle of the lower end face of the interior of the base. The dehumidifier capable of automatically draining can solve the problems that the water of the dehumidifier isoverflowed, the work of other parts is affected, the service life of the dehumidifier is shortened, the work of the dehumidifier is stopped after water full, the water cannot be automatically drained,the work efficiency of the dehumidifier is reduced, and the bad product experience is brought to the user, can realize the function of the automatic drainage of the dehumidifier, and have the advantages of the automatic drainage, water full alarm, high productivity and long service life.

The invention discloses a nuclear island temporary pit automatic drainage system and drainage method. The system comprises a temporary pit used for accommodating wastewater in a system, a float-type liquidometer used for collecting water-level signals at different heights in the temporary pit, a submersible pump used for pumping out water in the temporary pit, an electronic control unit which is used for receiving the water-level signals at different heights in the temporary pit, performing judgment according to different water levels, sending out start and stop signals of the submersible pump and automatically opening or closing each corresponding submersible pump, and a pipeline assembly which is used for gathering water in the pit and draining out of a safe workshop. The float-type liquidometer and the electronic control unit are arranged on the temporary pit to solve the problem that the submersible pump cannot be started or stopped in time due to not timely response in the prior art, and the nuclear island temporary pit automatic drainage system and drainage method can be used for effectively improving the drainage efficiency and drainage quality, reducing the equipment damage rate, improving the safety coefficient and reducing the use cost.

The invention relates to the field of medical instrument, and discloses an automatic sample transfer transmission system, which solves the problem of easy infection of artificial cut of blood bag sample braid on operators. The automatic sample transfer transmission system comprises a support, a test tube material-feeding apparatus used for automatic feeding to a test tube arranged at the support,a test tube labeling apparatus used for pasting labels on the test tube, a test tube conveyer used for conveying the test tube, a test tube apocenosis apparatus used for automatic apocenosis of the test tube, and a test tube retrieving device used for automatic recovery of the test tube; The test tube material-feeding apparatus is used for automatic feeding, the test tube labeling apparatus is capable of automatically pasting labels on the test tube, the test tube conveyer sends the labels to the test tube apocenosis apparatus, the test tube apocenosis apparatus automatically cut out the bloodbag sample braid, then liquid in a blood bag is discharged to the test tube, the test tube filled with the liquid is transmitted to the test tube recovery apparatus by the test tube conveyer, automatic recovery is realized, automatic apocenosis is realized, biological infection of a blood sample on the operators can be prevented, and efficiency is increased.

The invention discloses an ultrasonic auxiliary filtering membrane damage simulation test device and a test method. An ultrasonic transducer box is vertically positioned at the right side inside a test pool for dividing the inside of the test pool into a left region and a right region; the ultrasonic transducer box can leftwards and rightwards move and is in sealed contact with the test pool; the left side region is vertically provided with a flat membrane; the flat membrane is clamped by a front side clamp plate and a right side clamp plate; a sound intensity probe is arranged at the front wall part of the back side clamp plate; the center part of the ultrasonic transducer box is connected with the left end of a horizontal screw rod in a rolling way; the right end of the screw rod extends out of the test pool through the right side wall of the test pool and is axially connected with a screw nut with teeth in a sleeving way; the screw nut with teeth is connected with a gear through a belt with teeth; the gear is connected with an output shaft of a step motor in a concentric way. On the premise of the fixed ultrasonic output power of each gear, the rotation of the step motor is precisely controlled by combining an MCU (micro control unit) control system; the ultrasonic intensity is changed through changing the distance between an ultrasonic source and the membrane; the effect that the ultrasonic intensity is roughly adjusted at first and is then finely adjusted is achieved; the obtained rest data is more comprehensive.

The invention discloses a dryer which comprises a precooler, an evaporator and a gas-water separator, wherein a first fin is arranged in the precooler; an air inlet is formed in the upper part at one end of the precooler, and an air outlet is formed in the lower part at one end of the precooler; the upper part at the other end of the precooler is communicated with an outlet of the gas-water separator, and the lower part at the other end of the precooler is communicated with a gas inlet in the upper end of the evaporator; a second fin is arranged in the evaporator; a cold media inlet is formed in the lower part of the evaporator, and a cold media outlet is formed in the upper part of the evaporator; the lower end of the evaporator is communicated with an inlet of the gas-water separator; a water outlet is formed in the gas-water separator; the precooler, the evaporator and the gas-water separator adopt an integral structure. The precooler of the dryer is directly connected with the evaporator, the evaporator is directly connected with the gas-water separator, and pipelines are removed, so that the problem of blockage due to corrosion of the pipelines is avoided; the precooler, the evaporator and the gas-water separator adopt the integral structure, so that the dryer is small in size and light in weight.

The invention discloses a segmented drainage control method for a drainage pump station. The method comprises the following steps that h<real-time>, H and H<lower limit> of a water storage bin, a water inflow calculation time period t<water inflow>, a water level h at the initial moment of t<water inflow>, a water level h<ending water inflow> at the ending moment of t<water inflow> and water discharge Q<drainage> in the t<water inflow> time period are acquired; according to the mapping relation of Q<drainage>, t<water inflow>, h, h<ending water inflow> and the water level-water storage capacity, the water inflow rate q<t water inflow> of the water storage bin is determined; the variable flow delta q<t drainage> in each drainage time period is determined; a theoretical operation number X<theory> of a drainage pump is determined according to q<t water inflow> and delta q<t drainage>; the water level H<ending drainage> of the water storage bin at the drainage ending moment in each drainage time period is determined; X<theory> is adjusted according to the relation between h<real-time> and H<ending drainage> and H or H<lower start and stop>, and the actual operation number X<actual> ofthe drainage pump is determined; and according to the scheme, segmented drainage of the drainage pump station is more economical.

The invention discloses a water-saving pedestal pan, which comprises a pedestal pan body. A urinal and a water storage tank are arranged on the pedestal pan body, a water sinking bay is arranged at the bottom of the urinal, and the water sinking bay is connected to a blowdown siphon. A brushing water conveying pipeline used for flushing the peripheral wall of the urinal and a spraying water conveying pipeline used for flushing the bottom of the urinal are arranged in the pedestal pan body. A first mounting hole and a second mounting hole are formed in the bottom of the water storage tank respectively, a first drain valve is mounted in the first mounting hole, and a second drain valve is mounted in the second mounting hole. The brushing water conveying pipeline is communicated with the first mounting hole, and the spraying water conveying pipeline is communicated with the second mounting hole. By controlling the displacement of the first drain valve and the second drain valve, water canbe reasonably distributed into the brushing water conveying pipeline and the spraying water conveying pipeline of the pedestal pan, water waste is avoided, a good water saving effect is achieved, meanwhile, efficient transfer of water flow can be achieved, kinetic energy losses in the conduction process are small, and the flushing effect is good.

The invention relates to a full-automatic centrifugal oil purifier, which consists of an oil tank, a centrifugal cylinder and a pollutant holding box. The oil tank is provided with an oil inlet and anoil outlet, the oil inlet is communicated with an oil inlet pipe, the oil outlet is communicated with the centrifugal cylinder, the centrifugal cylinder is communicated with an oil outlet pipe, boththe oil inlet pipe and the oil outlet pipe are disposed on an oil supply tank, and the pollutant holding box is disposed below the centrifugal cylinder. The full-automatic centrifugal oil purifier also includes a PLC, the oil tank is equipped with a vacuum pump communicated with the oil tank, the oil tank is internally equipped with a liquid level switch I, the centrifugal cylinder is equipped with a self-priming pump I and a main motor, the main motor is connected to the centrifugal cylinder, and the vacuum pump, the liquid level switch I, the self-priming pump I and the main motor are all electrically connected to the PLC. The full-automatic centrifugal oil purifier provided by the invention utilizes the cooperation of one-key startup, automatic water dropping and automatic drainage three parts to realize automatic oil purification, saves labor force, realizes unattended automatic work, avoids low oil purifier purification efficiency caused by keepers' negligence, and improves the automation degree and service life of the oil purifier.

The invention provides an automatic cleaning device for a building wall, which relates to the technical field of building equipment, and solves the problems that through structural improvement, dust on a wall surface cannot be automatically wiped in a linkage manner while a wiping structure moves up and down, water spraying and wetting cannot be achieved in the linkage manner in the up-down movingprocess of the wiping structure, and an automatic water squeezing function cannot be achieved, and collection and filtration of wiping water cannot be realized. An automatic cleaning device for a building wall comprises a wall body. A main body seat structure is installed on the wall body, and a cleaning structure is installed on the main body seat structure. The mounting seat is welded on the mounting seat, and the mounting seat is in sliding connection with the sliding seat; when the stress rod slides upwards along with the sliding base and makes contact with the shifting block, the cleaning cotton is in an extruded state at the moment, and therefore automatic drainage of the cleaning cotton is achieved.

The invention provides a hydraulic engineering construction water-proof and water-draining device. The hydraulic engineering construction water-proof and water-draining device comprises a base seat, supporting pillars, a water collecting tank, screening plates, a screening layer, a water inlet pipe, a screening net and a communicating water pipe, the water collecting tank is fixedly installed on the upper part of the base seat, the screening plates are fixedly installed on the upper part of the water collecting tank, the screening layer is fixedly installed between the screening plates, the water inlet pipe is fixedly connected to the upper part of the left side of the water collecting tank, and the screening net is fixedly arranged in the water inlet pipe. According to the water-proof andwater-draining device, through arrangement of the screening plates and the screening net, sundries can be subjected to screening treatment, a water-draining pipe is prevented from being blocked, by observing a water level numerical value on the communicating water pipe, the water level can be observed conveniently, and through an arranged water level senor, sensing is carried out and fed back toa control device; and through a PLC, a storage battery is controlled, power resources are provided for a water pump and an alarm, and thus automatic water drainage is realized, through the action of the alarm, opening of a preparatory water-draining pipe is realized, and thus the quantity of water in the water collecting tank is controlled.