112results about How to "Control water level" patented technology

The invention belongs to the technical field of the water ecological environment, and particularly to a device and a method for stimulating pollutant transport and upstream salty water of a riverway with a repeated tidal flow. The device comprises an upstream flow control device, a middle water tank device and a downstream tidal flow control device, and is characterized in that the upstream flow control device comprises a water inlet pipe, a constant flow water tank and an upstream water level control water tank; the middle water tank device comprises a water tank body, a speed measuring device and a pollutant sewage inlet tank; the downstream tidal flow control device comprises a tide water level control water tank, a tide backflow stimulation water tank, a compensation or seawater salinity stimulation water tank; the upper end of the water tank body is connected with the upstream water level control water tank while the lower end thereof is connected with the tide water level control water tank; the tide water level control water tank is connected with the tide backflow stimulation water tank; the compensation or seawater salinity stimulation water tank is connected with the tide backflow stimulation water tank. The device and the method for stimulating pollutant transport and upstream salty water of riverway with the repeated tidal flow can stimulate transport and diffusion rules of the pollutants in the riverway with the repeated tidal flow (the upstream salty water rules), and can be widely applied to the simulation tests in the technical field of the water ecological environment.

The invention discloses an artificial breeding method for crayfishes in a net cage. The method comprises: selecting the net cage; putting and preparing the net cage; inputting parent crayfishes; feeding the crayfishes; cleaning the net cage; and carrying out breeding management. An artificial inductive method of controlling illumination, controlling temperature, controlling water level, controlling water quality and carrying out reinforced feeding is adopted. Illumination is controlled to be less than 300 Lux, the temperature is controlled at 18-26 DEG C, control of water quality means maintaining stable water level, and control of water quality means maintaining dissolved oxygen in a water body being greater than 5 mg/L. The reinforced feeding means adding an animal feed and an artificial compound feed which accelerate gonad development of the crayfishes, cleaning the net cage periodically, and incubating egg-carrying crayfishes in a centralized manner.

The invention discloses a fractal intersection fracture seepage flow experimental system and an experimental method and belongs to the field of geotechnical engineering. The experimental system comprises a water storage tank, a water guide pipe and a water head tank, wherein a water inlet is formed in the water head tank; water flow passes through the water inlet and then enters an experimental main body; the experimental main body comprises an intersectional hollow flow channel slot and a cover plate thereon; a fractal intersection fracture parallel-plate physical model for 3D printing is arranged in the hollow flow channel slot; the model is made by constructing a rough fractal curve based on a fractal function, establishing a three-dimensional stereoscopic model according to the curve by virtue of software and printing by virtue of 3D printing equipment; the model comprises rough fractures and smooth fractures intersecting with one another; the rough fractures and smooth fractures have the same seepage path length; the water outlet is connected with the water collection tank; a water level monitor is arranged above the water collection tank; the water collection tank is connected with the water storage tank by virtue of a communicating pipe; the experimental system further comprises an intelligent regulation device; a pressure sensor and the water level monitor are respectively connected with the intelligent regulation device. The experimental system is applicable to study on the fractal intersection fracture seepage flow experiment.

The invention discloses a mechanical constant temperature adjusting method for an experiment. The mechanical constant temperature adjusting method comprises the steps: firstly, that a blowoff valve and a regulating valve are in off states is ensured, and an expansion valve, a hot water valve and a cold water valve are turned on; the opening end of an overflow water draining hose is connected with a water draining structure; hot water of a hot water source passes through a temperature control valve to enter a water jacket; after a temperature at the position of a temperature sensing bag rises, a volume of expanded liquid expands, and a push rod can push a valve core to move upwards to reach a constant temperature position; under the constant temperature position, if the temperature at the position of the temperature sensing bag further rises, a water outlet is communicated with a cold water hole to reduce the water temperature until the valve core reaches the constant temperature position; if the temperature at the position of the temperature sensing bag further reduces, the water outlet is communicated with a hot water hole to improve the water temperature until the valve core reaches the constant temperature position; after the experiment is finished, the blowoff valve is turned on, and all the other valves are turned off. The mechanical constant temperature adjusting method disclosed by the invention utilizes the characteristic that the volume of the expanded liquid can change along with temperature change and is combined with spring force to dynamically keep the valve core at the constant temperature position to keep temperatures in the water jacket and a constant temperature box basically constant.

The invention relates to the technical field of geotechnical engineering, especially to a pipeline dissolution test equipment based on soil internal erosion and test method thereof. The test equipmentcomprises a water supply device, a water collecting device, an erosion generating device, a collecting device, a measuring device and a shooting device. The water collecting device, the erosion generating device and the collecting device have hollow square structures with openings in the tops and are sequentially stacked and overlapped from top to bottom; a glucose pipeline which is vertically arranged is arranged in the middle of an inner cavity of the erosion generating device, and a plurality of moisture content sensors, pore water pressure sensors and displacement sensors are arranged onthe edge of the glucose pipeline. According to the method, a solid foundation is laid for establishing an appropriate model to predict soil settlement and disturbance influence after erosion, and thetest equipment and test method have positive guiding significance in research related to water and soil loss in geotechnical engineering, prevention of harm caused by soil internal erosion in engineering construction, reduction of engineering and non-engineering accidents and the like.

The invention discloses a full-automatic uninterrupted safe intelligent water supply system. The full-automatic uninterrupted safe intelligent water supply system comprises a remote control center, adual-power-supply control cabinet, pressure transmitters, a municipal pipe network, a water outlet pipeline, electric valves, a water tank, liquid level transmitters, a water pump assembly, an indicator light, a touch screen, an alarm and a water inlet pipeline, an electric control cabinet is wirelessly connected with the remote control center, the indicator light is installed on the front side ofthe electric control cabinet, the touch screen is installed on one side of a switch, the alarm is installed on the upper side of the touch screen, the electric control cabinet is electrically connected with the dual-power-supply control cabinet and a water tank, the plurality of liquid level transmitters are installed on the inner wall of the water tank, the water tank is connected with the waterinlet pipeline and internally provided with the water pump assembly, the water pump assembly is connected with the water outlet pipeline, the water outlet pipeline and the water inlet pipeline are provided with the pressure transmitters, the water outlet pipeline and the water inlet pipeline are provided with the electric valves, and the water inlet pipeline is connected with the municipal pipe network. According to the full-automatic uninterrupted safe intelligent water supply system, the structure is reasonable, full-automatic uninterrupted safe intelligent water supply is achieved, and theservice life of the intelligent water supply system is long.

The invention discloses a green building rainwater collection device, and relates to the field of environmental protection. According to the technical scheme, the green building rainwater collection device comprises a solar device arranged on a wall body and a rainwater collection mechanism capable of being retracted to the position below the solar device, wherein the rainwater collection mechanism comprises a lifting frame, a vertical lifting mechanism for pulling the lifting frame to ascend and descend, a triangular water tank which is arranged on the lifting frame and can slide horizontally, and a horizontal moving mechanism for pulling the triangular water tank to move horizontally. The green building rainwater collection device has the beneficial effects that by means of a solar panelsupport commonly arranged on a high-rise building at present, rainwater is collected into the water tank through rainwater guide of a solar panel, and no extra support needs to be arranged, so that the cost is effectively controlled; solar cleaning can be achieved while the rainwater is collected on the high-rise building, and the water level of the water tank is controlled; and when the green building rainwater collection device is not used at ordinary times, the device can be retracted to the position below the solar panel, so that the service life shortening caused by direct sunlight is avoided.

The invention discloses a steam generation device water quantity control method of cooking equipment. The method comprises an evaporator, a water box, a water pump, a water pump water inlet pipe and awater pump water outlet pipe, and a heating pipe and a temperature sensor arranged on the evaporator, wherein the water pump extracts water from the water box through the water pump water inlet pipeinto the evaporator through the water pump water outlet pipe to feed the water in the evaporator. The method can effectively control the water feeding of the evaporator, and intelligently controls thewater level in the evaporator to solve the defects in the prior art. When the evaporator works, the fake dry burning procedure is performed to correct the water level in the evaporator, and the waterin the evaporator is effectively controlled through interval water feeding, so that the consumed water quantity is fed to the evaporator when the consumed water of the evaporator generates steam.

The invention relates to a high-yield rice planning method. A rice planting region, rice planting units, spray pipelines, water level monitors, microelement content detectors, a controller and a solar power generator are involved, wherein the rice planting units are arranged in the rice planting region, the spray pipelines are arranged along the peripheries of the rice planting units in the rice planting region, the water level monitors and the microelement content detectors are arranged in the rice planting units, the controller is used for receiving information sent by the water level monitors and the microelement content detectors, and the solar power generator is arranged in the rice planting region and used for supplying power to the controller, the water level monitors and the microelement content detectors. The invention provides the high-yield rice planning method, a spraying system is arranged on the periphery of rice, the water level of the rice can be controlled, and disinsection and fertilizer application can be carried out on the rice. In addition, the solar power generator is arranged and is capable of providing electric power support for operation of the whole device and convenient and easy to operate.

The invention discloses a geological disaster chain simulation test device and method. The geological disaster chain simulation test device comprises a model box, a water injection box, a pipeline, a lifting device, a rainfall simulation device and a water level changing device. The model box is a cuboid of a frame structure, the side face of the model box is a breast board, the bottom face of the model box is a bottom plate, one side of the bottom plate is hinged to the side face of the model box, the bottom plate can overturn around a hinged hinge shaft, and the lifting device is connected below the bottom plate and located on the ground. The rainfall simulation device is located at the top of the model box and comprises a plurality of nozzles facing the interior of the model box; the water level changing device comprises a plurality of water injection pipes, a plurality of through holes are formed in the soil baffle and/or the bottom plate, and the water injection pipes are slidably connected into the through holes; the water injection pump is arranged in the water injection tank and is connected with the spray head and the water injection pipe through pipelines. By means of the device and method, special complex geological structures induced by simulating loess plateau disaster chains and multi-type disaster chain simulation tests can be met.

The invention discloses an ultraviolet disinfection tank used for sewage treatment. The ultraviolet disinfection tank comprises a tank body, a water inlet and a water outlet which are arranged on the tank body, and an ultraviolet disinfection module arranged in the tank body, and the ultraviolet disinfection module comprises a flow slowing device close to the water inlet, a water level controller close to one side of the water inlet, and an ultraviolet disinfection unit positioned between the flow slowing device and the water level controller. The ultraviolet disinfection tank can effectively disinfect municipal sewage, and can control the water level and the pressure of the sewage in the tank body in the treatment process, so normal running of the ultraviolet disinfection tank is guaranteed.

The invention discloses an apple floating and feeding device. The device comprises a feeding water tank, a conveying belt and a fruit dividing plate, the feeding water tank comprises a draining tank and a fruit pouring tank, the draining tank is communicated with the fruit pouring tank, a first annular groove and a second annular groove are arranged in the inner wall of the fruit pouring box; theposition of the first annular groove and the position of the second annular groove are oppositely arranged; a first chain is arranged in the first annular groove, and a second chain is arranged in thesecond annular groove, the two ends of the fruit dividing plate are respectively connected with the first chain and the second chain; a first motor is arranged on the outer side of the draining box,the first motor is connected with the second chain; a conveying belt is obliquely arranged in the draining box, the lower end of the conveying belt is arranged below the first annular groove and the second annular groove; anti-rolling blocking strips are uniformly arranged on the conveying belt, a second motor is arranged on the outer side of the draining box, and the second motor is connected with the conveying belt.

The invention discloses granular activated charcoal washing equipment. The equipment comprises a tank body, an upper sealing head and a lower sealing head, wherein the upper sealing head and the lowersealing head are arranged at the upper and lower ends of the tank body; the upper sealing head is provided with a feeding port, a clear water inlet, an acid liquid port, a circulating water inlet, aliquid level detecting port, a liquid level control device and a purifying device, wherein the liquid level control device is connected to the liquid level detecting port and used for quantifying an acid liquid, and the purifying device is disposed above the feeding port and used for receiving dust and acid vapor; the middle of the side wall of the tank body is provided with a temperature detecting port used for being connected to a temperature control device, the lower portion of the side wall of the tank body is provided with a steam pipe extending into the tank body, and the outer end of the steam pipe is connected with a steam generator; a discharge port is formed in the center of the bottom of the lower sealing head and internally provided with an electric valve, and the lower sealinghead is also provided with an aeration port and at least one water filtering device used for separating granular activated charcoal from black waste water, wherein the aeration port is connected to ahigh-pressure air aerator. In summary, the equipment has the advantages that the control degree is high, the washing efficiency is high, sufficient washing is achieved, the wearing degree of activated charcoal particles is low, manpower is saved, energy is saved, and the environment is protected.

The invention discloses a novel aquarium which comprises a tank body with a circulating water outlet connector and a water drainage connector at the bottom, a filtering device connected with the water outlet end of the circulating water outlet connector and provided with an independent water adding opening, a water spraying device connected with the water outlet end of the filtering device, and a water drainage tank connected with the water outlet end of the water drainage connector. The water spraying device comprises a water inlet pipe, a connecting elbow, a water spraying connector and a wedge-shaped water spraying device which are sequentially connected in a sealed mode, wherein the wedge-shaped water spraying device is arranged in the water spraying connector. Compared with the prior art, the coverage of water spraying is greatly improved, lots of oxygen can be brought in the spraying process, the content of oxygen in water is greatly improved, and aquatic organisms can easily and better grow; the water spraying coverage area is increased, so the utilization rate of filter cotton is further improved, the filtering effect is enhanced, and it is avoided that due to bacteria breeding caused by non-thorough filtering, aquatic organisms fall ill or even die.

The invention discloses a steam-water separator. The steam-water separator comprises a barrel, an upper end enclosure, a lower end enclosure, an even number of steam inlet pipes and a steam outlet pipe. The steam inlet pipes are symmetrically arranged on the outer side of the upper portion of the barrel about the central axis of the barrel. The steam outlet pipe is arranged at the top of the upper end enclosure and stretches into the barrel, and a drainage device is arranged at the bottom of the lower end enclosure. A conical plate coaxial with the barrel is arranged on the lower portion of the barrel, the vertex of the conical plate is arranged upwards, a porous plate is arranged on the lower portion of the conical plate, the outer diameter of the conical plate is smaller than the inner diameter of the barrel, and the outer diameter of the porous plate is consistent with the inner diameter of the barrel. The steam-water separator of the structure has the advantages that the steam inlet pipes are used for steam inflow, so that steam forms a cyclone flow in the steam-water separator, and the steam-water separation effect is improved.

The invention relates to the technical field of ultrasonic wave and especially discloses a method for adopting ultrasonic wave for detecting water level and controlling water level. The method comprises the following steps: emitting an ultrasonic wave signal toward the bottom direction of a water storage tank by an ultrasonic wave emitting device; receiving a reflected ultrasonic wave signal by anultrasonic wave receiving device on a same position; calculating and acquiring the present water level by a processor according to a time difference from the first moment of the ultrasonic wave emitting device for emitting the ultrasonic wave signal to the second moment of the ultrasonic wave receiving device for receiving the reflected ultrasonic wave signal; controlling a water feeding gate ofthe water storage tank by the processor when the present water level is lower than the first preset water level; and controlling a water draining gate of the water storage tank by the processor when the present water level is higher than the second preset water level, thereby effectively controlling the water level in the water storage tank to keep the moderate state.

The invention discloses a sunken square water circulation system based on a sponge city. The system mainly comprises an isolation unit, a pipe network collection unit, an underground water level control unit and a rainwater reuse unit, the isolation unit comprises a waterstop curtain, the pipe network collection unit comprises a pipeline and an impounding reservoir, the underground water level control unit comprises a water level monitoring device and an underground water well, the rainwater reuse unit comprises a purifying device, the water circulation system adopts the waterstop curtain forcarrying out underground water separation, through the water level monitoring device, the underground water well and the impounding reservoir, the underground water level is controlled, it is ensuredthat the sunken square underground water level is kept below a bottom plate, meanwhile, existing rainwater, water draining, underground water control, green landscape, paving and the like are sufficiently used, the water circulation system and a water quality control and rainwater reuse system are built, and effective combination of sponge city ecological functions and square original functions can be achieved.

The invention relates to an automatically controlled water purification and circulation system which comprises a water storage tank, wherein water in the water storage tank is filtered by a full-automatic sand filter device, a full-automatic carbon filter device and a full-automatic ultra-filtration device step by step in sequence; purified water filtered by the full-automatic ultra-filtration device is respectively conveyed to a purified water tank I used for providing circulation water to a common area and a purified water tank II used for providing circulation water to a clean area; a common flow pipe used for providing circulation water to the common area is arranged on the purified water tank I; a reverse osmosis device is arranged at the water inlet end of the purified water tank II; a clean water flow pipe used for providing circulation water to the clean area is arranged on the purified water tank II. Due to the arrangement of the purified water tank I used for equipment and pipeline circulation in the common area and the purified water tank II used for equipment and pipeline circulation in the clean area, water used for circulation in the common area and the clean area is not provided by one purified water tank any more. Therefore, the problem that the conventional purified water preparation and circulation system has high possibility of pollution on a pipeline in the clean area, and the product quality is further impacted is solved.

The invention relates to a washing machine drawing water level sensor, belonging to the washing machine field. The invention is characterized in that: the housing is equipped with a shaft; the shaft has a wire rope winded thereon, a spring and a cam with vortex line structure; the shaft also has a transmission rod disposed on one side, which has a magnetic core; the magnetic core is equipped with coil on the periphery, and the coil has a inserting piece which is connected with the control panel of the washing machine. the invention can rotate the shaft to different angle by drawing the wire rope to different length; it also can drive the transmission rod with magnetic core to perform linear motion by the vortex line structure, thereby can change the relative position of the magnetic core in the coil, change the output frequency of the sensor, and realizes the judging controlling to the water level in the washing machine barrel. The invention is especially suitable for new environment-friendly type washing machine having no water between the inner and the outer barrel.