Query: automatic pipeline valve

title: Waste gas power generation grid connection unit
abstract: The invention discloses a waste gas power generation grid connection unit. The waste gas power generation grid connection unit includes a three way reducing valve. The three way reducing valve comprises an intake port and two exhaust ports; the intake port is provided with a single gas valve, one exhaust port of the three way reducing valve is provided with a solenoid valve, and the other exhaust port of the three way reducing valve is provided with a reducing valve; the intake port provided with the single gas valve is connected with one end of a filter through a pipeline, and the other end of the filter is connected with a gas source pipeline; the exhaust port provided with the solenoid valve is connected with an oil and gas automatic converter and a waste gas engine in sequence through pipelines; the waste gas engine is further connected with a connector, a motor, a grid connection control cabinet, a two way meter and a power grid in sequence through wires; a reverse loop is further arranged between the power grid and the two way meter; the power grid is further connected with electrical equipment through the two way meter. According to the waste gas power generation grid connection unit, decentralized energy can be fully utilized, and the problems that the decentralized energy pollutes the atmosphere severely, and meanwhile resources are wasted are solved.

title: Device and method for transmitting downhole signal through using mud pulse under aerated drilling condition
abstract: The invention discloses a device and method for transmitting a downhole signal through using mud pulse under an aerated drilling condition. The device comprises a signal reception sensor (12) and a gas injection flow automatic control unit (17) and the signal reception sensor (12) is arranged on a stand pipe (11) the gas injection flow automatic control unit (17) comprises a gas injection flow control valve (14) a controller (15) and a gas emission volume flow meter (16) the gas injection flow control valve (14) and the gas emission quantity flow meter (16) are connected to the portion between a gas injection pipeline and ground atmospheric environment (18) the gas injection flow control valve (14) is connected with the output end of a control signal of the controller (15) and the signal reception sensor (12) is connected with the input end of a sampling signal of the controller (15) By means of the device and method for transmitting the downhole signal through using mud pulse under the aerated drilling condition, divided period spaced gas injection of a maximum gas injection volume and a minimum gas injection volume is achieved, a signal can be effectively transmitted in the minimum gas injection volume period, and the signal transmission is given up and the gas injection volume needed by the pressure control in a well is guaranteed in the maximum gas injection volume period.

title: Control Mechanism Analysis in Fluid Drive
abstract: In order to improve the security and reliability of industrial control system and realize the automatic detect and control of the system, this paper invents and conducts whole scheme design of a multifunctional intelligentized solenoid valve detecting system. We analyze the conditions of resonance of main test pipeline and its pressure transmission characteristics in frequency domain by impedance analysis. We conduct simulation study to the frequency characteristics of pressure radio of the main test line by adopting approximation method of fluid pipeline frequency domain model to make reasonable physical design to the elements like geometric dimensioning and the length of fluid pipeline.

title: Multi liquid proportioned mixing device
abstract: The invention discloses a multi liquid proportioned mixing device. The multi liquid proportioned mixing device comprises a first liquid storage tank, a second liquid storage tank and a liquid storage vessel, wherein the first liquid storage tank is used for storing first liquid, the second liquid storage tank is used for storing second liquid, and the liquid storage vessel is in pipeline connection with the first liquid storage tank and the second liquid storage tank respectively; a first valve and a first flow meter are sequentially connected between the first liquid storage tank and the liquid storage vessel in a pipeline connection manner, and a second valve and a first metering pump are sequentially connected between the second liquid storage tank and the liquid storage vessel in the pipeline connection manner. The multi liquid proportioned mixing device further comprises an automatic control device which is used for acquiring first flow signals of the first flow meter and controlling the first metering pump to quantitatively output the second liquid according to the first flow signals. According to the multi liquid proportioned mixing device disclosed by the invention, flow meters and metering pumps are respectively mounted on a plurality of pipelines, and outputs of the metering pumps are controlled proportionally in a manner of acquiring data of the flow meters by the control device, so that the rapid dilution and proportioned mixing of a variety of liquids are realized, and the concentration of the mixed liquid is stable.

title: Vacuumization free water discharging device of immersed membrane filter system
abstract: The utility model discloses a vacuumization free water discharging device of an immersed membrane filter system. The water discharging device comprises a water production centrifugal pump, a water absorption pipeline for connecting an inlet of the water production centrifugal pump with a membrane assembly water collecting pipe, a one way automatic exhaust valve arranged at the highest point of the water absorption pipeline, an upper short emptying pipe connected with the one way automatic exhaust valve, and a pipeline for connecting an outlet of the water production centrifugal pump to a water outlet point of the membrane filter system. The water discharging device is characterized in that the water production centrifugal pump is arranged on one side of the immersed membrane filter system, an impeller of the water production centrifugal pump is lower than the lowest running water level of the membrane filter system, the highest point of the water absorption pipeline is lower than that lowest running water level of the membrane filter system, the one way automatic exhaust valve is arranged at the highest point of the water absorption pipeline, and the upper end of the short pipe connected with the one way automatic exhaust valve is higher than the highest running water level of the membrane filter system.

title: Carbon dioxide gasbag skin expander
abstract: The invention discloses a carbon dioxide gasbag skin expander. After a guide pin is embedded under the skin through operation, a guide tube is led outside the skin via a subcutaneous passage; after air in an expansion bag is replaced with carbon dioxide, the air expansion bag is connected to a carbon dioxide bottle via a connection pipeline and an automatic pressure regulating valve, and the automatic pressure regulating valve is set to be opened and closed at required pressure; the automatic pressure regulating valve is opened under the action of a spring when the pressure of the expansion bag decreases, and is closed under the action of an air cylinder when the pressure of the expansion bag increases; the loss of the expansion bag due to carbon dioxide dispersion is automatically compensated via the pressure regulating valve, and constant gas pressure can be kept to expand the expansion bag and further push the skin and the subcutaneous tissues outwards, so that growth and expansion of the skin and the subcutaneous tissues are facilitated.

title: Preparation system and method for formula liquid fertilizer
abstract: The invention provides a preparation system and method for a formula liquid fertilizer. The system comprises a flow meter, a raw material tank, an agitator, a liquid level meter, a filter, a metering pump, a mixing barrel, a solenoid valve, a fertilizer filling machine, a check valve and a programmable logic controller; an irrigation pipeline is connected with the raw material tank by the solenoid valve and the flow meter; the raw material tank is connected to the mixing barrel by the solenoid valve, the filter and the metering pump; the mixing barrel is connected to the irrigation pipeline by the fertilizer filling machine and the check valve; the flow meter, the metering pump, the agitator, the flow level meter, the solenoid valve and the fertilizer filling machine are electrically connected to the programmable logic controller respectively. The system has the advantages of automatic operation, labor cost saving, fertilizer saving, improvement of the fertilizer utilization rate, prevention of soil pollution, improvement of the yield and the quality of products and the like.

title: Sludge concentration system
abstract: The utility model provides a sludge concentration system, which comprises a container, a pipeline mixer, a feeding valve, a discharging valve and a drainage valve, wherein the container is provided with a feeding hole, a discharging hole and a water outlet; the input end of the feeding valve is communicated with the output end of the pipeline mixer; the output end of the feeding valve is communicated with the feeding hole of the container; the input end of the discharging valve is communicated with the discharging hole in the container through a pipeline; the input end of the drainage valve is communicated with the water outlet on the container. The sludge concentration system has the characteristics of simple structure, automatic controllability, high efficiency and high field adaptability, and can adapt to different front section sucking equipment and back end dehydrating equipment.

title: Integrated sterile humidifying oxygen inhalator
abstract: The utility model discloses an integrated sterile humidifying oxygen inhalator which comprises a flow regulating valve, an oxygen flowmeter, a humidifying bag box, a disposable humidifying bag and a pipeline automatic connecting device. When the integrated sterile humidifying oxygen inhalator is used, the disposable humidifying bag is placed inside the humidifying bag box, an air inlet opening of the disposable humidifying bag is connected with the pipe automatic connecting device, the pipeline automatic connecting device enables the oxygen flowmeter and the disposable humidifying bag to be communicated, and oxygen passes through the flow regulating valve, the oxygen flowmeter and the pipeline automatic connecting device and enters the disposable humidifying bag to be humidified. In the entire using process, only the mounting operation of the disposable humidifying bag needs to be completed manually, and other working procedures are automatically completed in the process of opening and closing a box cover. Sterile operation is achieved, humidifying liquid in the disposable humidifying bag is prevented from being polluted, a patient is prevented from getting respiratory tract infection in the process of oxygen inhalation, and help is brought to treatment of diseases. The integrated sterile humidifying oxygen inhalator is reasonable and compact in structure, small in occupied space and convenient to operate.

title: Ultra pure medium conveying integrated system
abstract: The invention discloses an ultra pure medium conveying integrated system, which comprises a heat exchanger, a cooling water circulating device, an injection water circulating device and a control panel, wherein the injection water circulating device comprises an injection water inlet pipeline, an injection water outlet pipeline and an extension pipeline; the injection water inlet pipeline is further provided with an injection water branch pipeline; the injection water branch pipeline is connected with a first automatic valve and a second automatic valve at the same time; the middle part of the extension pipeline extends to the second automatic valve, and is communicated directly with the second automatic valve; the first automatic valve, the second automatic valve and the cooling water circulating device are all connected to the control panel; the cooling water circulating device is provided with a compressed air source; the compressed air source is connected with the cooling water circulating device through a third automatic valve. According to the ultra pure medium conveying integrated system, the requirement of conveying of ultra pure media is met, and meanwhile energy waste is further reduced.