Water body total dissolved gas supersaturation generation and device for studying influence thereof on fish

The invention relates to a controllable temperature water body total dissolved gas supersaturation generation and an experimental device for studying the influence thereof on fish. The device comprises an autoclave, an air inlet, an adjusting air valve, a safe air valve, an air gauge, a water inlet, a water outlet, a water pool provided with a temperature controller, a water pump, a first ball valve, a first flowmeter and a water inlet, wherein, the autoclave, the air inlet, the adjusting air valve, the safe air valve, the air gauge, the water inlet and the water outlet are arranged on the autoclave, and the water pump, the first ball valve, the first flowmeter and the water inlet are sequentially connected with the water pool; an air compressor is connected with the air inlet; the water outlet is sequentially connected with a second ball valve, a second flowmeter and a water channel; a total dissolved gas tester and a water quality monitor are arranged outside the water channel; and the ...

Layered quantitative gas filling device

Experimental device for forming jet flow by drifting water with high-speed airflow and generating supersaturated total dissolved gas

The invention relates to an experimental device for forming jet flow by drifting water with a high-speed airflow and generating supersaturated total dissolved gas, which comprises a water column, a flowmeter, an air compressor, valves, a total dissolved gas determinator, a water pump, a jet pipe, a nozzle and a nozzle hole. The water column is designed into a main water column and an auxiliary water column, the nozzle hole in the wall of the main water column is connected with a rubber hose, a third valve is mounted on the rubber hose and communicated with the auxiliary water column, the air compressor is connected with one end of the flowmeter by a first valve, the other end of the flowmeter is connected with the jet pipe by a three-way pipe, the jet pipe is connected with the nozzle which is arranged in the main water column, the three-way pipe is connected with the water pump by a second valve, the water pump is arranged in the auxiliary water column by a pipeline, a fourth valve is ...

Experimental device of relationship between generation of dam supersaturated total dissolved gas and bubble size

The invention relates to an experimental device of relationship between generation of dam supersaturated total dissolved gas and bubble size, which comprises a water column, a total dissolved gas measurer, an air compressor, flow meters and valves, and also comprises a rotating bearing, an air cavity and screens. The first valve, the second valve and the third valve are arranged at the bottom outside the water column in parallel and are respectively connected with the first flow meter, the second flow meter and the third flow meter which are connected with the air compressor; the air cavity is arranged at the bottom inside the water column and is connected with the three valves at the bottom outside the water column; the first screen is arranged on the air cavity, the second screen is arranged on the first screen in parallel and is connected with the rotating bearing; and a probe of the total dissolved gas measurer is inserted into the water column when in measurement. The invention can ...

Water body total dissolved gas supersaturation generation and device for studying influence thereof on fish

The invention relates to a controllable temperature water body total dissolved gas supersaturation generation and an experimental device for studying the influence thereof on fish. The device comprises an autoclave, an air inlet, an adjusting air valve, a safe air valve, an air gauge, a water inlet, a water outlet, a water pool provided with a temperature controller, a water pump, a first ball valve, a first flowmeter and a water inlet, wherein, the autoclave, the air inlet, the adjusting air valve, the safe air valve, the air gauge, the water inlet and the water outlet are arranged on the autoclave, and the water pump, the first ball valve, the first flowmeter and the water inlet are sequentially connected with the water pool; an air compressor is connected with the air inlet; the water outlet is sequentially connected with a second ball valve, a second flowmeter and a water channel; a total dissolved gas tester and a water quality monitor are arranged outside the water channel; and the ...

Experimental device for generating over-saturated general dissolved gas by high-speed jetting air doping

The invention relates to an experimental device for generating over-saturated general dissolved gas by high-speed jetting air doping, comprising a water column, a flowmeter, an air compressor, a general dissolved gas tester, a first valve, a second valve, a third valve, a water pump, a water flow nozzle and a gas nozzle, wherein the air compressor is connected with the flowmeter connected with the gas nozzle through the second valve, and the gas nozzle is arranged in the water column; one end of the water pump is connected with the bottom of the water column, the other end of the water pump is connected with the water flow nozzle through the first valve, and the water flow nozzle is arranged in the water column; the third valve is installed at the bottom of the water column; and the general dissolved gas tester is inserted to the water column when testing. The experimental device can realize the control on the measurement of main physical conditions affecting the generation of the over-saturated ...

Multifunctional oil-extraction and gas-injection integrated oil well pump for sanding heavy crude oil well

The invention relates to a multifunctional oil-extraction and gas-injection integrated oil well pump for a sanding heavy crude oil well, comprising a long pump cylinder, a long plunger, a valve group, a gas-injection device and a sand control device, wherein the long plunger and the valve group are arranged in the long pump cylinder, and the gas-injection device and the sand control device are connected with and mounted below the long pump cylinder. The oil well pump has reasonable design, novel structure and reliable operation and can enable the sanding heavy crude oil well to integrate sand washing, gas injection and oil extraction so as to lighten a great amount of downhole operation workload, effectively solve sanding problem and favorably improve the thermal recovery and stable yield effects of a pumping well.