44results about How to "Control the amount of liquid" patented technology

The invention discloses a pressing suction device capable of adjusting the liquid outlet amount. The device comprises a gland and a liquid outlet tube. The liquid outlet tube is in vertical sliding connection with a hole in the top of the gland. The device is characterized in that a liquid outlet adjusting unit is arranged between the gland and the liquid outlet tube and comprises an outer cover which is screwed to the outside of the gland, a hole formed in the top of the outer cover is aligned with the hole in the top of the gland, and the liquid outlet tube is in vertical sliding connection with the hole in the top of the outer cover. The device has the advantages that the outer cover is screwed to the outside of the gland, and the distance between the upper end of the liquid outlet tube and the outer cover can be adjusted by rotating the outer cover, the pressing height of the liquid outlet tube can be controlled, the liquid outlet amount can be controlled effectively by controlling the pressing height of the liquid outlet tube, the liquid outlet amount can be adjusted, and unnecessary waste can be prevented effectively.

The invention discloses a limit-quantity charging device and a low-temperature vessel comprising the same. The limit-quantity charging device comprises a valve body, a stagnation piece, a floater and a connecting piece, wherein the valve body is provided with a sealed cavity, a liquid inlet arranged on the valve body and a liquid outlet arranged on the top wall of the valve body, the liquid inletis communicated with a liquid inlet tube, and the liquid outlet is communicated with the inner part of the low-temperature vessel; the stagnation piece is arranged in the cavity of the valve body andhas preset weight for sealing the liquid outlet of the valve body; the floater is arranged out of the valve body and can move up and down along with the height of low-temperature medium liquid level in the low-temperature vessel; the connecting piece passes through the liquid outlet of the valve body and is fixedly connected with the stagnation piece and the floater; and the internal diameter of the liquid outlet is more than a preset size of the diameter of the connecting piece. The invention can charge the vessel without discharging the medium in the vessel so as to realize lossless charging, avoid resource waste, lower cost and is favourable for protecting environment.

The invention relates to the technical field of roll-type liquid addition equipment, in particular to a liquid addition device and a liquid addition method thereof, which solves the problem of the lack of a liquid addition device with uniform liquid addition in the prior art. A liquid adding device includes: a top plate, a fixed shaft and a liquid adding roller, a left plate and a right plate are respectively installed on both sides of the bottom of the top plate, one end of the fixed shaft is fixedly connected with the right plate, and the other end can be connected with the left plate. Removal and installation, the detachable movable sleeve of the dosing roller is set outside the fixed shaft, and there are a plurality of microneedles in the array on the dosing roller. In the present invention, the positioning box in the fixed shaft is driven to abut against the bottom end of the microneedle, so that during the rotation of the liquid adding roller, the positioning box positions and adds liquid to the microneedle in contact with the paper, and the inside of the fixed shaft is subjected to the pressure of the liquid adding tank. The liquid output and speed are controlled, so that the micro-needles are in uniform contact with the upper and lower end faces of the paper and the liquid is added. Moreover, the size of the micro-needles is a certain size. By controlling the pressure, the effect of precise control of the liquid addition can be achieved.

The invention relates to a sludge treatment equipment, comprising a shell, a treatment liquid feeding device and a sludge treatment system; the sludge treatment system is arranged in the shell; the treatment liquid feeding device passes through the shell After the body, it communicates with the inner cavity of the centrifuge cylinder of the sludge treatment system; the treatment liquid feeding device includes a treatment liquid interface, a pneumatic liquid inlet valve and a liquid inlet pipe; the pneumatic liquid inlet valve is connected to the treatment liquid Between the interface and the liquid inlet pipe; the liquid inlet pipe extends into the inner cavity of the centrifugal cylinder after passing through the housing; the pneumatic liquid inlet valve includes a valve body and a pneumatic liquid inlet plate arranged in the valve body and a push rod; the air pressure liquid inlet plate extends radially through the pipe body of the valve body; the pipe body communicates with the air pressure chamber of the air pressure liquid inlet plate. The pressure of the air pressure cavity in the air pressure liquid inlet plate is changed by the push rod to change the opening of the air pressure liquid inlet plate, which can precisely control the liquid intake, thereby avoiding the waste of processing liquid.

The invention relates to an inner liquid spraying electrolysis track-type grinding combined machining tool cathode and a method and belongs to the field of electrolysis machining. The inner liquid spraying electrolysis track-type grinding combined machining tool cathode and the method are characterized in that a grinding liquid conveying track is installed on the side wall of a box-shaped hollow electrode; the surface of a track is provided with liquid passing holes and abrasive particles, and electrolysis machining efficiency is improved; a servo motor is arranged at the top of the box-shapedhollow electrode and can drive the track to rotate at a low speed to grind the surface of a part, so that residual mechanical particles and passivation films during high-speed electrolysis machiningare removed, and efficient electrolysis machining is facilitated; when the track rotates, the abrasive particles on the track scratches electrolysate ceaselessly, under washing of an electrolyte, theelectrolysate is washed away fast, and the machining process is more stable. The machining device comprises the following components of a servo motor, the replaceable track, the box-shaped hollow electrode, an industrial personal computer, an electrolysis machining machine tool, a high-power direct-current power source and an electrolyte circulation system. The inner liquid spraying electrolysis track-type grinding combined machining tool cathode and the method has significance for the effects that electrolysis machining efficiency is improved, the electrolysate is discharged fast, and efficient and fast electrolysis machining is ensured.

The invention discloses an automatic quantitative spray machine and a method thereof and relates to spray cleaning equipment. The automatic quantitative spray machine comprises a power supply module and a liquid storage tank, wherein the liquid storage tank is connected with a first flow guide pipeline through a first electromagnetic valve, the control end of the first electromagnetic valve is connected with the first output end of a controller, and a liquid delivery tank is positioned under a pipe opening of the first flow guide pipeline. The liquid delivery tank is connected with a second flow guide pipeline through a second electromagnetic valve, the control end of the second electromagnetic is connected with a second output end of the controller, a photoelectric level sensor is arranged on the liquid delivery tank, the output end of the photoelectric level sensor is connected with the first input end of the controller, and the power supply module supplies power to the first electromagnetic valve, the second electromagnetic valve and the controller. The automatic quantitative spray machine and the method thereof can control liquid quantity in the liquid delivery device, effectively reduce waste of washing liquid, save cleaning cost, achieve automation control, and greatly improve efficiency and reduce work amount.

The invention discloses an environment-friendly device for planting submerged plants and a working method thereof, which comprises a culture shell. The present invention can control the maximum liquid volume inside according to the pressure strength between the elasticity of the coil spring and the air, so as to control the internal liquid pressure, control the living environment of submerged plants, and optimize the environment, which is more conducive to submersion. The growth of water plants, at the same time, the device can control the most appropriate amount of liquid, will not cause waste of liquid, and has environmental protection capabilities, and the device has an internal sealed installation type gas-liquid separation mechanism, which can divide gas and liquid , at the same time, the pressure between the two divided interfaces is linked to achieve pressure control. In addition, the device has a first copper hollow component moving conductive mechanism, which can make the internal components have a conductive function during the movement. In addition, the device The device has a piston-sealed moving conductor mechanism to realize the power on and off.