Oxygen bottles dedicated test pump hydraulic test equipment pressure cylinder cylinder pressure sensing device

Oxygen bottles dedicated test pump hydraulic test equipment pressure cylinder cylinder pressure sensing device 2D-SY type (6.3-80MPa) electric test pump is mainly used for all kinds of pressure vessels, oxygen bottles, pipes, valves, steam boilers, etc. for water pressure test, to stress New Process and laboratory equipment to obtain high-pressure fluid source. Is the latest series General Machinery Research Institute Ministry of Machinery Industry Joint design team test pump design, it has a "three" high-level, long life, stable performance, mobile and flexible, light weight and other characteristics of old products and Based on the increase in the transmission and cross conversion, so that the integrated value of the products fully meet the requirements of a variety of reliable performance, the use of more safe and convenient, while achieving the energy saving effect. In the product structure of a closed water tank, reducing the whole height, shape more compact appearance. This product is by water, emulsion and viscosity 5 ° -60 ℃ not more than 45mm2 / s of oil as the working medium and specially designed pump operating temperature: 5 ° -60 ℃. This series of test pump a total of seven models, the basic parameters such as: Model rated discharge pressure MPa Flow L / h high-pressure plunger diameter mm reciprocating frequency Motor Power KW Dimension L × W × H mm Weight kg high pressure 2D-SY /6.3 6.3 160 32 51 1.1 655 × 480 × 1055 150 2D-SY / 10 10 100 25 2D-SY / 16 16 63 20 2D-SY / 25 25 40 16 2D-SY / 40 40 32 14 2D-SY / 63 63 22 12 1.5 2D-SY / 80 80 16 10 Number of cylinders: 2 reciprocating piston stroke 40mm per minute: 51 when the selection test pump, should be based on the desired test pressure to select the rated pump discharge pressure. It should also take into account traffic demands. Fourth, the main structure and working principle of this product is a horizontal 2-cylinder reciprocating pump. By the electric motor, gear box, gearbox, tank, sump, safety valve and water tanks, and other major components. Pump mounted on the tank lid, there are four wheel under the tank, the pump can be mobile and flexible. Motor and gearbox coupling the two coupling halves. Reducer worm shaft and worm gear box ratio is 2:55. Worm shaft eccentric shaft at both ends into each other by 180 °, by a sliding mechanism on both sides of the transmission box, rotary motion into reciprocating motion of the slide, crosshead. Crosshead loaded plunger reciprocates within the tank, the pump's suction and discharge processes alternate. In the reciprocating action of the plunger, the working volume of the two tanks in the formation cycle. When the suction stroke of the plunger, the valve is closed, with the working volume of the tank increases, the cylinder creates a vacuum inside the tank working medium under the effect of atmospheric pressure, through the screen into the water, moved into the top valve into the cylinder. When the plunger to discharge stroke, the inlet valve is closed, the valve opening, the plunger will enter the working medium through the valve manifold, transported to the test container is realized pressure test. Sump pump control is the hub, from control, measurement and protection. With a safety valve on the sump, drain valve and connect the output to take over the work of the joint and pressure gauge fittings. Valve pump hydraulic overload protection device of the end, the factory has been adjusted. Fifth, use 1, install out of the box (1) Install the wheel. The four suits in the wheel axle (washer 20 at the wheel on both sides), put the cotter pin. (2) Install a safety valve. Twist to the sump plug packaging, the safety valve in the sump of the safety valve connectors M14 × 1.5-5H hole (note plus copper washers 6). (3) Install the pressure gauge. Pressure gauge pressure gauge screwed into the next nut connector, easy to observe the surface facing the direction of the maximum value shall be equal to 1.2-1.5 times the gauge pump rated pressure. 2. Use (1) Preparation before use: ① reduction box to add a little oil, so the oil reaches the upper or lower limit of the oil standard position. Black gear lubricant oil. ② on both sides of the transmission case 30 by the fuel injection signage machine oil, the oil should be slightly higher than the lower part of the crosshead guide surface, long-term continuous use should pay attention to add. ③ Check the fastening bolt without loosening. ④ inside the tank to fill clean working medium, and should pay attention to the filter may not be out of the water. ⑤ subjects vessel should be pre-filled with the working medium. ⑥ container line will be tested and work catchment good header. (2) should be precautions: ① the highest gear box oil temperature should not exceed 80 ℃. ② work, such as a pump or other parts found significant leakage, should be immediately removed. ③ When the relief valve can not be used. ④ boost process, if the pressure gauge needle swing too, indicating the user is test pressers volume is too small, then the best in the system connected to a pressure vessel of sufficient capacity (should comply with the relevant national standards) or Other appropriate energy storage devices. Then jog boost pressure test pieces when ⑤ if they are large volume, continuous operation can be boosted to be close to the test pressure. During operation the system pressure should pay close attention to avoid accidental overpressure. ⑥ If accidentally unexpected overpressure, can play an open valve, after removing some of the pressure to re-boost. (3) Procedure ① Open the drain valve. ② start the motor, operating at atmospheric pressure for 5 minutes, check the pump operation is normal. If there is no abnormal noise and blocking phenomenon, suction, exhaust normal and no significant fluctuations in the pump delivery of the working medium to close the drain valve, turn on the pump pressure test. When ③ When the pump discharge pressure at or near the required pressure value, that should be shut down. ④ pipeline pressure test pump can also be installed outside the cut-off valve and drain valve, cut off the container, so that was the test piece in packing state. ⑤ after pressure test is completed, the pressure relief valve open play, the working medium back into the tank. (4) test pump coupling dimensions: a sump pump center line at 770 mm above the ground, equipped with joint work, about the size as shown in Figure 2, please click here Dimensions arrangements pipeline connected users. Sixth, the general failure and troubleshooting pressure test found fault, first excluded from the pump (leaked test devices, piping systems, etc.) failure, and then check the pump failure and exclusion. Symptom Cause exclusion method pump pressure rises too slowly or does not rise 1, the release valve is not tightly closed. 2, the filter is clogged or leaking joints. 3, the plunger seal loose or damaged. 4, into and out of the valve put to death. 5, into and out of the valve is not sealed. Circle. 1, tightly closed or re-equipped research. 2, clean or remove dirt tighten the fittings. 3, adjust or replace the seals pressed against the collar. 4. Remove the inspection, cleaning or re-grinding. 5, reground or replaced. The rise in non-uniform pressure pump 1, there is a tank inlet and outlet valve put to death. 2, there is a tank inlet and outlet valve seal bad. 3, there is a cylinder seal loose or damaged. 1, according to the direction of movement of the plunger, hands swinging conditions and sound judgment fault cylinder, remove and clean or with research. 2, supra law determine the fault cylinder. Remove the valve reground or replaced. 3, supra law and observe the cylinder seat scuppers determine fault cylinder leaks, adjust the compression nut or replace the pump seal dwell time is too short or 1 less than the rated discharge pressure, discharge valve leakage on manifold. 2, valve leakage. 3, a check valve in the manifold or valve leakage out of each tank. 4, leaking joints. 1. Close the drain valve or reconfigure research. 2, adjust the spring tension or cleaning the sealing surface or reground valve line. 3, reground or replace the valve and seat. 4. Tighten fittings or replace gaskets. 1 gearbox temperature is too high, low oil viscosity or dirty. 2, the bearing assembly too tight. 3, worm gear meshing gap is too small. 4, the safety valve is not working or the pump load is too heavy. 5, the motor concentricity bad. 1. Adjust the number of oil or oil change. 2, adjust the axial clearance. 3. Check the contact surface mark, re-assembly and adjustment of the worm wheel position. 4, operation or maintenance of a safety valve to prevent overloading. 5, reassemble, adjust the position of the motor axis. Motor overloading 1, pump overload. 2, around poor lubrication. 3, the power supply voltage is too low 4, plunger seal tightly. 1, to avoid overload. 2, supplement or replace the oil. 3, to improve the power supply voltage. 4, appropriate to relax the compression nut. Seven, maintenance and repair 1, the pump looks, gear box and transmission lubricants and water tank inside the testing medium must protect clean, it does not allow dirt and other debris. 2, lubricating oil work the first time, shall be replaced after 56 hours. After every 500 hours to replace. 3, long-term disabled pump, its internal anti-rust treatment should be carried out. First pressure test medium drain. Exposed parts should be coated with anti-rust oil appearance. 4, always pay attention to the worm gear pump axial gap: the worm is 0.04-0.07mm, the worm is 0.05-0.10mm. If you do not comply with this value to be adjusted through cover, cover paper pad or stuffy side cover pad of paper. 5, in the following temperature range 0 ℃ to use, the working medium is water when adding antifreeze. It recommended denatured alcohol as antifreeze. The ratio of the proportion of Table 2. Ambient temperature ℃ 90 ° denatured alcohol% water% 0--103367 -10--20 4555-20--3054 46-30--407030