The vibration of the G-type single-screw pump body and several other minor problems are solved. The reason is that the inlet valve is closed and the suction is not sucked, the oil pump is not installed firmly or the oil pump is installed too high; the motor ball bearing is damaged; the oil pump shaft is bent or the motor shaft Different types of heart, non-parallel and other G-type single-screw pump body vibration and several other minor problems are solved: the inlet valve is closed and the suction is not oiled, the oil pump is not installed firmly or the pump is installed too high; the motor ball bearing is damaged; the oil pump The spindle is bent or not concentric with the motor shaft, and is not parallel.
Treatment method: Install the oil pump or reduce the installation height of the oil pump; replace the motor ball bearing; correct the curved oil pump spindle or adjust the relative position of the oil pump and the motor.
Drive shaft or motor bearing overheating:
Cause: Lack of lubricating oil or broken bearings.
Treatment: Fill with oil or replace the bearing.
The oil pump does not produce oil:
Cause: The pump body and the oil suction pipe are not filled with oil; the oil level is lower than the oil pump oil pipe; the oil pipe is broken.
The sealing surface between the screw and the housing is a spatial curved surface. There is a non-sealed area such as ab or de on this curved surface, and a plurality of triangular notches abc, def are formed with the groove portion of the screw. These triangular indentations form a passage for the liquid, allowing the active screw groove A to communicate with the grooves B, C on the driven screw. The grooves B and C are wound along the spiral to the back and communicate with the grooves D and E on the back. Since the grooves D, E and the groove F (which belong to the other head spiral) are joined to each other, there is also a triangular notch a'b'c' similar to the front surface, so D, F, and E will also communicate. In the case of Botaibang, the groove ABCDEA also forms a “∞â€-shaped sealed space (if a single-head thread is used, the groove will be screwed in the axial direction, and the suction and discharge ports will be penetrated to form a seal). It is not difficult to imagine that on such a screw, a plurality of independent "∞"-shaped sealed spaces will be formed, each of which occupies an axial length exactly equal to the lead t of the tired rod. Therefore, in order to separate the screw suction and discharge ports, the length of the threaded section of the screw is at least greater than one lead.
Product/
://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
CPF-D series ClO2 generator is flow
rate control on-site generating system. It can add clo2 aqueous directly to
water pipe with simple, safe, reliable, stable operation. It can adjust the
dosage of clo2 aqueous through receiving 4-20mA signal provided by the flow
rate sensor. The way of clo2 producing: 5NaClO2+4HCl = 4ClO2+5NaCl+2H2O. Technology: Use sodium chlorite and hydrochloric
acid as raw materials, transmission of raw materials through two metering pumps
to the reactor, produce the concentration of more than 95% of high-purity
chlorine dioxide solution added to water for disinfection. It can automatically
adjust the dosage of clo2 solution through flow control and residual chlorine
display system. When lack of raw materials, the liquid level alarm system will
give audible and visible alarm signals and automatically cut off the power
supply of equipment. The entire control system use PLC as the core, on-site
parameters setting through the touch screen and remote control through the computer,
to realize high-performance automated management of Disinfection System. Raw
materials conversion rate is more than 95%.
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