Frequently Assembly of Chemical Education Valve Demolition

1. System function

(1) Understand the external and internal structures and characteristics of various valves, and understand the working principles, characteristics and usage scenarios of mastering different types of valves.

(2) Carry out different valve position cognition and correct operation tr--ning.

(3) Operation tr--ning for correct installation and replacement of different valves.

(4) Master the basic skills of ordinary mechanical assembly, master the disassembly skills of common valves, and learn the replacement method of mechanical seals for the valve.

(5) Understand the safety operation specifications and precautions during the disassembly process of the valve.

Second, system configuration order

(1) Equipment configuration form

Number of serial number device name Equipment size units

1 Frame carbon steel spray plastic material, 100 × 1200mm. Set 1

2 Pipeline DN25, st--nless steel. Several meters

3 Ball valve flange DN25, st--nless steel. Platform 1

4 Dead -December valve flange DN25, st--nless steel. Platform 1

5 Gate valve flange DN25, st--nless steel. Platform 1

6 Butterfly valve flange DN25, st--nless steel. Platform 1

7 One -way valve flange, DN25, st--nless steel. Platform 1

The industrial hydraulic comprehensive experimental table is a experimental designed based on the characteristics of modern teaching and the latest hydraulic transmission course teaching outline. It adopts advanced Loser's hydraulic elements and unique modularization, forming a convenient system combination of insertion to meet the experimental teaching requirements of students from colleges, secondary majors, and vocational technical schools. Handling, design and comprehensive application ability improved and strengthened the purpose of students' innovative design ability.

1. M--n features:

1. The system uses standard industrial hydraulic components, which is safe and reliable and close to industrialization.

2. Fast and reliable connection methods, special sealing interfaces, ensure that the experimental assembly is convenient and fast, disassembled without oil leakage, and clean.

3. Accurate measuring instrument, convenient measurement method, simple use, accurate and reliable measurement.

4. Use compilation controller (PLC) to communicate with microcomputer to achieve electrical automation control, online programming monitoring and fault detection.

① Basic circuit experiment of hydraulic transmission:

1. Pressure circuit of overflow valve

2. The decompression circuit of the pressure decompression valve

3. The load load load on the directional valve

4. The load -loading circuit of the pilot overflow valve

5. Slotting valve inlet oil inlet Small speed adjustment circuit

6. Slotting valve return oil -reinforcement speed adjustment circuit

7.

8.

9. Slotting valve transformer swing speed adjustment circuit

10. Speed valve transformer swinging speed adjustment circuit

11. Electrical itinerary switch sequence action circuit

12. Use PLC to control the hydraulic circuit and system