System commissioning of a wastewater treatment plant includes , and power system testing 5

Review. A sewage treatment plant.

Phase I) automatic control and instrumentation system to be processed

Electrical and automated instrumentation system installation.

At the end, after the inspection is correct, and the design requirements are met, the debugging is carried out according to the principle of layering and partitioning. Layering: Yes.

It is from the on-site process equipment monomer commissioning site.

PLC control cabinet debugging The upper computer of the central control room in the factory area is debugged.

Debugging from the bottom up;

Divisions: That is, six from each site.

PLC substation.

plc100

1-rtu2-rtu1

2-rtu2

2-rtu3

4-RTU is debugged separately, and the above debugging work is completed and conforms to the design document.

pieces, technical data requirements, and system linkage debugging is carried out on the basis of qualified commissioning of single equipment.

Debugging scope of the automatic control system.

Commissioning work includes:

Electrical commissioning of PLC control cabinet;

Signal verification of each controlled device;

PLC control cabinet with independent workers.

Communication and debugging of technology equipment system, PLC

network commissioning; Debugging of software for monitoring and operation of upper computer in the central control room, data server, web server, etc.; Common. gauge debugging.

set of instruments, 58

sets of equipment and dehydrators, blowers, and disinfection pools.

PLC system communication. Move.

Piping system, automatic control system.

Answer]: C This question examines the trial operation of water supply and sewage treatment plants. If the selection of the wide Zen item C is wrong, the online operation time of the whole venue should not be less than 24 hours. Dust.

Answer]: b2021 p188 2020 p187 2019 p189

6) Joint trial operation: (1) The joint trial operation should be carried out with load, and the continuous operation time should not be less than 72 hours, and the equipment should run normally and the performance indicators should meet the requirements of the design documents. (2) During the continuous trial operation, the start-up and shutdown shall not be less than 3 times.

3) The joint trial operation time of the treatment equipment and the pump room unit is generally not less than 6 hours. The trial operation of the water treatment and mud treatment process system meets the process requirements.

Answer]: B This question is the requirement for continuous trial operation of water supply and sewage treatment plants. Requirements for continuous commissioning of water and wastewater treatment plants include:

1) The processing equipment and the single unit of the main room of the pump stall have been running for a total of 72 hours; (2) During the continuous trial operation period, the start-up and shutdown shall not be less than 3 times; (3) The operation time of the joint test bridge book of the treatment equipment and the pump room unit shall not be less than 6 hours; (4) The trial operation of the water treatment and mud treatment process system meets the process requirements.

Answer]: a, b, c, e

p122-124

This question assesses the requirements for the on-line trial operation of the water and sewage treatment plant.

1) According to the process flow, the water connection test operation of each structure one by one is normal.

2) The whole plant is in trial operation and the association is running normally.

3) First, the manual judgment is used to operate, and the structures and equipment are all in normal operation before digging and flushing. before it can be transferred to automatic control operation.

4) The online operation of the whole plant should not be less than 24 hours. (D) 5) Monitor and record the transportation and operation data of each structure.

Therefore, ABCE was chosen

Answers]: c, d, e

p122-123

Main contents: (1) Blind inspection, test and monitoring operation, the equipment is started for the first time, mainly based on the test, and the operation performance is mastered through the test.

2) Record the test situation in full and detail according to the regulations, and organize it into technical data.

3) Correctly evaluate the trial operation data, quality inspection and appraisal data, etc., and establish files.

Answers]: a, b, c, d

2021 2020 edition of the textbook p122 page.

The purpose of the trial operation is 1) to carry out a comprehensive and systematic quality inspection and appraisal of civil engineering and equipment installation, as the basis for project quality acceptance 2) to find the defects of civil engineering and equipment installation through trial operation, and to deal with the blindness of the gods as soon as possible to avoid accidents 3) to assess the correctness of the main and auxiliary machinery associations through the trial operation, master the technical performance of the equipment, and formulate the necessary technical data and operating procedures for operation 4) to carry out some on-site tests in combination with the operation in order to carry out technical and economic analysis, Meet the requirements of safe, low consumption and high efficiency of equipment operation 5) Confirm that the quality of civil engineering and installation engineering of the water plant meets the requirements of regulations and specifications through trial operation, so as to carry out comprehensive acceptance and handover work.