Sewage treatment work summary

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In 20___, under the great attention of the district government and the correct leadership of the head office, with sewage treatment as the core, the control process was optimized, the equipment was carefully maintained, laboratory analysis was carried out carefully, and the system was ensured The operation is stable, various tasks have achieved significant results, and various work goals have been successfully completed. The work of Shiyang Company in 20___ is now summarized as follows:

1. Overcome difficulties to ensure that the tail water discharge reaches the standard

Whether the sewage treatment system is operating stably and whether the tail water discharge reaches the standard It is the core of our work and the top priority.

The water inflow has been on the rise throughout 20___, especially since April 20___, the water inflow has increased sharply, reaching the design load of 50,000 tons of processing capacity. Starting from August, the water volume increased to 60,000 tons, the system was overloaded, and the load factor reached 120. The company overcame unfavorable factors such as large water inflow and long duration, and adjusted the process plan in real time to ensure stable operation of the system. A total of 206,000 tons of sewage were treated throughout the year, with a load factor of 109, an increase of 1.77 million tons compared with 20___.

Main indicators of effluent: COD: 17.1mg/l (standard value ≤ 60mg/l), BOD: 5.3mg/l (standard value ≤ 20mg/l), SS: 5.1mg/l (standard value ≤20mg/l), total phosphorus: 0.63mg/l (standard value ≤1.0mg/l), ammonia nitrogen: 0.3mg/l (standard value ≤8mg/l), fully meeting the "Urban Wastewater Treatment Plant Pollutant Discharge Standard" It meets the national first-level B standard, with no accident exceeding the standard, and most of the indicators are better than the national first-level A standard.

2. Perform due diligence and strengthen equipment maintenance and management

Equipment is the core of the sewage treatment system, and good equipment operation is the key to sewage treatment work. This year is the company's fifth year of uninterrupted operation. Equipment has entered a period of frequent failures, and equipment maintenance work is increasing day by day. In 20___ ***, more than 60 equipment maintenance and troubleshooting were completed. At the same time, the foundation reinforcement of the propeller in the oxidation ditch, the repair of the weir gate and the oil change of all propellers and mixers were completed; the support of the inclined conveyor was improved, and an external cooling fan was added to the surface exposure machine of the core equipment. Cooperate with the equipment manufacturer to complete fine grille repairs and conveyor auger replacement work.

This year, in order to strengthen the maintenance and repair work of underwater power equipment, we drew on the experience of the municipal drainage company and reported to the district government for approval, using outsourcing methods to complete 11 professional maintenance and repair work, so as to promote the The mixer, mixer and water pump are kept in optimal working condition all year round to ensure stable operation of the system. In accordance with job responsibilities, the Equipment Department adheres to the "three essentials" of equipment management.

That is, first, we must insist on daily inspections, keep good records, and eliminate problems in a timely manner. Second, we must adhere to regular equipment management meetings, focus on analyzing the causes of failures, and make timely rectifications to prevent the same failure from happening again. Third, we must strictly control maintenance costs and strive to have in-factory repairs for parts that require maintenance. Over the past year, the equipment utilization rate has been 85% and the equipment integrity rate has been 100%. While ensuring the optimal operation of the equipment, the Equipment Department strengthens the safety management of power transformation and distribution, assigns a dedicated person to be responsible for the company's power management, regularly inspects electrical testing tools and fire-fighting equipment, and promptly reports and handles hidden dangers if they are discovered. Regarding the problem of excessive voltage at night affecting the safety of equipment operation, we reported to the district power supply department many times to coordinate the substation and adjust the voltage in the interval. Through the unremitting efforts of the Equipment Department, the company's electricity environment has been improved, ensuring the safe and stable operation of the equipment.

Unattended and remote control is a brand new course. With the construction of seven supporting sewage lifting pumping stations, they have been put into use.

After research by the production office meeting, a dedicated person is assigned to be responsible for the daily operation and management of the pumping stations. They conduct weekly inspections and security inspections of the seven pumping stations to understand the operating status of each pumping station and rationally allocate the increased water volume to ensure stable and efficient operation of the system.

3. Work diligently to complete the water quality analysis task

Laboratory analysis of incoming and outgoing water quality is an important basis for adjusting sewage treatment process parameters, requiring timeliness, accuracy, and objectivity. Laboratory personnel overcame difficulties such as heavy workload and large number of water samples, and accurately and timely analyzed water samples more than 10,000 times throughout the year. At the same time, seven sewage lifting pumping stations were tracked and sampled for water quality analysis to provide detailed and accurate water quality data for system operation.

The laboratory not only accurately records various laboratory data and reports laboratory results promptly and correctly, it also stores more than 10,000 laboratory data and archives more than 100 original records. There was not a single case of erroneous data or a single missed water sample throughout the year. The annual water quality analysis work was successfully completed. In terms of hazardous drug management, we strictly follow the company's management system and arrange dedicated personnel and special accounts for management. For highly toxic drugs, they are stored in a centralized and designated location, and designated personnel are arranged to take them. The use declaration process is strictly implemented, and the dosage and purpose of use are clearly recorded to prevent the loss of toxic and harmful drugs and ensure the safety of laboratory drugs.

4. Be conscientious and responsible and complete the sludge dehydration work

The concentrated, dewatered and discharge of remaining sludge is an important part of the entire production. The sharp increase in water inflow not only increases the operating burden of the treatment system, but also increases the working pressure of the sludge dehydration workshop. In order to ensure the normal operation of sewage treatment, after research by the production office meeting, the sludge dehydration workshop was separated from the central control room and a workshop leader was appointed. Starting from January this year, the shifts of the sludge decementation workshop have been readjusted, from the rotation system to the dedicated personnel and dedicated post system. Over the past year, the staff in the sludge dehydration workshop carefully prepared and accurately dosed the sludge dehydration equipment, and skillfully operated the sludge dehydration equipment to successfully complete the sludge dehydration work. The sludge moisture content is controlled within 78.5, reaching the assessment target of less than 80 moisture content set at the beginning of the year. 6,390 tons of sludge left the factory.

While doing a good job in daily sludge concentration and dehydration, we also strengthen the registration work such as purchase, consumption and inventory of dehydration agents and phosphorus removal agents and the organization of production ledgers. Actively cooperate with the central control room to complete the dosing of phosphorus removal agents, adding 60 tons of agents and more than 2,400 bags throughout the year; cooperate with the equipment department to complete equipment emergency repair work, more than 20 times.

5. Refined management to safeguard sewage treatment work

The company has always followed the concept of management to produce performance and management to produce benefits, and puts management work in the first place.

In terms of daily work management, the company also attaches great importance to employees’ professional knowledge and business skills learning. This year, the company has completed 5 trainings, mainly covering four aspects: safety production equipment repair and maintenance, fire safety, and system operation. One person was selected to participate in the self-monitoring training organized by the Hubei Provincial Environmental Protection Department, and one person was selected to participate in the senior laboratory technician training and obtained the "Senior Laboratory Technician" certificate.

The company attaches great importance to safety production, regularly organizes safety knowledge learning, regularly organizes safety work inspections, and holds regular safety production meetings. The safety management system has been re-refined and the safety emergency plan has been improved. Achieve timely discovery of safety hazards and timely rectification. Through the joint efforts of the entire company's cadres and employees, production safety work has been further strengthened, and production safety work has met production requirements. Over the past year, the company has had no personnel safety accidents and no production safety accidents.

6. Existing problems and next work plan

In 20___, the company overcame many difficulties and successfully completed the annual work tasks. Although certain results have been achieved, there are still some problems in the work.

1. Due to the long-term overload operation of the treatment system, the biochemical system is unstable and the effluent quality fluctuates greatly.

2. Seven sewage lifting pumping stations have been put into operation one after another, and the existing personnel lack experience in the operation and management of the pumping stations.

3. The final sludge disposal process suitable for our company has not yet been found, and the remaining sludge cannot be properly disposed of.

In response to the above problems, our company plans the following:

1. Increase the frequency of water quality analysis, adjust the process plan in real time, further improve the activity of the biochemical system, and ensure that the tail water discharge meets the standards.

2. In response to the shortage of technical personnel, the company plans to recruit professional and technical talents from the society, and at the same time strengthen the skills training of existing personnel to prepare for the operation and maintenance of the pump station and the second phase of reconstruction and expansion. .

3. The final disposal of sludge is not only a problem faced by the company, but also a major problem faced by Hedong City and even the whole country. Our company plans to find a path suitable for our company's sludge disposal from the four aspects of sludge composting, incineration, drying, and carbonization to achieve the goals of sludge reduction, harmlessness, stabilization, and resource utilization.

In 20___, all employees of the company worked together as one and worked hard to ensure that the system operated stably, tail water discharged up to standard, and all tasks were successfully completed. In the new year, our company will, as always, go all out, redouble its efforts to complete various tasks, and strive to deliver a satisfactory answer to the people of our district. Summary of Sewage Treatment Work II

In 20___, under the care and guidance of leaders at all levels of the company, the guidance and cooperation of various departments and operating units of the company, and the dedicated efforts of all employees, the sewage treatment plant was implemented in accordance with the The company's development plan has successfully completed the work tasks for 20___. The main work of the sewage plant in 20___ is now reported as follows:

In 20___, no major accidents or personal casualties occurred. There are no fire safety incidents in the responsible area. No major traffic accidents occurred. Equipment, facilities, property, and materials are safe, and no economic losses occur.

Main work completion and results:

1. Completed the preparation of operating procedures

The sewage plant was put into trial operation in November 20___. Due to the lack of system operating procedures as technical support. To this end, in 20___, the sewage plant completed the preparation of the first draft of operating procedures based on operational needs. In the first half of this year, based on the first draft and in accordance with the company's requirements, it underwent multiple revisions and finally completed the operation The preparation of procedures has been reviewed and issued by the company.

2. Promote the development of the main responsibility year activities

1. Decompose the safety production goals of the sewage plant and clarify safety responsibilities

Follow the company's regulations on the safety production of the sewage plant The objectives were decomposed, and responsibility letters were signed step by step, clarifying the responsibilities that each employee should bear in the annual safety production work of the sewage plant. At the same time, in accordance with the provisions of the production safety responsibility system, the sewage plant has decomposed the safety production responsibilities of each position in the sewage plant in accordance with the requirements of "one post, two responsibilities", stipulated the safety production responsibilities of each position, and the assessment standards, and clarified and assigned the personnel of each position Safety Responsibilities. Ensure clear production safety goals and clear responsibilities. Make safety work enter the "normalization and standardization" mechanism.

2. Completed the identification of hazard sources in the sewage plant, prevention and control measures and the revision of the on-site emergency response plan

In 20___, according to the company’s work arrangement, the sewage plant completed the on-site hazard identification Source identification and prevention and control measures and the preparation of on-site emergency response plans. In April 20___, in accordance with the company's requirements and changes in the on-site environment, the sewage plant once again organized employees to discuss hazard source identification and prevention and control measures. Based on the discussion, the sewage plant completed the revision of hazard source identification and prevention and control measures. Work. In November, according to the company's requirements, the sewage plant completed the revision of the on-site emergency response plan.

3. Completed the preparation of the sewage plant hidden danger checklist

The sewage plant has conducted in-depth inspections in accordance with the work requirements of the main responsibility year and based on the nature of the company's production and operation, process equipment, risk levels and other actual conditions. After identifying dangerous and harmful factors in the sewage plant, under the guidance of the company's leaders, we formulated a safety hazard inspection list at the factory level and team level, clarifying the inspection content, inspection cycle, responsible departments and responsible personnel, etc. Implemented a list of hidden danger investigation items. In combination with the contents of the hidden danger checklist, the annual target responsibilities of employees are refined, and the job responsibilities and safety responsibilities of employees are clarified, so that each job in the list has a clear person responsible for it, and the responsibilities are implemented to personal.

4. Developed inspection standards for equipment and facilities

Based on the integrity standards of equipment and facilities, the sewage plant has formulated inspection standards for equipment and facilities, and clarified the quarterly inspection of each equipment. , monthly and daily inspection items and integrity standards. Each employee conducts equipment inspections according to inspection standards. Enable employees to be able to check, report, and correct hidden dangers during safety inspections, as well as "when to check and what to check."

5. Hidden hazard investigation, treatment and equipment maintenance

According to the company’s hidden danger investigation and management system and the work needs of the sewage plant, a hidden danger investigation and management plan and responsibility system have been established to form a All employees and the entire process are investigated for potential safety hazards. Employees are organized to conduct potential hazard investigations every month. Based on safety management priorities, seasonal characteristics, holidays, etc., the person in charge of the sewage plant leads a team of all employees to participate in the investigation of potential safety hazards. For the hidden dangers identified, the responsible person and time limit for treatment were clarified, and they were dealt with in a timely manner. We have achieved regular inspection and treatment of hidden dangers.

In terms of equipment maintenance, the sewage plant completed inspection and maintenance tasks in accordance with the established annual inspection and maintenance plan. After the spring inspection, based on the characteristics of each piece of equipment, the equipment maintenance acceptance standards were formulated, and the items that need to be inspected during the maintenance process, the integrity standards, the standards that need to be met for maintenance, and the use of spare parts were made into spreadsheet. In future maintenance work, employees only need to work according to the contents of the table to complete the maintenance and acceptance of each equipment, which not only reduces the workload, but also provides a basis for future maintenance work.

3. Sewage treatment system operation

In May, the sewage plant put the sewage treatment system into operation in accordance with the requirements of the company and the Environmental Protection Bureau. In order to ensure that the effluent water quality reaches the standard as soon as possible, the sewage treatment plant has tried various solutions, but the effect is not obvious. In August, according to the company's arrangement, the 1 and 2 # filters were renovated. At present, the transformation work has been completed and the operation debugging and biofilm cultivation stages are underway. At the same time, the sewage treatment plant completed the docking work with the third-party operating unit on June 22, completed the construction of the online monitoring station in accordance with the requirements of the Environmental Protection Bureau, and realized the uploading of online monitoring data. In October, without the guidance of the equipment manufacturer, with the efforts of all operating staff of the sewage treatment plant, after many tests and summaries, the debugging and sludge removal work of the sludge dewatering machine was completed. Mud can be discharged normally.

4. Strengthen employee skills training and continuously improve the professional quality of employees

The sewage plant carries out safety production education and training in accordance with the company's "Safety Education and Training System". It mainly includes safety procedures, management systems, responsibility systems, hazard source identification, safety education for new employees (transferred), emergency plan training, etc., and organizes employees to watch accident case videos, conduct comparative learning and discussions, and follow the " Compare and sort out the three aspects of "systems and procedures, operating environment, and personnel education" and draw inferences from one example to other cases. At the same time, we should do a good job in evaluating the effectiveness of training and continuously improving it to continuously improve employees' safety awareness and business skills.

5. Plant area greening and beautification work

In order to do a good job in greening and beautifying the plant area, the sewage treatment plant formulated a plant area beautification improvement plan in April. On both sides of the road entering the plant Malan, golden-leaf elm, dianthus and jujube trees were replanted on the west side of the backwash tank, both sides of the filter and around the workshop.

And according to the needs of greening maintenance in different periods, personnel are organized to carry out relevant work, which effectively ensures the smooth progress of the greening work. Through the joint efforts of employees, the environment of the sewage plant has been greatly changed.

6. In terms of party building work

The sewage plant closely follows the pace of the company’s party committee and strengthens party building work in the sewage plant. In addition to actively participating in various activities of the party branch, a party building work display board was also produced in the sewage plant and employees were mobilized to actively move closer to the party organization. Currently, all employees of the sewage plant have submitted applications for party membership to the party organization.

7. Existing deficiencies

1) In terms of archival data: there are incomplete records of safety meeting records, training and learning materials, hidden danger rectification materials, etc., and some data have not been formed Closed loop management.

2) Employee training: First, skills training lacks pertinence and cannot effectively improve employee skills. Second, the training on documents and systems issued by the company is not in place, resulting in employees not understanding the requirements for clear records and procedures during the implementation of documents and systems issued by the company, resulting in the inconsistency of various records and materials. Complete.

3) Employees have insufficient awareness of execution and have inertia. Although some employees are clear about the implementation requirements of documents and systems, due to the existence of inertia, there is opportunism and learning in the implementation process, and they actively lower the implementation standards. As a result, relevant work was not completed in accordance with the company's requirements.

Eight. Main points of work in 20___

1) Adopt various effective methods to ensure that the effluent water quality reaches the standard, especially after the transformation of 1 and 2# filters, during the operation and commissioning stage , it is necessary to continuously accumulate debugging data and propose operating procedures that adapt to the actual situation on site.

2) Carry out safety culture construction in sewage plants

Set up corresponding safety concept placards at key locations, key positions, and near production sites, equipment, and facilities with potential for safety hazards , warning signs, messages from relatives, etc.

Promote safety concepts. By carrying out activities such as uniform safety attire, posting slogans, watching warning educational videos, and themed safety learning. Create a group atmosphere and realize the safety concept of "taking pride in obeying rules and disciplines, and being ashamed of violating rules and disciplines". Continuously improve the safety cultivation and safety awareness of sewage plant employees, improve their safety behaviors, and make up for the shortcomings of safety management methods, so that employees can transform from a passive implementation state of having to obey the management system to one that proactively and consciously takes actions in accordance with safety requirements to achieve Automatic management from "heteronomy" to "self-discipline".

3) Understand the skill needs of employees in depth, formulate an annual learning plan that is consistent with the actual situation of the sewage plant, carry out various training methods, and conduct targeted employee training to ensure the timeliness of the training work sex.

4) Continuously strengthen employees’ execution awareness and capabilities so that employees can complete relevant work in accordance with the company’s standards.

5) Continuously improve the organization of archives and materials to ensure the completion of safety production standardization standards in 20___.

6) Complete the elimination and maintenance of equipment and facilities and the technical transformation of the sewage plant in 20___.

7) Continue to do a good job in the greening maintenance of the sewage plant and the beautification of the factory area.

8) Complete the security work of the sewage plant to ensure that no personal injury or theft of items and materials occurs.