Product Quality Management Regulations

Product Quality Management Regulations

Chapter 1 General

Under the difficult economic conditions and the difficult market sales, coke prices have been declining continuously. The competition in the same industry is becoming increasingly fierce and the quality of products is the key factor for product participation and competition to enter the market. In order to ensure the implementation of the quality policy of our factory, we have achieved the quality approval of the products, and fundamentally solved the quality problems. We must establish a quality system, improve the quality of the system, focus on the establishment of a stable production process to ensure product quality, from the entire process of production to ensure product quality. Use the necessary means to inspect, supervise and evaluate all aspects of production, do a good job of information feedback, and correct it step by step. Seriously implement the iso9002 standard, improve the production management system, and implement quality control measures. The following detailed rules for quality management are formulated. It is hoped that all units of the whole plant will mobilize all employees to review the provisions of the implementation rules and implement the quality of the products to ensure the quality of the products.

Chapter II Quality Plan

1. The sales department will report the product grade, quality requirements and project sales volume of the market to the technical department, and promptly feedback the market information.
2. According to the production process requirements of our factory, the technical department must not only ensure the quality of coke, but also meet the production and gas consumption of the bureau and mine, and combine the production cost to formulate a production proposal.
3. The Raw Materials Department provides the required proportion of coal samples according to the proposed plan, and the quality inspection center conducts a comprehensive analysis, including the gel layer test.
4. The technical department issued a plan, and the quality inspection department implemented the iron box test with several schemes to conduct a comprehensive analysis of the quality indicators of the coal blending.
5. The engineer organizes the technical department, the quality inspection center, the raw material department, the raw material warehouse, the coke oven workshop, the coal washing workshop, and the analysis and proposal plan, and indeed formulates specific implementation plans.
6. The raw materials department will import coal into the required coal quality according to the determined process plan. It is strictly forbidden to enter the factory with unqualified coal. The raw material warehouse has the right to refuse any unqualified storage coal.
7. The raw material warehouse, coal receiving, coal blending, coke oven, etc. shall be pre-stage batch test according to the determined scheme.
8. It is required that the coal blending bin and the original coal type of the coal tower should be used up as much as possible in the first day of coal blending. The coal mine after the change plan is used for the warehouse. The preliminary test is to match the coal in one day and one coking cycle time.
9. The quality inspection center supervises and implements the whole process of the test, and timely analyzes, tests and timely feedbacks the produced coke.
10. Engineers, technical departments, and quality inspection centers meet to analyze and correct and determine to invest in normal production.
11. After the plan is determined, all units must be consistent in the whole test process, and the production operation should be implemented strictly according to the new plan. Otherwise, the unit will not be executed in time for a fine of 50-100 yuan.

12. Once the quality plan is determined, it shall not be arbitrarily changed. When changing the quality plan, a quality process management plan must be formulated. After approval by the chief engineer and the production plant manager, the relevant departments shall issue the plan.

Chapter III Production Process Plan

1. The sales department provides the number of planned sales and the sales quality of coke, and the quality requirements of the market.
2. According to the sales volume, the technical department plans to sell the coke grade, and combines the production process of our factory to formulate the proposed plan, a number of furnaces per day, b proportion of coal, c into the coal quality index, d coking time, e process operation management .
3. Determine the optimum furnace temperature by experiment, determine the coal plan, measure the center temperature of the coke cake in the coke oven workshop to determine the optimal furnace temperature, measure the gas temperature in the furnace space, and measure the exchange interval and cooling temperature on both sides of the machine coke.
4. The technician of the coke oven workshop collects the above measurement results, determines and prepares the coke oven heating, including the standard temperature, the gas flow of the whole furnace and the machine side, the gas pressure of the gas, the suction of the flue, and the suction of the top of the standard regenerator.
5, develop a temperature system, determine the standard temperature, horizontal temperature, burner fire temperature, k an, k are.
6. Develop a pressure system, gas supervisor, combustion system pressure manifold pressure, etc.
7. The quality inspection center will promptly feedback the problems found in the whole process, inspection, implementation and assessment so as to be corrected by the collective review, and the unit that cannot be executed according to the program is fined 50-100 yuan.
8. The determined changes, production, production, production system, heating system, temperature system, and pressure system are put into use after being approved by the leaders of various units, production technology departments, chief laborers, and production plant managers.

Chapter IV Management Measures for Raw Coal

1. The production operations prepared by the technical department, after the quality proposal plan is corrected according to the procedures in Chapters 2 and 3, after the approval of the leaders of the competent factories and relevant departments, the raw materials department plans the required coal types according to the recommendations. The quantity and quality of the market were investigated by the market, sampled back to our factory, and delivered to the quality inspection center for comprehensive analysis and verification of each coal type. After confirmation by the production technology department, the factory leader determined to enter the coal as required.
2. After the single coal type is qualified, the iron box test and the gel layer test are carried out on the coal.

After passing the test, the raw materials department began to organize large quantities of coal.
3. The quality inspection center must sample the raw coal entering the factory, and the vehicle should not be sampled at more than 5 vehicles for a comprehensive analysis. Under normal circumstances, no more than 5 vehicles will be sampled for the single coal in the factory. In the afternoon, a comprehensive analysis of the total sample.
4. According to the analysis report form, the quality inspection center will issue the quality inspection certificate according to the quality inspection measures and assessment methods of the No. 16 file of Yancoal Gas Model 1999.
5. If there is quality fluctuation in the coal entering the plant, the raw materials department should contact the coal supply unit in time, stabilize the coal quality through rectification, and check the raw materials department and limit the rectification time of the raw material department.
6. For coal supply units with unstable coal quality, it is necessary to carry out parking tests and fines. If the coal quality cannot meet the requirements of our factory, the coal supply qualification should be cancelled.

Chapter V Raw Material Library and Coal Farm Management

1. The raw material warehouse shall accept and unload coal according to the coal standard and storage standard determined in the quality plan, and it is strictly forbidden to enter the factory.
2, the raw material warehouse must establish two books, "raw coal into the factory account" detailed records, a few times a day into the coal, each into a few cars, car number, how many tons, the date of the plant, where to unload, and the quality inspection center The test list is controlled. The administrator should know how many tons of coal quality are accumulated. The second account is how many tons are used in the few days of the original coal and coal use account. When is the coal used? How many tons of coal each, and to form a leading relationship with coal blending, is not allowed to use casually.
3. The raw material warehouse should be based on the type and quantity of coal in the operation plan, the convenience of entering and leaving the vehicle, the use of new and old coal recycling, etc., and the rational use of the coal yard site, and do not change the label.
4. The process of raw coal entering the plant, the raw material warehouse is unloaded in two cases: (1) newly ordered coal or several types of coal with continuous fluctuations in quality, no coal unloading after entering the factory, sampled by the quality inspection center After the test, the vehicle will be unloaded. When it is unqualified, it will be reported to the relevant factory leaders, and the relevant departments will review and put forward the handling opinions. (2) The normal supply of coal unloading trucks shall be unloaded in places other than the large piles of this coal to be tested and analyzed, and then pushed into large piles.
5. Coal unloading must be sorted according to coal type, piled up in piles, and the same type of coal should be piled up in order of entering the plant, which is convenient for recycling. The coal types should be piled up neatly, and the confusion should be absolutely forbidden. The spacing between the coal piles should be more than 3 meters apart. If the coal is to be changed in special circumstances, the original site must be thoroughly cleaned and cleaned before the new coal can be discharged.
6, the parking test failed to come to the coal firmly pulled away.
7. For unqualified coal that has not been parked, but has been discharged into a large pile, it must be stored in separate piles. If it cannot be piled up, it must be marked.
8. During the process of unloading coal, the original coal warehouse management personnel must personally go to the scene to find out the location of the coal car number and coal type command unloading. If the coal type is unknown, the car number is wrong or there are more impurities in the coal, there is doubt on the coal quality. Timely report to the dispatching, quality inspection center, and raw materials department, and the quality inspection center will verify and put forward the handling opinions.
9. The coal yard management personnel must have a plan to arrange the use of coal in a sequential order to rationally recycle the old and new. It is absolutely forbidden to use coal on the same day. In the case of coal coming, the use of coal should be well-informed. The quality inspection center should regularly analyze the coal quality changes of various coal types in the coal yard. It is absolutely forbidden to push other impurities and any materials and equipment in the coal yard. Miscellaneous items must be taken off duty.
10. In order to know the coal quality changes in the coal yard. The storage period should not be up to 20 days before the specified period. The coal pile sampling test should be comprehensively analyzed to determine the changes of various indicators. If the change is large, the iron box test has no coking and can be determined as metamorphic coal treatment.
11. The coal yard and the coal blending coal should form a lead system, and the coal pits should use the bills to lead the coal to the coal yard. The coal yard administrator arranges the coal according to the coal quality requirements of the coal receipts.
12. The coal yard administrator must implement the above provisions, causing coal errors in irresponsible work, and deducting 50-100 yuan per time.

Chapter VI by coal

1. The transportation workshop is subject to the coal handling procedure according to the matching notice issued by the technical department to the raw material warehouse. The coal storage yard management is responsible for directing the coal loading on the loader according to the requirements of the coal used in the transportation workshop.
2. In special circumstances, if the coal type or coal yard is not enough, the notice signed by the technical department and the engineer must be used to generate coal. It is absolutely forbidden to take coal and use coal at will.
It is absolutely forbidden to use the coal on the same day, otherwise it will find 50-100 yuan for the person responsible for the penalty.
3. The coal miner should contact the two belts at the top of the coal blending tower. First, on the coal, how much, which coal tower is in use, the transport workshop is full of a coal bunker and then a coal bunker. Wrong or confusing, otherwise find a deduction of transport workshop 50-100 yuan.
4. The coal required by the loader is placed in the coal pit. The coal miner must check whether it is the coal to be used. The coal must be removed from the coal. If there is an abnormality, report to the dispatcher. After the completion of the project, clean up the site and shovel the remaining coal back to the original pile to get the second one. Otherwise, the site will not be cleaned and the remaining coal will be put into the second bin to receive coal. The fine is 50-100 yuan.

Chapter VII Coal Blending

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Bsp; 1, the top of the coal blending tower, the bottom must be marked with a sign indicating what coal is placed in each of the four coal towers, under normal circumstances does not change the coal type of the coal storage tower. If the special situation changes, the tower must be cleaned up before the new coal can be applied. Under normal circumstances, the towers should be thoroughly cleaned once a month to ensure that the inner edge of the tower is smooth and clean, and the coal in the tower does not deteriorate.
2. A lower blackboard should be hung in the lower part of the coal blending tower, clearly indicating the matching requirements on the day, and the coal quantity of coal should be adjusted to the coal machine gate. The use of the notice should be used to verify the quick release of coal. Whether the width of the shutter is accurate. Moreover, it is necessary to measure the change in time or not every two hours during the coal blending process. The coal blending error is not allowed to exceed 5%. The quality inspection center must check the metal inspection time three times a day. Anyone who finds that the transportation workshop is not allowed to pay a fine of 50 yuan.
3. In the coal blending process, the coal blender and the belt driver must stick to the post and find that the coal feeder has a blockage or uneven coal should be disposed of immediately. It is absolutely forbidden to match the ratio or the single coal type, otherwise it will find 100 yuan for the one-time transportation workshop.
4. During the coal blending process, the various impurities and vermiculite screened by the feeder under the coal blending tower must be immediately removed, otherwise a fine of 50 yuan will be imposed, and the total coal volume of the three belts after several coal blending can be smoothly eaten by the crusher. As a matter of course, it is not allowed to smash coal at the inlet of the crusher. Always remove iron slag, gun line and other debris on the iron. Otherwise, it is found that the driver of the three belts is 50 yuan at a time. The sanitary or sundries in the belt corridor and the crusher room are prohibited from falling onto the belt, otherwise it will be found once. The charge is 50-100 yuan.

Chapter VIII Crusher

1. Only after the crusher is started, can the coal be mixed. It is not allowed to enter the coal tower without the crushed coal. The driver of the crusher is found to be 100-200 yuan.
2, must set up a special person to look after the crusher twice per shift screening test must ensure that the coal below 3mm between 75-80%, when the screening does not meet the requirements, timely report to the dispatching room and technical department, notify the maintenance workshop to adjust maintenance Or replace the hour. Otherwise, a one-day delay of 50 yuan for the transport workshop. The quality inspection center should check the screening test assessment from time to time.
3. After the coal is finished every day in winter, the inside of the crusher should be thoroughly cleaned once. The coal is not allowed to freeze on the inner wall of the crusher and the funnel, which will affect the normal use of the next shift. Otherwise, the driver of the crusher will be 50 yuan.

Chapter IX Quality Inspection
1. For the coal entering the factory, the vehicle must be sampled by the vehicle. The maximum number of samples of the vehicle must not exceed 5, and the sample should be analyzed and tested by the supervisor on duty. For a kind of coal to be made into a gel layer every ten days, for abnormality. Coal is required to be measured every two days.
2. Each class will check the ratio more than three times;
Perform a test on the crusher screen daily;
Make a comprehensive analysis of the incoming coal twice a day, and make a gel layer once every three days.
Daily coke was analyzed twice, once in the morning and in the afternoon.
Each coal of the coal yard is analyzed once every half month to grasp whether there is any change in coal quality.
The coal bunker ratio is tested once a day. The coal sample is taken from the coke oven workshop and sampled from the coal loading car. The quality inspection center takes the total sample for testing.
3. All analysis should promptly feedback the information to the factory leaders and relevant departments to make decisions, find out the reasons for the unqualified items in the analysis results, implement the responsibilities, and put forward treatment opinions, rectify within a time limit, and the dispatch will notify, otherwise each Less analysis of a deduction of 50 yuan, artificially caused a penalty of 100 yuan, analysis report information feedback is not timely deducted 50 yuan.
4. The samples must be taken in accordance with the Standards for the Preparation of Samples.
5. The quality inspector of the quality inspection center shall conduct inspections and inspections on the provisions of the previous chapters, especially the important control points. The inspections shall be conducted four times a day, and the problems that arise shall be promptly reported to the factory leaders and relevant departments. Otherwise, the remaining form of inspection is not in place, the assessment is not strict, and the fine is 50-100 yuan each time.
6. For the change of various indicators of coke on the day, we must find out the reasons for implementing the responsibility. The quality inspection center should strictly inspect the production process to ensure the stable quality of the process.
7. The quality inspection center conducts a comprehensive quality inspection and analysis on the contents and requirements stipulated in the quality implementation rules every week, and issues the relevant units in the form of three-sets, criticizing and penalizing the quality of the problems that repeatedly affect the problems, and carefully assessing them. Correction in time, otherwise the inspection is not strict and the penalty is 50-100 yuan each time.

Chapter X Quality Indicators, Process Indicators No.1, Quality Requirements for Metallurgical Cokes of Our Factory:
Second, the quality requirements for coal into the furnace:
Third, the coke oven process indicators:
1#, 2# coke oven standard temperature: machine side: 1260 ° C, focal side: 1280 ° C
3# coke oven standard temperature: machine side: 1290 ° C, focal side: 1310 ° C.
Coking time: 11 hours and 30 minutes, the rest of the inspection, operation and process indicators are carried out according to the Coking Regulations.
Three major coefficients of coke oven: k3>0.9 k are >0.85 kA>0.8
Fourth, with the quality of coal:
Fineness of coal into the furnace: 3mm

The following 75-80%, coal blending ratio error <5%
Fifth, the quality of raw coal:
Sixth, raw coal storage standards:
Chapter 11 Tracing the Quality Accident

1. When the coke quality index is inconsistent with the normal standard, the quality inspection center shall report it in time and organize the reason.
2. All occurrences of qualified laboratory indicators must be promptly notified to the relevant departments to take measures.
3. The raw materials department shall report the situation and punishment to the unqualified coal importation index at the next day dispatch meeting, and submit the fine to the financial execution.
4. All kinds of quality accidents should be traced in the same way as the safety accidents.
5. The quality inspection center will take the lead in organizing the departments involved in quality and related responsible persons to participate in the tracing. For the large-scale quality accidents, the engineers will take the lead in organizing and tracing, and the leaders will participate.
6, based on the coke quality analysis list, feedback information sheet self-design → coal quality → coal yard management → coal, coal blending → coke oven process a link to find a link, from the various chapters of the implementation rules check, which link Which part of the link is responsible for the mistake and which part of the penalty.
7. Analyze the causes and lessons of the accident in detail, and formulate preventive measures to deal with the responsible persons accordingly.

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