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The birth of the first domestic self-balancing multi-stage pump for mining--Canon Action

As early as 2007, China's coal mines were in a period of rapid development. As the drainage system of the three core safety systems of coal mines, there was no multistage pump specially equipped with it. The multistage pumps used were borrowed from the market. The clean water pumps are closely matched. Due to the complex water quality of the mine underground and the large number of impurity particles, the traditional ordinary clean water pumps cannot meet the requirements of mine drainage well, resulting in a large number of problems:        First, the failure rate is high. Ordinary multi-stage pumps use a balance plate to balance the axial force generated by high-pressure water, which will cause a large degree of wear when starting and stopping. This situation is particularly serious when the water is large and large. , Resulting in low product life and high failure rate, affecting the safety of underground drainage. Second, the anti-cavitation performance is poor. Ordinary multi-stage pumps have been used on a large scale in China for decades. Due to the domestic design and processing and casting capabilities, the anti-cavitation performance of domestic water pumps has always been a short board. The suction range is limited, resulting in the low utilization rate of the coal mine's sump. Third, the response to emergencies is poor. Common multi-stage pumps are all land pumps and cannot be submerged under water for drainage operations. Once a sudden water inrush occurs, the pump house cannot be drained after it is flooded, and it is impossible to carry out mine rescue. . Fourth, the operation is complicated. The drinking water filling operation process of the ordinary multi-stage pump at the start-up stage is complicated. It is generally divided into vacuum filling drinking water, manual filling drinking water, and bottom submersible pump feeding. Once the drinking water is not filled enough, when starting the machine It is easy to damage the balance plate and cause the pump to fail to work normally. The instability of the main drainage pumps in these mines also exacerbated the occurrence of mine flooding accidents. According to incomplete statistics, there were 63 flooding accidents nationwide in 2004, 66 in 2005, 42 in 2006, and 41 in 2007. Vicious accidents have occurred from time to time, showing a high trend. In response to the above-mentioned problems, after careful investigation and summary, Canon Pumps decided to overcome these problems and developed a multi-stage pump for mines in the true sense, contributing to the promotion of China’s mine construction and the reduction of mine flooding accidents. A strength, but also to open up the sky of Canon pump industry in the mining field. So Canon Pump decided to set up a project to develop new products to completely solve the problem of mine drainage and make its own contribution to the national mine drainage business. For this purpose, Canon Pumps has done product research and development in the following directions: 1. Split multi-stage pump: completely solve the problem of excessive axial force of the multi-stage pump causing damage to the balance disc. The pump always works in a state of axial force balance, reducing the failure rate of mine drainage pumps and ensuring safe production in mines ; Solve the problem of poor anti-cavitation performance of multi-stage pumps, increase the utilization rate of the sump, maintain a higher safe water level margin of the sump, better respond to sudden water inrush, and avoid flooding in the pump room. The maintenance is particularly simple, the middle is directly opened, the installation and disassembly are simple, and the maintenance time is greatly shortened. 2, self-priming multi-stage pump; to solve the problem of complicated operation in the stage of multi-stage pump filling and drinking water, the self-priming type is used to fill the drinking water in one step to avoid improper manual operation that causes the drinking water to be turned on and damages the pump. 3. Amphibious multi-stage pump; solves the problem of the failure of the water pump in flooding under the sudden large amount of water inrush, and ensures that the drainage system can continue to perform drainage operations in any state to ensure the safety of the mine. 4. Self-balancing multi-stage pump; solve the problems of high failure rate, short life, unstable working condition, low continuous working efficiency and so on.
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09
2020-04

Canon Pumps resumes work and reaches full production

Time of issue: : 2020-04--09
Recently, China's epidemic prevention and control has achieved important phased results. More and more companies have shifted from resuming work and production to "Danone reaching production", and the depth and breadth of economic activities have clearly rebounded. Analysts believe that to prevent and control the epidemic is to escort the economy, and to stabilize the economy is to fight the epidemic. The warming up of China's economy not only reflects the great achievements China has made in coordinating the prevention and control of the epidemic and economic and social development, but also brings spring glory to the world economy in deep crisis.     Since the resumption of work on February 10, 2020, Changsha Canon General Pump Industry Co., Ltd. has continued to order orders. With the joint efforts of colleagues across the company, the sales task in the first quarter has been overfulfilled. In order to determine the delivery schedule of the ordered products, and the efficient operation of the equipment in the production workshop, the operators perform their duties and work overtime every day.     "Everyone work harder and load the goods quickly on the trucks. In the second quarter of 2020, let us create another glorious future!" On the morning of April 7, five red trailers drove into the Liuyang High-tech Zone Changsha Canon General Pump Co., Ltd., about After half an hour, full load MD580-60 (flow rate 580 cubic meters per hour, single-stage head 60 meters) (with motor and related auxiliary equipment), MD280-65 (flow rate 280 cubic meters per hour, single-stage head 65 meters) (with Motor and related ancillary equipment) self-balancing mine-use wear-resistant multi-stage pump trailer drives the factory door to a large domestic group company.     Join hands and make great achievements together, and work side by side to compose a wonderful life!" Sales Director Yang's words inspire every Canon!     All ready to go     All ready to go   We are committed to meeting customer needs and solving customer problems. We respect professional technology, quality responsibility, performance orientation, teamwork, and abide by our commitments, and we are dedicated to becoming an international leader with excellent quality and good service. We firmly believe that with the efforts of all of our Canon people, in the history of the development of multi-stage pumps, there will be more Canon pump industry records that will be refreshed by ourselves and continue to grow.
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28
2020-05

Strength certification丨Changsha Canon Pumps and Hunan universities help the valve simulation experiment of Baise project!

Time of issue: : 2020-05--28
On May 23rd, Professor Tong Chengbiao from Hunan Agricultural University, Professor Li Zhipeng from Changsha University of Science and Technology, Professor Chen Yifei from Hunan University/Institute of Hydraulic Analysis, Professors from Lanzhou University of Technology and other famous universities and Anhui Hongxing Valve Co., Ltd. visited our company for the Baise project piston valve. Simulation experiment.     he Changsha Canon General Pump Industry Co., Ltd. test center is the only high-pressure pump test station in Hunan authorized by the quality supervision and inspection of hydraulic machinery in Hunan Province, and the only national secondary high-pressure pump test platform in Hunan. The maximum test pressure of our test center can reach 25MPa, the maximum test flow is up to 16000m³/h, the maximum diameter is 1400mm, the supporting power supply is 10KV/6KV/380V, and the maximum supporting motor power can reach 5000KW. Large test pipelines above DN500 are 1400mm, 900mm, 500mm, maximum lifting capacity 20T, rail height 12m. Among them, 8 meters wet pit and 5.5 meters dry pit are prepared with various interfaces to meet the pump installation test operation under the conditions of inverted irrigation. And the test requirements of low-lift axial flow pumps. At the same time, the test station also prepares imported resistance adjustment devices, which can test the cavitation of large pumps.       The pump model used in this simulation experiment is: DKS3600-125*3, the flow rate is as high as 3600m³/h, the head is nearly 400 meters, and the frequency conversion motor power is 5000KW. There is only one manufacturer in Hunan that owns this large flow and high lift pump and test site. The professors spoke highly of our products and services.           The test center adopts a fully automatic host computer measurement and control system, and is equipped with 5 field probes, which can monitor the entire test center in an all-round way. It uses high-precision testing instruments and meters. Sensors and computers are combined to automatically collect, process, and analyze power parameters and fluid parameters. The test results can be automatically displayed, printed tabulations, and drawn characteristic curves. The data of the central control room and the reception room can be synchronized to run and display, and can be remotely synchronized to run witnesses with authorization. We are committed to meeting customer needs and solving customer problems. We respect professional technology, quality responsibility, performance orientation, teamwork, and abide by our promises, and we are dedicated to becoming an international leader with excellent quality and good service. The choice of professors from major universities and Anhui Redstar Valve Co., Ltd. to do simulation experiments in our company is a high recognition of the Canon pump industry. We will also provide advanced technology, first-class products and high-quality services to provide customers with any needs help. is willing to sincerely cooperate with domestic and foreign customers to create a grand blueprint together!
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27
2020-07

Changsha Canon Pumps helps Ningxia selenium gourd harvest!

Time of issue: : 2020-07--27
Since the beginning of summer, the temperature has risen steadily and the heat is hard to come by. In order to continue to do a good job in preventing heatstroke and to ensure the physical and mental health of employees, Changsha Canon Pumps once again sent all employees to know about the heat of summer after the heatstroke prevention herbal tea and daily mung bean porridge- -The selenium sand melon from Ningxia brings the company's care and greetings while sending a ray of coolness.     "The Yellow River Drinking Water Project, Canon Pumps' self-balancing multi-stage pumps dominate." The West Line Water Supply Project in the Arid Zone of Central Ningxia is a national key project. The large-flow and high-lift self-balancing parallel pumps provided by Canon Pumps have changed the traditional multiple pumps. "Relay" water lifting mode, 5 and a half months, the first level water lifting is completed. The project covers 800,000 mu of Ningxia's largest irrigation area, and the distance stretches 40 kilometers. This event has also become the most historic "marking event" in the transformation and innovation of Canon's pump industry.     The project mainly covers two townships, Xingren and Xiangshan, Shapotou District, both of which are deeply impoverished areas with a total population of more than 40,000. There are 5 ecological immigrant villages in total, and there are nearly 10,000 registered poor population. Local precipitation is scarce, evaporation is strong, there are nine droughts in ten years, water resources are extremely scarce, the development of traditional agriculture is lagging, production and living conditions are difficult, and farmers' income is very unstable. After the implementation of the project, it has solved the most important water irrigation problem for local farmers. It is a bumper harvest every year. This summer, the company ordered another 20 tons of selenium sand melons from the local area.       Photos of melon eating sent by the business manager at the watermelon planting site in Ningxia     The administrative department distributes the watermelon to the employees, and at the same time does not forget to send the leader’s instructions and greetings: "Be careful to prevent heatstroke in hot weather." The company’s leaders’ affection and trust are conveyed in a few words, and the employees are excited and inspired. , Which greatly mobilized the enthusiasm and enthusiasm of the employees.     Everyone said: "On such a hot day, the company has sent us crisp and sweet watermelons, which shows that the company is always thinking of us. Thank you for the company's concern and condolences to us. We will definitely make this kind of care and love. Be motivated, work hard, and contribute the most to the company's progress."       "The beauty of the city cannot be separated from the sanitation workers. It is the hard work of the sanitation workers that creates a beautiful working and living environment for us!" Finally, the company representative sent the most hard-working sanitation workers in our city to learn about the summer watermelon. Thank them for their persistence and dedication.
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29
2020-12

Drifting in summer looking for coolness, Canon Pumps is busy sending water.

Time of issue: : 2020-12--29
Liudie Spring Rafting (Liuyang Liudie Spring Grand Canyon Rafting), located in Chunkou Town, Liuyang City, Changsha City, Hunan Province, is the exclusive selenium-rich rafting in Hunan. The drifting channel is located in the Liudie Spring Grand Canyon, the highest peak in Changsha, Shizhu Peak. The total distance is 5.8 kilometers and the total drop is 279 meters. The spring water of the canyon is rich in selenium, cool and clear, the river bed is steep and steep, the two cliffs are beautiful, and there are many waterfalls. The drifting river has a large and dense slope, with a single maximum drop of 18.8 meters and a longest slide of 127 meters. Liudiequan Grand Canyon's good ecological environment and deep and long valley are known as the "Yarlung Zangbo Grand Canyon" in Hunan. Project background: Liudie Spring drifting. Originally, artesian water on the mountain was used for the construction of the scenic spot. Considering the large number of people drifting in the scenic area and the fact that the artesian water on the mountain cannot meet the demand for drifting water in the dry season, we invite our company to conduct on-site exploration and propose the overall fluid transportation solution.   Our technicians inspected the Liudie Spring scenic spot    The leaders of our company attached great importance to this and immediately sent relevant technical personnel to the rafting construction site. According to the demand of the scenic spot and combined with the situation of the site, our company proposes to pump water from the reservoir to the bottom of the drifting glass plank to meet the needs of the rafting project, review and select the pump flow and head, in order to protect the safety of the scenic spot and personnel, step by step measurement arrangement Pipeline direction, and take corresponding measures for sand removal and scenic personnel protection, and try to minimize the amount of work to meet the opening demand of the scenic area as soon as possible.   Measure and arrange the pipeline direction step by step    Site visit    The problem of water transportation has been solved. Liudie Spring has become extremely popular. From 10 am to 4 pm, people go to the drifting in an endless stream. In order to enhance the cohesion of the company, improve the sense of belonging of employees, harmonize the internal relationship of the company, relieve work pressure, and enrich the employees' spare time, our company has also organized drifting activities for employees.   Pump room interior photo    Six·Stack·Spring·Drift·Flow   2020/07/26   The scorching sun is like a fiery heat, and the Canon Corps are all in battle; the natural oxygen bar in Xiangdong Fudi, five major buses are looking for cool! Five buses with more than 200 people set off to the rafting location.    arrived at the destination    Although the water in the deep mountains has a hint of coolness, it still can't resist everyone's fighting spirit and enthusiasm to brave the rapids. The rafting totaled 5.8 kilometers, with a drop of 279 meters. In the face of the turbulent currents, everyone did not flinch at all. In pairs, they resolutely started this intense and exciting drifting journey.    The sun and the moon have no heart to heat up, Canon has love to express its joy. You can't keep the past and present, and you can live up to your time and your life.   This rafting activity fully embodies the spirit of the employees who are not afraid of difficulties and facing difficulties. The company's activities enable employees to relax and strengthen their bodies during their daily stressful work, and enhance the company's cohesion and centripetal force. Everyone expressed their hope that the company can organize more activities with rich content and various forms.
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03
2020-08

Canon Pump Industry Party Branch held a general election meeting

Time of issue: : 2020-08--03
On August 1, 2020, the party branch of Canon Pumps held a general election meeting and organized the theme party day event in August.The election conference kicked off with the solemn sound of "National Anthem". Party members express their love for the motherland, loyalty to the party, and high respect for the Chinese soldiers with sonorous and heroic singing.     △全体起立 奏唱《国歌》     △Comrade Du Xueming, former secretary of the branch, gave a work report   Comrade Du Xueming, the former party branch secretary, made a work report on behalf of the party branch. The meeting passed the "Changsha Canon General Pump Co., Ltd. Branch Committee Election Measures." The official party members elected members of the new branch committee of the Canon Pump Industry Party Branch by secret ballot. Comrade Lai Miaohong, the newly-elected branch secretary, said: The Canon Pumps Party Branch opened a new page on such a holy and special day as the August 1st Army Day. It is the mission of soldiers to accept the call of the motherland at any time, and it is the duty of our party members to always care about the masses. We hope that all comrades will strictly demand themselves by the standards of an excellent party member. The vanguard role of party members should never fade. All party members and comrades coordinate with the branch committee to deepen the party building work to the front line, to be solid, stronger, and detailed.     △ Secretary Lai Miaohong speaks   Comrade Yang Yufeng, deputy general manager of Canon Pumps, expressed determination on behalf of all party members: All party members of Canon Pumps will work diligently and down-to-earth under the strong leadership of the Party Central Committee with General Secretary Xi Jinping as the core, with the spirit of craftsmen, seeking a century-old foundation for the world Contributions to mine safety, people's livelihood and water conservancy construction!     △Facing the party flag     △ solemn oath   All party members reviewed the oath to join the party, did not forget the original intention of the party, and kept in mind the mission of party members. Subsequently, the new party branch committee organized and carried out the theme party day activities of "Protecting Natural Resources and Building Beautiful Homes". Organize learning about geological disaster prevention, farmland protection and other related knowledge, watch farmland protection propaganda videos, and call on all party members to keep in mind that "land is our root, farmland is our lifeline", consciously act, start with me, protect farmland and hold farmland.     △Watch the video on farmland protection All party members study together "Xi Jinping on State Administration (Volume 3)": Promoting the Harmonious Coexistence of Man and Nature (Excerpts), and learn and understand the spirit of General Secretary Xi Jinping’s speech at the Entrepreneur Forum on July 21, 2020, And start the discussion.     △学习讨论     △Speak actively The conference concluded successfully with the inspiring, vigorous and passionate "Internationale" singing.
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27
2020-08

"Finding the original aspiration, keeping the original aspiration, practicing the original aspiration, and taking the revolutionary road"-the red theme education activity of the party branch of Canon Pump

Time of issue: : 2020-08--27
The surging Gan River and the towering Jinggang Mountains. On this red land, the Chinese Communists represented by Mao Zedong ignited the sparks of the revolution, opened up a road to success for the Chinese revolution, and cultivated the Jinggangshan spirit passed down from generation to generation. From August 22 to August 23, 2020, the Changsha Canon Pump Industry Party Branch organized all party members and party activists to return to Jinggang Mountain to carry out the red theme education activities of "seeking the original aspiration, keeping the original aspiration, practicing the original aspiration, and retaking the road of revolution" , Relive the history of the revolution, remember the revolutionary martyrs, accept the red baptism, and inherit the revolutionary spirit.     In the Jinggangshan Revolution Museum, through texts, pictures and videos, everyone learned about the history of the Jinggangshan War of Resistance and the deployment of the war, and reviewed the moving deeds of the revolutionary ancestors who fought bloody battles in the extremely difficult environment of revolutionary struggle. I deeply feel the spirit of the martyrs who dare to be the first and unyielding; the dedication spirit of not forgetting the original aspiration and the courage to move forward; the patriotism of looking for a way out and dedicated to the people. That inspiring history has been imprinted in the heart of every comrade.           Luo Faxiang, chairman of Canon Pump, and Lai Miaohong, secretary of the party branch, together with all party members and activists, presented wreaths to the revolutionary martyrs, bowed in silence, and expressed their remembrance and admiration. Although the revolutionary martyrs lay in Jinggangshan forever, their revolutionary stories have been widely circulated. The revolutionary will and revolutionary spirit will always inspire future generations, and it is worth learning and passing on.         "The flags under the mountain are in sight, the drums and horns of the mountain hear each other...The sound of artillery on the Huangyang boundary is reporting the enemy's night escape." All party members enthusiastically recited Mao Zedong’s poem "Xijiang Moon·Jinggang Mountain" in the revolutionary spectacle commemorative area, and felt the heroic spirit of the revolutionary soldiers who fought bravely and fought bravely in fighting against the enemy more than 90 years ago, expressing their deep respect and inspiring Patriotic passion. The terrain of Huangyangjie is treacherous, surrounded by high mountains and ridges, and there is a danger that "one man must be the gate, but no one can open." In the autumn of 1928, the Fourth Army of the Chinese Workers' and Peasants' Red Army defeated the invading enemy in one fell swoop and successfully defended the security of the Jinggangshan Revolutionary Base. All party members re-take the path of the Red Army's picking grain, experience the arduous journey of Red Army soldiers picking grain, and carry forward the revolutionary spirit of hard struggle.           The two days of study were over, but everyone’s feelings were hard to calm down, and they all expressed their thoughts in the WeChat group of the party branch: “As we in the new era, we must inherit the revolutionary spirit of the martyrs and carry forward the glory of the older generation of proletarian revolutionaries. Tradition is to learn from the selfless dedication spirit of revolutionary martyrs who are not afraid of hardship, tiredness, hardship, and sacrifice. They must love life, work actively, become a better version of themselves, and cherish the happy life in peaceful times." "We must keep in mind the history and the party. Well, as a party member, one should not forget the original aspiration, keep the mission in mind, be willing to contribute, regardless of gains and losses, conscientious, pioneering, enterprising, and innovative in life and work, and truly set up an exemplary vanguard role."... Luo Faxiang, the chairman of the board, expressed his mind directly and wrote: "Return to Jinggang Mountain" The towering Jinggang Mountain, the red cradle, Gengzi climbed again in the golden autumn, and felt the difficulties of the ancestors again; Canon Pumps, thirty and seven years, the beginning of reform and opening up, the original intention has not changed; Focus on multi-stage pumps, never deviate, mine water conservancy and chemical engineering, multi-fields are in harmony; It coincides with the new era, the prosperity of the people and the tranquility of the country, the revitalization of industry and the service of the country, our generation must go first.     This is a spiritual baptism that does not forget the original intention, and it is a gathering of strength to keep the mission in mind. The Jinggangshan spirit is the source of the revolutionary spirit of the Chinese Communists and the extremely precious
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22
2020-10

Canon Pump successfully held the 2020 Autumn Fun Games

Time of issue: : 2020-10--22
The autumn is high and the air is refreshing, the sweet osmanthus is fragrant, and the Mid-Autumn Festival coincides with the National Day. In order to celebrate the festive season and welcome the National Day, enrich the company's amateur cultural life, improve the physical quality of employees, enhance team cohesion and centripetal force, and build a "harmonious enterprise", the party branch of Changsha Canon General Pump Co., Ltd. and the company's labor union were held on September 30 2020 Autumn Fun Games. Canon Pumps founder Mr. Luo Qiushi, Chairman Luo Faxiang, Supervisor Pi Shaolin, General Manager Luo You, Legal Counsel Li Youming and other leading guests attended and served as referees of the Games. More than 200 employees formed 11 teams to participate in the competition. Mr. Luo Faxiang, Chairman of Canon Pump Industry, delivered an opening speech, warmly welcome the guests and athletes, and asked the athletes, hoping that the 11 participating teams will follow the spirit of "safety first, competition second" in the competition. In the process, they played their strengths, showed their style, achieved results and friendship, and announced the official start of the sports meeting.     The teams first displayed their style, walked across the rostrum and shouted their team names and slogans. The tidy steps and loud slogans of the athletes showed the high morale, passionate fighting spirit and determination of the Canon employees.           The competition officially started. The three competitions of "Double Dragon Play Ball", "Invincible Hot Wheels", and "Interesting Relay" took place one after another. Although the events were simple, they were full of fun. It requires close cooperation and mutual cooperation of all the team members, but also needs to be avoided as much as possible. Mistakes, time grabbing, and speed first.                       The tug of war brought the sports meet to a climax. With a whistle, the athletes on the field worked together and tried their best. The cheerleaders outside the field cheered for nine days. This contest of power has integrated the on-field and off-field into one; this tug-of-war rope has tied everyone's hearts tightly together.         11 representative teams competed brilliantly in the four competitions and achieved good results. The present leaders and guests presented certificates and bonuses to the representatives of the winning teams, and presented commemorative prizes to all employees participating in the Games. Every employee has a bright smile on his face.         At the end of the sports meeting, Luo Qisheng, general manager of Canon Pumps, made a concluding speech. He emphasized that with the joint efforts of all employees, the 2020 Autumn Games of Canon Pumps was held successfully. I hope everyone will be indomitable, united, and courageous. The spirit of the company will be used in the future work to realize Canon's new transcendence. In addition, the company has built indoor courts and activity rooms, and has also purchased a lot of sports equipment for everyone to use. It is hoped that all employees can exercise for one hour a day and achieve a healthy life for a lifetime.  
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