If you're new here, you may want to subscribe to my RSS feed. Thanks for visiting! GN Solids Control is the largest manufacturer of mud processing equipment in the industry. The recently developed mud tank washing system has been on the market for nearly 2 years and has been highly evaluated by customers. The cleaning system is light and convenient, saving labor and timeliness. Sex, cleanliness and cleanliness have a more outstanding performance. Efficient cleaning of multiple mud tanks during on-site use can replace the normal cleaning work of three shifts, saving labor and efficiency and saving energy.
The GN Solids Control GNTC-30B automated wash tank system is a closed loop system for continuous cleaning of mud tanks, tanks, and chemical tanks. The washing tank system supplies clean water to the high-pressure washing machine installed on the mud tank, and the combined pump pumps the sewage back to the washing tank system for filtration and separation, and the clean water is sent back to the high-pressure washing machine for further circulation. With GN Solids Control’s tank washing system, water consumption can be reduced and labor costs can be reduced. The GNTC-30B automated tank washing system can handle up to 30 m3/h.
GNTC-30B main technical parameters:
1, clean water storage volume: 7.5 m3
- Sewage treatment capacity: 30 m3/h
3, system size: 3499x2758x3207mm
4, system weight: 6500 KG
5, the total power: 26.5 Kw
6, the number of pumps: 1 sand pump; 1 vacuum pump, 1 pneumatic diaphragm pump
- The system contains the necessary motor and electronic control. The Chinese explosion-proof standard can be applied to the explosion-proof of Zone I.
The GNTC-30B workflow is as follows:
1) Centrifugal pump (10) Extract clean water from buffer tank (8), supply high pressure washing tank equipment (2) for cleaning mud tank (1). 2) Vacuum pump (4) Extract waste water from mud tank (1). Install a filter (3) between the mud tank (1) and the vacuum pump (4). It is used to filter coarse particles and protect the pump and desilter in the system to reduce wear. 3) The vacuum pump (4) pumps the sewage to the desilter (5) for separating fine particles. 4) The fine particles separated by the mud remover (5) are pumped into the cuttings box (9) through the diaphragm pump (7). 5) The clear water overflowing from the mud remover (5) will enter the inclined plate settlement (6) , further remove precipitated solids. 6) Clear water separated from the sloping plate settlement (6), overflow into the buffer tank (8) 7) Diaphragm pump (7) Conveying the sloping plate (6) Separated sludge containing large particles is transported to the cuttings box ( 9)
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With the development of petroleum industrialization, the pollution problem brought by the drilling process has received more and more attention. At present, there is no recognized effective treatment process suitable for drilling waste liquids in China, mainly because of the wide variety of drilling fluids and working fluid systems, complex compositions and different usage conditions. Techniques that result in waste fluids for a particular type or region of an oil field are not necessarily suitable for use with other types or regions of waste. In addition, compared with the current comprehensive level of sewage treatment in the petroleum industry, the treatment cost of drilling waste liquid and wastewater is relatively high, and the treatment effect is general. Overall, the current drilling wastewater treatment technology is still far from satisfactory.
Mainly manifested in:
- The efficiency of the treatment agent is not high, resulting in failure to meet the standard
2, the treatment method is single, the ability to remove pollutants is limited, and it is impossible to cure the problem
3, the continuity processing device is not targeted, the processing cost is high, and the treatment plan is popularized in a large area.
In summary, no matter which treatment technology has a certain range of application, the limitation is strong. Therefore, the method selection should be based on the nature of the abandoned drilling fluid produced by each oil field and the geography, climate and environment of each oilfield. In order to more effectively optimize the drilling wastewater pollution problem, GN Solids Control believes that future research efforts should not only strengthen the source and process control, but also develop new technologies. Specifically, there are the following aspects:
- Promote clean production and cure the symptoms first
- Develop low-cost, high-performance environmentally friendly drilling fluids
- Development of new drilling fluid water treatment agent and unified technology
- Develop a new technology for harmless comprehensive utilization
- Strengthen management control and strengthen process supervision
- Optimize for different project design plans based on actual conditions
The main core equipment of the system is vibrating screen for high-G shale shaker and high-speed decanter centrifuge (according to the situation with 20-foot flocculation dosing system to improve the treatment effect of the centrifuge), and the system supporting feeding screw pump and armoring treatment. Tank, agitator, etc. According to the specific requirements of the customer for the discharge, make targeted adjustments to ensure that the discharge meets the customer’s expected treatment effect.
The clean production drilling fluid purification equipment developed by GN Solids Control can effectively reduce the generation of drilling waste, reduce the amount of waste liquid generated by 30~50%, effectively reduce the cost of harmless treatment, and minimize the Environmental pollutants are produced.
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Since the successful development of the oily sludge treatment system in 2014, GN Solids Control has successfully cooperated with nearly 16 companies worldwide and has sold nearly 30 units/set of oil-containing sludge treatment systems of 2 to 20 cubic meters per hour.
The containerized oily sludge treatment system is composed of a containerized system specially designed by GN i designers in combination with years of experience in oily sludge treatment systems, and the production of GN Company in the manufacture of oily sludge treatment system equipment. The department adopts the industry-leading pickling, passivation and hot-dip galvanizing process, and adopts high-pressure airless spraying equipment to greatly improve the wear-resisting and anti-corrosion effect of the product itself.
GN oily sludge treatment system adaptation area:
1) Waste tank bottom sludge, oil sands, oily sewage generated by crude oil tank clearing tank construction;
2) sludge, oil sands, etc. from the abandoned oil pool of the refinery;
3) Waste oil-based drilling fluid produced by oil and gas drilling, on-site floor sludge, oil sands, etc.;
The containerized oily sludge treatment system produced by GN is customized according to customer needs. This system mainly consists of oily sludge vacuum pump, premixed tank, shale shaker system, centrifuge separation system, dosing flocculation system, oil-water separation system, Oil tanks, water tanks, containers, etc., oily sludge contains a large amount of oily benzene, phenols, strontium, barium and other odorous toxic substances. GN Company uses centrifugal separation to centrifuge oily sludge. The two phases are separated, and the separated liquid phase is an oil-water mixture. The oil-water mixture is then transferred to a three-phase disc machine for oil-water separation. After the customer has specified the relevant parameters in the previous process of dewatering of the oily sludge, the temperature of the oily sludge, the amount of the breaker and the flocculant are used, which is more conducive to the GN technicians’ handling of the containerized oily sludge treatment system. technological design
Special note: Oily sludge is passed through GN mechanical separation equipment and needs to be combined with suitable chemicals and heat treatment. Different materials and different chemical agents will have different actual processing amounts and treatment effects. There may be deviations in the throughput of the device from the amount of drug used.
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Hebei GN Solid Control is a professional manufacturer of drilling mud solid-control equipment. It currently produces equipment in more than 70 countries and regions around the world, providing mud solid-control equipment for drilling services for dozens of oilfield service providers around the world. . The after-sales service has a global radius, responding 24 hours a day to customers around the world, and fulfilling the after-sales service commitment within 72 hours. Four important branch structures have been established around the world, with the United States, Russia, Dubai, and North Africa as parts supply and after-sales services.
Next, we will introduce a very simple and practical part of the mud mixing system:
1. Armoured mud tank device: size 8000*2600*2200mm, volume 20 cubic meters, armored design for transportation and hoisting and mobile construction projects. The round mud mixing tank has no dead angle design, the mud is evenly stirred, and the mud condition is beneficial to the drilling construction service. It includes convenient design such as ladders, walkways, guardrails, manifolds and valves.
2, mud pump/centrifugal pump/sand pump: GNSB6 * 5C-13J, motor power 45kw, delivery capacity 150 cubic / hour. The main purpose is to transport the mud to carry the mud material in the funnel into the mixing tank.
3. Mud mixier: GNSLS045A, mainly used for adding dry powder mud materials.
4, mud agitator: GNJBQ075DD, motor power 7.5kw, speed 60 rev / min, double impeller, mainly the mixing and miscibility of the dry powder slurry material and water.
5. Electronic control system: It is mainly to control the explosion-proof control system of the above equipment that needs mud mixing work.
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Since the successful development of the oily sludge treatment system in 2014, GN Solids control has successfully cooperated with nearly 16 companies worldwide and has sold nearly 30 sets of oil sludge treatment systems of 2~20 cubic meters per hour. Among them, domestic central enterprises have successfully cooperated with 5 sets of large-scale sludge treatment systems to serve high-polluting sites of oily sludge in China and abroad. In the construction operation, the product performance is stable, the operation economy is good, and the operation and maintenance are easy to be praised by users.
GN oil sludge treatment system adaptation field:
1) Waste tank bottom sludge, oil sands, oily sewage generated by crude oil tank clearing tank construction;
2) sludge, oil sands, etc. from the abandoned oil pool of the refinery;
3) Waste oil-based drilling fluid produced by oil and gas drilling, on-site floor sludge, oil sands, etc.;
The above mentioned oil sludge oil sand refers to a mixture of oil, water and solid. In order to treat the sludge and recover the oil and water, it is necessary to separate the oil, water and solids. At the same time, it is important to dispose of the solids at a lower cost and recycle as much oil as possible. The GN sludge treatment system heat-separates the sludge by adding sludge treatment chemicals, and then solid-liquid separation into oil, water, solid and other products, and separately processed, recovered, and discharged without pollution.
The main equipment in the system includes: shale shaker, centrifuge, chemical dosing unit,etc
GN oily sludge treatment system process:
- Dispose of the oily sludge through a sludge vacuum pump to the heating premixing device.
- Add chemical agents to the heating premixing device for dilution, emulsification, etc.
- The prepared sludge is transported to the GN screening device through a slurry pump for coarse filtration treatment. The liquid is subjected to fine separation treatment in the subsequent step, and the solid is subjected to a harmless treatment in the subsequent step.
- After the sieving treatment, the sludge is heated and modulated, and then enters the ultra-high-speed separation device for fine separation treatment.
- After the separation, the liquid enters the three separation devices and is subjected to three separation treatments of oil, water and mud; the solids enter the post-process and are harmlessly treated.
- After the three-phase separation is completed, the oil and water are separately stored, and the solid is further heated and modulated, and then separated.
Special note: Oily sludge is passed through GN mechanical separation equipment and needs to be combined with suitable chemicals and heat treatment. Different materials and different chemical agents will have different actual processing amounts and treatment effects. There may be deviations in the throughput of the device from the amount of drug used.
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GN Solid Control is a well-known centrifuge manufacturer with state-of-the-art manufacturing processes and advanced domestic and international processing technology. The manufacturing precision of advanced imported processing equipment guarantee equipment in Taiwan, Germany and Italy has reached international standards. Mainly involved in the industry: drilling fluid solid control treatment, waste mud treatment, industrial wastewater treatment, oil slag separation, municipal sewage purification engineering, mining wastewater treatment, river dredging and so on. It is especially suitable for liquid-solid two-phase or liquid-liquid − it is suitable for liquid-solid separation where the solid particle size is small, the solid-liquid two-phase density difference is small (solid-liquid phase specific gravity difference >O.05), and separation is difficult. Solid, liquid-solid-solid three-phase separation, so it has been widely used in modern industrial processes, widely used in chemical, food, light industry, paper, mining and other industrial fields.
Some parts features and advantages:
1, auger
The main function of the screw feeder is to transport sediment and provide drainage channels. The structure, materials and parameters are not only related to the production capacity and service life of the centrifuge, but also directly affect the efficiency and separation effect of the slagging. The machine adopts a column/conical spiral, which consists of a spiral blade, a mandrel, a spiral-shaped end shaft, etc., and is supported on the drum-sized end cap by bearings on both ends of the journal, and the bearing is lubricated with grease.
Important parts are made of 2304/2205 duplex stainless steel.
The spiral blade is inlaid with replaceable wear-resistant alloy sheet, which shortens the service life of the pusher and reduces the maintenance cost. The acceleration cone of the mandrel is equipped with a replaceable alloy slurry outlet wear sleeve, mandrel. The acceleration cone is equipped with an acceleration strip to improve the treatment effect. The use of open-cell spiral blades improves the clarification effect.
2, the host base
It mainly plays the role of supporting and installing the whole rotary system. It also plays the role of vibration damping and vibration isolation together with the vibration isolator to reduce the propagation and influence of the vibration of the centrifuge to the external environment. The integrated steel structure welding machine base supports the whole rotating body (consisting of drum, spiral, differential, etc.) through the bearing seats at both ends, and the split-type sealed stainless steel collecting box covers the entire rotating body and is installed on the machine base. The elastic vibration isolator is installed at the bottom of the base, and the sensor cable is arranged on the bottom of the base. The main and auxiliary motors are arranged at one end of the base, and the inlet pipe is arranged at the other end. The whole layout makes the whole machine compact in structure, small in floor space and convenient in maintenance.
3, bearing housing
The bearing housing is divided into a large end bearing seat and a small end bearing seat. The bearing housing body is cast by cast iron, and the bearing inner ring is respectively mounted on the large and small end cover. The entire rotating body rotates in the two main bearings, and is lubricated by circulating oil. A special seal is used on the side.
In order to ensure the best separation effect for customers, GN Solid Control has been striving to improve production technology, improve design and provide customers with the most reliable products.
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written by GN solids Control
GN is a major centrifuge manufacturer with state-of-the-art manufacturing processes and advanced domestic and international processing technologies. The manufacturing precision of advanced imported processing equipment guarantee equipment in Taiwan, Germany and Italy has reached international standards. Mainly involved in the industry: drilling fluid solid control treatment, industrial wastewater treatment, waste mud treatment, oil residue separation, municipal sewage purification engineering, mining wastewater treatment, river dredging and so on. It is especially suitable for the solid solution with small particle size, small solid-liquid two-phase density difference (solid-liquid phase specific gravity difference >0.05), and the integration scheme of liquid-solid separation occasions where separation is difficult. It can also be used for separation between liquids or between liquid and solid. It has been widely used in modern industrial processes, and is widely used in chemical, food, light industry, paper, mining and other industrial fields.
Some parts are characterized by:
1, auger
The screw ejector is the core component of the centrifuge. Its main function is to transport sediment and provide drainage channels. Its structure, materials and parameters are not only related to the production capacity and service life of the centrifuge, but also directly affect the efficiency and separation of slagging. effect. The machine adopts a column/conical spiral, which consists of a spiral blade, a mandrel, a spiral-shaped end shaft, etc., and is supported on the drum-sized end cap by bearings on both ends of the journal, and the bearing is lubricated with grease.
All important parts of the GN solid control centrifuge are made of 2304 duplex or 304/316 stainless steel.
The spiral blade is inlaid into a replaceable wear-resistant alloy piece, which can extend the service life of the pusher. The acceleration cone output port of the mandrel is equipped with a replaceable alloy grinding port wear-resistant sleeve, and the acceleration shaft of the mandrel is equipped with an acceleration. Strip design can improve the processing effect. The use of open-cell spiral blades improves the clarification effect.
2, the host base
It mainly plays the role of supporting and installing the whole rotary system. It also plays the role of vibration damping and vibration isolation together with the vibration isolator to reduce the propagation and influence of the vibration of the centrifuge to the external environment. The integrated steel structure welding machine base supports the whole rotating body (consisting of drum, spiral, differential, etc.) through the bearing seats at both ends, and the split-type sealed stainless steel collecting box covers the entire rotating body and is installed on the machine base. The elastic vibration isolator is installed at the bottom of the base, and the sensor cable is arranged on the bottom of the base. The main and auxiliary motors are arranged at one end of the base, and the inlet pipe is arranged at the other end. The overall layout of the GN makes the machine compact, small footprint and easy to maintain.
3, bearing housing
The bearing is grouting to ensure the stable operation of the centrifuge. The bearing seat is divided into a large end bearing seat and a small end bearing seat. The bearing housing body is cast by cast iron, the bearing inner ring is respectively mounted on the large end cover, and the whole rotating body is in two main bearings. Internal rotation, lubrication with circulating oil, labyrinth seal on both sides of the bearing.
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GN solids control’s oversized drum 30-inch GNLW764A horizontal screw centrifuge is sold to the Australian mining industry. This Australian customer ordered two sets of oversized drum 30-inch GNLW764A horizontal screw centrifuge. The oversized drum 30-inch GNLW764A horizontal snail The centrifuge is an Australian customer who has chosen to cooperate with a number of horizontal and horizontal centrifuge manufacturers at home and abroad.
The oversized drum 30-inch GNLW764A horizontal screw centrifuge produced by GN solids control is widely used in oilfield waste treatment, mining industry and shield waste processing industry. Up to now, the oversized drum 30 inch GNLW764A horizontal screw centrifuge is used in various industries. There have been many successful use cases in the field, and customer evaluation is very high.
During the on-site use, the oversized drum 30-inch GNLW764A horizontal screw centrifuge separates the material from the bentonite mud through efficient and continuous separation. After that, the mud water returns to the mud-water loop and is reused. The GNLW764A decanter centrifuge has a large diameter, a high aspect ratio and a separation factor of up to 3000G, which enables a larger throughput and discharges a clearer liquid. GN can provide a flocculation dosing system for chemistry according to customer requirements. The auxiliary decanter centrifuge separates the mud to obtain clean water that can be discharged. GNLW764A horizontal screw centrifuge speed, differential speed, liquid pool depth flexible adjustment to adjust the slag dry humidity.
GN can produce various types and length-to-diameter ratio centrifuges to meet the needs of customers in various industries from small to large. Welcome customers to visit GN’s factory to visit and discuss cooperation.
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With the maturity of the mud-free market, more and more customers are using GN solid-control vertical cutting dryers. Since the dryer is a high-speed operation equipment like decanter centrifuge, it requires high internal parts and it is especially important to carry out necessary maintenance and maintenance on a regular basis. The following is a brief introduction to the daily maintenance and maintenance of the dryer.
After the first use of the dryer for half a month, the new oil should be replaced. Every other month, the oil filter net is cleaned with kerosene once, and the oil contamination and deterioration are checked. The oil change time is determined according to the oil quality. The maximum length cannot exceed six. Months. When replacing the new oil, the oil pipe, oil filter net and fuel tank should be cleaned. If the oil filter net is worn or damaged, replace the new oil filter net and check the tightness of the oil pipe. Check the oil level every two weeks (through the oil mark), and add new oil when the oil quantity is insufficient.
The main motor and oil pump motor are lubricated separately with grease. The motor grease is replenished every 2,500 hours. The grease is recommended according to the manual.
During the working process, if the oil temperature is too high, the oil pressure is low or high, and the oil quality is deteriorated, stop the machine immediately.
Inspection and routine maintenance
Daily routine inspection content:
- Whether the vibration of the dryer is abnormal;
- The temperature of the main bearing, normal temperature T ≤ 90 ° C;
- Whether the screws of each component are loose;
- Whether the slagging and slurrying conditions and the slurry line leak slurry, and whether the inlet and outlet are blocked;
- Whether the lubrication system has oil leakage or abnormality.
If there is any abnormality in the above inspection, it should be stopped immediately for processing.
Check the content regularly:
- Check the tightness of the narrow V-belt every 1000 hours of operation, too loose to adjust; wear should be replaced;
- Every 1000 hours of operation or excessive vibration, check whether the parts of the equipment are loose, check whether the sensors are connected reliably;
- Every other month, the oil filter is cleaned with kerosene once, and the oil contamination and deterioration are checked. The oil change time is determined according to the oil quality, and the maximum time cannot exceed six months;
- Check the oil level every two weeks (through the oil mark), and add new oil when the oil quantity is insufficient;
- Push and pull the scraper handle every two hours to prevent slag.
In addition, if there are special circumstances, it is necessary to stop the inspection in time to find the cause of the problem and avoid further spread.
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The GN solid-controlled armoured waste slurry treatment system is a circulating purification and armor treatment system for waste mud designed and manufactured by GN engineers according to the user’s requirements and according to the customer’s requirements for the treated mud. The main core equipment of this system is GNZS594E-HB for coarse particle screening or high-speed decanter centrifuge with same level shale shaker and GNLW363C-VFD (with 20-foot flocculation dosing system to improve the treatment effect of centrifuge), and system Supporting feed screw pump, armor processing tank, agitator, etc. According to the specific requirements of the customer for the discharge, different flocculating agents can be adjusted to ensure that the discharge meets the customer’s expected treatment effect.
System composition and parameters:
The system has two warehouses: one is a premixed screening bin, and the other is a centrifuge liquid collection bin; the entire system is centrifuged to remove most of the solid particles above 2 μm.
The premixed screening bin is equipped with a stirrer and heating pipeline to ensure sufficient mixing of the feed and improve the mixing degree of the demulsifier. The same four can be used together with other equipment.
System design mud processing capacity: 30 m3 / h, adapt to the environment: -15 ° ~ 50 °
Adapt to mud viscosity: ≤45 S
Adapt to climatic conditions: rain, snow, fog weather.
Continuous operation at rated power for improved work efficiency.
Working height range: It can work normally at altitude ≤ 2500 m, and it can work effectively when the altitude is ≥ 2500 m.
All equipments in the system are mature technology new products, and the technical performance meets the relevant requirements of SY/T5612-2007 “Code for Design of Solid Dose Control Equipment for Petroleum Drilling Fluids”.
The actual principle requirements of the whole system: the whole machine is reasonable in design, compact in structure, flexible in combination, advanced in technology, convenient in operation and maintenance, and safe and reliable in performance.
The system is easy to dispatch, transfer and transport, and can meet domestic and international road transport regulations.
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