GN mud agitator

Drilling mud mixer is used in order to maintain uniformity of drilling fluid and solid particles suspension, and for continuous and reliable drilling mud of drilling fluid solid control system.
GN oil drilling fluid JBQ series mud agitator under 5.5 kW adopt cycloid reducer, JBQ series mud mixer is suitable for oil drilling fluid mixing, compact structure, cover an area of an area small;More than 7.5 kW drilling mud mixer adopts turbine worm reduction drive, has big transmission torque, smooth operation, reliable work, etc.Commonly used mixer model for JBQ5.5, JBQ7.5, JBQ11 and JBQ15.mud agitator shaft
JBQ mud agitator purposes and characteristics
JBQ series mud mixer adopts circular cylindrical worm reducer, shaft section for circular cylindrical worm, turbine tooth profile for round with turbine phase conjugate.So the concave and convex tooth and reliable performance, high efficiency, compact structure.
JBQ series mud mixer reducer combined with explosion-proof motor, easy maintenance, suitable for field use harsh operating conditions.
JBQ series slurry blender mixing intensity big, wide scope, and reduces the starting resistance.
Horizontal JBQ series mud agitator motor, installation, adjustment, easy to change.
Our company is specializing in the production of oil drilling fluid blender manufacturer, welcome customers to inquire.
Mud agitator installation and maintenance
1, the slurry blender when installation should be lifting mixer and placed in the position of the desire to install smoothly, adjust the coaxial degree < 0.39 mm will be 4 M16 hole only after welding on the tanks, fixed and tighten mounting bolts.
Rigid coupling must be equipped with 2, mud agitator trampoline and should be solid and reliable, otherwise it will cause a wave wheel shaft deflection, intensifying gear wear and tear.
3, mud agitator operation should be the same in the ring, cassettes, the high temperature anomalies.Otherwise should stop check, troubleshooting.
4, mud mixer reducer oil level height should be kept in the central visual oil window position, the work can often make up of lubricating oil.It is recommended to use 120 # industrial gear oil.When the site can not meet, also can use other size appropriate lubricating oil

GN vertical cutting dryer lubrication system maintenance

YLS machine is continuously lubrication system. With Timer, it can also used for intermittent lubrication. The lubrication viscosity between 30 ~250 cSt, new lubricating oil is required
Spit pressure can be max. 15kgf/cm². To protect the system peripheral, relief valve is equipped to keep the stability of lubrication system. When the oil level goes down the min, the lubrication system will give Alarm signal, or stop the dryer via external controller.
adding oil: Open the cover and add the clean lubricating oil, to 80% in oil level, then cover it. Only GN appointed lubricating oil or equivalent oil can be used
oil pipe connection: Take the casing pie cap and casing pipe out, put it on the oil pipe. Then, insert the oil pipe into the connection to avoid oil leakage.tumblr_m5a7omfwgO1qmyjkk
installation of power and alarm: Loose the screw and take out the cover of wire, there is pressure signal and level signal underside. There is a fixed head to fix the cable nearby. Rotate out the fixed head and get the cable through. Push it into wire cover and then fix the cable.
Connect the pressure signal and level signal. When the level close to Min. level, the level signal will give alarm; when the oil pressure reach to 2.1 kgf/cm², the pressure signal breakover.After finish the connection, cover the cable, fix the fixed head. If all the connection iscorrect, the lubrication system will work.
Note: the pressure switch and level switch is not ex-proof. Customer can do some actions to make it ex-proof.
pressure adjustment: Loose the screw of adjustment valve, (EX-works 15kgf/cm²), switch on the power. When the oil flow out 5~10s, then tighten the adjustment valve

Decanter centrifuge Installation and operation

GN solids control decanter centrifuge Installation
Centrifuge installation
1). Choose suitable lifting device and sling.
2). Cranes and slings can not bear excessive load, regular check shall be given to the slings so as to ascertain whether they are in good state.
3). The hall be checked before lifting to ensure that the strength of the sustained centers meet the requirement of hoisting.
4). Make sure the installation platform is firm enough to bear adequate weight.
5). Remove all the traportation protection device (bowl fixing belt, fasten belt and fixing bolts).
6). Connect inlet and outlet pipelines (use flexible joint for connecting point), overflow pipe, and solids discharge slot.
7). Connected with power supply (Switch controller between control panel and power supply is necessary to ensure safety of wiring).
Electrical installation
Warning:
A. Read carefully of centrifuge user manual and Control cabinet user manual before operating.
B. Strictly forbidden to open the control cabinet with power on. Only open the door after power cut off.
C. Any installation and inspection of electrics must be operated by professionals
The main motor, back motor and temp. sensors of VFD centrifuge has connected well to the aviation plug panel, users are supposed to connect cables with reference to VFD control cabinet user manual.
OperationGN decanter centrifuge
Preparation before operation
Ⅰ. Check below items to make sure all in good condition. Any abnormal conditions should be solved properly and in time.
1). Check and make sure all parts of the centrifuge assembled well.
2). Check and make sure the bowl fasten belts are removed.
3). Rotate the centrifuge bowl manually and check if there is any blocking or other abnormal condition.
4). Check and make sure the oil level of hydraulic coupler and gearbox is accordence with request.
5). Check and make sure the B-belt is suitably tensioned.
6). Check and make sure the belt covers and collection box top cover are closed well, bearing base, feeding pipe and control cabinet are screwed down well.
7). Check the 3-phase power supply is connected well.
8). Check the reset function of all switches, operating device, control bottom, and make sure they are flexible and in right position.
9). Check and make sure the control cabenit are mounted well.
10). When restart the centrifuge after long stop, measure motors with 500V megger insulation resistance, the centrifuge can be run only if the resistance ≥ 0.5 MΩ.
11). check and make sure the ground connection is reliable. Measure the grounding resistance if necessary.

Decanter centrifuge operation

Start the centrifuge temporarily to check the rotating direction. Change the phase conductors of the motor if the rotating direction is not correct.
1). Start and run centrifuge back motor in short time to observe whether the gearbox rotates in a correct direction, and make sure there is no adnormal condition occured.. Seen from the small end of the bowl, the gearbox shall rotate in counterclockwise.
2). Start and run centrifuge main motor to observe whether it’s pulley rotates in the correct direction, and make sure there is no adnormal condition occured. Seen from the small end of the bowl, the pulley shall rotate in counterclockwise.
3). Start in inching feed pump to observe whether it rotates in a correct direction. Observed from the end of the motor, the pump shaft shall rotate in clockwise.
Notice: ① Cut off the power immediately if the motor does not run after power to avoid it burn down
② When start the centrifuge, check whether the motor work continuously without abnormal noise. If the two motor could not work synchronously, operator should immediately shut
down the centrifuge for trouble shooting and then start the centrifuge again.
③ Motor is not allowed to start over five consecutively times in the cooling condition; When restart the motor after stop, it is not allowed to start over three consecutively times in the hot condition.
Ⅲ. No-load running
Start the centrifuge according to the operating steps, but do not start the feed pump to make it run without load. Check whether there is abnormal noise, vibration or heating. Make sure that the temperature rise of the bearing base is not over 35℃ after 2-hour running. If the condition permitted, measure the bowl speed and vibrating force of the bearing base and make sure that the bowl speed was not less than 97% of the rated figure and vibrating force was not over 7.1mm/s.
Ⅳ. Load running
Turn on centrifugal according to the operation steps, after it reaches the set speed, turn on the feed pump. Check and see if there is any abnormal situations e.g. abnormal vibration, noise, or heating, etc…
Choose the suitable pump feeding capacity according to the mud density & viscosity, and the performance requested to reach. DO NOT increase feed capacity sharply; it may cause block or the centrifuge and hold on the screw propeller badly.tumblr_m7aozdm0sr1qmyjkk

GN centrifuge Disassembly and Assembly

GN solids control Basic requirement of disassembly and assembly.
(1). Disassembly
A. Not allowed to hammer directly onto centrifuge parts, not allowed to separate the connecting surface between parts with tools like screw drivers.
B. Must use the dismounting holes or pulling tools on centrifuge parts when disassembly.
C. Not allowed to heat roller bearing with welding torch.
D. When dismount the parts with dismounting holes on flanges, use forcing screw with level 8.8 or above.
E. Mark the matching parts with compact points before disassembly.
(2). Assembly
A. Assembly work should be done in clean workshop with no metal particles or powers in air.
B. Carefully clean all parts and air flush off all iron scraps and dusts from lubricate holes, blind holes, counter bores.
C. Inspect fitting surface and joint surface of parts, and polish wounds and scratches on the parts with fine oil stones and smooth cut files.

A.Disassembly feed tube:
1)Disassembly feed tube
2)Disassembly Bolt & Nut On feed tube
3)Push out feed pipe
B. Disassembly narrow V belt
1)Disassembly motor cover
2)Loose nut for fixing motor
3)Rotating adjust screw , shorten distance
4)Pull out narrow V belt
C.Disassembly gear box
1)Lift gear box , disassemble back-drive motor, remove coupling between motor and gear box
2)Disassembly nuts between gear box and connection part
3)Remove gear box, pull out spline shaft
D.Remove centrifuge main body
1)Open top cover of collect box
2)Disassembly locating pins and nuts on bearing base both end
3)Lift centrifuge bowl assy and remove it tumblr_m97fcgTGQM1qmyjkk

Oil content waste management system

In July in the north of China is a hot season, but the GN solids control workers who still hold on the production line, hot only to grasp the equipment ready, sent to the client as soon as possible, better realize his value. After The customer inspect site work my company oil sludge sand processing system, can more firmly believe that champions league in oil field strength in the field of environmental protection, at the same time also give high affirmation.
Oily sludge treatment system, mainly dealing with oily waste drilling platforms, including oil/water, oil, sludge, etc. GN  solid control according to the characteristic of oily waste in r&d and manufacture of unique, mainly includes the following several main structure.
Feeding unit: 1) oily sludge use oily waste on the screw conveyor in big funnel, again through the screw device to mixed evenly inside the tank are mixed. Screw of the funnel, transmission capacity and mixed tank can be customized production according to customer requirements.
2) flocculation unit: the unit of chemicals can be dispensed by the automatic control system according to the clients due to the proportion of matching, and then through a screw pump, the potion into mixed cans, mixed with oil waste.
3) the solid-liquid separation unit: this unit is made up of a high G of drilling fluid shale shaker and special mud centrifuge. Mixed with good oil bearing waste by screw pump pump to the shaker screen above the first, the big screen out particles, and in waste pulp centrifuge for further separation.So that you can maximize the crude oil in the wastes of isolated and stored into the tank.
Welcome there is oil sludge, joint station tank bottom sludge, sludge treatment of offshore drilling platform abandoned business customers to the company.

mud cleaning unit

Abnormal stop of the centrifuge

  1. The screw conveyer is overload or out of power.
  2. The screw propeller overload will cause back drive motor current overload, it will cause the the power supplier cut off. Oe if there are other reasons caused cut off of the power suppler, the screw propeller will be blocked. Operater should solve the problem per trouble shooting.
  3. Overload of the bowl
  4. The bowl overload will cause hydraulic coupler fusible plug be melt. The transmission oil inside the hydraucli coupler will flow Main motor will be disconnect with hydylic coulper and the bowl cannot be drived. In this condition, the main power supply will not be cut off automatically. Centrifuge operaters should stop feeding pump firstly, and then stop the power supplier. After that, change fusible plug and transmission oil. After that, open the flush pump to clean out the bowl inside, otherwise, it may cause blocking of the screw propeller.
  5. Attentions for stop-off
  6. Before stop off the centrifgue, be sure to clean the bowl inside thoroughly. Otherwise, when you start the centrifuge next time, the screw propelelr may be held on and could not rotate.
  7. ATTENTION: Most of the common centrifuge broken down is caused by incomplete flushing.
  8. When stop centrifuge in winter, or stop centrifuge for a long time, be sure to open collecting box top cover, remove the drain bolt at centrifuge big end cover, and drain out all water and fluids inside the bowl and hoses, to prevent freezing.
  9. Operator DO NOT allow to leave the site until the centrifuge bowl completely stop rotating.
  10. VFD Control Panel Notes
  11. Layout of VFD control cabinet
  12. The VFD control cabinet is separated with centrifuge, and should be mounted nearby the centrifuge and convenient for operation. In order to make it easy for operation and observation, it is better the VFD cabinet located within 5m far away from the centrifuge. Max. the distance should not over 10m. And cover the VFD cabinet with shade to provent rain or sunshine.

Cable size

  1. User prepare suitable length cables per the final VFD control cabinet location. Centrifuge is connected to VFD control cabinet with thess cables: main drive motor, back drive motor, feeding pump motor, sensro device, and power supply. Cable sizes are as following:
  2. 90kw main drive motor cable 3×70mm2+1×35 mm2
  3. 37kw back drive motor cable 3×25mm2+1×16 mm2
  4. 22kw feeding pump cable 3×10mm2+1×6 mm2
  5. Sensor device cable 3×1.5mm2
  6. Power supply input cable 3×70mm2+1×35 mm2 2pcsgn centrifuge at iran oil show

GN coal-bed gas solid control system again recently home, ready to send to the customer site

After 30 days of intensive production, GN solid control for coalbed methane customized mud purification system smoothly completed, site quality inspection personnel is to run the test of each device, this is our final systemic test before delivery.In a few days the whole system will be sent to the customer site.
The completion of coalbed methane (CBM) mud solid control system is mainly composed of a high drilling fluid shale shaker, a mud cleaner and a centrifuge, mud slurry device and a jet of many sets of slurry blender and centrifuge pump, system assembly will soon after the completion of the CBM drilling for customers of the production tasks, the tight because customer construction project and first time use, to ensure the smooth construction of the customer, GN solid control will actively organize professional and technical personnel to the scene to do a good job of system installation and debugging and training.

GN MUD TANK
Due to the customer request to our system is very high, so the crown to solid control strictly according to customer’s special requirements for production and installation.Use shougang steel, choose Siemens, schneider electric components, selection of international brand vibrating motor, it is repeatedly mentioned customers requirements.Customer on-site inspection in the process of production of production progress, customers mainly to see our production process and production process requirements, read our front-line workers conscientiously working condition and equipment of the production process can make them more confident to choose crown solids control is the most correct choice.
GN solid control is a leading domestic solid control system suppliers, in coal-bed gas field has more than ten years experience of equipment service, services across the United States, snow, Germany Bauer, Mr Ryan, and many other international drilling company and coal bed methane developers.We have rich experience in coal bed methane drilling solid control system, better able to provide customers with turn-key project, for customers to create higher profit margins.

ZJ30 mud mixing with mud solid control system

1, mud mixing system
In 3 # aggravating tank side by side on the right side of the base to install two sand pump, slurry on the base to install 1 set of jet funnel, keeping a with a sand pump, two jet work alone; Sand slurry pump and jet funnel are interchangeable mutual through various import and export of the butterfly valve control. As shown in figure 6 (sand pump suction manifold slurry), sand pump via suction manifold can extract respectively 2 # mud tank of 3 # and 4 #, 3 # mud tank each tank, 4 # mud tank mud tank, by adding the corresponding slurry jet funnel material, pulp out the manifold again into the corresponding mud can respectively as shown in figure 7 (pulp out sand pump manifold); This cycle, testing can be for 2 # mud tank 3 # and 4 #, 3 # mud tank each tank, 4 # mud tank  configuration, added to meet the requirements of drilling technology; In 4 # shear mix slurry devices are installed on the mud tank, can through the valve control shear system and jet slurry system work at the same time, also can switch roles; Shear system by dosing pipeline supply to the medicine jar, through medicine pot can be added to the 2 # mud tank.mud system 0618
Jet funnel at the bottom of the tee handle butterfly valve parts installed a convenient and practical, the jet mixing slurry unit startup and shutdown, want to close the valve, need mixed weighted mud, etc. The whole system run smoothly after open the valve; After the aggravating or mixed, close the valve, then close the jet mixing slurry compound system.
2, mud transfer process
System installation of a complete set of mud gun and mud gun involved in 1 #, 2 #, 3 # and 4 # mud tank, tank and tank are connected with the intermediate pressure hose, sealing is reliable, easy installation and removal. Twelve (as shown in figure 1 # mud gun and water pipes), as shown in figure 13 (2 # mud gun and water pipes), as shown in figure 14 (3 # and 4 # mud gun and water pipeline), the whole mud barrel remit is composed of mud pump set pulp out of the manifold with mud, belongs to the medium voltage line (in 2 # were reserved in mud tank 2 inches of mud pump imports);Jet sand slurry pump can also be used to provide power source.
Have a gate on each of the mud gun, all can work alone; Is the main purpose of mud gun mixing and transporting mud., in the front of the 1 # mud tank is equipped with a supply tank, the tank is installed on a mud gun, the mud gun’s main function is to supply provides the mud tank, in order to drill in drilling process, lack of wellhead mud, mud is pumped by the supply pump pumping hold well, so as to complete the well supplies the function of mud.

GN solid control for offshore platform provide drilling cuttings dryer

GN can provide drilling cuttings dryer integrated solid control lever, including drilling cuttings dryer live body, electric control and cuttings dryer base stents, etc. Equipment designed and manufactured on the basis of “advanced, reliable, safe, convenient, economic” principle, the reliability and advanced nature, convenience and safety of domestic and foreign products at the same level reached advanced level. Equipment can adapt the characteristics of offshore operation, to meet the processing capacity of offshore drilling waste treatment while drilling, and cutting oil content less than 5% after processing, cutting emissions standards meet national levels. Equipment adopts frequency conversion motor, motor and adapt to 460 v60hz and 380 v50hz power supply range, and the motor and power distribution unit in accordance with national explosive-proof grade and offshore platform use requirements. Equipment dust, moisture, corrosion and good vibration resistance; Overall size is advantageous for the offshore installation location allocation, easy to transport hoisting and disassemble, easy replacement of spare parts and maintenance, use under conditions of normal operation.
GN solid control promise: quality guarantee period of 12 months, starting from the date of final acceptance of the agreement signed. During this period, due to supplier quality problems caused by the supplier to replace or repair free of charge, and the repair cost, labor, transportation, etc. The supplier shall be responsible for The consumption of solid control system equipment, such as: screen, scraper, belt, filter and so on are not within the 12 months warranty (if it is a manufacturer of quality problem, manufacturer is responsible for free replacement or repair);The quality guarantee period, if the supplier caused the quality problem of the design, manufacturing defects, the supplier must be responsible for free repair or replacement; Warranty period after-sales service service free of charge by supplier.
GN is the 1st API certified solids control company in China, also certified by: Europe DNV CE, HSE, ISO9001, Russia TP&TC .
2) GN Solids America is the first & biggest China owned USA based Solids Control Company. http://www.gnsolidsamerica.com/.
3) GN Solids Control facility Area: 40000㎡ (430,000 SF),exported to over 60 countries. http://www.gnsolidscontrol.com/china-factory/.mud system1