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The designing of GN mud tank2

Recently, we have shared some rough methods to estimate the size of a GN tank. Today, we’ll introduce some information on the composition of GN mud tank.

 

For each GN tank, it’s made up of three parts: the first is the upper frame, the second one is corrugated board, and the third one is bottom frame. These 3 parts are welded together and converted into a tank.

 

1. Upper frame:

 

Whenever we utilize different size mud guns, the peak of upper frame isn't the same. In most cases, 2 inch mud guns are matched up with 100mm height upper frame while 3 inch mud guns are matched up with 120 mm height upper frame.

 

2. Corrugated board:

 

You will find five common kinds of corrugated board, levels differs from 1000mm to 2000 mm. And corrugated board with height 2200mm is just used once the tank has ended 70 m3.

 

3. Bottom frame:

 

Since bottom frame can be created of two kinds of H-formed steel: the first is 200H, another is 250H. The peak of 200H is 200mm and also the height of 250H is 250mm.

 

Usually, when the size of tank is less than 9.5m, the underside frame uses H-formed steel with 200mm height. So when the tank’s length has ended 9.5m, we decide 250 H-formed steel.

 

Following the mud gun dimensions are made the decision, we all know the peak of upper bottom. For that corrugated board, we ought to use 1000mm, 1250mm, 1500mm, 1800mm and 2000mm. Since these levels could be bought from providers directly, heights that aren't these certain amounts we might need attempt to adjust. Sometimes, we are able to cut the finished corrugated board into small pieces, and utilize a part of these to weld on a single complete sheet in order to fulfill the non-standard height demands. The underside frame could be made the decision while we know the size of tank. So a tough height of GN mud tank could be calculated.

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How to design a GN mud tank roughly in a fast way? （B）

Last time, we share some rough ways to estimate the length of a GN solids control tank. Today, we’ll share some info on the composition of GN mud tank.
For a GN tank, it’s composed of three parts: one is the upper frame, the other one is corrugated board, and the last one is bottom frame. These three parts are welded together and made into a tank.
1. Upper frame:
When we use different size of mud guns, the height of upper frame is not the same. Generally speaking, 2 inch mud guns are matched with 100mm height upper frame; while 3 inch mud guns are matched with 120 mm height upper frame.
2. Corrugated board:
There are five common types of corrugated board, heights varies from 1000mm to 2000 mm. And corrugated board with height 2200mm is only used when the tank is over 70 m³.
3. Bottom frame:
Since bottom frame can be made of two types of H-shaped steel: one is 200H, the other is 250H. The height of 200H is 200mm and the height of 250H is 250mm.
Usually, when the length of tank is less than 9.5m, the bottom frame will use H-shaped steel with 200mm height. And when the tank’s length is over 9.5m, we choose 250 H-shaped steel.

After the mud gun size is decided, we know the height of upper bottom. For the corrugated board, we should try to use 1000mm, 1250mm, 1500mm, 1800mm and 2000mm. Because these heights can be purchased from suppliers directly, heights that are not these certain numbers we may need try to adjust. Sometimes, we can cut the finshed corrugated board into small pieces, and use part of them to weld on one complete sheet so as to satisfy the non-standard height demands. The bottom frame can be decided when we know the length of tank. So a rough height of GN mud tank can be calculated.

500~1000 GPM HDD mud technique

GN Solids Manage is planet well-known manufacturer for mud recycling system for HDD, CBM, piling, underground instruction, trenchless, dredge slurry separation, etc…

GN Solids Manage also offers customized remedy per customer’s situation. A buyer request 500GPM mud strategy for HDD rig. Under are their specifications on gear for the 500GPM mud approach. GN Solids Control presents resolution somewhat to optimize the mud technique for HDD rig:
1) Buyer request on 500GPM mud tank dimension: Mud tank to extremely similar as 20 ft regular O.T. container.( Standard frame with container corners for transport on containers vessels and for swift lifting)
GN Solution on the 500GPM mud technique tank dimension: It is actually in fact no challenge for precisely comparable dimension with 20ft container. But GN recommends the tank possessing a smaller sized sized width: 2000mm so that you'll be able to place into container for shipment.
two) Tank compartment for the 500GPM mud technique: Divide the 20 ft mud tank to three chambers - (1) Shale shaker chamber, (two) De-sander chamber, (three) Desilter chamber
GN confirms the 3 chamber in the 500gpm mud tank system
three) Customer request to set up larger shale shaker model GNZS594E with 616 GPM.
GN team confirms the enormous shaker for 500GPM mud approach.
4) In addition, client request setup two Nos. of key energy pump 6x5 centrifugal pump with 45 Kw motor.
And install large capacity mud cleaner (shaker + 2 nos. of de-sander + 12 Nos. of desilter) model GNZJ594E-2S12N with 1056 GPM capacity.
Per the huge centrifugal pump and massive capacity mud cleaner, GN engineer give answer that: connection shale shaker with mud cleaner shaker with distribution box, controlled by valve, client can choose out to create use of 1 shaker or 2 shakers. Within this case, the mud method can extend to turn into with 500GPM capacity or 1000GPM capacity.
Via 500GPM capacity, the user blocks half of desander cone and half of desilter cone for any superior hydraucyclone separation.
five) Concerning mixing program, as client at present have some mud tanks locally, GN provides a separate jet mud mixer for resolution. Buyer can chose it to match with its regional mud mixing tank. Or connect the shale shaker tank with its original mud tanks.
The method is very simple to shift in between 500gpm and 1000gpm capacity. Customer is very pleased with qualified engineering group of GN Solids Handle.
In case you have got interest on above 500 / 1000 GPM HDD mud system, or you could possibly have any exclusive request on no-dig compact mud recycling technique, you may speak to GN group freely for much more facts.

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