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Three years warranty
Skidding assembly
Commissioning and training
The main sources of CBM wastewater are:
(1) Drilling fluids: Drilling fluids are specialised slurries, usually with chemicals added to protect the well wall, and are usually formulated with water, bentonite and sodium hydroxide.
(2) Fracturing fluid: Fracturing fluid can be used to improve the yield of coalbed methane extraction, and it usually plays the roles of thickening, cross-linking and pH adjustment, etc. The main components of its formula are salts, strong alkaline substances and surfactants.
(3) Gas drainage: gas extraction usually adopts the drainage method, so the composition of wastewater discharged is similar to that of groundwater, and certain ions may exceed the standard in some areas.
(4) Domestic wastewater: wastewater discharged from the production site.
To sum up, the nature of CBM wastewater can be expressed in the following aspects:
(1) The extracted water contains a variety of inorganic ions, among which, the anions are dominated by Cl- and HCO-, and the cations are dominated by Na+ and K+.
(2) The most obvious characteristics of the extracted water are high salinity and high mineralisation.
(3) Due to the fracturing fluid, the wastewater will have excessive organic matter.
(4) There are problems of heavy metal ions exceeding the standard.
Capacity 5-75m 3/h
Name | Basic system | Quantity | Senior system | Quantity | Complete system | Quantity | System description |
Reaction system | Sludge pump | 1 unit | Sludge pump | 1 unit | Sludge pump | 2 units | The reaction system mainly doses right chemicals such as coagulants and coagulants to the sludge to promote the flocculation of sludge particles and improve its dehydration performance. |
Pipeline mixer | 4 pieces | MR reaction tank | 1 set | MR reaction tank | 1 set | ||
Acid alkali dosing cartridge | 1 piece | Acid alkali dosing cartridge | 2 pieces | Acid alkali dosing cartridge | 2 pieces | ||
Acid alkali dosing pump | 1 unit | Acid alkali dosing pump | 1 unit | Acid alkali dosing pump | 2 units | ||
Calcium hydroxide dosing bucket | 1 piece | Calcium hydroxide dosing bucket | 2 pieces | Calcium hydroxide dosing bucket | 2 pieces | ||
Calcium hydroxide dosing pump | 1 unit | Calcium hydroxide dosing pump | 1 unit | Calcium hydroxide dosing pump | 2 units | ||
Sodium carbonate dosing bucket | 1 piece | Sodium carbonate dosing bucket | 2 pieces | Sodium carbonate dosing bucket | 2 pieces | ||
Sodium carbonate dosing pump | 1 unit | Sodium carbonate dosing pump | 1 unit | Sodium carbonate dosing pump | 2 units | ||
PH online detector | 1 piece | PH online detector | 1 piece | PH online detector | 1 piece | ||
Flowmeter | / | Flowmeter | / | Flowmeter | 1 piece | ||
Sedimentation system | VMC | 1 unit | VMC | 1 unit | VMC | 1 unit | The sedimentation system is mainly used for concentration treatment of sewage, facilitating pressure filtration. |
Pneumatic sludge discharge valve | 1 piece | Pneumatic sludge discharge valve | 1 piece | Pneumatic sludge discharge valve | 1 piece | ||
Sludge pump | 1 unit | Sludge pump | 1 unit | Sludge pump | 2 units | ||
Pressure filtration system | Mixing tank | 1 piece | Mixing tank | 1 piece | Mixing tank | 1 piece | The main function of the pressure filtration system is solid-liquid separation |
Feeding pump | 1 unit | Feeding pump | 1 unit | Feeding pump | 2 units | ||
KMP | 1 set | KMP | 1 set | KMP | 1 set | ||
Control system | PLC control cabinet | 1 set | PLC control cabinet | 1 set | PLC control cabinet | 1 set | All automation control of equipment provided by our company will be integrated into this system and run fully automatically |
Auxiliary materials | Pipelines, valves, cables, etc | 1 batch | Pipelines, valves, cables, etc | 1 batch | Pipelines, valves, cables, etc | 1 batch | The specific quantity of cables and pipe valves required within the system depends on the customer's on-site situation. |
Please request a detailed list of system from our sales consultant.
Function | Basic system | Senior system | Complete system |
Fully automated control | √ | √ | √ |
Fault alarm | √ | √ | √ |
Automatic reaction container | - | √ | √ |
Automatic backup switching | - | - | √ |
Automatic regulation of dosing | - | - | √ |
Frequency conversion control or not | - | - | √ |
Soaking interval time | 4 hours | 8 hours | Fully automatic |
Serial number | Name | Specifications | Function |
1 | Water Reuse | PE tank+pump+liquid level gauge+integrated control | Transport the supernatant to the production line for reuse using pressurized transportation method |
2 | Special anti-corrosion | FRP Coating for the liquid connection parts | Prevent corrosion caused by high acid, high salt, high fluoride, etc |
3 | Special materials | 304/316L, etc | Selection based on user material characteristics |
4 | Overall Skid Installation | Patterned steel platform+fixed bracket+trunking, pipelines, cables, etc | Easy to install, transport, and move flexibly |
5 | Precision filter | Including multi-stage centrifugal pump | Reduce the content of suspended solids in the filtrate and regulate water quality |
6 | Explosion-proof | DIIBT4/CT4, etc | Electrical components, motors, etc. placed in explosion-proof areas are classified according to different levels |
7 | Conveying system/temporary storage system | Conveyor/sludge storage hopper | Mud cakes can be collected through conveying equipment or temporary storage systems, reducing manual labor. |
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