Inverted discharged pressing crack liquid reclaims settler step by step
Technical field
This utility model relates to inverted discharged pressing crack liquid cycling and reutilization and harmless treatment environment-friendly processing unit technology neck
Territory, reclaims settler step by step in particular to a kind of inverted discharged pressing crack liquid.
Background technology
After pressing crack construction, at least the fracturing fluid of more than 30% is counter from underground arranges up, and its composition is considerably complicated,
The especially pressure break later stage anti-waste liquid arranged, color is deep, solid content is high.Later stage, the anti-fracturing fluid arranged comprised
Hydrocarbon, high concentration CODCr, enrichment the quartz sand particle of garbage, substantial amounts of solid suspended oil
Grain and waste water.It addition, anti-drain waste water has, water quality median particle size is relatively big, water quality viscosity is big, oil sludge content
The feature such as big, needs separating treatment step by step.
At present, the recovery of inverted discharged pressing crack liquid is to be collected in independent big tank or pond, waits subsequent treatment.
Although the method is simple, but owing to required pond or tank volume are relatively big, and multiple tank body not UNICOM, lead
Uniform space is closed, and waste liquid poor fluidity makes waste liquid delamination in device, do not reaches pretreatment in other words
Effect, the simply process of a simple storage inverted discharged pressing crack liquid.The most urgently a kind of intercommunicating device of exploitation, makes pressure break
Anti-drain, during reclaiming storage, strengthens its mobility, increases waste liquid to inner tank wall friction and shearing
Ability, makes waste liquid solid-liquid separation by increase flowing and fricting shearing simultaneously, reaches to precipitate fraction solids granule
Such pretreating effect, both can be follow-up time-consuming in the processing procedure of unit module, again might be used
To improve treatment effeciency, each pollution components of inverted discharged pressing crack liquid is made sufficiently to separate.
Utility model content
The purpose of this utility model is to provide one and need not be previously added inorganic agent, but natural sedimentation reaches anti-
The inverted discharged pressing crack liquid of the pretreating effect of discharge opeing waste liquid and solid particle layering reclaims settler step by step.
To this end, technical solutions of the utility model are as follows:
A kind of inverted discharged pressing crack liquid reclaims settler step by step, including passing sequentially through at least five that connecting line connects
Have and mutually isostructural return discharge opeing recovery pond;And from first return discharge opeing recovery pond to last return discharge opeing reclaim
Pond, the adjacent connecting line distance cell body top distance returned between discharge opeing recovery pond reduces the most step by step;Each
Return the teeth structure being additionally provided with projection in the side wall inner surfaces of discharge opeing recovery pond;It is provided with on every connecting line
Uniaxial pressure pump.
Further, this inverted discharged pressing crack liquid reclaims settler step by step and includes passing sequentially through that connecting line connects the
One return discharge opeing recovery pond, second return discharge opeing recovery pond, the 3rd return discharge opeing recovery pond, the 4th return discharge opeing recovery pond and
5th returns discharge opeing recovery pond;Return discharge opeing recovery pond from first and return discharge opeing recovery pond to the 5th, adjacent return discharge opeing and reclaim
Connecting line between pond is separately positioned at distance is cell body height 1/2 with cell body top successively, 1/4
Place, at 1/6 and at 1/8;Returning bottom, discharge opeing recovery pond side first and be additionally provided with liquid inlet, liquid inlet is positioned at
One offside returning the connecting line on discharge opeing recovery pond.
Two length returning discharge opeing recovery pond being positioned at initial and end are more than other length returning discharge opeing recovery pond.
The height returning discharge opeing recovery pond is 3~4 meters, and width is 4~6 meters, a length of 5~8 meters.
A length of 0.8~1.2 meter of the adjacent connecting line returned between discharge opeing recovery pond, internal diameter is 0.2~0.3 meter.
Spacing between the teeth of adjacent protrusion is 8~12 centimetres.
Compared with prior art, this inverted discharged pressing crack liquid reclaims settler step by step and need not be previously added inorganic agent,
By pipeline, several anti-drain recovery ponds are interconnected, carry out natural sedimentation, i.e. realize preliminary solid-liquid separation,
Reach anti-drain waste liquid and the pretreating effect of solid particle layering, be beneficial to solve in inverted discharged pressing crack liquid, pureed
Solid particle is formed with inverted discharged pressing crack liquid waste liquid to stablize and is the most admittedly difficult to what solid mud phase granule separated with waste water
Problem, decreases the usage amount of anti-drain treating capacity and inorganic agent for follow-up complete separation.
Accompanying drawing explanation
Fig. 1 is the structural representation that inverted discharged pressing crack liquid of the present utility model reclaims settler step by step;
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is described further by specific embodiment, but following embodiment is exhausted
Non-have any restriction to this utility model.
As it is shown in figure 1, this inverted discharged pressing crack liquid reclaims settler step by step includes that passing sequentially through connecting line 2 connects
First return discharge opeing recovery pond 101, second return discharge opeing recovery pond the 102, the 3rd and return discharge opeing recovery pond the 103, the 4th
Return discharge opeing recovery pond 104 and the 5th and return discharge opeing recovery pond 105;Wherein:
First return discharge opeing recovery pond 101 and the 5th length returning discharge opeing recovery pond 105 be respectively 8 meters,
5 meters and 4 meters, second returns discharge opeing recovery pond the 102, the 3rd returns discharge opeing recovery pond 103 and the 4th and returns discharge opeing and reclaim
The length in pond 104 is respectively 6 meters, 5 meters and 4 meters;
Each return discharge opeing recovery pond be both designed as the uncovered structure of top cover can also be for design one with overfall
There is top cover;When well-digging area is positioned at desert area, such as Sulige area, or other high temperature area, top can be used
The uncovered structure in portion, is evaporated by affecting a large amount of aqueous solvent at sunshine or temperature, for follow-up place returning discharge opeing processing procedure
Reason step is cost-effective;
Return discharge opeing recovery pond 101 from first and return discharge opeing recovery pond 105 to the 5th, adjacent return between discharge opeing recovery pond
Connecting line 2 be separately positioned on successively at distance is cell body height 1/2 with cell body top, at 1/4,1/6
At place and 1/8;
Connecting line 2 is long 1 meter, and internal diameter is the connecting tube of 0.3 meter, and connection method is passed through at every connecting tube two ends
Blue with return discharge opeing recovery pond and be connected;Every connecting line is additionally provided with uniaxial pressure pump, it is ensured that in recovery pond
Anti-drain can not flow backwards, the flowing in a direction can only be remained along;
Each side wall inner surfaces returning discharge opeing recovery pond is additionally provided with the teeth structure of projection, adjacent protrusion
Spacing between teeth is 10 centimetres;The when that anti-drain flowing into, this rough teeth type structure is with anti-
Can rub mutually between discharge opeing, reach the purpose sheared.When anti-drain waste water impulsive force is big, this concavo-convex
The uneven shearing between structure and anti-drain and friction are more abundant, can play certain broken glue effect, make anti-
Discharge opeing system is de-steady and separates;
Returning bottom, discharge opeing recovery pond side first and be additionally provided with liquid inlet, liquid inlet is positioned at first and returns discharge opeing recovery pond
On the offside of connecting line;It is provided with discharging opening, in pretreatment in each discharge opeing recovery pond bottom of returning
Open after completing, discharge precipitation solid particle and the mixture of surplus solution.
When each recovery pond rubs step by step and clips to the 5th recovery pond, five are reclaimed cell body and all become loaded with instead
Discharge opeing waste liquid, stood after a period of time, and anti-drain waste liquid can be layered, the fraction solids granule in system because of
Unstability and precipitate, gradually formed supernatant liquid, the deposited phenomenon of lower floor's solid particle in recovery pond, this
The settler step by step of this connection of sample had both served the effect storing inverted discharged pressing crack liquid, was equivalent to recycling can, it addition,
Also play and make anti-drain precipitate step by step, reach the pretreating effect of layering, decrease follow-up because of anti-drain process
The best usage amount with inorganic agent for the treatment of effect that amount is big and causes.