CN112065309A - Solid-liquid mixture separation and liquid storage integrated tank and application method thereof - Google Patents
Solid-liquid mixture separation and liquid storage integrated tank and application method thereof Download PDFInfo
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- CN112065309A CN112065309A CN202011044021.5A CN202011044021A CN112065309A CN 112065309 A CN112065309 A CN 112065309A CN 202011044021 A CN202011044021 A CN 202011044021A CN 112065309 A CN112065309 A CN 112065309A
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- 239000007788 liquid Substances 0.000 title claims abstract description 174
- 238000000926 separation method Methods 0.000 title claims abstract description 94
- 239000000203 mixture Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000706 filtrate Substances 0.000 claims abstract description 98
- 239000011435 rock Substances 0.000 claims abstract description 83
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 238000001035 drying Methods 0.000 claims description 13
- 238000005553 drilling Methods 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000013517 stratification Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
- E21B21/066—Separating solids from drilling fluids with further treatment of the solids, e.g. for disposal
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Abstract
The invention discloses a solid-liquid mixture separation and liquid storage integrated tank and an application method thereof, wherein the solid-liquid mixture separation and liquid storage integrated tank comprises the following steps: the rock debris collecting and separating tank is provided with a plurality of inclined side walls, and one of the inclined side walls is provided with a filtering hole; the upper end of the first-stage filtrate collecting tank is provided with a tank opening which is arranged corresponding to the filtering holes, and the tank opening is connected with the lower end of the side wall of the rock debris collecting and separating tank at the periphery of the corresponding filtering holes; the second-stage filtrate collecting tank is integrally connected to one side of the first-stage filtrate collecting tank, and a first overflow port communicated with the second-stage filtrate collecting tank is formed in the side wall, close to the highest end of the tank opening, of the first-stage filtrate collecting tank. The rock debris collecting and separating tank can enable oil-based rock debris to be subjected to preliminary solid-liquid separation in the rock debris collecting and separating tank, and the adjacent secondary filtrate collecting tank and the tertiary filtrate collecting tank which are respectively communicated with each other are fixed on one side of the primary filtrate collecting tank at one time.
Description
Technical Field
The invention relates to the field of petroleum equipment, in particular to a solid-liquid mixture separation and liquid storage integrated tank and an application method thereof.
Background
Traditional oil base detritus does not fall to ground splitter's oil base detritus falls into the collection tank that its lower part was put by splitter's exit, and the bottom of collection tank is provided with screw conveyer, and solid-liquid can not the initial gross separation this moment, and during the oiliness detritus was directly carried next equipment by this screw conveyer, is few when the detritus, and the liquid volume is many, will unable pass through screw conveyer with liquid and carry away, need set up submerged long rod pump in addition, takes it out, and processing technology is comparatively chaotic.
Because the 'quadruple vibrating screen' that the drilling crew used, total length is 8.8 meters, the length of the accumulator that the separation equipment below was received like this should be greater than 8.8 meters length, when the detritus fell into the accumulator, because the mobility of oil base detritus is poor, need the artifical incessant rock debris of will moving the inlet of screw conveyer with the labour, occupy at least one. Most importantly, the tank body is large, the space is generally 8.8 meters by 2.5 meters by 1.5 meters, the function of rock debris collection is only slightly wasted, the surrounding space of the tank body of the collecting tank cannot be fully optimized, and the rock debris containing the oil base cannot be subjected to preliminary solid-liquid separation, which is a pitot.
Therefore, how to provide an integrated tank for solid-liquid mixture separation and liquid storage and a method for using the same, which can overcome the above problems, is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides an integrated tank for solid-liquid mixture separation and liquid storage and a method for using the same. The problem of the collection tank can not accomplish the preliminary solid-liquid separation of oil base detritus and spatial structure is extravagant is solved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an integrative jar is stored with liquid in separation of solid-liquid mixture for collect the oily detritus that comes from oil base detritus not fall to ground splitter to carry out solid-liquid separation to it, include:
the rock debris collecting and separating tank is provided with a plurality of side walls which are obliquely arranged relative to the horizontal plane, and one oblique side wall is provided with a filtering hole;
the upper end of the primary filtrate collecting tank is provided with a tank opening which is arranged corresponding to the filtering hole, and the tank opening is connected to the lower end of the side wall of the rock debris collecting and separating tank corresponding to the periphery of the filtering hole;
second grade filtrating collecting tank, second grade filtrating collecting tank body coupling is in one side of first grade filtrating collecting tank set up on the lateral wall of first grade filtrating collecting tank near its jar mouthful highest end with the overflow mouth one of second grade filtrating collecting tank intercommunication, the filtration pore is located the top of overflow mouth one.
According to the technical scheme, compared with the prior art, the solid-liquid mixture separation and liquid storage integrated tank is provided, the rock debris collection and separation tank is provided with the side walls which are inclined relative to the horizontal plane, the filtering hole is formed in one side wall, the primary filtrate collection tank is sealed at the position, corresponding to the filtering hole, outside the side wall of the rock debris collection and separation tank, the oil-based rock debris entering the rock debris collection and separation tank can be subjected to preliminary solid-liquid separation through the arrangement, the surrounding space of the rock debris collection and separation tank can be effectively utilized, the space waste of equipment is avoided, the oil-based rock debris can be effectively subjected to solid-liquid separation, and the separated liquid can be repeatedly utilized by drilling teams.
Preferably, still including tertiary filtrating collection tank, tertiary filtrating collection tank body coupling is in one side of second grade filtrating collection tank the position that just is close to its tank deck on the lateral wall of second grade filtrating collection tank seted up with the overflow mouth two of tertiary filtrating collection tank intercommunication. This arrangement enables the integral tank to reliably separate out fluids that can be reused by a drilling crew.
Preferably, a screw conveyor is fixed and communicated with the bottom of the rock debris collecting and separating tank. This setting can guarantee to fall into entering into next processing equipment that the oil base detritus of detritus collection knockout drum can be smooth.
Preferably, a bin wall type vibration motor is fixed at the lower end of the side wall of the rock debris collecting and separating tank which is obliquely arranged relative to the horizontal plane and is close to the bottom of the tank. This setting can guarantee to fall into the oil base detritus that the detritus collected in the knockout drum can be smooth and slide to the tank bottoms, and then is derived by screw conveyer.
Preferably, a first stirrer, a second stirrer and a third stirrer are sequentially arranged at the inner bottom of the first-stage filtrate collecting tank, the second-stage filtrate collecting tank and the third-stage filtrate collecting tank, and a first liquid pump, a second liquid pump and a third liquid pump which are communicated with the inner parts are sequentially arranged outside the first-stage filtrate collecting tank, the second-stage filtrate collecting tank and the third-stage filtrate collecting tank. This setting can avoid the liquid of separation to have impurity to sink the end, and the unable smooth quilt liquid pump suction.
Preferably, the height of the first overflow port is greater than that of the second overflow port. This setting can guarantee that the liquid in the second grade filtrating holding vessel can not flow back to in the first-order filtrating holding vessel from the overflow mouth one-tenth.
A method for applying a solid-liquid mixture separation and liquid storage integrated tank comprises the following steps:
the working process of the solid-liquid mixture separation and liquid storage integrated tank comprises the following steps:
(1) oil-based rock debris derived from oil-based rock debris separation equipment without falling to the ground enters the rock debris collection and separation tank, the oil-based rock debris accumulates continuously in the rock debris collection and separation tank, as the oil-based rock debris is arranged in the rock debris collection and separation tank, part of liquid in the oil-based rock debris can pass through the filter holes and enter the primary filtrate collection tank, the oil-based rock debris accumulated in the rock debris collection and separation tank reaches a certain amount and then is dried in a drying machine positioned outside the primary filtrate collection and separation tank by the aid of the spiral conveyor arranged at the bottom of the rock debris collection and separation tank, the oil-based rock debris subjected to preliminary solid-liquid separation in the rock debris collection and separation tank is derived, the liquid spun-dried in the drying process is discharged into the primary filtrate collection tank through a pipeline, and the dry rock debris separated in the drying process directly falls into a dry rock debris storage tank at the lower part of the drying machine, the first-stage filtrate collecting tank comprises liquid entering the first-stage filtrate collecting tank through the two separation channels, and the density of the first-stage filtrate collecting tank is 1.8-2.0g/cm3；
(2) Store fine detritus granule in the liquid in the one-level filtrating collection tank can take place to sink owing to the effect of gravity, causes upper portion liquid density less, and lower part liquid density is great, works as the liquid level height more than or equal to of the liquid in the one-level filtrating collection tank during the height of overflow mouth one, the liquid of low density can pass through overflow mouth one flows into to in the second grade filtrating collection tank, be close to one-level filtrating is collected and is collectedThe position of the bottom in the tank is provided with a liquid drawing port of the first liquid drawing pump, the first liquid drawing pump draws the high-density liquid close to the bottom of the first-stage filtrate collecting tank into a centrifugal machine positioned outside the integrated tank for primary centrifugal separation, at the moment, the rotating speed of the centrifugal machine is 1800 plus 2500 rpm, the liquid after the primary centrifugal separation is discharged into the second-stage filtrate collecting tank through a pipeline, the thick slurry obtained by centrifugal separation directly falls into a thick slurry storage tank at the lower part, at the moment, the second-stage filtrate collecting tank comprises the liquid entering the interior of the second-stage filtrate collecting tank through the two separation channels, and when the density of the liquid is less than or equal to 1.2g/cm3When the density is more than 1.2g/cm, the pumping liquid is directly pumped into a mud collecting tank of the drilling team outside the integral tank by the second pumping liquid pump3Then, carrying out the step (3);
(3) liquid stored in the secondary filtrate collecting tank can generate liquid stratification under the action of gravity, when the liquid level height of the liquid in the secondary filtrate collecting tank is greater than or equal to the height of the overflow port II, low-density liquid can flow into the tertiary filtrate collecting tank through the overflow port II, a liquid pumping port of the liquid pumping pump II is arranged at a position close to the bottom in the secondary filtrate collecting tank, the liquid pumping pump II pumps the high-density liquid close to the bottom of the secondary filtrate collecting tank into the centrifuge for secondary centrifugal separation, the rotating speed of the centrifuge is 2800-, and has a density of 1.2g/cm or less3And the liquid in the third-stage filtrate collecting tank is pumped out to the slurry collecting tank by the liquid pump III.
Compared with the prior art, the invention discloses and provides an application method of the solid-liquid mixture separation and liquid storage integrated tank. The following technical effects can be achieved:
the rock debris collecting and separating tank is provided with side walls which are inclined relative to a horizontal plane, one side wall is provided with a filtering hole, a primary filtrate collecting tank is sealed at a position, corresponding to the filtering hole, outside the side wall of the rock debris collecting and separating tank, of the primary filtrate collecting tank, oil-based rock debris entering the rock debris collecting and separating tank can be subjected to preliminary solid-liquid separation, and a secondary filtrate collecting tank and a tertiary filtrate collecting tank which are adjacent and are respectively communicated with each other are fixed at one side of the primary filtrate collecting tank at one time; through set up storehouse wall type vibrating motor on the slope lateral wall at the detritus collection knockout drum, can guarantee through storehouse wall type vibrating motor's vibrations that the oil base detritus that falls into in the detritus collection knockout drum does not need artificial assistance just can get into the screw conveyer who is arranged in the detritus collection knockout drum bottom automatically, effectively uses manpower resources and construction cost sparingly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is an isometric view of an integrated solid-liquid mixture separation and liquid storage tank;
FIG. 2 is an isometric view of an integrated solid-liquid mixture separation and liquid storage tank;
FIG. 3 is a top view of an integrated solid-liquid mixture separation and liquid storage tank;
fig. 4 is a sectional view in the direction of fig. 3A-a.
In the figure:
01 is a rock debris collecting and separating tank, 010 is a filter hole, 02 is a first-stage filtrate collecting tank, 020 is an overflow port I, 03 is a second-stage filtrate collecting tank, 030 is an overflow port II, 04 is a third-stage filtrate collecting tank, 05 is a screw conveyor, 06 is a bin wall type vibration motor, 07 is a stirrer I, 08 is a stirrer II, 09 is a stirrer III, 10 is a liquid drawing pump I, 11 is a liquid drawing pump II, and 12 is a liquid drawing pump III.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention discloses a solid-liquid mixture separation and liquid storage integrated tank and an application method thereof, wherein a rock debris collecting and separating tank 01 is provided with side walls which are inclined relative to a horizontal plane, one side wall is provided with a filter hole 010, a first-stage filtrate collecting tank 02 is sealed at the position corresponding to the position of the filtering hole 010 and outside the side wall of the rock debris collecting and separating tank 01, the oil-based rock debris entering the rock debris collecting and separating tank 01 can be subjected to preliminary solid-liquid separation through the arrangement, and a second-stage filtrate collecting tank 03 and a third-stage filtrate collecting tank 04 which are adjacent and are respectively communicated with each other are fixed on one side of the first-stage filtrate collecting tank 02, the arrangement can effectively utilize the surrounding space of the rock debris collecting and separating tank 01, avoid the space waste of the equipment, the oil-based rock debris can be effectively subjected to solid-liquid separation, and the separated liquid can be recycled by drilling teams; through set up bulkhead formula vibrating motor 06 on the slope lateral wall at detritus collection knockout drum 01, can guarantee through bulkhead formula vibrating motor 06 vibrations that oil base detritus that falls into in detritus collection knockout drum 01 does not need artificial assistance just can get into the screw conveyer who lies in the detritus collection knockout drum 01 bottom automatically, effectively uses manpower resources and construction cost sparingly.
Examples
Referring to the accompanying drawings 1-4, which are schematic structural diagrams of a whole body and parts of an embodiment of the invention, the invention specifically discloses an integrated solid-liquid mixture separation and liquid storage tank, which is used for collecting oil-containing rock debris produced by an oil-based rock debris non-landing separation device and performing solid-liquid separation on the oil-containing rock debris, and comprises the following components:
the separating tank 01 is collected to the detritus, and the detritus is collected the separating tank 01 and has three lateral wall and one of them inclined lateral wall that arranges for the horizontal plane slope through the detritus collection separating tank 01 and have filtration hole 010, and the lateral wall that the detritus collection separating tank 01 slope is 30 with the contained angle of horizontal plane.
The first-stage filtrate collection tank 02 is positioned below the rock debris collection and separation tank 01, a tank opening is formed in the upper end of the first-stage filtrate collection tank 02 and is arranged corresponding to the filtering hole 010, and the tank opening is integrally formed in the lower end of the side wall of the rock debris collection and separation tank 01 corresponding to the periphery of the filtering hole 010;
second grade filtrating holding vessel 03, second grade filtrating holding vessel 03 are whole to be a hollow cuboid in inside, and second grade filtrating holding vessel 03 an organic whole is connected in one side of one-level filtrating holding vessel 02, set up an overflow mouth 020 with second grade filtrating holding vessel 03 intercommunication on the lateral wall that one-level filtrating holding vessel 02 is close to its jar mouthful highest end, and an overflow mouth 020 is whole to be the rectangle, and filters the top that the hole 010 is located an overflow mouth 020.
Further specifically, still including tertiary filtrating collecting tank 04, tertiary filtrating collecting tank 04 is whole to be a hollow cuboid, and the height is the same with second grade filtrating collecting tank 03's height, and tertiary filtrating collecting tank 04 body coupling is in one side of second grade filtrating collecting tank 03, and the overflow mouth two 030 that communicates with tertiary filtrating collecting tank 04 is seted up to the position that just is close to its tank deck on second grade filtrating collecting tank 03's lateral wall, and overflow mouth two 030 is whole to be the rectangle, and the long limit length of overflow mouth one 020 and overflow mouth two 030 is the same and equal horizontal arrangement, and the width of overflow mouth one 020 is less than the width of overflow mouth two 030.
More specifically, a spiral conveyor 05 is fixed and communicated with the bottom of the rock debris collecting and separating tank 01, and an included angle between a conveying screw of the spiral conveyor 05 and the horizontal plane is 45 degrees.
More specifically, a bin wall type vibration motor 06 is respectively fixed at the lower ends of three side walls of the rock debris collecting and separating tank 01 which are obliquely arranged relative to the horizontal plane and close to the bottom of the tank, and the bin wall type vibration motor 06 is installed at the position of one fourth of the length of the oblique side wall of the rock debris collecting and separating tank 01.
More specifically, a first stirrer 07, a second stirrer 08 and a third stirrer 09 are sequentially installed at the inner bottom of the first-stage filtrate collection tank 02, the second-stage filtrate collection tank 03 and the third-stage filtrate collection tank 04, and a first liquid pump 10, a second liquid pump 11 and a third liquid pump 12 which are communicated with the inner parts are sequentially installed outside the first-stage filtrate collection tank, the second-stage filtrate collection tank 03 and the third-stage filtrate collection tank 04.
More specifically, the height of the first overflow opening 020 is greater than the height of the second overflow opening 030.
The working process of the solid-liquid mixture separation and liquid storage integrated tank comprises the following steps:
(1) oil-based rock debris led out from oil-based rock debris separation equipment does not fall to the ground enters the rock debris collection and separation tank 01, the oil-based rock debris is accumulated in the rock debris collection and separation tank 01 continuously, part of liquid in the oil-based rock debris can enter the primary filtrate collection tank 02 through the filter holes 010 due to the arrangement of the filter holes 010, after the oil-based rock debris is accumulated to a certain amount in the rock debris collection and separation tank 01, the oil-based rock debris subjected to preliminary solid-liquid separation in the rock debris collection and separation tank 01 is led out to a drying machine located outside the integrated tank for drying by a drying machine through the spiral conveyor 05 arranged at the bottom of the rock debris collection and separation tank 01, the liquid thrown out in the process is discharged into the primary filtrate collection tank 02 through a pipeline, and the dry rock debris separated in the process directly falls into a dry rock debris storage tank (not shown in the figure) at the lower part of the drying machine, at this time, the primary filtrate collecting tank 02 includes therein the liquid introduced into the interior thereof through the above two separation channels, and has a density of 1.8 to 2.0g/cm3；
(2) Fine debris particles in the liquid stored in the primary filtrate collection tank 02 sink due to the action of gravity, so that the density of the upper mud is lower, the density of the lower mud is higher, and when the liquid level height of the liquid in the primary filtrate collection tank 02 is greater than or equal to the height of one 020 of the overflow port, the liquid with low density is obtainedWill flow into the second-stage filtrate collection tank 03 through the overflow port one 020, the position near the bottom in the first-stage filtrate collection tank 02 is provided with the liquid drawing port of the liquid drawing pump one 10, the liquid drawing pump one 10 draws the high-density liquid near the bottom of the first-stage filtrate collection tank 02 to the centrifuge positioned outside the integrated tank for primary centrifugal separation, at this time, the rotation speed of the centrifuge is 1800 and 2500 rpm, the liquid after primary centrifugal separation is discharged into the second-stage filtrate collection tank 03 through the pipeline, the thick slurry after centrifugal separation directly falls into the thick slurry storage tank (not shown in the figure) at the lower part, at this time, the second-stage filtrate collection tank 03 includes the liquid entering the inside through the two separation channels, when the density is less than or equal to 1.2g/cm3When the density of the mud is more than 1.2g/cm, the mud is directly pumped to a mud collecting tank of a drilling team positioned outside the integral tank by the second liquid pump 113Then, carrying out the step (3);
(3) liquid stored in the secondary filtrate collection tank 03 can be subjected to liquid stratification under the action of gravity, when the liquid level height of the liquid in the secondary filtrate collection tank 03 is greater than or equal to the height of the second overflow port 030, low-density liquid can flow into the third-stage filtrate collection tank 04 through the second overflow port 030, a liquid suction port of the second liquid suction pump 11 is arranged at a position close to the inner bottom of the secondary filtrate collection tank 03, the liquid with high density close to the bottom of the secondary filtrate collection tank 03 is pumped into the centrifuge for secondary centrifugal separation by the second liquid suction pump 11, at this time, the rotation speed of the centrifuge is 2800-, at this time, the third-stage filtrate collecting tank 04 comprises the liquid entering the interior thereof through the two separation channels, and the density of the liquid is less than or equal to 1.2g/cm3The liquid in the tertiary filtrate collection tank 04 is pumped by the liquid pump three 12 into the mud collection tank.
Since the oil-based detritus non-landing separation device, the dryer, the dry detritus storage tank, the thick slurry storage tank, the centrifuge and the mud collection tank of the drilling rig belong to the mature prior art, and the important point to be protected in the invention is the function and structure of the solid-liquid mixture separation and liquid storage integrated tank, so the structure and the connection relationship are not explained in detail.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides an integrative jar is stored with liquid in separation of solid-liquid mixture for collect the oily detritus that comes from oil base detritus not fall to ground splitter output, and carry out solid-liquid separation to it, its characterized in that includes:
the rock debris collecting and separating tank (01) is provided with a plurality of side walls which are obliquely arranged relative to a horizontal plane, and one oblique side wall is provided with a filtering hole (010);
the upper end of the primary filtrate collecting tank (02) is provided with a tank opening and is arranged corresponding to the filtering hole (010), and the tank opening is connected to the lower end of the side wall of the rock debris collecting and separating tank (01) corresponding to the periphery of the filtering hole (010);
second grade filtrating surge drum (03), second grade filtrating surge drum (03) body coupling is in one side of one-level filtrating surge drum (02) be close to its jar mouthful of the highest end on the lateral wall seted up with overflow mouth (020) of second grade filtrating surge drum (03) intercommunication, filtration hole (010) are located the top of overflow mouth (020).
2. The solid-liquid mixture separation and liquid storage integrated tank as claimed in claim 1, further comprising a third-stage filtrate collection tank (04), wherein the third-stage filtrate collection tank (04) is integrally connected to one side of the second-stage filtrate collection tank (03), and an overflow port II (030) communicated with the third-stage filtrate collection tank (04) is formed in the side wall of the second-stage filtrate collection tank (03) and is close to the top of the second-stage filtrate collection tank.
3. A solid-liquid mixture separation and liquid storage integrated tank according to claim 1, characterized in that a screw conveyor (05) is fixed and communicated with the bottom of the rock debris collecting and separating tank (01).
4. The solid-liquid mixture separation and liquid storage integrated tank as claimed in claim 1, wherein a bin wall type vibration motor (06) is fixed at a position close to the bottom of the tank at the lower end of the side wall of the rock debris collecting and separating tank (01) arranged obliquely relative to the horizontal plane.
5. The integrated tank for solid-liquid mixture separation and liquid storage according to claim 2, wherein a first stirrer (07), a second stirrer (08) and a third stirrer (09) are sequentially installed at the inner bottoms of the primary filtrate collection tank (02), the secondary filtrate collection tank (03) and the tertiary filtrate collection tank (04), and a first liquid pump (10), a second liquid pump (11) and a third liquid pump (12) which are communicated with the inside are sequentially installed at the outer parts of the first stirrer, the second stirrer and the third stirrer.
6. The integrated solid-liquid mixture separation and liquid storage tank as claimed in claim 2, wherein the height of the first overflow port (020) is greater than the height of the second overflow port (030).
7. The application method of the solid-liquid mixture separation and liquid storage integrated tank as claimed in claims 1-6, characterized by comprising the following steps:
the working process of the solid-liquid mixture separation and liquid storage integrated tank comprises the following steps:
(1) oil-based rock debris led out from oil-based rock debris separation equipment does not fall to the ground enters a rock debris collection and separation tank (01), the oil-based rock debris is accumulated in the rock debris collection and separation tank (01), as the oil-based rock debris is provided with a filtering hole (010), part of liquid in the oil-based rock debris can enter a primary filtrate collection tank (02) through the filtering hole (010), after the oil-based rock debris is accumulated to a certain amount in the rock debris collection and separation tank (01), the oil-based rock debris which is subjected to preliminary solid-liquid separation in the rock debris collection and separation tank (01) is led out to a drying machine positioned outside the integrated tank for drying through a spiral conveyor (05) arranged at the bottom of the rock debris collection and separation tank (01), the liquid thrown out in the drying process is discharged into the primary filtrate collection tank (02) through a pipeline, and the dried rock debris separated in the drying process is directly stored in a dry rock debris storage tank at the lower part of the drying machine, at this time, the primary filtrate collecting tank (02) includes therein the liquid introduced into the interior thereof through the two separation channels, and has a density of 1.8 to 2.0g/cm3；
(2) When the liquid level height of the liquid in the primary filtrate collection tank (02) is larger than or equal to the height of the overflow port I (020), the low-density liquid flows into the secondary filtrate collection tank (03) through the overflow port I (020), a liquid drawing port of the liquid drawing pump I (10) is arranged at a position close to the bottom in the primary filtrate collection tank (02), the liquid drawing pump I (10) draws the high-density liquid close to the bottom of the primary filtrate collection tank (02) to a centrifugal machine outside the integrated tank for primary centrifugal separation, at the moment, the rotating speed of the centrifugal machine is 1800-2500 rpm, and the liquid after the primary centrifugal separation is discharged into the secondary filtrate collection tank (03) through a pipeline, the thick liquid after centrifugal separation directly falls into a thick liquid storage tank at the lower part, and at the moment, the second stepThe stage filtrate collecting tank (03) comprises liquid entering the interior of the stage filtrate collecting tank through the two separation channels, and when the density of the liquid is less than or equal to 1.2g/cm3When the density of the mud is more than 1.2g/cm, the mud is directly pumped to a mud collecting tank of a drilling team positioned outside the integral tank by the second liquid pump (11)3Then, carrying out the step (3);
(3) liquid stratification can occur to the liquid stored in the secondary filtrate collecting tank (03) due to the action of gravity, when the liquid level height of the liquid in the secondary filtrate collecting tank (03) is greater than or equal to the height of the overflow port II (030), low-density liquid can flow into the tertiary filtrate collecting tank (04) through the overflow port II (030), a liquid pumping port of the liquid pumping pump II (11) is arranged at a position close to the bottom in the secondary filtrate collecting tank (03), the liquid pumping pump II (11) pumps the high-density liquid close to the bottom of the secondary filtrate collecting tank (03) to the centrifuge for secondary centrifugal separation, at the moment, the rotation speed of the centrifuge is 2800 and 3200 revolutions per minute, the liquid after the secondary centrifugal separation is discharged into the tertiary filtrate collecting tank (04) through a pipeline, and the thick slurry after the centrifugal separation directly enters the thick slurry storage tank at the lower part, at the moment, the three-stage filtrate collecting tank (04) comprises liquid entering the three-stage filtrate collecting tank through the two separation channels, and the density of the liquid is less than or equal to 1.2g/cm3The liquid in the tertiary filtrate collection tank (04) is pumped by the liquid pump three (12) into the mud collection tank.
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