CN109939469A - A kind of draining sand method of setting pot - Google Patents

A kind of draining sand method of setting pot Download PDF

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Publication number
CN109939469A
CN109939469A CN201711389434.5A CN201711389434A CN109939469A CN 109939469 A CN109939469 A CN 109939469A CN 201711389434 A CN201711389434 A CN 201711389434A CN 109939469 A CN109939469 A CN 109939469A
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CN
China
Prior art keywords
sand
liquid
setting pot
hydrocyclone
expelled
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Pending
Application number
CN201711389434.5A
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Chinese (zh)
Inventor
王强
李德强
李贵生
李刚
苗苗
闫刘斌
王冬梅
赵相振
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Petrochina Co Ltd
China Petroleum and Natural Gas Co Ltd
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China Petroleum and Natural Gas Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by China Petroleum and Natural Gas Co Ltd filed Critical China Petroleum and Natural Gas Co Ltd
Priority to CN201711389434.5A priority Critical patent/CN109939469A/en
Publication of CN109939469A publication Critical patent/CN109939469A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a kind of draining sand methods of setting pot, belong to sediment outflow technology field.This method comprises: sand removing device is arranged in setting pot, during handling the load fluid in setting pot, by the liquid in power-equipment sucks sewage pond and it is expelled to sand removing device, sand removing device makes the liquid for being expelled to sand removing device that jet effect occur based on the jet characteristics of itself, and then sand removing device is made to have wicking properties.Sand removing device is based on the load fluid in wicking properties suction setting pot, and it exports after being mixed the liquid that the load fluid of suction and power-equipment aspirate to hydrocyclone, the separation of mixing liquid sand grains and liquid is realized in hydrocyclone, and the liquid isolated is expelled to cesspool, realize recycling for water resource.The present invention mention in sand treatment process to the load fluid in setting pot by sand removing device, avoids under high-concentration oxygen environment where setting pot that there are running gears, to eliminate security risk.

Description

A kind of draining sand method of setting pot
Technical field
The present invention relates to sediment outflow technology field, in particular to a kind of draining sand method of setting pot.
Background technique
In the recovery process to loose sand oil accumulation, part sand grains is inevitably carried in Produced Liquid.Passing through original When the separation vessel that oily gathering system includes separates the sand grains carried in Produced Liquid, with the accumulation of time, separation is held Device bottom may deposit thicker sand grains, to occupy the part space interior of separation vessel, the separation of separation vessel be caused to be imitated Rate reduces.Therefore, sand removal, sediment outflow processing periodically can be carried out to separation vessel.In the sand removal and sediment outflow process to separation vessel In, the sand grains deposited in separation vessel can be removed by process pipelines to setting pot, and then pass through a kind of row of setting pot Sand method handles the sand grains carried in the load fluid in setting pot.
In the related technology, long shaft submerged pump can be set right above setting pot, eddy flow can be set except setting pot and remove Sand device.In this way, long shaft submerged pump can aspirate load fluid out of setting pot, and it is expelled to hydrocyclone, passes through Swirling flow sand-removing Device realizes the separation to load fluid sand grains and liquid.The liquid isolated is expelled to cesspool by hydrocyclone, and by dirt Long shaft submerged pump right above pond is expelled to the separation vessel in crude oil gathering system from cesspool pumping liquid.
However, during being aspirated by long shaft submerged pump to the load fluid in setting pot, when in setting pot When liquid level is lower, the long axis of long shaft submerged pump may shake, it is easy to cause the bearing shell on long axis that rupture occurs and mill simultaneously High temperature is generated, so as to issue raw fire explosion in high-concentration oil vapor environment.
Summary of the invention
In order to solve in the related technology the load fluid in setting pot is carried out mentioning fire present in sand treatment process it is quick-fried The safety problem waited is fried, the embodiment of the invention provides a kind of draining sand methods of setting pot.The technical solution is as follows:
The embodiment of the invention provides a kind of draining sand methods of setting pot, are applied to power-equipment, sand removing device and eddy flow Desander, the draining sand method include:
The power-equipment pumping liquid and is expelled to the sand removing device from cesspool;
Load fluid in jet stream wicking properties that the sand removing device is had based on itself suction setting pot, and by suction Load fluid is expelled to the hydrocyclone;
The hydrocyclone in the load fluid sand grains and liquid separate, and by the liquid isolated be discharged To the cesspool.
Optionally, the hydrocyclone is to the sand grains in the load fluid and after liquid separates, further includes:
The liquid isolated is expelled to the bottom of the setting pot by the hydrocyclone.
Optionally, the process pipelines that the liquid that the hydrocyclone is isolated is expelled to the setting pot are equipped with valve Door;
The liquid isolated is expelled to after the bottom of the setting pot by the hydrocyclone, further includes:
When the liquid level of load fluid in the setting pot is less than default liquid level, the valve is closed.
Optionally, the setting pot is connected to the cesspool, and the height of the connection liquid level on the setting pot is big In the height of the connection liquid level on the cesspool.
Optionally, the sand removing device include inlet tube, nozzle, pipette, mixing aggregated structure, trunnion, diffuser and Drain pipe;
Load fluid in jet stream wicking properties that the sand removing device is had based on itself suction setting pot, and by suction Load fluid is expelled to the hydrocyclone, comprising:
Jet characteristics of the liquid flowed through in the inlet tube based on the nozzle, in the inner cavity of the mixing aggregated structure Generate subnormal ambient;
The pipette is based on the mixing aggregated structure because the wicking properties that subnormal ambient has aspirate the setting pot Interior load fluid;
The trunnion exports after mixing to the load fluid of inflow and the liquid to the diffuser;
The diffuser through the drain pipe is expelled to the hydrocyclone after being diffused to the mixing liquid of inflow.
Optionally, the power-equipment includes self priming pump and matched power equipment, the power-equipment and the sand setting The distance between pond is greater than minimum safe distance.
Optionally, the process pipelines high-altitude between the power-equipment and the sand removing device is set up;
The sand removing device is installed in the setting pot, and the sand removing device aspirates liquid sucting port and the institute of the load fluid The sand face stated in setting pot is concordant;
Process pipelines high-altitude between the sand removing device and the hydrocyclone is set up, and with the power-equipment with Process pipelines between the sand removing device are concordant.
Technical solution provided in an embodiment of the present invention has the benefit that in the embodiment of the present invention, by sand setting Sand removing device is set in pond, during handling the load fluid in setting pot, by power-equipment sucks sewage pond Liquid is simultaneously expelled to sand removing device, and sand removing device makes the liquid for being expelled to sand removing device that jet stream occur based on the jet characteristics of itself Phenomenon, and then make sand removing device that there are wicking properties.Sand removing device aspirates the load fluid in setting pot based on wicking properties, and will Output is realized in hydrocyclone to hydrocyclone after the liquid of load fluid and the power-equipment suction of suction is mixed The separation of mixing liquid sand grains and liquid, and the liquid isolated is expelled to cesspool, realize recycling for water resource. The load fluid in setting pot mention in sand treatment process by sand removing device, is avoiding the high concentration oxygen where setting pot There are running gears under compression ring border, to eliminate security risk, improve the safety that sand processing is proposed to load fluid in setting pot Coefficient.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is a kind of structural schematic diagram of the sand-removing system of setting pot provided in an embodiment of the present invention;
Fig. 2A is the structural schematic diagram of the first sand removing device provided in an embodiment of the present invention;
Fig. 2 B is the structural schematic diagram of second of sand removing device provided in an embodiment of the present invention;
Fig. 3 A is a kind of flow diagram of the draining sand method of setting pot provided in an embodiment of the present invention;
Fig. 3 B is a kind of sand removing device suction load fluid provided in an embodiment of the present invention and the stream for being expelled to hydrocyclone Journey schematic diagram.
Appended drawing reference:
1: power-equipment;2: sand removing device;3: hydrocyclone;
21: inlet tube;22: nozzle;23: pipette;24: mixing aggregated structure;25: trunnion;26: diffuser;27: drain Pipe;28: shell;29: sucker.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail.
In order to make it easy to understand, first implementing to the present invention before embodiment of the present invention is described further in detail The system construction drawing that mode is related to is introduced.
Fig. 1 is a kind of structural schematic diagram of the sand-removing system of setting pot provided in an embodiment of the present invention.Referring to Fig. 1, this is System include power-equipment 1, sand removing device 2 and hydrocyclone 3, the liquid sucting port of power-equipment 1 be located at the liquid level of cesspool hereinafter, The outlet of power-equipment 1 is connect with the inlet of sand removing device 2 by process pipelines, and sand removing device 2 is fixed in setting pot, The liquid sucting port of sand removing device 2 is concordant with the sand face in setting pot, the outlet of sand removing device 2 and the inlet of hydrocyclone 3 It is connected by process pipelines, the leakage fluid dram of hydrocyclone 3 is connect with setting pot and cesspool respectively by process pipelines.
Wherein, power-equipment 1 is used for the pumping liquid out of cesspool and is expelled to sand removing device 2;Sand removing device 2 is used for base In the jet characteristics of itself, the liquid for flowing through sand removing device 2 generates jeting effect, while based on siphon caused by jeting effect Characteristic generates siphon to the load fluid in setting pot by the liquid sucting port of sand removing device 2, later mixes load fluid and liquid Hydrocyclone 3 is expelled to after conjunction.Hydrocyclone 3 leads to for separating to the sand grains in mixed mixing liquid It crosses sand removing hole the sand grains isolated is discharged, the liquid isolated is expelled to by cesspool and setting pot by leakage fluid dram.
Next it describes in detail to the sand removing device that system construction drawing is related to.
Fig. 2A is a kind of sand removing device provided in an embodiment of the present invention.A referring to fig. 2, sand removing device 2 include: inlet tube 21, Nozzle 22, at least one pipette 23, mixing aggregated structure 24, trunnion 25, diffuser 26 and drain pipe 27.
Mixing aggregated structure 24 is the cavity body structure of sealing, and nozzle 22 is located inside mixing aggregated structure 24, inlet tube 21 Outlet pass through mixing aggregated structure 24 connect with nozzle 22;The outlet of each pipette 23 at least one pipette 23 It is connected to mixing aggregated structure 24, the axial direction of each pipette 23 is with inlet tube 21 axially at the first predetermined angle;Trunnion 25 One end with mixing aggregated structure 24 be connected to, one end that the other end of trunnion 25 is small with internal diameter on diffuser 26 is connect, diffuser The big one end of internal diameter is connect with the inlet of drain pipe 27 on 26.
The present invention is by the way that the sand removing device to be fixed in setting pot, when the liquid for flowing through inlet tube flows through nozzle, Jet phenomenon is generated under the action of nozzle, swiftly flowing liquid drives the air of mixing aggregated structure inner cavity to generate flowing, from And subnormal ambient is formed in mixing aggregated structure inner cavity.Later, due to the subnormal ambient of mixing aggregated structure inner cavity, so that imbibition The pressure of one end of Guan Shangyu mixing aggregated structure connection is less than the pressure of the other end, to make the load fluid in setting pot along extremely Siphonage occurs respectively for a few pipette, aspirates the load fluid in setting pot and is expelled to mixing aggregated structure.Pipette After the liquid of load fluid and the nozzle injection of suction is mixed in trunnion, when mixed fluid flows through diffuser, expanding Pressure energy is converted into kinetic energy under the action of separate tube, is discharged with the self-energy based on mixed fluid along drain pipe.The row Sand device avoids during carrying out mentioning sand to the load fluid in setting pot that there are running gears, eliminates high-concentration oil vapor Security risk under environment.
Wherein, sand removing device 2 is fixed in setting pot, when liquid flows through nozzle 22, in order to guarantee nozzle 22 to liquid The jeting effect of body, so that the inner cavity of mixing aggregated structure 24 forms enough subnormal ambients, nozzle 22 can be round table-like knot Structure, and the angular range between the bus and axial direction of nozzle 22 can be 10 degree of -25 degree, the diameter range of 22 upper bottom surface of nozzle can Think 6 millimeters -12 millimeters.Certainly, nozzle 22 be in addition to that can be conical structure, can also be other structures, as long as can be The inner cavity for mixing aggregated structure 24 forms subnormal ambient.
Under the subnormal ambient of the inner cavity of mixing aggregated structure 24, in order to guarantee to take sand in setting pot in pipette 23 Liquid can reach that better suction effect is more preferable when being aspirated, avoid being short of power when aspirating load fluid, pipette 23 Inside diameter ranges can be 25 millimeters -40 millimeters.Meanwhile when uneven in order to avoid the load fluid in setting pot, at least one A pipette 23 may aspirate the load fluid in the biggish region of sand grains concentration simultaneously, so as to cause the dynamic of pipette suction load fluid Power is less than the total weight of load fluid, so that cannot achieve the suction to load fluid.It therefore, can be by least one pipette 23 Liquid sucting port be evenly distributed on the different suction areas in setting pot, that is to say, at least one pipette 23 can be along feed liquor The radially uniform distribution of pipe 21, and the range of the first predetermined angle between the axial direction of pipette 23 and the axial direction of inlet tube 21 can Think 30 degree of -75 degree, to realize the suction to the load fluid of different zones in setting pot, and expands pipette 3 in setting pot Suction areas.
It, can be with after guaranteeing that mixed fluid flows through diffuser 26 when fluid upon mixing flows through diffuser 26 It is expelled to preset height along drain pipe 27 by the kinetic energy of itself, the inside diameter ranges of the big one end of internal diameter can be on diffuser 26 80 millimeters -100 millimeters.Wherein, preset height can be designed based on the elevation for the processing equipment connecting with sand removing device 2, For example, the preset height can be 4 meters, 5 meters or 6 meters etc., it is not limited in the embodiment of the present invention.
When sand removing device 2 to be fixed in setting pot, for the ease of the fixation to sand removing device 2, after avoiding long-time Sand removing device 2 shakes, referring to fig. 2 B, and sand removing device 2 can also include shell 28;Mix aggregated structure 24,25 and of trunnion Diffuser 26 is located inside shell 28, and the inlet of inlet tube 21 is located at the outside of shell 28, and the outlet of inlet tube 21 passes through Shell 28 is connect with nozzle 22, and the liquid sucting port of pipette 23 is located at the outside of shell 28, and the outlet of pipette 23 passes through shell 28 are connected to mixing aggregated structure 24, and the inlet of drain pipe 27 passes through one end that internal diameter is big on shell 28 and diffuser 26 and connects It connects, the outlet of drain pipe 27 is located at the outside of shell 28.
When using sand removing device 2, sand removing device 2 can be fixed in setting pot by fixed shell 28.Wherein, shell Body 28 can be the rectangular configuration of sealing, it is of course also possible to be by support bar group at framework rectangular configuration or other shapes The structure of shape, the embodiment of the present invention are not construed as limiting this.In sand removing device 2 fixed by shell 28, it is preferable that on shell 28 Contact face with setting pot is planar structure, thus contact area when increasing fixed sand removing device 2, to guarantee sand removing device 2 can be more stably mounted in setting pot.
In fixed sand removing device 2, A or Fig. 2 B referring to fig. 2, the axial direction of nozzle 22 and axial direction, the inlet tube of drain pipe 27 21 axial direction can be parallel to each other, and to reduce the space occupied in setting pot, while can also reduce the processing charges of shell 28 With.Certainly, when liquid flows to nozzle 22 through inlet tube 21, the axial direction of inlet tube 21 and the axial direction of nozzle 22 can also be at thirds Predetermined angle, to reduce the loss of liquid hydraulic energy when flowing to nozzle 22 through inlet tube 21.Wherein, third predetermined angle It can be configured in advance, for example, third predetermined angle can be 10 degree, 20 degree or 30 degree etc., in the waterpower for reducing liquid While the loss of energy, sand removing device 2 is avoided to occupy larger space, increases the processing charges of shell 28.
Jet phenomenon occurs under the action of nozzle 22 when liquid flows through nozzle 22, in order to guarantee that the liquid after injection can be with More unobstructed flow to trunnion 25, referring to fig. 2 A, and the axial direction of nozzle 22 can be located on the same line with the axial direction of trunnion 25, from And reduce the drag losses of hydraulic energy caused by when liquid is flowed through to trunnion 25 in mixing aggregated structure 24.
When each pipette 23 aspirates the load fluid in setting pot, since the lower position sand grains of liquid level in setting pot is dense Degree may be bigger, when larger in order to avoid the sand grains concentration of the load fluid of pipette suction, causes the gravitional force of load fluid big In the pressure potential that the subnormal ambient that the inner cavity of mixing aggregated structure 24 is formed generates, to cannot achieve the pumping to load fluid It inhales.Therefore, A or Fig. 2 B referring to fig. 2, the end face of the liquid sucting port of each pipette 23 and it is axial can at the second predetermined angle, It is the load fluid of different liquid levels in the liquid sucting port suction setting pot of each pipette 23, it is therefore preferred that each pipette It the end face of 23 liquid sucting port can be axial parallel with nozzle 22.When the sand grains concentration of load fluid in setting pot is more uniform, It is the pressure potential for the subnormal ambient generation that the inner cavity for being greater than mixing aggregated structure 24 there is no the gravitional force of load fluid is formed Can, the end face of the liquid sucting port of each pipette 23 can be axially vertical with nozzle 22.
Wherein, the second predetermined angle can be pre-designed based on the first predetermined angle, for example, when the first predetermined angle When being 45 degree, the second predetermined angle may range from 45 degree of -90 degree.
Further, in order to expand suction areas of the pipette 23 in setting pot, A or Fig. 2 B referring to fig. 2, at least one The height of the liquid sucting port of pipette 23 can not be identical, to guarantee different liquid levels at least one pipette 23 suction setting pot Load fluid increases the suction areas that pipette 23 aspirates load fluid.
When aspirating load fluid by least one pipette 23, in order to expand the suction areas of each pipette 23, ginseng See that Fig. 2 B, sand removing device 2 can also include sucker 29, the liquid sucting port of each pipette 23 is connect with sucker 29.Pass through sucker 29 Expand the suction areas of pipette 23, sand efficiency mentioned to load fluid in setting pot to improve sand removing device 2.
Fig. 3 A is a kind of flow diagram of the draining sand method of setting pot provided in an embodiment of the present invention.It, should referring to Fig. 3 A Method is applied to power-equipment, sand removing device and hydrocyclone, which includes the following steps.
Step 301: power-equipment pumping liquid and is expelled to sand removing device from cesspool.
The equipment that turns on the power when handling the load fluid in setting pot passes through power after start-up of power plant Liquid in equipment sucks sewage pond, and it is expelled to sand removing device.
Wherein, power-equipment may include self priming pump and matched power equipment, between power-equipment and setting pot away from From greater than minimum safe distance.Minimum safe distance can refer to gas concentration be less than gas concentration lower explosion limit location point with The distance between setting pot.Self priming pump is used for the pumping liquid out of cesspool and is expelled to sand removing device, and power equipment is for being Self priming pump provides power supply.
It further, can be by power-equipment, sand removing device and eddy flow before handling the load fluid in setting pot Installation connection is carried out by process pipelines between desander.Wherein, in order to avoid being made when the process pipelines of connection are located at ground At security risk, and provide higher inlet hydraulic for hydrocyclone, can be with to improve the separating effect of sand grains and liquid Process pipelines between power-equipment and sand removing device are subjected to high-altitude erection.Sand removing device is installed in setting pot, makes to arrange The liquid sucting port that sand device aspirates load fluid is concordant with the sand face in setting pot.In order to which the whole visual effect of process pipelines is more beautiful It sees, the process pipelines between sand removing device and hydrocyclone also carry out high-altitude erection, and can fill with power-equipment and sediment outflow Process pipelines between setting are concordant.It is, of course, also possible to by other means by power-equipment, sand removing device and hydrocyclone it Between by process pipelines carry out installation connection, it is not limited in the embodiment of the present invention.
Step 302: the load fluid in jet stream wicking properties suction setting pot that sand removing device is had based on itself, and will take out The load fluid of suction is expelled to hydrocyclone.
Power-equipment is expelled to the liquid of sand removing device based on the jet characteristics of sand removing device itself, is flowing through sand removing device Shi Fasheng jet effect, and then make sand removing device that there are wicking properties.Later, the wicking properties based on sand removing device aspirate sand setting Load fluid in pond, and the load fluid of suction is expelled to hydrocyclone.
Wherein, when sand removing device is as shown in above-mentioned Fig. 2A or Fig. 2 B, referring to Fig. 3 B, sand removing device can be by walking as follows Rapid 3021- step 3024 realizes the load fluid in the jet stream wicking properties suction setting pot having based on itself, and by suction Load fluid is expelled to hydrocyclone.
3021: jet characteristics of the liquid flowed through in inlet tube based on nozzle generate negative in the inner cavity of mixing aggregated structure Pressure ring border.
When liquid is flowed through through inlet tube to nozzle, based on the jet characteristics of nozzle itself, the pressure potential of itself is turned It is changed to kinetic energy, in the inner cavity of mixing aggregated structure, it is same that swiftly flowing liquid drives the air of mixing aggregated structure inner cavity to generate Step flowing, to form subnormal ambient in the inner cavity of mixing aggregated structure.
3022: taking sand in the wicking properties suction setting pot that pipette is had based on mixing aggregated structure by subnormal ambient Liquid.
Mixing aggregated structure inner cavity formed subnormal ambient after, due in pipette with mixing aggregated structure be connected to one The locating pressure in end is less than pressure locating for the other end, to make pipette have wicking properties, and then logical based on wicking properties Cross the load fluid in pipette suction setting pot.
3023: trunnion exports after mixing to the load fluid and liquid of inflow to diffuser.
Pipette aspirates the load fluid in setting pot and is expelled to mixing aggregated structure, mixes the load fluid in aggregated structure It exports with liquid to trunnion, and load fluid and liquid is mixed by trunnion.For the ease of hydrocyclone to sand grains The inlet position of cyclonic separation, hydrocyclone is higher, therefore, the energy of itself is relied on for the ease of mixed mixing liquid Amount output can first export mixing liquid to diffuser to the height where the inlet position of hydrocyclone.
3024: diffuser through drain pipe is expelled to hydrocyclone after being diffused to the mixing liquid of inflow.
Since the internal diameter of the inlet of diffuser is less than the internal diameter of leakage fluid dram, when mixing liquid flows through diffuser The pressure potential of itself can be converted to kinetic energy, and then be expelled to hydrocyclone through drain pipe under flow at high speed.
Step 303: hydrocyclone in mixing liquid sand grains and liquid separate, and by the liquid isolated arrange Out to cesspool.
The mixing liquid of hydrocyclone is expelled under the action of the cyclonic separation of hydrocyclone by sand removing device, To in mixing liquid liquid and sand grains separate.For the sand grains in mixing liquid, the sand grains isolated can be discharged It is handled, for the liquid in mixing liquid, the fluid isolated can be expelled to cesspool, realize that the circulation of liquid makes With avoiding the waste of resource.
Further, by hydrocyclone, to the sand grains in mixing liquid and after liquid separates, eddy flow is removed The liquid isolated can also be expelled to the bottom of setting pot by sand device, realize the stirring to load fluid in setting pot, improved and inhaled Liquid pipe avoids the pumping efficiency that load fluid is reduced because of load fluid uneven concentration in setting pot, very to the suction effect of load fluid It is blocked up into the mixing aggregated structure caused in sand removing device when sand grains density large area aspirates load fluid because of sand grains deposition Plug.
When the liquid isolated is expelled to setting pot by hydrocyclone, being expelled on the process pipelines of setting pot can be with Equipped with valve, during the liquid isolated is expelled to the bottom of setting pot by hydrocyclone, taking in setting pot When the liquid level of sand liquid is less than default liquid level, valve is closed.It that is to say, sand processing is being mentioned to the load fluid in setting pot When being near completion, the valve being arranged on the process pipelines that can close between hydrocyclone and setting pot, by hydrocyclone The liquid that sub-argument goes out is expelled to cesspool.
It should be noted that during carrying out proposing sand processing to the load fluid in setting pot, setting pot and cesspool It can be connection, and the height of the connection liquid level on setting pot is greater than the height of the connection liquid level on cesspool, to avoid In proposing sand treatment process, the excessively high spilling setting pot of liquid level in setting pot.
The present invention in setting pot by being arranged sand removing device, during handling the load fluid in setting pot, leads to The liquid crossed in power-equipment sucks sewage pond is simultaneously expelled to sand removing device, and sand removing device is based on jet characteristics possessed by nozzle So that the liquid for being expelled to sand removing device is occurred jet effect when flowing through nozzle, and then is formed in the inner cavity of mixing aggregated structure negative Pressure ring border, to make pipette that there are wicking properties.Pipette will be taken out based on the load fluid in wicking properties suction setting pot Suction load fluid and power-equipment suction liquid after trunnion is mixed after diffuser is spread, by drain pipe export to Hydrocyclone.Hydrocyclone realizes the separation of sand grains and liquid to the mixing liquid that sand removing device is discharged, and will isolate Liquid be expelled to cesspool and setting pot, realize recycling for water resource, at the same to the load fluid stirring in setting pot after Improve the pumping efficiency of load fluid.The load fluid in setting pot mention in sand treatment process by sand removing device, is being kept away Exempt under high-concentration oxygen environment where setting pot that there are running gears, to eliminate security risk, has improved to sand setting Load fluid proposes the safety coefficient of sand processing in pond.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (7)

1. a kind of draining sand method of setting pot, which is characterized in that be applied to power-equipment, sand removing device and hydrocyclone, institute Stating draining sand method includes:
The power-equipment pumping liquid and is expelled to the sand removing device from cesspool;
The load fluid in jet stream wicking properties suction setting pot that the sand removing device is had based on itself, and sand is taken into suction The hydrocyclone is expelled to after the liquid mixing of liquid and power-equipment suction;
The hydrocyclone in mixing liquid sand grains and liquid separate, and the liquid isolated is expelled to described Cesspool.
2. draining sand method as described in claim 1, which is characterized in that the hydrocyclone in mixing liquid sand grains and After liquid is separated, further includes:
The liquid isolated is expelled to the bottom of the setting pot by the hydrocyclone.
3. draining sand method as claimed in claim 2, which is characterized in that the liquid that the hydrocyclone is isolated is expelled to institute The process pipelines for stating setting pot are equipped with valve;
The liquid isolated is expelled to after the bottom of the setting pot by the hydrocyclone, further includes:
When the liquid level of load fluid in the setting pot is less than default liquid level, the valve is closed.
4. draining sand method a method according to any one of claims 1-3, which is characterized in that the setting pot is to be connected to the cesspool , the height of the connection liquid level on the setting pot is greater than the height of the connection liquid level on the cesspool.
5. draining sand method as described in claim 1, which is characterized in that the sand removing device includes inlet tube, nozzle, imbibition Pipe, mixing aggregated structure, trunnion, diffuser and drain pipe;
The load fluid in jet stream wicking properties suction setting pot that the sand removing device is had based on itself, and sand is taken into suction The hydrocyclone is expelled to after the liquid mixing of liquid and power-equipment suction, comprising:
Jet characteristics of the liquid flowed through in the inlet tube based on the nozzle are generated in the inner cavity of the mixing aggregated structure Subnormal ambient;
The pipette is based on the mixing aggregated structure because in the wicking properties that subnormal ambient has the aspirate setting pot Load fluid;
The trunnion exports after mixing to the load fluid of inflow and the liquid to the diffuser;
The diffuser through the drain pipe is expelled to the hydrocyclone after being diffused to the mixing liquid of inflow.
6. draining sand method as described in claim 1, which is characterized in that the power-equipment includes self priming pump and matched electric power Equipment, the distance between the power-equipment and the setting pot are greater than minimum safe distance.
7. the draining sand method as described in claim 1-3,5-6 is any, which is characterized in that the power-equipment and the sediment outflow fill Process pipelines high-altitude between setting is set up;
The sand removing device is installed in the setting pot, and the liquid sucting port that the sand removing device aspirates the load fluid sinks with described Sand face in sand pond is concordant;
Process pipelines high-altitude between the sand removing device and the hydrocyclone is set up, and with the power-equipment with it is described Process pipelines between sand removing device are concordant.
CN201711389434.5A 2017-12-21 2017-12-21 A kind of draining sand method of setting pot Pending CN109939469A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003033606A (en) * 2001-07-26 2003-02-04 Mikiaki Yamaguchi Solid-liquid separation apparatus for waste liquid
CN203425569U (en) * 2013-08-12 2014-02-12 中国石油化工股份有限公司 Sewage sand removal device
CN206309665U (en) * 2016-11-29 2017-07-07 恩曼技术(北京)有限公司 The vertical sand removing device of Water-power negative-pressure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003033606A (en) * 2001-07-26 2003-02-04 Mikiaki Yamaguchi Solid-liquid separation apparatus for waste liquid
CN203425569U (en) * 2013-08-12 2014-02-12 中国石油化工股份有限公司 Sewage sand removal device
CN206309665U (en) * 2016-11-29 2017-07-07 恩曼技术(北京)有限公司 The vertical sand removing device of Water-power negative-pressure

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