CN207391223U - A kind of oil gas field oil-cut mud landwaste processing equipment - Google Patents
A kind of oil gas field oil-cut mud landwaste processing equipment Download PDFInfo
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- CN207391223U CN207391223U CN201720538671.2U CN201720538671U CN207391223U CN 207391223 U CN207391223 U CN 207391223U CN 201720538671 U CN201720538671 U CN 201720538671U CN 207391223 U CN207391223 U CN 207391223U
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Abstract
The utility model discloses a kind of oil gas field oil-cut mud landwaste processing equipments.Oil-cut mud landwaste is diluted into slime water, it is separated from slime water fuel-displaced, recycle the oil isolated, obtain the mud landwaste to precipitate and the fuel-displaced sewage with after mud landwaste of separation, the mud landwaste to precipitate is carried out dehydrating, the water of abjection is sewage, cure the mud landwaste being dehydrated with energy recycling, the sewage of the oily mud-water separation step of processing and dehydration to discharge standard or can recycling, can oil recovery, mud landwaste energy recycling, water also can recycling, turn waste into wealth, there is great social and economic significance, avoid environmental pollution.
Description
Technical field
It is applied the utility model is related to a kind of at the equipment of oil gas field more particularly to a kind of oil gas field oil-cut mud landwaste
Manage equipment.
Background technology
It needs to cure the borehole wall and lubrication drill bit, the mud using mud in oil gas field (oil field+gas field) drilling process
It is divided into oil-cut mud and not oil-cut mud.Oil-cut mud can not obtain more perfect processing in oil field.Oil-cut mud is boring
It can play the role of lubricating drill bit in well, the oil-cut mud and well drilling detritus must carry out after drillng operation before discarded
Processing.Traditional handicraft is that coagulant is added into mud, is then somebody's turn to do by filter press by oil precipitation and coagulation to solid sludges
Sludge curing increases the difficulty of recycling, adds processing cost, and causes pollution.
Utility model content
The utility model provides a kind of oil gas field oil-cut mud landwaste processing equipment, which overcomes oil-containing in background technology
The deficiency of mud landwaste processing.
The used technical solution that the utility model solves its technical problem is：
A kind of oil gas field oil-cut mud landwaste processing equipment, including：
Dilution device is connected dilute including a cut-back tank, the mud landwaste input-output device of a connection cut-back tank, one
It releases container and is installed in the agitating device of cut-back tank to add the water feed apparatus of new water and one；
Greasy filth water separation device, including knockout tower, oil guide groove and the electric air floating device that can generate microbubble, which consolidates
It is located on knockout tower around being open, which is equipped with separation water inlet, the mud discharging mouth for being located at separation tower bottom and separation water outlet
Mouthful, which is located in knockout tower, which connects cut-back tank, the microbubble which generates
The oil in slime water is driven to rise to the water surface, the oil of the water surface is skimmed by microbubble to handle recycling in oil guide groove, and mud landwaste sinks
It is down to knockout tower bottom and is sent to the centrifuge of dehydration device；
Dehydration device, the centrifuge of the mud discharging mouth including a connection greasy filth water separation device, the coagulation of a connection centrifuge
First physico-chemical precipitation clarifier of chemicals dosing plant and a connection coagulation dosing device；
Solidification equipment, the sludge condensation including a first physico-chemical precipitation clarifier of connection and a connection sludge condensation
Sludge filter press；
Sewage-treatment plant connects knockout tower and centrifuge.
Compared with background technology, it has the following advantages that the technical program：
Oil-cut mud landwaste is diluted into slime water, is separated from slime water fuel-displaced, is recycled the oil isolated, is precipitated down
The mud landwaste and the fuel-displaced sewage with after mud landwaste of separation come, is carried out dehydrating the mud landwaste to precipitate, takes off
The water gone out is sewage, cures the mud landwaste being dehydrated with energy recycling, handles oily mud-water separation step and dehydration
Sewage to discharge standard or can recycling, can oil recovery, mud landwaste energy recycling, water also can recycling, change give up into
Treasured has great social and economic significance, avoids environmental pollution.
First heating slime water realizes oily mud-water separation again, and good separating effect improves oil recovery rate, improves separative efficiency.
The dehydration includes centrifugal dehydration step, coagulation dosing step, physico-chemical precipitation clarification steps, sludge condensation step
Suddenly, sludge press filtration step can realize mud landwaste harmless resource utilization, water harmless resource utilization.
Sewage treatment step includes electric flocculation step, electrocatalytic oxidation step, physico-chemical precipitation clarification steps, can treated sewage
It is extremely innoxious, reach discharge standard, it is at low cost, avoid environmental pollution.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the schematic diagram of oil gas field oil-cut mud landwaste processing method.
Fig. 2 is the schematic diagram of oil gas field oil-cut mud landwaste processing equipment.
Specific embodiment
It refer to Fig. 1, oil gas field oil-cut mud landwaste processing method, including：
(1), dilution step, into oil-cut mud landwaste plus water is to dilute oil-cut mud landwaste into slime water, and stirs mud
Pulp-water is to being sufficiently stirred, to be allowed to uniform and smooth delivery of power to hypomere process.Wherein：Extension rate is general depending on slip consistency
For 2 to 10 times, i.e., mass ratio is 2-10 times.
(2), oily mud-water separation step, separates fuel-displaced from slime water, recycles the oil isolated, and obtains what is precipitated
Mud landwaste and the fuel-displaced sewage with after mud landwaste of separation；
(3), dehydration is carried out dehydrating the mud landwaste to precipitate, and the water of abjection is sewage；
(4), curing schedule cures the mud landwaste being dehydrated with energy recycling；
(5), sewage treatment step handles the sewage of oily mud-water separation step and dehydration to discharge standard or can resource
Change and utilize, oil-cut mud landwaste that part treated water is added in dilution step can be diluted oil-cut mud landwaste, a side
Face, part water recycle, and reduce discharge capacity outwardly, on the other hand, reduce the heating amount before oily mud-water separation.
Among one specific embodiment：The oil mud-water separation step includes：
(21), slime water is heated, preferably, which includes preheating and two steps of heating, the preheating step are such as：The sewage
The water of processing step output and the slime water that past knockout tower direction flows into after dilution step carry out heat exchange to preheat slime water,
To reduce energy consumption, cost is reduced；The heating stepses are the warmed-up slime water of heating；Preferably, it is heated to 60-95 degree.
(22), slime water flows into knockout tower, and the microbubble that the electric air floating device in knockout tower generates drives oil to rise to dirt
Water level, the oil of sewage level is skimmed by microbubble to be located on knockout tower in parameatal oil guide groove to handle recycling, mud
Landwaste is precipitated to separation tower bottom, and sewage is sent to sewage treatment step and is handled.
Among one specific embodiment：The dehydration includes：
(31), centrifugal dehydration step is dehydrated using centrifugation, the water of abjection for sewage be sent to sewage treatment step into
Row processing；
(32), coagulation dosing step adds in coagulation medicine into dewatered mud landwaste；
(33), physico-chemical precipitation clarification steps are added in into the mud landwaste after addition coagulation medicine in flocculant and coagulant
At least one, make its physico-chemical precipitation realize clarification, the flocculant such as iron hydroxide；
The curing schedule includes：
(41), sludge condensation step, the mud landwaste of concentration (33) physico-chemical precipitation clarification steps precipitation, concentration basin sludge are quiet
It is sewage to postpone the upper water isolated, and is sent to sewage treatment step and is handled, isolates upper water and realize concentration；
(42), sludge press filtration step, the press filtration generated using the mud landwaste after filter press filter press concentration into mud cake, press filtration
Water is sewage, is sent to sewage treatment step and is handled.
Among one specific embodiment：The sewage treatment step includes：
(51), electric flocculation step, sewage are admitted to electric flocculation container, and first electrode group is equipped in the electric flocculation container, the
One electrode group obtains electric energy, and OH ions are precipitated in electrolysis in sewage, and obtain electrode ion, sewage has both been made to generate degradation oxidation anti-
Should, and making OH ions and electrode ionization synthetic flocculant, flocculant occurs flocculation reaction with sewage and will be harmful in sewage
Substance flocculation is precipitated into wadding in case processing；
(52), electrocatalytic oxidation step generates electrocatalysis oxidation reaction, to generate OH ions, OH ion damageds and
It interrupts the macromolecular structure of nuisance in sewage and it is made to be degraded into small molecule, the degradation of small molecule nuisance is realized in oxide
It is innoxious；
(53), physico-chemical precipitation clarification steps add at least one of flocculant and coagulant in sewage, make water polluting matter
Change precipitation and realize clarification, the flocculant such as iron hydroxide.
Refer to Fig. 2, oil gas field oil-cut mud landwaste processing equipment, including dilution device 10, greasy filth water separation device 20,
It is defeated to be sent into the mud landwaste of mud landwaste to connect cut-back tank including a cut-back tank, one for dilution device 10
Go out input unit, one connection cut-back tank be installed in the agitating device of cut-back tank to add the water feed apparatus of new water and one, into
Water installations add water to dilute oil-cut mud landwaste into slime water；
Greasy filth water separation device 20, including knockout tower, oil guide groove and electric air floating device, which is installed on knockout tower
Around opening, which is equipped with separation water inlet, the mud discharging mouth for being located at separation tower bottom and separation water outlet, electric floating dress
It is set in knockout tower so that microbubble can be generated, which connects cut-back tank, micro- gas which generates
Bubble drives the oil in slime water to rise to the water surface, and the oil of the water surface is skimmed by microbubble in oil guide groove to handle recycling, mud landwaste
It is settled down to knockout tower bottom and is sent to the centrifuge of dehydration device；
Dehydration device 30, the centrifuge 31, one of the mud discharging mouth including a connection greasy filth water separation device connect centrifuge
Coagulation dosing device 32 and one connects the first physico-chemical precipitation clarifier 33 of coagulation dosing device；
Solidification equipment 40, including one connection the first physico-chemical precipitation clarifier sludge condensation 41 and one connection sludge it is dense
The sludge filter press 42 on contracting ground；
Sewage-treatment plant 50 connects knockout tower and centrifuge.
In one specific embodiment：The sewage-treatment plant 50 includes：
Electric flocculation device 51, including electric flocculation container and the second electrode group being located in electric flocculation container, electric flocculation container
Knockout tower and centrifuge are connected, second electrode group obtains electric energy, and OH ions are precipitated in electrolysis in liquid, and obtain electrode ion, both
Sewage is made to generate degradation oxidation reaction, and makes OH ions and electrode ionization synthetic flocculant, flocculant is wadded a quilt with cotton with sewage
It coagulates reaction and harmful substance in sewage is flocculated into wadding, and then precipitate in case processing；The structure of the electric flocculation device can refer to this
Applicant's earlier application《For the electric flocculation device and method of sewage disposal》.
Second physico-chemical precipitation clarifier 52 connects electric flocculation container；
Electrocatalysis oxidation apparatus 53, including process container and the electrocatalysis oxidation apparatus being located in process container, the processing
Container connect the second physico-chemical precipitation clarifier, the electrocatalysis oxidation apparatus generate electrocatalysis oxidation reaction, with generate OH from
Son, OH ion damageds and interrupts the macromolecular structure of nuisance in sewage and it is made to be degraded into small molecule, small molecule nuisance
Degradation is realized innoxious in oxide.
The first physico-chemical precipitation clarifier, including the first Fining vessel and the first chemicals dosing plant, first Fining vessel
Coagulation dosing device is connected, which connects the first Fining vessel can add in flocculant into the first Fining vessel
At least one of with coagulant, to realize precipitation clarification；As needed, further include one be located in the first Fining vessel the 3rd
Agitating device is realized by the 3rd agitating device and stirred.The second physico-chemical precipitation clarifier, including the second Fining vessel and
Two chemicals dosing plants, second Fining vessel connect electric flocculation container, and it is past with energy which connects the second Fining vessel
At least one of flocculant and coagulant are added in second Fining vessel, to realize precipitation clarification.As needed, one is further included
The second agitating device being located in the second Fining vessel is realized by the first agitating device and stirred.
20 concrete structure of greasy filth water separation device is such as：Including knockout tower, oil guide groove, electric air floating device and trapped fuel device,
The oil guide groove is installed on knockout tower the surrounding that is open, which is equipped with separation water inlet and separation water outlet, which fills
It is set in knockout tower so that microbubble can be generated, which flows into knockout tower, electric air floating device production by separating water inlet
Raw microbubble rises with the fine oily strain being blended in slime water and floats to liquid level, and the oil of liquid level is skimmed by microbubble in oil guide groove
To handle recycling, which connects cut-back tank.In concrete structure：The oil guide groove is installed on knockout tower the surrounding that is open
It is open with surrounding on knockout tower.Among the present embodiment：The oil guide groove as include one be fixed in ring wall around knockout tower tower body and
One periphery wall upwardly extended by ring wall outer peripheral edge forms oil guide groove, and periphery wall between knockout tower tower body, ring wall, the periphery wall
Upper port is located on the tower body upper port of knockout tower.Water is pumped to down by the moisture content that the oil of importing oil guide groove is taken out of by electric pump
One workshop section is pending (in sewage-treatment plant).The separation water inlet can be located at knockout tower wall middle part or including
Inlet tube, inlet tube it is supreme down be inserted into knockout tower in liquid in, feed liquor infratubal port be located at the liquid in tower liquid level it
Under.As needed, ventilation device is may also include, ventilation device is located at separation column so that gas to be accelerated to discharge.Wherein：Oil guide groove
Connect trapped fuel device, trapped fuel device that oil is located at into oil guide groove and flowing to outside equipment (such as bucket, tank, slot, pipe).According to need
Will, which is arranged to taper sedimentation face, in order to precipitate, to collect the mud landwaste to precipitate.The electricity
Air-floating apparatus including the electrical generating means of microbubble and helps floating gas microvesicle generators.
The electrocatalysis oxidation apparatus concrete structure is such as：Including process container and the electrocatalytic oxidation being located in process container makeup
It puts, which connects the second Fining vessel water outlet, which generates electrocatalysis oxidation reaction, with production
Raw .OH hydroxyl radical free radicals (OH ions) .OH hydroxyl radical free radicals destroy and interrupt the macromolecular structure of nuisance in sewage and make
It is degraded into small molecule, the degradation of small molecule nuisance realized in oxide it is innoxious, sewage is anti-by electrocatalytic oxidation
It should degrade to desired index, directly outer can arrange or add in cut-back tank.As needed, exhaust ventilator is may also include, it should
Exhaust ventilator is located at the top of process container, to realize ventilation, discharges the gas generated in reaction process.As needed, may be used also
Oil-drain pipe including discharging surface layer oil slick, the oil-drain pipe connect process container, and corresponding sewage level floats on liquid level with discharge
Oil slick.As needed, one or more groups of arranged in series can be set, liquid is made sequentially to pass through multigroup electrocatalysis oxidation apparatus.
First electrode group in the electric flocculation device includes two using electrode basket made of insoluble petal material, the electrode
Basket offers mesh, which can be conductively connected power positive cathode respectively, which can be electrolysed for placing as electrode
The electrode particle of ion；Wherein：The electrode basket obtains electric energy, and electrode particle electrolysis is electrode ion.
As needed, the water pump in conveyance conduit and connecting conveying pipe road is equipped between process container and cut-back tank, is used for
By process container, treated that water is transported to cut-back tank.
It may also include electric-control system, control connection greasy filth water separation device 20, centrifuge 31, coagulation dosing device 32, the
One physico-chemical precipitation clarifier 33, sludge filter press 42, electric flocculation device 51, the second physico-chemical precipitation clarifier 52 and electro-catalysis
Oxidation unit 53 is used to implement the automatic of the work such as stop of the slime water between each process unit, reaction time, pump drainage, ventilation
Control.
The above is only the utility model preferred embodiment, therefore cannot limit the utility model implementation according to this
It is new all should still to belong to this practicality for scope, i.e., the equivalent changes and modifications made according to the utility model patent scope and description
In the range of type covers.
Claims (1)
1. a kind of oil gas field oil-cut mud landwaste processing equipment, it is characterised in that：Including：
Dilution device connects the mud landwaste input-output device of cut-back tank including a cut-back tank, one, a connection dilution is held
Device is installed in the agitating device of cut-back tank to add the water feed apparatus of new water and one；
Greasy filth water separation device, including knockout tower, oil guide groove and the electric air floating device that can generate microbubble, which is installed in
Around being open on knockout tower, which is equipped with separation water inlet, the mud discharging mouth for being located at separation tower bottom and separation water outlet, should
Electric air floating device is located in knockout tower, which connects cut-back tank, and the microbubble which generates drives
Oil in slime water rises to the water surface, and the oil of the water surface is skimmed by microbubble to handle recycling in oil guide groove, and mud landwaste is settled down to
Knockout tower bottom and the centrifuge for being sent to dehydration device；
Dehydration device, the centrifuge of the mud discharging mouth including a connection greasy filth water separation device, the coagulation dosing of a connection centrifuge
First physico-chemical precipitation clarifier of device and a connection coagulation dosing device；
Solidification equipment, the dirt for connecting sludge condensation ground with one sludge condensation including a first physico-chemical precipitation clarifier of connection
Mud filter press；
Sewage-treatment plant connects knockout tower and centrifuge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720538671.2U CN207391223U (en) | 2017-05-16 | 2017-05-16 | A kind of oil gas field oil-cut mud landwaste processing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720538671.2U CN207391223U (en) | 2017-05-16 | 2017-05-16 | A kind of oil gas field oil-cut mud landwaste processing equipment |
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| CN207391223U true CN207391223U (en) | 2018-05-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107235617A (en) * | 2017-05-16 | 2017-10-10 | 方明环保科技(漳州)有限公司 | Oil gas field oil-cut mud landwaste processing method and equipment |
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- 2017-05-16 CN CN201720538671.2U patent/CN207391223U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107235617A (en) * | 2017-05-16 | 2017-10-10 | 方明环保科技(漳州)有限公司 | Oil gas field oil-cut mud landwaste processing method and equipment |
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